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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <cairo.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gegl/gimp-babl.h"
#include "gegl/gimp-gegl-loops.h"
#include "gimpbuffer.h"
#include "gimpimage.h"
#include "gimpimage-color-profile.h"
#include "gimplayer.h"
#include "gimplayer-new.h"
/* local function prototypes */
static void gimp_layer_new_convert_buffer (GimpLayer *layer,
GeglBuffer *src_buffer,
GimpColorProfile *src_profile,
GError **error);
/* public functions */
GimpLayer *
gimp_layer_new (GimpImage *image,
gint width,
gint height,
const Babl *format,
const gchar *name,
gdouble opacity,
GimpLayerMode mode)
{
GimpLayer *layer;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (width > 0, NULL);
g_return_val_if_fail (height > 0, NULL);
g_return_val_if_fail (format != NULL, NULL);
layer = GIMP_LAYER (gimp_drawable_new (GIMP_TYPE_LAYER,
image, name,
0, 0, width, height,
format));
gimp_layer_set_opacity (layer, opacity, FALSE);
gimp_layer_set_mode (layer, mode, FALSE);
return layer;
}
/**
* gimp_layer_new_from_buffer:
* @buffer: The buffer to make the new layer from.
* @dest_image: The image the new layer will be added to.
* @format: The #Babl format of the new layer.
* @name: The new layer's name.
* @opacity: The new layer's opacity.
* @mode: The new layer's mode.
*
* Copies %buffer to a layer taking into consideration the
* possibility of transforming the contents to meet the requirements
* of the target image type
*
* Return value: The new layer.
**/
GimpLayer *
gimp_layer_new_from_buffer (GimpBuffer *buffer,
GimpImage *dest_image,
const Babl *format,
const gchar *name,
gdouble opacity,
GimpLayerMode mode)
{
g_return_val_if_fail (GIMP_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (GIMP_IS_IMAGE (dest_image), NULL);
g_return_val_if_fail (format != NULL, NULL);
return gimp_layer_new_from_gegl_buffer (gimp_buffer_get_buffer (buffer),
dest_image, format,
name, opacity, mode,
gimp_buffer_get_color_profile (buffer));
}
/**
* gimp_layer_new_from_gegl_buffer:
* @buffer: The buffer to make the new layer from.
* @dest_image: The image the new layer will be added to.
* @format: The #Babl format of the new layer.
* @name: The new layer's name.
* @opacity: The new layer's opacity.
* @mode: The new layer's mode.
*
* Copies %buffer to a layer taking into consideration the
* possibility of transforming the contents to meet the requirements
* of the target image type
*
* Return value: The new layer.
**/
GimpLayer *
gimp_layer_new_from_gegl_buffer (GeglBuffer *buffer,
GimpImage *dest_image,
const Babl *format,
const gchar *name,
gdouble opacity,
GimpLayerMode mode,
GimpColorProfile *buffer_profile)
{
GimpLayer *layer;
const GeglRectangle *extent;
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (GIMP_IS_IMAGE (dest_image), NULL);
g_return_val_if_fail (format != NULL, NULL);
g_return_val_if_fail (buffer_profile == NULL ||
GIMP_IS_COLOR_PROFILE (buffer_profile), NULL);
extent = gegl_buffer_get_extent (buffer);
/* do *not* use the buffer's format because this function gets
* buffers of any format passed, and converts them
*/
layer = gimp_layer_new (dest_image,
extent->width, extent->height,
format,
name, opacity, mode);
if (extent->x != 0 || extent->y != 0)
gimp_item_translate (GIMP_ITEM (layer), extent->x, extent->y, FALSE);
gimp_layer_new_convert_buffer (layer, buffer, buffer_profile, NULL);
return layer;
}
/**
* gimp_layer_new_from_pixbuf:
* @pixbuf: The pixbuf to make the new layer from.
* @dest_image: The image the new layer will be added to.
* @format: The #Babl format of the new layer.
* @name: The new layer's name.
* @opacity: The new layer's opacity.
* @mode: The new layer's mode.
*
* Copies %pixbuf to a layer taking into consideration the
* possibility of transforming the contents to meet the requirements
* of the target image type
*
* Return value: The new layer.
**/
GimpLayer *
gimp_layer_new_from_pixbuf (GdkPixbuf *pixbuf,
GimpImage *dest_image,
const Babl *format,
const gchar *name,
gdouble opacity,
GimpLayerMode mode)
{
GimpLayer *layer;
GeglBuffer *buffer;
guint8 *icc_data;
gsize icc_len;
GimpColorProfile *profile = NULL;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
g_return_val_if_fail (GIMP_IS_IMAGE (dest_image), NULL);
g_return_val_if_fail (format != NULL, NULL);
layer = gimp_layer_new (dest_image,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
format, name, opacity, mode);
buffer = gimp_pixbuf_create_buffer (pixbuf);
icc_data = gimp_pixbuf_get_icc_profile (pixbuf, &icc_len);
if (icc_data)
{
profile = gimp_color_profile_new_from_icc_profile (icc_data, icc_len,
NULL);
g_free (icc_data);
}
gimp_layer_new_convert_buffer (layer, buffer, profile, NULL);
if (profile)
g_object_unref (profile);
g_object_unref (buffer);
return layer;
}
/* private functions */
static void
gimp_layer_new_convert_buffer (GimpLayer *layer,
GeglBuffer *src_buffer,
GimpColorProfile *src_profile,
GError **error)
{
GimpDrawable *drawable = GIMP_DRAWABLE (layer);
GimpImage *image = gimp_item_get_image (GIMP_ITEM (layer));
GeglBuffer *dest_buffer = gimp_drawable_get_buffer (drawable);
GimpColorProfile *dest_profile;
if (! gimp_image_get_is_color_managed (image))
{
gimp_gegl_buffer_copy (src_buffer, NULL, GEGL_ABYSS_NONE,
dest_buffer, NULL);
return;
}
if (! src_profile)
{
const Babl *src_format = gegl_buffer_get_format (src_buffer);
src_profile = gimp_babl_format_get_color_profile (src_format);
}
dest_profile =
gimp_color_managed_get_color_profile (GIMP_COLOR_MANAGED (layer));
gimp_gegl_convert_color_profile (src_buffer, NULL, src_profile,
dest_buffer, NULL, dest_profile,
GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
TRUE, NULL);
}
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