mirror of https://github.com/GNOME/gimp.git
125 lines
4.7 KiB
C
125 lines
4.7 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_BRUSH_CORE_H__
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#define __GIMP_BRUSH_CORE_H__
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#include "gimppaintcore.h"
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#define BRUSH_CORE_SUBSAMPLE 4
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#define BRUSH_CORE_SOLID_SUBSAMPLE 2
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#define PRESSURE_SCALE 1.5
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#define GIMP_TYPE_BRUSH_CORE (gimp_brush_core_get_type ())
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#define GIMP_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCore))
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#define GIMP_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass))
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#define GIMP_IS_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_BRUSH_CORE))
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#define GIMP_IS_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_BRUSH_CORE))
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#define GIMP_BRUSH_CORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass))
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typedef struct _GimpBrushCoreClass GimpBrushCoreClass;
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struct _GimpBrushCore
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{
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GimpPaintCore parent_instance;
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GimpBrush *main_brush;
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GimpBrush *brush;
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gdouble spacing;
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gdouble scale;
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/* brush buffers */
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MaskBuf *pressure_brush;
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MaskBuf *solid_brushes[BRUSH_CORE_SOLID_SUBSAMPLE][BRUSH_CORE_SOLID_SUBSAMPLE];
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MaskBuf *last_solid_brush;
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gboolean solid_cache_invalid;
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MaskBuf *scale_brush;
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MaskBuf *last_scale_brush;
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gint last_scale_width;
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gint last_scale_height;
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MaskBuf *scale_pixmap;
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MaskBuf *last_scale_pixmap;
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gint last_scale_pixmap_width;
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gint last_scale_pixmap_height;
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MaskBuf *kernel_brushes[BRUSH_CORE_SUBSAMPLE + 1][BRUSH_CORE_SUBSAMPLE + 1];
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MaskBuf *last_brush_mask;
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gboolean cache_invalid;
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gdouble jitter;
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/* don't use these... */
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BoundSeg *brush_bound_segs;
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gint n_brush_bound_segs;
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gint brush_bound_width;
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gint brush_bound_height;
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};
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struct _GimpBrushCoreClass
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{
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GimpPaintCoreClass parent_class;
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/* Set for tools that don't mind if the brush changes while painting */
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gboolean handles_changing_brush;
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/* Scale the brush mask depending on pressure */
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gboolean use_scale;
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void (* set_brush) (GimpBrushCore *core,
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GimpBrush *brush);
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};
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GType gimp_brush_core_get_type (void) G_GNUC_CONST;
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void gimp_brush_core_set_brush (GimpBrushCore *core,
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GimpBrush *brush);
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void gimp_brush_core_paste_canvas (GimpBrushCore *core,
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GimpDrawable *drawable,
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gdouble brush_opacity,
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gdouble image_opacity,
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GimpLayerModeEffects paint_mode,
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GimpBrushApplicationMode brush_hardness,
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GimpPaintApplicationMode mode);
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void gimp_brush_core_replace_canvas (GimpBrushCore *core,
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GimpDrawable *drawable,
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gdouble brush_opacity,
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gdouble image_opacity,
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GimpBrushApplicationMode brush_hardness,
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GimpPaintApplicationMode mode);
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void gimp_brush_core_color_area_with_pixmap
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(GimpBrushCore *core,
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GimpImage *dest,
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GimpDrawable *drawable,
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TempBuf *area,
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gdouble scale,
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GimpBrushApplicationMode mode);
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#endif /* __GIMP_BRUSH_CORE_H__ */
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