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https://github.com/libretro/scummvm.git
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a401f0a19e
All uses of the old target scale API actually wanted to disallow scaling of the mouse cursor. This commit adapts our API to this and thus simplifies backend implementations. Some backends, most notable the Wii and Android, did some implementation of the cursor target scale, which I didn't adapt yet. I added a TODO for the porters there.
86 lines
3.4 KiB
C++
86 lines
3.4 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef BACKENDS_GRAPHICS_NULL_H
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#define BACKENDS_GRAPHICS_NULL_H
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#include "backends/graphics/graphics.h"
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static const OSystem::GraphicsMode s_noGraphicsModes[] = { {0, 0, 0} };
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class NullGraphicsManager : public GraphicsManager {
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public:
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virtual ~NullGraphicsManager() {}
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bool hasFeature(OSystem::Feature f) { return false; }
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void setFeatureState(OSystem::Feature f, bool enable) {}
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bool getFeatureState(OSystem::Feature f) { return false; }
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const OSystem::GraphicsMode *getSupportedGraphicsModes() const { return s_noGraphicsModes; }
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int getDefaultGraphicsMode() const { return 0; }
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bool setGraphicsMode(int mode) { return true; }
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void resetGraphicsScale(){}
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int getGraphicsMode() const { return 0; }
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inline Graphics::PixelFormat getScreenFormat() const {
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return Graphics::PixelFormat::createFormatCLUT8();
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}
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inline Common::List<Graphics::PixelFormat> getSupportedFormats() const {
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Common::List<Graphics::PixelFormat> list;
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list.push_back(Graphics::PixelFormat::createFormatCLUT8());
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return list;
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}
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void initSize(uint width, uint height, const Graphics::PixelFormat *format = NULL) {}
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virtual int getScreenChangeID() const { return 0; }
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void beginGFXTransaction() {}
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OSystem::TransactionError endGFXTransaction() { return OSystem::kTransactionSuccess; }
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int16 getHeight() { return 0; }
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int16 getWidth() { return 0; }
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void setPalette(const byte *colors, uint start, uint num) {}
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void grabPalette(byte *colors, uint start, uint num) {}
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void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {}
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Graphics::Surface *lockScreen() { return NULL; }
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void unlockScreen() {}
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void fillScreen(uint32 col) {}
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void updateScreen() {}
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void setShakePos(int shakeOffset) {}
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void setFocusRectangle(const Common::Rect& rect) {}
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void clearFocusRectangle() {}
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void showOverlay() {}
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void hideOverlay() {}
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Graphics::PixelFormat getOverlayFormat() const { return Graphics::PixelFormat(); }
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void clearOverlay() {}
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void grabOverlay(OverlayColor *buf, int pitch) {}
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void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) {}
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int16 getOverlayHeight() { return 0; }
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int16 getOverlayWidth() { return 0; }
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bool showMouse(bool visible) { return !visible; }
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void warpMouse(int x, int y) {}
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void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = NULL) {}
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void setCursorPalette(const byte *colors, uint start, uint num) {}
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};
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#endif
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