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