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tests: Add a simple test to convert rendernode to png

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Takes a rendernode file, outputs a PNG. Nothing more.
This commit is contained in:
Benjamin Otte 2016-12-21 07:20:28 +01:00
parent 735846cc82
commit b4ac7ffed4
2 changed files with 70 additions and 0 deletions
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2
tests/Makefile.am
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@ -27,6 +27,7 @@ fontconfig_programs = testfontchooserdialog
endif
noinst_PROGRAMS = $(TEST_PROGS) \
rendernode \
overlayscroll \
syncscroll \
animated-resizing \
@ -161,6 +162,7 @@ if USE_X11
noinst_PROGRAMS += testerrors
endif
rendernode_DEPENDENCIES = $(TEST_DEPS)
animated_resizing_DEPENDENCIES = $(TEST_DEPS)
animated_revealing_DEPENDENCIES = $(TEST_DEPS)
flicker_DEPENDENCIES = $(TEST_DEPS)

68
tests/rendernode.c Normal file
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@ -0,0 +1,68 @@
#include <gtk/gtk.h>
static GOptionEntry options[] = {
{ NULL }
};
int
main(int argc, char **argv)
{
graphene_rect_t bounds;
cairo_surface_t *surface;
GskRenderNode *node;
cairo_t *cr;
GError *error = NULL;
GBytes *bytes;
char *contents;
gsize len;
if (!gtk_init_with_args (&argc, &argv, "NODE-FILE PNG-FILE",
options, NULL, &error))
{
g_printerr ("Option parsing failed: %s\n", error->message);
return 1;
}
if (argc != 3)
{
g_printerr ("Usage: %s [OPTIONS] NODE-FILE PNG-FILE\n", argv[0]);
return 1;
}
if (!g_file_get_contents (argv[1], &contents, &len, &error))
{
g_printerr ("Could not open node file: %s\n", error->message);
return 1;
}
bytes = g_bytes_new_take (contents, len);
node = gsk_render_node_deserialize (bytes);
g_bytes_unref (bytes);
if (node == NULL)
{
g_printerr ("Invalid node file.\n");
return 1;
}
gsk_render_node_get_bounds (node, &bounds);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, ceil (bounds.size.width), ceil (bounds.size.height));
cr = cairo_create (surface);
cairo_translate (cr, - bounds.origin.x, - bounds.origin.y);
gsk_render_node_draw (node, cr);
cairo_destroy (cr);
gsk_render_node_unref (node);
if (cairo_surface_write_to_png (surface, argv[2]))
{
cairo_surface_destroy (surface);
g_print ("Failed to save PNG file.\n");
return 1;
}
cairo_surface_destroy (surface);
return 0;
}