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https://github.com/libretro/scummvm.git
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77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef DS_BACKGROUND_H
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#define DS_BACKGROUND_H
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#include "graphics/surface.h"
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#include "common/rect.h"
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namespace DS {
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class Background : public Graphics::Surface {
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public:
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Background();
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size_t getRequiredVRAM(uint16 width, uint16 height, bool isRGB, bool swScale);
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void create(uint16 width, uint16 height, bool isRGB);
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void create(uint16 width, uint16 height, bool isRGB, int layer, bool isSub, int mapBase, bool swScale);
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void init(Background *surface);
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void init(Background *surface, int layer, bool isSub, int mapBase, bool swScale);
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void update();
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void reset();
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void show();
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void hide();
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inline bool isVisible() const { return _visible; }
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void setScalef(int32 sx, int32 sy);
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inline void setScale(int sx, int sy) { setScalef(sx << 8, sy << 8); }
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void setScrollf(int32 x, int32 y);
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inline void setScroll(int x, int y) { setScrollf(x << 8, y << 8); }
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Common::Point realToScaled(int16 x, int16 y);
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Common::Point scaledToReal(int16 x, int16 y);
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inline void clear() {
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memset(getPixels(), 0, pitch * h);
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}
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inline void grab(byte *dst, int dstPitch) {
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for (int y = 0; y < h; ++y) {
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memcpy(dst, getBasePtr(0, y), w * format.bytesPerPixel);
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dst += dstPitch;
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}
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}
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protected:
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int _bg;
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bool _visible, _swScale;
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uint16 _realPitch, _realHeight;
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const Graphics::PixelFormat _pfCLUT8, _pfABGR1555;
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int32 _scrollX, _scrollY, _scaleX, _scaleY;
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};
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} // End of namespace DS
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#endif // #ifndef DS_BACKGROUND_H
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