CodeMirror/ShareX
1
0
Fork 0
mirror of https://github.com/ShareX/ShareX.git synced 2024-07-02 21:20:28 +12:00
Code Issues Packages Projects Releases Wiki Activity

Pre calculate pixelate pixel count to increase performance

Browse source
This commit is contained in:
Jaex 2016-11-28 16:24:27 +03:00
parent 1dc9ce44c6
commit 1f44d213a6
1 changed files with 4 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
ShareX.HelpersLib/Helpers/ImageHelpers.cs
View file

@ -992,10 +992,10 @@ public static void Pixelate(Bitmap bmp, int pixelSize)
{
for (int x = 0; x < unsafeBitmap.Width; x += pixelSize)
{
int r = 0, g = 0, b = 0, a = 0, count = 0;
int yLimit = Math.Min(y + pixelSize, unsafeBitmap.Height);
int xLimit = Math.Min(x + pixelSize, unsafeBitmap.Width);
int yLimit = Math.Min(y + pixelSize, unsafeBitmap.Height);
int pixelCount = (xLimit - x) * (yLimit - y);
int r = 0, g = 0, b = 0, a = 0;
for (int y2 = y; y2 < yLimit; y2++)
{
@ -1007,11 +1007,10 @@ public static void Pixelate(Bitmap bmp, int pixelSize)
g += color.Green;
b += color.Blue;
a += color.Alpha;
count++;
}
}
ColorBgra averageColor = new ColorBgra((byte)(b / count), (byte)(g / count), (byte)(r / count), (byte)(a / count));
ColorBgra averageColor = new ColorBgra((byte)(b / pixelCount), (byte)(g / pixelCount), (byte)(r / pixelCount), (byte)(a / pixelCount));
for (int y2 = y; y2 < yLimit; y2++)
{