static GimpTempBuf *
gimp_buffer_get_new_preview (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height)
{
GimpBuffer *buffer = GIMP_BUFFER (viewable);
const Babl *format = gimp_buffer_get_format (buffer);
GimpTempBuf *preview;
if (babl_format_is_palette (format))
format = gimp_babl_format (GIMP_RGB, GIMP_PRECISION_U8_GAMMA,
babl_format_has_alpha (format));
else
format = gimp_babl_format (gimp_babl_format_get_base_type (format),
gimp_babl_precision (GIMP_COMPONENT_TYPE_U8,
gimp_babl_format_get_linear (format)),
babl_format_has_alpha (format));
preview = gimp_temp_buf_new (width, height, format);
gegl_buffer_get (buffer->buffer, GEGL_RECTANGLE (0, 0, width, height),
MIN ((gdouble) width / (gdouble) gimp_buffer_get_width (buffer),
(gdouble) height / (gdouble) gimp_buffer_get_height (buffer)),
format,
gimp_temp_buf_get_data (preview),
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
return preview;
}
static GimpColorProfile *
gimp_buffer_color_managed_get_color_profile (GimpColorManaged *managed)
{
GimpBuffer *buffer = GIMP_BUFFER (managed);
if (buffer->color_profile)
return buffer->color_profile;
return gimp_babl_format_get_color_profile (gimp_buffer_get_format (buffer));
}
static void
gimp_pattern_clipboard_buffer_changed (Gimp *gimp,
GimpPattern *pattern)
{
if (pattern->mask)
{
gimp_temp_buf_unref (pattern->mask);
pattern->mask = NULL;
}
if (gimp->global_buffer)
{
GimpBuffer *buffer = gimp->global_buffer;
gint width;
gint height;
width = MIN (gimp_buffer_get_width (buffer), 2048);
height = MIN (gimp_buffer_get_height (buffer), 2048);
pattern->mask = gimp_temp_buf_new (width, height,
gimp_buffer_get_format (buffer));
gegl_buffer_get (gimp_buffer_get_buffer (buffer),
GEGL_RECTANGLE (0, 0, width, height), 1.0,
NULL,
gimp_temp_buf_get_data (pattern->mask),
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
}
else
{
pattern->mask = gimp_temp_buf_new (16, 16, babl_format ("R'G'B' u8"));
memset (gimp_temp_buf_get_data (pattern->mask), 255, 16 * 16 * 3);
}
gimp_data_dirty (GIMP_DATA (pattern));
}
static GdkPixbuf *
gimp_buffer_get_new_pixbuf (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height)
{
GimpBuffer *buffer = GIMP_BUFFER (viewable);
GdkPixbuf *pixbuf;
gdouble scale;
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
width, height);
scale = MIN ((gdouble) width / (gdouble) gimp_buffer_get_width (buffer),
(gdouble) height / (gdouble) gimp_buffer_get_height (buffer));
if (buffer->color_profile)
{
GimpColorProfile *srgb_profile;
GimpTempBuf *temp_buf;
GeglBuffer *src_buf;
GeglBuffer *dest_buf;
srgb_profile = gimp_color_profile_new_rgb_srgb ();
temp_buf = gimp_temp_buf_new (width, height,
gimp_buffer_get_format (buffer));
gegl_buffer_get (buffer->buffer,
GEGL_RECTANGLE (0, 0, width, height),
scale,
gimp_temp_buf_get_format (temp_buf),
gimp_temp_buf_get_data (temp_buf),
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP);
src_buf = gimp_temp_buf_create_buffer (temp_buf);
dest_buf = gimp_pixbuf_create_buffer (pixbuf);
gimp_temp_buf_unref (temp_buf);
gimp_gegl_convert_color_profile (src_buf,
GEGL_RECTANGLE (0, 0, width, height),
buffer->color_profile,
dest_buf,
GEGL_RECTANGLE (0, 0, 0, 0),
srgb_profile,
GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
TRUE,
NULL);
g_object_unref (src_buf);
g_object_unref (dest_buf);
g_object_unref (srgb_profile);
}
else
{
gegl_buffer_get (buffer->buffer,
GEGL_RECTANGLE (0, 0, width, height),
scale,
gimp_pixbuf_get_format (pixbuf),
gdk_pixbuf_get_pixels (pixbuf),
gdk_pixbuf_get_rowstride (pixbuf),
GEGL_ABYSS_CLAMP);
}
return pixbuf;
}
