public MemBitmap LoadImage(Stream input, OutputImageFormat format)
{
ImageTools.ExtendedImage extendedImg = new ImageTools.ExtendedImage();
//TODO: review img loading, we should not use only its extension
switch (format)
{
case OutputImageFormat.Jpeg:
{
var decoder = new ImageTools.IO.Jpeg.JpegDecoder();
var dst = new JpegDecoderDst();
extendedImg.JpegDecompressDest = dst;
extendedImg.Load(input, decoder);
//copy from
return(dst.MemBitmapOutput);
}
break;
case OutputImageFormat.Png:
{
var decoder = new ImageTools.IO.Png.PngDecoder();
extendedImg.Load(input, decoder);
}
break;
default:
throw new System.NotSupportedException();
}
//assume 32 bit ??
byte[] pixels = extendedImg.Pixels;
unsafe
{
fixed(byte *p_src = &pixels[0])
{
PixelFarm.CpuBlit.MemBitmap memBmp = PixelFarm.CpuBlit.MemBitmap.CreateFromCopy(
extendedImg.PixelWidth,
extendedImg.PixelHeight,
(IntPtr)p_src,
pixels.Length,
false
);
memBmp.IsBigEndian = true;
return(memBmp);
}
}
////PixelFarm.CpuBlit.MemBitmap memBmp = PixelFarm.CpuBlit.MemBitmap.CreateFromCopy(
//// extendedImg.PixelWidth,
//// extendedImg.PixelHeight,
//// extendedImg.PixelWidth * 4, //assume
//// 32, //assume?
//// extendedImg.Pixels,
//// false
//// );
////the imgtools load data as BigEndian
//memBmp.IsBigEndian = true;
//return memBmp;
}
static PixelFarm.Agg.ActualImage LoadImage(string filename)
{
ImageTools.ExtendedImage extendedImg = new ImageTools.ExtendedImage();
using (var fs = new System.IO.FileStream(filename, System.IO.FileMode.Open, System.IO.FileAccess.Read))
{
//TODO: review img loading, we should not use only its extension
//
string fileExt = System.IO.Path.GetExtension(filename).ToLower();
switch (fileExt)
{
case ".png":
{
var decoder = new ImageTools.IO.Png.PngDecoder();
extendedImg.Load(fs, decoder);
}
break;
case ".jpg":
{
var decoder = new ImageTools.IO.Jpeg.JpegDecoder();
extendedImg.Load(fs, decoder);
}
break;
default:
throw new System.NotSupportedException();
}
//var decoder = new ImageTools.IO.Png.PngDecoder();
}
//assume 32 bit
PixelFarm.Agg.ActualImage actualImg = PixelFarm.Agg.ActualImage.CreateFromBuffer(
extendedImg.PixelWidth,
extendedImg.PixelHeight,
PixelFarm.Agg.PixelFormat.ARGB32,
extendedImg.Pixels32
);
//the imgtools load data as BigEndian
actualImg.IsBigEndian = true;
return(actualImg);
}
public MemBitmap LoadImage(Stream input, OutputImageFormat format)
{
ImageTools.ExtendedImage extendedImg = new ImageTools.ExtendedImage();
//TODO: review img loading, we should not use only its extension
switch (format)
{
case OutputImageFormat.Png:
{
var decoder = new ImageTools.IO.Png.PngDecoder();
extendedImg.Load(input, decoder);
}
break;
case OutputImageFormat.Jpeg:
{
var decoder = new ImageTools.IO.Jpeg.JpegDecoder();
extendedImg.Load(input, decoder);
}
break;
default:
throw new System.NotSupportedException();
}
//var decoder = new ImageTools.IO.Png.PngDecoder();
//assume 32 bit
PixelFarm.CpuBlit.MemBitmap memBmp = PixelFarm.CpuBlit.MemBitmap.CreateFromCopy(
extendedImg.PixelWidth,
extendedImg.PixelHeight,
extendedImg.Pixels32
);
//the imgtools load data as BigEndian
memBmp.IsBigEndian = true;
return(memBmp);
}
private void ParseImg(HtmlNode htmlNode, ref List <Elements.BaseElement> elements)
{
string path = _ePubViewer.Book.GetFilePath(HttpUtility.UrlDecode(htmlNode.Attributes["src"].Value.Replace("../", "")));
if (path == null) // img src file does not exists (don't render)
{
Debug.WriteLine(String.Format(CultureInfo.InvariantCulture, "Warning: EPubReader.Parseer.ParseImg - Image \"{0}\" does not exists.", HttpUtility.UrlDecode(htmlNode.Attributes["src"].Value.Replace("../", ""))));
return;
}
Stream s = IsolatedStorageHelper.ReadZipStream(path);
string fileName = Guid.NewGuid().ToString();
Size size = Size.Empty;
// detect image type
if (
path.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".jpeg", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".jpe", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".jif", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".jfif", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".jfi", StringComparison.OrdinalIgnoreCase)
)
{
BitmapSource bs = new BitmapImage();
bs.SetSource(s);
size = new Size(bs.PixelWidth, bs.PixelHeight);
// save image
fileName += ".jpg";
string isfPath = Path.Combine(_ePubViewer.Book.GetImagesDirectory(), fileName);
try
{
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isf.DirectoryExists(Path.GetDirectoryName(isfPath)))
{
isf.CreateDirectory(Path.GetDirectoryName(isfPath));
}
using (IsolatedStorageFileStream isfs = isf.CreateFile(isfPath))
{
WriteableBitmap wb = new WriteableBitmap(bs);
wb.SaveJpeg(isfs, bs.PixelWidth, bs.PixelHeight, 0, 100);
isfs.Close();
}
}
}
catch
{
Debug.WriteLine(String.Format(CultureInfo.InvariantCulture, "Warning: EPubReader.Parseer.ParseImg - Error saving image \"{0}\".", isfPath));
return;
}
}
else if (
path.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".dib", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".gif", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".png", StringComparison.OrdinalIgnoreCase)
)
{
ImageTools.ExtendedImage extendedImage = new ImageTools.ExtendedImage();
ImageTools.IO.IImageDecoder decoder;
if (
path.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase)
||
path.EndsWith(".dib", StringComparison.OrdinalIgnoreCase)
)
{
decoder = new ImageTools.IO.Bmp.BmpDecoder();
}
else if (path.EndsWith(".gif", StringComparison.OrdinalIgnoreCase))
{
decoder = new ImageTools.IO.Gif.GifDecoder();
}
else // if (path.EndsWith(".png", StringComparison.OrdinalIgnoreCase))
{
decoder = new ImageTools.IO.Png.PngDecoder();
}
decoder.Decode(extendedImage, s);
size = new Size(extendedImage.PixelWidth, extendedImage.PixelHeight);
ImageTools.IO.Png.PngEncoder pngEncoder = new ImageTools.IO.Png.PngEncoder();
// save image
fileName += ".png";
string isfPath = Path.Combine(_ePubViewer.Book.GetImagesDirectory(), fileName);
try
{
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isf.DirectoryExists(Path.GetDirectoryName(isfPath)))
{
isf.CreateDirectory(Path.GetDirectoryName(isfPath));
}
using (IsolatedStorageFileStream isfs = isf.CreateFile(isfPath))
{
pngEncoder.Encode(extendedImage, isfs);
isfs.Close();
}
}
}
catch
{
Debug.WriteLine(String.Format(CultureInfo.InvariantCulture, "Warning: EPubReader.Parseer.ParseImg - Error saving image \"{0}\".", isfPath));
return;
}
}
else
{
s.Close();
s.Dispose();
Debug.WriteLine(String.Format(CultureInfo.InvariantCulture, "Warning: EPubReader.Parseer.ParseImg - Not recognizable image type \"{0}\".", path));
return;
}
RemoveLastBreak(ref elements);
// add image
Elements.BaseElement element = new Elements.Image()
{
FileName = fileName,
Width = (int)size.Width,
Height = (int)size.Height
};
ExtractId(htmlNode, ref element);
elements.Add(element);
}
private static void waitAndProcessImage(string[] fileTypes, string[] dataPathPatterns, int maxWidth, int maxHeight, StreamLoadedCallbackMethod streamLoadedCallback)
{
// wait for event
while (true)
{
IntPtr _event = IntPtr.Zero;
Common.bps_get_event(ref _event, -1); // wait here for next event
if (_event != IntPtr.Zero)
{
if (Common.bps_event_get_code(_event) == NAVIGATOR_CHILD_CARD_CLOSED)
{
IntPtr reasonPtr = Common.navigator_event_get_card_closed_reason(_event);
string reason = Marshal.PtrToStringAnsi(reasonPtr);
Debug.Log("reason: " + reason);
if (reason == "save") //save - cancel
{
IntPtr dataPathPtr = Common.navigator_event_get_card_closed_data(_event);
string dataPath = Marshal.PtrToStringAnsi(dataPathPtr);
Debug.Log("Loading file from dataPath: " + dataPath);
try
{
System.Text.RegularExpressions.MatchCollection matches = null;
foreach (var pattern in dataPathPatterns)
{
matches = System.Text.RegularExpressions.Regex.Matches(dataPath, pattern);
if (matches.Count != 0)
{
break;
}
}
if (matches != null)
{
foreach (System.Text.RegularExpressions.Match match in matches)
{
if (match.Groups.Count == 3)
{
string path = match.Groups[1].Value;
string fileName = match.Groups[2].Value;
// check for valid file type
bool pass = false;
foreach (var type in fileTypes)
{
if (Path.GetExtension(fileName) == type)
{
pass = true;
break;
}
}
if (!pass)
{
throw new Exception("Invalid file ext.");
}
// load file
MemoryStream stream = null;
using (var file = new FileStream(path + fileName, FileMode.Open, FileAccess.Read))
{
if (maxWidth != 0 && maxHeight != 0)
{
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 ImageTools.ExtendedImage();
decoder.Decode(image, file);
var newSize = MathUtilities.FitInViewIfLarger(image.PixelWidth, image.PixelHeight, maxWidth, maxHeight);
var newImage = ImageTools.ExtendedImage.Resize(image, (int)newSize.x, (int)newSize.y, new ImageTools.Filtering.NearestNeighborResizer());
var encoder = new ImageTools.IO.Jpeg.JpegEncoder();
stream = new MemoryStream();
encoder.Encode(newImage, stream);
stream.Position = 0;
/*unsafe
* {
* IntPtr ilib = IntPtr.Zero;
* if (img_lib_attach(&ilib) != 0)
* {
* Debug.LogError("Failed: img_lib_attach");
* streamLoadedCallback(null, false);
* return;
* }
*
* img_t image = new img_t();
* image.flags = 0x00000002;
* image.format = 32 | 0x00000100 | 0x00001000;
* img_decode_callouts_t callouts = new img_decode_callouts_t();
* if (img_load_file(ilib, "file://"+path+fileName, &callouts, &image) != 0)
* {
* img_t newImage = new img_t();
* if (img_resize_fs(&image, &newImage) != 0)
* {
* Debug.LogError("Failed: img_resize_fs");
* streamLoadedCallback(null, false);
* return;
* }
*
* Debug.Log("WIDTH: " + image.w);
* Debug.Log("HEIGHT: " + image.h);
* streamLoadedCallback(null, false);
* return;
* //byte* data = (byte*)newImage.data.ToPointer();
* //byte[] managedData = new byte[newImage.stride];
*
* //stream = new MemoryStream();
* }
* else
* {
* Debug.LogError("Failed to load image file: " + path + fileName);
* streamLoadedCallback(null, false);
* return;
* }
*
* img_lib_detach(ilib);
* }*/
}
else
{
var data = new byte[file.Length];
file.Read(data, 0, data.Length);
stream = new MemoryStream(data);
stream.Position = 0;
}
}
streamLoadedCallback(stream, true);
return;
}
else
{
throw new Exception("Invalid dataPath.");
}
}
}
}
catch (Exception e)
{
Debug.LogError(e.Message);
}
streamLoadedCallback(null, false);
}
else
{
streamLoadedCallback(null, false);
}
break;
}
}
}
}
private static void waitAndProcessImage(string[] fileTypes, string[] dataPathPatterns, int maxWidth, int maxHeight, StreamLoadedCallbackMethod streamLoadedCallback)
{
// wait for event
while (true)
{
IntPtr _event = IntPtr.Zero;
Common.bps_get_event(ref _event, -1);// wait here for next event
if (_event != IntPtr.Zero)
{
if (Common.bps_event_get_code(_event) == NAVIGATOR_CHILD_CARD_CLOSED)
{
IntPtr reasonPtr = Common.navigator_event_get_card_closed_reason(_event);
string reason = Marshal.PtrToStringAnsi(reasonPtr);
Debug.Log("reason: " + reason);
if (reason == "save")//save - cancel
{
IntPtr dataPathPtr = Common.navigator_event_get_card_closed_data(_event);
string dataPath = Marshal.PtrToStringAnsi(dataPathPtr);
Debug.Log("Loading file from dataPath: " + dataPath);
try
{
System.Text.RegularExpressions.MatchCollection matches = null;
foreach (var pattern in dataPathPatterns)
{
matches = System.Text.RegularExpressions.Regex.Matches(dataPath, pattern);
if (matches.Count != 0) break;
}
if (matches != null)
foreach (System.Text.RegularExpressions.Match match in matches)
{
if (match.Groups.Count == 3)
{
string path = match.Groups[1].Value;
string fileName = match.Groups[2].Value;
// check for valid file type
bool pass = false;
foreach (var type in fileTypes)
{
if (Path.GetExtension(fileName) == type)
{
pass = true;
break;
}
}
if (!pass) throw new Exception("Invalid file ext.");
// load file
MemoryStream stream = null;
using (var file = new FileStream(path+fileName, FileMode.Open, FileAccess.Read))
{
if (maxWidth != 0 && maxHeight != 0)
{
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 ImageTools.ExtendedImage();
decoder.Decode(image, file);
var newSize = MathUtilities.FitInViewIfLarger(image.PixelWidth, image.PixelHeight, maxWidth, maxHeight);
var newImage = ImageTools.ExtendedImage.Resize(image, (int)newSize.x, (int)newSize.y, new ImageTools.Filtering.NearestNeighborResizer());
var encoder = new ImageTools.IO.Jpeg.JpegEncoder();
stream = new MemoryStream();
encoder.Encode(newImage, stream);
stream.Position = 0;
/*unsafe
{
IntPtr ilib = IntPtr.Zero;
if (img_lib_attach(&ilib) != 0)
{
Debug.LogError("Failed: img_lib_attach");
streamLoadedCallback(null, false);
return;
}
img_t image = new img_t();
image.flags = 0x00000002;
image.format = 32 | 0x00000100 | 0x00001000;
img_decode_callouts_t callouts = new img_decode_callouts_t();
if (img_load_file(ilib, "file://"+path+fileName, &callouts, &image) != 0)
{
img_t newImage = new img_t();
if (img_resize_fs(&image, &newImage) != 0)
{
Debug.LogError("Failed: img_resize_fs");
streamLoadedCallback(null, false);
return;
}
Debug.Log("WIDTH: " + image.w);
Debug.Log("HEIGHT: " + image.h);
streamLoadedCallback(null, false);
return;
//byte* data = (byte*)newImage.data.ToPointer();
//byte[] managedData = new byte[newImage.stride];
//stream = new MemoryStream();
}
else
{
Debug.LogError("Failed to load image file: " + path + fileName);
streamLoadedCallback(null, false);
return;
}
img_lib_detach(ilib);
}*/
}
else
{
var data = new byte[file.Length];
file.Read(data, 0, data.Length);
stream = new MemoryStream(data);
stream.Position = 0;
}
}
streamLoadedCallback(stream, true);
return;
}
else
{
throw new Exception("Invalid dataPath.");
}
}
}
catch (Exception e)
{
Debug.LogError(e.Message);
}
streamLoadedCallback(null, false);
}
else
{
streamLoadedCallback(null, false);
}
break;
}
}
}
}
