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# include/cinder/msw/CinderMswGdiPlus.h

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    00001 /*
    00002  Copyright (c) 2010, The Barbarian Group
    00003  All rights reserved.
    00004
    00005  Redistribution and use in source and binary forms, with or without modification, are permitted provided that
    00006  the following conditions are met:
    00007
    00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and
    00009     the following disclaimer.
    00010     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
    00011     the following disclaimer in the documentation and/or other materials provided with the distribution.
    00012
    00013  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
    00014  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
    00015  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
    00016  ANY DIRECT, INDIRECT, cinder::, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
    00017  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    00018  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    00019  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    00020  POSSIBILITY OF SUCH DAMAGE.
    00021 */
    00022
    00023 #pragma once
    00024
    00025 #include "cinder/Surface.h"
    00026 #include <windows.h>
    00027
    00028 // forward declarations
    00029 namespace Gdiplus {
    00030     class Bitmap;
    00031     typedef INT PixelFormat;
    00032 }
    00033
    00034 namespace cinder { namespace msw {
    00035
    00037 Surface8u convertGdiplusBitmap( Gdiplus::Bitmap &bitmap, bool premultiplied );
    00038
    00041 Gdiplus::PixelFormat surfaceChannelOrderToGdiplusPixelFormat( const SurfaceChannelOrder &sco, bool premultiplied );
    00042
    00045 Gdiplus::Bitmap* createGdiplusBitmap( const Surface8u &surface, bool premultiplied );
    00046
    00047 } } // namespace cinder::msw
    00048
    00049 namespace cinder {
    00050
    00051 class SurfaceConstraintsGdiPlus : public SurfaceConstraints {
    00052     virtual SurfaceChannelOrder getChannelOrder( bool alpha ) const { return ( alpha ) ? SurfaceChannelOrder::BGRA : SurfaceChannelOrder::BGR; }
    00053     virtual int32_t             getRowBytes( int requestedWidth, const SurfaceChannelOrder &sco, int elementSize ) const { int32_t result = requestedWidth * elementSize * sco.getPixelInc(); result += ( result & 3 ) ? ( 4 - (result&3) ) : 0; return result; }
    00054 };
    00055
    00056 } // namespace cinder