libsvgtiny: only print debugging if GRADIENT_DEBUG is enabled

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2024-11-29 00:13:30 +08:00 · 2010-07-06 17:25:59 +02:00 · 2010-07-06 17:25:59 +02:00 · 634163f800
commit 634163f800
parent 8251a6d243
1 changed files with 125 additions and 0 deletions
--- a/package/libsvgtiny/libsvgtiny-disable-debug-printfs.patch
+++ b/package/libsvgtiny/libsvgtiny-disable-debug-printfs.patch
@ -0,0 +1,125 @@
+svntiny: svntiny_gradient.c: only print debugging if GRADIENT_DEBUG is enabled
+
+Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
+---
+ src/svgtiny_gradient.c |   23 ++++++++++++++++++++++-
+ 1 file changed, 22 insertions(+), 1 deletion(-)
+
+Index: libsvgtiny/src/svgtiny_gradient.c
+===================================================================
+--- libsvgtiny.orig/src/svgtiny_gradient.c
+++ libsvgtiny/src/svgtiny_gradient.c
+@@ -30,8 +30,9 @@ void svgtiny_find_gradient(const char *i
+ {
+ 	xmlNode *gradient;
+ 
+#ifdef GRADIENT_DEBUG
+ 	fprintf(stderr, "svgtiny_find_gradient: id \"%s\"\n", id);
+-
+#endif
+ 	state->linear_gradient_stop_count = 0;
+ 	state->gradient_x1 = "0%";
+ 	state->gradient_y1 = "0%";
+@@ -47,13 +48,17 @@ void svgtiny_find_gradient(const char *i
+ 
+ 	gradient = svgtiny_find_element_by_id(
+ 			(xmlNode *) state->document, id);
+#ifdef GRADIENT_DEBUG
+ 	fprintf(stderr, "gradient %p\n", (void *) gradient);
+#endif
+ 	if (!gradient) {
+ 		fprintf(stderr, "gradient \"%s\" not found\n", id);
+ 		return;
+ 	}
+ 
+#ifdef GRADIENT_DEBUG
+ 	fprintf(stderr, "gradient name \"%s\"\n", gradient->name);
+#endif
+ 	if (strcmp((const char *) gradient->name, "linearGradient") == 0) {
+ 		svgtiny_parse_linear_gradient(gradient, state);
+ 	}
+@@ -98,8 +103,10 @@ svgtiny_code svgtiny_parse_linear_gradie
+ 				return svgtiny_OUT_OF_MEMORY;
+ 			svgtiny_parse_transform(s, &a, &b, &c, &d, &e, &f);
+ 			free(s);
+#ifdef GRADIENT_DEBUG
+ 			fprintf(stderr, "transform %g %g %g %g %g %g\n",
+ 					a, b, c, d, e, f);
+#endif
+ 			state->gradient_transform.a = a;
+ 			state->gradient_transform.b = b;
+ 			state->gradient_transform.c = c;
+@@ -143,7 +150,9 @@ svgtiny_code svgtiny_parse_linear_gradie
+ 		}
+ 
+ 		if (offset != -1 && color != svgtiny_TRANSPARENT) {
+#ifdef GRADIENT_DEBUG
+ 			fprintf(stderr, "stop %g %x\n", offset, color);
+#endif
+ 			state->gradient_stop[i].offset = offset;
+ 			state->gradient_stop[i].color = color;
+ 			i++;
+@@ -220,9 +229,11 @@ svgtiny_code svgtiny_add_path_linear_gra
+ 	#endif
+ 
+ 	/* compute gradient vector */
+#ifdef GRADIENT_DEBUG
+ 	fprintf(stderr, "x1 %s, y1 %s, x2 %s, y2 %s\n",
+ 			state->gradient_x1, state->gradient_y1,
+ 			state->gradient_x2, state->gradient_y2);
+#endif
+ 	if (!state->gradient_user_space_on_use) {
+ 		gradient_x0 = object_x0 +
+ 				svgtiny_parse_length(state->gradient_x1,
+@@ -297,9 +308,11 @@ svgtiny_code svgtiny_add_path_linear_gra
+ 
+ 	/* invert gradient transform for applying to vertices */
+ 	svgtiny_invert_matrix(&state->gradient_transform.a, trans);
+#ifdef GRADIENT_DEBUG
+ 	fprintf(stderr, "inverse transform %g %g %g %g %g %g\n",
+ 			trans[0], trans[1], trans[2], trans[3],
+ 			trans[4], trans[5]);
+#endif
+ 
+ 	/* compute points on the path for triangle vertices */
+ 	/* r, r0, r1 are distance along gradient vector */
+@@ -372,8 +385,10 @@ svgtiny_code svgtiny_add_path_linear_gra
+ 		steps = ceilf(fabsf(r1 - r0) / 0.05);
+ 		if (steps == 0)
+ 			steps = 1;
+#ifdef GRADIENT_DEBUG
+ 		fprintf(stderr, "r0 %g, r1 %g, steps %i\n",
+ 				r0, r1, steps);
+#endif
+ 
+ 		/* loop through intermediate points */
+ 		for (z = 1; z != steps; z++) {
+@@ -398,7 +413,9 @@ svgtiny_code svgtiny_add_path_linear_gra
+ 			r = ((x_trans - gradient_x0) * gradient_dx +
+ 					(y_trans - gradient_y0) * gradient_dy) /
+ 					gradient_norm_squared;
+#ifdef GRADIENT_DEBUG
+ 			fprintf(stderr, "(%g %g [%g]) ", x, y, r);
+#endif
+ 			point = svgtiny_list_push(pts);
+ 			if (!point) {
+ 				svgtiny_list_free(pts);
+@@ -412,14 +429,18 @@ svgtiny_code svgtiny_add_path_linear_gra
+ 				min_pt = svgtiny_list_size(pts) - 1;
+ 			}
+ 		}
+#ifdef GRADIENT_DEBUG
+ 		fprintf(stderr, "\n");
+#endif
+ 
+ 		/* next segment start point is this segment end point */
+ 		x0 = x1;
+ 		y0 = y1;
+ 	}
+#ifdef GRADIENT_DEBUG
+ 	fprintf(stderr, "pts size %i, min_pt %i, min_r %.3f\n",
+ 			svgtiny_list_size(pts), min_pt, min_r);
+#endif
+ 
+ 	/* render triangles */
+ 	stop_count = state->linear_gradient_stop_count;