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/* Copyright (C) 2005 The cairomm Development Team
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef __CAIROMM_WIN32_SURFACE_H
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#define __CAIROMM_WIN32_SURFACE_H
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#include <cairomm/surface.h>
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#include <cairomm/enums.h>
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#include <cairo-features.h>
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#ifdef CAIRO_HAS_WIN32_SURFACE
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#include <cairo-win32.h>
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// This header is not included by cairomm.h because it requires Windows headers that
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// tend to pollute the namespace with non-prefixed #defines and typedefs.
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// You may include it directly if you need to use this API.
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namespace Cairo
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{
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/** A Win32Surface provides a way to render within Microsoft Windows. If you
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* want to draw to the screen within a Microsoft Windows application, you
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* should use this Surface type.
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*
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* @note For this Surface to be available, cairo must have been compiled with
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* Win32 support
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*/
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class Win32Surface : public Surface
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{
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public:
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/** Create a C++ wrapper for the C instance. This C++ instance should then be
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* given to a RefPtr.
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*
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* @param cobject The C instance.
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* @param has_reference whether we already have a reference. Otherwise, the
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* constructor will take an extra reference.
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*/
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explicit Win32Surface(cairo_surface_t* cobject, bool has_reference = false);
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virtual ~Win32Surface();
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/** Returns the HDC associated with this surface, or NULL if none. Also
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* returns NULL if the surface is not a win32 surface.
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*
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* @return HDC or NULL if no HDC available.
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*/
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HDC get_dc() const;
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//TODO: What does owned mean here? murrayc
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//TODO: If this is just a get, shouldn't there be a const version too? murrayc
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/** Returns a ImageSurface that refers to the same bits as the DIB of the
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* Win32 surface. If the passed-in win32 surface is not a DIB surface, the
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* returned surface will be NULL
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*
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* @return a ImageSurface (owned by the Win32Surface), or an empty RefPtr if the win32
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* surface is not a DIB.
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*
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* @since 1.8
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*/
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RefPtr<ImageSurface> get_image();
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/** Creates a cairo surface that targets the given DC. The DC will be queried
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* for its initial clip extents, and this will be used as the size of the
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* cairo surface. Also, if the DC is a raster DC, it will be queried for its
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* pixel format and the cairo surface format will be set appropriately.
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*
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* @param hdc the DC to create a surface for.
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* @return the newly created surface.
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*/
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static RefPtr<Win32Surface> create(HDC hdc);
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/**
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* @deprecated use create_with_dib()
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*/
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static RefPtr<Win32Surface> create(Format format, int width, int height);
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/** Creates a device-independent-bitmap surface not associated with any
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* particular existing surface or device context. The created bitmap will be
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* unititialized.
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*
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* @param format format of pixels in the surface to create.
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* @param width width of the surface, in pixels.
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* @param height height of the surface, in pixels.
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* @return the newly created surface.
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*
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* @since 1.8
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*/
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static RefPtr<Win32Surface> create_with_dib(Format format, int width, int height);
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/** Creates a device-independent-bitmap surface not associated with any
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* particular existing surface or device context. The created bitmap will be
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* uninitialized.
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*
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* @param hdc the DC to create a surface for.
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* @param format format of pixels in the surface to create,
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* @param width width of the surface, in pixels.
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* @param height height of the surface, in pixels.
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* @return the newly created surface.
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*
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* @since 1.8
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*/
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static RefPtr<Win32Surface> create_with_ddb(HDC hdc, Format format, int width, int height);
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};
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/** A multi-page vector surface type for printing on Microsoft Windows
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*
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* @note For this Surface to be available, cairo must have been compiled with
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* Win32 support
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*
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* @since 1.8
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*/
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class Win32PrintingSurface : public Surface
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{
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public:
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explicit Win32PrintingSurface(cairo_surface_t* cobject, bool has_reference = false);
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virtual ~Win32PrintingSurface();
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/** Creates a cairo surface that targets the given DC. The DC will be queried
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* for its initial clip extents, and this will be used as the size of the
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* cairo surface. The DC should be a printing DC; antialiasing will be
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* ignored, and GDI will be used as much as possible to draw to the surface.
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*
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* The returned surface will be wrapped using the paginated surface to provide
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* correct complex rendering behaviour; show_page() and associated methods
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* must be used for correct output.
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*
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* @param hdc the DC to create a surface for.
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*
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* @since 1.8
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*/
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static RefPtr<Win32PrintingSurface> create(HDC hdc);
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};
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} // namespace Cairo
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#endif // CAIRO_HAS_WIN32_SURFACE
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#endif //__CAIROMM_WIN32_SURFACE_H
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// vim: ts=2 sw=2 et
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