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Viewing changes to app/paint/gimppaintcore.h

  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2005-10-04 19:04:46 UTC
  • Revision ID: james.westby@ubuntu.com-20051004190446-ukh32kwk56s4sjhu
Tags: upstream-2.2.8
Import upstream version 2.2.8

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app/paint/gimppaintcore.h
 
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/* 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_PAINT_CORE_H__
 
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#define __GIMP_PAINT_CORE_H__
 
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#include "core/gimpobject.h"
 
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#define GIMP_TYPE_PAINT_CORE            (gimp_paint_core_get_type ())
 
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#define GIMP_PAINT_CORE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PAINT_CORE, GimpPaintCore))
 
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#define GIMP_PAINT_CORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PAINT_CORE, GimpPaintCoreClass))
 
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#define GIMP_IS_PAINT_CORE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PAINT_CORE))
 
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#define GIMP_IS_PAINT_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PAINT_CORE))
 
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#define GIMP_PAINT_CORE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PAINT_CORE, GimpPaintCoreClass))
 
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typedef struct _GimpPaintCoreClass GimpPaintCoreClass;
 
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struct _GimpPaintCore
 
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{
 
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  GimpObject   parent_instance;
 
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  gint         ID;            /*  unique instance ID               */
 
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  GimpCoords   start_coords;  /*  starting coords (for undo only)  */
 
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  GimpCoords   cur_coords;    /*  current coords                   */
 
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  GimpCoords   last_coords;   /*  last coords                      */
 
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  GimpVector2  last_paint;    /*  last point that was painted      */
 
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  gdouble      distance;      /*  distance traveled by brush       */
 
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  gdouble      pixel_dist;    /*  distance in pixels               */
 
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  gint         x1, y1;        /*  undo extents in image coords     */
 
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  gint         x2, y2;        /*  undo extents in image coords     */
 
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  gboolean     use_pressure;  /*  look at coords->pressure         */
 
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  TileManager *undo_tiles;    /*  tiles which have been modified   */
 
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  TileManager *canvas_tiles;  /*  the buffer to paint the mask to  */
 
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  TempBuf     *orig_buf;      /*  the unmodified drawable pixels   */
 
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  TempBuf     *canvas_buf;    /*  the buffer to paint pixels to    */
 
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};
 
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struct _GimpPaintCoreClass
 
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{
 
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  GimpObjectClass  parent_class;
 
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  /*  virtual functions  */
 
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  gboolean  (* start)          (GimpPaintCore    *core,
 
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                                GimpDrawable     *drawable,
 
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                                GimpPaintOptions *paint_options,
 
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                                GimpCoords       *coords);
 
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  gboolean  (* pre_paint)      (GimpPaintCore    *core,
 
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                                GimpDrawable     *drawable,
 
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                                GimpPaintOptions *paint_options,
 
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                                GimpPaintState    paint_state,
 
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                                guint32           time);
 
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  void      (* paint)          (GimpPaintCore    *core,
 
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                                GimpDrawable     *drawable,
 
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                                GimpPaintOptions *paint_options,
 
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                                GimpPaintState    paint_state,
 
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                                guint32           time);
 
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  void      (* post_paint)     (GimpPaintCore    *core,
 
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                                GimpDrawable     *drawable,
 
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                                GimpPaintOptions *paint_options,
 
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                                GimpPaintState    paint_state,
 
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                                guint32           time);
 
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  void      (* interpolate)    (GimpPaintCore    *core,
 
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                                GimpDrawable     *drawable,
 
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                                GimpPaintOptions *paint_options,
 
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                                guint32           time);
 
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  TempBuf * (* get_paint_area) (GimpPaintCore    *core,
 
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                                GimpDrawable     *drawable,
 
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                                GimpPaintOptions *paint_options);
 
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  gboolean  (* push_undo)      (GimpPaintCore    *core,
 
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                                GimpImage        *gimage,
 
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                                const gchar      *undo_desc);
 
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};
 
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GType     gimp_paint_core_get_type       (void) G_GNUC_CONST;
 
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void      gimp_paint_core_paint          (GimpPaintCore      *core,
 
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                                          GimpDrawable       *drawable,
 
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                                          GimpPaintOptions   *paint_options,
 
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                                          GimpPaintState      state,
 
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                                          guint32             time);
 
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gboolean  gimp_paint_core_start          (GimpPaintCore      *core,
 
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                                          GimpDrawable       *drawable,
 
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                                          GimpPaintOptions   *paint_options,
 
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                                          GimpCoords         *coords);
 
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void      gimp_paint_core_finish         (GimpPaintCore      *core,
 
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                                          GimpDrawable       *drawable);
 
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void      gimp_paint_core_cancel         (GimpPaintCore      *core,
 
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                                          GimpDrawable       *drawable);
 
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void      gimp_paint_core_cleanup        (GimpPaintCore      *core);
 
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void      gimp_paint_core_interpolate    (GimpPaintCore      *core,
 
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                                          GimpDrawable       *drawable,
 
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                                          GimpPaintOptions   *paint_options,
 
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                                          guint32             time);
 
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/*  protected functions  */
 
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TempBuf * gimp_paint_core_get_paint_area (GimpPaintCore      *core,
 
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                                          GimpDrawable       *drawable,
 
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                                          GimpPaintOptions   *options);
 
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TempBuf * gimp_paint_core_get_orig_image (GimpPaintCore      *core,
 
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                                          GimpDrawable       *drawable,
 
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                                          gint                x1,
 
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                                          gint                y1,
 
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                                          gint                x2,
 
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                                          gint                y2);
 
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void      gimp_paint_core_paste    (GimpPaintCore            *core,
 
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                                    PixelRegion              *paint_maskPR,
 
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                                    GimpDrawable             *drawable,
 
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                                    gdouble                   paint_opacity,
 
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                                    gdouble                   image_opacity,
 
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                                    GimpLayerModeEffects      paint_mode,
 
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                                    GimpPaintApplicationMode  mode);
 
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void      gimp_paint_core_replace  (GimpPaintCore            *core,
 
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                                    PixelRegion              *paint_maskPR,
 
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                                    GimpDrawable             *drawable,
 
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                                    gdouble                   paint_opacity,
 
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                                    gdouble                   image_opacity,
 
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                                    GimpPaintApplicationMode  mode);
 
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void    gimp_paint_core_validate_undo_tiles   (GimpPaintCore *core,
 
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                                               GimpDrawable  *drawable,
 
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                                               gint           x,
 
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                                               gint           y,
 
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                                               gint           w,
 
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                                               gint           h);
 
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void    gimp_paint_core_validate_canvas_tiles (GimpPaintCore *core,
 
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                                               gint           x,
 
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                                               gint           y,
 
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                                               gint           w,
 
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                                               gint           h);
 
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#endif  /*  __GIMP_PAINT_CORE_H__  */