質問編集履歴
1
Error
test
CHANGED
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@@ -1 +1 @@
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1
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GLKTextureLoader
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1
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+
Error Domain=GLKTextureLoaderErrorDomain Code=12
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test
CHANGED
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@@ -1,131 +1 @@
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1
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GLKTextureLoader.textureでnullが帰って来てエラーになります。
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2
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3
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どのようにして取得すれば良いでしょうか?
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7
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エラーメッセージ
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8
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9
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```
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10
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-
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11
1
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Error Domain=GLKTextureLoaderErrorDomain Code=12 "(null)" UserInfo={GLKTextureLoaderErrorKey=Image decoding failed}
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12
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13
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```
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14
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15
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16
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17
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コード
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18
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-
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19
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```swift
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20
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-
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21
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import Cocoa
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22
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-
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23
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import CoreImage
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24
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-
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25
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import GLKit
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26
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-
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27
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-
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28
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29
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func toCGImage(image: NSImage) -> CGImage?{
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30
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-
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31
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var imageRect:CGRect = CGRect(x: 0, y: 0, width: image.size.width, height: image.size.height)
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32
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-
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33
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let aCGImage = image.cgImage(forProposedRect: &imageRect, context: nil, hints: nil)
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34
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-
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35
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return aCGImage
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36
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-
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37
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}
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38
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-
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39
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40
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41
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let simpleattr: [NSOpenGLPixelFormatAttribute] = [
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42
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43
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NSOpenGLPixelFormatAttribute(NSOpenGLPFADoubleBuffer),
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44
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45
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NSOpenGLPixelFormatAttribute(NSOpenGLPFAAccelerated),
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46
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47
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NSOpenGLPixelFormatAttribute(0)
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48
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49
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]
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50
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-
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51
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52
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53
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let pf = NSOpenGLPixelFormat(attributes: simpleattr)
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54
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-
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55
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56
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57
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let image1 = NSImage(byReferencingFile: "/Users/xxx/Pictures/スクリーンショット1.png")!
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58
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-
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59
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let image2 = NSImage(byReferencingFile: "/Users/xxx/Pictures/スクリーンショット2.png")!
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60
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-
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61
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let overlayImage:CIImage = CIImage(cgImage: toCGImage(image: image1)!)
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62
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63
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let backgroundImage:CIImage = CIImage(cgImage: toCGImage(image: image2)!)
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64
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-
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65
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66
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67
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let alpha:CGFloat = 0.8
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68
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-
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69
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let rgba:[CGFloat] = [0.0, 0.0, 0.0, alpha]
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70
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71
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let colorMatrix:CIFilter = CIFilter(name: "CIColorMatrix")!
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72
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73
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colorMatrix.setDefaults()
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74
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75
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colorMatrix.setValue(overlayImage, forKey: kCIInputImageKey)
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76
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77
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let vector = CIVector(values: rgba, count: 4)
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78
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79
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colorMatrix.setValue(vector, forKey: "inputAVector")
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80
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81
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82
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83
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let composite:CIFilter = CIFilter(name: "CISourceOverCompositing")!
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84
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85
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composite.setDefaults()
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86
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87
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composite.setValue(colorMatrix.outputImage, forKey: kCIInputImageKey)
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88
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89
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composite.setValue(backgroundImage, forKey: kCIInputBackgroundImageKey)
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90
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91
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92
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93
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let outputImage:CIImage = composite.outputImage!
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94
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95
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96
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97
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let context:CIContext = CIContext.init(options: nil)
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98
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-
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99
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let pixelData = context.createCGImage(outputImage, from: outputImage.extent)!
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100
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101
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102
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-
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103
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let glContext:NSOpenGLContext = NSOpenGLContext(format: pf!, share: nil)!
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104
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-
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105
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glContext.makeCurrentContext()
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106
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-
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107
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108
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-
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109
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var texture:GLKTextureInfo
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110
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-
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111
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-
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112
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-
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113
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do {
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114
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-
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115
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//失敗する。
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116
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-
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117
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texture = try GLKTextureLoader.texture(with: pixelData, options: nil)
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118
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-
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119
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} catch {
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120
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-
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121
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-
//ここに来る。
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122
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-
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123
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print(error)
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124
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-
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125
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exit(0)
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126
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-
|
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127
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}
|
|
128
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-
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|
129
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-
```
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130
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-
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131
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-
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