static ImageU()
{
Empty = new ImageU();
Empty.Name = String.Empty;
Empty.Format = Format.NAN;
Empty.Value = unchecked ((int)double.NaN);
}
private void ImagenGifFromFile(int index)
{
Debug.WriteLine("ImageBox_ImagenGifFromFile()");
ImageU imgU = ImagenList[index];
try
{
Dictionary <Guid, ImageFormat> guidToImageFormatMap = new Dictionary <Guid, ImageFormat>()
{
{ ImageFormat.Bmp.Guid, ImageFormat.Bmp },
{ ImageFormat.Gif.Guid, ImageFormat.Png },
{ ImageFormat.Icon.Guid, ImageFormat.Png },
{ ImageFormat.Jpeg.Guid, ImageFormat.Jpeg },
{ ImageFormat.Png.Guid, ImageFormat.Png }
};
using (Image img = Image.FromFile(imgU.Name, true))
{
//Check the image format to determine what
//format the image will be saved to the
//memory stream in
ImageFormat imageFormat = null;
Guid imageGuid = img.RawFormat.Guid;
foreach (KeyValuePair <Guid, ImageFormat> pair in guidToImageFormatMap)
{
if (imageGuid == pair.Key)
{
imageFormat = pair.Value;
break;
}
}
if (imageFormat == null)
{
throw new NoNullAllowedException("Unable to determine image format");
}
//Get the frame count
var dimension = new FrameDimension(img.FrameDimensionsList[0]);
//int iCount = img.GetFrameCount(Dimension);
img.SelectActiveFrame(dimension, imgU.Value);
using (MemoryStream ms = new MemoryStream())
{
img.Save(ms, imageFormat);
Imagen = Image.FromStream(ms);
}
}
}
catch (Exception ex)
{
Debug.WriteLine(
"Error type: " + ex.GetType().ToString() +
"\nMessage: " + ex.Message +
"\nError in " + MethodBase.GetCurrentMethod().Name + "\n"
);
}
}
public void FromFile(string pathImage)
{
//se supone que existe.
Debug.WriteLine("ImageBox_FromFile()");
if (!File.Exists(pathImage))
{
return;
}
using (var stream = File.Open(pathImage, FileMode.Open))
{
Image img = Image.FromStream(stream);
//ImageFormat formato = GetImagenFormat(img);
//string ext = Path.GetExtension(pathImage).ToUpper();
//if (ext == ".GIF") {
//cargar valores del gif
var dimension = new FrameDimension(img.FrameDimensionsList[0]);
int iCount = img.GetFrameCount(dimension);
for (int i = 0; i < iCount; i++)
{
ImageU imgU = new ImageU(pathImage, Format.GIF, i);
ImagenList.Add(imgU);
}
_count = ImagenList.Count;
img.Dispose();
}
//
/*if (ext == ".JPG") {
* ImageU imgU = new ImageU(pathImage, Format.JPG, 0);
* ImagenList.Add(imgU);
* _count = ImagenList.Count;
* }*/
//img.Dispose();
if (Count <= 0) //no hay imagen que mostrar
{
CurrentFrame = -1;
}
else
{
GetNextFrame();//se muestra la primera imagen cargada
}
this.Invalidate(this.ClientRectangle);
//todo: se extrae la conclusion que solo necesitmaos
//el nombre del fichero y la frameCount de la imagen
//que pretendemos extraer.
}
private void ImagenFromFile(int index)
{
//se supone que el indice está dentro de los parametros
Debug.WriteLine("ImageBox_ImagenFromFile()");
if (ImagenList == null || Count == 0)
{
return;
}
ImageU imgU = ImagenList[index];
if (imgU.Format == Format.GIF)
{
ImagenGifFromFile(index);
}
if (imgU.Format == Format.JPG)
{
Imagen = Image.FromFile(imgU.Name, true);
}
this.Invalidate(this.ClientRectangle);
}
private void TasKSaveImageGif(string pathfile)
{
if (ImagenList.Count == 0 || ImagenList == null)
{
return;
}
Debug.WriteLine("Iniciando ... taskSaveImageGif()");
try
{
ImageU imgu;
List <ImageU> ImagenRedim = new List <ImageU>();
string dir = Path.GetTempPath();
string nametemp = Path.GetTempFileName();
int wd = Imagen.Width;
int hd = Imagen.Height;
for (int i = 0; i < ImagenList.Count; i++)
{
nametemp = Path.Combine(dir, Path.GetTempFileName());
imgu = ImagenList[i];
if (imgu.Format == Format.GIF)
{
using (Image img = Image.FromFile(imgu.Name, true))
{
var dimension = new FrameDimension(img.FrameDimensionsList[0]);
img.SelectActiveFrame(dimension, imgu.Value);
using (MemoryStream ms = new MemoryStream())
{
img.Save(ms, ImageFormat.Jpeg);
Image imgp = Image.FromStream(ms);
Image imgpaso = Utility.ResizeImage(imgp, wd, hd, true);
imgpaso.Save(nametemp + ".jpg", ImageFormat.Jpeg);
ImageU paso = new ImageU(nametemp + ".jpg", Format.GIF, 0);
ImagenRedim.Add(paso);
imgpaso.Dispose();
imgp.Dispose();
}
}
}
if (imgu.Format == Format.JPG)
{
using (Image img = Image.FromFile(imgu.Name, true))
{
Image imgpaso = Utility.ResizeImage(img, wd, hd, true);
imgpaso.Save(nametemp + ".jpg", ImageFormat.Jpeg);
ImageU paso = new ImageU(nametemp + ".jpg", Format.JPG, 0);
ImagenRedim.Add(paso);
imgpaso.Dispose();
}
}
}
AnimatedGifEncoder egif = new AnimatedGifEncoder();
egif.Start(pathfile);
egif.SetDelay(Time);
egif.SetRepeat(0);
for (int i = 0; i < ImagenRedim.Count; i++)
{
using (var stream = File.Open(ImagenRedim[i].Name, FileMode.Open))
{
egif.AddFrame(Image.FromStream(stream));
}
//añadirla.
}
egif.Finish();
for (int i = 0; i < ImagenRedim.Count; i++)
{
File.Delete(ImagenRedim[i].Name);
}
}
catch (Exception ex)
{
Debug.WriteLine(
"Error type: " + ex.GetType().ToString() +
"\nMessage: " + ex.Message +
"\nError in " + MethodBase.GetCurrentMethod().Name + "\n"
);
}
Debug.WriteLine("Finalizada la construccion del Gif: " + pathfile);
}
