120 lines
4.4 KiB
C
120 lines
4.4 KiB
C
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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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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@tags{Graphics}
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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() override;
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//==============================================================================
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bool isVectorDevice() const override;
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void setOrigin (Point<int>) override;
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void addTransform (const AffineTransform&) override;
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float getPhysicalPixelScaleFactor() override;
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bool clipToRectangle (const Rectangle<int>&) override;
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bool clipToRectangleList (const RectangleList<int>&) override;
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void excludeClipRectangle (const Rectangle<int>&) override;
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void clipToPath (const Path&, const AffineTransform&) override;
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void clipToImageAlpha (const Image&, const AffineTransform&) override;
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void saveState() override;
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void restoreState() override;
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void beginTransparencyLayer (float) override;
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void endTransparencyLayer() override;
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bool clipRegionIntersects (const Rectangle<int>&) override;
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Rectangle<int> getClipBounds() const override;
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bool isClipEmpty() const override;
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//==============================================================================
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void setFill (const FillType&) override;
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void setOpacity (float) override;
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void setInterpolationQuality (Graphics::ResamplingQuality) override;
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//==============================================================================
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void fillRect (const Rectangle<int>&, bool replaceExistingContents) override;
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void fillRect (const Rectangle<float>&) override;
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void fillRectList (const RectangleList<float>&) override;
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void fillPath (const Path&, const AffineTransform&) override;
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void drawImage (const Image&, const AffineTransform&) override;
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void drawLine (const Line <float>&) override;
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//==============================================================================
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const Font& getFont() override;
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void setFont (const Font&) override;
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void drawGlyph (int glyphNumber, const AffineTransform&) override;
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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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/** Describes a saved state */
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struct SavedState
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{
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SavedState();
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SavedState& operator= (const SavedState&) = delete;
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~SavedState();
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RectangleList<int> clip;
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int xOffset, yOffset;
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FillType fillType;
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Font font;
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};
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OwnedArray<SavedState> stateStack;
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void writeClip();
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void writeColour (Colour colour);
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void writePath (const Path&) const;
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void writeXY (float x, float y) const;
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void writeTransform (const AffineTransform&) const;
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void writeImage (const Image&, 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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} // namespace juce
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