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This fixes a bug in the resize logic, the colors of the edges were not calculated correctly by GDI. Also added some additional dispose calls.

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This commit is contained in:
RKrom 2014-11-30 22:06:35 +01:00
commit 089eec769e
5 changed files with 22 additions and 12 deletions
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1
Greenshot/Drawing/Filters/BlurFilter.cs
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@ -45,7 +45,6 @@ namespace Greenshot.Drawing.Filters {
public unsafe override void Apply(Graphics graphics, Bitmap applyBitmap, Rectangle rect, RenderMode renderMode) {
int blurRadius = GetFieldValueAsInt(FieldType.BLUR_RADIUS);
double previewQuality = GetFieldValueAsDouble(FieldType.PREVIEW_QUALITY);
Rectangle applyRect = ImageHelper.CreateIntersectRectangle(applyBitmap.Size, rect, Invert);
if (applyRect.Width == 0 || applyRect.Height == 0) {
return;

3
Greenshot/Drawing/Filters/BrightnessFilter.cs
View file

@ -55,8 +55,9 @@ namespace Greenshot.Drawing.Filters {
graphics.ExcludeClip(rect);
}
float brightness = GetFieldValueAsFloat(FieldType.BRIGHTNESS);
ImageAttributes ia = ImageHelper.CreateAdjustAttributes(brightness, 1f, 1f);
using (ImageAttributes ia = ImageHelper.CreateAdjustAttributes(brightness, 1f, 1f)) {
graphics.DrawImage(applyBitmap, applyRect, applyRect.X, applyRect.Y, applyRect.Width, applyRect.Height, GraphicsUnit.Pixel, ia);
}
graphics.Restore(state);
}
}

3
Greenshot/Drawing/Filters/GrayscaleFilter.cs
View file

@ -53,9 +53,10 @@ namespace Greenshot.Drawing.Filters {
new float[] {0, 0, 0, 1, 0},
new float[] {0, 0, 0, 0, 1}
});
ImageAttributes ia = new ImageAttributes();
using (ImageAttributes ia = new ImageAttributes()) {
ia.SetColorMatrix(grayscaleMatrix);
graphics.DrawImage(applyBitmap, applyRect, applyRect.X, applyRect.Y, applyRect.Width, applyRect.Height, GraphicsUnit.Pixel, ia);
}
graphics.Restore(state);
}

3
Greenshot/Forms/CaptureForm.cs
View file

@ -688,6 +688,9 @@ namespace Greenshot.Forms {
// Horizontal middle + 1 to right
graphics.DrawRectangle(pen, destinationRectangle.X + halfWidthEnd + 2 * padding, drawAtHeight, halfWidthEnd - 2 * padding - 1, pixelThickness);
}
if (attributes != null) {
attributes.Dispose();
}
}
/// <summary>

12
GreenshotPlugin/Core/ImageHelper.cs
View file

@ -904,11 +904,12 @@ namespace GreenshotPlugin.Core {
/// <param name="dest">Image to copy to</param>
/// <param name="colorMatrix">ColorMatrix to apply</param>
public static void ApplyColorMatrix(Bitmap source, Rectangle sourceRect, Bitmap dest, Rectangle destRect, ColorMatrix colorMatrix) {
ImageAttributes imageAttributes = new ImageAttributes();
using (ImageAttributes imageAttributes = new ImageAttributes()) {
imageAttributes.ClearColorMatrix();
imageAttributes.SetColorMatrix(colorMatrix);
ApplyImageAttributes(source, sourceRect, dest, destRect, imageAttributes);
}
}
/// <summary>
/// Apply image attributes to the image
@ -1049,7 +1050,9 @@ namespace GreenshotPlugin.Core {
//create a blank bitmap the same size as original
// If using 8bpp than the following exception comes: A Graphics object cannot be created from an image that has an indexed pixel format.
Bitmap newBitmap = CreateEmpty(sourceImage.Width, sourceImage.Height, PixelFormat.Format24bppRgb, Color.Empty, sourceImage.HorizontalResolution, sourceImage.VerticalResolution);
ApplyImageAttributes((Bitmap)sourceImage, Rectangle.Empty, newBitmap, Rectangle.Empty, CreateAdjustAttributes(brightness, contrast, gamma));
using (ImageAttributes adjustAttributes = CreateAdjustAttributes(brightness, contrast, gamma)) {
ApplyImageAttributes((Bitmap)sourceImage, Rectangle.Empty, newBitmap, Rectangle.Empty, adjustAttributes);
}
return newBitmap;
}
@ -1404,7 +1407,10 @@ namespace GreenshotPlugin.Core {
using (Graphics graphics = Graphics.FromImage(newImage)) {
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.DrawImage(sourceImage, new Rectangle(destX, destY, destWidth, destHeight), new Rectangle(0, 0, sourceImage.Width, sourceImage.Height), GraphicsUnit.Pixel);
using (ImageAttributes wrapMode = new ImageAttributes()) {
wrapMode.SetWrapMode(WrapMode.TileFlipXY);
graphics.DrawImage(sourceImage, new Rectangle(destX, destY, destWidth, destHeight), 0, 0, sourceImage.Width, sourceImage.Height, GraphicsUnit.Pixel, wrapMode);
}
}
return newImage;
}