int main(int argc, char **argv)
{
GeglTile *tile;
GeglBuffer *buf_a, *buf_b, *buf_small_lin, *buf_big_lin;
gpointer shared_data = NULL;
gboolean result = TRUE;
gpointer scratch_data;
GeglRectangle buffer_rect = *GEGL_RECTANGLE(0, 0, 128, 128);
gegl_init (&argc, &argv);
buf_a = gegl_buffer_new (&buffer_rect, babl_format("RGBA u8"));
buf_b = gegl_buffer_new (&buffer_rect, babl_format("RGBA u8"));
buf_small_lin = gegl_buffer_linear_new (&buffer_rect, babl_format("RGBA float"));
buf_big_lin = gegl_buffer_linear_new (GEGL_RECTANGLE(0, 0, 1024, 1024), babl_format("RGBA float"));
tile = gegl_tile_source_get_tile (GEGL_TILE_SOURCE (buf_a), 0, 0, 0);
shared_data = gegl_tile_get_data(tile);
gegl_tile_unref (tile);
if (!assert_is_empty (buf_a, 0, 0, shared_data))
result = FALSE;
if (!assert_is_empty (buf_b, 0, 1, shared_data))
result = FALSE;
if (!assert_is_empty (buf_a, 0, 0, shared_data))
result = FALSE;
if (!assert_is_empty (buf_b, 0, 1, shared_data))
result = FALSE;
if (!assert_is_empty (buf_small_lin, 0, 0, shared_data))
result = FALSE;
if (!assert_is_unshared (buf_big_lin, 0, 0, shared_data))
result = FALSE;
scratch_data = gegl_malloc(4 * buffer_rect.width * buffer_rect.height);
gegl_buffer_get (buf_a, &buffer_rect, 1.0, babl_format("RGBA u8"), scratch_data, 0, GEGL_ABYSS_NONE);
gegl_buffer_get (buf_b, &buffer_rect, 1.0, babl_format("RGBA u8"), scratch_data, 0, GEGL_ABYSS_NONE);
gegl_buffer_get (buf_small_lin, &buffer_rect, 1.0, babl_format("RGBA u8"), scratch_data, 0, GEGL_ABYSS_NONE);
gegl_buffer_get (buf_big_lin, &buffer_rect, 1.0, babl_format("RGBA u8"), scratch_data, 0, GEGL_ABYSS_NONE);
gegl_free (scratch_data);
g_object_unref(buf_a);
g_object_unref(buf_b);
g_object_unref(buf_small_lin);
g_object_unref(buf_big_lin);
gegl_exit();
if (result)
return SUCCESS;
return FAILURE;
}
TEST ()
{
GeglBuffer *buffer;
GeglRectangle extent = {0,0,40,20};
GeglRectangle roi = {1,1,30,10};
test_start();
buffer = gegl_buffer_linear_new (&extent, babl_format ("Y float"));
fill_rect (buffer, &roi, 0.5);
roi.y+=3;
roi.x+=20;
{
gint rowstride;
gfloat *buf;
gint x, y, i;
buf = (gpointer)gegl_buffer_linear_open (buffer, &extent, &rowstride, NULL);
g_assert (buf);
i=0;
for (y=0;y<extent.height;y++)
for (x=0;x<extent.width;x++)
{
buf[i++]= ((x+y)*1.0) / extent.width;
}
gegl_buffer_linear_close (buffer, buf);
}
fill_rect (buffer, &roi, 0.2);
print_buffer (buffer);
g_object_unref (buffer);
test_end ();
}
TEST ()
{
GeglBuffer *buffer;
GeglRectangle extent = {0,0,40,20};
GeglRectangle roi = {1,1,30,10};
test_start();
g_print ("foo!\n");
buffer = gegl_buffer_linear_new (&extent, babl_format ("Y float"));
fill_rect (buffer, &roi, 0.5);
roi.y+=3;
roi.x+=20;
fill_rect (buffer, &roi, 0.2);
print_buffer (buffer);
g_object_unref (buffer);
test_end ();
}
GeglBuffer *
gegl_operation_context_get_target (GeglOperationContext *context,
const gchar *padname)
{
GeglBuffer *output;
const GeglRectangle *result;
const Babl *format;
GeglNode *node;
GeglOperation *operation;
static gint linear_buffers = -1;
#if 0
g_return_val_if_fail (GEGL_IS_OPERATION_CONTEXT (context), NULL);
#endif
if (linear_buffers == -1)
linear_buffers = g_getenv ("GEGL_LINEAR_BUFFERS")?1:0;
operation = context->operation;
node = operation->node; /* <ick */
format = gegl_operation_get_format (operation, padname);
if (format == NULL)
{
g_warning ("no format for %s presuming RGBA float\n",
gegl_node_get_debug_name (node));
format = gegl_babl_rgba_linear_float ();
}
g_assert (format != NULL);
g_assert (!strcmp (padname, "output"));
result = &context->result_rect;
if (result->width == 0 ||
result->height == 0)
{
if (linear_buffers)
output = gegl_buffer_linear_new (GEGL_RECTANGLE(0, 0, 0, 0), format);
else
output = gegl_buffer_new (GEGL_RECTANGLE (0, 0, 0, 0), format);
}
else if (node->dont_cache == FALSE &&
! GEGL_OPERATION_CLASS (G_OBJECT_GET_CLASS (operation))->no_cache)
{
GeglBuffer *cache;
cache = GEGL_BUFFER (gegl_node_get_cache (node));
/* Only use the cache if the result is within the cache
* extent. This is certainly not optimal. My gut feeling is that
* the current caching mechanism needs to be redesigned
*/
if (gegl_rectangle_contains (gegl_buffer_get_extent (cache), result))
{
output = g_object_ref (cache);
}
else
{
if (linear_buffers)
output = gegl_buffer_linear_new (result, format);
else
output = gegl_buffer_new (result, format);
}
}
else
{
if (linear_buffers)
output = gegl_buffer_linear_new (result, format);
else
output = gegl_buffer_new (result, format);
}
gegl_operation_context_take_object (context, padname, G_OBJECT (output));
return output;
}