ogb912/opensim
1
0
Fork 0
mirror of https://github.com/opensim/opensim.git synced 2026-05-13 10:06:04 +08:00
Code Issues Packages Projects Releases Wiki Activity

mantis 8442 more changes to alpha blending

Browse Source
This commit is contained in:
UbitUmarov
2019-01-16 20:24:16 +00:00
parent d8e5b7385e
commit b2810c4ca7
2 changed files with 63 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
View File

@@ -625,51 +625,85 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
{
Bitmap joint;
Graphics jG;
if(alpha >= 255)
int Width = back.Width;
int Height = back.Height;
PixelFormat format;
if(alpha < 255 || front.PixelFormat == PixelFormat.Format32bppArgb || back.PixelFormat == PixelFormat.Format32bppArgb)
format = PixelFormat.Format32bppArgb;
else
format = PixelFormat.Format32bppRgb;
joint = new Bitmap(Width, Height, format);
if (alpha >= 255)
{
joint = new Bitmap(back.Width, back.Height, PixelFormat.Format32bppArgb);
using (jG = Graphics.FromImage(joint))
{
jG.CompositingMode = CompositingMode.SourceOver;
jG.CompositingQuality = CompositingQuality.HighQuality;
jG.DrawImage(back, 0, 0, back.Width, back.Height);
jG.DrawImage(front, 0, 0, back.Width, back.Height);
jG.CompositingMode = CompositingMode.SourceCopy;
jG.DrawImage(back, 0, 0, Width, Height);
jG.CompositingMode = CompositingMode.SourceOver;
jG.DrawImage(front, 0, 0, Width, Height);
return joint;
}
}
ColorMatrix matrix = new ColorMatrix(new float[][]{
new float[] {1F, 0, 0, 0, 0},
new float[] {0, 1F, 0, 0, 0},
new float[] {0, 0, 1F, 0, 0},
new float[] {0, 0, 0, alpha/255f, 0},
new float[] {0, 0, 0, 0, 1F}});
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(matrix);
joint = new Bitmap(back.Width, back.Height, PixelFormat.Format32bppArgb);
using (jG = Graphics.FromImage(joint))
{
jG.CompositingMode = CompositingMode.SourceOver;
jG.CompositingQuality = CompositingQuality.HighQuality;
jG.CompositingMode = CompositingMode.SourceCopy;
jG.DrawImage(back, 0, 0, Width, Height);
if (alpha > 0)
{
ColorMatrix matrix = new ColorMatrix(new float[][]{
new float[] {1F, 0, 0, 0, 0},
new float[] {0, 1F, 0, 0, 0},
new float[] {0, 0, 1F, 0, 0},
new float[] {0, 0, 0, alpha/255f, 0},
new float[] {0, 0, 0, 0, 1F}});
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(matrix);
jG.CompositingMode = CompositingMode.SourceOver;
jG.DrawImage(front, new Rectangle(0, 0, Width, Height), 0, 0, front.Width, front.Height, GraphicsUnit.Pixel, imageAttributes);
}
jG.DrawImage(back, 0, 0, back.Width, back.Height);
if(alpha > 0)
jG.DrawImage(front, new Rectangle(0, 0, back.Width, back.Height), 0, 0, front.Width, front.Height, GraphicsUnit.Pixel,imageAttributes);
return joint;
}
}
private void SetAlpha(ref Bitmap b, byte alpha)
{
for (int w = 0; w < b.Width; w++)
int Width = b.Width;
int Height = b.Height;
Bitmap joint = new Bitmap(Width, Height, PixelFormat.Format32bppArgb);
if(alpha > 0)
{
for (int h = 0; h < b.Height; h++)
ColorMatrix matrix = new ColorMatrix(new float[][]{
new float[] {1F, 0, 0, 0, 0},
new float[] {0, 1F, 0, 0, 0},
new float[] {0, 0, 1F, 0, 0},
new float[] {0, 0, 0, alpha/255f, 0},
new float[] {0, 0, 0, 0, 1F}});
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(matrix);
using (Graphics jG = Graphics.FromImage(joint))
{
b.SetPixel(w, h, Color.FromArgb(alpha, b.GetPixel(w, h)));
jG.CompositingQuality = CompositingQuality.HighQuality;
jG.CompositingMode = CompositingMode.SourceCopy;
jG.DrawImage(b, new Rectangle(0, 0, Width, Height), 0, 0, Width, Height, GraphicsUnit.Pixel, imageAttributes);
}
}
Bitmap t = b;
b = joint;
t.Dispose();
}
}