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b4328913d8
2007-01-05 Behdad Esfahbod <behdad@gnome.org>
* gdk/gdkprivate.h:
* gdk/gdkpango.c (gdk_draw_layout_line_with_colors),
(gdk_draw_layout_with_colors):
* gdk/gdkwindow.c (gdk_window_draw_glyphs_transformed):
Avoid overflow when converting coordinates to Pango units. (#332266,
Jody Goldberg)
svn path=/trunk/; revision=17075
66 lines
2.3 KiB
C
66 lines
2.3 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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#ifndef __GDK_PRIVATE_H__
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#define __GDK_PRIVATE_H__
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#include <gdk/gdktypes.h>
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#include <gdk/gdkevents.h>
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#include <gdk/gdkfont.h>
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#include <gdk/gdkgc.h>
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#include <gdk/gdkimage.h>
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#include <gdk/gdkregion.h>
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#include <gdk/gdkvisual.h>
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#include <gdk/gdkwindow.h>
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G_BEGIN_DECLS
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#define GDK_PARENT_RELATIVE_BG ((GdkPixmap *)1L)
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#define GDK_NO_BG ((GdkPixmap *)2L)
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#define GDK_WINDOW_TYPE(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->window_type)
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#define GDK_WINDOW_DESTROYED(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->destroyed)
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void gdk_window_destroy_notify (GdkWindow *window);
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void gdk_synthesize_window_state (GdkWindow *window,
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GdkWindowState unset_flags,
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GdkWindowState set_flags);
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/* Tests whether a pair of x,y may cause overflows when converted to Pango
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* units (multiplied by PANGO_SCALE). We don't allow the entire range, leave
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* some space for additions afterwards, to be safe...
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*/
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#define GDK_PANGO_UNITS_OVERFLOWS(x,y) (G_UNLIKELY ( \
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(y) >= PANGO_PIXELS (G_MAXINT-PANGO_SCALE)/2 || \
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(x) >= PANGO_PIXELS (G_MAXINT-PANGO_SCALE)/2 || \
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(y) <=-PANGO_PIXELS (G_MAXINT-PANGO_SCALE)/2 || \
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(x) <=-PANGO_PIXELS (G_MAXINT-PANGO_SCALE)/2))
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G_END_DECLS
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#endif /* __GDK_PRIVATE_H__ */
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