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app: move erase and anti-erase to layer-modes/

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This commit is contained in:
Michael Natterer
2017-01-11 00:21:43 +01:00
parent 0fcc2cd772
commit 9142bb1805
11 changed files with 246 additions and 245 deletions
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4
app/gegl/gimp-gegl-nodes.c
View File

@ -312,7 +312,7 @@ gimp_gegl_mode_node_set_mode (GeglNode *node,
break; break;
case GIMP_LAYER_MODE_ERASE: case GIMP_LAYER_MODE_ERASE:
operation = "gimp:erase-mode"; operation = "gimp:erase";
break; break;
case GIMP_LAYER_MODE_REPLACE: case GIMP_LAYER_MODE_REPLACE:
@ -320,7 +320,7 @@ gimp_gegl_mode_node_set_mode (GeglNode *node,
break; break;
case GIMP_LAYER_MODE_ANTI_ERASE: case GIMP_LAYER_MODE_ANTI_ERASE:
operation = "gimp:anti-erase-mode"; operation = "gimp:anti-erase";
break; break;
default: default:

4
app/operations/Makefile.am
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@ -113,12 +113,8 @@ libappoperations_a_SOURCES = \
gimpoperationgrainmergemode.h \ gimpoperationgrainmergemode.h \
gimpoperationcolorerasemode.c \ gimpoperationcolorerasemode.c \
gimpoperationcolorerasemode.h \ gimpoperationcolorerasemode.h \
gimpoperationerasemode.c \
gimpoperationerasemode.h \
gimpoperationreplacemode.c \ gimpoperationreplacemode.c \
gimpoperationreplacemode.h \ gimpoperationreplacemode.h \
gimpoperationantierasemode.c \
gimpoperationantierasemode.h \
\ \
gimplayermodefunctions.c \ gimplayermodefunctions.c \
gimplayermodefunctions.h gimplayermodefunctions.h

8
app/operations/gimp-operations.c
View File

@ -105,9 +105,9 @@
#include "layer-modes/gimpoperationlchchroma.h" #include "layer-modes/gimpoperationlchchroma.h"
#include "layer-modes/gimpoperationlchcolor.h" #include "layer-modes/gimpoperationlchcolor.h"
#include "layer-modes/gimpoperationlchlightness.h" #include "layer-modes/gimpoperationlchlightness.h"
#include "gimpoperationerasemode.h" #include "layer-modes/gimpoperationerase.h"
#include "gimpoperationreplacemode.h" #include "gimpoperationreplacemode.h"
#include "gimpoperationantierasemode.h" #include "layer-modes/gimpoperationantierase.h"
void void
@ -181,9 +181,9 @@ gimp_operations_init (void)
g_type_class_ref (GIMP_TYPE_OPERATION_LCH_CHROMA); g_type_class_ref (GIMP_TYPE_OPERATION_LCH_CHROMA);
g_type_class_ref (GIMP_TYPE_OPERATION_LCH_COLOR); g_type_class_ref (GIMP_TYPE_OPERATION_LCH_COLOR);
g_type_class_ref (GIMP_TYPE_OPERATION_LCH_LIGHTNESS); g_type_class_ref (GIMP_TYPE_OPERATION_LCH_LIGHTNESS);
g_type_class_ref (GIMP_TYPE_OPERATION_ERASE_MODE); g_type_class_ref (GIMP_TYPE_OPERATION_ERASE);
g_type_class_ref (GIMP_TYPE_OPERATION_REPLACE_MODE); g_type_class_ref (GIMP_TYPE_OPERATION_REPLACE_MODE);
g_type_class_ref (GIMP_TYPE_OPERATION_ANTI_ERASE_MODE); g_type_class_ref (GIMP_TYPE_OPERATION_ANTI_ERASE);
gimp_gegl_config_register ("gimp:brightness-contrast", gimp_gegl_config_register ("gimp:brightness-contrast",
GIMP_TYPE_BRIGHTNESS_CONTRAST_CONFIG); GIMP_TYPE_BRIGHTNESS_CONTRAST_CONFIG);

8
app/operations/gimplayermodefunctions.c
View File

@ -65,9 +65,9 @@
#include "layer-modes/gimpoperationlchchroma.h" #include "layer-modes/gimpoperationlchchroma.h"
#include "layer-modes/gimpoperationlchcolor.h" #include "layer-modes/gimpoperationlchcolor.h"
#include "layer-modes/gimpoperationlchlightness.h" #include "layer-modes/gimpoperationlchlightness.h"
#include "gimpoperationerasemode.h" #include "layer-modes/gimpoperationerase.h"
#include "gimpoperationreplacemode.h" #include "gimpoperationreplacemode.h"
#include "gimpoperationantierasemode.h" #include "layer-modes/gimpoperationantierase.h"
GimpLayerModeFunction GimpLayerModeFunction
@ -247,7 +247,7 @@ get_layer_mode_function (GimpLayerMode paint_mode,
break; break;
case GIMP_LAYER_MODE_ERASE: case GIMP_LAYER_MODE_ERASE:
func = gimp_operation_erase_mode_process_pixels; func = gimp_operation_erase_process_pixels;
break; break;
case GIMP_LAYER_MODE_REPLACE: case GIMP_LAYER_MODE_REPLACE:
@ -255,7 +255,7 @@ get_layer_mode_function (GimpLayerMode paint_mode,
break; break;
case GIMP_LAYER_MODE_ANTI_ERASE: case GIMP_LAYER_MODE_ANTI_ERASE:
func = gimp_operation_anti_erase_mode_process_pixels; func = gimp_operation_anti_erase_process_pixels;
break; break;
default: default:

131
app/operations/gimpoperationantierasemode.c
View File

@ -1,131 +0,0 @@
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpoperationantierasemode.c
* Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
* 2012 Ville Sokk <ville.sokk@gmail.com>
*
* 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 <gegl-plugin.h>
#include "operations-types.h"
#include "gimpoperationantierasemode.h"
static void gimp_operation_anti_erase_mode_prepare (GeglOperation *operation);
static gboolean gimp_operation_anti_erase_mode_process (GeglOperation *operation,
void *in_buf,
void *aux_buf,
void *aux2_buf,
void *out_buf,
glong samples,
const GeglRectangle *roi,
gint level);
G_DEFINE_TYPE (GimpOperationAntiEraseMode, gimp_operation_anti_erase_mode,
GIMP_TYPE_OPERATION_POINT_LAYER_MODE)
static void
gimp_operation_anti_erase_mode_class_init (GimpOperationAntiEraseModeClass *klass)
{
GeglOperationClass *operation_class;
GeglOperationPointComposer3Class *point_class;
operation_class = GEGL_OPERATION_CLASS (klass);
point_class = GEGL_OPERATION_POINT_COMPOSER3_CLASS (klass);
gegl_operation_class_set_keys (operation_class,
"name", "gimp:anti-erase-mode",
"description", "GIMP anti erase mode operation",
NULL);
operation_class->prepare = gimp_operation_anti_erase_mode_prepare;
point_class->process = gimp_operation_anti_erase_mode_process;
}
static void
gimp_operation_anti_erase_mode_init (GimpOperationAntiEraseMode *self)
{
}
static void
gimp_operation_anti_erase_mode_prepare (GeglOperation *operation)
{
const Babl *format = babl_format ("RGBA float");
gegl_operation_set_format (operation, "input", format);
gegl_operation_set_format (operation, "aux", format);
gegl_operation_set_format (operation, "aux2", babl_format ("Y float"));
gegl_operation_set_format (operation, "output", format);
}
static gboolean
gimp_operation_anti_erase_mode_process (GeglOperation *operation,
void *in_buf,
void *aux_buf,
void *aux2_buf,
void *out_buf,
glong samples,
const GeglRectangle *roi,
gint level)
{
gfloat opacity = GIMP_OPERATION_POINT_LAYER_MODE (operation)->opacity;
return gimp_operation_anti_erase_mode_process_pixels (in_buf, aux_buf, aux2_buf, out_buf, opacity, samples, roi, level);
}
gboolean
gimp_operation_anti_erase_mode_process_pixels (gfloat *in,
gfloat *layer,
gfloat *mask,
gfloat *out,
gfloat opacity,
glong samples,
const GeglRectangle *roi,
gint level)
{
const gboolean has_mask = mask != NULL;
while (samples--)
{
gfloat value = opacity;
gint b;
if (has_mask)
value *= *mask;
out[ALPHA] = in[ALPHA] + (1.0 - in[ALPHA]) * layer[ALPHA] * value;
for (b = RED; b < ALPHA; b++)
{
out[b] = in[b];
}
in += 4;
layer += 4;
out += 4;
if (has_mask)
mask++;
}
return TRUE;
}

62
app/operations/gimpoperationantierasemode.h
View File

@ -1,62 +0,0 @@
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpoperationantierasemode.h
* Copyright (C) 2008 Michael Natterer <mitch@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/>.
*/
#ifndef __GIMP_OPERATION_ANTI_ERASE_MODE_H__
#define __GIMP_OPERATION_ANTI_ERASE_MODE_H__
#include "gimpoperationpointlayermode.h"
#define GIMP_TYPE_OPERATION_ANTI_ERASE_MODE (gimp_operation_anti_erase_mode_get_type ())
#define GIMP_OPERATION_ANTI_ERASE_MODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_OPERATION_ANTI_ERASE_MODE, GimpOperationAntiEraseMode))
#define GIMP_OPERATION_ANTI_ERASE_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_OPERATION_ANTI_ERASE_MODE, GimpOperationAntiEraseModeClass))
#define GIMP_IS_OPERATION_ANTI_ERASE_MODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_OPERATION_ANTI_ERASE_MODE))
#define GIMP_IS_OPERATION_ANTI_ERASE_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_OPERATION_ANTI_ERASE_MODE))
#define GIMP_OPERATION_ANTI_ERASE_MODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_OPERATION_ANTI_ERASE_MODE, GimpOperationAntiEraseModeClass))
typedef struct _GimpOperationAntiEraseMode GimpOperationAntiEraseMode;
typedef struct _GimpOperationAntiEraseModeClass GimpOperationAntiEraseModeClass;
struct _GimpOperationAntiEraseMode
{
GimpOperationPointLayerMode parent_instance;
};
struct _GimpOperationAntiEraseModeClass
{
GimpOperationPointLayerModeClass parent_class;
};
GType gimp_operation_anti_erase_mode_get_type (void) G_GNUC_CONST;
gboolean gimp_operation_anti_erase_mode_process_pixels (gfloat *in,
gfloat *layer,
gfloat *mask,
gfloat *out,
gfloat opacity,
glong samples,
const GeglRectangle *roi,
gint level);
#endif /* __GIMP_OPERATION_ANTI_ERASE_MODE_H__ */

6
app/operations/layer-modes/Makefile.am
View File

@ -55,7 +55,11 @@ libapplayermodes_generic_a_sources = \
gimpoperationhsvcolor.c \ gimpoperationhsvcolor.c \
gimpoperationhsvcolor.h \ gimpoperationhsvcolor.h \
gimpoperationhsvvalue.c \ gimpoperationhsvvalue.c \
gimpoperationhsvvalue.h gimpoperationhsvvalue.h \
gimpoperationerase.c \
gimpoperationerase.h \
gimpoperationantierase.c \
gimpoperationantierase.h
libapplayermodes_sse2_a_sources = \ libapplayermodes_sse2_a_sources = \
gimpoperationnormal-sse2.c gimpoperationnormal-sse2.c

40
app/operations/gimpoperationerasemode.c → app/operations/layer-modes/gimpoperationantierase.c
View File

@ -1,7 +1,7 @@
/* GIMP - The GNU Image Manipulation Program /* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis * Copyright (C) 1995 Spencer Kimball and Peter Mattis
* *
* gimpoperationerasemode.c * gimpoperationantierase.c
* Copyright (C) 2008 Michael Natterer <mitch@gimp.org> * Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
* 2012 Ville Sokk <ville.sokk@gmail.com> * 2012 Ville Sokk <ville.sokk@gmail.com>
* *
@ -23,13 +23,13 @@
#include <gegl-plugin.h> #include <gegl-plugin.h>
#include "operations-types.h" #include "../operations-types.h"
#include "gimpoperationerasemode.h" #include "gimpoperationantierase.h"
static void prepare (GeglOperation *operation); static void gimp_operation_anti_erase_prepare (GeglOperation *operation);
static gboolean gimp_operation_erase_mode_process (GeglOperation *operation, static gboolean gimp_operation_anti_erase_process (GeglOperation *operation,
void *in_buf, void *in_buf,
void *aux_buf, void *aux_buf,
void *aux2_buf, void *aux2_buf,
@ -39,12 +39,12 @@ static gboolean gimp_operation_erase_mode_process (GeglOperation *operatio
gint level); gint level);
G_DEFINE_TYPE (GimpOperationEraseMode, gimp_operation_erase_mode, G_DEFINE_TYPE (GimpOperationAntiErase, gimp_operation_anti_erase,
GIMP_TYPE_OPERATION_POINT_LAYER_MODE) GIMP_TYPE_OPERATION_POINT_LAYER_MODE)
static void static void
gimp_operation_erase_mode_class_init (GimpOperationEraseModeClass *klass) gimp_operation_anti_erase_class_init (GimpOperationAntiEraseClass *klass)
{ {
GeglOperationClass *operation_class; GeglOperationClass *operation_class;
GeglOperationPointComposer3Class *point_class; GeglOperationPointComposer3Class *point_class;
@ -53,21 +53,21 @@ gimp_operation_erase_mode_class_init (GimpOperationEraseModeClass *klass)
point_class = GEGL_OPERATION_POINT_COMPOSER3_CLASS (klass); point_class = GEGL_OPERATION_POINT_COMPOSER3_CLASS (klass);
gegl_operation_class_set_keys (operation_class, gegl_operation_class_set_keys (operation_class,
"name", "gimp:erase-mode", "name", "gimp:anti-erase",
"description", "GIMP erase mode operation", "description", "GIMP anti erase mode operation",
NULL); NULL);
operation_class->prepare = prepare; operation_class->prepare = gimp_operation_anti_erase_prepare;
point_class->process = gimp_operation_erase_mode_process; point_class->process = gimp_operation_anti_erase_process;
} }
static void static void
gimp_operation_erase_mode_init (GimpOperationEraseMode *self) gimp_operation_anti_erase_init (GimpOperationAntiErase *self)
{ {
} }
static void static void
prepare (GeglOperation *operation) gimp_operation_anti_erase_prepare (GeglOperation *operation)
{ {
const Babl *format = babl_format ("RGBA float"); const Babl *format = babl_format ("RGBA float");
@ -78,7 +78,7 @@ prepare (GeglOperation *operation)
} }
static gboolean static gboolean
gimp_operation_erase_mode_process (GeglOperation *operation, gimp_operation_anti_erase_process (GeglOperation *operation,
void *in_buf, void *in_buf,
void *aux_buf, void *aux_buf,
void *aux2_buf, void *aux2_buf,
@ -89,11 +89,11 @@ gimp_operation_erase_mode_process (GeglOperation *operation,
{ {
gfloat opacity = GIMP_OPERATION_POINT_LAYER_MODE (operation)->opacity; gfloat opacity = GIMP_OPERATION_POINT_LAYER_MODE (operation)->opacity;
return gimp_operation_erase_mode_process_pixels (in_buf, aux_buf, aux2_buf, out_buf, opacity, samples, roi, level); return gimp_operation_anti_erase_process_pixels (in_buf, aux_buf, aux2_buf, out_buf, opacity, samples, roi, level);
} }
gboolean gboolean
gimp_operation_erase_mode_process_pixels (gfloat *in, gimp_operation_anti_erase_process_pixels (gfloat *in,
gfloat *layer, gfloat *layer,
gfloat *mask, gfloat *mask,
gfloat *out, gfloat *out,
@ -110,21 +110,21 @@ gimp_operation_erase_mode_process_pixels (gfloat *in,
gint b; gint b;
if (has_mask) if (has_mask)
value *= (*mask); value *= *mask;
out[ALPHA] = in[ALPHA] + (1.0 - in[ALPHA]) * layer[ALPHA] * value;
for (b = RED; b < ALPHA; b++) for (b = RED; b < ALPHA; b++)
{ {
out[b] = in[b]; out[b] = in[b];
} }
out[ALPHA] = in[ALPHA] - in[ALPHA] * layer[ALPHA] * value;
in += 4; in += 4;
layer += 4; layer += 4;
out += 4; out += 4;
if (has_mask) if (has_mask)
mask ++; mask++;
} }
return TRUE; return TRUE;

35
app/operations/gimpoperationerasemode.h → app/operations/layer-modes/gimpoperationantierase.h
View File

@ -1,7 +1,7 @@
/* GIMP - The GNU Image Manipulation Program /* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis * Copyright (C) 1995 Spencer Kimball and Peter Mattis
* *
* gimpoperationerasemode.h * gimpoperationantierase.h
* Copyright (C) 2008 Michael Natterer <mitch@gimp.org> * Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
* *
* This program is free software: you can redistribute it and/or modify * This program is free software: you can redistribute it and/or modify
@ -18,38 +18,38 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>. * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
#ifndef __GIMP_OPERATION_ERASE_MODE_H__ #ifndef __GIMP_OPERATION_ANTI_ERASE_H__
#define __GIMP_OPERATION_ERASE_MODE_H__ #define __GIMP_OPERATION_ANTI_ERASE_H__
#include "gimpoperationpointlayermode.h" #include "../gimpoperationpointlayermode.h"
#define GIMP_TYPE_OPERATION_ERASE_MODE (gimp_operation_erase_mode_get_type ()) #define GIMP_TYPE_OPERATION_ANTI_ERASE (gimp_operation_anti_erase_get_type ())
#define GIMP_OPERATION_ERASE_MODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_OPERATION_ERASE_MODE, GimpOperationEraseMode)) #define GIMP_OPERATION_ANTI_ERASE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_OPERATION_ANTI_ERASE, GimpOperationAntiErase))
#define GIMP_OPERATION_ERASE_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_OPERATION_ERASE_MODE, GimpOperationEraseModeClass)) #define GIMP_OPERATION_ANTI_ERASE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_OPERATION_ANTI_ERASE, GimpOperationAntiEraseClass))
#define GIMP_IS_OPERATION_ERASE_MODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_OPERATION_ERASE_MODE)) #define GIMP_IS_OPERATION_ANTI_ERASE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_OPERATION_ANTI_ERASE))
#define GIMP_IS_OPERATION_ERASE_MODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_OPERATION_ERASE_MODE)) #define GIMP_IS_OPERATION_ANTI_ERASE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_OPERATION_ANTI_ERASE))
#define GIMP_OPERATION_ERASE_MODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_OPERATION_ERASE_MODE, GimpOperationEraseModeClass)) #define GIMP_OPERATION_ANTI_ERASE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_OPERATION_ANTI_ERASE, GimpOperationAntiEraseClass))
typedef struct _GimpOperationEraseMode GimpOperationEraseMode; typedef struct _GimpOperationAntiErase GimpOperationAntiErase;
typedef struct _GimpOperationEraseModeClass GimpOperationEraseModeClass; typedef struct _GimpOperationAntiEraseClass GimpOperationAntiEraseClass;
struct _GimpOperationEraseMode struct _GimpOperationAntiErase
{ {
GimpOperationPointLayerMode parent_instance; GimpOperationPointLayerMode parent_instance;
}; };
struct _GimpOperationEraseModeClass struct _GimpOperationAntiEraseClass
{ {
GimpOperationPointLayerModeClass parent_class; GimpOperationPointLayerModeClass parent_class;
}; };
GType gimp_operation_erase_mode_get_type (void) G_GNUC_CONST; GType gimp_operation_anti_erase_get_type (void) G_GNUC_CONST;
gboolean gimp_operation_erase_mode_process_pixels (gfloat *in, gboolean gimp_operation_anti_erase_process_pixels (gfloat *in,
gfloat *layer, gfloat *layer,
gfloat *mask, gfloat *mask,
gfloat *out, gfloat *out,
@ -58,4 +58,5 @@ gboolean gimp_operation_erase_mode_process_pixels (gfloat *in,
const GeglRectangle *roi, const GeglRectangle *roi,
gint level); gint level);
#endif /* __GIMP_OPERATION_ERASE_MODE_H__ */
#endif /* __GIMP_OPERATION_ANTI_ERASE_H__ */

131
app/operations/layer-modes/gimpoperationerase.c Normal file
View File

@ -0,0 +1,131 @@
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpoperationerase.c
* Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
* 2012 Ville Sokk <ville.sokk@gmail.com>
*
* 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 <gegl-plugin.h>
#include "../operations-types.h"
#include "gimpoperationerase.h"
static void gimp_operation_erase_prepare (GeglOperation *operation);
static gboolean gimp_operation_erase_process (GeglOperation *operation,
void *in_buf,
void *aux_buf,
void *aux2_buf,
void *out_buf,
glong samples,
const GeglRectangle *roi,
gint level);
G_DEFINE_TYPE (GimpOperationErase, gimp_operation_erase,
GIMP_TYPE_OPERATION_POINT_LAYER_MODE)
static void
gimp_operation_erase_class_init (GimpOperationEraseClass *klass)
{
GeglOperationClass *operation_class;
GeglOperationPointComposer3Class *point_class;
operation_class = GEGL_OPERATION_CLASS (klass);
point_class = GEGL_OPERATION_POINT_COMPOSER3_CLASS (klass);
gegl_operation_class_set_keys (operation_class,
"name", "gimp:erase",
"description", "GIMP erase mode operation",
NULL);
operation_class->prepare = gimp_operation_erase_prepare;
point_class->process = gimp_operation_erase_process;
}
static void
gimp_operation_erase_init (GimpOperationErase *self)
{
}
static void
gimp_operation_erase_prepare (GeglOperation *operation)
{
const Babl *format = babl_format ("RGBA float");
gegl_operation_set_format (operation, "input", format);
gegl_operation_set_format (operation, "aux", format);
gegl_operation_set_format (operation, "aux2", babl_format ("Y float"));
gegl_operation_set_format (operation, "output", format);
}
static gboolean
gimp_operation_erase_process (GeglOperation *operation,
void *in_buf,
void *aux_buf,
void *aux2_buf,
void *out_buf,
glong samples,
const GeglRectangle *roi,
gint level)
{
gfloat opacity = GIMP_OPERATION_POINT_LAYER_MODE (operation)->opacity;
return gimp_operation_erase_process_pixels (in_buf, aux_buf, aux2_buf, out_buf, opacity, samples, roi, level);
}
gboolean
gimp_operation_erase_process_pixels (gfloat *in,
gfloat *layer,
gfloat *mask,
gfloat *out,
gfloat opacity,
glong samples,
const GeglRectangle *roi,
gint level)
{
const gboolean has_mask = mask != NULL;
while (samples--)
{
gfloat value = opacity;
gint b;
if (has_mask)
value *= (*mask);
for (b = RED; b < ALPHA; b++)
{
out[b] = in[b];
}
out[ALPHA] = in[ALPHA] - in[ALPHA] * layer[ALPHA] * value;
in += 4;
layer += 4;
out += 4;
if (has_mask)
mask ++;
}
return TRUE;
}

62
app/operations/layer-modes/gimpoperationerase.h Normal file
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@ -0,0 +1,62 @@
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpoperationerase.h
* Copyright (C) 2008 Michael Natterer <mitch@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/>.
*/
#ifndef __GIMP_OPERATION_ERASE_H__
#define __GIMP_OPERATION_ERASE_H__
#include "../gimpoperationpointlayermode.h"
#define GIMP_TYPE_OPERATION_ERASE (gimp_operation_erase_get_type ())
#define GIMP_OPERATION_ERASE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_OPERATION_ERASE, GimpOperationErase))
#define GIMP_OPERATION_ERASE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_OPERATION_ERASE, GimpOperationEraseClass))
#define GIMP_IS_OPERATION_ERASE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_OPERATION_ERASE))
#define GIMP_IS_OPERATION_ERASE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_OPERATION_ERASE))
#define GIMP_OPERATION_ERASE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_OPERATION_ERASE, GimpOperationEraseClass))
typedef struct _GimpOperationErase GimpOperationErase;
typedef struct _GimpOperationEraseClass GimpOperationEraseClass;
struct _GimpOperationErase
{
GimpOperationPointLayerMode parent_instance;
};
struct _GimpOperationEraseClass
{
GimpOperationPointLayerModeClass parent_class;
};
GType gimp_operation_erase_get_type (void) G_GNUC_CONST;
gboolean gimp_operation_erase_process_pixels (gfloat *in,
gfloat *layer,
gfloat *mask,
gfloat *out,
gfloat opacity,
glong samples,
const GeglRectangle *roi,
gint level);
#endif /* __GIMP_OPERATION_ERASE_MODE_H__ */