MadButterfly: include/mb_graph_engine

annotate include/mb_graph_engine_cairo.h @ 630:bd18951b51d5 openvg

Add initial code for graphic engines

author	Thinker K.F. Li <thinker@branda.to>
date	Mon, 19 Jul 2010 15:44:49 +0800
parents	39d27911c3ae
children	7b4e80ab671a

rev	line source
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 #ifndef __MB_GE_CAIRO_H_
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	2 #define __MB_GE_CAIRO_H_
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	4 #include <stdio.h>
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5 #include <cairo.h>
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	6 #include <cairo-xlib.h>
480 e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	7 #include "mb_basic_types.h"
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	8 #include "mb_img_ldr.h"
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	9
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	10 /*! \defgroup mb_ge_cairo MadButterfly Graphic Engine with Cairo
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	11 * @{
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	12 */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13 #define mbe_pattern_create_for_surface cairo_pattern_create_for_surface
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 #define mbe_scaled_font_text_extents cairo_scaled_font_text_extents
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	15 #define mbe_image_surface_get_stride cairo_image_surface_get_stride
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	16 #define mbe_image_surface_get_height cairo_image_surface_get_height
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17 #define mbe_image_surface_get_width cairo_image_surface_get_width
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	18 #define mbe_image_surface_get_data cairo_image_surface_get_data
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	19 #define mbe_scaled_font_reference cairo_scaled_font_reference
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	20 #define mbe_xlib_surface_create cairo_xlib_surface_create
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	21 #define mbe_scaled_font_destroy cairo_scaled_font_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	22 #define mbe_font_face_reference cairo_font_face_reference
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23 #define mbe_font_face_destroy cairo_font_face_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24 #define mbe_paint_with_alpha cairo_paint_with_alpha
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	25 #define mbe_surface_destroy cairo_surface_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 #define mbe_set_source_rgba cairo_set_source_rgba
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	27 #define mbe_set_scaled_font cairo_set_scaled_font
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28 #define mbe_pattern_destroy cairo_pattern_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 #define mbe_get_scaled_font cairo_get_scaled_font
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	30 #define mbe_set_source_rgb cairo_set_source_rgb
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 #define mbe_set_line_width cairo_set_line_width
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	32 #define mbe_get_font_face cairo_get_font_face
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 #define mbe_fill_preserve cairo_fill_preserve
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 #define mbe_set_source cairo_set_source
586 b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 512 diff changeset	35 #define mbe_reset_scissoring cairo_reset_clip
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 #define mbe_get_target cairo_get_target
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37 #define mbe_close_path cairo_close_path
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38 #define mbe_text_path cairo_text_path
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 #define mbe_rectangle cairo_rectangle
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40 #define mbe_in_stroke cairo_in_stroke
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	41 #define mbe_new_path cairo_new_path
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	42 #define mbe_curve_to cairo_curve_to
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 #define mbe_restore cairo_restore
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44 #define mbe_move_to cairo_move_to
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45 #define mbe_line_to cairo_line_to
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46 #define mbe_in_fill cairo_in_fill
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 #define mbe_destroy cairo_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48 #define mbe_stroke cairo_stroke
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 #define mbe_create cairo_create
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 #define mbe_paint cairo_paint
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51 #define mbe_save cairo_save
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52 #define mbe_fill cairo_fill
630 bd18951b51d5 Add initial code for graphic engines Thinker K.F. Li <thinker@branda.to> parents: 603 diff changeset	53 #define mbe_init()
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55 typedef cairo_text_extents_t mbe_text_extents_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 typedef cairo_scaled_font_t mbe_scaled_font_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 typedef cairo_font_face_t mbe_font_face_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	58 typedef cairo_surface_t mbe_surface_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	59 typedef cairo_pattern_t mbe_pattern_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	60 typedef cairo_t mbe_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	61
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	62 #define MB_MATRIX_2_CAIRO(cmtx, mtx) { \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	63 (cmtx).xx = (mtx)[0]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	64 (cmtx).xy = (mtx)[1]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	65 (cmtx).x0 = (mtx)[2]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	66 (cmtx).yx = (mtx)[3]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	67 (cmtx).yy = (mtx)[4]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	68 (cmtx).y0 = (mtx)[5]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	69 }
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	70
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	71
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72 extern mbe_font_face_t * mbe_query_font_face(const char *family,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	73 int slant, int weight);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	74 extern void mbe_free_font_face(mbe_font_face_t *face);
480 e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	75 extern mbe_pattern_t *mbe_pattern_create_radial(co_aix cx0, co_aix cy0,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	76 co_aix radius0,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	77 co_aix cx1, co_aix cy1,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	78 co_aix radius1,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	79 grad_stop_t *stops,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	80 int stop_cnt);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	81 extern mbe_pattern_t *mbe_pattern_create_linear(co_aix x0, co_aix y0,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	82 co_aix x1, co_aix y1,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	83 grad_stop_t *stops,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	84 int stop_cnt);
602 ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 599 diff changeset	85 extern mbe_pattern_t mbe_pattern_create_image(mb_img_data_t img);
586 b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 512 diff changeset	86 extern void mbe_scissoring(mbe_t canvas, int n_areas, area_t *areas);
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	87
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	88
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	89 static void mbe_pattern_set_matrix(mbe_pattern_t *ptn,
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	90 const co_aix matrix[6]) {
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	91 cairo_matrix_t cmtx;
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	92
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	93 MB_MATRIX_2_CAIRO(cmtx, matrix);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	94 cairo_pattern_set_matrix(ptn, &cmtx);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	95 }
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	96
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	97 static void mbe_clear(mbe_t *canvas) {
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	98 cairo_operator_t old_op;
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	99
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	100 old_op = cairo_get_operator(canvas);
481 273307d061b7 imported patch typo_cairo.diff Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	101 cairo_set_operator(canvas, CAIRO_OPERATOR_CLEAR);
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	102 cairo_paint(canvas);
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	103 cairo_set_operator(canvas, old_op);
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	104 }
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	105
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	106 static void mbe_copy_source(mbe_t src, mbe_t dst) {
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	107 cairo_operator_t saved_op;
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	108 cairo_surface_t *surf;
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	109 cairo_pattern_t *ptn;
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	110
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	111 surf = cairo_get_target(src);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	112 ptn = cairo_pattern_create_for_surface(surf);
594 d416e1fff71a Fix bug of mbe_copy_source() of cairo. Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	113 cairo_set_source(dst, ptn);
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	114 cairo_pattern_destroy(ptn);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	115 saved_op = cairo_get_operator(dst);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	116 cairo_set_operator(dst, CAIRO_OPERATOR_SOURCE);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	117 cairo_paint(dst);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	118 cairo_set_operator(dst, saved_op);
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	119 }
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	120
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	121 static mbe_scaled_font_t *
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	122 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: 471 diff changeset	123 co_aix ctm[6]) {
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	124 cairo_font_options_t *options;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	125 mbe_scaled_font_t *scaled;
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	126 cairo_matrix_t cfnt_mtx, cctm;
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	127
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	128 options = cairo_font_options_create();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	129 if(options == NULL)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	130 return NULL;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	131
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	132 MB_MATRIX_2_CAIRO(cfnt_mtx, fnt_mtx);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	133 MB_MATRIX_2_CAIRO(cctm, ctm);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	134 scaled = cairo_scaled_font_create(face, &cfnt_mtx, &cctm, options);
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	135
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	136 cairo_font_options_destroy(options);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	137
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	138 return scaled;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	139 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	140
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	141 static mb_img_fmt_t
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	142 mbe_image_surface_get_format(mbe_surface_t *surface) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	143 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	144 mb_img_fmt_t fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	145
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	146 _fmt = cairo_image_surface_get_format(surface);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	147 switch(_fmt) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	148 case CAIRO_FORMAT_ARGB32:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	149 fmt = MB_IFMT_ARGB32;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	150 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	151 case CAIRO_FORMAT_RGB24:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	152 fmt = MB_IFMT_RGB24;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	153 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	154 case CAIRO_FORMAT_A8:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	155 fmt = MB_IFMT_A8;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	156 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	157 case CAIRO_FORMAT_A1:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	158 fmt = MB_IFMT_A1;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	159 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	160 default:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	161 fmt = MB_IFMT_DUMMY;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	162 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	163 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	164
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	165 return fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	166 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	167
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	168 static mbe_surface_t *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	169 mbe_image_surface_create(mb_img_fmt_t fmt, int width, int height) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	170 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	171
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	172 switch(fmt) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	173 case MB_IFMT_ARGB32:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	174 _fmt = CAIRO_FORMAT_ARGB32;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	175 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	176 case MB_IFMT_RGB24:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	177 _fmt = CAIRO_FORMAT_RGB24;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	178 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	179 case MB_IFMT_A8:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	180 _fmt = CAIRO_FORMAT_A8;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	181 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	182 case MB_IFMT_A1:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	183 _fmt = CAIRO_FORMAT_A1;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	184 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	185 default:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	186 return NULL;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	187 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	188
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	189 return cairo_image_surface_create(_fmt, width, height);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	190 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	191
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	192 static void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	193 mbe_transform(mbe_t *mbe, const co_aix matrix[6]) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	194 cairo_matrix_t cmtx;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	195
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	196 cmtx.xx = matrix[0];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	197 cmtx.xy = matrix[1];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	198 cmtx.x0 = matrix[2];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	199 cmtx.yx = matrix[3];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	200 cmtx.yy = matrix[4];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	201 cmtx.y0 = matrix[5];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	202
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	203 cairo_transform(mbe, &cmtx);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	204 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	205
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	206 static void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	207 mbe_arc(mbe_t *mbe, co_aix x, co_aix y, co_aix radius,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	208 co_aix angle_start, co_aix angle_stop) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	209 if(angle_start <= angle_stop)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	210 cairo_arc(mbe, x, y, radius, angle_start, angle_stop);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	211 else
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	212 cairo_arc_negative(mbe, x, y, radius, angle_start, angle_stop);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	213 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	214 /* @} */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	215
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	216 #endif /* __MB_GE_CAIRO_H_ */

Mercurial > MadButterfly

annotate include/mb_graph_engine_cairo.h @ 630:bd18951b51d5 openvg