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gimp/app/core/gimp-layer-modes.c

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/* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib-object.h>
#include "core-types.h"
#include "gimp-layer-modes.h"
gboolean
gimp_layer_mode_is_legacy (GimpLayerMode mode)
{
switch (mode)
{
case GIMP_LAYER_MODE_MULTIPLY_LEGACY:
case GIMP_LAYER_MODE_SCREEN_LEGACY:
case GIMP_LAYER_MODE_OVERLAY_LEGACY:
case GIMP_LAYER_MODE_DIFFERENCE_LEGACY:
case GIMP_LAYER_MODE_ADDITION_LEGACY:
case GIMP_LAYER_MODE_SUBTRACT_LEGACY:
case GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_HSV_HUE_LEGACY:
case GIMP_LAYER_MODE_HSV_SATURATION_LEGACY:
case GIMP_LAYER_MODE_HSV_COLOR_LEGACY:
case GIMP_LAYER_MODE_HSV_VALUE_LEGACY:
case GIMP_LAYER_MODE_DIVIDE_LEGACY:
case GIMP_LAYER_MODE_DODGE_LEGACY:
case GIMP_LAYER_MODE_BURN_LEGACY:
case GIMP_LAYER_MODE_HARDLIGHT_LEGACY:
case GIMP_LAYER_MODE_SOFTLIGHT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY:
return TRUE;
default:
break;
}
return FALSE;
}
gboolean
gimp_layer_mode_is_linear (GimpLayerMode mode)
{
switch (mode)
{
case GIMP_LAYER_MODE_NORMAL:
return FALSE;
case GIMP_LAYER_MODE_DISSOLVE:
return TRUE;
case GIMP_LAYER_MODE_BEHIND:
return FALSE;
case GIMP_LAYER_MODE_MULTIPLY_LEGACY:
case GIMP_LAYER_MODE_SCREEN_LEGACY:
case GIMP_LAYER_MODE_OVERLAY_LEGACY:
case GIMP_LAYER_MODE_DIFFERENCE_LEGACY:
case GIMP_LAYER_MODE_ADDITION_LEGACY:
case GIMP_LAYER_MODE_SUBTRACT_LEGACY:
case GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_HSV_HUE_LEGACY:
case GIMP_LAYER_MODE_HSV_SATURATION_LEGACY:
case GIMP_LAYER_MODE_HSV_COLOR_LEGACY:
case GIMP_LAYER_MODE_HSV_VALUE_LEGACY:
case GIMP_LAYER_MODE_DIVIDE_LEGACY:
case GIMP_LAYER_MODE_DODGE_LEGACY:
case GIMP_LAYER_MODE_BURN_LEGACY:
case GIMP_LAYER_MODE_HARDLIGHT_LEGACY:
case GIMP_LAYER_MODE_SOFTLIGHT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY:
return FALSE;
case GIMP_LAYER_MODE_COLOR_ERASE:
return FALSE;
case GIMP_LAYER_MODE_OVERLAY:
return TRUE;
case GIMP_LAYER_MODE_LCH_HUE:
case GIMP_LAYER_MODE_LCH_CHROMA:
case GIMP_LAYER_MODE_LCH_COLOR:
case GIMP_LAYER_MODE_LCH_LIGHTNESS:
return TRUE;
case GIMP_LAYER_MODE_NORMAL_LINEAR:
return TRUE;
case GIMP_LAYER_MODE_MULTIPLY:
case GIMP_LAYER_MODE_SCREEN:
case GIMP_LAYER_MODE_DIFFERENCE:
case GIMP_LAYER_MODE_ADDITION:
case GIMP_LAYER_MODE_SUBTRACT:
case GIMP_LAYER_MODE_DARKEN_ONLY:
case GIMP_LAYER_MODE_LIGHTEN_ONLY:
case GIMP_LAYER_MODE_HSV_HUE:
case GIMP_LAYER_MODE_HSV_SATURATION:
case GIMP_LAYER_MODE_HSV_COLOR:
case GIMP_LAYER_MODE_HSV_VALUE:
case GIMP_LAYER_MODE_DIVIDE:
case GIMP_LAYER_MODE_DODGE:
case GIMP_LAYER_MODE_BURN:
case GIMP_LAYER_MODE_HARDLIGHT:
case GIMP_LAYER_MODE_SOFTLIGHT:
case GIMP_LAYER_MODE_GRAIN_EXTRACT:
case GIMP_LAYER_MODE_GRAIN_MERGE:
case GIMP_LAYER_MODE_VIVID_LIGHT:
case GIMP_LAYER_MODE_PIN_LIGHT:
case GIMP_LAYER_MODE_LINEAR_LIGHT:
case GIMP_LAYER_MODE_EXCLUSION:
case GIMP_LAYER_MODE_LINEAR_BURN:
return TRUE;
case GIMP_LAYER_MODE_BEHIND_LINEAR:
case GIMP_LAYER_MODE_MULTIPLY_LINEAR:
case GIMP_LAYER_MODE_SCREEN_LINEAR:
case GIMP_LAYER_MODE_OVERLAY_LINEAR:
case GIMP_LAYER_MODE_DIFFERENCE_LINEAR:
case GIMP_LAYER_MODE_ADDITION_LINEAR:
case GIMP_LAYER_MODE_SUBTRACT_LINEAR:
case GIMP_LAYER_MODE_DIVIDE_LINEAR:
case GIMP_LAYER_MODE_DODGE_LINEAR:
case GIMP_LAYER_MODE_BURN_LINEAR:
case GIMP_LAYER_MODE_HARDLIGHT_LINEAR:
case GIMP_LAYER_MODE_SOFTLIGHT_LINEAR:
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LINEAR:
case GIMP_LAYER_MODE_GRAIN_MERGE_LINEAR:
case GIMP_LAYER_MODE_VIVID_LIGHT_LINEAR:
case GIMP_LAYER_MODE_PIN_LIGHT_LINEAR:
case GIMP_LAYER_MODE_LINEAR_LIGHT_LINEAR:
case GIMP_LAYER_MODE_EXCLUSION_LINEAR:
case GIMP_LAYER_MODE_LINEAR_BURN_LINEAR:
return TRUE;
case GIMP_LAYER_MODE_ERASE:
case GIMP_LAYER_MODE_REPLACE:
case GIMP_LAYER_MODE_ANTI_ERASE:
return TRUE;
}
return TRUE;
}
GimpLayerColorSpace
gimp_layer_mode_get_blend_space (GimpLayerMode mode)
{
switch (mode)
{
case GIMP_LAYER_MODE_NORMAL:
return GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL;
case GIMP_LAYER_MODE_DISSOLVE:
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
case GIMP_LAYER_MODE_BEHIND:
return GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL;
case GIMP_LAYER_MODE_MULTIPLY_LEGACY:
case GIMP_LAYER_MODE_SCREEN_LEGACY:
case GIMP_LAYER_MODE_OVERLAY_LEGACY:
case GIMP_LAYER_MODE_DIFFERENCE_LEGACY:
case GIMP_LAYER_MODE_ADDITION_LEGACY:
case GIMP_LAYER_MODE_SUBTRACT_LEGACY:
case GIMP_LAYER_MODE_HSV_HUE_LEGACY:
case GIMP_LAYER_MODE_HSV_SATURATION_LEGACY:
case GIMP_LAYER_MODE_HSV_COLOR_LEGACY:
case GIMP_LAYER_MODE_HSV_VALUE_LEGACY:
case GIMP_LAYER_MODE_DIVIDE_LEGACY:
case GIMP_LAYER_MODE_DODGE_LEGACY:
case GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_BURN_LEGACY:
case GIMP_LAYER_MODE_HARDLIGHT_LEGACY:
case GIMP_LAYER_MODE_SOFTLIGHT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY:
return GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL;
case GIMP_LAYER_MODE_COLOR_ERASE:
case GIMP_LAYER_MODE_OVERLAY:
return GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL;
case GIMP_LAYER_MODE_LCH_HUE:
case GIMP_LAYER_MODE_LCH_CHROMA:
case GIMP_LAYER_MODE_LCH_COLOR:
case GIMP_LAYER_MODE_LCH_LIGHTNESS:
return GIMP_LAYER_COLOR_SPACE_LAB;
case GIMP_LAYER_MODE_NORMAL_LINEAR:
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
case GIMP_LAYER_MODE_MULTIPLY:
case GIMP_LAYER_MODE_SCREEN:
case GIMP_LAYER_MODE_DIFFERENCE:
case GIMP_LAYER_MODE_ADDITION:
case GIMP_LAYER_MODE_SUBTRACT:
case GIMP_LAYER_MODE_HSV_HUE:
case GIMP_LAYER_MODE_HSV_SATURATION:
case GIMP_LAYER_MODE_HSV_COLOR:
case GIMP_LAYER_MODE_HSV_VALUE:
case GIMP_LAYER_MODE_DIVIDE:
case GIMP_LAYER_MODE_DODGE:
case GIMP_LAYER_MODE_BURN:
case GIMP_LAYER_MODE_HARDLIGHT:
case GIMP_LAYER_MODE_SOFTLIGHT:
case GIMP_LAYER_MODE_GRAIN_EXTRACT:
case GIMP_LAYER_MODE_GRAIN_MERGE:
case GIMP_LAYER_MODE_VIVID_LIGHT:
case GIMP_LAYER_MODE_PIN_LIGHT:
case GIMP_LAYER_MODE_LINEAR_LIGHT:
case GIMP_LAYER_MODE_EXCLUSION:
case GIMP_LAYER_MODE_LINEAR_BURN:
return GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL;
case GIMP_LAYER_MODE_BEHIND_LINEAR:
case GIMP_LAYER_MODE_MULTIPLY_LINEAR:
case GIMP_LAYER_MODE_SCREEN_LINEAR:
case GIMP_LAYER_MODE_OVERLAY_LINEAR:
case GIMP_LAYER_MODE_DIFFERENCE_LINEAR:
case GIMP_LAYER_MODE_ADDITION_LINEAR:
case GIMP_LAYER_MODE_SUBTRACT_LINEAR:
case GIMP_LAYER_MODE_DARKEN_ONLY:
case GIMP_LAYER_MODE_LIGHTEN_ONLY:
case GIMP_LAYER_MODE_DIVIDE_LINEAR:
case GIMP_LAYER_MODE_DODGE_LINEAR:
case GIMP_LAYER_MODE_BURN_LINEAR:
case GIMP_LAYER_MODE_HARDLIGHT_LINEAR:
case GIMP_LAYER_MODE_SOFTLIGHT_LINEAR:
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LINEAR:
case GIMP_LAYER_MODE_GRAIN_MERGE_LINEAR:
case GIMP_LAYER_MODE_VIVID_LIGHT_LINEAR:
case GIMP_LAYER_MODE_PIN_LIGHT_LINEAR:
case GIMP_LAYER_MODE_LINEAR_LIGHT_LINEAR:
case GIMP_LAYER_MODE_EXCLUSION_LINEAR:
case GIMP_LAYER_MODE_LINEAR_BURN_LINEAR:
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
case GIMP_LAYER_MODE_ERASE:
case GIMP_LAYER_MODE_REPLACE:
case GIMP_LAYER_MODE_ANTI_ERASE:
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
}
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
}
GimpLayerColorSpace
gimp_layer_mode_get_composite_space (GimpLayerMode mode)
{
return GIMP_LAYER_COLOR_SPACE_RGB_LINEAR;
}
GimpLayerCompositeMode
gimp_layer_mode_get_composite_mode (GimpLayerMode mode)
{
switch (mode)
{
case GIMP_LAYER_MODE_NORMAL:
case GIMP_LAYER_MODE_NORMAL_LINEAR:
case GIMP_LAYER_MODE_DISSOLVE:
case GIMP_LAYER_MODE_BEHIND:
case GIMP_LAYER_MODE_BEHIND_LINEAR:
return GIMP_LAYER_COMPOSITE_SRC_OVER;
case GIMP_LAYER_MODE_MULTIPLY_LEGACY:
case GIMP_LAYER_MODE_SCREEN_LEGACY:
case GIMP_LAYER_MODE_OVERLAY_LEGACY:
case GIMP_LAYER_MODE_DIFFERENCE_LEGACY:
case GIMP_LAYER_MODE_ADDITION_LEGACY:
case GIMP_LAYER_MODE_SUBTRACT_LEGACY:
case GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY:
case GIMP_LAYER_MODE_HSV_HUE_LEGACY:
case GIMP_LAYER_MODE_HSV_SATURATION_LEGACY:
case GIMP_LAYER_MODE_HSV_COLOR_LEGACY:
case GIMP_LAYER_MODE_HSV_VALUE_LEGACY:
case GIMP_LAYER_MODE_DIVIDE_LEGACY:
case GIMP_LAYER_MODE_DODGE_LEGACY:
case GIMP_LAYER_MODE_BURN_LEGACY:
case GIMP_LAYER_MODE_HARDLIGHT_LEGACY:
case GIMP_LAYER_MODE_SOFTLIGHT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY:
case GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY:
case GIMP_LAYER_MODE_COLOR_ERASE:
case GIMP_LAYER_MODE_OVERLAY:
case GIMP_LAYER_MODE_LCH_HUE:
case GIMP_LAYER_MODE_LCH_CHROMA:
case GIMP_LAYER_MODE_LCH_COLOR:
case GIMP_LAYER_MODE_LCH_LIGHTNESS:
case GIMP_LAYER_MODE_MULTIPLY:
case GIMP_LAYER_MODE_MULTIPLY_LINEAR:
case GIMP_LAYER_MODE_SCREEN:
case GIMP_LAYER_MODE_SCREEN_LINEAR:
case GIMP_LAYER_MODE_OVERLAY_LINEAR:
case GIMP_LAYER_MODE_DIFFERENCE:
case GIMP_LAYER_MODE_DIFFERENCE_LINEAR:
case GIMP_LAYER_MODE_ADDITION:
case GIMP_LAYER_MODE_ADDITION_LINEAR:
case GIMP_LAYER_MODE_SUBTRACT:
case GIMP_LAYER_MODE_SUBTRACT_LINEAR:
case GIMP_LAYER_MODE_DARKEN_ONLY:
case GIMP_LAYER_MODE_LIGHTEN_ONLY:
case GIMP_LAYER_MODE_HSV_HUE:
case GIMP_LAYER_MODE_HSV_SATURATION:
case GIMP_LAYER_MODE_HSV_COLOR:
case GIMP_LAYER_MODE_HSV_VALUE:
case GIMP_LAYER_MODE_DIVIDE:
case GIMP_LAYER_MODE_DIVIDE_LINEAR:
case GIMP_LAYER_MODE_DODGE:
case GIMP_LAYER_MODE_DODGE_LINEAR:
case GIMP_LAYER_MODE_BURN:
case GIMP_LAYER_MODE_BURN_LINEAR:
case GIMP_LAYER_MODE_HARDLIGHT:
case GIMP_LAYER_MODE_HARDLIGHT_LINEAR:
case GIMP_LAYER_MODE_SOFTLIGHT:
case GIMP_LAYER_MODE_SOFTLIGHT_LINEAR:
case GIMP_LAYER_MODE_GRAIN_EXTRACT:
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LINEAR:
case GIMP_LAYER_MODE_GRAIN_MERGE:
case GIMP_LAYER_MODE_GRAIN_MERGE_LINEAR:
case GIMP_LAYER_MODE_VIVID_LIGHT:
case GIMP_LAYER_MODE_VIVID_LIGHT_LINEAR:
case GIMP_LAYER_MODE_PIN_LIGHT:
case GIMP_LAYER_MODE_PIN_LIGHT_LINEAR:
case GIMP_LAYER_MODE_LINEAR_LIGHT:
case GIMP_LAYER_MODE_LINEAR_LIGHT_LINEAR:
case GIMP_LAYER_MODE_EXCLUSION:
case GIMP_LAYER_MODE_EXCLUSION_LINEAR:
case GIMP_LAYER_MODE_LINEAR_BURN:
case GIMP_LAYER_MODE_LINEAR_BURN_LINEAR:
return GIMP_LAYER_COMPOSITE_SRC_ATOP;
case GIMP_LAYER_MODE_ERASE:
case GIMP_LAYER_MODE_REPLACE:
case GIMP_LAYER_MODE_ANTI_ERASE:
return GIMP_LAYER_COMPOSITE_SRC_OVER;
}
return GIMP_LAYER_COMPOSITE_SRC_OVER;
}
const gchar *
gimp_layer_mode_get_operation (GimpLayerMode mode)
{
switch (mode)
{
case GIMP_LAYER_MODE_NORMAL:
case GIMP_LAYER_MODE_NORMAL_LINEAR:
return "gimp:normal";
case GIMP_LAYER_MODE_DISSOLVE:
return "gimp:dissolve";
case GIMP_LAYER_MODE_BEHIND:
case GIMP_LAYER_MODE_BEHIND_LINEAR:
return "gimp:behind";
case GIMP_LAYER_MODE_MULTIPLY_LEGACY:
return "gimp:multiply-legacy";
case GIMP_LAYER_MODE_SCREEN_LEGACY:
return "gimp:screen-legacy";
case GIMP_LAYER_MODE_OVERLAY_LEGACY:
return "gimp:softlight-legacy";
case GIMP_LAYER_MODE_DIFFERENCE_LEGACY:
return "gimp:difference-legacy";
case GIMP_LAYER_MODE_ADDITION_LEGACY:
return "gimp:addition-legacy";
case GIMP_LAYER_MODE_SUBTRACT_LEGACY:
return "gimp:subtract-legacy";
case GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY:
return "gimp:darken-only-legacy";
case GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY:
return "gimp:lighten-only-legacy";
case GIMP_LAYER_MODE_HSV_HUE_LEGACY:
return "gimp:hsv-hue-legacy";
case GIMP_LAYER_MODE_HSV_SATURATION_LEGACY:
return "gimp:hsv-saturation-legacy";
case GIMP_LAYER_MODE_HSV_COLOR_LEGACY:
return "gimp:hsv-color-legacy";
case GIMP_LAYER_MODE_HSV_VALUE_LEGACY:
return "gimp:hsv-value-legacy";
case GIMP_LAYER_MODE_DIVIDE_LEGACY:
return "gimp:divide-legacy";
case GIMP_LAYER_MODE_DODGE_LEGACY:
return "gimp:dodge-legacy";
case GIMP_LAYER_MODE_BURN_LEGACY:
return "gimp:burn-legacy";
case GIMP_LAYER_MODE_HARDLIGHT_LEGACY:
return "gimp:hardlight-legacy";
case GIMP_LAYER_MODE_SOFTLIGHT_LEGACY:
return "gimp:softlight-legacy";
case GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY:
return "gimp:grain-extract-legacy";
case GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY:
return "gimp:grain-merge-legacy";
case GIMP_LAYER_MODE_COLOR_ERASE:
return "gimp:color-erase";
case GIMP_LAYER_MODE_ERASE:
return "gimp:erase";
case GIMP_LAYER_MODE_REPLACE:
return "gimp:replace";
case GIMP_LAYER_MODE_ANTI_ERASE:
return "gimp:anti-erase";
default:
return "gimp:layer-mode";
}
return "gimp:layer-mode";
}
GimpLayerModeGroup
gimp_layer_mode_get_group (GimpLayerMode mode)
{
if (gimp_layer_mode_is_legacy (mode))
{
return GIMP_LAYER_MODE_GROUP_LEGACY;
}
else if (gimp_layer_mode_get_blend_space (mode) ==
GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL)
{
return GIMP_LAYER_MODE_GROUP_PERCEPTUAL;
}
return GIMP_LAYER_MODE_GROUP_LINEAR;
}
gboolean
gimp_layer_mode_get_for_group (GimpLayerMode old_mode,
GimpLayerModeGroup new_group,
GimpLayerMode *new_mode)
{
static GimpLayerMode mode_groups[][4] =
{
{
GIMP_LAYER_MODE_NORMAL,
GIMP_LAYER_MODE_NORMAL_LINEAR,
GIMP_LAYER_MODE_NORMAL,
GIMP_LAYER_MODE_NORMAL
},
{
GIMP_LAYER_MODE_DISSOLVE,
GIMP_LAYER_MODE_DISSOLVE,
GIMP_LAYER_MODE_DISSOLVE,
GIMP_LAYER_MODE_DISSOLVE
},
{
GIMP_LAYER_MODE_BEHIND,
GIMP_LAYER_MODE_BEHIND_LINEAR,
GIMP_LAYER_MODE_BEHIND,
GIMP_LAYER_MODE_BEHIND
},
{
GIMP_LAYER_MODE_MULTIPLY,
GIMP_LAYER_MODE_MULTIPLY_LINEAR,
GIMP_LAYER_MODE_MULTIPLY,
GIMP_LAYER_MODE_MULTIPLY_LEGACY
},
{
GIMP_LAYER_MODE_SCREEN,
GIMP_LAYER_MODE_SCREEN_LINEAR,
GIMP_LAYER_MODE_SCREEN,
GIMP_LAYER_MODE_SCREEN_LEGACY
},
{
GIMP_LAYER_MODE_OVERLAY,
GIMP_LAYER_MODE_OVERLAY_LINEAR,
GIMP_LAYER_MODE_OVERLAY,
-1
},
{
GIMP_LAYER_MODE_DIFFERENCE,
GIMP_LAYER_MODE_DIFFERENCE_LINEAR,
GIMP_LAYER_MODE_DIFFERENCE,
GIMP_LAYER_MODE_DIFFERENCE_LEGACY
},
{
GIMP_LAYER_MODE_ADDITION,
GIMP_LAYER_MODE_ADDITION_LINEAR,
GIMP_LAYER_MODE_ADDITION,
GIMP_LAYER_MODE_ADDITION_LEGACY
},
{
GIMP_LAYER_MODE_SUBTRACT,
GIMP_LAYER_MODE_SUBTRACT_LINEAR,
GIMP_LAYER_MODE_SUBTRACT,
GIMP_LAYER_MODE_SUBTRACT_LEGACY
},
{
GIMP_LAYER_MODE_DARKEN_ONLY,
GIMP_LAYER_MODE_DARKEN_ONLY,
GIMP_LAYER_MODE_DARKEN_ONLY,
GIMP_LAYER_MODE_DARKEN_ONLY_LEGACY
},
{
GIMP_LAYER_MODE_LIGHTEN_ONLY,
GIMP_LAYER_MODE_LIGHTEN_ONLY,
GIMP_LAYER_MODE_LIGHTEN_ONLY,
GIMP_LAYER_MODE_LIGHTEN_ONLY_LEGACY
},
{
GIMP_LAYER_MODE_HSV_HUE,
-1,
GIMP_LAYER_MODE_HSV_HUE,
GIMP_LAYER_MODE_HSV_HUE_LEGACY
},
{
GIMP_LAYER_MODE_HSV_SATURATION,
-1,
GIMP_LAYER_MODE_HSV_SATURATION,
GIMP_LAYER_MODE_HSV_SATURATION_LEGACY
},
{
GIMP_LAYER_MODE_HSV_COLOR,
-1,
GIMP_LAYER_MODE_HSV_COLOR,
GIMP_LAYER_MODE_HSV_COLOR_LEGACY
},
{
GIMP_LAYER_MODE_HSV_VALUE,
-1,
GIMP_LAYER_MODE_HSV_VALUE,
GIMP_LAYER_MODE_HSV_VALUE_LEGACY
},
{
GIMP_LAYER_MODE_DIVIDE,
GIMP_LAYER_MODE_DIVIDE_LINEAR,
GIMP_LAYER_MODE_DIVIDE,
GIMP_LAYER_MODE_DIVIDE_LEGACY
},
{
GIMP_LAYER_MODE_DODGE,
GIMP_LAYER_MODE_DODGE_LINEAR,
GIMP_LAYER_MODE_DODGE,
GIMP_LAYER_MODE_DODGE_LEGACY
},
{
GIMP_LAYER_MODE_BURN,
GIMP_LAYER_MODE_BURN_LINEAR,
GIMP_LAYER_MODE_BURN,
GIMP_LAYER_MODE_BURN_LEGACY
},
{
GIMP_LAYER_MODE_HARDLIGHT,
GIMP_LAYER_MODE_HARDLIGHT_LINEAR,
GIMP_LAYER_MODE_HARDLIGHT,
GIMP_LAYER_MODE_HARDLIGHT_LEGACY
},
{
GIMP_LAYER_MODE_SOFTLIGHT,
GIMP_LAYER_MODE_SOFTLIGHT_LINEAR,
GIMP_LAYER_MODE_SOFTLIGHT,
GIMP_LAYER_MODE_SOFTLIGHT_LEGACY
},
{
GIMP_LAYER_MODE_GRAIN_EXTRACT,
GIMP_LAYER_MODE_GRAIN_EXTRACT_LINEAR,
GIMP_LAYER_MODE_GRAIN_EXTRACT,
GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY
},
{
GIMP_LAYER_MODE_GRAIN_MERGE,
GIMP_LAYER_MODE_GRAIN_MERGE_LINEAR,
GIMP_LAYER_MODE_GRAIN_MERGE,
GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY
},
{
GIMP_LAYER_MODE_COLOR_ERASE,
-1,
GIMP_LAYER_MODE_COLOR_ERASE,
-1,
},
{
GIMP_LAYER_MODE_VIVID_LIGHT,
GIMP_LAYER_MODE_VIVID_LIGHT_LINEAR,
GIMP_LAYER_MODE_VIVID_LIGHT,
-1
},
{
GIMP_LAYER_MODE_PIN_LIGHT,
GIMP_LAYER_MODE_PIN_LIGHT_LINEAR,
GIMP_LAYER_MODE_PIN_LIGHT,
-1
},
{
GIMP_LAYER_MODE_LINEAR_LIGHT,
GIMP_LAYER_MODE_LINEAR_LIGHT_LINEAR,
GIMP_LAYER_MODE_LINEAR_LIGHT,
-1
},
{
GIMP_LAYER_MODE_EXCLUSION,
GIMP_LAYER_MODE_EXCLUSION_LINEAR,
GIMP_LAYER_MODE_EXCLUSION,
-1
},
{
GIMP_LAYER_MODE_LINEAR_BURN,
GIMP_LAYER_MODE_LINEAR_BURN_LINEAR,
GIMP_LAYER_MODE_LINEAR_BURN,
-1
},
{
GIMP_LAYER_MODE_ERASE,
GIMP_LAYER_MODE_ERASE,
-1,
-1
},
{
GIMP_LAYER_MODE_REPLACE,
GIMP_LAYER_MODE_REPLACE,
-1,
-1
},
{
GIMP_LAYER_MODE_ANTI_ERASE,
GIMP_LAYER_MODE_ANTI_ERASE,
-1,
-1
},
};
gint i;
g_return_val_if_fail (new_mode != NULL, FALSE);
for (i = 0; i < G_N_ELEMENTS (mode_groups); i++)
{
gint j;
for (j = 0; j < 4; j++)
{
if (mode_groups[i][j] == old_mode)
{
*new_mode = mode_groups[i][new_group];
if (*new_mode != -1)
return TRUE;
return FALSE;
}
}
}
*new_mode = -1;
return FALSE;
}
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