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/* 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 <https://www.gnu.org/licenses/>.
*/
#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 */
gboolean show_all; /* whether working in show-all mode */
GimpCoords start_coords; /* the last stroke's endpoint for undo */
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 */
GimpPickable *image_pickable; /* the image pickable */
GeglBuffer *undo_buffer; /* pixels which have been modified */
GeglBuffer *saved_proj_buffer; /* proj tiles which have been modified */
GeglBuffer *canvas_buffer; /* the buffer to paint the mask to */
GeglBuffer *paint_buffer; /* the buffer to paint pixels to */
gint paint_buffer_x;
gint paint_buffer_y;
GeglBuffer *mask_buffer; /* the target drawable's mask */
gint mask_x_offset;
gint mask_y_offset;
GimpApplicator *applicator;
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,
GimpSymmetry *sym,
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);
GeglBuffer * (* get_paint_buffer) (GimpPaintCore *core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
GimpLayerMode paint_mode,
const GimpCoords *coords,
gint *paint_buffer_x,
gint *paint_buffer_y,
gint *paint_width,
gint *paint_height);
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_show_all (GimpPaintCore *core,
gboolean show_all);
gboolean gimp_paint_core_get_show_all (GimpPaintCore *core);
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,
gdouble constrain_offset_angle,
gdouble constrain_xres,
gdouble constrain_yres);
/* protected functions */
GeglBuffer * gimp_paint_core_get_paint_buffer (GimpPaintCore *core,
GimpDrawable *drawable,
GimpPaintOptions *options,
GimpLayerMode paint_mode,
const GimpCoords *coords,
gint *paint_buffer_x,
gint *paint_buffer_y,
gint *paint_width,
gint *paint_height);
GimpPickable * gimp_paint_core_get_image_pickable (GimpPaintCore *core);
GeglBuffer * gimp_paint_core_get_orig_image (GimpPaintCore *core);
GeglBuffer * gimp_paint_core_get_orig_proj (GimpPaintCore *core);
void gimp_paint_core_paste (GimpPaintCore *core,
const GimpTempBuf *paint_mask,
gint paint_mask_offset_x,
gint paint_mask_offset_y,
GimpDrawable *drawable,
gdouble paint_opacity,
gdouble image_opacity,
GimpLayerMode paint_mode,
GimpPaintApplicationMode mode);
void gimp_paint_core_replace (GimpPaintCore *core,
const GimpTempBuf *paint_mask,
gint paint_mask_offset_x,
gint paint_mask_offset_y,
GimpDrawable *drawable,
gdouble paint_opacity,
gdouble image_opacity,
GimpPaintApplicationMode mode);
void gimp_paint_core_smooth_coords (GimpPaintCore *core,
GimpPaintOptions *paint_options,
GimpCoords *coords);
#endif /* __GIMP_PAINT_CORE_H__ */
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