MadButterfly: src/graph_engine

annotate src/graph_engine_cairo.c @ 832:8ae1fb7b3104

Check transform from parent cached coord to descendant cached coord

author	Thinker K.F. Li <thinker@codemud.net>
date	Fri, 17 Sep 2010 12:21:35 +0800
parents	586e50f82c1f
children	74e3ba4d3fa1

rev	line source
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	1 // -- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; --
586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	2 // vim: sw=4:ts=8:sts=4
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 #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	4 #include <cairo-ft.h>
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5 #include "mb_graph_engine_cairo.h"
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	6 #include "mb_shapes.h"
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	7
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	8 #ifndef ASSERT
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	9 #define ASSERT(x)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	10 #endif
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 /*! \brief Find out a font pattern.
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13 *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 * 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	15 * 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	16 *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17 * \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	18 * \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	19 */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	20 static
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	21 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	22 FcPattern ptn, p, *fn_ptn;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23 FcValue val;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24 FcConfig *cfg;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	25 FcBool r;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 FcResult result;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	27 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	28 FC_SLANT_ROMAN,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 FC_SLANT_ROMAN,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	30 FC_SLANT_ITALIC,
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 FC_SLANT_OBLIQUE};
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	32
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 cfg = FcConfigGetCurrent();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 ptn = FcPatternCreate();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	35 p = FcPatternCreate();
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 if(ptn == NULL \|\| p == NULL)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 val.type = FcTypeString;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40 val.u.s = family;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	41 FcPatternAdd(ptn, "family", val, FcTrue);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	42
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 val.type = FcTypeInteger;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44 val.u.i = slant_map[slant];
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45 FcPatternAdd(ptn, "slant", val, FcTrue);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	46
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 val.type = FcTypeInteger;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48 val.u.i = weight;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 FcPatternAdd(ptn, "weight", val, FcTrue);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51 r = FcConfigSubstituteWithPat(cfg, ptn, NULL, FcMatchPattern);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52 if(!r)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53 goto err;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	54
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55 r = FcConfigSubstituteWithPat(cfg, p, ptn, FcMatchFont);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 if(!r)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 goto err;
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 FcDefaultSubstitute(p);
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 fn_ptn = FcFontMatch(cfg, p, &result);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	62
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	63 /* 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	64 * 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	65 */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	66 #if 0
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	67 if(result != FcResultMatch) {
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	68 printf("%d %d\n", result, FcResultMatch);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	69 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	70 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	71 #endif
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72 if(fn_ptn == NULL)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	73 goto err;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	74
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	75 FcPatternDestroy(ptn);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	76 FcPatternDestroy(p);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	77
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	78 return fn_ptn;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	79
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	80 err:
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	81 if(ptn)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	82 FcPatternDestroy(ptn);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	83 if(p)
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	84 FcPatternDestroy(p);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	85 return NULL;
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 }
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 /*! \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	90 *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	91 * 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	92 * 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	93 * 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	94 */
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	95 mbe_font_face_t *
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	96 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	97 mbe_font_face_t *cface;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	98 FcPattern *ptn;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	99
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	100 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	101 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	102 FcPatternDestroy(ptn);
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	103
465 d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	104 return cface;
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	105 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	106
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	107 void
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	108 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	109 ASSERT(face == NULL);
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 mbe_font_face_destroy(face);
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	112 }
d8181696b689 Move functions into graphic engine layers. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	113
480 e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	114 mbe_pattern_t *
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	115 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	116 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	117 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	118 cairo_pattern_t *ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	119 grad_stop_t *stop;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	120 int i;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	121
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	122 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	123 cx1, cy1, radius1);
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	124 if(ptn == NULL)
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	125 return NULL;
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 480 diff changeset	126
480 e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	127 stop = stops;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	128 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	129 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	130 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	131 stop++;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	132 }
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 return ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	135 }
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	136
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	137 mbe_pattern_t *
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	138 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	139 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	140 cairo_pattern_t *ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	141 grad_stop_t *stop;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	142 int i;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	143
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	144 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	145 if(ptn == NULL)
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	146 return NULL;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	147
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	148 stop = stops;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	149 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	150 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	151 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	152 stop++;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	153 }
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	154
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	155 return ptn;
e813ac222f48 Merge add colors into constructor of gradient pattern. Thinker K.F. Li <thinker@branda.to> parents: 469 diff changeset	156 }

Mercurial > MadButterfly

annotate src/graph_engine_cairo.c @ 832:8ae1fb7b3104