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zoom crosshair optimizations for dark backgrounds

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2329 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
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JKlingen 2012-11-28 20:16:09 +00:00
parent f6b944048b
commit 8b0f4a75ed
1 changed files with 28 additions and 17 deletions
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45
Greenshot/Forms/CaptureForm.cs
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@ -526,24 +526,35 @@ namespace Greenshot.Forms {
}
int pixelThickness = destinationRectangle.Width / sourceRectangle.Width;
using (Pen pen = new Pen(Color.Black, pixelThickness)) {
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);
using (Pen pen = new Pen(Color.White, 1)) {
using(Brush brush = new SolidBrush(Color.Black)) {
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 - (pixelThickness / 2);
int drawAtWidth = destinationRectangle.X + halfWidth - (pixelThickness / 2);
int padding = pixelThickness;
// Vertical top to middle
graphics.FillRectangle(brush, drawAtWidth, destinationRectangle.Y + padding, pixelThickness, halfHeightEnd - 2*padding);
graphics.DrawRectangle(pen, drawAtWidth, destinationRectangle.Y + padding, pixelThickness, halfHeightEnd - 2*padding);
// Vertical middle + 1 to bottom
graphics.FillRectangle(brush, drawAtWidth, destinationRectangle.Y + halfHeightEnd + pixelThickness + padding, pixelThickness, halfHeightEnd - 2*padding);
graphics.DrawRectangle(pen, drawAtWidth, destinationRectangle.Y + halfHeightEnd + pixelThickness + padding, pixelThickness, halfHeightEnd - 2*padding);
// Horizontal left to middle
graphics.FillRectangle(brush, destinationRectangle.X + padding, drawAtHeight, halfWidthEnd - 2*padding, pixelThickness);
graphics.DrawRectangle(pen, destinationRectangle.X + padding, drawAtHeight, halfWidthEnd - 2*padding, pixelThickness);
// Horizontal middle + 1 to right
graphics.FillRectangle(brush, destinationRectangle.X + halfWidthEnd + pixelThickness + padding, drawAtHeight, halfWidthEnd - 2*padding, pixelThickness);
graphics.DrawRectangle(pen, destinationRectangle.X + halfWidthEnd + pixelThickness + padding, drawAtHeight, halfWidthEnd - 2*padding, pixelThickness);
pen.Width = 2;
graphics.DrawEllipse(pen, destinationRectangle);
}
}
}
/// <summary>