private static void SaveImage(MagickImage image, int width, int height, ResizeBehaviour resizeBehaviour)
{
image.Write(
Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.MyPictures),
string.Format("{0}-{1}-{2}x{3}.jpeg", DateTime.UtcNow.Ticks, resizeBehaviour, width, height)));
}
public void Resize(MagickImage input, Stream output, int width, int height, ResizeBehaviour resizeBehaviour, ProcessingBehaviour processingBehaviour)
{
switch (resizeBehaviour)
{
case ResizeBehaviour.MaintainAspectRatio:
this.ResizeMaintainAspectRatio(input, output, width, height);
break;
case ResizeBehaviour.CropToAspectRatio:
this.ResizeCropToAspectRatio(input, output, width, height);
break;
}
if (processingBehaviour == ProcessingBehaviour.Darken)
{
input.Colorize(new MagickColor(0, 0, 0), new Percentage(60));
}
else if (processingBehaviour == ProcessingBehaviour.Lighten)
{
input.Colorize(new MagickColor(ushort.MaxValue, ushort.MaxValue, ushort.MaxValue), new Percentage(75));
input.Draw(
new DrawableGravity(Gravity.Center),
new DrawableFont("Arial"),
new DrawableFillColor(Color.Black),
new DrawablePointSize(28),
new DrawableText(0, 0, "Preview"));
}
input.Write(output);
}
public Thumbnail(int width, int height, string alias, ResizeBehaviour resizeBehaviour, ProcessingBehaviour processingBehaviour, params Thumbnail[] children)
{
this.Width = width;
this.Height = height;
this.Alias = alias;
this.ResizeBehaviour = resizeBehaviour;
this.ProcessingBehaviour = processingBehaviour;
this.Children = children == null ? new List <Thumbnail>() : children.ToList();
}
private void PerformResizeTest(
SampleImage sampleImage,
int desiredWidth,
int desiredHeight,
ResizeBehaviour resizeBehaviour,
ProcessingBehaviour processingBehaviour,
params Action <Bitmap>[] asserts)
{
using (var inputStream = sampleImage.Open())
using (var input = new MagickImage(inputStream))
using (var outputStream = new MemoryStream())
{
this.target.Resize(input, outputStream, desiredWidth, desiredHeight, resizeBehaviour, processingBehaviour);
////SaveImage(input, desiredWidth, desiredHeight, resizeBehaviour);
outputStream.Seek(0, SeekOrigin.Begin);
var outputImage = new Bitmap(outputStream);
foreach (var assert in asserts)
{
assert(outputImage);
}
if (resizeBehaviour == ResizeBehaviour.MaintainAspectRatio)
{
Assert.IsTrue(
this.AreClose(
sampleImage.Width / (double)sampleImage.Height,
outputImage.Width / (double)outputImage.Height));
}
else
{
Assert.IsTrue(
this.AreClose(desiredWidth / (double)desiredHeight, outputImage.Width / (double)outputImage.Height));
}
}
}
public Thumbnail(int width, int height, string alias, ResizeBehaviour resizeBehaviour, params Thumbnail[] children)
: this(width, height, alias, resizeBehaviour, ProcessingBehaviour.None, children)
{
}
