c3387fcf67
The pipe index for velocity was being multiplied by 3.0 and rounded, making it larger than the available rank and always clamped to the last brush image in velocity ranks.
278 lines
8.4 KiB
C
278 lines
8.4 KiB
C
/* GIMP - The GNU Image Manipulation Program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
* Copyright (C) 1999 Adrian Likins and Tor Lillqvist
|
|
*
|
|
* 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 <gdk-pixbuf/gdk-pixbuf.h>
|
|
#include <gegl.h>
|
|
|
|
#include "libgimpmath/gimpmath.h"
|
|
|
|
#include "core-types.h"
|
|
|
|
#include "gimpbrush-private.h"
|
|
#include "gimpbrushpipe.h"
|
|
#include "gimpbrushpipe-load.h"
|
|
|
|
|
|
static void gimp_brush_pipe_finalize (GObject *object);
|
|
|
|
static gint64 gimp_brush_pipe_get_memsize (GimpObject *object,
|
|
gint64 *gui_size);
|
|
|
|
static gboolean gimp_brush_pipe_get_popup_size (GimpViewable *viewable,
|
|
gint width,
|
|
gint height,
|
|
gboolean dot_for_dot,
|
|
gint *popup_width,
|
|
gint *popup_height);
|
|
|
|
static void gimp_brush_pipe_begin_use (GimpBrush *brush);
|
|
static void gimp_brush_pipe_end_use (GimpBrush *brush);
|
|
static GimpBrush * gimp_brush_pipe_select_brush (GimpBrush *brush,
|
|
const GimpCoords *last_coords,
|
|
const GimpCoords *current_coords);
|
|
static gboolean gimp_brush_pipe_want_null_motion (GimpBrush *brush,
|
|
const GimpCoords *last_coords,
|
|
const GimpCoords *current_coords);
|
|
|
|
|
|
G_DEFINE_TYPE (GimpBrushPipe, gimp_brush_pipe, GIMP_TYPE_BRUSH);
|
|
|
|
#define parent_class gimp_brush_pipe_parent_class
|
|
|
|
|
|
static void
|
|
gimp_brush_pipe_class_init (GimpBrushPipeClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
|
|
GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
|
|
GimpBrushClass *brush_class = GIMP_BRUSH_CLASS (klass);
|
|
|
|
object_class->finalize = gimp_brush_pipe_finalize;
|
|
|
|
gimp_object_class->get_memsize = gimp_brush_pipe_get_memsize;
|
|
|
|
viewable_class->get_popup_size = gimp_brush_pipe_get_popup_size;
|
|
|
|
brush_class->begin_use = gimp_brush_pipe_begin_use;
|
|
brush_class->end_use = gimp_brush_pipe_end_use;
|
|
brush_class->select_brush = gimp_brush_pipe_select_brush;
|
|
brush_class->want_null_motion = gimp_brush_pipe_want_null_motion;
|
|
}
|
|
|
|
static void
|
|
gimp_brush_pipe_init (GimpBrushPipe *pipe)
|
|
{
|
|
pipe->current = NULL;
|
|
pipe->dimension = 0;
|
|
pipe->rank = NULL;
|
|
pipe->stride = NULL;
|
|
pipe->n_brushes = 0;
|
|
pipe->brushes = NULL;
|
|
pipe->select = NULL;
|
|
pipe->index = NULL;
|
|
}
|
|
|
|
static void
|
|
gimp_brush_pipe_finalize (GObject *object)
|
|
{
|
|
GimpBrushPipe *pipe = GIMP_BRUSH_PIPE (object);
|
|
|
|
if (pipe->rank)
|
|
{
|
|
g_free (pipe->rank);
|
|
pipe->rank = NULL;
|
|
}
|
|
if (pipe->stride)
|
|
{
|
|
g_free (pipe->stride);
|
|
pipe->stride = NULL;
|
|
}
|
|
|
|
if (pipe->brushes)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < pipe->n_brushes; i++)
|
|
if (pipe->brushes[i])
|
|
g_object_unref (pipe->brushes[i]);
|
|
|
|
g_free (pipe->brushes);
|
|
pipe->brushes = NULL;
|
|
}
|
|
|
|
if (pipe->select)
|
|
{
|
|
g_free (pipe->select);
|
|
pipe->select = NULL;
|
|
}
|
|
if (pipe->index)
|
|
{
|
|
g_free (pipe->index);
|
|
pipe->index = NULL;
|
|
}
|
|
|
|
GIMP_BRUSH (pipe)->priv->mask = NULL;
|
|
GIMP_BRUSH (pipe)->priv->pixmap = NULL;
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static gint64
|
|
gimp_brush_pipe_get_memsize (GimpObject *object,
|
|
gint64 *gui_size)
|
|
{
|
|
GimpBrushPipe *pipe = GIMP_BRUSH_PIPE (object);
|
|
gint64 memsize = 0;
|
|
gint i;
|
|
|
|
memsize += pipe->dimension * (sizeof (gint) /* rank */ +
|
|
sizeof (gint) /* stride */ +
|
|
sizeof (PipeSelectModes));
|
|
|
|
for (i = 0; i < pipe->n_brushes; i++)
|
|
memsize += gimp_object_get_memsize (GIMP_OBJECT (pipe->brushes[i]),
|
|
gui_size);
|
|
|
|
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
|
|
gui_size);
|
|
}
|
|
|
|
static gboolean
|
|
gimp_brush_pipe_get_popup_size (GimpViewable *viewable,
|
|
gint width,
|
|
gint height,
|
|
gboolean dot_for_dot,
|
|
gint *popup_width,
|
|
gint *popup_height)
|
|
{
|
|
return gimp_viewable_get_size (viewable, popup_width, popup_height);
|
|
}
|
|
|
|
static void
|
|
gimp_brush_pipe_begin_use (GimpBrush *brush)
|
|
{
|
|
GimpBrushPipe *pipe = GIMP_BRUSH_PIPE (brush);
|
|
gint i;
|
|
|
|
GIMP_BRUSH_CLASS (parent_class)->begin_use (brush);
|
|
|
|
for (i = 0; i < pipe->n_brushes; i++)
|
|
if (pipe->brushes[i])
|
|
gimp_brush_begin_use (pipe->brushes[i]);
|
|
}
|
|
|
|
static void
|
|
gimp_brush_pipe_end_use (GimpBrush *brush)
|
|
{
|
|
GimpBrushPipe *pipe = GIMP_BRUSH_PIPE (brush);
|
|
gint i;
|
|
|
|
GIMP_BRUSH_CLASS (parent_class)->end_use (brush);
|
|
|
|
for (i = 0; i < pipe->n_brushes; i++)
|
|
if (pipe->brushes[i])
|
|
gimp_brush_end_use (pipe->brushes[i]);
|
|
}
|
|
|
|
static GimpBrush *
|
|
gimp_brush_pipe_select_brush (GimpBrush *brush,
|
|
const GimpCoords *last_coords,
|
|
const GimpCoords *current_coords)
|
|
{
|
|
GimpBrushPipe *pipe = GIMP_BRUSH_PIPE (brush);
|
|
gint i, brushix, ix;
|
|
|
|
if (pipe->n_brushes == 1)
|
|
return GIMP_BRUSH (pipe->current);
|
|
|
|
brushix = 0;
|
|
for (i = 0; i < pipe->dimension; i++)
|
|
{
|
|
switch (pipe->select[i])
|
|
{
|
|
case PIPE_SELECT_INCREMENTAL:
|
|
ix = (pipe->index[i] + 1) % pipe->rank[i];
|
|
break;
|
|
|
|
case PIPE_SELECT_ANGULAR:
|
|
/* Coords angle is already nomalized,
|
|
* offset by 90 degrees is still needed
|
|
* because hoses were made PS compatible*/
|
|
ix = (gint) RINT ((1.0 - current_coords->direction + 0.25) * pipe->rank[i]) % pipe->rank[i];
|
|
break;
|
|
|
|
case PIPE_SELECT_VELOCITY:
|
|
ix = ROUND (current_coords->velocity * pipe->rank[i]);
|
|
break;
|
|
|
|
case PIPE_SELECT_RANDOM:
|
|
/* This probably isn't the right way */
|
|
ix = g_random_int_range (0, pipe->rank[i]);
|
|
break;
|
|
|
|
case PIPE_SELECT_PRESSURE:
|
|
ix = RINT (current_coords->pressure * (pipe->rank[i] - 1));
|
|
break;
|
|
|
|
case PIPE_SELECT_TILT_X:
|
|
ix = RINT (current_coords->xtilt / 2.0 * pipe->rank[i]) + pipe->rank[i] / 2;
|
|
break;
|
|
|
|
case PIPE_SELECT_TILT_Y:
|
|
ix = RINT (current_coords->ytilt / 2.0 * pipe->rank[i]) + pipe->rank[i] / 2;
|
|
break;
|
|
|
|
case PIPE_SELECT_CONSTANT:
|
|
default:
|
|
ix = pipe->index[i];
|
|
break;
|
|
}
|
|
|
|
pipe->index[i] = CLAMP (ix, 0, pipe->rank[i] - 1);
|
|
brushix += pipe->stride[i] * pipe->index[i];
|
|
}
|
|
|
|
/* Make sure is inside bounds */
|
|
brushix = CLAMP (brushix, 0, pipe->n_brushes - 1);
|
|
|
|
pipe->current = pipe->brushes[brushix];
|
|
|
|
return GIMP_BRUSH (pipe->current);
|
|
}
|
|
|
|
static gboolean
|
|
gimp_brush_pipe_want_null_motion (GimpBrush *brush,
|
|
const GimpCoords *last_coords,
|
|
const GimpCoords *current_coords)
|
|
{
|
|
GimpBrushPipe *pipe = GIMP_BRUSH_PIPE (brush);
|
|
gint i;
|
|
|
|
if (pipe->n_brushes == 1)
|
|
return TRUE;
|
|
|
|
for (i = 0; i < pipe->dimension; i++)
|
|
if (pipe->select[i] == PIPE_SELECT_ANGULAR)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|