protected DecodeResult Decode(ExtendedImage input)
{
var w = (int)ClosestPowerOfTwo(input.PixelWidth);
var h = (int)ClosestPowerOfTwo(input.PixelHeight);
var id = new ImageCodec.ImageData
{
width = w,
height = h,
depth = 1,
size = 0,
numMipMaps = -1,
format = PixelFormat.A8B8G8R8
};
for (int i = System.Math.Min(w, h), s = w * h; i > 0; i >>= 1, s >>= 2, id.numMipMaps++)
{
id.size += s;
}
var bp = new byte[id.size * 4];
var ofs = 0;
#if DEBUGMIPMAPS
var cval = new[] { 0xFFF00000, 0xFF00F100, 0xFF0000F2, 0xFFF3F300, 0xFF00F4F4, 0xFFF500F5, 0xFFF6F6F6 };
var cidx = 0;
#endif
while (ofs < bp.Length)
{
var wb = ExtendedImage.Resize(input, w, h, Resizer);
#if DEBUGMIPMAPS
var c = (int)cval[cidx % cval.Length];
for (var i = 0; i < wb.Pixels.Length; i++)
{
wb.Pixels[i] = c;
}
cidx++;
#endif
var len = w * h * 4;
Buffer.BlockCopy(wb.Pixels, 0, bp, ofs, len);
ofs += len;
w >>= 1;
h >>= 1;
}
return(new DecodeResult(new MemoryStream(bp), id));
}
/// <summary>
/// Handles the LoadingCompleted event of the image.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void image_LoadingCompleted(object sender, EventArgs e)
{
ExtendedImage image = sender as ExtendedImage;
if (image != null)
{
Dispatcher.BeginInvoke(() =>
{
BuildingFilterImage4.Filter = new BlendingFilter(image)
{
GlobalAlphaFactor = 0.5
};
ResizeImage1.Image = image;
ResizeImage2.Image = ExtendedImage.Resize(image, 900, new BilinearResizer());
ResizeImage3.Image = ExtendedImage.Resize(image, 100, new BilinearResizer());
ResizeImage4.Image = ExtendedImage.Resize(image, 100, new BilinearResizer());
});
}
}
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;
}
// open native dlg
var file = new OPENFILENAME();
file.lStructSize = (uint)Marshal.SizeOf(typeof(OPENFILENAME));
file.hwndOwner = IntPtr.Zero;
file.lpstrDefExt = IntPtr.Zero;
file.lpstrFile = Marshal.AllocHGlobal((int)MAX_PATH);
unsafe { ((byte *)file.lpstrFile.ToPointer())[0] = 0; }
file.nMaxFile = MAX_PATH;
file.lpstrFilter = generateFilterValue(fileTypes);
file.nFilterIndex = 0;
file.lpstrInitialDir = Marshal.StringToHGlobalUni(Application.dataPath);
file.lpstrTitle = Marshal.StringToHGlobalUni("Load file");
file.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR;
GetOpenFileName(ref file);
// get native dlg result
string filename = null;
if (file.lpstrFile != IntPtr.Zero)
{
filename = Marshal.PtrToStringUni(file.lpstrFile);
Debug.Log("Loading file: " + filename);
}
Marshal.FreeHGlobal(file.lpstrFile);
Marshal.FreeHGlobal(file.lpstrInitialDir);
Marshal.FreeHGlobal(file.lpstrTitle);
Marshal.FreeHGlobal(file.lpstrFilter);
// open file
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))
{
ImageTools.IO.IImageDecoder decoder = null;
switch (Path.GetExtension(filename).ToLower())
{
case ".jpg": decoder = new ImageTools.IO.Jpeg.JpegDecoder(); break;
case ".jpeg": decoder = new ImageTools.IO.Jpeg.JpegDecoder(); break;
case ".png": decoder = new ImageTools.IO.Png.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 = Reign.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 ImageSource SaveThumbnail(ThumbnailOptions options)
{
// Make sure this method runs in the UI thread.
if (!Deployment.Current.Dispatcher.CheckAccess())
{
return(Deployment.Current.Dispatcher.Invoke <ImageSource>(() =>
{
return SaveThumbnail(options);
}));
}
// Gets the images.
WriteableBitmap preferedImage = GetBitmapSource(options.PreferedMedia);
WriteableBitmap fallbackImage = GetBitmapSource(options.FallbackMedia);
// Determines which image needs to be saved.
WriteableBitmap targetImage = preferedImage;
if (preferedImage == null)
{
// Use the fallback image if the prefered image does not exist.
targetImage = fallbackImage;
}
else if (fallbackImage != null && options.MinWidth > -1 && preferedImage.PixelWidth < options.MinWidth && preferedImage.PixelWidth < fallbackImage.PixelWidth)
{
// Use the fallback image if its width is bigger than the prefered image's width, the latter being
// smaller than the min width.
targetImage = fallbackImage;
}
// No image? Return.
if (targetImage == null)
{
return(null);
}
// Gets the dimensions of the target image.
int targetWidth = (int)Math.Max(options.MinWidth, targetImage.PixelWidth);
double sourcePixelRatio = targetImage.PixelWidth / (double)targetImage.PixelHeight;
int targetHeight = (int)Math.Floor(targetWidth / sourcePixelRatio);
// Blurs the image if needed.
ExtendedImage targetExtendedImage = null;
if (options.Blur)
{
// Converts the image to an ImageTools image.
targetExtendedImage = targetImage.ToImage();
// Resizes the image if it can help decreasing the time needed to blur it.
// The image is only resized if the target size is less than the original size.
// Otherwise it means that the original image is smaller than the target size, in which case we blur it
// as it is and let WP scale up the blurred image later.
if (targetExtendedImage.PixelHeight * targetExtendedImage.PixelWidth > targetWidth * targetHeight)
{
targetExtendedImage = ExtendedImage.Resize(targetExtendedImage, targetWidth, targetHeight, new ImageTools.Filtering.NearestNeighborResizer());
}
// Inits the blur filter if needed and runs it.
if (_gaussianBlurFilter == null)
{
_gaussianBlurFilter = new ImageTools.Filtering.GaussianBlur()
{
Variance = 2d
};
}
targetExtendedImage = ExtendedImage.ApplyFilters(targetExtendedImage, _gaussianBlurFilter);
}
// Crops the image if needed.
if (options.CropRectangle.HasValue)
{
if (targetExtendedImage == null)
{
// Converts the image to an ImageTools image.
targetExtendedImage = targetImage.ToImage();
}
// Computes the downscaled crop rectangle.
// We're downscaling the crop rectangle instead of upscaling the image and then cropping it,
// in order to save some time.
// WP will upscale the cropped image later on.
int conformedCropWidth = Math.Min(options.CropRectangle.Value.Width, targetWidth);
int conformedCropHeight = Math.Min(options.CropRectangle.Value.Height, targetHeight);
double scaleFactor = (double)targetExtendedImage.PixelWidth / (double)targetWidth;
Rectangle crop = options.CropRectangle.Value;
crop.Width = (int)(conformedCropWidth * scaleFactor);
crop.Height = (int)(conformedCropHeight * scaleFactor);
crop.X = (int)((double)crop.X * scaleFactor);
crop.Y = (int)((double)crop.Y * scaleFactor);
// Crops the image.
if (crop.Width > 0 && crop.Height > 0)
{
targetExtendedImage = ExtendedImage.Crop(targetExtendedImage, crop);
}
// Stores the final dimensions of the image for later scaling.
targetWidth = conformedCropWidth;
targetHeight = conformedCropHeight;
}
if (targetExtendedImage != null)
{
targetImage = targetExtendedImage.ToBitmap();
}
// Saves the image.
try
{
if (targetWidth > 0 && targetHeight > 0)
{
using (IsolatedStorageFileStream stream = options.IsoStoreFile.OpenFile(options.Filename, FileMode.Create, FileAccess.ReadWrite))
{
targetImage.SaveJpeg(stream, targetWidth, targetHeight, 0, 100);
}
}
}
catch (IsolatedStorageException ex)
{
// Nothing to do, let's just dump this for further analysis.
DebugUtils.DumpException(ex, string.Format("OpenFile(f:{0})", options.Filename), true);
}
catch (ArgumentException ex)
{
// Nothing to do, let's just dump this for further analysis.
DebugUtils.DumpException(ex, string.Format("SaveJpeg(w:{0},h:{1})", targetWidth, targetHeight), true);
}
// Returns the image.
return(targetImage);
}
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);
}
}