xref: /OK3568_Linux_fs/buildroot/package/libsvgtiny/0001-disable-debug-printfs.patch (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyunsvntiny: svntiny_gradient.c: only print debugging if GRADIENT_DEBUG is enabled
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunSigned-off-by: Peter Korsgaard <jacmet@sunsite.dk>
4*4882a593Smuzhiyun---
5*4882a593Smuzhiyun src/svgtiny_gradient.c |   23 ++++++++++++++++++++++-
6*4882a593Smuzhiyun 1 file changed, 22 insertions(+), 1 deletion(-)
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunIndex: libsvgtiny/src/svgtiny_gradient.c
9*4882a593Smuzhiyun===================================================================
10*4882a593Smuzhiyun--- libsvgtiny.orig/src/svgtiny_gradient.c
11*4882a593Smuzhiyun+++ libsvgtiny/src/svgtiny_gradient.c
12*4882a593Smuzhiyun@@ -30,8 +30,9 @@ void svgtiny_find_gradient(const char *i
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun 	xmlNode *gradient;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
17*4882a593Smuzhiyun 	fprintf(stderr, "svgtiny_find_gradient: id \"%s\"\n", id);
18*4882a593Smuzhiyun-
19*4882a593Smuzhiyun+#endif
20*4882a593Smuzhiyun 	state->linear_gradient_stop_count = 0;
21*4882a593Smuzhiyun 	state->gradient_x1 = "0%";
22*4882a593Smuzhiyun 	state->gradient_y1 = "0%";
23*4882a593Smuzhiyun@@ -47,13 +48,17 @@ void svgtiny_find_gradient(const char *i
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun 	gradient = svgtiny_find_element_by_id(
26*4882a593Smuzhiyun 			(xmlNode *) state->document, id);
27*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
28*4882a593Smuzhiyun 	fprintf(stderr, "gradient %p\n", (void *) gradient);
29*4882a593Smuzhiyun+#endif
30*4882a593Smuzhiyun 	if (!gradient) {
31*4882a593Smuzhiyun 		fprintf(stderr, "gradient \"%s\" not found\n", id);
32*4882a593Smuzhiyun 		return;
33*4882a593Smuzhiyun 	}
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
36*4882a593Smuzhiyun 	fprintf(stderr, "gradient name \"%s\"\n", gradient->name);
37*4882a593Smuzhiyun+#endif
38*4882a593Smuzhiyun 	if (strcmp((const char *) gradient->name, "linearGradient") == 0) {
39*4882a593Smuzhiyun 		svgtiny_parse_linear_gradient(gradient, state);
40*4882a593Smuzhiyun 	}
41*4882a593Smuzhiyun@@ -98,8 +103,10 @@ svgtiny_code svgtiny_parse_linear_gradie
42*4882a593Smuzhiyun 				return svgtiny_OUT_OF_MEMORY;
43*4882a593Smuzhiyun 			svgtiny_parse_transform(s, &a, &b, &c, &d, &e, &f);
44*4882a593Smuzhiyun 			free(s);
45*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
46*4882a593Smuzhiyun 			fprintf(stderr, "transform %g %g %g %g %g %g\n",
47*4882a593Smuzhiyun 					a, b, c, d, e, f);
48*4882a593Smuzhiyun+#endif
49*4882a593Smuzhiyun 			state->gradient_transform.a = a;
50*4882a593Smuzhiyun 			state->gradient_transform.b = b;
51*4882a593Smuzhiyun 			state->gradient_transform.c = c;
52*4882a593Smuzhiyun@@ -143,7 +150,9 @@ svgtiny_code svgtiny_parse_linear_gradie
53*4882a593Smuzhiyun 		}
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun 		if (offset != -1 && color != svgtiny_TRANSPARENT) {
56*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
57*4882a593Smuzhiyun 			fprintf(stderr, "stop %g %x\n", offset, color);
58*4882a593Smuzhiyun+#endif
59*4882a593Smuzhiyun 			state->gradient_stop[i].offset = offset;
60*4882a593Smuzhiyun 			state->gradient_stop[i].color = color;
61*4882a593Smuzhiyun 			i++;
62*4882a593Smuzhiyun@@ -220,9 +229,11 @@ svgtiny_code svgtiny_add_path_linear_gra
63*4882a593Smuzhiyun 	#endif
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun 	/* compute gradient vector */
66*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
67*4882a593Smuzhiyun 	fprintf(stderr, "x1 %s, y1 %s, x2 %s, y2 %s\n",
68*4882a593Smuzhiyun 			state->gradient_x1, state->gradient_y1,
69*4882a593Smuzhiyun 			state->gradient_x2, state->gradient_y2);
70*4882a593Smuzhiyun+#endif
71*4882a593Smuzhiyun 	if (!state->gradient_user_space_on_use) {
72*4882a593Smuzhiyun 		gradient_x0 = object_x0 +
73*4882a593Smuzhiyun 				svgtiny_parse_length(state->gradient_x1,
74*4882a593Smuzhiyun@@ -297,9 +308,11 @@ svgtiny_code svgtiny_add_path_linear_gra
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun 	/* invert gradient transform for applying to vertices */
77*4882a593Smuzhiyun 	svgtiny_invert_matrix(&state->gradient_transform.a, trans);
78*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
79*4882a593Smuzhiyun 	fprintf(stderr, "inverse transform %g %g %g %g %g %g\n",
80*4882a593Smuzhiyun 			trans[0], trans[1], trans[2], trans[3],
81*4882a593Smuzhiyun 			trans[4], trans[5]);
82*4882a593Smuzhiyun+#endif
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun 	/* compute points on the path for triangle vertices */
85*4882a593Smuzhiyun 	/* r, r0, r1 are distance along gradient vector */
86*4882a593Smuzhiyun@@ -372,8 +385,10 @@ svgtiny_code svgtiny_add_path_linear_gra
87*4882a593Smuzhiyun 		steps = ceilf(fabsf(r1 - r0) / 0.05);
88*4882a593Smuzhiyun 		if (steps == 0)
89*4882a593Smuzhiyun 			steps = 1;
90*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
91*4882a593Smuzhiyun 		fprintf(stderr, "r0 %g, r1 %g, steps %i\n",
92*4882a593Smuzhiyun 				r0, r1, steps);
93*4882a593Smuzhiyun+#endif
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun 		/* loop through intermediate points */
96*4882a593Smuzhiyun 		for (z = 1; z != steps; z++) {
97*4882a593Smuzhiyun@@ -398,7 +413,9 @@ svgtiny_code svgtiny_add_path_linear_gra
98*4882a593Smuzhiyun 			r = ((x_trans - gradient_x0) * gradient_dx +
99*4882a593Smuzhiyun 					(y_trans - gradient_y0) * gradient_dy) /
100*4882a593Smuzhiyun 					gradient_norm_squared;
101*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
102*4882a593Smuzhiyun 			fprintf(stderr, "(%g %g [%g]) ", x, y, r);
103*4882a593Smuzhiyun+#endif
104*4882a593Smuzhiyun 			point = svgtiny_list_push(pts);
105*4882a593Smuzhiyun 			if (!point) {
106*4882a593Smuzhiyun 				svgtiny_list_free(pts);
107*4882a593Smuzhiyun@@ -412,14 +429,18 @@ svgtiny_code svgtiny_add_path_linear_gra
108*4882a593Smuzhiyun 				min_pt = svgtiny_list_size(pts) - 1;
109*4882a593Smuzhiyun 			}
110*4882a593Smuzhiyun 		}
111*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
112*4882a593Smuzhiyun 		fprintf(stderr, "\n");
113*4882a593Smuzhiyun+#endif
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun 		/* next segment start point is this segment end point */
116*4882a593Smuzhiyun 		x0 = x1;
117*4882a593Smuzhiyun 		y0 = y1;
118*4882a593Smuzhiyun 	}
119*4882a593Smuzhiyun+#ifdef GRADIENT_DEBUG
120*4882a593Smuzhiyun 	fprintf(stderr, "pts size %i, min_pt %i, min_r %.3f\n",
121*4882a593Smuzhiyun 			svgtiny_list_size(pts), min_pt, min_r);
122*4882a593Smuzhiyun+#endif
123*4882a593Smuzhiyun
124*4882a593Smuzhiyun 	/* render triangles */
125*4882a593Smuzhiyun 	stop_count = state->linear_gradient_stop_count;
126