default_display_client.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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/>.
 *
 */

#ifndef PSP_DEF_DISPLAY_CLIENT_H
#define PSP_DEF_DISPLAY_CLIENT_H

#include "graphics/blit.h"
#include "graphics/dirtyrects.h"

class DefaultDisplayClient : public DisplayClient {
public:
    DefaultDisplayClient() : _visible(false), _dirty(true) {}

    bool isVisible() const { return _visible; }
    void setVisible(bool v) { _visible = v; setDirty(); }
    Buffer &buffer() { return _buffer; }
    Palette &palette() { return _palette; }
    void init();
    bool allocate(bool bufferInVram = false, bool paletteInVram = false);
    void deallocate();
    void clearBuffer();
    void clearPalette();
    void render() { _renderer.render(); }
    uint32 getWidth() const { return _buffer.getSourceWidth(); }
    uint32 getHeight() const { return _buffer.getSourceHeight(); }
    void setPartialPalette(const byte *colors, uint start, uint num) { setDirty(); return _palette.setPartial(colors, start, num); }
    void getPartialPalette(byte *colors, uint start, uint num) const {
        return _palette.getPartial(colors, start, num);
    }
    void copyFromRect(const byte *buf, int pitch, int destX, int destY, int recWidth, int recHeight);
    void copyToArray(byte *dst, int pitch);
    void setDirty() { _dirty = true; }
    void setClean() { _dirty = false; }
    bool isDirty() const { return _dirty; }

protected:
    Buffer _buffer;
    Palette _palette;
    GuRenderer _renderer;
    bool _visible;
    bool _dirty;
};

class Overlay : public DefaultDisplayClient {
public:
    void init();
    bool allocate();
    void setBytesPerPixel(uint32 size);
    void setSize(uint32 width, uint32 height);
    void copyToArray(void *buf, int pitch);
    void copyFromRect(const void *buf, int pitch, int x, int y, int w, int h);
};

class Screen : public DefaultDisplayClient {
public:
    Screen() : _shakeXOffset(0), _shakeYOffset(0), _convert(false), _blitFunc(nullptr) {}
    ~Screen() { deallocate(); }

    void init();
    bool allocate();
    void deallocate();
    void setShakePos(int shakeXOffset, int shakeYOffset);
    void setScummvmPixelFormat(const Graphics::PixelFormat *format);
    const Graphics::PixelFormat &getScummvmPixelFormat() const { return _srcFormat; }
    Graphics::Surface *lockAndGetForEditing();
    void unlock();
    void copyFromRect(const byte *buf, int pitch, int destX, int destY, int recWidth, int recHeight);
    void setSize(uint32 width, uint32 height);
    void render();

private:
    uint32 _shakeXOffset;
    uint32 _shakeYOffset;
    bool _convert;
    Graphics::PixelFormat _srcFormat;
    Graphics::PixelFormat _dstFormat;
    Graphics::Surface _frameBuffer;
    Graphics::FastBlitFunc _blitFunc;
    Graphics::DirtyRectList _dirtyRects;
};

#endif /* PSP_DEF_DISPLAY_CLIENT_H */