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Added scaling for the image container

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This commit is contained in:
RKrom 2014-06-02 10:52:33 +02:00
commit 52f56d7be5
2 changed files with 45 additions and 6 deletions
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28
Greenshot/Drawing/ImageContainer.cs
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@ -145,14 +145,30 @@ namespace Greenshot.Drawing {
/// </summary>
/// <param name="matrix"></param>
public override void Transform(Matrix matrix) {
base.Transform(matrix);
LOG.DebugFormat("Rotating element with {0} degrees.", CalculateAngle(matrix));
DisposeShadow();
using (var tmpMatrix = new Matrix()) {
using (image) {
image = ImageHelper.ApplyEffect(image, new RotateEffect(CalculateAngle(matrix)), tmpMatrix);
int rotateAngle = CalculateAngle(matrix);
// we currently assume only one transformation has been made.
if (rotateAngle != 0) {
LOG.DebugFormat("Rotating element with {0} degrees.", rotateAngle);
DisposeShadow();
using (var tmpMatrix = new Matrix()) {
using (Image tmpImage = image) {
image = ImageHelper.ApplyEffect(image, new RotateEffect(rotateAngle), tmpMatrix);
}
}
} else {
float scaleX = CalculateScaleX(matrix);
float scaleY = CalculateScaleY(matrix);
int newWidth = (int)(Width * scaleX);
int newHeight = (int)(Height * scaleY);
if (newWidth != Width || newHeight != Height) {
using (var tmpMatrix = new Matrix()) {
using (Image tmpImage = image) {
image = ImageHelper.ApplyEffect(image, new ResizeEffect(newWidth, newHeight, false), tmpMatrix);
}
}
}
}
base.Transform(matrix);
}
/// <summary>