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289 lines
7.8 KiB
C
289 lines
7.8 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
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#error "Only <gdk/gdk.h> can be included directly."
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#endif
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#ifndef __GDK_GC_H__
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#define __GDK_GC_H__
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#include <gdk/gdkcolor.h>
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#include <gdk/gdktypes.h>
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G_BEGIN_DECLS
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typedef struct _GdkGCValues GdkGCValues;
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typedef struct _GdkGCClass GdkGCClass;
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/* GC cap styles
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* CapNotLast:
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* CapButt:
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* CapRound:
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* CapProjecting:
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*/
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typedef enum
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{
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GDK_CAP_NOT_LAST,
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GDK_CAP_BUTT,
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GDK_CAP_ROUND,
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GDK_CAP_PROJECTING
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} GdkCapStyle;
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/* GC fill types.
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* Solid:
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* Tiled:
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* Stippled:
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* OpaqueStippled:
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*/
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typedef enum
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{
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GDK_SOLID,
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GDK_TILED,
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GDK_STIPPLED,
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GDK_OPAQUE_STIPPLED
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} GdkFill;
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/* GC function types.
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* Copy: Overwrites destination pixels with the source pixels.
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* Invert: Inverts the destination pixels.
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* Xor: Xor's the destination pixels with the source pixels.
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* Clear: set pixels to 0
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* And: source AND destination
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* And Reverse: source AND (NOT destination)
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* And Invert: (NOT source) AND destination
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* Noop: destination
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* Or: source OR destination
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* Nor: (NOT source) AND (NOT destination)
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* Equiv: (NOT source) XOR destination
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* Xor Reverse: source OR (NOT destination)
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* Copy Inverted: NOT source
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* Xor Inverted: (NOT source) OR destination
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* Nand: (NOT source) OR (NOT destination)
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* Set: set pixels to 1
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*/
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typedef enum
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{
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GDK_COPY,
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GDK_INVERT,
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GDK_XOR,
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GDK_CLEAR,
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GDK_AND,
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GDK_AND_REVERSE,
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GDK_AND_INVERT,
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GDK_NOOP,
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GDK_OR,
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GDK_EQUIV,
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GDK_OR_REVERSE,
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GDK_COPY_INVERT,
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GDK_OR_INVERT,
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GDK_NAND,
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GDK_NOR,
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GDK_SET
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} GdkFunction;
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/* GC join styles
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* JoinMiter:
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* JoinRound:
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* JoinBevel:
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*/
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typedef enum
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{
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GDK_JOIN_MITER,
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GDK_JOIN_ROUND,
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GDK_JOIN_BEVEL
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} GdkJoinStyle;
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/* GC line styles
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* Solid:
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* OnOffDash:
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* DoubleDash:
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*/
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typedef enum
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{
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GDK_LINE_SOLID,
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GDK_LINE_ON_OFF_DASH,
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GDK_LINE_DOUBLE_DASH
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} GdkLineStyle;
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typedef enum
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{
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GDK_CLIP_BY_CHILDREN = 0,
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GDK_INCLUDE_INFERIORS = 1
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} GdkSubwindowMode;
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typedef enum
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{
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GDK_GC_FOREGROUND = 1 << 0,
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GDK_GC_BACKGROUND = 1 << 1,
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GDK_GC_FUNCTION = 1 << 2,
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GDK_GC_FILL = 1 << 3,
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GDK_GC_TILE = 1 << 4,
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GDK_GC_STIPPLE = 1 << 5,
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GDK_GC_CLIP_MASK = 1 << 6,
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GDK_GC_SUBWINDOW = 1 << 7,
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GDK_GC_TS_X_ORIGIN = 1 << 8,
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GDK_GC_TS_Y_ORIGIN = 1 << 9,
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GDK_GC_CLIP_X_ORIGIN = 1 << 10,
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GDK_GC_CLIP_Y_ORIGIN = 1 << 11,
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GDK_GC_EXPOSURES = 1 << 12,
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GDK_GC_LINE_WIDTH = 1 << 13,
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GDK_GC_LINE_STYLE = 1 << 14,
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GDK_GC_CAP_STYLE = 1 << 15,
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GDK_GC_JOIN_STYLE = 1 << 16
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} GdkGCValuesMask;
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struct _GdkGCValues
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{
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GdkColor foreground;
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GdkColor background;
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GdkFunction function;
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GdkFill fill;
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GdkPixmap *tile;
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GdkPixmap *stipple;
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GdkPixmap *clip_mask;
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GdkSubwindowMode subwindow_mode;
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gint ts_x_origin;
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gint ts_y_origin;
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gint clip_x_origin;
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gint clip_y_origin;
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gint graphics_exposures;
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gint line_width;
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GdkLineStyle line_style;
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GdkCapStyle cap_style;
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GdkJoinStyle join_style;
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};
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#define GDK_TYPE_GC (gdk_gc_get_type ())
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#define GDK_GC(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_GC, GdkGC))
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#define GDK_GC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_GC, GdkGCClass))
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#define GDK_IS_GC(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_GC))
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#define GDK_IS_GC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_GC))
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#define GDK_GC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_GC, GdkGCClass))
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struct _GdkGC
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{
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GObject parent_instance;
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gint GSEAL (clip_x_origin);
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gint GSEAL (clip_y_origin);
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gint GSEAL (ts_x_origin);
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gint GSEAL (ts_y_origin);
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GdkColormap *GSEAL (colormap);
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};
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struct _GdkGCClass
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{
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GObjectClass parent_class;
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void (*get_values) (GdkGC *gc,
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GdkGCValues *values);
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void (*set_values) (GdkGC *gc,
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GdkGCValues *values,
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GdkGCValuesMask mask);
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void (*set_dashes) (GdkGC *gc,
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gint dash_offset,
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gint8 dash_list[],
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gint n);
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/* Padding for future expansion */
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void (*_gdk_reserved1) (void);
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void (*_gdk_reserved2) (void);
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void (*_gdk_reserved3) (void);
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void (*_gdk_reserved4) (void);
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};
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GType gdk_gc_get_type (void) G_GNUC_CONST;
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GdkGC *gdk_gc_new (GdkDrawable *drawable);
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GdkGC *gdk_gc_new_with_values (GdkDrawable *drawable,
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GdkGCValues *values,
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GdkGCValuesMask values_mask);
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void gdk_gc_get_values (GdkGC *gc,
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GdkGCValues *values);
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void gdk_gc_set_values (GdkGC *gc,
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GdkGCValues *values,
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GdkGCValuesMask values_mask);
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void gdk_gc_set_foreground (GdkGC *gc,
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const GdkColor *color);
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void gdk_gc_set_background (GdkGC *gc,
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const GdkColor *color);
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void gdk_gc_set_function (GdkGC *gc,
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GdkFunction function);
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void gdk_gc_set_fill (GdkGC *gc,
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GdkFill fill);
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void gdk_gc_set_tile (GdkGC *gc,
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GdkPixmap *tile);
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void gdk_gc_set_stipple (GdkGC *gc,
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GdkPixmap *stipple);
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void gdk_gc_set_ts_origin (GdkGC *gc,
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gint x,
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gint y);
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void gdk_gc_set_clip_origin (GdkGC *gc,
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gint x,
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gint y);
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void gdk_gc_set_clip_mask (GdkGC *gc,
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GdkBitmap *mask);
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void gdk_gc_set_clip_rectangle (GdkGC *gc,
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const GdkRectangle *rectangle);
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void gdk_gc_set_clip_region (GdkGC *gc,
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const cairo_region_t *region);
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void gdk_gc_set_subwindow (GdkGC *gc,
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GdkSubwindowMode mode);
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void gdk_gc_set_exposures (GdkGC *gc,
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gboolean exposures);
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void gdk_gc_set_line_attributes (GdkGC *gc,
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gint line_width,
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GdkLineStyle line_style,
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GdkCapStyle cap_style,
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GdkJoinStyle join_style);
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void gdk_gc_set_dashes (GdkGC *gc,
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gint dash_offset,
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gint8 dash_list[],
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gint n);
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void gdk_gc_offset (GdkGC *gc,
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gint x_offset,
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gint y_offset);
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void gdk_gc_copy (GdkGC *dst_gc,
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GdkGC *src_gc);
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void gdk_gc_set_colormap (GdkGC *gc,
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GdkColormap *colormap);
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GdkColormap *gdk_gc_get_colormap (GdkGC *gc);
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void gdk_gc_set_rgb_fg_color (GdkGC *gc,
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const GdkColor *color);
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void gdk_gc_set_rgb_bg_color (GdkGC *gc,
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const GdkColor *color);
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GdkScreen * gdk_gc_get_screen (GdkGC *gc);
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G_END_DECLS
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#endif /* __GDK_DRAWABLE_H__ */
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