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73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* Copyright © 2018 Benjamin Otte
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "gdkconfig.h"
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#include "gdkcairocontextprivate.h"
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G_BEGIN_DECLS
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#define GDK_TYPE_WIN32_CAIRO_CONTEXT (gdk_win32_cairo_context_get_type ())
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#define GDK_WIN32_CAIRO_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_WIN32_CAIRO_CONTEXT, GdkWin32CairoContext))
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#define GDK_IS_WIN32_CAIRO_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_WIN32_CAIRO_CONTEXT))
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#define GDK_WIN32_CAIRO_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WIN32_CAIRO_CONTEXT, GdkWin32CairoContextClass))
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#define GDK_IS_WIN32_CAIRO_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WIN32_CAIRO_CONTEXT))
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#define GDK_WIN32_CAIRO_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WIN32_CAIRO_CONTEXT, GdkWin32CairoContextClass))
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typedef struct _GdkWin32CairoContext GdkWin32CairoContext;
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typedef struct _GdkWin32CairoContextClass GdkWin32CairoContextClass;
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struct _GdkWin32CairoContext
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{
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GdkCairoContext parent_instance;
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/* Set to TRUE when double-buffering is used.
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* Layered windows use their own, custom double-buffering
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* code that is unaffected by this flag.
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*/
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guint double_buffered : 1;
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/* The a surface for double-buffering. We keep it
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* around between repaints, and only re-allocate it
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* if it's too small. */
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cairo_surface_t *db_surface;
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int db_width;
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int db_height;
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/* Surface for the window DC */
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cairo_surface_t *window_surface;
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/* A reference to db_surface (when double-buffering).
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* When not using double-buffering this is a reference
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* to window_surface.
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*/
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cairo_surface_t *paint_surface;
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};
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struct _GdkWin32CairoContextClass
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{
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GdkCairoContextClass parent_class;
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};
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GDK_AVAILABLE_IN_ALL
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GType gdk_win32_cairo_context_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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