source/modules/juce_graphics/native/juce_win32_Direct2DGraphicsContext.h

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library.
   5    Copyright (c) 2022 - Raw Material Software Limited
   6
   7    JUCE is an open source library subject to commercial or open-source
   8    licensing.
   9
  10    By using JUCE, you agree to the terms of both the JUCE 7 End-User License
  11    Agreement and JUCE Privacy Policy.
  12
  13    End User License Agreement: www.juce.com/juce-7-licence
  14    Privacy Policy: www.juce.com/juce-privacy-policy
  15
  16    Or: You may also use this code under the terms of the GPL v3 (see
  17    www.gnu.org/licenses).
  18
  19    JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
  20    EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
  21    DISCLAIMED.
  22
  23   ==============================================================================
  24 */
  25
  26 namespace juce
  27 {
  28
  29 #ifndef _WINDEF_
  30 class HWND__; // Forward or never
  31 typedef HWND__* HWND;
  32 #endif
  33
  34 class Direct2DLowLevelGraphicsContext   : public LowLevelGraphicsContext
  35 {
  36 public:
  37     Direct2DLowLevelGraphicsContext (HWND);
  38     ~Direct2DLowLevelGraphicsContext();
  39
  40     //==============================================================================
  41     bool isVectorDevice() const override { return false; }
  42
  43     void setOrigin (Point<int>) override;
  44     void addTransform (const AffineTransform&) override;
  45     float getPhysicalPixelScaleFactor() override;
  46     bool clipToRectangle (const Rectangle<int>&) override;
  47     bool clipToRectangleList (const RectangleList<int>&) override;
  48     void excludeClipRectangle (const Rectangle<int>&) override;
  49     void clipToPath (const Path&, const AffineTransform&) override;
  50     void clipToImageAlpha (const Image&, const AffineTransform&) override;
  51     bool clipRegionIntersects (const Rectangle<int>&) override;
  52     Rectangle<int> getClipBounds() const override;
  53     bool isClipEmpty() const override;
  54
  55     //==============================================================================
  56     void saveState() override;
  57     void restoreState() override;
  58     void beginTransparencyLayer (float opacity) override;
  59     void endTransparencyLayer() override;
  60
  61     //==============================================================================
  62     void setFill (const FillType&) override;
  63     void setOpacity (float) override;
  64     void setInterpolationQuality (Graphics::ResamplingQuality) override;
  65
  66     //==============================================================================
  67     void fillRect (const Rectangle<int>&, bool replaceExistingContents) override;
  68     void fillRect (const Rectangle<float>&) override;
  69     void fillRectList (const RectangleList<float>&) override;
  70     void fillPath (const Path&, const AffineTransform&) override;
  71     void drawImage (const Image& sourceImage, const AffineTransform&) override;
  72
  73     //==============================================================================
  74     void drawLine (const Line<float>&) override;
  75     void setFont (const Font&) override;
  76     const Font& getFont() override;
  77     void drawGlyph (int glyphNumber, const AffineTransform&) override;
  78     bool drawTextLayout (const AttributedString&, const Rectangle<float>&) override;
  79
  80     void resized();
  81     void clear();
  82
  83     void start();
  84     void end();
  85
  86     //==============================================================================
  87 private:
  88     struct SavedState;
  89
  90     HWND hwnd;
  91
  92     SavedState* currentState;
  93     OwnedArray<SavedState> states;
  94
  95     Rectangle<int> bounds;
  96
  97     struct Pimpl;
  98     std::unique_ptr<Pimpl> pimpl;
  99
 100     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Direct2DLowLevelGraphicsContext)
 101 };
 102
 103 } // namespace juce