Leahnaya/FModel
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new opacity method (fix?)

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This commit is contained in:
Asval 2019-10-28 00:56:43 +01:00
parent 7d74ff4c2f
commit e9a4a1051b
3 changed files with 39 additions and 20 deletions
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2
FModel/Methods/Utilities/FoldersUtility.cs
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@ -61,7 +61,7 @@ namespace FModel.Methods.Utilities
{
if (string.IsNullOrEmpty(FProp.Default.FOutput_Path))
{
FProp.Default.FOutput_Path = AppDomain.CurrentDomain.BaseDirectory + "\\Output";
FProp.Default.FOutput_Path = AppDomain.CurrentDomain.BaseDirectory + "Output";
FProp.Default.Save();
}
}

53
FModel/Methods/Utilities/ImagesUtility.cs
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@ -30,33 +30,48 @@ namespace FModel.Methods.Utilities
public static BitmapSource CreateTransparency(BitmapSource source, int opacity)
{
if (source.Format != PixelFormats.Bgra32)
int pixelsCount = source.PixelWidth * source.PixelHeight;
int[] pixels = new int[pixelsCount];
int stride = (source.PixelWidth * source.Format.BitsPerPixel + 7) / 8;
source.CopyPixels(pixels, stride, 0);
for (int i = 0; i < pixelsCount; i++)
{
return source;
int alpha = (pixels[i] >> 24) & 255;
int red = (pixels[i] >> 16) & 255;
int green = (pixels[i] >> 8) & 255;
int blue = pixels[i] & 255;
alpha = ChangeColorOpacity(alpha, opacity);
int color = (alpha << 24) + (red << 16) + (green << 8) + blue;
pixels[i] = color;
}
int bytesPerPixel = (source.Format.BitsPerPixel + 7) / 8;
int stride = bytesPerPixel * source.PixelWidth;
byte[] buffer = new byte[stride * source.PixelHeight];
BitmapSource result = BitmapSource.Create(source.PixelWidth, source.PixelHeight, source.DpiX, source.DpiY,
PixelFormats.Bgra32, null, pixels, stride);
source.CopyPixels(buffer, stride, 0);
return result;
}
private static int ChangeColorOpacity(int color, int opacity)
{
color -= 255 - opacity;
for (int y = 0; y < source.PixelHeight; y++)
return AdjustColorValue(color);
}
private static int AdjustColorValue(int color)
{
if (color > 255)
{
for (int x = 0; x < source.PixelWidth; x++)
{
int i = stride * y + bytesPerPixel * x;
if (buffer[i + 3] != 0x00) //do not change the pixels that are already transparent god dammit
{
buffer[i + 3] = Convert.ToByte(opacity);
}
}
color = 255;
}
else if (color < 0)
{
color = 0;
}
return BitmapSource.Create(
source.PixelWidth, source.PixelHeight,
source.DpiX, source.DpiY,
source.Format, null, buffer, stride);
return color;
}
public static void LoadImageAfterExtraction(DrawingVisual image)

4
README.md
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@ -13,6 +13,10 @@
<img src="https://img.shields.io/github/v/release/iamasval/fmodel"
alt="Releases">
</a>
<a href="https://github.com/iAmAsval/FModel/releases/latest">
<img src="https://img.shields.io/github/downloads/iAmAsval/FModel/latest/total.svg?label=v3.0%20Downloads"
alt="Downloads">
</a>
<a href="https://twitter.com/AsvalFN"><img src="https://img.shields.io/badge/Twitter-@AsvalFN-1da1f2.svg?logo=twitter"></a>
<a href="https://discord.gg/fdkNYYQ">
<img src="https://img.shields.io/badge/Discord-Need%20Help%3F-778cd4.svg?logo=discord">