mirror of https://github.com/GNOME/gimp.git
198 lines
7.5 KiB
C
198 lines
7.5 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_PAINT_TOOL_H__
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#define __GIMP_PAINT_TOOL_H__
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#include "tools/gimpdrawtool.h"
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/* the different states that the painting function can be called with */
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typedef enum /*< skip >*/
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{
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INIT_PAINT, /* Setup PaintFunc internals */
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MOTION_PAINT, /* PaintFunc performs motion-related rendering */
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PAUSE_PAINT, /* Unused. Reserved */
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RESUME_PAINT, /* Unused. Reserved */
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FINISH_PAINT, /* Cleanup and/or reset PaintFunc operation */
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PRETRACE_PAINT, /* PaintFunc performs window tracing activity prior to rendering */
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POSTTRACE_PAINT /* PaintFunc performs window tracing activity following rendering */
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} PaintState;
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typedef enum /*< skip >*/
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{
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TOOL_CAN_HANDLE_CHANGING_BRUSH = 0x0001, /* Set for tools that don't mind
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* if the brush changes while
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* painting.
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*/
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TOOL_TRACES_ON_WINDOW /* Set for tools that perform temporary
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* rendering directly to the window. These
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* require sequencing with gdisplay_flush()
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* routines. See clone.c for example.
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*/
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} ToolFlags;
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#define GIMP_TYPE_PAINT_TOOL (gimp_paint_tool_get_type ())
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#define GIMP_PAINT_TOOL(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_PAINT_TOOL, GimpPaintTool))
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#define GIMP_IS_PAINT_TOOL(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_PAINT_TOOL))
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#define GIMP_PAINT_TOOL_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PAINT_TOOL, GimpPaintToolClass))
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#define GIMP_IS_PAINT_TOOL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PAINT_TOOL))
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typedef struct _GimpPaintToolClass GimpPaintToolClass;
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struct _GimpPaintTool
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{
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GimpDrawTool parent_instance;
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gdouble startx; /* starting x coord */
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gdouble starty; /* starting y coord */
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gdouble startpressure; /* starting pressure */
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gdouble startxtilt; /* starting xtilt */
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gdouble startytilt; /* starting ytilt */
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#ifdef GTK_HAVE_SIX_VALUATORS
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gdouble startwheel; /* starting wheel */
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#endif /* GTK_HAVE_SIX_VALUATORS */
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gdouble curx; /* current x coord */
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gdouble cury; /* current y coord */
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gdouble curpressure; /* current pressure */
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gdouble curxtilt; /* current xtilt */
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gdouble curytilt; /* current ytilt */
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#ifdef GTK_HAVE_SIX_VALUATORS
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gdouble curwheel; /* current wheel */
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#endif /* GTK_HAVE_SIX_VALUATORS */
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gdouble lastx; /* last x coord */
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gdouble lasty; /* last y coord */
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gdouble lastpressure; /* last pressure */
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gdouble lastxtilt; /* last xtilt */
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gdouble lastytilt; /* last ytilt */
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#ifdef GTK_HAVE_SIX_VALUATORS
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gdouble lastwheel; /* last wheel */
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#endif /* GTK_HAVE_SIX_VALUATORS */
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gint state; /* state of buttons and keys */
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gdouble distance; /* distance traveled by brush */
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gdouble pixel_dist; /* distance in pixels */
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gdouble spacing; /* spacing */
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gint x1, y1; /* image space coordinate */
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gint x2, y2; /* image space coords */
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GimpBrush * brush; /* current brush */
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gboolean pick_colors; /* pick color if ctrl or alt is pressed */
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gboolean pick_state; /* was ctrl or alt pressed when clicked? */
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ToolFlags flags; /* tool flags, see ToolFlags above */
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guint context_id; /* for the statusbar */
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};
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struct _GimpPaintToolClass
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{
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GimpDrawToolClass parent_class;
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void (* paint) (GimpPaintTool *tool,
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GimpDrawable *drawable,
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PaintState paint_state);
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};
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/* Special undo type */
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typedef struct _PaintUndo PaintUndo;
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struct _PaintUndo
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{
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GimpPaintTool *tool;
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gdouble lastx;
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gdouble lasty;
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gdouble lastpressure;
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gdouble lastxtilt;
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gdouble lastytilt;
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#ifdef GTK_HAVE_SIX_VALUATORS
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gdouble lastwheel;
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#endif /* GTK_HAVE_SIX_VALUATORS */
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};
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GtkType gimp_paint_tool_get_type (void);
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void gimp_paint_tool_paint (GimpPaintTool *tool,
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GimpDrawable *drawable,
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PaintState state);
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void gimp_paint_tool_no_draw (GimpPaintTool *tool);
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int gimp_paint_tool_start (GimpPaintTool *tool,
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GimpDrawable *drawable,
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gdouble x,
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gdouble y);
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void gimp_paint_tool_interpolate (GimpPaintTool *tool,
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GimpDrawable *drawable);
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void gimp_paint_tool_finish (GimpPaintTool *tool,
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GimpDrawable *drawable);
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void gimp_paint_tool_cleanup (void);
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void gimp_paint_tool_get_color_from_gradient (GimpPaintTool *tool,
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gdouble gradient_length,
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GimpRGB *color,
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GradientPaintMode mode);
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/* paint tool painting functions */
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TempBuf * gimp_paint_tool_get_paint_area (GimpPaintTool *tool,
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GimpDrawable *drawable,
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gdouble scale);
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TempBuf * gimp_paint_tool_get_orig_image (GimpPaintTool *tool,
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GimpDrawable *drawable,
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gint x1,
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gint y1,
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gint x2,
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gint y2);
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void gimp_paint_tool_paste_canvas (GimpPaintTool *tool,
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GimpDrawable *drawable,
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gint brush_opacity,
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gint image_opacity,
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LayerModeEffects paint_mode,
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BrushApplicationMode brush_hardness,
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gdouble brush_scale,
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PaintApplicationMode mode);
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void gimp_paint_tool_replace_canvas (GimpPaintTool *tool,
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GimpDrawable *drawable,
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gint brush_opacity,
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gint image_opacity,
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BrushApplicationMode brush_hardness,
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gdouble brush_scale,
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PaintApplicationMode mode);
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void gimp_paint_tool_color_area_with_pixmap (GimpPaintTool *tool,
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GimpImage *dest,
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GimpDrawable *drawable,
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TempBuf *area,
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gdouble scale,
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BrushApplicationMode mode);
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#endif /* __GIMP_PAINT_TOOL_H__ */
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