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126 lines
4.5 KiB
C++
126 lines
4.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found 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.juce.com for more information.
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==============================================================================
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*/
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#ifndef __JUCE_LOWLEVELGRAPHICSPOSTSCRIPTRENDERER_JUCEHEADER__
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#define __JUCE_LOWLEVELGRAPHICSPOSTSCRIPTRENDERER_JUCEHEADER__
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#include "juce_LowLevelGraphicsContext.h"
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//==============================================================================
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/**
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An implementation of LowLevelGraphicsContext that turns the drawing operations
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into a PostScript document.
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*/
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class JUCE_API LowLevelGraphicsPostScriptRenderer : public LowLevelGraphicsContext
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{
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public:
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//==============================================================================
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LowLevelGraphicsPostScriptRenderer (OutputStream& resultingPostScript,
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const String& documentTitle,
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int totalWidth,
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int totalHeight);
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~LowLevelGraphicsPostScriptRenderer();
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//==============================================================================
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bool isVectorDevice() const;
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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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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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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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//==============================================================================
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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);
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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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const Font& getFont();
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void setFont (const Font& newFont);
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void drawGlyph (int glyphNumber, const AffineTransform& transform);
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protected:
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//==============================================================================
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OutputStream& out;
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int totalWidth, totalHeight;
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bool needToClip;
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Colour lastColour;
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struct SavedState
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{
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SavedState();
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~SavedState();
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RectangleList clip;
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int xOffset, yOffset;
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FillType fillType;
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Font font;
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private:
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SavedState& operator= (const SavedState&);
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};
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OwnedArray <SavedState> stateStack;
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void writeClip();
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void writeColour (const Colour& colour);
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void writePath (const Path& path) const;
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void writeXY (float x, float y) const;
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void writeTransform (const AffineTransform& trans) const;
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void writeImage (const Image& im, int sx, int sy, int maxW, int maxH) const;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LowLevelGraphicsPostScriptRenderer)
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};
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#endif // __JUCE_LOWLEVELGRAPHICSPOSTSCRIPTRENDERER_JUCEHEADER__
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