MadButterfly: include/mb_graph_engine

annotate include/mb_graph_engine_cairo.h @ 621:d8cdd57ceff5 openvg

Various path functions for OpenVG

author	Thinker K.F. Li <thinker@branda.to>
date	Fri, 09 Jul 2010 10:45:23 +0800
parents	39d27911c3ae
children	bd18951b51d5

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
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 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	55 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	56 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	57 typedef cairo_surface_t mbe_surface_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	58 typedef cairo_pattern_t mbe_pattern_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	59 typedef cairo_t mbe_t;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	60
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	61 #define MB_MATRIX_2_CAIRO(cmtx, mtx) { \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	62 (cmtx).xx = (mtx)[0]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	63 (cmtx).xy = (mtx)[1]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	64 (cmtx).x0 = (mtx)[2]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	65 (cmtx).yx = (mtx)[3]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	66 (cmtx).yy = (mtx)[4]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	67 (cmtx).y0 = (mtx)[5]; \
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	68 }
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
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	71 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	72 int slant, int weight);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	73 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	74 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	75 co_aix radius0,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	76 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	77 co_aix radius1,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	78 grad_stop_t *stops,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	79 int stop_cnt);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	80 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	81 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	82 grad_stop_t *stops,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 473 diff changeset	83 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	84 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	85 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	86
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	87
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	88 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	89 const co_aix matrix[6]) {
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	90 cairo_matrix_t cmtx;
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	91
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	92 MB_MATRIX_2_CAIRO(cmtx, matrix);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	93 cairo_pattern_set_matrix(ptn, &cmtx);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	94 }
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	95
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	96 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	97 cairo_operator_t old_op;
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	98
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	99 old_op = cairo_get_operator(canvas);
481 273307d061b7 imported patch typo_cairo.diff Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	100 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	101 cairo_paint(canvas);
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	102 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	103 }
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	104
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	105 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	106 cairo_operator_t saved_op;
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	107 cairo_surface_t *surf;
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	108 cairo_pattern_t *ptn;
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	109
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	110 surf = cairo_get_target(src);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	111 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	112 cairo_set_source(dst, ptn);
512 d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	113 cairo_pattern_destroy(ptn);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	114 saved_op = cairo_get_operator(dst);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	115 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	116 cairo_paint(dst);
d186d1e24458 Change prototype of mbe_copy_source(). Thinker K.F. Li <thinker@branda.to> parents: 481 diff changeset	117 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	118 }
4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	119
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	120 static mbe_scaled_font_t *
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	121 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	122 co_aix ctm[6]) {
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	123 cairo_font_options_t *options;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	124 mbe_scaled_font_t *scaled;
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	125 cairo_matrix_t cfnt_mtx, cctm;
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	126
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	127 options = cairo_font_options_create();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	128 if(options == NULL)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	129 return NULL;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	130
473 ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	131 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	132 MB_MATRIX_2_CAIRO(cctm, ctm);
ba64f928542b Remove mbe_matrix_t type. Thinker K.F. Li <thinker@branda.to> parents: 471 diff changeset	133 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	134
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	135 cairo_font_options_destroy(options);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	136
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	137 return scaled;
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
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	140 static mb_img_fmt_t
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	141 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	142 cairo_format_t _fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	143 mb_img_fmt_t fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	144
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	145 _fmt = cairo_image_surface_get_format(surface);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	146 switch(_fmt) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	147 case CAIRO_FORMAT_ARGB32:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	148 fmt = MB_IFMT_ARGB32;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	149 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	150 case CAIRO_FORMAT_RGB24:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	151 fmt = MB_IFMT_RGB24;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	152 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	153 case CAIRO_FORMAT_A8:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	154 fmt = MB_IFMT_A8;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	155 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	156 case CAIRO_FORMAT_A1:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	157 fmt = MB_IFMT_A1;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	158 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	159 default:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	160 fmt = MB_IFMT_DUMMY;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	161 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	162 }
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 return fmt;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	165 }
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 static mbe_surface_t *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	168 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	169 cairo_format_t _fmt;
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 switch(fmt) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	172 case MB_IFMT_ARGB32:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	173 _fmt = CAIRO_FORMAT_ARGB32;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	174 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	175 case MB_IFMT_RGB24:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	176 _fmt = CAIRO_FORMAT_RGB24;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	177 break;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	178 case MB_IFMT_A8:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	179 _fmt = CAIRO_FORMAT_A8;
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 MB_IFMT_A1:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	182 _fmt = CAIRO_FORMAT_A1;
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 default:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	185 return NULL;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	186 }
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 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	189 }
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 static void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	192 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	193 cairo_matrix_t cmtx;
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 cmtx.xx = matrix[0];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	196 cmtx.xy = matrix[1];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	197 cmtx.x0 = matrix[2];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	198 cmtx.yx = matrix[3];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	199 cmtx.yy = matrix[4];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	200 cmtx.y0 = matrix[5];
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 cairo_transform(mbe, &cmtx);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	203 }
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 static void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	206 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	207 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	208 if(angle_start <= angle_stop)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	209 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	210 else
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	211 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	212 }
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 #endif /* __MB_GE_CAIRO_H_ */

Mercurial > MadButterfly

annotate include/mb_graph_engine_cairo.h @ 621:d8cdd57ceff5 openvg