gimp/app/tools/gimpdrawtool.h

186 lines
9.8 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others.
*
* 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_DRAW_TOOL_H__
#define __GIMP_DRAW_TOOL_H__
#include "libgimptool/gimptool.h"
typedef enum
{
GIMP_DRAW_TOOL_STATE_INVISIBLE,
GIMP_DRAW_TOOL_STATE_VISIBLE
} GimpDrawToolState;
typedef enum
{
GIMP_HANDLE_SQUARE,
GIMP_HANDLE_FILLED_SQUARE,
GIMP_HANDLE_CIRCLE,
GIMP_HANDLE_FILLED_CIRCLE,
GIMP_HANDLE_CROSS
} GimpHandleType;
#define GIMP_TYPE_DRAW_TOOL (gimp_draw_tool_get_type ())
#define GIMP_DRAW_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_DRAW_TOOL, GimpDrawTool))
#define GIMP_DRAW_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_DRAW_TOOL, GimpDrawToolClass))
#define GIMP_IS_DRAW_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_DRAW_TOOL))
#define GIMP_IS_DRAW_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_DRAW_TOOL))
#define GIMP_DRAW_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_DRAW_TOOL, GimpDrawToolClass))
typedef struct _GimpDrawToolClass GimpDrawToolClass;
struct _GimpDrawTool
{
GimpTool parent_instance;
GimpDisplay *gdisp; /* The display we are drawing to (may be
* a different one than tool->gdisp)
*/
GdkWindow *win; /* Window to draw draw operation to */
GdkGC *gc; /* Graphics context for draw functions */
GimpDrawToolState draw_state; /* Current state in the draw process */
gint paused_count; /* count to keep track of multiple pauses */
gint line_width; /* line attributes */
gint line_style; /**/
gint cap_style; /**/
gint join_style; /**/
};
struct _GimpDrawToolClass
{
GimpToolClass parent_class;
/* virtual function */
void (* draw) (GimpDrawTool *draw_tool);
};
GType gimp_draw_tool_get_type (void) G_GNUC_CONST;
void gimp_draw_tool_start (GimpDrawTool *draw_tool,
GimpDisplay *gdisp);
void gimp_draw_tool_stop (GimpDrawTool *draw_tool);
void gimp_draw_tool_pause (GimpDrawTool *draw_tool);
void gimp_draw_tool_resume (GimpDrawTool *draw_tool);
gdouble gimp_draw_tool_calc_distance (GimpDrawTool *draw_tool,
GimpDisplay *gdisp,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2);
gboolean gimp_draw_tool_in_radius (GimpDrawTool *draw_tool,
GimpDisplay *gdisp,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2,
gint radius);
void gimp_draw_tool_draw_line (GimpDrawTool *draw_tool,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2,
gboolean use_offsets);
void gimp_draw_tool_draw_rectangle (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
gboolean use_offsets);
void gimp_draw_tool_draw_arc (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
gint angle1,
gint angle2,
gboolean use_offsets);
void gimp_draw_tool_draw_rectangle_by_anchor (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
gdouble y,
gint width,
gint height,
GtkAnchorType anchor,
gboolean use_offsets);
void gimp_draw_tool_draw_arc_by_anchor (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
gdouble y,
gint radius_x,
gint radius_y,
gint angle1,
gint angle2,
GtkAnchorType anchor,
gboolean use_offsets);
void gimp_draw_tool_draw_cross_by_anchor (GimpDrawTool *draw_tool,
gdouble x,
gdouble y,
gint width,
gint height,
GtkAnchorType anchor,
gboolean use_offsets);
void gimp_draw_tool_draw_handle (GimpDrawTool *draw_tool,
GimpHandleType type,
gdouble x,
gdouble y,
gint width,
gint height,
GtkAnchorType anchor,
gboolean use_offsets);
gboolean gimp_draw_tool_on_handle (GimpDrawTool *draw_tool,
GimpDisplay *gdisp,
gdouble x,
gdouble y,
GimpHandleType type,
gdouble handle_x,
gdouble handle_y,
gint width,
gint height,
GtkAnchorType anchor,
gboolean use_offsets);
void gimp_draw_tool_draw_lines (GimpDrawTool *draw_tool,
gdouble *points,
gint n_points,
gboolean filled,
gboolean use_offsets);
void gimp_draw_tool_draw_strokes (GimpDrawTool *draw_tool,
GimpCoords *points,
gint n_points,
gboolean filled,
gboolean use_offsets);
#endif /* __GIMP_DRAW_TOOL_H__ */