mirror of https://github.com/GNOME/gimp.git
203 lines
8.5 KiB
C
203 lines
8.5 KiB
C
/* 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_PAINT_CORE_H__
|
|
#define __GIMP_PAINT_CORE_H__
|
|
|
|
|
|
#include "core/gimpobject.h"
|
|
|
|
#include "tools/tools-types.h" /* temp hack */
|
|
#include "tools/paint_options.h" /* temp hack */
|
|
|
|
|
|
#define PAINT_CORE_SUBSAMPLE 4
|
|
|
|
|
|
/* the different states that the painting function can be called with */
|
|
|
|
typedef enum /*< pdb-skip >*/
|
|
{
|
|
INIT_PAINT, /* Setup PaintFunc internals */
|
|
MOTION_PAINT, /* PaintFunc performs motion-related rendering */
|
|
PAUSE_PAINT, /* Unused. Reserved */
|
|
RESUME_PAINT, /* Unused. Reserved */
|
|
FINISH_PAINT, /* Cleanup and/or reset PaintFunc operation */
|
|
PRETRACE_PAINT, /* PaintFunc performs window tracing activity prior to rendering */
|
|
POSTTRACE_PAINT /* PaintFunc performs window tracing activity following rendering */
|
|
} GimpPaintCoreState;
|
|
|
|
typedef enum /*< pdb-skip >*/
|
|
{
|
|
/* Set for tools that don't mind if
|
|
* the brush changes while painting.
|
|
*/
|
|
CORE_HANDLES_CHANGING_BRUSH = 0x1 << 0,
|
|
|
|
/* Set for tools that perform
|
|
* temporary rendering directly to the
|
|
* window. These require sequencing with
|
|
* gdisplay_flush() routines.
|
|
* See gimpclone.c for example.
|
|
*/
|
|
CORE_TRACES_ON_WINDOW = 0x1 << 1
|
|
} GimpPaintCoreFlags;
|
|
|
|
|
|
#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 */
|
|
|
|
GimpCoords start_coords; /* starting coords (for undo only) */
|
|
|
|
GimpCoords cur_coords; /* current coords */
|
|
GimpCoords last_coords; /* last coords */
|
|
|
|
gdouble distance; /* distance traveled by brush */
|
|
gdouble pixel_dist; /* distance in pixels */
|
|
gdouble spacing; /* spacing */
|
|
|
|
gint x1, y1; /* undo extents in image coords */
|
|
gint x2, y2; /* undo extents in image coords */
|
|
|
|
GimpBrush *brush; /* current brush */
|
|
|
|
GimpPaintCoreFlags flags; /* tool flags, see ToolFlags above */
|
|
gboolean use_pressure; /* look at coords->pressure */
|
|
|
|
/* undo blocks variables */
|
|
TileManager *undo_tiles;
|
|
TileManager *canvas_tiles;
|
|
|
|
/* paint buffers variables */
|
|
TempBuf *orig_buf;
|
|
TempBuf *canvas_buf;
|
|
|
|
/* brush buffers */
|
|
MaskBuf *pressure_brush;
|
|
|
|
MaskBuf *solid_brush;
|
|
MaskBuf *last_solid_brush;
|
|
|
|
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[PAINT_CORE_SUBSAMPLE + 1][PAINT_CORE_SUBSAMPLE + 1];
|
|
|
|
MaskBuf *last_brush_mask;
|
|
gboolean cache_invalid;
|
|
|
|
/* don't use this one... */
|
|
GimpBrush *grr_brush;
|
|
};
|
|
|
|
struct _GimpPaintCoreClass
|
|
{
|
|
GimpObjectClass parent_class;
|
|
|
|
/* virtual function */
|
|
|
|
void (* paint) (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
GimpPaintOptions *paint_options,
|
|
GimpPaintCoreState paint_state);
|
|
};
|
|
|
|
|
|
GType gimp_paint_core_get_type (void) G_GNUC_CONST;
|
|
|
|
void gimp_paint_core_paint (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
GimpPaintOptions *paint_options,
|
|
GimpPaintCoreState state);
|
|
|
|
gboolean gimp_paint_core_start (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
GimpCoords *coords);
|
|
void gimp_paint_core_finish (GimpPaintCore *core,
|
|
GimpDrawable *drawable);
|
|
void gimp_paint_core_cleanup (GimpPaintCore *core);
|
|
|
|
void gimp_paint_core_constrain (GimpPaintCore *core);
|
|
|
|
void gimp_paint_core_interpolate (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
GimpPaintOptions *paint_options);
|
|
|
|
|
|
/* protected functions */
|
|
|
|
void gimp_paint_core_get_color_from_gradient (GimpPaintCore *core,
|
|
GimpGradient *gradient,
|
|
gdouble gradient_length,
|
|
GimpRGB *color,
|
|
GradientPaintMode mode);
|
|
|
|
TempBuf * gimp_paint_core_get_paint_area (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
gdouble scale);
|
|
TempBuf * gimp_paint_core_get_orig_image (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
gint x1,
|
|
gint y1,
|
|
gint x2,
|
|
gint y2);
|
|
void gimp_paint_core_paste_canvas (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
gint brush_opacity,
|
|
gint image_opacity,
|
|
GimpLayerModeEffects paint_mode,
|
|
BrushApplicationMode brush_hardness,
|
|
gdouble brush_scale,
|
|
PaintApplicationMode mode);
|
|
void gimp_paint_core_replace_canvas (GimpPaintCore *core,
|
|
GimpDrawable *drawable,
|
|
gint brush_opacity,
|
|
gint image_opacity,
|
|
BrushApplicationMode brush_hardness,
|
|
gdouble brush_scale,
|
|
PaintApplicationMode mode);
|
|
void gimp_paint_core_color_area_with_pixmap (GimpPaintCore *core,
|
|
GimpImage *dest,
|
|
GimpDrawable *drawable,
|
|
TempBuf *area,
|
|
gdouble scale,
|
|
BrushApplicationMode mode);
|
|
|
|
|
|
#endif /* __GIMP_PAINT_CORE_H__ */
|