source/modules/juce_graphics/native/juce_mac_CoreGraphicsHelpers.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 //==============================================================================
  30 namespace
  31 {
  32     template <class RectType>
  33     Rectangle<int> convertToRectInt (RectType r) noexcept
  34     {
  35         return { (int) r.origin.x,
  36                  (int) r.origin.y,
  37                  (int) r.size.width,
  38                  (int) r.size.height };
  39     }
  40
  41     template <class RectType>
  42     Rectangle<float> convertToRectFloat (RectType r) noexcept
  43     {
  44         return { (float) r.origin.x,
  45                  (float) r.origin.y,
  46                  (float) r.size.width,
  47                  (float) r.size.height };
  48     }
  49
  50     template <class RectType>
  51     CGRect convertToCGRect (RectType r) noexcept
  52     {
  53         return CGRectMake ((CGFloat) r.getX(), (CGFloat) r.getY(), (CGFloat) r.getWidth(), (CGFloat) r.getHeight());
  54     }
  55
  56     template <class PointType>
  57     Point<float> convertToPointFloat (PointType p) noexcept
  58     {
  59         return { (float) p.x, (float) p.y };
  60     }
  61
  62     template <typename PointType>
  63     CGPoint convertToCGPoint (PointType p) noexcept
  64     {
  65         return CGPointMake ((CGFloat) p.x, (CGFloat) p.y);
  66     }
  67
  68     template <class PointType>
  69     Point<int> roundToIntPoint (PointType p) noexcept
  70     {
  71         return { roundToInt (p.x), roundToInt (p.y) };
  72     }
  73
  74    #if JUCE_MAC
  75     inline CGFloat getMainScreenHeight() noexcept
  76     {
  77         if ([[NSScreen screens] count] == 0)
  78             return 0.0f;
  79
  80         return [[[NSScreen screens] objectAtIndex: 0] frame].size.height;
  81     }
  82
  83     inline NSRect flippedScreenRect (NSRect r) noexcept
  84     {
  85         r.origin.y = getMainScreenHeight() - (r.origin.y + r.size.height);
  86         return r;
  87     }
  88
  89     inline NSPoint flippedScreenPoint (NSPoint p) noexcept
  90     {
  91         p.y = getMainScreenHeight() - p.y;
  92         return p;
  93     }
  94    #endif
  95 }
  96
  97 CGImageRef juce_createCoreGraphicsImage (const Image&, CGColorSpaceRef);
  98 CGContextRef juce_getImageContext (const Image&);
  99
 100 #if JUCE_IOS
 101  Image juce_createImageFromUIImage (UIImage*);
 102 #endif
 103
 104 #if JUCE_MAC
 105  NSImage* imageToNSImage (const ScaledImage& image);
 106 #endif
 107
 108 } // namespace juce