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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_BRUSH_CORE_H__
#define __GIMP_BRUSH_CORE_H__
#include "gimppaintcore.h"
#define BRUSH_CORE_SUBSAMPLE 4
#define BRUSH_CORE_SOLID_SUBSAMPLE 2
#define PRESSURE_SCALE 1.5
#define GIMP_TYPE_BRUSH_CORE (gimp_brush_core_get_type ())
#define GIMP_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCore))
#define GIMP_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass))
#define GIMP_IS_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_BRUSH_CORE))
#define GIMP_IS_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_BRUSH_CORE))
#define GIMP_BRUSH_CORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass))
typedef struct _GimpBrushCoreClass GimpBrushCoreClass;
struct _GimpBrushCore
{
GimpPaintCore parent_instance;
GimpBrush *main_brush;
GimpBrush *brush;
gdouble spacing;
gdouble scale;
/* brush buffers */
MaskBuf *pressure_brush;
MaskBuf *solid_brushes[BRUSH_CORE_SOLID_SUBSAMPLE][BRUSH_CORE_SOLID_SUBSAMPLE];
MaskBuf *last_solid_brush;
gboolean solid_cache_invalid;
MaskBuf *scale_brush;
MaskBuf *last_scale_brush;
gint last_scale_width;
gint last_scale_height;
MaskBuf *scale_pixmap;
MaskBuf *last_scale_pixmap;
gint last_scale_pixmap_width;
gint last_scale_pixmap_height;
MaskBuf *kernel_brushes[BRUSH_CORE_SUBSAMPLE + 1][BRUSH_CORE_SUBSAMPLE + 1];
MaskBuf *last_brush_mask;
gboolean cache_invalid;
/* don't use these... */
BoundSeg *brush_bound_segs;
gint n_brush_bound_segs;
gint brush_bound_width;
gint brush_bound_height;
};
struct _GimpBrushCoreClass
{
GimpPaintCoreClass parent_class;
/* Set for tools that don't mind if the brush changes while painting */
gboolean handles_changing_brush;
/* Scale the brush mask depending on pressure */
gboolean use_scale;
void (* set_brush) (GimpBrushCore *core,
GimpBrush *brush);
};
GType gimp_brush_core_get_type (void) G_GNUC_CONST;
void gimp_brush_core_set_brush (GimpBrushCore *core,
GimpBrush *brush);
void gimp_brush_core_paste_canvas (GimpBrushCore *core,
GimpDrawable *drawable,
gdouble brush_opacity,
gdouble image_opacity,
GimpLayerModeEffects paint_mode,
GimpBrushApplicationMode brush_hardness,
GimpPaintApplicationMode mode);
void gimp_brush_core_replace_canvas (GimpBrushCore *core,
GimpDrawable *drawable,
gdouble brush_opacity,
gdouble image_opacity,
GimpBrushApplicationMode brush_hardness,
GimpPaintApplicationMode mode);
void gimp_brush_core_color_area_with_pixmap
(GimpBrushCore *core,
GimpImage *dest,
GimpDrawable *drawable,
TempBuf *area,
gdouble scale,
GimpBrushApplicationMode mode);
#endif /* __GIMP_BRUSH_CORE_H__ */
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