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Cleaner fix for the Zoom bug

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2326 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-11-28 18:02:54 +00:00
commit c5fef12c9b
1 changed files with 19 additions and 11 deletions
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30
Greenshot/Forms/CaptureForm.cs
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@ -514,11 +514,10 @@ namespace Greenshot.Forms {
graphics.SmoothingMode = SmoothingMode.None;
graphics.InterpolationMode = InterpolationMode.NearestNeighbor;
graphics.CompositingQuality = CompositingQuality.HighSpeed;
graphics.PixelOffsetMode = PixelOffsetMode.None;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
int pixelThickness = destinationRectangle.Width / sourceRectangle.Width;
using (GraphicsPath path = new GraphicsPath()) {
path.AddEllipse(new Rectangle(destinationRectangle.Location, new Size(destinationRectangle.Width - pixelThickness, destinationRectangle.Height - pixelThickness)));
path.AddEllipse(destinationRectangle);
using (Region clipRegion = new Region(path)) {
graphics.Clip = clipRegion;
graphics.FillRectangle(backgroundBrush,destinationRectangle);
@ -526,15 +525,24 @@ namespace Greenshot.Forms {
}
}
int pixelThickness = destinationRectangle.Width / sourceRectangle.Width;
using (Pen pen = new Pen(Color.Black, pixelThickness)) {
int halfWidth = (destinationRectangle.Width >> 1) - (pixelThickness >> 1);
int halfWidthEnd = (destinationRectangle.Width >> 1) - pixelThickness;
int halfHeight = (destinationRectangle.Height >> 1) - (pixelThickness >> 1);
int halfHeightEnd = (destinationRectangle.Height >> 1) - pixelThickness;
graphics.DrawLine(pen, destinationRectangle.X + halfWidth, destinationRectangle.Y, destinationRectangle.X + halfWidth, destinationRectangle.Y + halfHeightEnd);
graphics.DrawLine(pen, destinationRectangle.X + halfWidth, destinationRectangle.Y + halfHeightEnd + pixelThickness, destinationRectangle.X + halfWidth, destinationRectangle.Y + destinationRectangle.Height);
graphics.DrawLine(pen, destinationRectangle.X, destinationRectangle.Y + halfHeight, destinationRectangle.X + halfWidthEnd, destinationRectangle.Y + halfHeight);
graphics.DrawLine(pen, destinationRectangle.X + halfWidthEnd + pixelThickness, destinationRectangle.Y + halfHeight, destinationRectangle.X + destinationRectangle.Width, destinationRectangle.Y + halfHeight);
int halfWidth = destinationRectangle.Width / 2;
int halfWidthEnd = (destinationRectangle.Width / 2) - (pixelThickness / 2);
int halfHeight = destinationRectangle.Height / 2;
int halfHeightEnd = (destinationRectangle.Height / 2) - (pixelThickness / 2);
int drawAtHeight = destinationRectangle.Y + halfHeight;
int drawAtWidth = destinationRectangle.X + halfWidth;
// Vertical top to middle
graphics.DrawLine(pen, drawAtWidth, destinationRectangle.Y, drawAtWidth, destinationRectangle.Y + halfHeightEnd);
// Vertical middle + 1 to bottom
graphics.DrawLine(pen, drawAtWidth, destinationRectangle.Y + halfHeightEnd + pixelThickness, drawAtWidth, destinationRectangle.Y + destinationRectangle.Height);
// Horizontal left to middle
graphics.DrawLine(pen, destinationRectangle.X, drawAtHeight, destinationRectangle.X + halfWidthEnd, drawAtHeight);
// Horizontal middle + 1 to right
graphics.DrawLine(pen, destinationRectangle.X + halfWidthEnd + pixelThickness, drawAtHeight, destinationRectangle.X + destinationRectangle.Width, drawAtHeight);
}
}