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308 lines
10 KiB
C
308 lines
10 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_DRAWABLE_H__
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#define __GDK_DRAWABLE_H__
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#include <gdk/gdktypes.h>
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#include <gdk/gdkgc.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <cairo.h>
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G_BEGIN_DECLS
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typedef struct _GdkDrawableClass GdkDrawableClass;
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typedef struct _GdkTrapezoid GdkTrapezoid;
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#define GDK_TYPE_DRAWABLE (gdk_drawable_get_type ())
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#define GDK_DRAWABLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAWABLE, GdkDrawable))
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#define GDK_DRAWABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAWABLE, GdkDrawableClass))
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#define GDK_IS_DRAWABLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAWABLE))
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#define GDK_IS_DRAWABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAWABLE))
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#define GDK_DRAWABLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAWABLE, GdkDrawableClass))
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struct _GdkDrawable
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{
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GObject parent_instance;
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};
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struct _GdkDrawableClass
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{
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GObjectClass parent_class;
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GdkGC *(*create_gc) (GdkDrawable *drawable,
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GdkGCValues *values,
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GdkGCValuesMask mask);
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void (*draw_rectangle) (GdkDrawable *drawable,
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GdkGC *gc,
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gboolean filled,
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gint x,
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gint y,
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gint width,
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gint height);
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void (*draw_arc) (GdkDrawable *drawable,
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GdkGC *gc,
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gboolean filled,
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gint x,
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gint y,
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gint width,
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gint height,
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gint angle1,
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gint angle2);
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void (*draw_polygon) (GdkDrawable *drawable,
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GdkGC *gc,
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gboolean filled,
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GdkPoint *points,
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gint npoints);
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void (*draw_drawable) (GdkDrawable *drawable,
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GdkGC *gc,
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GdkDrawable *src,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height);
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void (*draw_points) (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPoint *points,
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gint npoints);
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void (*draw_segments) (GdkDrawable *drawable,
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GdkGC *gc,
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GdkSegment *segs,
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gint nsegs);
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void (*draw_lines) (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPoint *points,
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gint npoints);
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void (*draw_glyphs) (GdkDrawable *drawable,
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GdkGC *gc,
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PangoFont *font,
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gint x,
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gint y,
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PangoGlyphString *glyphs);
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gint (*get_depth) (GdkDrawable *drawable);
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void (*get_size) (GdkDrawable *drawable,
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gint *width,
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gint *height);
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void (*set_colormap) (GdkDrawable *drawable,
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GdkColormap *cmap);
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GdkColormap* (*get_colormap) (GdkDrawable *drawable);
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GdkVisual* (*get_visual) (GdkDrawable *drawable);
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GdkScreen* (*get_screen) (GdkDrawable *drawable);
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cairo_region_t* (*get_clip_region) (GdkDrawable *drawable);
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cairo_region_t* (*get_visible_region) (GdkDrawable *drawable);
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GdkDrawable* (*get_composite_drawable) (GdkDrawable *drawable,
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gint x,
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gint y,
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gint width,
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gint height,
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gint *composite_x_offset,
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gint *composite_y_offset);
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void (*draw_glyphs_transformed) (GdkDrawable *drawable,
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GdkGC *gc,
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PangoMatrix *matrix,
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PangoFont *font,
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gint x,
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gint y,
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PangoGlyphString *glyphs);
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void (*draw_trapezoids) (GdkDrawable *drawable,
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GdkGC *gc,
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GdkTrapezoid *trapezoids,
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gint n_trapezoids);
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cairo_surface_t *(*ref_cairo_surface) (GdkDrawable *drawable);
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GdkDrawable *(*get_source_drawable) (GdkDrawable *drawable);
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void (*set_cairo_clip) (GdkDrawable *drawable,
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cairo_t *cr);
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cairo_surface_t * (*create_cairo_surface) (GdkDrawable *drawable,
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int width,
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int height);
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void (*draw_drawable_with_src) (GdkDrawable *drawable,
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GdkGC *gc,
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GdkDrawable *src,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height,
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GdkDrawable *original_src);
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/* Padding for future expansion */
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void (*_gdk_reserved7) (void);
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void (*_gdk_reserved9) (void);
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void (*_gdk_reserved10) (void);
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void (*_gdk_reserved11) (void);
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void (*_gdk_reserved12) (void);
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void (*_gdk_reserved13) (void);
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void (*_gdk_reserved14) (void);
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void (*_gdk_reserved15) (void);
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};
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struct _GdkTrapezoid
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{
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double y1, x11, x21, y2, x12, x22;
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};
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GType gdk_drawable_get_type (void) G_GNUC_CONST;
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/* Manipulation of drawables
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*/
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void gdk_drawable_get_size (GdkDrawable *drawable,
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gint *width,
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gint *height);
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void gdk_drawable_set_colormap (GdkDrawable *drawable,
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GdkColormap *colormap);
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GdkColormap* gdk_drawable_get_colormap (GdkDrawable *drawable);
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GdkVisual* gdk_drawable_get_visual (GdkDrawable *drawable);
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gint gdk_drawable_get_depth (GdkDrawable *drawable);
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GdkScreen* gdk_drawable_get_screen (GdkDrawable *drawable);
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GdkDisplay* gdk_drawable_get_display (GdkDrawable *drawable);
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/* Drawing
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*/
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void gdk_draw_point (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y);
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void gdk_draw_line (GdkDrawable *drawable,
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GdkGC *gc,
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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 gdk_draw_rectangle (GdkDrawable *drawable,
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GdkGC *gc,
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gboolean filled,
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gint x,
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gint y,
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gint width,
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gint height);
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void gdk_draw_arc (GdkDrawable *drawable,
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GdkGC *gc,
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gboolean filled,
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gint x,
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gint y,
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gint width,
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gint height,
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gint angle1,
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gint angle2);
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void gdk_draw_polygon (GdkDrawable *drawable,
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GdkGC *gc,
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gboolean filled,
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const GdkPoint *points,
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gint n_points);
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void gdk_draw_drawable (GdkDrawable *drawable,
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GdkGC *gc,
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GdkDrawable *src,
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gint xsrc,
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gint ysrc,
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gint xdest,
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gint ydest,
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gint width,
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gint height);
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void gdk_draw_points (GdkDrawable *drawable,
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GdkGC *gc,
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const GdkPoint *points,
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gint n_points);
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void gdk_draw_segments (GdkDrawable *drawable,
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GdkGC *gc,
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const GdkSegment *segs,
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gint n_segs);
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void gdk_draw_lines (GdkDrawable *drawable,
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GdkGC *gc,
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const GdkPoint *points,
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gint n_points);
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void gdk_draw_glyphs (GdkDrawable *drawable,
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GdkGC *gc,
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PangoFont *font,
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gint x,
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gint y,
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PangoGlyphString *glyphs);
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void gdk_draw_layout_line (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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PangoLayoutLine *line);
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void gdk_draw_layout (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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PangoLayout *layout);
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void gdk_draw_layout_line_with_colors (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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PangoLayoutLine *line,
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const GdkColor *foreground,
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const GdkColor *background);
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void gdk_draw_layout_with_colors (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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PangoLayout *layout,
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const GdkColor *foreground,
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const GdkColor *background);
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void gdk_draw_glyphs_transformed (GdkDrawable *drawable,
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GdkGC *gc,
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const PangoMatrix *matrix,
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PangoFont *font,
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gint x,
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gint y,
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PangoGlyphString *glyphs);
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void gdk_draw_trapezoids (GdkDrawable *drawable,
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GdkGC *gc,
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const GdkTrapezoid *trapezoids,
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gint n_trapezoids);
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cairo_region_t *gdk_drawable_get_clip_region (GdkDrawable *drawable);
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cairo_region_t *gdk_drawable_get_visible_region (GdkDrawable *drawable);
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G_END_DECLS
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#endif /* __GDK_DRAWABLE_H__ */
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