gimp/app/display/gimpcanvas.h

174 lines
8.6 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_CANVAS_H__
#define __GIMP_CANVAS_H__
#include "widgets/gimpoverlaybox.h"
typedef enum
{
GIMP_CANVAS_STYLE_BLACK,
GIMP_CANVAS_STYLE_WHITE,
GIMP_CANVAS_STYLE_RENDER,
GIMP_CANVAS_STYLE_XOR,
GIMP_CANVAS_STYLE_XOR_DASHED,
GIMP_CANVAS_STYLE_XOR_DOTTED,
GIMP_CANVAS_STYLE_SELECTION_IN,
GIMP_CANVAS_STYLE_SELECTION_OUT,
GIMP_CANVAS_STYLE_LAYER_BOUNDARY,
GIMP_CANVAS_STYLE_LAYER_GROUP_BOUNDARY,
GIMP_CANVAS_STYLE_GUIDE_NORMAL,
GIMP_CANVAS_STYLE_GUIDE_ACTIVE,
GIMP_CANVAS_STYLE_SAMPLE_POINT_NORMAL,
GIMP_CANVAS_STYLE_SAMPLE_POINT_ACTIVE,
GIMP_CANVAS_STYLE_LAYER_MASK_ACTIVE,
GIMP_CANVAS_STYLE_CUSTOM,
GIMP_CANVAS_NUM_STYLES
} GimpCanvasStyle;
#define GIMP_CANVAS_NUM_STIPPLES 8
#define GIMP_CANVAS_EVENT_MASK (GDK_EXPOSURE_MASK | \
GDK_POINTER_MOTION_MASK | \
GDK_POINTER_MOTION_HINT_MASK | \
GDK_BUTTON_PRESS_MASK | \
GDK_BUTTON_RELEASE_MASK | \
GDK_STRUCTURE_MASK | \
GDK_ENTER_NOTIFY_MASK | \
GDK_LEAVE_NOTIFY_MASK | \
GDK_FOCUS_CHANGE_MASK | \
GDK_KEY_PRESS_MASK | \
GDK_KEY_RELEASE_MASK | \
GDK_PROXIMITY_OUT_MASK)
#define GIMP_TYPE_CANVAS (gimp_canvas_get_type ())
#define GIMP_CANVAS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CANVAS, GimpCanvas))
#define GIMP_CANVAS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CANVAS, GimpCanvasClass))
#define GIMP_IS_CANVAS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CANVAS))
#define GIMP_IS_CANVAS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CANVAS))
#define GIMP_CANVAS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CANVAS, GimpCanvasClass))
typedef struct _GimpCanvasClass GimpCanvasClass;
struct _GimpCanvas
{
GimpOverlayBox parent_instance;
GimpDisplayConfig *config;
GdkGC *gc[GIMP_CANVAS_NUM_STYLES];
GdkBitmap *stipple[GIMP_CANVAS_NUM_STIPPLES];
PangoLayout *layout;
};
struct _GimpCanvasClass
{
GimpOverlayBoxClass parent_class;
};
GType gimp_canvas_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_canvas_new (GimpDisplayConfig *config);
void gimp_canvas_draw_cursor (GimpCanvas *canvas,
gint x,
gint y);
void gimp_canvas_draw_point (GimpCanvas *canvas,
GimpCanvasStyle style,
gint x,
gint y);
void gimp_canvas_draw_points (GimpCanvas *canvas,
GimpCanvasStyle style,
GdkPoint *points,
gint num_points);
void gimp_canvas_draw_line (GimpCanvas *canvas,
GimpCanvasStyle style,
gint x1,
gint y1,
gint x2,
gint y2);
void gimp_canvas_draw_lines (GimpCanvas *canvas,
GimpCanvasStyle style,
GdkPoint *points,
gint num_points);
void gimp_canvas_draw_rectangle (GimpCanvas *canvas,
GimpCanvasStyle style,
gboolean filled,
gint x,
gint y,
gint width,
gint height);
void gimp_canvas_draw_arc (GimpCanvas *canvas,
GimpCanvasStyle style,
gboolean filled,
gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2);
void gimp_canvas_draw_polygon (GimpCanvas *canvas,
GimpCanvasStyle style,
gboolean filled,
GdkPoint *points,
gint num_points);
void gimp_canvas_draw_segments (GimpCanvas *canvas,
GimpCanvasStyle style,
GdkSegment *segments,
gint num_segments);
void gimp_canvas_draw_text (GimpCanvas *canvas,
GimpCanvasStyle style,
gint x,
gint y,
const gchar *format,
...) G_GNUC_PRINTF (5, 6);
void gimp_canvas_draw_rgb (GimpCanvas *canvas,
GimpCanvasStyle style,
gint x,
gint y,
gint width,
gint height,
guchar *rgb_buf,
gint rowstride,
gint xdith,
gint ydith);
void gimp_canvas_draw_drop_zone (GimpCanvas *canvas,
cairo_t *cr);
void gimp_canvas_set_clip_rect (GimpCanvas *canvas,
GimpCanvasStyle style,
const GdkRectangle *rect);
void gimp_canvas_set_clip_region (GimpCanvas *canvas,
GimpCanvasStyle style,
const GdkRegion *region);
void gimp_canvas_set_stipple_index (GimpCanvas *canvas,
GimpCanvasStyle style,
guint index);
void gimp_canvas_set_custom_gc (GimpCanvas *canvas,
GdkGC *gc);
void gimp_canvas_set_bg_color (GimpCanvas *canvas,
GimpRGB *color);
#endif /* __GIMP_CANVAS_H__ */