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Fixed Transparency issues: always using transparent when the captured image is transparent, if not use the DWMBackgroundColor. (and fixed a compile error due to forgotten commit)

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1671 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-02-20 16:40:00 +00:00
parent d3cb2d3e41
commit 096c33656c
3 changed files with 22 additions and 13 deletions
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24
GreenshotPlugin/Core/WindowsHelper.cs
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@ -876,11 +876,15 @@ namespace GreenshotPlugin.Core {
// Remove corners
if (!Image.IsAlphaPixelFormat(capturedBitmap.PixelFormat)) {
LOG.Debug("Changing pixelformat to Alpha for the RemoveCorners");
Bitmap tmpBitmap = capturedBitmap.Clone(new Rectangle(Point.Empty, capturedBitmap.Size), PixelFormat.Format32bppArgb);
Bitmap tmpBitmap = ImageHelper.Clone(capturedBitmap, PixelFormat.Format32bppArgb);
capturedBitmap.Dispose();
capturedBitmap = tmpBitmap;
}
RemoveCorners(capturedBitmap, redMask, windowCaptureMode, conf.DWMBackgroundColor);
Color cornerColor = Color.Transparent;
if (!Image.IsAlphaPixelFormat(capturedBitmap.PixelFormat)) {
cornerColor = Color.FromArgb(255, conf.DWMBackgroundColor.R, conf.DWMBackgroundColor.G, conf.DWMBackgroundColor.B);
}
RemoveCorners(capturedBitmap, redMask, cornerColor);
}
}
} finally {
@ -912,12 +916,8 @@ namespace GreenshotPlugin.Core {
/// </summary>
/// <param name="normalBitmap">The bitmap taken which would normally be returned to the editor etc.</param>
/// <param name="redBitmap">The bitmap taken with a red background</param>
/// <param name="captureMode">The capturemode so we can take transparency into accound</param>
/// <param name="destinationColor">The background color</param>
private void RemoveCorners(Bitmap normalBitmap, Bitmap redBitmap, WindowCaptureMode captureMode, Color destinationColor) {
if (captureMode == WindowCaptureMode.AeroTransparent) {
destinationColor = Color.Transparent;
}
/// <param name="cornerColor">The background color</param>
private void RemoveCorners(Bitmap normalBitmap, Bitmap redBitmap, Color cornerColor) {
using (BitmapBuffer redBuffer = new BitmapBuffer(redBitmap, false)) {
redBuffer.Lock();
using (BitmapBuffer normalBuffer = new BitmapBuffer(normalBitmap, false)) {
@ -929,28 +929,28 @@ namespace GreenshotPlugin.Core {
int cornerY = y;
Color currentPixel = redBuffer.GetColorAt(cornerX, cornerY);
if (currentPixel.R > 0 && currentPixel.G == 0 && currentPixel.B == 0) {
normalBuffer.SetColorAt(cornerX, cornerY, destinationColor);
normalBuffer.SetColorAt(cornerX, cornerY, cornerColor);
}
// top right
cornerX = normalBitmap.Width - x;
cornerY = y;
currentPixel = redBuffer.GetColorAt(cornerX, cornerY);
if (currentPixel.R > 0 && currentPixel.G == 0 && currentPixel.B == 0) {
normalBuffer.SetColorAt(cornerX, cornerY, destinationColor);
normalBuffer.SetColorAt(cornerX, cornerY, cornerColor);
}
// bottom right
cornerX = normalBitmap.Width - x;
cornerY = normalBitmap.Height - y;
currentPixel = redBuffer.GetColorAt(cornerX, cornerY);
if (currentPixel.R > 0 && currentPixel.G == 0 && currentPixel.B == 0) {
normalBuffer.SetColorAt(cornerX, cornerY, destinationColor);
normalBuffer.SetColorAt(cornerX, cornerY, cornerColor);
}
// bottom left
cornerX = x;
cornerY = normalBitmap.Height - y;
currentPixel = redBuffer.GetColorAt(cornerX, cornerY);
if (currentPixel.R > 0 && currentPixel.G == 0 && currentPixel.B == 0) {
normalBuffer.SetColorAt(cornerX, cornerY, destinationColor);
normalBuffer.SetColorAt(cornerX, cornerY, cornerColor);
}
}
}