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Optimizing: Replaced BitmapBuffer with FastBitmap, also changed some filters to use more GDI "hardware" instead of home-made pixel processing. Only on Windows 8 the blur is "slow", when radius < 20.

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2531 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2013-03-11 16:44:34 +00:00
parent ea20ead07e
commit 5018f67ff7
12 changed files with 481 additions and 814 deletions
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37
GreenshotPlugin/Core/WindowsHelper.cs
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@ -1117,14 +1117,13 @@ namespace GreenshotPlugin.Core {
/// </summary>
/// <param name="image">The bitmap to remove the corners from.</param>
private void RemoveCorners(Bitmap image) {
using (BitmapBuffer buffer = new BitmapBuffer((Bitmap)image, false)) {
buffer.Lock();
using (IFastBitmap fastBitmap = FastBitmap.Create(image)) {
for (int y = 0; y < conf.WindowCornerCutShape.Count; y++) {
for (int x = 0; x < conf.WindowCornerCutShape[y]; x++) {
buffer.SetColorAt(x, y, Color.Transparent);
buffer.SetColorAt(image.Width-1-x, y, Color.Transparent);
buffer.SetColorAt(image.Width-1-x, image.Height-1-y, Color.Transparent);
buffer.SetColorAt(x, image.Height-1-y, Color.Transparent);
fastBitmap.SetColorAt(x, y, Color.Transparent);
fastBitmap.SetColorAt(image.Width-1-x, y, Color.Transparent);
fastBitmap.SetColorAt(image.Width-1-x, image.Height-1-y, Color.Transparent);
fastBitmap.SetColorAt(x, image.Height-1-y, Color.Transparent);
}
}
}
@ -1139,23 +1138,19 @@ namespace GreenshotPlugin.Core {
/// <param name="whiteBitmap">Bitmap with the black image</param>
/// <returns>Bitmap with transparency</returns>
private Bitmap ApplyTransparency(Bitmap blackBitmap, Bitmap whiteBitmap) {
Bitmap returnBitmap = new Bitmap(blackBitmap.Width, blackBitmap.Height, PixelFormat.Format32bppArgb);
returnBitmap.SetResolution(blackBitmap.HorizontalResolution, blackBitmap.VerticalResolution);
using (BitmapBuffer blackBuffer = new BitmapBuffer(blackBitmap, false)) {
blackBuffer.Lock();
using (BitmapBuffer whiteBuffer = new BitmapBuffer(whiteBitmap, false)) {
whiteBuffer.Lock();
using (BitmapBuffer targetBuffer = new BitmapBuffer(returnBitmap, false)) {
targetBuffer.Lock();
for(int y=0; y<blackBuffer.Height;y++) {
for(int x=0; x<blackBuffer.Width;x++) {
Color c0 = blackBuffer.GetColorAt(x,y);
Color c1 = whiteBuffer.GetColorAt(x,y);
using (IFastBitmap targetBuffer = FastBitmap.CreateEmpty(blackBitmap.Size, PixelFormat.Format32bppArgb, Color.Transparent)) {
targetBuffer.SetResolution(blackBitmap.HorizontalResolution, blackBitmap.VerticalResolution);
using (IFastBitmap blackBuffer = FastBitmap.Create(blackBitmap)) {
using (IFastBitmap whiteBuffer = FastBitmap.Create(whiteBitmap)) {
for (int y = 0; y < blackBuffer.Height; y++) {
for (int x = 0; x < blackBuffer.Width; x++) {
Color c0 = blackBuffer.GetColorAt(x, y);
Color c1 = whiteBuffer.GetColorAt(x, y);
// Calculate alpha as double in range 0-1
double alpha = (c0.R - c1.R + 255) / 255d;
if (alpha == 1) {
// Alpha == 1 means no change!
targetBuffer.SetColorAt(x, y, c0);
targetBuffer.SetColorAt(x, y, c0);
} else if (alpha == 0) {
// Complete transparency, use transparent pixel
targetBuffer.SetColorAt(x, y, Color.Transparent);
@ -1168,14 +1163,14 @@ namespace GreenshotPlugin.Core {
byte originalBlue = (byte)Math.Min(255, c0.B / alpha);
Color originalColor = Color.FromArgb(originalAlpha, originalRed, originalGreen, originalBlue);
//Color originalColor = Color.FromArgb(originalAlpha, originalRed, c0.G, c0.B);
targetBuffer.SetColorAt(x, y, originalColor);
targetBuffer.SetColorAt(x, y, originalColor);
}
}
}
}
}
return targetBuffer.UnlockAndReturnBitmap();
}
return returnBitmap;
}
/// <summary>