[104] | 1 | ' Classes/System/Drawing/Image.ab
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| 2 |
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[635] | 3 | Namespace System
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| 4 | Namespace Drawing
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| 5 |
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[104] | 6 | Class Image
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[703] | 7 | Implements IDisposable, ICloneable
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[104] | 8 | Public
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[701] | 9 | Sub Image(native As *GpImage)
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| 10 | nativeImage = native
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| 11 | End Sub
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| 12 |
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[703] | 13 | ' FromNativeImage推奨
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[104] | 14 | Function NativeImage() As *GpImage
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[703] | 15 | NativeImage = nativeImage
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[104] | 16 | End Function
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[703] | 17 |
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| 18 | Static Function FromFile(filename As PCWSTR, useEmbeddedColorManagement = False As Boolean) As Image
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| 19 | Dim native As *GpImage
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| 20 | If useEmbeddedColorManagement Then
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| 21 | SetStatus(GdipLoadImageFromFileICM(filename, native))
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| 22 | Else
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| 23 | SetStatus(GdipLoadImageFromFile(filename, native))
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| 24 | End If
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| 25 | FromFile = FromNativeImage(native)
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| 26 | End Function
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| 27 |
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| 28 | ' Static Function FromComStream(stream As IStream, useEmbeddedColorManagement = False As Boolean) As Image
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| 29 | ' Dim native As *GpImage
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| 30 | ' If useEmbeddedColorManagement Then
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| 31 | ' SetStatus(GdipLoadImageFromStreamICM(stream, native))
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| 32 | ' Else
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| 33 | ' SetStatus(GdipLoadImageFromStream(stream, native))
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| 34 | ' End If
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| 35 | ' FromComStream = FromNativeImage(native)
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| 36 | ' End Function
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| 37 |
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| 38 | ' Static Function FromABStream(stream As IO.Stream, useEmbeddedColorManagement = False As Boolean) As Image
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| 39 | ' Dim comStream = ComStreamFromABStream(stream)
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| 40 | ' Try
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| 41 | ' FromABStream = New FromComStream(comStream)
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| 42 | ' Finally
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| 43 | ' comStream.Release()
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| 44 | ' End Try
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| 45 | ' End Function
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| 46 |
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| 47 | Static Function FromNativeImage(native As *GpImage) As Image
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| 48 | Dim imageType = ImageTypeUnknown As ImageType
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| 49 | SetStatus(GdipGetImageType(nativeImage, imageType))
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| 50 | Select Case imageType
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| 51 | ' Case ImageTypeBitmap
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| 52 | ' FromNativeImage = New Bitmap(native)
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| 53 | ' Case ImageTypeMetafile
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| 54 | ' FromNativeImage = New Metafile(native)
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| 55 | Case Else
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| 56 | FromNativeImage = New Image(native)
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| 57 | End Select
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| 58 | End Function
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| 59 |
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| 60 | Sub Dispose()
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| 61 | If nativeImage <> 0 Then
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| 62 | GdipDisposeImage(nativeImage)
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| 63 | End If
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| 64 | nativeImage = 0
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| 65 | End Sub
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| 66 |
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| 67 | Sub ~Image()
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| 68 | Dispose()
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| 69 | End Sub
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| 70 |
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| 71 | Function Clone() As Image
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| 72 | Dim cloned As *GpImage
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| 73 | SetStatus(GdipCloneImage(nativeImage, cloned))
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| 74 | Clone = FromNativeImage(cloned)
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| 75 | End Function
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| 76 |
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| 77 | Sub Save(filename As PCWSTR, format As Imaging.ImageFormat)
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| 78 | SaveImpl(filename, format.Guid)
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| 79 | End Sub
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| 80 | /*
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| 81 | Sub Save(stream As IStream, format As Imaging.ImageFormat)
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| 82 | SaveImpl(stream, format.Guid)
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| 83 | End Sub
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| 84 |
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| 85 | Sub Save(stream As IO.Stream, format As Imaging.ImageFormat)
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| 86 | SaveImpl(stream, format.Guid)
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| 87 | End Sub
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| 88 | */
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| 89 | Sub Save(filename As PCWSTR, encoder As Imaging.ImageCodecInfo, encoderParams As Imaging.EncoderParameters)
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| 90 | SaveImpl(filename, encoder.Clsid, ToNativeEncoderParameters(encoderParams))
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| 91 | End Sub
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| 92 | /*
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| 93 | Sub Save(stream As IO.Stream, encoder As Imaging.ImageCodecInfo, encoderParams As Imaging.EncoderParameters)
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| 94 | SaveImpl(stream, encoder.Clsid, ToNativeEncoderParameters(encoderParams))
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| 95 | End Sub
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| 96 |
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| 97 | Sub Save(stream As IStream, encoder As Imaging.ImageCodecInfo, encoderParams As Imaging.EncoderParameters)
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| 98 | SaveImpl(stream, encoder.Clsid, ToNativeEncoderParameters(encoderParams))
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| 99 | End Sub
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| 100 | */
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| 101 | Private
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| 102 | Static Function ToNativeEncoderParameters(encoderParams As Imaging.EncoderParameters) As *Gdiplus.EncoderParameters
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| 103 | If ActiveBasic.IsNothing(encoderParams) Then
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| 104 | ToNativeEncoderParameters = 0
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| 105 | Else
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| 106 | ToNativeEncoderParameters = encoderParams.Params
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| 107 | End If
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| 108 | End Function
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| 109 |
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| 110 | Sub SaveImpl(filename As PCWSTR, ByRef clsidEncoder As CLSID, encoderParams = 0 As *Gdiplus.EncoderParameters)
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| 111 | SetStatus(GdipSaveImageToFile(nativeImage, filename, clsidEncoder, encoderParams))
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| 112 | End Sub
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| 113 | /*
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| 114 | Sub SaveImpl(stream As IStream, ByRef clsidEncoder As CLSID, encoderParams = 0 As *Gdiplus.EncoderParameters)
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| 115 | SetStatus(GdipSaveImageToStream(stream, clsidEncoder, encoderParams)
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| 116 | End Sub
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| 117 | */
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| 118 | Public
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| 119 | Sub SaveAdd(encoderParams As Imaging.EncoderParameters)
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| 120 | SetStatus(GdipSaveAdd(nativeImage, ByVal ToNativeEncoderParameters(encoderParams)))
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| 121 | End Sub
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| 122 |
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| 123 | Sub SaveAdd(newImage As Image, encoderParams As Imaging.EncoderParameters)
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| 124 | If ActiveBasic.IsNothing(newImage) Then
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| 125 | Throw New ArgumentNullException("newImage")
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| 126 | End If
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| 127 | SetStatus(GdipSaveAddImage(nativeImage, newImage.NativeImage, ByVal ToNativeEncoderParameters(encoderParams)))
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| 128 | End Sub
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| 129 |
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| 130 | Function PhysicalDimension() As SizeF
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| 131 | With PhysicalDimension
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| 132 | SetStatus(GdipGetImageDimension(nativeImage, .Width, .Height))
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| 133 | End With
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| 134 | End Function
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| 135 | /*
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| 136 | Function GetBounds(pageUnit As GraphicsUnit) As RectangleF
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| 137 | SetStatus(GdipGetImageBounds(nativeImage, pageUnit, GetBounds))
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| 138 | End Function
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| 139 | */
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| 140 | Function Width() As DWord
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| 141 | SetStatus(GdipGetImageWidth(nativeImage, Width))
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| 142 | End Function
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| 143 |
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| 144 | Function Height() As DWord
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| 145 | SetStatus(GdipGetImageHeight(nativeImage, Height))
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| 146 | End Function
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| 147 |
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| 148 | Function Size() As Size
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| 149 | Size.Width = This.Width
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| 150 | Size.Height = This.Height
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| 151 | End Function
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| 152 |
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| 153 | Function HorizontalResolution() As Single
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| 154 | SetStatus(GdipGetImageHorizontalResolution(nativeImage, HorizontalResolution))
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| 155 | End Function
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| 156 |
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| 157 | Function VerticalResolution() As Single
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| 158 | SetStatus(GdipGetImageVerticalResolution(nativeImage, VerticalResolution))
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| 159 | End Function
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| 160 |
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| 161 | Function Flags() As DWord
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| 162 | SetStatus(GdipGetImageFlags(nativeImage, Height))
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| 163 | End Function
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| 164 | /*
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| 165 | Status GetRawFormat(OUT GUID *format);
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| 166 | */
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| 167 | ' Function PixelFormat() As Imaging.PixelFormat
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| 168 | ' SetStatus(GdipGetImagePixelFormat(nativeImage, PixelFormat))
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| 169 | ' End Function
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| 170 |
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| 171 | ' Palette - GetPaletteSize/GetPalette/SetPalette
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| 172 | /*
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| 173 | Image* GetThumbnailImage(IN UINT thumbWidth,
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| 174 | IN UINT thumbHeight,
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| 175 | IN GetThumbnailImageAbort callback = NULL,
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| 176 | IN VOID* callbackData = NULL);
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| 177 | */
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| 178 | ' FrameDimensionsList - GetFrameDimensionsCount/GetFrameDimensionsList
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| 179 | ' GetFrameCount
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| 180 | ' SelectActiveFrame
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| 181 |
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| 182 | Sub RotateFlip(rotateFlipType As RotateFlipType)
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| 183 | SetStatus(GdipImageRotateFlip(nativeImage, rotateFlipType))
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| 184 | End Sub
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| 185 |
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| 186 | ' PropertyIdList - GetPropertyCount/GetPropertyIdList
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| 187 | ' GetPropertyItem - GetPropertyItemSize/GetPropertyItem
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| 188 | ' PropertyItems - GetPropertySize/GetAllPropertyItems
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| 189 | ' RemovePropertyItem
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| 190 | ' SetPropertyItem
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| 191 | ' GetEncoderParameterList - GetEncoderParameterList/GetEncoderParameterListSize
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| 192 |
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| 193 | Private
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[104] | 194 | nativeImage As *GpImage
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| 195 | End Class
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[635] | 196 |
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[703] | 197 | Namespace Imaging
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| 198 | Class ImageCodecInfo
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| 199 | Public
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| 200 | Sub ImageCodecInfo(ByRef nativeImageCodecInfo As Gdiplus.ImageCodecInfo)
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| 201 | ici = nativeImageCodecInfo
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| 202 | End Sub
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| 203 |
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| 204 | Function Clsid() As CLSID
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| 205 | Clsid = ici.FormatID
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| 206 | End Function
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| 207 |
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| 208 | Function FormatID() As GUID
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| 209 | FormatID = ici.FormatID
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| 210 | End Function
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| 211 |
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| 212 | Function CodecName() As String
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| 213 | CodecName = New String(ici.CodecName)
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| 214 | End Function
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| 215 |
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| 216 | Function DllName() As String
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| 217 | DllName = New String(ici.DllName)
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| 218 | End Function
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| 219 |
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| 220 | Function FormatDescription() As String
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| 221 | FormatDescription = New String(ici.FormatDescription)
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| 222 | End Function
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| 223 |
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| 224 | Function FilenameExtension() As String
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| 225 | FilenameExtension = New String(ici.FilenameExtension)
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| 226 | End Function
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| 227 |
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| 228 | ' Function Flags() As ImageCodecFlags
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| 229 | ' Flags = ici.Flags
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| 230 | ' End Function
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| 231 |
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| 232 | Function Version() As DWord
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| 233 | Version = ici.Version
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| 234 | End Function
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| 235 |
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| 236 | ' SignaturePatterns
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| 237 | ' SignatureMasks
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| 238 |
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| 239 | Static Function GetImageDecoders() As Collections.Generic.IEnumerable<ImageCodecInfo>
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| 240 | Dim num As DWord
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| 241 | Dim bufSize As DWord
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| 242 | SetStatus(GdipGetImageDecodersSize(num, bufSize))
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| 243 | Dim pici = GC_malloc_atomic(bufSize) As *Gdiplus.ImageCodecInfo
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| 244 | SetStatus(GdipGetImageDecoders(num, bufSize, pici))
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| 245 | GetImageDecoders = ImageCodecInfoPtrToEnumerable(pici, num)
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| 246 | End Function
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| 247 |
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| 248 | Static Function GetImageEncoders() As Collections.Generic.IEnumerable<ImageCodecInfo>
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| 249 | Dim num As DWord
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| 250 | Dim bufSize As DWord
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| 251 | SetStatus(GdipGetImageEncodersSize(num, bufSize))
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| 252 | Dim pici = GC_malloc_atomic(bufSize) As *Gdiplus.ImageCodecInfo
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| 253 | SetStatus(GdipGetImageEncoders(num, bufSize, pici))
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| 254 | GetImageEncoders = ImageCodecInfoPtrToEnumerable(pici, num)
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| 255 | End Function
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| 256 |
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| 257 | Private
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| 258 | Static Function ImageCodecInfoPtrToEnumerable(pici As *Gdiplus.ImageCodecInfo, n As DWord) As Collections.Generic.IEnumerable<ImageCodecInfo>
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| 259 | Dim l = New Collections.Generic.List<ImageCodecInfo>(n)
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| 260 | Dim i As DWord
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| 261 | For i = 0 To ELM(n)
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| 262 | l.Add(New ImageCodecInfo(pici[i]))
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| 263 | Next
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| 264 | Dim il = l As Collections.Generic.IList<ImageCodecInfo>
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| 265 | ImageCodecInfoPtrToEnumerable = il
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| 266 | End Function
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| 267 |
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| 268 | ici As Gdiplus.ImageCodecInfo
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| 269 | End Class
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| 270 |
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| 271 | Class ImageFormat
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| 272 | Public
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| 273 | Function Guid() As GUID
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| 274 | Guid = guid
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| 275 | End Function
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| 276 |
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| 277 | Override Function Equals(y As Object) As Boolean
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| 278 | If This.GetType().Equals(y.GetType()) Then
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| 279 | Dim yi = y As ImageFormat
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| 280 | Equals = IsEqualGUID(This.guid, yi.guid) As Boolean
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| 281 | Else
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| 282 | Equals = False
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| 283 | End If
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| 284 | End Function
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| 285 |
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| 286 | Override Function GetHashCode() As Long
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| 287 | GetHashCode = _System_HashFromGUID(guid)
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| 288 | End Function
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| 289 |
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| 290 | Static Function MemoryBmp() As ImageFormat
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| 291 | Return New ImageFormat(Gdiplus.ImageFormatMemoryBMP)
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| 292 | End Function
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| 293 |
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| 294 | Static Function Bmp() As ImageFormat
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| 295 | Return New ImageFormat(Gdiplus.ImageFormatBMP)
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| 296 | End Function
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| 297 |
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| 298 | Static Function Emf() As ImageFormat
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| 299 | Return New ImageFormat(Gdiplus.ImageFormatEMF)
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| 300 | End Function
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| 301 |
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| 302 | Static Function Wmf() As ImageFormat
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| 303 | Return New ImageFormat(Gdiplus.ImageFormatWMF)
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| 304 | End Function
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| 305 |
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| 306 | Static Function Jpeg() As ImageFormat
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| 307 | Return New ImageFormat(Gdiplus.ImageFormatJPEG)
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| 308 | End Function
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| 309 |
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| 310 | Static Function Png() As ImageFormat
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| 311 | Return New ImageFormat(Gdiplus.ImageFormatPNG)
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| 312 | End Function
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| 313 |
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| 314 | Static Function Gif() As ImageFormat
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| 315 | Return New ImageFormat(Gdiplus.ImageFormatGIF)
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| 316 | End Function
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| 317 |
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| 318 | Static Function Tiff() As ImageFormat
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| 319 | Return New ImageFormat(Gdiplus.ImageFormatTIFF)
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| 320 | End Function
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| 321 |
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| 322 | Static Function Exif() As ImageFormat
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| 323 | Return New ImageFormat(Gdiplus.ImageFormatEXIF)
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| 324 | End Function
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| 325 |
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| 326 | Static Function Icon() As ImageFormat
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| 327 | Return New ImageFormat(Gdiplus.ImageFormatIcon)
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| 328 | End Function
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| 329 |
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| 330 | Private
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| 331 | Sub ImageFormat(ByRef codecGuid As GUID)
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| 332 | guid = codecGuid
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| 333 | End Sub
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| 334 |
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| 335 | guid As GUID
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| 336 | End Class
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| 337 |
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| 338 | Class EncoderParameters
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| 339 | Public
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| 340 | Sub EncoderParameters()
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| 341 | init(1)
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| 342 | End Sub
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| 343 |
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| 344 | Sub EncoderParameters(n As Long)
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| 345 | init(n)
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| 346 | End Sub
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| 347 |
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| 348 | Function Params() As *EncoderParameter
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| 349 | Params = eps->Parameter
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| 350 | End Function
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| 351 | Private
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| 352 | Sub init(n As Long)
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| 353 | Dim size = SizeOf (Gdiplus.EncoderParameters) + SizeOf (EncoderParameter) * n
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| 354 | eps = GC_malloc(size)
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| 355 | ZeroMemory(eps, size)
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| 356 | eps->Count = n
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| 357 | End Sub
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| 358 |
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| 359 | eps As *Gdiplus.EncoderParameters
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| 360 | End Class
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[635] | 361 | End Namespace
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[703] | 362 |
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| 363 | End Namespace
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| 364 | End Namespace
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| 365 |
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| 366 | Namespace Gdiplus
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| 367 |
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| 368 | Type ImageCodecInfo
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| 369 | Clsid As CLSID
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| 370 | FormatID As GUID
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| 371 | CodecName As PCWSTR
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| 372 | DllName As PCWSTR
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| 373 | FormatDescription As PCWSTR
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| 374 | FilenameExtension As PCWSTR
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| 375 | MimeType As PCWSTR
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| 376 | Flags As DWord
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| 377 | Version As DWord
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| 378 | SigCount As DWord
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| 379 | SigSize As DWord
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| 380 | SigPattern As *Byte
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| 381 | SigMask As *Byte
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| 382 | End Type
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| 383 |
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| 384 | Type Align(8) EncoderParameters
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| 385 | Count As DWord
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| 386 | Parameter[0] As System.Drawing.Imaging.EncoderParameter
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| 387 | End Type
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| 388 |
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| 389 | End Namespace
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