675 lines
20 KiB
C
675 lines
20 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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#include "config.h"
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#include "gdkpixmap.h"
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#include "gdkinternals.h"
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#include "gdkpixbuf.h"
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#include "gdkscreen.h"
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#include "gdkalias.h"
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static GdkGC *gdk_pixmap_create_gc (GdkDrawable *drawable,
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GdkGCValues *values,
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GdkGCValuesMask mask);
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static void gdk_pixmap_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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static void gdk_pixmap_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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static void gdk_pixmap_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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static void gdk_pixmap_draw_text (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const gchar *text,
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gint text_length);
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static void gdk_pixmap_draw_text_wc (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const GdkWChar *text,
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gint text_length);
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static void gdk_pixmap_draw_drawable (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixmap *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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static void gdk_pixmap_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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static void gdk_pixmap_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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static void gdk_pixmap_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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static void gdk_pixmap_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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static void gdk_pixmap_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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static void gdk_pixmap_draw_image (GdkDrawable *drawable,
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GdkGC *gc,
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GdkImage *image,
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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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static void gdk_pixmap_draw_pixbuf (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixbuf *pixbuf,
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gint src_x,
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gint src_y,
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gint dest_x,
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gint dest_y,
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gint width,
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gint height,
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GdkRgbDither dither,
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gint x_dither,
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gint y_dither);
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static void gdk_pixmap_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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static void gdk_pixmap_real_get_size (GdkDrawable *drawable,
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gint *width,
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gint *height);
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static GdkImage* gdk_pixmap_copy_to_image (GdkDrawable *drawable,
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GdkImage *image,
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gint src_x,
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gint src_y,
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gint dest_x,
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gint dest_y,
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gint width,
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gint height);
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static cairo_surface_t *gdk_pixmap_ref_cairo_surface (GdkDrawable *drawable);
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static GdkVisual* gdk_pixmap_real_get_visual (GdkDrawable *drawable);
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static gint gdk_pixmap_real_get_depth (GdkDrawable *drawable);
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static void gdk_pixmap_real_set_colormap (GdkDrawable *drawable,
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GdkColormap *cmap);
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static GdkColormap* gdk_pixmap_real_get_colormap (GdkDrawable *drawable);
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static GdkScreen* gdk_pixmap_real_get_screen (GdkDrawable *drawable);
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static void gdk_pixmap_init (GdkPixmapObject *pixmap);
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static void gdk_pixmap_class_init (GdkPixmapObjectClass *klass);
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static void gdk_pixmap_finalize (GObject *object);
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static gpointer parent_class = NULL;
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GType
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gdk_pixmap_get_type (void)
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{
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static GType object_type = 0;
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if (!object_type)
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object_type = g_type_register_static_simple (GDK_TYPE_DRAWABLE,
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"GdkPixmap",
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sizeof (GdkPixmapObjectClass),
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(GClassInitFunc) gdk_pixmap_class_init,
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sizeof (GdkPixmapObject),
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(GInstanceInitFunc) gdk_pixmap_init,
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0);
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return object_type;
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}
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static void
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gdk_pixmap_init (GdkPixmapObject *pixmap)
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{
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/* 0-initialization is good for all other fields. */
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pixmap->impl = g_object_new (_gdk_pixmap_impl_get_type (), NULL);
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}
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static void
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gdk_pixmap_class_init (GdkPixmapObjectClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gdk_pixmap_finalize;
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drawable_class->create_gc = gdk_pixmap_create_gc;
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drawable_class->draw_rectangle = gdk_pixmap_draw_rectangle;
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drawable_class->draw_arc = gdk_pixmap_draw_arc;
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drawable_class->draw_polygon = gdk_pixmap_draw_polygon;
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drawable_class->draw_text = gdk_pixmap_draw_text;
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drawable_class->draw_text_wc = gdk_pixmap_draw_text_wc;
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drawable_class->draw_drawable = gdk_pixmap_draw_drawable;
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drawable_class->draw_points = gdk_pixmap_draw_points;
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drawable_class->draw_segments = gdk_pixmap_draw_segments;
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drawable_class->draw_lines = gdk_pixmap_draw_lines;
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drawable_class->draw_glyphs = gdk_pixmap_draw_glyphs;
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drawable_class->draw_glyphs_transformed = gdk_pixmap_draw_glyphs_transformed;
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drawable_class->draw_image = gdk_pixmap_draw_image;
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drawable_class->draw_pixbuf = gdk_pixmap_draw_pixbuf;
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drawable_class->draw_trapezoids = gdk_pixmap_draw_trapezoids;
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drawable_class->get_depth = gdk_pixmap_real_get_depth;
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drawable_class->get_screen = gdk_pixmap_real_get_screen;
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drawable_class->get_size = gdk_pixmap_real_get_size;
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drawable_class->set_colormap = gdk_pixmap_real_set_colormap;
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drawable_class->get_colormap = gdk_pixmap_real_get_colormap;
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drawable_class->get_visual = gdk_pixmap_real_get_visual;
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drawable_class->_copy_to_image = gdk_pixmap_copy_to_image;
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drawable_class->ref_cairo_surface = gdk_pixmap_ref_cairo_surface;
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}
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static void
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gdk_pixmap_finalize (GObject *object)
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{
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GdkPixmapObject *obj = (GdkPixmapObject *) object;
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g_object_unref (obj->impl);
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obj->impl = NULL;
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GdkGC *
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gdk_pixmap_create_gc (GdkDrawable *drawable,
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GdkGCValues *values,
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GdkGCValuesMask mask)
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{
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return gdk_gc_new_with_values (((GdkPixmapObject *) drawable)->impl,
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values, mask);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_rectangle (private->impl, gc, filled,
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x, y, width, height);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_arc (private->impl, gc, filled,
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x, y,
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width, height, angle1, angle2);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_polygon (private->impl, gc, filled, points, npoints);
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}
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static void
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gdk_pixmap_draw_text (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const gchar *text,
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gint text_length)
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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_text (private->impl, font, gc,
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x, y, text, text_length);
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}
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static void
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gdk_pixmap_draw_text_wc (GdkDrawable *drawable,
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GdkFont *font,
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GdkGC *gc,
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gint x,
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gint y,
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const GdkWChar *text,
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gint text_length)
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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_text_wc (private->impl, font, gc,
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x, y, text, text_length);
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}
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static void
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gdk_pixmap_draw_drawable (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixmap *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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_drawable (private->impl, gc, src, xsrc, ysrc,
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xdest, ydest,
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width, height);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_points (private->impl, gc, points, npoints);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_segments (private->impl, gc, segs, nsegs);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_lines (private->impl, gc, points, npoints);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_glyphs (private->impl, gc, font, x, y, glyphs);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_glyphs_transformed (private->impl, gc, matrix, font, x, y, glyphs);
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}
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static void
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gdk_pixmap_draw_image (GdkDrawable *drawable,
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GdkGC *gc,
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GdkImage *image,
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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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_image (private->impl, gc, image, xsrc, ysrc, xdest, ydest,
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width, height);
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}
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static void
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gdk_pixmap_draw_pixbuf (GdkDrawable *drawable,
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GdkGC *gc,
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GdkPixbuf *pixbuf,
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gint src_x,
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gint src_y,
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gint dest_x,
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gint dest_y,
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gint width,
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gint height,
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GdkRgbDither dither,
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gint x_dither,
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gint y_dither)
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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_pixbuf (private->impl, gc, pixbuf,
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src_x, src_y, dest_x, dest_y, width, height,
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dither, x_dither, y_dither);
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}
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static void
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gdk_pixmap_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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{
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GdkPixmapObject *private = (GdkPixmapObject *)drawable;
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gdk_draw_trapezoids (private->impl, gc, trapezoids, n_trapezoids);
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}
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static void
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gdk_pixmap_real_get_size (GdkDrawable *drawable,
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gint *width,
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gint *height)
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{
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g_return_if_fail (GDK_IS_PIXMAP (drawable));
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gdk_drawable_get_size (GDK_DRAWABLE (((GdkPixmapObject*)drawable)->impl),
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width, height);
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}
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static GdkVisual*
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gdk_pixmap_real_get_visual (GdkDrawable *drawable)
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{
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GdkColormap *colormap;
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g_return_val_if_fail (GDK_IS_PIXMAP (drawable), NULL);
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colormap = gdk_drawable_get_colormap (drawable);
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return colormap ? gdk_colormap_get_visual (colormap) : NULL;
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}
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static gint
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gdk_pixmap_real_get_depth (GdkDrawable *drawable)
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{
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gint depth;
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g_return_val_if_fail (GDK_IS_PIXMAP (drawable), 0);
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depth = GDK_PIXMAP_OBJECT (drawable)->depth;
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return depth;
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}
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static void
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gdk_pixmap_real_set_colormap (GdkDrawable *drawable,
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GdkColormap *cmap)
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{
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g_return_if_fail (GDK_IS_PIXMAP (drawable));
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gdk_drawable_set_colormap (((GdkPixmapObject*)drawable)->impl, cmap);
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}
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static GdkColormap*
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gdk_pixmap_real_get_colormap (GdkDrawable *drawable)
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{
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g_return_val_if_fail (GDK_IS_PIXMAP (drawable), NULL);
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return gdk_drawable_get_colormap (((GdkPixmapObject*)drawable)->impl);
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}
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static GdkImage*
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gdk_pixmap_copy_to_image (GdkDrawable *drawable,
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GdkImage *image,
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gint src_x,
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gint src_y,
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gint dest_x,
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gint dest_y,
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gint width,
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gint height)
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{
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g_return_val_if_fail (GDK_IS_PIXMAP (drawable), NULL);
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return gdk_drawable_copy_to_image (((GdkPixmapObject*)drawable)->impl,
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image,
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src_x, src_y, dest_x, dest_y,
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width, height);
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}
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static cairo_surface_t *
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gdk_pixmap_ref_cairo_surface (GdkDrawable *drawable)
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{
|
|
return _gdk_drawable_ref_cairo_surface (((GdkPixmapObject*)drawable)->impl);
|
|
}
|
|
|
|
static GdkBitmap *
|
|
make_solid_mask (GdkScreen *screen, gint width, gint height)
|
|
{
|
|
GdkBitmap *bitmap;
|
|
GdkGC *gc;
|
|
GdkGCValues gc_values;
|
|
|
|
bitmap = gdk_pixmap_new (gdk_screen_get_root_window (screen),
|
|
width, height, 1);
|
|
|
|
gc_values.foreground.pixel = 1;
|
|
gc = gdk_gc_new_with_values (bitmap, &gc_values, GDK_GC_FOREGROUND);
|
|
|
|
gdk_draw_rectangle (bitmap, gc, TRUE, 0, 0, width, height);
|
|
|
|
g_object_unref (gc);
|
|
|
|
return bitmap;
|
|
}
|
|
|
|
#define PACKED_COLOR(c) ((((c)->red & 0xff00) << 8) | \
|
|
((c)->green & 0xff00) | \
|
|
((c)->blue >> 8))
|
|
|
|
static GdkPixmap *
|
|
gdk_pixmap_colormap_new_from_pixbuf (GdkColormap *colormap,
|
|
GdkBitmap **mask,
|
|
const GdkColor *transparent_color,
|
|
GdkPixbuf *pixbuf)
|
|
{
|
|
GdkPixmap *pixmap;
|
|
GdkPixbuf *render_pixbuf;
|
|
GdkGC *tmp_gc;
|
|
GdkScreen *screen = gdk_colormap_get_screen (colormap);
|
|
|
|
pixmap = gdk_pixmap_new (gdk_screen_get_root_window (screen),
|
|
gdk_pixbuf_get_width (pixbuf),
|
|
gdk_pixbuf_get_height (pixbuf),
|
|
gdk_colormap_get_visual (colormap)->depth);
|
|
gdk_drawable_set_colormap (pixmap, colormap);
|
|
|
|
if (transparent_color)
|
|
{
|
|
guint32 packed_color = PACKED_COLOR (transparent_color);
|
|
render_pixbuf = gdk_pixbuf_composite_color_simple (pixbuf,
|
|
gdk_pixbuf_get_width (pixbuf),
|
|
gdk_pixbuf_get_height (pixbuf),
|
|
GDK_INTERP_NEAREST,
|
|
255, 16, packed_color, packed_color);
|
|
}
|
|
else
|
|
render_pixbuf = pixbuf;
|
|
|
|
tmp_gc = _gdk_drawable_get_scratch_gc (pixmap, FALSE);
|
|
gdk_draw_pixbuf (pixmap, tmp_gc, render_pixbuf, 0, 0, 0, 0,
|
|
gdk_pixbuf_get_width (render_pixbuf),
|
|
gdk_pixbuf_get_height (render_pixbuf),
|
|
GDK_RGB_DITHER_NORMAL, 0, 0);
|
|
|
|
if (render_pixbuf != pixbuf)
|
|
g_object_unref (render_pixbuf);
|
|
|
|
if (mask)
|
|
gdk_pixbuf_render_pixmap_and_mask_for_colormap (pixbuf, colormap, NULL, mask, 128);
|
|
|
|
if (mask && !*mask)
|
|
*mask = make_solid_mask (screen,
|
|
gdk_pixbuf_get_width (pixbuf),
|
|
gdk_pixbuf_get_height (pixbuf));
|
|
|
|
return pixmap;
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_colormap_create_from_xpm (GdkDrawable *drawable,
|
|
GdkColormap *colormap,
|
|
GdkBitmap **mask,
|
|
const GdkColor *transparent_color,
|
|
const gchar *filename)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
GdkPixmap *pixmap;
|
|
|
|
g_return_val_if_fail (drawable != NULL || colormap != NULL, NULL);
|
|
g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
|
|
g_return_val_if_fail (colormap == NULL || GDK_IS_COLORMAP (colormap), NULL);
|
|
|
|
if (colormap == NULL)
|
|
colormap = gdk_drawable_get_colormap (drawable);
|
|
|
|
pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
|
|
if (!pixbuf)
|
|
return NULL;
|
|
|
|
pixmap = gdk_pixmap_colormap_new_from_pixbuf (colormap, mask, transparent_color, pixbuf);
|
|
|
|
g_object_unref (pixbuf);
|
|
|
|
return pixmap;
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_create_from_xpm (GdkDrawable *drawable,
|
|
GdkBitmap **mask,
|
|
const GdkColor *transparent_color,
|
|
const gchar *filename)
|
|
{
|
|
return gdk_pixmap_colormap_create_from_xpm (drawable, NULL, mask,
|
|
transparent_color, filename);
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_colormap_create_from_xpm_d (GdkDrawable *drawable,
|
|
GdkColormap *colormap,
|
|
GdkBitmap **mask,
|
|
const GdkColor *transparent_color,
|
|
gchar **data)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
GdkPixmap *pixmap;
|
|
|
|
g_return_val_if_fail (drawable != NULL || colormap != NULL, NULL);
|
|
g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
|
|
g_return_val_if_fail (colormap == NULL || GDK_IS_COLORMAP (colormap), NULL);
|
|
|
|
if (colormap == NULL)
|
|
colormap = gdk_drawable_get_colormap (drawable);
|
|
|
|
pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **)data);
|
|
if (!pixbuf)
|
|
return NULL;
|
|
|
|
pixmap = gdk_pixmap_colormap_new_from_pixbuf (colormap, mask, transparent_color, pixbuf);
|
|
|
|
g_object_unref (pixbuf);
|
|
|
|
return pixmap;
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_create_from_xpm_d (GdkDrawable *drawable,
|
|
GdkBitmap **mask,
|
|
const GdkColor *transparent_color,
|
|
gchar **data)
|
|
{
|
|
return gdk_pixmap_colormap_create_from_xpm_d (drawable, NULL, mask,
|
|
transparent_color, data);
|
|
}
|
|
|
|
static GdkScreen*
|
|
gdk_pixmap_real_get_screen (GdkDrawable *drawable)
|
|
{
|
|
return gdk_drawable_get_screen (GDK_PIXMAP_OBJECT (drawable)->impl);
|
|
}
|
|
|
|
#define __GDK_PIXMAP_C__
|
|
#include "gdkaliasdef.c"
|