public override void LoadFileDialog(FolderLocations folderLocation, int maxWidth, int maxHeight, int x, int y, int width, int height, string[] fileTypes, StreamLoadedCallbackMethod streamLoadedCallback)
{
if (streamLoadedCallback == null) return;
string filename = EditorUtility.OpenFilePanel("Load file", "", generateFilterValue(fileTypes));
if (!string.IsNullOrEmpty(filename))
{
if (maxWidth == 0 || maxHeight == 0 || folderLocation != FolderLocations.Pictures)
{
streamLoadedCallback(new FileStream(filename, FileMode.Open, FileAccess.Read), true);
}
else
{
var newStream = new MemoryStream();
try
{
using (var stream = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
IImageDecoder decoder = null;
switch (Path.GetExtension(filename).ToLower())
{
case ".jpg": decoder = new JpegDecoder(); break;
case ".jpeg": decoder = new JpegDecoder(); break;
case ".png": decoder = new PngDecoder(); break;
default:
Debug.LogError("Unsuported file ext type: " + Path.GetExtension(filename));
streamLoadedCallback(null, false);
return;
}
var image = new ExtendedImage();
decoder.Decode(image, stream);
var newSize = MathUtilities.FitInViewIfLarger(image.PixelWidth, image.PixelHeight, maxWidth, maxHeight);
var newImage = ExtendedImage.Resize(image, (int)newSize.x, (int)newSize.y, new NearestNeighborResizer());
var encoder = new PngEncoder();
encoder.Encode(newImage, newStream);
newStream.Position = 0;
}
}
catch (Exception e)
{
newStream.Dispose();
newStream = null;
Debug.LogError(e.Message);
}
finally
{
streamLoadedCallback(newStream, true);
}
}
}
else
{
streamLoadedCallback(null, false);
}
}
public static void LoadJpeg(this WriteableBitmap bitmap, Stream sourceStream)
{
JpegDecoder decoder = new JpegDecoder();
var image = new ExtendedImage();
decoder.Decode(image, sourceStream);
WP7Utilities.UIThreadInvoke(() => bitmap.SetSource(image.ToStream()));
}
private void btnOpen_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "JPEG,PNG,BMPファイル (*.jpg,*.png,*.bmp)|*.jpg;*.png;*.bmp";
ofd.Multiselect = false;
if (ofd.ShowDialog() != true) return;
string fn = ofd.File.Name.ToLower();
IImageDecoder dec;
if (fn.EndsWith(".jpg"))
{
dec = new JpegDecoder();
}
else if (fn.EndsWith(".png"))
{
dec = new PngDecoder();
}
else if (fn.EndsWith(".bmp"))
{
dec = new BmpDecoder();
}
else
{
MessageBox.Show("エラー");
return;
}
try
{
FileStream fs = ofd.File.OpenRead();
ImageTools.Image img = new ImageTools.Image();
dec.Decode(img, fs);
if (img.Width < 50 || img.Height < 50)
{
MessageBox.Show("画像サイズが小さすぎます");
return;
}
WriteableBitmap wb = new WriteableBitmap(img.Width, img.Height);
byte[] data = img.GetPixels();
for (int y = 0; y < img.Height; y++)
{
for (int x = 0; x < img.Width; x++)
{
int idx = (x + y * img.Width) * 4;
wb.SetPixel(x, y, Color.FromArgb(data[idx + 3], data[idx], data[idx + 1], data[idx + 2]));
}
}
SetImage(wb);
fs.Close();
}
catch
{
MessageBox.Show("エラー");
}
}
