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| 1 | +// |
| 2 | +// OpenSwiftUICorePlatformImage.h |
| 3 | +// OpenSwiftUICore |
| 4 | +// |
| 5 | +// Audited for RELEASE_2024 |
| 6 | +// Status: Blocked by macOS implementation and Mac Catalyst support |
| 7 | + |
| 8 | +#include "OpenSwiftUICorePlatformImage.h" |
| 9 | + |
| 10 | +#if OPENSWIFTUI_TARGET_OS_DARWIN |
| 11 | + |
| 12 | +#include <Foundation/Foundation.h> |
| 13 | +#if OPENSWIFTUI_TARGET_OS_IOS |
| 14 | +#include <UIKit/UIKit.h> |
| 15 | +#else |
| 16 | +#include <AppKit/AppKit.h> |
| 17 | +#endif |
| 18 | + |
| 19 | +Class _Nullable _OpenSwiftUICorePlatformImageClass(void) { |
| 20 | + static BOOL isValid = true; |
| 21 | + static Class imageClass; |
| 22 | + static dispatch_once_t once; |
| 23 | + dispatch_once(&once, ^{ |
| 24 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 25 | + Class class = NSClassFromString(@"NSImage"); |
| 26 | + imageClass = class; |
| 27 | + isValid = class != nil; |
| 28 | + #else |
| 29 | + Class class = NSClassFromString(@"UIImage"); |
| 30 | + imageClass = class; |
| 31 | + isValid = class != nil; |
| 32 | + #endif |
| 33 | + }); |
| 34 | + if (isValid) { |
| 35 | + return imageClass; |
| 36 | + } else { |
| 37 | + [NSException raise:@"Invalid image class" format:@""]; |
| 38 | + } |
| 39 | +} |
| 40 | + |
| 41 | +NSObject* _OpenSwiftUICorePlatformImageMakeKitImage(OpenSwiftUICoreSystem system, CGImageRef cgImage, CGFloat scale, uint8_t orientation) { |
| 42 | + Class imageClass = _OpenSwiftUICorePlatformImageClass(); |
| 43 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 44 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 45 | + CGSize size = CGSizeMake(CGImageGetWidth(cgImage), CGImageGetHeight(cgImage)); |
| 46 | + NSImage *kitImage = [[imageClass alloc] initWithCGImage:cgImage size:size]; |
| 47 | + return kitImage; |
| 48 | + } else { |
| 49 | + // FIXME: How to import macOS SDK's iOS Support <UIKit/UIImage.h> header here |
| 50 | + // UIImage *kitImage = [[imageClass alloc] initWithCGImage:cgImage scale:scale orientation:orientation]; |
| 51 | + // TODO: Unimplemented |
| 52 | + return nil; |
| 53 | + } |
| 54 | + #else |
| 55 | + UIImage *kitImage = [[imageClass alloc] initWithCGImage:cgImage scale:scale orientation:orientation]; |
| 56 | + if (kitImage.renderingMode == UIImageRenderingModeAlwaysTemplate) { |
| 57 | + kitImage = [kitImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; |
| 58 | + } |
| 59 | + if (kitImage.baselineOffsetFromBottom > 0.0) { |
| 60 | + kitImage = [kitImage imageWithBaselineOffsetFromBottom:kitImage.baselineOffsetFromBottom]; |
| 61 | + } |
| 62 | + return kitImage; |
| 63 | + #endif |
| 64 | +} |
| 65 | + |
| 66 | +BOOL _OpenSwiftUICorePlatformImageIsTemplate(OpenSwiftUICoreSystem system, id kitImage) { |
| 67 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 68 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 69 | + return NO; |
| 70 | + } else { |
| 71 | + // FIXME: How to import macOS SDK's iOS Support <UIKit/UIImage.h> header here |
| 72 | + return [kitImage renderingMode] == 2 /* UIImageRenderingModeAlwaysTemplate */; |
| 73 | + } |
| 74 | + #else |
| 75 | + return [(UIImage *)kitImage renderingMode] == UIImageRenderingModeAlwaysTemplate; |
| 76 | + #endif |
| 77 | +} |
| 78 | + |
| 79 | +CGImageRef _OpenSwiftUICorePlatformImageGetCGImage(OpenSwiftUICoreSystem system, id kitImage) { |
| 80 | + if (!kitImage) { |
| 81 | + return nil; |
| 82 | + } |
| 83 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 84 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 85 | + return [kitImage CGImageForProposedRect:nil context:nil hints:nil]; |
| 86 | + } else { |
| 87 | + return [kitImage CGImage]; |
| 88 | + } |
| 89 | + #else |
| 90 | + return [(UIImage *)kitImage CGImage]; |
| 91 | + #endif |
| 92 | +} |
| 93 | + |
| 94 | +CGSize _OpenSwiftUICorePlatformImageGetSize(OpenSwiftUICoreSystem system, id kitImage) { |
| 95 | + CGImageRef cgImage = _OpenSwiftUICorePlatformImageGetCGImage(system, kitImage); |
| 96 | + if (!cgImage) { |
| 97 | + return CGSizeZero; |
| 98 | + } |
| 99 | + return CGSizeMake(CGImageGetWidth(cgImage), CGImageGetHeight(cgImage)); |
| 100 | +} |
| 101 | + |
| 102 | +CGFloat _OpenSwiftUICorePlatformImageGetScale(OpenSwiftUICoreSystem system, id kitImage) { |
| 103 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 104 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 105 | + CGFloat kitImageWidth = [(NSImage *)kitImage size].width; |
| 106 | + CGFloat cgImageWidth = _OpenSwiftUICorePlatformImageGetSize(OpenSwiftUICoreSystemAppKit, kitImage).width; |
| 107 | + CGFloat scale = kitImageWidth / cgImageWidth; |
| 108 | + return scale; |
| 109 | + } else { |
| 110 | + return [kitImage scale]; |
| 111 | + } |
| 112 | + #else |
| 113 | + return [(UIImage *)kitImage scale]; |
| 114 | + #endif |
| 115 | +} |
| 116 | + |
| 117 | +uint8_t _OpenSwiftUICorePlatformImageGetImageOrientation(OpenSwiftUICoreSystem system, id kitImage) { |
| 118 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 119 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 120 | + return 0; |
| 121 | + } else { |
| 122 | + // FIXME: How to import macOS SDK's iOS Support <UIKit/UIImage.h> header here |
| 123 | + // return [(UIImage *)kitImage imageOrientation]; |
| 124 | + // TODO: Unimplemented |
| 125 | + return 0; |
| 126 | + } |
| 127 | + #else |
| 128 | + return [(UIImage *)kitImage imageOrientation]; |
| 129 | + #endif |
| 130 | +} |
| 131 | + |
| 132 | +CGFloat _OpenSwiftUICorePlatformImageGetBaselineOffsetFromBottom(OpenSwiftUICoreSystem system, id kitImage) { |
| 133 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 134 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 135 | + return [(NSImage *)kitImage alignmentRect].origin.y; |
| 136 | + } else { |
| 137 | + // FIXME: How to import macOS SDK's iOS Support <UIKit/UIImage.h> header here |
| 138 | + // return [(UIImage *)kitImage baselineOffsetFromBottom]; |
| 139 | + // TODO: Unimplemented |
| 140 | + return 0.0; |
| 141 | + } |
| 142 | + #else |
| 143 | + return [(UIImage *)kitImage baselineOffsetFromBottom]; |
| 144 | + #endif |
| 145 | +} |
| 146 | + |
| 147 | +CGRect _OpenSwiftUICorePlatformImageGetAlignmentRect(OpenSwiftUICoreSystem system, id kitImage) { |
| 148 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 149 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 150 | + return [(NSImage *)kitImage alignmentRect]; |
| 151 | + } else { |
| 152 | + return CGRectZero; |
| 153 | + } |
| 154 | + #else |
| 155 | + return CGRectZero; |
| 156 | + #endif |
| 157 | +} |
| 158 | + |
| 159 | +void _OpenSwiftUICorePlatformImageSetAlignmentRect(OpenSwiftUICoreSystem system, id kitImage, CGRect rect) { |
| 160 | + #if OPENSWIFTUI_TARGET_OS_OSX |
| 161 | + if (system == OpenSwiftUICoreSystemAppKit) { |
| 162 | + return [(NSImage *)kitImage setAlignmentRect:rect]; |
| 163 | + } else { |
| 164 | + return; |
| 165 | + } |
| 166 | + #else |
| 167 | + return; |
| 168 | + #endif |
| 169 | +} |
| 170 | + |
| 171 | +#endif |
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