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111 lines
4.4 KiB
C++
111 lines
4.4 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_LOWLEVELGRAPHICSSOFTWARERENDERER_JUCEHEADER__
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#define __JUCE_LOWLEVELGRAPHICSSOFTWARERENDERER_JUCEHEADER__
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#include "juce_LowLevelGraphicsContext.h"
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//==============================================================================
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/**
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A lowest-common-denominator implementation of LowLevelGraphicsContext that does all
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its rendering in memory.
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User code is not supposed to create instances of this class directly - do all your
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rendering via the Graphics class instead.
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*/
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class JUCE_API LowLevelGraphicsSoftwareRenderer : public LowLevelGraphicsContext
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{
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public:
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//==============================================================================
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LowLevelGraphicsSoftwareRenderer (const Image& imageToRenderOn);
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LowLevelGraphicsSoftwareRenderer (const Image& imageToRenderOn, int xOffset, int yOffset, const RectangleList& initialClip);
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~LowLevelGraphicsSoftwareRenderer();
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bool isVectorDevice() const;
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//==============================================================================
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void setOrigin (int x, int y);
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void addTransform (const AffineTransform& transform);
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float getScaleFactor();
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bool clipToRectangle (const Rectangle<int>& r);
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bool clipToRectangleList (const RectangleList& clipRegion);
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void excludeClipRectangle (const Rectangle<int>& r);
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void clipToPath (const Path& path, const AffineTransform& transform);
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void clipToImageAlpha (const Image& sourceImage, const AffineTransform& transform);
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bool clipRegionIntersects (const Rectangle<int>& r);
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Rectangle<int> getClipBounds() const;
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bool isClipEmpty() const;
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void saveState();
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void restoreState();
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void beginTransparencyLayer (float opacity);
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void endTransparencyLayer();
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//==============================================================================
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void setFill (const FillType& fillType);
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void setOpacity (float opacity);
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void setInterpolationQuality (Graphics::ResamplingQuality quality);
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//==============================================================================
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void fillRect (const Rectangle<int>& r, bool replaceExistingContents);
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void fillPath (const Path& path, const AffineTransform& transform);
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void drawImage (const Image& sourceImage, const AffineTransform& transform, bool fillEntireClipAsTiles);
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void drawLine (const Line <float>& line);
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void drawVerticalLine (int x, float top, float bottom);
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void drawHorizontalLine (int x, float top, float bottom);
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//==============================================================================
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void setFont (const Font& newFont);
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Font getFont();
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void drawGlyph (int glyphNumber, float x, float y);
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void drawGlyph (int glyphNumber, const AffineTransform& transform);
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protected:
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//==============================================================================
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Image image;
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#ifndef DOXYGEN
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public: class SavedState;
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private:
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#endif
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ScopedPointer <SavedState> currentState;
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OwnedArray <SavedState> stateStack;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LowLevelGraphicsSoftwareRenderer);
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};
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#endif // __JUCE_LOWLEVELGRAPHICSSOFTWARERENDERER_JUCEHEADER__
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