public static List <string> SupportedImageFileType(string fileExtension, ImageFileTypes imageFiles)
{
List <string> supportedFiles = new List <string>();
supportedFiles.Add(".jpg");
supportedFiles.Add(".png");
return(supportedFiles);
}
/// <summary>
/// バイト配列からWriteableBitmapを生成する
/// </summary>
/// <param name="width">幅</param>
/// <param name="height">高さ</param>
/// <param name="array">ピクセルデータ</param>
/// <returns>WriteableBitmapオブジェクト</returns>
public static WriteableBitmap FromArray(int width, int height, byte[] array, ImageFileTypes type = ImageFileTypes.Normal)
{
// 出力用のWriteableBitmapオブジェクトを生成する
var bitmap = new WriteableBitmap(width, height);
#if WINDOWS_STORE_APPS
if (type == ImageFileTypes.GifWithStrokes)
{
// WriteableBitmapへバイト配列のピクセルデータをコピーする
using (var pixelStream = bitmap.PixelBuffer.AsStream())
{
pixelStream.Seek(0, SeekOrigin.Begin);
var pixelCount = array.Length / 4;
for (var i = 0; i < pixelCount; i++)
{
var index = i * 4;
var r = array[index + 0];
var g = array[index + 1];
var b = array[index + 2];
var a = array[index + 3];
pixelStream.WriteByte(b);
pixelStream.WriteByte(g);
pixelStream.WriteByte(r);
pixelStream.WriteByte(a);
}
}
}
else
{
// WriteableBitmapへバイト配列のピクセルデータをコピーする
using (var pixelStream = bitmap.PixelBuffer.AsStream())
{
pixelStream.Seek(0, SeekOrigin.Begin);
pixelStream.Write(array, 0, array.Length);
}
}
#elif WINDOWS_PHONE
int max = width * height;
for (int i = 0; i < max; i++)
{
int index = i * 4;
int a = array[index + 3];
int r = array[index + 2];
int g = array[index + 1];
int b = array[index + 0];
bitmap.Pixels[i] = (a << 24 | r << 16 | g << 8 | b);
}
#endif
return bitmap;
}
public GMDataExporter( string aDirectory, ImageFileTypes aImageFormat )
: base(aDirectory)
{
m_imageFormat = aImageFormat;
}
public GMDataExporter(string aDirectory, ImageFileTypes aImageFormat) : base(aDirectory)
{
m_imageFormat = aImageFormat;
}
public XmlExporter( string aImportDirectory, ImageFileTypes aImageFormat, IEnumerable<ActionLibrary> aLibraries )
: base(aImportDirectory, aImageFormat)
{
m_actionLibs = aLibraries;
}
public IRecognitionJob Create(ImageFileTypes fileType, IStoredImageFile file, IConfiguredTesseractEngineFactory engineFactory, IEnumerable <IPreprocessor> preprocessors) =>
fileType switch
{
/// <summary>
/// IRandomAccessStreamストリームからWriteableBitmapオブジェクトを生成する
/// </summary>
/// <param name="stream">IRandomAccessStreamストリーム</param>
/// <returns>WriteableBitmapオブジェクト</returns>
public static async Task<WriteableBitmap> FromRandomAccessStreamAsync(IRandomAccessStream stream, ImageFileTypes type = ImageFileTypes.Normal)
{
// ストリームからピクセルデータを読み込む
var decoder = await BitmapDecoder.CreateAsync(stream);
var transform = new BitmapTransform();
var pixelData = await decoder.GetPixelDataAsync(decoder.BitmapPixelFormat, decoder.BitmapAlphaMode,
transform, ExifOrientationMode.RespectExifOrientation, ColorManagementMode.ColorManageToSRgb);
var pixels = pixelData.DetachPixelData();
// ピクセルデータからWriteableBitmapオブジェクトを生成する
return WriteableBitmapLoadExtensions.FromArray((int)decoder.OrientedPixelWidth, (int)decoder.OrientedPixelHeight, pixels, type);
}
/// <summary>
/// IRandomAccessStreamストリームからWriteableBitmapオブジェクトを生成する
/// </summary>
/// <param name="stream">IRandomAccessStreamストリーム</param>
/// <returns>WriteableBitmapオブジェクト</returns>
public static async Task<WriteableBitmap> FromStreamAsync(IRandomAccessStream stream, ImageFileTypes type = ImageFileTypes.Normal)
{
return await FromRandomAccessStreamAsync(stream, type);
}
public static async Task<WriteableBitmap> FromFileAsync(StorageFile file, ImageFileTypes type = ImageFileTypes.Normal)
{
var bitmap = default(WriteableBitmap);
using (var strm = await file.OpenStreamForReadAsync())
{
bitmap = await WriteableBitmapLoadExtensions.FromStreamAsync(strm, type);
}
return bitmap;
}
/// <summary>
/// ストリームからWriteableBitmapオブジェクトを生成する
/// </summary>
/// <param name="stream">Streamストリーム</param>
/// <returns>WriteableBitmapオブジェクト</returns>
public static async Task<WriteableBitmap> FromStreamAsync(System.IO.Stream stream, ImageFileTypes type = ImageFileTypes.Normal)
{
WriteableBitmap retBitmap = null;
#if WINDOWS_STORE_APPS
// ストリームからbyte配列に読み込む
stream.Seek(0, SeekOrigin.Begin);
var bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
var buffe = bytes.AsBuffer();
using (var ras = new InMemoryRandomAccessStream())
{
await ras.WriteAsync(buffe);
ras.Seek(0);
retBitmap = await FromRandomAccessStreamAsync(ras, type);
}
#else
var bitmapSource = new BitmapImage();
bitmapSource.SetSource(stream);
retBitmap = new WriteableBitmap(bitmapSource);
#endif
return retBitmap;
}
