MadButterfly: include/mb_graph_engine

annotate include/mb_graph_engine_cairo.h @ 594:d416e1fff71a openvg

Fix bug of mbe_copy_source() of cairo. Must install pattern as source on target canvas instead of source canvas.

author	Thinker K.F. Li <thinker@branda.to>
date	Wed, 30 Jun 2010 23:15:42 +0800
parents	b42d69ab8857
children	28aa5e53abaa

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_OPERATOR_CLEAR CAIRO_OPERATOR_CLEAR
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 #define MBE_OPERATOR_SOURCE CAIRO_OPERATOR_SOURCE
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	15 #define MBE_STATUS_SUCCESS CAIRO_STATUS_SUCCESS
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	16
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17 #define mbe_image_surface_create_from_png cairo_image_surface_create_from_png
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	18 #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	19 #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	20 #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	21 #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	22 #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	23 #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	24 #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	25 #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	26 #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	27 #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	28 #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	29 #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	30 #define mbe_surface_destroy cairo_surface_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 #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	32 #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	33 #define mbe_pattern_destroy cairo_pattern_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 #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	35 #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	36 #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	37 #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	38 #define mbe_fill_preserve cairo_fill_preserve
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 #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	40 #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	41 #define mbe_get_target cairo_get_target
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	42 #define mbe_close_path cairo_close_path
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 #define mbe_text_path cairo_text_path
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44 #define mbe_rectangle cairo_rectangle
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45 #define mbe_in_stroke cairo_in_stroke
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46 #define mbe_new_path cairo_new_path
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 #define mbe_curve_to cairo_curve_to
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48 #define mbe_restore cairo_restore
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 #define mbe_move_to cairo_move_to
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 #define mbe_line_to cairo_line_to
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51 #define mbe_in_fill cairo_in_fill
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52 #define mbe_destroy cairo_destroy
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53 #define mbe_stroke cairo_stroke
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 #define mbe_create cairo_create
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55 #define mbe_paint cairo_paint
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 #define mbe_save cairo_save
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 #define mbe_fill cairo_fill
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	58
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	59 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	60 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	61 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	62 typedef cairo_surface_t mbe_surface_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	63 typedef cairo_pattern_t mbe_pattern_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	64 typedef cairo_t mbe_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	65
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	66 #define MB_MATRIX_2_CAIRO(cmtx, mtx) { \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	67 (cmtx).xx = (mtx)[0]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	68 (cmtx).xy = (mtx)[1]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	69 (cmtx).x0 = (mtx)[2]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	70 (cmtx).yx = (mtx)[3]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	71 (cmtx).yy = (mtx)[4]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	72 (cmtx).y0 = (mtx)[5]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	73 }
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	74
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	75
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	76 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	77 int slant, int weight);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	78 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	79 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	80 co_aix radius0,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	81 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	82 co_aix radius1,
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);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	85 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	86 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	87 grad_stop_t *stops,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	88 int stop_cnt);
586 b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 512 diff changeset	89 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	90
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	91
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	92 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	93 const co_aix matrix[6]) {
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	94 cairo_matrix_t 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 MB_MATRIX_2_CAIRO(cmtx, matrix);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	97 cairo_pattern_set_matrix(ptn, &cmtx);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	98 }
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	99
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	100 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	101 cairo_operator_t old_op;
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	102
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	103 old_op = cairo_get_operator(canvas);
481 273307d061b7 imported patch typo_cairo.diff Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	104 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	105 cairo_paint(canvas);
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	106 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	107 }
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	108
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	109 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	110 cairo_operator_t saved_op;
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	111 cairo_surface_t *surf;
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	112 cairo_pattern_t *ptn;
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	113
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	114 surf = cairo_get_target(src);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	115 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	116 cairo_set_source(dst, ptn);
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	117 cairo_pattern_destroy(ptn);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	118 saved_op = cairo_get_operator(dst);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	119 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	120 cairo_paint(dst);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	121 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	122 }
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	123
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	124 static mbe_scaled_font_t *
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	125 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	126 co_aix ctm[6]) {
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	127 cairo_font_options_t *options;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	128 mbe_scaled_font_t *scaled;
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	129 cairo_matrix_t cfnt_mtx, cctm;
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	130
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	131 options = cairo_font_options_create();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	132 if(options == NULL)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	133 return NULL;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	134
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	135 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	136 MB_MATRIX_2_CAIRO(cctm, ctm);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	137 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	138
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	139 cairo_font_options_destroy(options);
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 return scaled;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	142 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	143
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	144 static mbe_surface_t *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	145 mbe_image_surface_create_for_data(unsigned char *data,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	146 mb_img_fmt_t fmt,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	147 int width, int height,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	148 int stride) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	149 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	150
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	151 switch(fmt) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	152 case MB_IFMT_ARGB32:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	153 _fmt = CAIRO_FORMAT_ARGB32;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	154 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	155 case MB_IFMT_RGB24:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	156 _fmt = CAIRO_FORMAT_RGB24;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	157 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	158 case MB_IFMT_A8:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	159 _fmt = CAIRO_FORMAT_A8;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	160 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	161 case MB_IFMT_A1:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	162 _fmt = CAIRO_FORMAT_A1;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	163 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	164 default:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	165 return NULL;
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 return cairo_image_surface_create_for_data(data, _fmt,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	168 width, height, stride);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	169 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	170
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	171 static mb_img_fmt_t
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	172 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	173 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	174 mb_img_fmt_t fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	175
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	176 _fmt = cairo_image_surface_get_format(surface);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	177 switch(_fmt) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	178 case CAIRO_FORMAT_ARGB32:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	179 fmt = MB_IFMT_ARGB32;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	180 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	181 case CAIRO_FORMAT_RGB24:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	182 fmt = MB_IFMT_RGB24;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	183 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	184 case CAIRO_FORMAT_A8:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	185 fmt = MB_IFMT_A8;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	186 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	187 case CAIRO_FORMAT_A1:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	188 fmt = MB_IFMT_A1;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	189 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	190 default:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	191 fmt = MB_IFMT_DUMMY;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	192 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	193 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	194
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	195 return fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	196 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	197
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	198 static mbe_surface_t *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	199 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	200 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	201
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	202 switch(fmt) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	203 case MB_IFMT_ARGB32:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	204 _fmt = CAIRO_FORMAT_ARGB32;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	205 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	206 case MB_IFMT_RGB24:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	207 _fmt = CAIRO_FORMAT_RGB24;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	208 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	209 case MB_IFMT_A8:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	210 _fmt = CAIRO_FORMAT_A8;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	211 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	212 case MB_IFMT_A1:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	213 _fmt = CAIRO_FORMAT_A1;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	214 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	215 default:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	216 return NULL;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	217 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	218
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	219 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	220 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	221
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	222 static void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	223 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	224 cairo_matrix_t cmtx;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	225
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	226 cmtx.xx = matrix[0];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	227 cmtx.xy = matrix[1];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	228 cmtx.x0 = matrix[2];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	229 cmtx.yx = matrix[3];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	230 cmtx.yy = matrix[4];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	231 cmtx.y0 = matrix[5];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	232
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	233 cairo_transform(mbe, &cmtx);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	234 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	235
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	236 static void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	237 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	238 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	239 if(angle_start <= angle_stop)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	240 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	241 else
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	242 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	243 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	244 /* @} */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	245
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	246 #endif /* __MB_GE_CAIRO_H_ */

Mercurial > MadButterfly

annotate include/mb_graph_engine_cairo.h @ 594:d416e1fff71a openvg