/* GIMP - The GNU 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 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 . */ #ifndef __GIMP_PAINT_CORE_H__ #define __GIMP_PAINT_CORE_H__ #include "core/gimpobject.h" #define GIMP_TYPE_PAINT_CORE (gimp_paint_core_get_type ()) #define GIMP_PAINT_CORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PAINT_CORE, GimpPaintCore)) #define GIMP_PAINT_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PAINT_CORE, GimpPaintCoreClass)) #define GIMP_IS_PAINT_CORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PAINT_CORE)) #define GIMP_IS_PAINT_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PAINT_CORE)) #define GIMP_PAINT_CORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PAINT_CORE, GimpPaintCoreClass)) typedef struct _GimpPaintCoreClass GimpPaintCoreClass; struct _GimpPaintCore { GimpObject parent_instance; gint ID; /* unique instance ID */ gchar *undo_desc; /* undo description */ GimpCoords start_coords; /* starting coords (for undo only) */ GimpCoords cur_coords; /* current coords */ GimpCoords last_coords; /* last coords */ GimpVector2 last_paint; /* last point that was painted */ gdouble distance; /* distance traveled by brush */ gdouble pixel_dist; /* distance in pixels */ gint x1, y1; /* undo extents in image coords */ gint x2, y2; /* undo extents in image coords */ gboolean use_saved_proj; /* keep the unmodified proj around */ TileManager *undo_tiles; /* tiles which have been modified */ TileManager *saved_proj_tiles; /* proj tiles which have been modified */ TileManager *canvas_tiles; /* the buffer to paint the mask to */ TempBuf *orig_buf; /* the unmodified drawable pixels */ TempBuf *orig_proj_buf; /* the unmodified projection pixels */ TempBuf *canvas_buf; /* the buffer to paint pixels to */ GArray *stroke_buffer; }; struct _GimpPaintCoreClass { GimpObjectClass parent_class; /* virtual functions */ gboolean (* start) (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, const GimpCoords *coords, GError **error); gboolean (* pre_paint) (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, GimpPaintState paint_state, guint32 time); void (* paint) (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, const GimpCoords *coords, GimpPaintState paint_state, guint32 time); void (* post_paint) (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, GimpPaintState paint_state, guint32 time); void (* interpolate) (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, guint32 time); TempBuf * (* get_paint_area) (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, const GimpCoords *coords); GimpUndo * (* push_undo) (GimpPaintCore *core, GimpImage *image, const gchar *undo_desc); }; GType gimp_paint_core_get_type (void) G_GNUC_CONST; void gimp_paint_core_paint (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, GimpPaintState state, guint32 time); gboolean gimp_paint_core_start (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, const GimpCoords *coords, GError **error); void gimp_paint_core_finish (GimpPaintCore *core, GimpDrawable *drawable, gboolean push_undo); void gimp_paint_core_cancel (GimpPaintCore *core, GimpDrawable *drawable); void gimp_paint_core_cleanup (GimpPaintCore *core); void gimp_paint_core_interpolate (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *paint_options, const GimpCoords *coords, guint32 time); void gimp_paint_core_set_current_coords (GimpPaintCore *core, const GimpCoords *coords); void gimp_paint_core_get_current_coords (GimpPaintCore *core, GimpCoords *coords); void gimp_paint_core_set_last_coords (GimpPaintCore *core, const GimpCoords *coords); void gimp_paint_core_get_last_coords (GimpPaintCore *core, GimpCoords *coords); void gimp_paint_core_round_line (GimpPaintCore *core, GimpPaintOptions *options, gboolean constrain_15_degrees); /* protected functions */ TempBuf * gimp_paint_core_get_paint_area (GimpPaintCore *core, GimpDrawable *drawable, GimpPaintOptions *options, const GimpCoords *coords); TempBuf * gimp_paint_core_get_orig_image (GimpPaintCore *core, GimpDrawable *drawable, gint x, gint y, gint width, gint height); TempBuf * gimp_paint_core_get_orig_proj (GimpPaintCore *core, GimpPickable *pickable, gint x, gint y, gint width, gint height); void gimp_paint_core_paste (GimpPaintCore *core, PixelRegion *paint_maskPR, GimpDrawable *drawable, gdouble paint_opacity, gdouble image_opacity, GimpLayerModeEffects paint_mode, GimpPaintApplicationMode mode); void gimp_paint_core_replace (GimpPaintCore *core, PixelRegion *paint_maskPR, GimpDrawable *drawable, gdouble paint_opacity, gdouble image_opacity, GimpPaintApplicationMode mode); void gimp_paint_core_validate_undo_tiles (GimpPaintCore *core, GimpDrawable *drawable, gint x, gint y, gint w, gint h); void gimp_paint_core_validate_saved_proj_tiles (GimpPaintCore *core, GimpPickable *pickable, gint x, gint y, gint w, gint h); void gimp_paint_core_validate_canvas_tiles (GimpPaintCore *core, gint x, gint y, gint w, gint h); void gimp_paint_core_smooth_coords (GimpPaintCore *core, GimpPaintOptions *paint_options, GimpCoords *coords); #endif /* __GIMP_PAINT_CORE_H__ */