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raster-source: fix when builddir != srcdir

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When the build dir is different from the source dir,
"png.png" is not a valid path. As we can't dispose of
an allocated filename, we add an atexit handler.
This commit is contained in:
Mathieu Duponchelle 2018-05-29 17:56:16 +02:00 • committed by Tim-Philipp Müller
parent 4645ecf3f8
commit 1676935768
1 changed files with 14 additions and 1 deletions
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15
test/raster-source.c
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@ -34,6 +34,8 @@
#define WIDTH 200
#define HEIGHT 80
static char *png_filename = NULL;
/* Lazy way of determining PNG dimensions... */
static void
png_dimensions (const char *filename,
@ -84,15 +86,26 @@ release (cairo_pattern_t *pattern, void *closure, cairo_surface_t *image)
cairo_surface_destroy (image);
}
static void
free_filename(void)
{
free (png_filename);
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const char *png_filename = "png.png";
cairo_pattern_t *png, *red;
cairo_content_t content;
int png_width, png_height;
int i, j;
if (png_filename == NULL) {
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
xasprintf (&png_filename, "%s/png.png", ctx->srcdir);
atexit (free_filename);
}
png_dimensions (png_filename, &content, &png_width, &png_height);
png = cairo_pattern_create_raster_source ((void*)png_filename,