0151f842d7
* clutter/clutter-texture.c:
Fix re-relisation for large tiled textures.
* tests/test-textures.c: (main):
Add a show/hide to trigger above (see #442)
105 lines
2.1 KiB
C
105 lines
2.1 KiB
C
#include <clutter/clutter.h>
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GdkPixbuf*
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make_pixbuf (int width, int height, int bpp, int has_alpha)
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{
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#define CHECK_SIZE 20
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GdkPixbuf *px;
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gint x,y, rowstride, n_channels, i = 0;
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px = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
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has_alpha,
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8,
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width,
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height);
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if (!px) return NULL;
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rowstride = gdk_pixbuf_get_rowstride (px);
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n_channels = gdk_pixbuf_get_n_channels (px);
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for (y = 0; y < height; y++)
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{
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i = 0;
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for (x = 0; x < width; x++)
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{
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guchar *p;
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p = gdk_pixbuf_get_pixels (px) + y * rowstride + x * n_channels;
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p[0] = p[1] = p[2] = 0; p[3] = 0xff;
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if (x && y && y % CHECK_SIZE && x % CHECK_SIZE)
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{
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if (x % CHECK_SIZE == 1)
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{
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if (++i > 3)
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i = 0;
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}
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p[i] = 0xff;
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}
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}
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}
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return px;
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}
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#define SPIN() while (g_main_context_pending (NULL)) \
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g_main_context_iteration (NULL, FALSE);
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int
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main (int argc, char *argv[])
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{
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ClutterActor *texture;
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ClutterActor *stage;
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GdkPixbuf *pixbuf;
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gint i, j, cols, rows;
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clutter_init (&argc, &argv);
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stage = clutter_stage_get_default ();
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clutter_actor_show_all (CLUTTER_ACTOR (stage));
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SPIN();
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for (i=100; i<5000; i += 100)
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for (j=0; j<4; j++)
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{
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pixbuf = make_pixbuf (i+j, i+j, 4, TRUE);
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if (!pixbuf)
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g_error("%ix%i pixbuf creation failed", i+j, i+j);
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printf("o %ix%i pixbuf... ", i+j, i+j);
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texture = clutter_texture_new_from_pixbuf (pixbuf);
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g_object_unref (pixbuf);
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if (!texture)
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g_error("Pixbuf creation failed");
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printf("uploaded to texture... ");
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clutter_container_add (CLUTTER_CONTAINER (stage), texture, NULL);
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clutter_actor_set_size (texture, 400, 400);
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clutter_actor_show (texture);
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/* Hide & show to unreaise then realise the texture */
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clutter_actor_hide (texture);
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clutter_actor_show (texture);
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clutter_texture_get_n_tiles(CLUTTER_TEXTURE(texture), &cols, &rows);
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printf("with tiles: %i x %i\n", cols, rows);
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SPIN();
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clutter_container_remove (CLUTTER_CONTAINER (stage), texture, NULL);
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}
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return 0;
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}
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