MadButterfly: src/graph_engine

annotate src/graph_engine_cairo.c @ 615:0f0abc48e10a openvg

mbe_new_path() for OpenVG

author	Thinker K.F. Li <thinker@branda.to>
date	Thu, 08 Jul 2010 11:29:58 +0800
parents	ac2e6468a22a
children	7b4e80ab671a

rev	line source
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 #include <fontconfig/fontconfig.h>
480 e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	2 #include <cairo-ft.h>
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 #include "mb_graph_engine_cairo.h"
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	4 #include "mb_shapes.h"
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	6 #ifndef ASSERT
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	7 #define ASSERT(x)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	8 #endif
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 /*! \brief Find out a font pattern.
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 * This function use fontconfig to decide a font file in pattern. It can
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13 * replaced by other mechanism if you think it is not what you want.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	15 * \param slant make font prune if it it non-zero.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	16 * \param weight make font normal if it is 100.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17 */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	18 static
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	19 FcPattern query_font_pattern(const char family, int slant, int weight) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	20 FcPattern ptn, p, *fn_ptn;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	21 FcValue val;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	22 FcConfig *cfg;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23 FcBool r;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24 FcResult result;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	25 static int slant_map[] = { /* from MB_FONT_SLANT_* to FC_SLANT_* */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 FC_SLANT_ROMAN,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	27 FC_SLANT_ROMAN,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28 FC_SLANT_ITALIC,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 FC_SLANT_OBLIQUE};
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	30
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 cfg = FcConfigGetCurrent();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	32 ptn = FcPatternCreate();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 p = FcPatternCreate();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 if(ptn == NULL \|\| p == NULL)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	35 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37 val.type = FcTypeString;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38 val.u.s = family;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 FcPatternAdd(ptn, "family", val, FcTrue);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	41 val.type = FcTypeInteger;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	42 val.u.i = slant_map[slant];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 FcPatternAdd(ptn, "slant", val, FcTrue);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45 val.type = FcTypeInteger;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46 val.u.i = weight;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 FcPatternAdd(ptn, "weight", val, FcTrue);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 r = FcConfigSubstituteWithPat(cfg, ptn, NULL, FcMatchPattern);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 if(!r)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53 r = FcConfigSubstituteWithPat(cfg, p, ptn, FcMatchFont);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 if(!r)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 FcDefaultSubstitute(p);
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 fn_ptn = FcFontMatch(cfg, p, &result);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	60
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	61 /* It is supposed to return FcResultMatch. But, it is no, now.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	62 * I don't know why. Someone should figure out the issue.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	63 */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	64 #if 0
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	65 if(result != FcResultMatch) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	66 printf("%d %d\n", result, FcResultMatch);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	67 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	68 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	69 #endif
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	70 if(fn_ptn == NULL)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	71 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	73 FcPatternDestroy(ptn);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	74 FcPatternDestroy(p);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	75
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	76 return fn_ptn;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	77
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	78 err:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	79 if(ptn)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	80 FcPatternDestroy(ptn);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	81 if(p)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	82 FcPatternDestroy(p);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	83 return NULL;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	84
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	85 }
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 /*! \brief Find out a font face for a pattern specified.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	88 *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	89 * The pattern, here, is a vector of family, slant, and weight.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	90 * This function base on fontconfig and cairo FreeType font supporting.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	91 * You can replace this function with other font mechanisms.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	92 */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	93 mbe_font_face_t *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	94 mbe_query_font_face(const char *family, int slant, int weight) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	95 mbe_font_face_t *cface;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	96 FcPattern *ptn;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	97
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	98 ptn = query_font_pattern(family, slant, weight);
469 4dc0be6c044a Add copy and clear graphic engine functions. Thinker K.F. Li <thinker@branda.to> parents: 465 diff changeset	99 cface = cairo_ft_font_face_create_for_pattern(ptn);
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	100 FcPatternDestroy(ptn);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	101
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	102 return cface;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	103 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	104
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	105 void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	106 mbe_free_font_face(mbe_font_face_t *face) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	107 ASSERT(face == NULL);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	108
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	109 mbe_font_face_destroy(face);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	110 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	111
480 e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	112 mbe_pattern_t *
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	113 mbe_pattern_create_radial(co_aix cx0, co_aix cy0, co_aix radius0,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	114 co_aix cx1, co_aix cy1, co_aix radius1,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	115 grad_stop_t *stops, int stop_cnt) {
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	116 cairo_pattern_t *ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	117 grad_stop_t *stop;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	118 int i;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	119
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	120 ptn = cairo_pattern_create_radial(cx0, cy0, radius0,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	121 cx1, cy1, radius1);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	122 if(ptn == NULL)
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	123 return NULL;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	124
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	125 stop = stops;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	126 for(i = 0; i < stop_cnt; i++) {
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	127 cairo_pattern_add_color_stop_rgba(ptn, stop->offset,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	128 stop->r, stop->g, stop->b, stop->a);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	129 stop++;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	130 }
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	131
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	132 return ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	133 }
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	134
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	135 mbe_pattern_t *
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	136 mbe_pattern_create_linear(co_aix x0, co_aix y0, co_aix x1, co_aix y1,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	137 grad_stop_t *stops, int stop_cnt) {
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	138 cairo_pattern_t *ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	139 grad_stop_t *stop;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	140 int i;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	141
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	142 ptn = cairo_pattern_create_linear(x0, y0, x1, y1);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	143 if(ptn == NULL)
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	144 return NULL;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	145
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	146 stop = stops;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	147 for(i = 0; i < stop_cnt; i++) {
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	148 cairo_pattern_add_color_stop_rgba(ptn, stop->offset,
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	149 stop->r, stop->g, stop->b, stop->a);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	150 stop++;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	151 }
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	152
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	153 return ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	154 }
586 b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	155
602 ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	156 mbe_pattern_t *
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	157 mbe_pattern_create_image(mb_img_data_t *img) {
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	158 cairo_surface_t *surf;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	159 cairo_pattern_t *ptn;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	160 cairo_format_t fmt;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	161
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	162 switch(img->fmt) {
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	163 case MB_IFMT_ARGB32:
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	164 fmt = CAIRO_FORMAT_ARGB32;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	165 break;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	166
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	167 case MB_IFMT_RGB24:
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	168 fmt = CAIRO_FORMAT_RGB24;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	169 break;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	170
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	171 case MB_IFMT_A8:
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	172 fmt = CAIRO_FORMAT_A8;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	173 break;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	174
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	175 case MB_IFMT_A1:
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	176 fmt = CAIRO_FORMAT_A1;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	177 break;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	178
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	179 case MB_IFMT_RGB16_565:
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	180 fmt = CAIRO_FORMAT_RGB16_565;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	181 break;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	182
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	183 default:
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	184 return NULL;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	185 }
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	186
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	187 surf = cairo_image_surface_create_for_data(img->content, fmt,
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	188 img->w, img->h, img->stride);
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	189 ptn = cairo_pattern_create_for_surface(surf);
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	190 cairo_surface_destroy(surf);
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	191
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	192 return ptn;
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	193 }
ac2e6468a22a Replace mbe_image_surface_create_from_png() with mbe_pattern_create_image() Thinker K.F. Li <thinker@branda.to> parents: 586 diff changeset	194
586 b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	195 void
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	196 mbe_scissoring(mbe_t canvas, int n_areas, area_t *areas) {
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	197 area_t *area;
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	198 int i;
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	199
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	200 cairo_new_path(canvas);
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	201
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	202 for(i = 0; i < n_areas; i++) {
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	203 area = areas[i];
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	204 cairo_rectangle(canvas, area->x, area->y, area->w, area->h);
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	205 }
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	206
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	207 cairo_clip(canvas);
b42d69ab8857 Replace mbe_clip() with mbe_scissoring() Thinker K.F. Li <thinker@branda.to> parents: 480 diff changeset	208 }

Mercurial > MadButterfly

annotate src/graph_engine_cairo.c @ 615:0f0abc48e10a openvg