MadButterfly: src/graph_engine

annotate src/graph_engine_skia.cpp @ 495:9e36e06fcc18 Android_Skia

Include SkRegion.h for graph_engine_skia.cpp

author	Thinker K.F. Li <thinker@branda.to>
date	Thu, 26 Nov 2009 15:03:00 +0800
parents	d984a6672be7
children	6abc53f00792

rev	line source
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	1 /*! \page ge_layer Graphic Engine Layer
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	2 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	3 * Graphic Engine Layer is an abstract of graphic engine; likes Cairo
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	4 * and Skia. It provides portability for the rest of MadButterfly.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	5 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	6 * The basic stratage of interface of graphic engine layer is defined
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	7 * according purpose of MadButterfly. For example, MadButterfly wants
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	8 * a function that can clear a canvas, we define a clear function.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	9 * Never define a indirectly way to finish the function. Never define
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	10 * a way to finish the function for the reason that some engine
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	11 * require you to finish the task in that procedure. It avoids
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	12 * binding graphic engine layer with any behavior of a graphic engine,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	13 * and provides more compatible with other engines, to define
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	14 * interface of graphic engine layer according purpose of
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	15 * MadButterfly.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	16 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	17 * \section ge_mem Graphic Engine Layer Memory Management
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	18 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	19 * MadButterfly is responsible for management of objects and memory
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	20 * blocks returned by graphic engine layer, even for graphic engines
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	21 * that have management model. MadButterfly supposes memory blocks
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	22 * only be released when they are no more used. MadBufferfly is
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	23 * responsible for release them. So, even a graphic engine has
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	24 * reference count with objects, MadButterfly still keep a reference
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	25 * for every object returned by the engine until no one will use it.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	26 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	27 * \section ge_transform Transformation of Coordination System
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	28 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	29 * Points of pathes are transformed when it is added to the canvas
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	30 * with the transformation matrix at the time. So, changes of
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	31 * transformation matrix of an canvas will not affect points that had
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	32 * been added. It only affects points been added when the matrix is
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	33 * setted.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	34 */
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	35 #include <stdio.h>
479 9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	36 #include <SkCanvas.h>
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	37 #include <SkBitmap.h>
495 9e36e06fcc18 Include SkRegion.h for graph_engine_skia.cpp Thinker K.F. Li <thinker@branda.to> parents: 483 diff changeset	38 #include <SkRegion.h>
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	39 #include <SkShader.h>
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	40 #include <SkDevice.h>
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	41 #include <SkGradientShader.h>
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	42 #include <SkXfermode.h>
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	43 #include <SkColorFilter.h>
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	44
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	45 #define C_START extern "C" {
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	46 #define C_END }
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	47
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	48 C_START
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	49
468 ae784a86ba82 C++ instead of C to bridge to Skia Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 #include "mb_graph_engine_skia.h"
ae784a86ba82 C++ instead of C to bridge to Skia Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51 #include "mb_shapes.h"
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	52 #include "mb_img_ldr.h"
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	53
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	54 /*! \brief Source pattern
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	55 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	56 * For Skia, source pattern is SkShader with some decoration. Since
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	57 * SkShade will repeative tiling or extenting edge color, it can not
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	58 * stop tiling and extenting for fixed size bitmap. So, we need to
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	59 * translate mbe_paint() into a drawing of a rectangle.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	60 */
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	61 struct _mbe_pattern_t {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	62 SkShader *shader;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	63 int w, h;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	64 int has_size;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	65 co_aix matrix[6];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	66 };
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	67
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	68 struct _mbe_scaled_font_t {
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	69 struct _mb_font_face_t *face;
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 472 diff changeset	70 co_aix fnt_mtx[6];
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 472 diff changeset	71 co_aix ctm[6];
479 9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	72 };
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	73 struct _mbe_font_face_t {};
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	74 /*! \brief MadButterfly Graphic Engine Context.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	75 *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	76 * A context comprises source pattern, target surface, path,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	77 * line-width, and transform matrix.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	78 */
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	79 struct _mbe_t {
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	80 SkCanvas *canvas;
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	81 SkPath path, subpath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	82 SkPaint *paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	83 SkRegion *saved_region;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	84
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	85 struct _mbe_states_t *states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	86 };
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	87
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	88 struct _mbe_states_t {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	89 mbe_pattern_t *ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	90 int ptn_owned;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	91 co_aix line_width;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	92 co_aix matrix[6];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	93 struct _mbe_states_t *next;
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 468 diff changeset	94 };
468 ae784a86ba82 C++ instead of C to bridge to Skia Thinker K.F. Li <thinker@branda.to> parents: diff changeset	95
ae784a86ba82 C++ instead of C to bridge to Skia Thinker K.F. Li <thinker@branda.to> parents: diff changeset	96 #ifndef ASSERT
ae784a86ba82 C++ instead of C to bridge to Skia Thinker K.F. Li <thinker@branda.to> parents: diff changeset	97 #define ASSERT(x)
ae784a86ba82 C++ instead of C to bridge to Skia Thinker K.F. Li <thinker@branda.to> parents: diff changeset	98 #endif
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	99
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	100 #define PI 3.1415926535897931
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	101
483 d984a6672be7 Fix bug of translate between co_aix and SkScalar. Thinker K.F. Li <thinker@branda.to> parents: 482 diff changeset	102 #define CO_AIX_2_SKSCALAR(a) ((SkScalar)a)
d984a6672be7 Fix bug of translate between co_aix and SkScalar. Thinker K.F. Li <thinker@branda.to> parents: 482 diff changeset	103 #define SKSCALAR_2_CO_AIX(a) ((co_aix)(a))
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	104 #define MB_MATRIX_2_SKMATRIX(sk, mb) { \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	105 (sk).setScaleX(CO_AIX_2_SKSCALAR((mb)[0])); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	106 (sk).setSkewX(CO_AIX_2_SKSCALAR((mb)[1])); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	107 (sk).setTranslateX(CO_AIX_2_SKSCALAR((mb)[2])); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	108 (sk).setSkewY(CO_AIX_2_SKSCALAR((mb)[3])); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	109 (sk).setScaleY(CO_AIX_2_SKSCALAR((mb)[4])); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	110 (sk).setTranslateY(CO_AIX_2_SKSCALAR((mb)[5])); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	111 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	112 #define SKMATRIX_2_MB_MATRIX(mb, sk) { \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	113 (mb)[0] = SKSCALAR_2_CO_AIX((sk).getScaleX()); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	114 (mb)[1] = SKSCALAR_2_CO_AIX((sk).getSkewX()); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	115 (mb)[2] = SKSCALAR_2_CO_AIX((sk).getTranslateX()); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	116 (mb)[3] = SKSCALAR_2_CO_AIX((sk).getSkewY()); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	117 (mb)[4] = SKSCALAR_2_CO_AIX((sk).getScaleY()); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	118 (mb)[5] = SKSCALAR_2_CO_AIX((sk).getTranslateY()); \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	119 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	120 #define MBSTOP_2_SKCOLOR(c) \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	121 ((((int)((c)->a * 255)) << 24) \| \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	122 (((int)((c)->r * 255)) << 16) \| \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	123 (((int)((c)->g * 255)) << 8) \| \
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	124 (((int)((c)->b * 255))))
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	125
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	126 static const co_aix id_matrix[6] = { 1, 0, 0, 0, 1, 0 };
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	127
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	128 static void
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	129 _prepare_sized_pattern(mbe_t mbe, mbe_pattern_t ptn) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	130 SkCanvas *canvas = mbe->canvas;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	131 SkPath path;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	132 co_aix x, y;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	133 co_aix reverse[6];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	134
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	135 *mbe->saved_region = canvas->getTotalClip();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	136
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	137 compute_reverse(ptn->matrix, reverse);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	138 x = 0; y = 0;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	139 matrix_trans_pos(reverse, &x, &y);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	140 path.moveTo(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	141 x = 0; y = ptn->h;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	142 matrix_trans_pos(reverse, &x, &y);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	143 path.moveTo(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	144 x = ptn->w; y = ptn->h;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	145 matrix_trans_pos(reverse, &x, &y);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	146 path.moveTo(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	147 path.close();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	148
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	149 canvas->clipPath(path, SkRegion::kIntersect_Op);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	150 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	151
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	152 static void
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	153 _finish_sized_pattern(mbe_t *mbe) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	154 SkCanvas *canvas = mbe->canvas;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	155
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	156 canvas->setClipRegion(*mbe->saved_region);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	157 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	158
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	159 static void
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	160 _canvas_device_region(SkCanvas canvas, SkRegion region) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	161 SkDevice *device;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	162 int w, h;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	163
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	164 device = canvas->getDevice();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	165 w = device->width();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	166 h = device->height();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	167 region->setRect(0, 0, w, h);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	168 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	169
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	170 static void
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	171 _update_path(mbe_t *mbe) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	172 SkPath *path = mbe->path;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	173 SkPath *subpath = mbe->subpath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	174 SkMatrix canvas_matrix;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	175 SkPoint point;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	176
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	177 MB_MATRIX_2_SKMATRIX(canvas_matrix, mbe->states->matrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	178 path->addPath(*subpath, canvas_matrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	179
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	180 subpath->getLastPt(&point);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	181 subpath->rewind();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	182 subpath->moveTo(point);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	183 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	184
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	185 /*
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	186 * When a function want to use the paint associated with a canvas to
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	187 * draw, it should call _prepare_paint() can make the paint ready.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	188 * And, call _finish_paint() when the paint is no more used.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	189 */
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	190 static void
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	191 _prepare_paint(mbe_t *mbe, SkPaint::Style style) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	192 SkPaint *paint = mbe->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	193 mbe_pattern_t *ptn = mbe->states->ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	194 SkShader *shader = ptn->shader;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	195 co_aix matrix[6];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	196 SkMatrix skmatrix;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	197
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	198 paint->setStyle(style);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	199
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	200 /* Local matrix of SkShader is a mapping from source pattern to
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	201 * user space. Unlikely, for Cairo is a mapping from user space
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	202 * to source pattern.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	203 */
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	204 matrix_mul(mbe->states->matrix, ptn->matrix, matrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	205 MB_MATRIX_2_SKMATRIX(skmatrix, matrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	206 shader->setLocalMatrix(skmatrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	207 paint->setShader(shader);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	208
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	209 if(style == SkPaint::kStroke_Style)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	210 paint->setStrokeWidth(CO_AIX_2_SKSCALAR(mbe->states->line_width));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	211
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	212 if(ptn->has_size)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	213 _prepare_sized_pattern(mbe, ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	214 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	215
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	216 static void
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	217 _finish_paint(mbe_t *mbe) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	218 mbe_pattern_t *ptn = mbe->states->ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	219
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	220 mbe->paint->reset();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	221 if(ptn->has_size)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	222 _finish_sized_pattern(mbe);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	223 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	224
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	225 mbe_pattern_t mbe_pattern_create_for_surface(mbe_surface_t surface) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	226 mbe_pattern_t *ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	227 SkBitmap bitmap = (SkBitmap )surface;
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	228
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	229 ptn = (mbe_pattern_t *)malloc(sizeof(mbe_pattern_t));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	230 ptn->shader = SkShader::CreateBitmapShader(*bitmap,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	231 SkShader::kClamp_TileMode,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	232 SkShader::kClamp_TileMode);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	233 if(ptn->shader == NULL) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	234 free(ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	235 return NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	236 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	237
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	238 ptn->has_size = 1;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	239 ptn->w = bitmap->width();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	240 ptn->h = bitmap->height();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	241
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	242 memcpy(ptn->matrix, id_matrix, sizeof(co_aix) * 6);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	243
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	244 return ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	245 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	246
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	247 mbe_pattern_t *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	248 mbe_pattern_create_radial(co_aix cx0, co_aix cy0, co_aix radius0,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	249 co_aix cx1, co_aix cy1, co_aix radius1,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	250 grad_stop_t *stops, int stop_cnt) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	251 mbe_pattern_t *ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	252 SkColor *colors;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	253 SkScalar *poses;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	254 grad_stop_t *stop;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	255 SkPoint center;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	256 int i;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	257
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	258 ptn = (mbe_pattern_t *)malloc(sizeof(mbe_pattern_t));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	259 colors = new SkColor[stop_cnt];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	260 poses = new SkScalar[stop_cnt];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	261 if(ptn == NULL \|\| colors == NULL \|\| poses == NULL)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	262 goto fail;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	263
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	264 center.set(CO_AIX_2_SKSCALAR(cx1), CO_AIX_2_SKSCALAR(cy1));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	265
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	266 stop = stops;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	267 for(i = 0; i < stop_cnt; i++) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	268 colors[i] = MBSTOP_2_SKCOLOR(stop);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	269 poses[i] = CO_AIX_2_SKSCALAR(stop->offset);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	270 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	271
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	272 /*
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	273 * cx0, cy0 and radius0 is not used. Since Skia is still not
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	274 * support two circles radial. And, SVG 1.2 is also not support
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	275 * two circles.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	276 */
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	277 ptn->shader =
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	278 SkGradientShader::CreateRadial(center, CO_AIX_2_SKSCALAR(radius1),
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	279 colors, poses, stop_cnt,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	280 SkShader::kClamp_TileMode);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	281 if(ptn->shader == NULL)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	282 goto fail;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	283
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	284 memcpy(ptn->matrix, id_matrix, sizeof(co_aix) * 6);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	285
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	286 delete colors;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	287 delete poses;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	288 return ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	289
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	290 fail:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	291 if(ptn) free(ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	292 if(colors) delete colors;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	293 if(poses) delete poses;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	294 return NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	295 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	296
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	297 mbe_pattern_t *
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	298 mbe_pattern_create_linear(co_aix x0, co_aix y0,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	299 co_aix x1, co_aix y1,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	300 grad_stop_t *stops, int stop_cnt) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	301 mbe_pattern_t *ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	302 SkColor *colors;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	303 SkScalar *poses;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	304 grad_stop_t *stop;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	305 SkPoint points[2];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	306 int i;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	307
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	308 ptn = (mbe_pattern_t *)malloc(sizeof(mbe_pattern_t));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	309 colors = new SkColor[stop_cnt];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	310 poses = new SkScalar[stop_cnt];
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	311 if(ptn == NULL \|\| colors == NULL \|\| poses == NULL)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	312 goto fail;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	313
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	314 points[0].set(CO_AIX_2_SKSCALAR(x0), CO_AIX_2_SKSCALAR(y0));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	315 points[1].set(CO_AIX_2_SKSCALAR(x1), CO_AIX_2_SKSCALAR(y1));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	316
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	317 stop = stops;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	318 for(i = 0; i < stop_cnt; i++) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	319 colors[i] = MBSTOP_2_SKCOLOR(stop);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	320 poses[i] = CO_AIX_2_SKSCALAR(stop->offset);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	321 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	322
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	323 /*
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	324 * cx0, cy0 and radius0 is not used. Since Skia is still not
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	325 * support two circles radial. And, SVG 1.2 is also not support
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	326 * two circles.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	327 */
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	328 ptn->shader =
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	329 SkGradientShader::CreateLinear(points, colors, poses, stop_cnt,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	330 SkShader::kClamp_TileMode);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	331 if(ptn->shader == NULL)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	332 goto fail;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	333
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	334 memcpy(ptn->matrix, id_matrix, sizeof(co_aix) * 6);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	335
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	336 delete colors;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	337 delete poses;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	338 return ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	339
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	340 fail:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	341 if(ptn) free(ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	342 if(colors) delete colors;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	343 if(poses) delete poses;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	344 return NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	345 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	346
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	347 void mbe_pattern_set_matrix(mbe_pattern_t *ptn, const co_aix matrix[6]) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	348 SkMatrix skmatrix;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	349
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	350 MB_MATRIX_2_SKMATRIX(skmatrix, matrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	351
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	352 ptn->shader->setLocalMatrix(skmatrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	353 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	354
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	355 void mbe_pattern_destroy(mbe_pattern_t *ptn) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	356 if(ptn->shader)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	357 delete ptn->shader;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	358 free(ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	359 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	360
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	361 int mbe_image_surface_get_stride(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	362 return ((SkBitmap *)surface)->rowBytes();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	363 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	364
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	365 int mbe_image_surface_get_height(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	366 return ((SkBitmap *)surface)->height();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	367 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	368
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	369 int mbe_image_surface_get_width(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	370 return ((SkBitmap *)surface)->width();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	371 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	372
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	373 unsigned char mbe_image_surface_get_data(mbe_surface_t surface) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	374 return (unsigned char )((SkBitmap )surface)->getPixels();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	375 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	376
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	377 mbe_surface_t mbe_image_surface_create_from_png(const char filename) {}
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	378
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	379 mbe_surface_t *
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	380 mbe_image_surface_create_for_data(unsigned char *data,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	381 mb_img_fmt_t fmt,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	382 int width, int height,
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	383 int stride) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	384 SkBitmap *bitmap;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	385 SkBitmap::Config cfg;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	386
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	387 switch(fmt) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	388 case MB_IFMT_ARGB32:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	389 cfg = SkBitmap::kARGB_8888_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	390
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	391 case MB_IFMT_A8:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	392 cfg = SkBitmap::kA8_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	393
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	394 case MB_IFMT_A1:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	395 cfg = SkBitmap::kA1_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	396
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	397 case MB_IFMT_RGB16_565:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	398 cfg = SkBitmap::kRGB_565_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	399
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	400 case MB_IFMT_RGB24:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	401 default:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	402 return NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	403 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	404
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	405 bitmap = new SkBitmap();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	406 if(bitmap == NULL)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	407 return NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	408
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	409 bitmap->setConfig(cfg, width, height, stride);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	410 bitmap->setPixels(data);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	411
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	412 return (mbe_surface_t *)bitmap;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	413 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	414
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	415 mb_img_fmt_t mbe_image_surface_get_format(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	416 SkBitmap bitmap = (SkBitmap )surface;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	417 mb_img_fmt_t fmt;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	418 SkBitmap::Config cfg;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	419
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	420 cfg = bitmap->getConfig();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	421 switch(cfg) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	422 case SkBitmap::kARGB_8888_Config:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	423 fmt = MB_IFMT_ARGB32; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	424
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	425 case SkBitmap::kA8_Config:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	426 fmt = MB_IFMT_A8; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	427
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	428 case SkBitmap::kA1_Config:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	429 fmt = MB_IFMT_A1; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	430
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	431 case SkBitmap::kRGB_565_Config:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	432 fmt = MB_IFMT_RGB16_565; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	433
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	434 default:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	435 fmt = MB_IFMT_DUMMY;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	436 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	437
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	438 return fmt;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	439 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	440
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	441 mbe_surface_t *
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	442 mbe_image_surface_create(mb_img_fmt_t fmt, int width, int height) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	443 SkBitmap *bitmap;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	444 SkBitmap::Config cfg;
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	445
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	446 switch(fmt) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	447 case MB_IFMT_ARGB32:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	448 cfg = SkBitmap::kARGB_8888_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	449
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	450 case MB_IFMT_A8:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	451 cfg = SkBitmap::kA8_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	452
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	453 case MB_IFMT_A1:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	454 cfg = SkBitmap::kA1_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	455
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	456 case MB_IFMT_RGB16_565:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	457 cfg = SkBitmap::kRGB_565_Config; break;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	458
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	459 case MB_IFMT_RGB24:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	460 default:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	461 return NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	462 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	463
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	464 bitmap = new SkBitmap();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	465 if(bitmap == NULL)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	466 return NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	467
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	468 bitmap->setConfig(cfg, width, height);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	469 bitmap->allocPixels();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	470
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	471 return (mbe_surface_t *)bitmap;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	472 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	473
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	474 mbe_scaled_font_t mbe_scaled_font_reference(mbe_scaled_font_t scaled) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	475 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	476
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	477 void mbe_scaled_font_destroy(mbe_scaled_font_t *scaled) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	478 mbe_font_face_t mbe_font_face_reference(mbe_font_face_t face) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	479 mbe_scaled_font_t *
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 472 diff changeset	480 mbe_scaled_font_create(mbe_font_face_t *face, co_aix fnt_mtx[6],
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 472 diff changeset	481 co_aix ctm[6]) {}
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	482 mbe_scaled_font_t mbe_get_scaled_font(mbe_t canvas) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	483 void mbe_scaled_font_text_extents(mbe_scaled_font_t *scaled,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	484 const char *txt,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	485 mbe_text_extents_t *extents) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	486
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	487 void mbe_font_face_destroy(mbe_font_face_t *face) {}
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	488
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	489 void mbe_paint_with_alpha(mbe_t *canvas, co_aix alpha) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	490 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	491 SkColorFilter *filter;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	492 SkColor color;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	493
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	494 color = ((uint32_t)(alpha * 255)) << 24;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	495 filter =
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	496 SkColorFilter::CreatePorterDuffFilter(color,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	497 SkPorterDuff::kSrcOver_Mode);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	498 mbe_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	499
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	500 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	501
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	502 void mbe_surface_destroy(mbe_surface_t *surface) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	503 void mbe_set_source_rgba(mbe_t *canvas,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	504 co_aix r, co_aix g, co_aix b, co_aix a) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	505 void mbe_set_scaled_font(mbe_t *canvas,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	506 const mbe_scaled_font_t *scaled) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	507 void mbe_set_source_rgb(mbe_t *canvas, co_aix r, co_aix g, co_aix b) {}
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	508
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	509 void mbe_set_line_width(mbe_t *canvas, co_aix width) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	510 canvas->states->line_width = width;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	511 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	512
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	513 mbe_font_face_t mbe_get_font_face(mbe_t canvas) {}
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	514
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	515 void mbe_fill_preserve(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	516 mbe_pattern_t *ptn = canvas->states->ptn;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	517 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	518 SkPath *path = canvas->path;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	519 SkRegion *saved_clip = NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	520 co_aix x, y;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	521
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	522 ASSERT(paint);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	523 ASSERT(ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	524 ASSERT(path);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	525
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	526 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	527 _update_path(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	528
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	529 _prepare_paint(canvas, SkPaint::kFill_Style);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	530
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	531 canvas->canvas->drawPath(path, paint);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	532
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	533 _finish_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	534 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	535
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	536 void mbe_set_source(mbe_t canvas, mbe_pattern_t source) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	537 canvas->states->ptn = source;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	538 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	539
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	540 void mbe_reset_clip(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	541 SkRegion clip;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	542
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	543 _canvas_device_region(canvas->canvas, &clip);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	544 canvas->canvas->setClipRegion(clip);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	545 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	546
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	547 mbe_surface_t mbe_get_target(mbe_t canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	548 return (mbe_surface_t *)&canvas->canvas->getDevice()->accessBitmap(false);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	549 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	550
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	551 void mbe_close_path(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	552 canvas->subpath->close();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	553 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	554
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	555 void mbe_text_path(mbe_t canvas, const char txt) {}
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	556
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	557 void mbe_rectangle(mbe_t *canvas, co_aix x, co_aix y,
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	558 co_aix width, co_aix height) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	559 SkPath *subpath = canvas->subpath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	560
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	561 subpath->addRect(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y),
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	562 CO_AIX_2_SKSCALAR(x + width),
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	563 CO_AIX_2_SKSCALAR(y + height));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	564 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	565
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	566 int mbe_in_stroke(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	567 return 0;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	568 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	569
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	570 void mbe_new_path(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	571 canvas->subpath->reset();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	572 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	573
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	574 void mbe_curve_to(mbe_t *canvas, co_aix x1, co_aix y1,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	575 co_aix x2, co_aix y2,
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	576 co_aix x3, co_aix y3) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	577 SkPath *subpath = canvas->subpath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	578
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	579 subpath->cubicTo(CO_AIX_2_SKSCALAR(x1), CO_AIX_2_SKSCALAR(y1),
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	580 CO_AIX_2_SKSCALAR(x2), CO_AIX_2_SKSCALAR(y2),
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	581 CO_AIX_2_SKSCALAR(x3), CO_AIX_2_SKSCALAR(y3));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	582 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	583
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	584 void mbe_restore(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	585 struct _mbe_states_t *states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	586
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	587 _update_path(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	588
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	589 states = canvas->states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	590 ASSERT(states->next);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	591 canvas->states = states->next;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	592 free(states);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	593 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	594
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	595 void mbe_move_to(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	596 canvas->subpath->moveTo(CO_AIX_2_SKSCALAR(x),
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	597 CO_AIX_2_SKSCALAR(y));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	598 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	599
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	600 void mbe_line_to(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	601 canvas->subpath->lineTo(CO_AIX_2_SKSCALAR(x),
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	602 CO_AIX_2_SKSCALAR(y));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	603 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	604
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	605 int mbe_in_fill(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	606 SkRegion region, dev_region;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	607 bool in_fill;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	608
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	609 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	610 _update_path(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	611
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	612 _canvas_device_region(canvas->canvas, &dev_region);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	613 region.setPath(*canvas->path, dev_region);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	614
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	615 in_fill = region.contains(x, y);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	616
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	617 return in_fill;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	618 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	619
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	620 void mbe_stroke(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	621 SkPath *path = canvas->path;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	622 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	623
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	624 ASSERT(ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	625 ASSERT(path);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	626 ASSERT(paint);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	627
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	628 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	629 _update_path(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	630
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	631 _prepare_paint(canvas, SkPaint::kStroke_Style);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	632
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	633 canvas->canvas->drawPath(path, paint);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	634
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	635 _finish_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	636
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	637 path->reset();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	638 }
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	639
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	640 mbe_t mbe_create(mbe_surface_t target) {
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	641 mbe_t *mbe;
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	642 struct _mbe_states_t *states;
479 9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	643 SkBitmap bitmap = (SkBitmap )target;
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	644
479 9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	645 mbe = (mbe_t *)malloc(sizeof(mbe_t));
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	646 if(mbe == NULL)
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	647 return NULL;
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	648
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	649 mbe->states = (struct _mbe_states_t *)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	650 malloc(sizeof(struct _mbe_states_t));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	651 states = mbe->states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	652 if(states == NULL) {
479 9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	653 free(mbe);
9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	654 return NULL;
9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	655 }
9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	656
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	657 mbe->canvas = new SkCanvas(*bitmap);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	658 mbe->path = new SkPath();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	659 mbe->subpath = new SkPath();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	660 mbe->saved_region = new SkRegion();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	661 mbe->paint = new SkPaint();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	662 states->ptn = NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	663 states->ptn_owned = 0;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	664 states->line_width = 0;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	665 states->next = NULL;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	666
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	667 if(mbe->canvas == NULL \|\| mbe->path == NULL \|\|
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	668 mbe->subpath == NULL \|\| mbe->paint == NULL \|\|
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	669 mbe->saved_region == NULL)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	670 goto fail;
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	671
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	672 memcpy(states->matrix, id_matrix, sizeof(co_aix) * 6);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	673
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	674 return mbe;
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	675
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	676 fail:
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	677 if(mbe->canvas) delete mbe->canvas;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	678 if(mbe->path) delete mbe->path;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	679 if(mbe->subpath) delete mbe->subpath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	680 if(mbe->paint) delete mbe->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	681 if(mbe->saved_region) delete mbe->saved_region;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	682 free(states);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	683 free(mbe);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	684
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	685 return NULL;
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	686 }
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	687
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	688 void mbe_destroy(mbe_t *canvas) {
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	689 struct _mbe_states_t *states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	690
479 9a867333018b mbe_create() and mbe_destroy() pass the compilation. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	691 delete canvas->canvas;
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	692 delete canvas->path;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	693 delete canvas->subpath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	694 delete canvas->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	695 delete canvas->saved_region;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	696 while(canvas->states) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	697 states = canvas->states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	698 canvas->states = states->next;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	699
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	700 if(states->ptn && states->ptn_owned)
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	701 mbe_pattern_destroy(states->ptn);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	702 free(states);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	703 }
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	704 free(canvas);
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	705 }
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	706
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	707 void mbe_paint(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	708 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	709
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	710 ASSERT(paint);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	711
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	712 _prepare_paint(canvas, SkPaint::kFill_Style);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	713
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	714 canvas->canvas->drawPaint(*paint);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	715
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	716 _finish_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	717 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	718
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	719 void mbe_save(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	720 struct _mbe_states_t *states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	721
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	722 states = (struct _mbe_states_t *)malloc(sizeof(struct _mbe_states_t));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	723 ASSERT(states);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	724
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	725 memcpy(states, canvas->states, sizeof(struct _mbe_states_t));
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	726 states->next = canvas->states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	727 canvas->states = states;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	728 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	729
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	730 void mbe_fill(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	731 mbe_fill_preserve(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	732 canvas->path->reset();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	733 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	734
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	735 void mbe_clip(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	736 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	737 _update_path(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	738
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	739 canvas->canvas->clipPath(*canvas->path, SkRegion::kIntersect_Op);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	740 canvas->path->reset();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	741 }
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	742
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	743 mbe_font_face_t * mbe_query_font_face(const char *family,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	744 int slant, int weight) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	745 void mbe_free_font_face(mbe_font_face_t *face) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	746
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	747 void mbe_clear(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	748 SkColor color = 0;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	749
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	750 canvas->canvas->drawColor(color, SkPorterDuff::kClear_Mode);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	751 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	752
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	753 void mbe_copy_source(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	754 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	755 SkXfermode *mode;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	756
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	757 _prepare_paint(canvas, SkPaint::kFill_Style);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	758 mode = SkPorterDuff::CreateXfermode(SkPorterDuff::kSrc_Mode);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	759 paint->setXfermode(mode);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	760 mode->unref();
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	761
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	762 canvas->canvas->drawPaint(*paint);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	763
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	764 _finish_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	765 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	766
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	767 void mbe_transform(mbe_t *mbe, co_aix matrix[6]) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	768 _update_path(mbe);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	769
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	770 matrix_mul(matrix, mbe->states->matrix, mbe->states->matrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	771 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	772
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	773 void mbe_arc(mbe_t *mbe, co_aix x, co_aix y, co_aix radius,
482 d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	774 co_aix angle_start, co_aix angle_stop) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	775 SkPoint point;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	776 SkPath *subpath = mbe->subpath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	777 SkRect rect;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	778 SkScalar x0, y0;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	779 SkScalar ang_start, ang_stop;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	780 SkScalar sweep;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	781 SkScalar r; /* radius */
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	782
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	783 subpath->getLastPt(&point);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	784 x0 = point.fX;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	785 y0 = point.fX;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	786 r = CO_AIX_2_SKSCALAR(radius);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	787 ang_start = CO_AIX_2_SKSCALAR(angle_start * 180 / PI);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	788 ang_stop = CO_AIX_2_SKSCALAR(angle_stop * 180 / PI);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	789
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	790 /* Skia can only draw an arc in clockwise directly. We negative
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	791 * start and stop point to draw the arc in the mirror along x-axis
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	792 * in a sub-path. Then, the sub-path are reflected along x-axis,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	793 * again. We get a right path, and add it to the path of mbe_t.
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	794 */
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	795 if(ang_start > ang_stop) {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	796 SkPath tmppath;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	797 SkMatrix matrix;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	798 co_aix reflect[6] = { 1, 0, 0,
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	799 0, -1, 0};
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	800
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	801 rect.set(-r, -r, r, r);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	802 sweep = ang_start - ang_stop;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	803 tmppath.arcTo(rect, -ang_start, sweep, false);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	804
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	805 reflect[2] = x;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	806 reflect[5] = y;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	807 MB_MATRIX_2_SKMATRIX(matrix, reflect);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	808 subpath->addPath(tmppath, matrix);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	809 } else {
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	810 rect.set(x0 - r, y0 - r, x0 + r, y0 + r);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	811 sweep = ang_stop - ang_start;
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	812 subpath->arcTo(rect, ang_start, sweep, false);
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	813 }
d38aca825822 Import more functions for Skia graphic engine. Thinker K.F. Li <thinker@branda.to> parents: 479 diff changeset	814 }
472 4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	815
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	816
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	817 C_END

Mercurial > MadButterfly

annotate src/graph_engine_skia.cpp @ 495:9e36e06fcc18 Android_Skia