public static void SaveThumbnailImage(int width, int height, Bitmap image, ImageFormat newFormat, Stream thumbOut, ImageFilter filter)
{
ThumbMaker thumb = new ThumbMaker(image, newFormat);
if (newFormat == ImageFormat.Jpeg)
{
//note: supports high quality JPEG thumbnailing
thumb.ResizeToJpeg(width, height, JPEG_QUALITY, thumbOut, filter);
}
else if (newFormat == ImageFormat.Gif)
{
//note: supports transparent images
thumb.ResizeToGif(width, height, thumbOut, filter);
}
else if (newFormat == ImageFormat.Png)
{
//note: nothing special needs to be done here since PNG format rules!
thumb.ResizeToPng(width, height, thumbOut, filter);
}
else if (newFormat == ImageFormat.Bmp)
{
thumb.ResizeToBmp(width, height, thumbOut, filter);
}
else
{
throw new Exception("unsupported image format detected");
}
}
public void ThumbnailFromWebToFile()
{
ThumbMaker.GenerateFromUri(
TestImageWebUriPath,
ImageFormat.Jpeg,
100,
400,
ThumbMaker.VerticalAlign.Center,
ThumbMaker.HorizontalAlign.Center).SaveThumbnailToJpg(TestImageWriteFolder + System.Reflection.MethodBase.GetCurrentMethod() + ".png", 100);
}
/// <summary>
/// Resizes the GIF.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="size">The size.</param>
/// <returns></returns>
private Bitmap ResizeGif(Bitmap image, Size size)
{
if (image.Size == size)
{
return(image);
}
ThumbMaker maker = new ThumbMaker(image);
return(maker.ResizeToGif(size));
}
public void ThumbnailFromFileToFileJPG()
{
string path = TestImageReadFolder + "FullSubjectAtRight.jpg";
ThumbMaker.GenerateFromFile(
path,
ImageFormat.Jpeg,
100,
100,
ThumbMaker.VerticalAlign.Center,
ThumbMaker.HorizontalAlign.Center).SaveThumbnailToJpg(TestImageWriteFolder + System.Reflection.MethodBase.GetCurrentMethod() + ".jpg", 100);
}
public void ThumbnailFromFileToFileByteArray()
{
string path = TestImageReadFolder + "SubjectCenter.jpg";
byte[] thumb = ThumbMaker.GenerateFromFile(
path,
ImageFormat.Jpeg,
150,
150,
ThumbMaker.VerticalAlign.Center,
ThumbMaker.HorizontalAlign.Center);
}
public void ThumbnailFromMemoryToFile()
{
string s = Path.GetRandomFileName();
Image inputImage = Image.FromFile(TestImageReadFolder + "FullSubjectAtLeft.jpg");
ThumbMaker.GenerateFromObj(
inputImage,
ImageFormat.Jpeg,
100,
100,
ThumbMaker.VerticalAlign.Center,
ThumbMaker.HorizontalAlign.Center).SaveThumbnailToJpg(TestImageWriteFolder + System.Reflection.MethodBase.GetCurrentMethod() + ".jpg", 50);
}
public void ThumbnailFromWebToObj()
{
//set as kind of random sizes
int thumbWidth = 120;
int thumbHeight = 120;
Image i = ThumbMaker.GenerateFromUri(
TestImageWebUriPath,
ImageFormat.Jpeg,
thumbHeight,
thumbWidth,
ThumbMaker.VerticalAlign.Center,
ThumbMaker.HorizontalAlign.Center).SaveThumbnailToObj();
Assert.AreEqual(thumbHeight, i.Height, "generated height was not expected.");
Assert.AreEqual(thumbWidth, i.Width, "generated width was not expcected");
}
/// <summary>
/// Resizes the GIF.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="size">The size.</param>
/// <returns></returns>
private Bitmap ResizeGif(Bitmap image, Size size)
{
if (image.Size == size)
{
return image;
}
ThumbMaker maker = new ThumbMaker(image);
return maker.ResizeToGif(size);
}
public static void SaveThumbnailImage(int width, int height, Bitmap image, ImageFormat newFormat, Stream thumbOut, ImageFilter filter)
{
ThumbMaker thumb = new ThumbMaker(image, newFormat);
if (newFormat == ImageFormat.Jpeg)
{
//note: supports high quality JPEG thumbnailing
thumb.ResizeToJpeg(width, height, JPEG_QUALITY, thumbOut, filter);
}
else if (newFormat == ImageFormat.Gif)
{
//note: supports transparent images
thumb.ResizeToGif(width, height, thumbOut, filter);
}
else if (newFormat == ImageFormat.Png)
{
//note: nothing special needs to be done here since PNG format rules!
thumb.ResizeToPng(width, height, thumbOut, filter);
}
else if (newFormat == ImageFormat.Bmp)
{
thumb.ResizeToBmp(width, height, thumbOut, filter);
}
else
{
throw new Exception("unsupported image format detected");
}
}
