static void
gimp_pattern_clipboard_buffer_changed (Gimp *gimp,
GimpPattern *pattern)
{
if (pattern->mask)
{
temp_buf_free (pattern->mask);
pattern->mask = NULL;
}
if (gimp->global_buffer)
{
gint width;
gint height;
gint bytes;
PixelRegion bufferPR;
PixelRegion maskPR;
width = MIN (gimp_buffer_get_width (gimp->global_buffer), 2048);
height = MIN (gimp_buffer_get_height (gimp->global_buffer), 2048);
bytes = gimp_buffer_get_bytes (gimp->global_buffer);
pattern->mask = temp_buf_new (width, height, bytes, 0, 0, NULL);
pixel_region_init (&bufferPR,
gimp_buffer_get_tiles (gimp->global_buffer),
0, 0, width, height, FALSE);
pixel_region_init_temp_buf (&maskPR, pattern->mask,
0, 0, width, height);
copy_region (&bufferPR, &maskPR);
}
else
{
guchar color[3] = { 255, 255, 255 };
pattern->mask = temp_buf_new (16, 16, 3, 0, 0, color);
}
gimp_data_dirty (GIMP_DATA (pattern));
}
static void
gimp_brush_clipboard_buffer_changed (Gimp *gimp,
GimpBrush *brush)
{
gint width;
gint height;
if (brush->mask)
{
temp_buf_free (brush->mask);
brush->mask = NULL;
}
if (brush->pixmap)
{
temp_buf_free (brush->pixmap);
brush->pixmap = NULL;
}
if (gimp->global_buffer)
{
TileManager *tiles = gimp_buffer_get_tiles (gimp->global_buffer);
GimpImageType type = gimp_buffer_get_image_type (gimp->global_buffer);
width = MIN (gimp_buffer_get_width (gimp->global_buffer), 1024);
height = MIN (gimp_buffer_get_height (gimp->global_buffer), 1024);
brush->mask = temp_buf_new (width, height, 1, 0, 0, NULL);
brush->pixmap = temp_buf_new (width, height, 3, 0, 0, NULL);
/* copy the alpha channel into the brush's mask */
if (GIMP_IMAGE_TYPE_HAS_ALPHA (type))
{
PixelRegion bufferPR;
PixelRegion maskPR;
pixel_region_init (&bufferPR, tiles,
0, 0, width, height, FALSE);
pixel_region_init_temp_buf (&maskPR, brush->mask,
0, 0, width, height);
extract_alpha_region (&bufferPR, NULL, &maskPR);
}
else
{
PixelRegion maskPR;
guchar opaque = OPAQUE_OPACITY;
pixel_region_init_temp_buf (&maskPR, brush->mask,
0, 0, width, height);
color_region (&maskPR, &opaque);
}
/* copy the color channels into the brush's pixmap */
if (GIMP_IMAGE_TYPE_IS_RGB (type))
{
PixelRegion bufferPR;
PixelRegion pixmapPR;
pixel_region_init (&bufferPR, tiles,
0, 0, width, height, FALSE);
pixel_region_init_temp_buf (&pixmapPR, brush->pixmap,
0, 0, width, height);
if (GIMP_IMAGE_TYPE_HAS_ALPHA (type))
copy_color (&bufferPR, &pixmapPR);
else
copy_region (&bufferPR, &pixmapPR);
}
else
{
PixelRegion bufferPR;
PixelRegion tempPR;
TempBuf *temp = temp_buf_new (width, height, 1, 0, 0, NULL);
pixel_region_init (&bufferPR, tiles,
0, 0, width, height, FALSE);
pixel_region_init_temp_buf (&tempPR, temp,
0, 0, width, height);
if (GIMP_IMAGE_TYPE_HAS_ALPHA (type))
copy_component (&bufferPR, &tempPR, 0);
else
copy_region (&bufferPR, &tempPR);
temp_buf_copy (temp, brush->pixmap);
temp_buf_free (temp);
}
}
else
{
guchar color = 0;
width = 17;
height = 17;
brush->mask = temp_buf_new (width, height, 1, 0, 0, &color);
}
brush->x_axis.x = width / 2;
brush->x_axis.y = 0;
brush->y_axis.x = 0;
brush->y_axis.y = height / 2;
gimp_data_dirty (GIMP_DATA (brush));
}
