Files
gimp/app/operations/layer-modes/gimp-layer-modes.c
Ell 23ae869f21 app: remove "Edit -> Fade..."
This commit completely removes the "Edit -> Fade..." feature,
because...

- The main reason is that "fade" requires us to keep two buffers,
  instead of one, for each fadeable undo step, doubling (or worse,
  since the extra buffer might have higher precision than the
  drawable) the space consumed by these steps.  This has notable
  impact when editing large images.  This overhead is incurred even
  when not actually using "fade", and since it seems to be very
  rarely used, this is too wasteful.

- "Fade" is broken in 2.10: when comitting a filter, we copy the
  cached parts of the result into the apply buffer.  However, the
  result cache sits after the mode node, while the apply buffer
  should contain the result of the filter *before* the mode node,
  which can lead to wrong results in the general case.

- The same behavior can be trivially achieved "manually", by
  duplicating the layer, editing the duplicate, and changing its
  opacity/mode.

- If we really want this feature, now that most filters are GEGL
  ops, it makes more sense to just add opacity/mode options to the
  filter tool, instead of having this be a separate step.

(cherry picked from commit ed7ea51fb7)
2018-12-27 11:45:11 -05:00

1487 lines
53 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimp-layer-modes.c
* Copyright (C) 2017 Michael Natterer <mitch@gimp.org>
* Øyvind Kolås <pippin@gimp.org>
*
* 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 <glib-object.h>
#include <gegl.h>
#include "../operations-types.h"
#include "gegl/gimp-babl.h"
#include "gimpoperationlayermode.h"
#include "gimpoperationlayermode-blend.h"
#include "gimp-layer-modes.h"
typedef struct _GimpLayerModeInfo GimpLayerModeInfo;
struct _GimpLayerModeInfo
{
GimpLayerMode layer_mode;
const gchar *op_name;
GimpLayerModeBlendFunc blend_function;
GimpLayerModeFlags flags;
GimpLayerModeContext context;
GimpLayerCompositeMode paint_composite_mode;
GimpLayerCompositeMode composite_mode;
GimpLayerColorSpace composite_space;
GimpLayerColorSpace blend_space;
};
/* static variables */
static const GimpLayerModeInfo layer_mode_infos[] =
{
{ GIMP_LAYER_MODE_NORMAL_LEGACY,
.op_name = "gimp:normal",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_DISSOLVE,
.op_name = "gimp:dissolve",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION
},
{ GIMP_LAYER_MODE_BEHIND_LEGACY,
.op_name = "gimp:behind",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_PAINT,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_MULTIPLY_LEGACY,
.op_name = "gimp:multiply-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_SCREEN_LEGACY,
.op_name = "gimp:screen-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_OVERLAY_LEGACY,
.op_name = "gimp:softlight-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_DIFFERENCE_LEGACY,
.op_name = "gimp:difference-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_ADDITION_LEGACY,
.op_name = "gimp:addition-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_SUBTRACT_LEGACY,
.op_name = "gimp:subtract-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY,
.op_name = "gimp:darken-only-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY,
.op_name = "gimp:lighten-only-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HSV_HUE_LEGACY,
.op_name = "gimp:hsv-hue-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HSV_SATURATION_LEGACY,
.op_name = "gimp:hsv-saturation-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HSL_COLOR_LEGACY,
.op_name = "gimp:hsl-color-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HSV_VALUE_LEGACY,
.op_name = "gimp:hsv-value-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_DIVIDE_LEGACY,
.op_name = "gimp:divide-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_DODGE_LEGACY,
.op_name = "gimp:dodge-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_BURN_LEGACY,
.op_name = "gimp:burn-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HARDLIGHT_LEGACY,
.op_name = "gimp:hardlight-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_SOFTLIGHT_LEGACY,
.op_name = "gimp:softlight-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY,
.op_name = "gimp:grain-extract-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY,
.op_name = "gimp:grain-merge-legacy",
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_COLOR_ERASE_LEGACY,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_color_erase,
.flags = GIMP_LAYER_MODE_FLAG_LEGACY |
GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_SUBTRACTIVE,
.context = GIMP_LAYER_MODE_CONTEXT_PAINT,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_OVERLAY,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_overlay,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_LCH_HUE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_lch_hue,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_LAB
},
{ GIMP_LAYER_MODE_LCH_CHROMA,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_lch_chroma,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_LAB
},
{ GIMP_LAYER_MODE_LCH_COLOR,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_lch_color,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_LAB
},
{ GIMP_LAYER_MODE_LCH_LIGHTNESS,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_lch_lightness,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_LAB
},
{ GIMP_LAYER_MODE_NORMAL,
.op_name = "gimp:normal",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_BEHIND,
.op_name = "gimp:behind",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_PAINT,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_MULTIPLY,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_multiply,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_SCREEN,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_screen,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_DIFFERENCE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_difference,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_ADDITION,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_addition,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_SUBTRACT,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_subtract,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_DARKEN_ONLY,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_darken_only,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
/* no blend_space: reuse composite space, no conversion thus fewer copies */
},
{ GIMP_LAYER_MODE_LIGHTEN_ONLY,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_lighten_only,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
/* no blend_space: reuse composite space, no conversion thus fewer copies */
},
{ GIMP_LAYER_MODE_HSV_HUE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_hsv_hue,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HSV_SATURATION,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_hsv_saturation,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HSL_COLOR,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_hsl_color,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HSV_VALUE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_hsv_value,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_DIVIDE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_divide,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_DODGE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_dodge,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_BURN,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_burn,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HARDLIGHT,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_hardlight,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_SOFTLIGHT,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_softlight,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_GRAIN_EXTRACT,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_grain_extract,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_GRAIN_MERGE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_grain_merge,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_VIVID_LIGHT,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_vivid_light,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_PIN_LIGHT,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_pin_light,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_LINEAR_LIGHT,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_linear_light,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_HARD_MIX,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_hard_mix,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_EXCLUSION,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_exclusion,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_LINEAR_BURN,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_linear_burn,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_LUMA_DARKEN_ONLY,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_luma_darken_only,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_LUMA_LIGHTEN_ONLY,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_luma_lighten_only,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL
},
{ GIMP_LAYER_MODE_LUMINANCE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_luminance,
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_COLOR_ERASE,
.op_name = "gimp:layer-mode",
.blend_function = gimp_operation_layer_mode_blend_color_erase,
.flags = GIMP_LAYER_MODE_FLAG_SUBTRACTIVE,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR,
.blend_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_ERASE,
.op_name = "gimp:erase",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_SUBTRACTIVE |
GIMP_LAYER_MODE_FLAG_ALPHA_ONLY |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_MERGE,
.op_name = "gimp:merge",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_SPLIT,
.op_name = "gimp:split",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_SUBTRACTIVE |
GIMP_LAYER_MODE_FLAG_ALPHA_ONLY |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.context = GIMP_LAYER_MODE_CONTEXT_ALL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP,
.composite_mode = GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP
},
{ GIMP_LAYER_MODE_PASS_THROUGH,
.op_name = "gimp:pass-through",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.context = GIMP_LAYER_MODE_CONTEXT_GROUP,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_REPLACE,
.op_name = "gimp:replace",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_TRIVIAL,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_space = GIMP_LAYER_COLOR_SPACE_RGB_LINEAR
},
{ GIMP_LAYER_MODE_ANTI_ERASE,
.op_name = "gimp:anti-erase",
.flags = GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE |
GIMP_LAYER_MODE_FLAG_ALPHA_ONLY,
.paint_composite_mode = GIMP_LAYER_COMPOSITE_UNION,
.composite_mode = GIMP_LAYER_COMPOSITE_UNION
}
};
static const GimpLayerMode layer_mode_group_default[] =
{
GIMP_LAYER_MODE_PASS_THROUGH,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_NORMAL,
GIMP_LAYER_MODE_REPLACE,
GIMP_LAYER_MODE_DISSOLVE,
GIMP_LAYER_MODE_BEHIND,
GIMP_LAYER_MODE_COLOR_ERASE,
GIMP_LAYER_MODE_ERASE,
GIMP_LAYER_MODE_ANTI_ERASE,
GIMP_LAYER_MODE_MERGE,
GIMP_LAYER_MODE_SPLIT,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_LIGHTEN_ONLY,
GIMP_LAYER_MODE_LUMA_LIGHTEN_ONLY,
GIMP_LAYER_MODE_SCREEN,
GIMP_LAYER_MODE_DODGE,
GIMP_LAYER_MODE_ADDITION,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_DARKEN_ONLY,
GIMP_LAYER_MODE_LUMA_DARKEN_ONLY,
GIMP_LAYER_MODE_MULTIPLY,
GIMP_LAYER_MODE_BURN,
GIMP_LAYER_MODE_LINEAR_BURN,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_OVERLAY,
GIMP_LAYER_MODE_SOFTLIGHT,
GIMP_LAYER_MODE_HARDLIGHT,
GIMP_LAYER_MODE_VIVID_LIGHT,
GIMP_LAYER_MODE_PIN_LIGHT,
GIMP_LAYER_MODE_LINEAR_LIGHT,
GIMP_LAYER_MODE_HARD_MIX,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_DIFFERENCE,
GIMP_LAYER_MODE_EXCLUSION,
GIMP_LAYER_MODE_SUBTRACT,
GIMP_LAYER_MODE_GRAIN_EXTRACT,
GIMP_LAYER_MODE_GRAIN_MERGE,
GIMP_LAYER_MODE_DIVIDE,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_HSV_HUE,
GIMP_LAYER_MODE_HSV_SATURATION,
GIMP_LAYER_MODE_HSL_COLOR,
GIMP_LAYER_MODE_HSV_VALUE,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_LCH_HUE,
GIMP_LAYER_MODE_LCH_CHROMA,
GIMP_LAYER_MODE_LCH_COLOR,
GIMP_LAYER_MODE_LCH_LIGHTNESS,
GIMP_LAYER_MODE_LUMINANCE
};
static const GimpLayerMode layer_mode_group_legacy[] =
{
GIMP_LAYER_MODE_NORMAL_LEGACY,
GIMP_LAYER_MODE_DISSOLVE,
GIMP_LAYER_MODE_BEHIND_LEGACY,
GIMP_LAYER_MODE_COLOR_ERASE_LEGACY,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY,
GIMP_LAYER_MODE_SCREEN_LEGACY,
GIMP_LAYER_MODE_DODGE_LEGACY,
GIMP_LAYER_MODE_ADDITION_LEGACY,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY,
GIMP_LAYER_MODE_MULTIPLY_LEGACY,
GIMP_LAYER_MODE_BURN_LEGACY,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_OVERLAY,
GIMP_LAYER_MODE_SOFTLIGHT_LEGACY,
GIMP_LAYER_MODE_HARDLIGHT_LEGACY,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_DIFFERENCE_LEGACY,
GIMP_LAYER_MODE_SUBTRACT_LEGACY,
GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY,
GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY,
GIMP_LAYER_MODE_DIVIDE_LEGACY,
GIMP_LAYER_MODE_SEPARATOR,
GIMP_LAYER_MODE_HSV_HUE_LEGACY,
GIMP_LAYER_MODE_HSV_SATURATION_LEGACY,
GIMP_LAYER_MODE_HSL_COLOR_LEGACY,
GIMP_LAYER_MODE_HSV_VALUE_LEGACY
};
static const GimpLayerMode layer_mode_groups[][2] =
{
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_NORMAL,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_NORMAL_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_DISSOLVE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_DISSOLVE
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_BEHIND,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_BEHIND_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_MULTIPLY,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_MULTIPLY_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_SCREEN,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_SCREEN_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_OVERLAY,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_DIFFERENCE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_DIFFERENCE_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_ADDITION,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_ADDITION_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_SUBTRACT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_SUBTRACT_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_DARKEN_ONLY,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_LIGHTEN_ONLY,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_HSV_HUE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_HSV_HUE_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_HSV_SATURATION,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_HSV_SATURATION_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_HSL_COLOR,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_HSL_COLOR_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_HSV_VALUE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_HSV_VALUE_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_DIVIDE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_DIVIDE_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_DODGE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_DODGE_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_BURN,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_BURN_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_HARDLIGHT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_HARDLIGHT_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_SOFTLIGHT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_SOFTLIGHT_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_GRAIN_EXTRACT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_GRAIN_MERGE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_COLOR_ERASE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = GIMP_LAYER_MODE_COLOR_ERASE_LEGACY,
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_VIVID_LIGHT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_PIN_LIGHT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_LINEAR_LIGHT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_HARD_MIX,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_EXCLUSION,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_LINEAR_BURN,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_LUMA_DARKEN_ONLY,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_LUMA_LIGHTEN_ONLY,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_LUMINANCE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_ERASE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_MERGE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_SPLIT,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_PASS_THROUGH,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1,
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_REPLACE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
},
{ [GIMP_LAYER_MODE_GROUP_DEFAULT] = GIMP_LAYER_MODE_ANTI_ERASE,
[GIMP_LAYER_MODE_GROUP_LEGACY ] = -1
}
};
/* public functions */
void
gimp_layer_modes_init (void)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (layer_mode_infos); i++)
{
gimp_assert ((GimpLayerMode) i == layer_mode_infos[i].layer_mode);
}
}
static const GimpLayerModeInfo *
gimp_layer_mode_info (GimpLayerMode mode)
{
g_return_val_if_fail (mode >= 0 && mode < G_N_ELEMENTS (layer_mode_infos),
&layer_mode_infos[0]);
return &layer_mode_infos[mode];
}
gboolean
gimp_layer_mode_is_legacy (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return FALSE;
return (info->flags & GIMP_LAYER_MODE_FLAG_LEGACY) != 0;
}
gboolean
gimp_layer_mode_is_blend_space_mutable (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return FALSE;
return (info->flags & GIMP_LAYER_MODE_FLAG_BLEND_SPACE_IMMUTABLE) == 0;
}
gboolean
gimp_layer_mode_is_composite_space_mutable (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return FALSE;
return (info->flags & GIMP_LAYER_MODE_FLAG_COMPOSITE_SPACE_IMMUTABLE) == 0;
}
gboolean
gimp_layer_mode_is_composite_mode_mutable (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return FALSE;
return (info->flags & GIMP_LAYER_MODE_FLAG_COMPOSITE_MODE_IMMUTABLE) == 0;
}
gboolean
gimp_layer_mode_is_subtractive (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return FALSE;
return (info->flags & GIMP_LAYER_MODE_FLAG_SUBTRACTIVE) != 0;
}
gboolean
gimp_layer_mode_is_alpha_only (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return FALSE;
return (info->flags & GIMP_LAYER_MODE_FLAG_ALPHA_ONLY) != 0;
}
gboolean
gimp_layer_mode_is_trivial (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return FALSE;
return (info->flags & GIMP_LAYER_MODE_FLAG_TRIVIAL) != 0;
}
GimpLayerColorSpace
gimp_layer_mode_get_blend_space (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
return info->blend_space;
}
GimpLayerColorSpace
gimp_layer_mode_get_composite_space (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
return info->composite_space;
}
GimpLayerCompositeMode
gimp_layer_mode_get_composite_mode (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return GIMP_LAYER_COMPOSITE_UNION;
return info->composite_mode;
}
GimpLayerCompositeMode
gimp_layer_mode_get_paint_composite_mode (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return GIMP_LAYER_COMPOSITE_UNION;
return info->paint_composite_mode;
}
const gchar *
gimp_layer_mode_get_operation (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return "gimp:layer-mode";
return info->op_name;
}
GimpLayerModeFunc
gimp_layer_mode_get_function (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
static GimpLayerModeFunc funcs[G_N_ELEMENTS (layer_mode_infos)];
if (! info)
info = layer_mode_infos;
mode = info - layer_mode_infos;
if (! funcs[mode])
{
GeglNode *node;
GeglOperation *operation;
node = gegl_node_new_child (NULL,
"operation", info->op_name,
NULL);
operation = gegl_node_get_gegl_operation (node);
funcs[mode] = GIMP_OPERATION_LAYER_MODE_GET_CLASS (operation)->process;
g_object_unref (node);
}
return funcs[mode];
}
GimpLayerModeBlendFunc
gimp_layer_mode_get_blend_function (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return NULL;
return info->blend_function;
}
GimpLayerModeContext
gimp_layer_mode_get_context (GimpLayerMode mode)
{
const GimpLayerModeInfo *info = gimp_layer_mode_info (mode);
if (! info)
return 0;
return info->context;
}
GimpLayerMode *
gimp_layer_mode_get_context_array (GimpLayerMode mode,
GimpLayerModeContext context,
gint *n_modes)
{
GimpLayerModeGroup group;
const GimpLayerMode *group_modes;
gint n_group_modes;
GimpLayerMode *array;
gint i;
group = gimp_layer_mode_get_group (mode);
group_modes = gimp_layer_mode_get_group_array (group, &n_group_modes);
array = g_new0 (GimpLayerMode, n_group_modes);
*n_modes = 0;
for (i = 0; i < n_group_modes; i++)
{
if (group_modes[i] != GIMP_LAYER_MODE_SEPARATOR &&
(gimp_layer_mode_get_context (group_modes[i]) & context))
{
array[*n_modes] = group_modes[i];
(*n_modes)++;
}
}
return array;
}
static gboolean
is_mode_in_array (const GimpLayerMode *modes,
gint n_modes,
GimpLayerMode mode)
{
gint i;
for (i = 0; i < n_modes; i++)
{
if (modes[i] == mode)
return TRUE;
}
return FALSE;
}
GimpLayerModeGroup
gimp_layer_mode_get_group (GimpLayerMode mode)
{
if (is_mode_in_array (layer_mode_group_default,
G_N_ELEMENTS (layer_mode_group_default), mode))
{
return GIMP_LAYER_MODE_GROUP_DEFAULT;
}
else if (is_mode_in_array (layer_mode_group_legacy,
G_N_ELEMENTS (layer_mode_group_legacy), mode))
{
return GIMP_LAYER_MODE_GROUP_LEGACY;
}
return GIMP_LAYER_MODE_GROUP_DEFAULT;
}
const GimpLayerMode *
gimp_layer_mode_get_group_array (GimpLayerModeGroup group,
gint *n_modes)
{
g_return_val_if_fail (n_modes != NULL, NULL);
switch (group)
{
case GIMP_LAYER_MODE_GROUP_DEFAULT:
*n_modes = G_N_ELEMENTS (layer_mode_group_default);
return layer_mode_group_default;
case GIMP_LAYER_MODE_GROUP_LEGACY:
*n_modes = G_N_ELEMENTS (layer_mode_group_legacy);
return layer_mode_group_legacy;
default:
g_return_val_if_reached (NULL);
}
}
gboolean
gimp_layer_mode_get_for_group (GimpLayerMode old_mode,
GimpLayerModeGroup new_group,
GimpLayerMode *new_mode)
{
gint i;
g_return_val_if_fail (new_mode != NULL, FALSE);
for (i = 0; i < G_N_ELEMENTS (layer_mode_groups); i++)
{
if (is_mode_in_array (layer_mode_groups[i], 2, old_mode))
{
*new_mode = layer_mode_groups[i][new_group];
if (*new_mode != -1)
return TRUE;
return FALSE;
}
}
*new_mode = -1;
return FALSE;
}
const Babl *
gimp_layer_mode_get_format (GimpLayerMode mode,
GimpLayerColorSpace composite_space,
GimpLayerColorSpace blend_space,
const Babl *preferred_format)
{
/* for now, all modes perform i/o in the composite space. */
(void) mode;
(void) blend_space;
if (composite_space == GIMP_LAYER_COLOR_SPACE_AUTO)
composite_space = gimp_layer_mode_get_composite_space (mode);
switch (composite_space)
{
case GIMP_LAYER_COLOR_SPACE_AUTO:
/* compositing is color-space agnostic. return a format that has a fast
* conversion path to/from the preferred format.
*/
if (! preferred_format || gimp_babl_format_get_linear (preferred_format))
return babl_format ("RGBA float");
else
return babl_format ("R'G'B'A float");
case GIMP_LAYER_COLOR_SPACE_RGB_LINEAR:
return babl_format ("RGBA float");
case GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL:
return babl_format ("R'G'B'A float");
case GIMP_LAYER_COLOR_SPACE_LAB:
return babl_format ("CIE Lab alpha float");
}
g_return_val_if_reached (babl_format ("RGBA float"));
}
GimpLayerCompositeRegion
gimp_layer_mode_get_included_region (GimpLayerMode mode,
GimpLayerCompositeMode composite_mode)
{
if (composite_mode == GIMP_LAYER_COMPOSITE_AUTO)
composite_mode = gimp_layer_mode_get_composite_mode (mode);
switch (composite_mode)
{
case GIMP_LAYER_COMPOSITE_UNION:
return GIMP_LAYER_COMPOSITE_REGION_UNION;
case GIMP_LAYER_COMPOSITE_CLIP_TO_BACKDROP:
return GIMP_LAYER_COMPOSITE_REGION_DESTINATION;
case GIMP_LAYER_COMPOSITE_CLIP_TO_LAYER:
return GIMP_LAYER_COMPOSITE_REGION_SOURCE;
case GIMP_LAYER_COMPOSITE_INTERSECTION:
return GIMP_LAYER_COMPOSITE_REGION_INTERSECTION;
default:
g_return_val_if_reached (GIMP_LAYER_COMPOSITE_REGION_INTERSECTION);
}
}