gimp/app/core/gimpbrush.h

155 lines
8.3 KiB
C

/* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_BRUSH_H__
#define __GIMP_BRUSH_H__
#include "gimpdata.h"
#define GIMP_TYPE_BRUSH (gimp_brush_get_type ())
#define GIMP_BRUSH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_BRUSH, GimpBrush))
#define GIMP_BRUSH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_BRUSH, GimpBrushClass))
#define GIMP_IS_BRUSH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_BRUSH))
#define GIMP_IS_BRUSH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_BRUSH))
#define GIMP_BRUSH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_BRUSH, GimpBrushClass))
typedef struct _GimpBrushPrivate GimpBrushPrivate;
typedef struct _GimpBrushClass GimpBrushClass;
struct _GimpBrush
{
GimpData parent_instance;
GimpBrushPrivate *priv;
};
struct _GimpBrushClass
{
GimpDataClass parent_class;
/* virtual functions */
void (* begin_use) (GimpBrush *brush);
void (* end_use) (GimpBrush *brush);
GimpBrush * (* select_brush) (GimpBrush *brush,
const GimpCoords *last_coords,
const GimpCoords *current_coords);
gboolean (* want_null_motion) (GimpBrush *brush,
const GimpCoords *last_coords,
const GimpCoords *current_coords);
void (* transform_size) (GimpBrush *brush,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gint *width,
gint *height);
GimpTempBuf * (* transform_mask) (GimpBrush *brush,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gdouble hardness);
GimpTempBuf * (* transform_pixmap) (GimpBrush *brush,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gdouble hardness);
GimpBezierDesc * (* transform_boundary) (GimpBrush *brush,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gdouble hardness,
gint *width,
gint *height);
/* signals */
void (* spacing_changed) (GimpBrush *brush);
};
GType gimp_brush_get_type (void) G_GNUC_CONST;
GimpData * gimp_brush_new (GimpContext *context,
const gchar *name);
GimpData * gimp_brush_get_standard (GimpContext *context);
void gimp_brush_begin_use (GimpBrush *brush);
void gimp_brush_end_use (GimpBrush *brush);
GimpBrush * gimp_brush_select_brush (GimpBrush *brush,
const GimpCoords *last_coords,
const GimpCoords *current_coords);
gboolean gimp_brush_want_null_motion (GimpBrush *brush,
const GimpCoords *last_coords,
const GimpCoords *current_coords);
/* Gets width and height of a transformed mask of the brush, for
* provided parameters.
*/
void gimp_brush_transform_size (GimpBrush *brush,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gint *width,
gint *height);
const GimpTempBuf * gimp_brush_transform_mask (GimpBrush *brush,
GeglNode *op,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gdouble hardness);
const GimpTempBuf * gimp_brush_transform_pixmap (GimpBrush *brush,
GeglNode *op,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gdouble hardness);
const GimpBezierDesc * gimp_brush_transform_boundary (GimpBrush *brush,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gboolean reflect,
gdouble hardness,
gint *width,
gint *height);
GimpTempBuf * gimp_brush_get_mask (GimpBrush *brush);
GimpTempBuf * gimp_brush_get_pixmap (GimpBrush *brush);
gint gimp_brush_get_width (GimpBrush *brush);
gint gimp_brush_get_height (GimpBrush *brush);
gint gimp_brush_get_spacing (GimpBrush *brush);
void gimp_brush_set_spacing (GimpBrush *brush,
gint spacing);
GimpVector2 gimp_brush_get_x_axis (GimpBrush *brush);
GimpVector2 gimp_brush_get_y_axis (GimpBrush *brush);
void gimp_brush_flush_blur_caches (GimpBrush *brush);
gdouble gimp_brush_get_blur_hardness (GimpBrush *brush);
#endif /* __GIMP_BRUSH_H__ */