private ISupportedImageFormat GetFormat(string extension, ImageInstruction ins)
{
ISupportedImageFormat format = null;
if (extension.Equals(".jpg", StringComparison.OrdinalIgnoreCase) || extension.Equals(".jpeg", StringComparison.OrdinalIgnoreCase))
{
format = new JpegFormat {
Quality = ins.JpegQuality
}
}
;
else
if (extension.Equals(".gif", StringComparison.OrdinalIgnoreCase))
{
format = new GifFormat {
}
}
;
else if (extension.Equals(".png", StringComparison.OrdinalIgnoreCase))
{
format = new PngFormat {
}
}
;
return(format);
}
private void EnsureCurrentInstruction()
{
if (_currentInstruction == null)
{
_currentInstruction = new ImageInstruction();
_instructions.Add(_currentInstruction);
}
}
private void EnsureCurrentInstruction()
{
if (_currentInstruction == null)
{
_currentInstruction = new ImageInstruction();
_instructions.Add(_currentInstruction);
}
}
private Stream ProcessImage(IDocument input, ISupportedImageFormat format, ImageInstruction ins)
{
using (var imageFactory = new img.ImageFactory(preserveExifData: true))
{
// Load, resize, set the format and quality and save an image.
img.ImageFactory fac;
using (Stream stream = input.GetStream())
{
fac = imageFactory.Load(stream).Format(format);
}
if (ins.IsNeedResize)
{
if (ins.IsCropRequired)
{
var layer = new ResizeLayer(
size: ins.GetCropSize().Value,
anchorPosition: ins.GetAnchorPosition(),
resizeMode: ResizeMode.Crop
);
fac.Resize(layer);
}
else
{
fac.Resize(ins.GetCropSize().Value);
}
}
foreach (var f in ins.Filters)
{
fac.Filter(ins.GetMatrixFilter(f));
}
if (ins.Brightness.HasValue)
{
fac.Brightness(ins.Brightness.Value);
}
if (ins.Constraint.HasValue)
{
fac.Constrain(ins.Constraint.Value);
}
if (ins.Opacity.HasValue)
{
fac.Alpha(ins.Opacity.Value);
}
if (ins.Hue != null)
{
fac.Hue(ins.Hue.Degrees, ins.Hue.Rotate);
}
if (ins.Tint != null)
{
fac.Tint(ins.Tint.Value);
}
if (ins.Vignette != null)
{
fac.Vignette(ins.Vignette.Value);
}
if (ins.Saturation.HasValue)
{
fac.Saturation(ins.Saturation.Value);
}
if (ins.Contrast.HasValue)
{
fac.Contrast(ins.Contrast.Value);
}
var outputStream = new MemoryStream();
fac.Save(outputStream);
outputStream.Seek(0, SeekOrigin.Begin);
return(outputStream);
}
}
private Stream ProcessImage(IDocument input, ISupportedImageFormat format, ImageInstruction ins)
{
using (var imageFactory = new img.ImageFactory(preserveExifData: true))
{
// Load, resize, set the format and quality and save an image.
img.ImageFactory fac;
using (Stream stream = input.GetStream())
{
fac = imageFactory.Load(stream).Format(format);
}
if (ins.IsNeedResize)
{
if (ins.IsCropRequired)
{
var layer = new ResizeLayer(
size: ins.GetCropSize().Value,
anchorPosition: ins.GetAnchorPosition(),
resizeMode: ResizeMode.Crop
);
fac.Resize(layer);
}
else
{
fac.Resize(ins.GetCropSize().Value);
}
}
foreach (var f in ins.Filters)
{
fac.Filter(ins.GetMatrixFilter(f));
}
if (ins.Brightness.HasValue)
{
fac.Brightness(ins.Brightness.Value);
}
if (ins.Constraint.HasValue)
{
fac.Constrain(ins.Constraint.Value);
}
if (ins.Opacity.HasValue)
{
fac.Alpha(ins.Opacity.Value);
}
if (ins.Hue != null)
{
fac.Hue(ins.Hue.Degrees, ins.Hue.Rotate);
}
if (ins.Tint != null)
{
fac.Tint(ins.Tint.Value);
}
if (ins.Vignette != null)
{
fac.Vignette(ins.Vignette.Value);
}
if (ins.Saturation.HasValue)
{
fac.Saturation(ins.Saturation.Value);
}
if (ins.Contrast.HasValue)
{
fac.Contrast(ins.Contrast.Value);
}
var outputStream = new MemoryStream();
fac.Save(outputStream);
outputStream.Seek(0, SeekOrigin.Begin);
return outputStream;
}
}
private ISupportedImageFormat GetFormat(string extension, ImageInstruction ins)
{
ISupportedImageFormat format = null;
if (extension.Equals(".jpg", StringComparison.OrdinalIgnoreCase) || extension.Equals(".jpeg", StringComparison.OrdinalIgnoreCase))
format = new JpegFormat { Quality = ins.JpegQuality };
else
if (extension.Equals(".gif", StringComparison.OrdinalIgnoreCase))
format = new GifFormat { };
else if (extension.Equals(".png", StringComparison.OrdinalIgnoreCase))
format = new PngFormat { };
return format;
}
