gdi_bitmap.h

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/*
    Beatmup image and signal processing library
    Copyright (C) 2019, lnstadrum
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include "../abstract_bitmap.h"
#ifndef BEATMUP_PLATFORM_WINDOWS
    #error GDI bitmap is Windows-specific.
#endif
 
namespace Beatmup {
 
    /**
        A simple wrapper of GDI bitmap
    */
    class GDIBitmap : public AbstractBitmap {
    private:
        class Impl;
        Impl* impl;
 
    public:
        GDIBitmap(Context &ctx, const wchar_t* filename);
 
        GDIBitmap(Context &ctx, PixelFormat format, int width, int height);
 
        const PixelFormat getPixelFormat() const;
 
        const int getWidth() const;
 
        const int getHeight() const;
 
        int getStride() const;
 
        const msize getMemorySize() const;
 
        void lockPixelData();
 
        void unlockPixelData();
 
        const pixbyte* getData(int x, int y) const;
 
        void save(const wchar_t* filename);
    };
 
}