[gimp/goat-invasion] app: replace fatten_region() by GimpOperationGrow
- From: Michael Natterer <mitch src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp/goat-invasion] app: replace fatten_region() by GimpOperationGrow
- Date: Sun, 25 Mar 2012 21:52:50 +0000 (UTC)
commit 21a8c110fe37406766cc86bcbb37f57db8f62a12
Author: Michael Natterer <mitch gimp org>
Date: Sun Mar 25 23:52:25 2012 +0200
app: replace fatten_region() by GimpOperationGrow
app/core/gimpchannel.c | 23 ++-
app/gegl/Makefile.am | 2 +
app/gegl/gimp-gegl-types.h | 1 +
app/gegl/gimp-gegl.c | 2 +
app/gegl/gimpoperationgrow.c | 384 +++++++++++++++++++++++++++++++++++++++++
app/gegl/gimpoperationgrow.h | 55 ++++++
app/paint-funcs/paint-funcs.c | 174 -------------------
app/paint-funcs/paint-funcs.h | 4 -
8 files changed, 459 insertions(+), 186 deletions(-)
---
diff --git a/app/core/gimpchannel.c b/app/core/gimpchannel.c
index 623e90c..f2b27bb 100644
--- a/app/core/gimpchannel.c
+++ b/app/core/gimpchannel.c
@@ -1472,8 +1472,8 @@ gimp_channel_real_grow (GimpChannel *channel,
gint radius_y,
gboolean push_undo)
{
- PixelRegion bPR;
- gint x1, y1, x2, y2;
+ GeglNode *grow;
+ gint x1, y1, x2, y2;
if (radius_x == 0 && radius_y == 0)
return;
@@ -1519,12 +1519,19 @@ gimp_channel_real_grow (GimpChannel *channel,
else
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (channel));
- /* need full extents for grow, not! */
- pixel_region_init (&bPR,
- gimp_drawable_get_tiles (GIMP_DRAWABLE (channel)),
- x1, y1, (x2 - x1), (y2 - y1), TRUE);
+ grow = gegl_node_new_child (NULL,
+ "operation", "gimp:grow",
+ "radius-x", radius_x,
+ "radius-y", radius_y,
+ NULL);
+
+ gimp_apply_operation (gimp_drawable_get_buffer (GIMP_DRAWABLE (channel)),
+ NULL, NULL,
+ grow,
+ gimp_drawable_get_buffer (GIMP_DRAWABLE (channel)),
+ GIMP_GEGL_RECT (x1, y1, x2 - x1, y2 - y1));
- fatten_region (&bPR, radius_x, radius_y);
+ g_object_unref (grow);
channel->bounds_known = FALSE;
@@ -1587,7 +1594,7 @@ gimp_channel_real_shrink (GimpChannel *channel,
NULL, NULL,
shrink,
gimp_drawable_get_buffer (GIMP_DRAWABLE (channel)),
- NULL);
+ GIMP_GEGL_RECT (x1, y1, x2 - x1, y2 - y1));
g_object_unref (shrink);
diff --git a/app/gegl/Makefile.am b/app/gegl/Makefile.am
index 84f9104..645c6ed 100644
--- a/app/gegl/Makefile.am
+++ b/app/gegl/Makefile.am
@@ -54,6 +54,8 @@ libappgegl_a_sources = \
gimpoperationcagetransform.h \
gimpoperationequalize.c \
gimpoperationequalize.h \
+ gimpoperationgrow.c \
+ gimpoperationgrow.h \
gimpoperationsetalpha.c \
gimpoperationsetalpha.h \
gimpoperationshrink.c \
diff --git a/app/gegl/gimp-gegl-types.h b/app/gegl/gimp-gegl-types.h
index 12c3ea3..d2aff4b 100644
--- a/app/gegl/gimp-gegl-types.h
+++ b/app/gegl/gimp-gegl-types.h
@@ -30,6 +30,7 @@
typedef struct _GimpOperationCageCoefCalc GimpOperationCageCoefCalc;
typedef struct _GimpOperationCageTransform GimpOperationCageTransform;
typedef struct _GimpOperationEqualize GimpOperationEqualize;
+typedef struct _GimpOperationGrow GimpOperationGrow;
typedef struct _GimpOperationSetAlpha GimpOperationSetAlpha;
typedef struct _GimpOperationShrink GimpOperationShrink;
diff --git a/app/gegl/gimp-gegl.c b/app/gegl/gimp-gegl.c
index 2254abf..6e43360 100644
--- a/app/gegl/gimp-gegl.c
+++ b/app/gegl/gimp-gegl.c
@@ -35,6 +35,7 @@
#include "gimpoperationcagecoefcalc.h"
#include "gimpoperationcagetransform.h"
#include "gimpoperationequalize.h"
+#include "gimpoperationgrow.h"
#include "gimpoperationsetalpha.h"
#include "gimpoperationshrink.h"
@@ -123,6 +124,7 @@ gimp_gegl_init (Gimp *gimp)
g_type_class_ref (GIMP_TYPE_OPERATION_CAGE_COEF_CALC);
g_type_class_ref (GIMP_TYPE_OPERATION_CAGE_TRANSFORM);
g_type_class_ref (GIMP_TYPE_OPERATION_EQUALIZE);
+ g_type_class_ref (GIMP_TYPE_OPERATION_GROW);
g_type_class_ref (GIMP_TYPE_OPERATION_SET_ALPHA);
g_type_class_ref (GIMP_TYPE_OPERATION_SHRINK);
diff --git a/app/gegl/gimpoperationgrow.c b/app/gegl/gimpoperationgrow.c
new file mode 100644
index 0000000..21208b4
--- /dev/null
+++ b/app/gegl/gimpoperationgrow.c
@@ -0,0 +1,384 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoperationgrow.c
+ * Copyright (C) 2012 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/>.
+ */
+
+#include "config.h"
+
+#include <cairo.h>
+#include <gegl.h>
+
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpmath/gimpmath.h"
+
+#include "gimp-gegl-types.h"
+
+#include "gimp-gegl-utils.h"
+#include "gimpoperationgrow.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_RADIUS_X,
+ PROP_RADIUS_Y
+};
+
+
+static void gimp_operation_grow_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gimp_operation_grow_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+static GeglRectangle
+gimp_operation_grow_get_required_for_output (GeglOperation *self,
+ const gchar *input_pad,
+ const GeglRectangle *roi);
+static GeglRectangle
+ gimp_operation_grow_get_cached_region (GeglOperation *self,
+ const GeglRectangle *roi);
+static void gimp_operation_grow_prepare (GeglOperation *operation);
+static gboolean gimp_operation_grow_process (GeglOperation *operation,
+ GeglBuffer *input,
+ GeglBuffer *output,
+ const GeglRectangle *roi,
+ gint level);
+
+
+G_DEFINE_TYPE (GimpOperationGrow, gimp_operation_grow,
+ GEGL_TYPE_OPERATION_FILTER)
+
+#define parent_class gimp_operation_grow_parent_class
+
+
+static void
+gimp_operation_grow_class_init (GimpOperationGrowClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
+ GeglOperationFilterClass *filter_class = GEGL_OPERATION_FILTER_CLASS (klass);
+
+ object_class->set_property = gimp_operation_grow_set_property;
+ object_class->get_property = gimp_operation_grow_get_property;
+
+ operation_class->name = "gimp:grow";
+ operation_class->categories = "gimp";
+ operation_class->description = "GIMP Grow operation";
+
+ operation_class->prepare = gimp_operation_grow_prepare;
+ operation_class->get_required_for_output = gimp_operation_grow_get_required_for_output;
+ operation_class->get_cached_region = gimp_operation_grow_get_cached_region;
+
+ filter_class->process = gimp_operation_grow_process;
+
+ g_object_class_install_property (object_class, PROP_RADIUS_X,
+ g_param_spec_int ("radius-x",
+ "Radius X",
+ "Grow radius in X diection",
+ 1, 2342, 1,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_RADIUS_Y,
+ g_param_spec_int ("radius-y",
+ "Radius Y",
+ "Grow radius in Y diection",
+ 1, 2342, 1,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+}
+
+static void
+gimp_operation_grow_init (GimpOperationGrow *self)
+{
+}
+
+static void
+gimp_operation_grow_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpOperationGrow *self = GIMP_OPERATION_GROW (object);
+
+ switch (property_id)
+ {
+ case PROP_RADIUS_X:
+ g_value_set_int (value, self->radius_x);
+ break;
+
+ case PROP_RADIUS_Y:
+ g_value_set_int (value, self->radius_y);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_operation_grow_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpOperationGrow *self = GIMP_OPERATION_GROW (object);
+
+ switch (property_id)
+ {
+ case PROP_RADIUS_X:
+ self->radius_x = g_value_get_int (value);
+ break;
+
+ case PROP_RADIUS_Y:
+ self->radius_y = g_value_get_int (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_operation_grow_prepare (GeglOperation *operation)
+{
+ gegl_operation_set_format (operation, "input", babl_format ("Y u8"));
+ gegl_operation_set_format (operation, "output", babl_format ("Y u8"));
+}
+
+static GeglRectangle
+gimp_operation_grow_get_required_for_output (GeglOperation *self,
+ const gchar *input_pad,
+ const GeglRectangle *roi)
+{
+ return *gegl_operation_source_get_bounding_box (self, "input");
+}
+
+static GeglRectangle
+gimp_operation_grow_get_cached_region (GeglOperation *self,
+ const GeglRectangle *roi)
+{
+ return *gegl_operation_source_get_bounding_box (self, "input");
+}
+
+static void
+compute_border (gint16 *circ,
+ guint16 xradius,
+ guint16 yradius)
+{
+ gint32 i;
+ gint32 diameter = xradius * 2 + 1;
+ gdouble tmp;
+
+ for (i = 0; i < diameter; i++)
+ {
+ if (i > xradius)
+ tmp = (i - xradius) - 0.5;
+ else if (i < xradius)
+ tmp = (xradius - i) - 0.5;
+ else
+ tmp = 0.0;
+
+ circ[i] = RINT (yradius /
+ (gdouble) xradius * sqrt (SQR (xradius) - SQR (tmp)));
+ }
+}
+
+static inline void
+rotate_pointers (guchar **p,
+ guint32 n)
+{
+ guint32 i;
+ guchar *tmp;
+
+ tmp = p[0];
+
+ for (i = 0; i < n - 1; i++)
+ p[i] = p[i + 1];
+
+ p[i] = tmp;
+}
+
+static gboolean
+gimp_operation_grow_process (GeglOperation *operation,
+ GeglBuffer *input,
+ GeglBuffer *output,
+ const GeglRectangle *roi,
+ gint level)
+{
+ /* Any bugs in this fuction are probably also in thin_region Blame
+ * all bugs in this function on jaycox gimp org
+ */
+ GimpOperationGrow *self = GIMP_OPERATION_GROW (operation);
+ const Babl *input_format = babl_format ("Y u8");
+ const Babl *output_format = babl_format ("Y u8");
+ gint32 i, j, x, y;
+ guchar **buf; /* caches the region's pixel data */
+ guchar *out; /* holds the new scan line we are computing */
+ guchar **max; /* caches the largest values for each column */
+ gint16 *circ; /* holds the y coords of the filter's mask */
+ gint16 last_max, last_index;
+ guchar *buffer;
+
+ max = g_new (guchar *, roi->width + 2 * self->radius_x);
+ buf = g_new (guchar *, self->radius_y + 1);
+
+ for (i = 0; i < self->radius_y + 1; i++)
+ buf[i] = g_new (guchar, roi->width);
+
+ buffer = g_new (guchar, (roi->width + 2 * self->radius_x) * (self->radius_y + 1));
+
+ for (i = 0; i < roi->width + 2 * self->radius_x; i++)
+ {
+ if (i < self->radius_x)
+ max[i] = buffer;
+ else if (i < roi->width + self->radius_x)
+ max[i] = &buffer[(self->radius_y + 1) * (i - self->radius_x)];
+ else
+ max[i] = &buffer[(self->radius_y + 1) * (roi->width + self->radius_x - 1)];
+
+ for (j = 0; j < self->radius_x + 1; j++)
+ max[i][j] = 0;
+ }
+
+ /* offset the max pointer by self->radius_x so the range of the
+ * array is [-self->radius_x] to [roi->width + self->radius_x]
+ */
+ max += self->radius_x;
+
+ out = g_new (guchar, roi->width);
+
+ circ = g_new (gint16, 2 * self->radius_x + 1);
+ compute_border (circ, self->radius_x, self->radius_y);
+
+ /* offset the circ pointer by self->radius_x so the range of the
+ * array is [-self->radius_x] to [self->radius_x]
+ */
+ circ += self->radius_x;
+
+ memset (buf[0], 0, roi->width);
+
+ for (i = 0; i < self->radius_y && i < roi->height; i++) /* load top of image */
+ gegl_buffer_get (input,
+ GIMP_GEGL_RECT (roi->x, roi->y + i,
+ roi->width, 1),
+ 1.0, input_format, buf[i + 1],
+ GEGL_AUTO_ROWSTRIDE);
+
+ for (x = 0; x < roi->width; x++) /* set up max for top of image */
+ {
+ max[x][0] = 0; /* buf[0][x] is always 0 */
+ max[x][1] = buf[1][x]; /* MAX (buf[1][x], max[x][0]) always = buf[1][x]*/
+
+ for (j = 2; j < self->radius_y + 1; j++)
+ max[x][j] = MAX(buf[j][x], max[x][j-1]);
+ }
+
+ for (y = 0; y < roi->height; y++)
+ {
+ rotate_pointers (buf, self->radius_y + 1);
+
+ if (y < roi->height - (self->radius_y))
+ gegl_buffer_get (input,
+ GIMP_GEGL_RECT (roi->x, roi->y + y + self->radius_y,
+ roi->width, 1),
+ 1.0, input_format, buf[self->radius_y],
+ GEGL_AUTO_ROWSTRIDE);
+ else
+ memset (buf[self->radius_y], 0, roi->width);
+
+ for (x = 0; x < roi->width; x++) /* update max array */
+ {
+ for (i = self->radius_y; i > 0; i--)
+ max[x][i] = MAX (MAX (max[x][i - 1], buf[i - 1][x]), buf[i][x]);
+
+ max[x][0] = buf[0][x];
+ }
+
+ last_max = max[0][circ[-1]];
+ last_index = 1;
+
+ for (x = 0; x < roi->width; x++) /* render scan line */
+ {
+ last_index--;
+
+ if (last_index >= 0)
+ {
+ if (last_max == 255)
+ {
+ out[x] = 255;
+ }
+ else
+ {
+ last_max = 0;
+
+ for (i = self->radius_x; i >= 0; i--)
+ if (last_max < max[x + i][circ[i]])
+ {
+ last_max = max[x + i][circ[i]];
+ last_index = i;
+ }
+
+ out[x] = last_max;
+ }
+ }
+ else
+ {
+ last_index = self->radius_x;
+ last_max = max[x + self->radius_x][circ[self->radius_x]];
+
+ for (i = self->radius_x - 1; i >= -self->radius_x; i--)
+ if (last_max < max[x + i][circ[i]])
+ {
+ last_max = max[x + i][circ[i]];
+ last_index = i;
+ }
+
+ out[x] = last_max;
+ }
+ }
+
+ gegl_buffer_set (output,
+ GIMP_GEGL_RECT (roi->x, roi->y + y,
+ roi->width, 1),
+ 1.0, output_format, out,
+ GEGL_AUTO_ROWSTRIDE);
+ }
+
+ /* undo the offsets to the pointers so we can free the malloced memmory */
+ circ -= self->radius_x;
+ max -= self->radius_x;
+
+ g_free (circ);
+ g_free (buffer);
+ g_free (max);
+
+ for (i = 0; i < self->radius_y + 1; i++)
+ g_free (buf[i]);
+
+ g_free (buf);
+ g_free (out);
+
+ return TRUE;
+}
diff --git a/app/gegl/gimpoperationgrow.h b/app/gegl/gimpoperationgrow.h
new file mode 100644
index 0000000..a1dca07
--- /dev/null
+++ b/app/gegl/gimpoperationgrow.h
@@ -0,0 +1,55 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoperationgrow.h
+ * Copyright (C) 2012 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_GROW_H__
+#define __GIMP_OPERATION_GROW_H__
+
+
+#include <gegl-plugin.h>
+
+
+#define GIMP_TYPE_OPERATION_GROW (gimp_operation_grow_get_type ())
+#define GIMP_OPERATION_GROW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_OPERATION_GROW, GimpOperationGrow))
+#define GIMP_OPERATION_GROW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_OPERATION_GROW, GimpOperationGrowClass))
+#define GIMP_IS_OPERATION_GROW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_OPERATION_GROW))
+#define GIMP_IS_OPERATION_GROW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_OPERATION_GROW))
+#define GIMP_OPERATION_GROW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_OPERATION_GROW, GimpOperationGrowClass))
+
+
+typedef struct _GimpOperationGrowClass GimpOperationGrowClass;
+
+struct _GimpOperationGrow
+{
+ GeglOperationFilter parent_instance;
+
+ gint radius_x;
+ gint radius_y;
+};
+
+struct _GimpOperationGrowClass
+{
+ GeglOperationFilterClass parent_class;
+};
+
+
+GType gimp_operation_grow_get_type (void) G_GNUC_CONST;
+
+
+#endif /* __GIMP_OPERATION_GROW_H__ */
diff --git a/app/paint-funcs/paint-funcs.c b/app/paint-funcs/paint-funcs.c
index 97a605c..58c022f 100644
--- a/app/paint-funcs/paint-funcs.c
+++ b/app/paint-funcs/paint-funcs.c
@@ -2066,180 +2066,6 @@ shapeburst_region (PixelRegion *srcPR,
return max_iterations;
}
-static void
-compute_border (gint16 *circ,
- guint16 xradius,
- guint16 yradius)
-{
- gint32 i;
- gint32 diameter = xradius * 2 + 1;
- gdouble tmp;
-
- for (i = 0; i < diameter; i++)
- {
- if (i > xradius)
- tmp = (i - xradius) - 0.5;
- else if (i < xradius)
- tmp = (xradius - i) - 0.5;
- else
- tmp = 0.0;
-
- circ[i] = RINT (yradius /
- (gdouble) xradius * sqrt (SQR (xradius) - SQR (tmp)));
- }
-}
-
-void
-fatten_region (PixelRegion *region,
- gint16 xradius,
- gint16 yradius)
-{
- /*
- Any bugs in this fuction are probably also in thin_region
- Blame all bugs in this function on jaycox gimp org
- */
- register gint32 i, j, x, y;
-
- guchar **buf; /* caches the region's pixel data */
- guchar *out; /* holds the new scan line we are computing */
- guchar **max; /* caches the largest values for each column */
- gint16 *circ; /* holds the y coords of the filter's mask */
- gint16 last_max, last_index;
-
- guchar *buffer;
-
- if (xradius <= 0 || yradius <= 0)
- return;
-
- max = g_new (guchar *, region->w + 2 * xradius);
- buf = g_new (guchar *, yradius + 1);
-
- for (i = 0; i < yradius + 1; i++)
- buf[i] = g_new (guchar, region->w);
-
- buffer = g_new (guchar, (region->w + 2 * xradius) * (yradius + 1));
-
- for (i = 0; i < region->w + 2 * xradius; i++)
- {
- if (i < xradius)
- max[i] = buffer;
- else if (i < region->w + xradius)
- max[i] = &buffer[(yradius + 1) * (i - xradius)];
- else
- max[i] = &buffer[(yradius + 1) * (region->w + xradius - 1)];
-
- for (j = 0; j < xradius + 1; j++)
- max[i][j] = 0;
- }
-
- /* offset the max pointer by xradius so the range of the array
- is [-xradius] to [region->w + xradius] */
- max += xradius;
-
- out = g_new (guchar, region->w);
-
- circ = g_new (gint16, 2 * xradius + 1);
- compute_border (circ, xradius, yradius);
-
- /* offset the circ pointer by xradius so the range of the array
- is [-xradius] to [xradius] */
- circ += xradius;
-
- memset (buf[0], 0, region->w);
-
- for (i = 0; i < yradius && i < region->h; i++) /* load top of image */
- pixel_region_get_row (region,
- region->x, region->y + i, region->w, buf[i + 1], 1);
-
- for (x = 0; x < region->w; x++) /* set up max for top of image */
- {
- max[x][0] = 0; /* buf[0][x] is always 0 */
- max[x][1] = buf[1][x]; /* MAX (buf[1][x], max[x][0]) always = buf[1][x]*/
-
- for (j = 2; j < yradius + 1; j++)
- max[x][j] = MAX(buf[j][x], max[x][j-1]);
- }
-
- for (y = 0; y < region->h; y++)
- {
- rotate_pointers (buf, yradius + 1);
-
- if (y < region->h - (yradius))
- pixel_region_get_row (region,
- region->x, region->y + y + yradius, region->w,
- buf[yradius], 1);
- else
- memset (buf[yradius], 0, region->w);
-
- for (x = 0; x < region->w; x++) /* update max array */
- {
- for (i = yradius; i > 0; i--)
- max[x][i] = MAX (MAX (max[x][i - 1], buf[i - 1][x]), buf[i][x]);
-
- max[x][0] = buf[0][x];
- }
-
- last_max = max[0][circ[-1]];
- last_index = 1;
-
- for (x = 0; x < region->w; x++) /* render scan line */
- {
- last_index--;
-
- if (last_index >= 0)
- {
- if (last_max == 255)
- {
- out[x] = 255;
- }
- else
- {
- last_max = 0;
-
- for (i = xradius; i >= 0; i--)
- if (last_max < max[x + i][circ[i]])
- {
- last_max = max[x + i][circ[i]];
- last_index = i;
- }
-
- out[x] = last_max;
- }
- }
- else
- {
- last_index = xradius;
- last_max = max[x + xradius][circ[xradius]];
-
- for (i = xradius - 1; i >= -xradius; i--)
- if (last_max < max[x + i][circ[i]])
- {
- last_max = max[x + i][circ[i]];
- last_index = i;
- }
-
- out[x] = last_max;
- }
- }
-
- pixel_region_set_row (region, region->x, region->y + y, region->w, out);
- }
-
- /* undo the offsets to the pointers so we can free the malloced memmory */
- circ -= xradius;
- max -= xradius;
-
- g_free (circ);
- g_free (buffer);
- g_free (max);
-
- for (i = 0; i < yradius + 1; i++)
- g_free (buf[i]);
-
- g_free (buf);
- g_free (out);
-}
-
/* Simple convolution filter to smooth a mask (1bpp). */
void
smooth_region (PixelRegion *region)
diff --git a/app/paint-funcs/paint-funcs.h b/app/paint-funcs/paint-funcs.h
index 74ebe79..4981ce6 100644
--- a/app/paint-funcs/paint-funcs.h
+++ b/app/paint-funcs/paint-funcs.h
@@ -296,10 +296,6 @@ gfloat shapeburst_region (PixelRegion *srcPR,
GimpProgressFunc progress_callback,
gpointer progress_data);
-void fatten_region (PixelRegion *region,
- gint16 xradius,
- gint16 yradius);
-
void smooth_region (PixelRegion *region);
void erode_region (PixelRegion *region);
void dilate_region (PixelRegion *region);
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]
