public static Texture2D ToTexture(this Wz_Png png, GraphicsDevice graphicsDevice)
{
var format = GetTextureFormatOfPng(png.Form);
Texture2D t2d = null;
if (format == SurfaceFormat.Bgra4444)
{
//检测是否支持
if (graphicsDevice.IsSupportBgra4444())
{
t2d = MonogameUtils.CreateTexture_BGRA4444(graphicsDevice, png.Width, png.Height);
}
else
{
format = SurfaceFormat.Bgra32;
}
}
if (t2d == null)
{
t2d = new Texture2D(graphicsDevice, png.Width, png.Height, false, format);
}
png.ToTexture(t2d, Point.Zero);
return(t2d);
}
public static Texture2D ToTexture(this Wz_Png png, GraphicsDevice graphicsDevice)
{
byte[] plainData = png.GetRawData();
if (plainData == null)
{
return(null);
}
Texture2D t2d;
switch (png.Form)
{
case 1:
t2d = null;
try
{
t2d = MonogameUtils.CreateTexture_BGRA4444(graphicsDevice, png.Width, png.Height);
t2d.SetData(plainData);
}
catch //monogame并不支持这个format 用gdi+转
{
if (t2d != null)
{
t2d.Dispose();
}
goto default;
}
break;
case 2:
t2d = new Texture2D(graphicsDevice, png.Width, png.Height, false, SurfaceFormat.Color);
MonogameUtils.BgraToColor(plainData);
t2d.SetData(plainData);
break;
case 513:
t2d = new Texture2D(graphicsDevice, png.Width, png.Height, false, SurfaceFormat.Bgr565);
t2d.SetData(plainData);
break;
case 517:
t2d = new Texture2D(graphicsDevice, png.Width, png.Height, false, SurfaceFormat.Bgr565);
byte[] texData = new byte[png.Width * png.Height * 2];
for (int j0 = 0, j1 = png.Height / 16; j0 < j1; j0++)
{
int idxTex = j0 * 16 * png.Width * 2;
for (int i0 = 0, i1 = png.Width / 16; i0 < i1; i0++)
{
int idx = (i0 + j0 * i1) * 2;
for (int k = 0; k < 16; k++)
{
texData[idxTex + i0 * 32 + k * 2] = plainData[idx];
texData[idxTex + i0 * 32 + k * 2 + 1] = plainData[idx + 1];
}
}
for (int k = 1; k < 16; k++)
{
System.Buffer.BlockCopy(texData, idxTex, texData, idxTex + k * png.Width * 2, png.Width * 2);
}
}
t2d.SetData(texData);
break;
case 1026:
t2d = new Texture2D(graphicsDevice, png.Width, png.Height, false, SurfaceFormat.Dxt3);
t2d.SetData(plainData);
break;
case 2050:
t2d = new Texture2D(graphicsDevice, png.Width, png.Height, false, SurfaceFormat.Dxt5);
t2d.SetData(plainData);
break;
default: //默认从bitmap复制 二次转换
var bitmap = png.ExtractPng();
t2d = bitmap.ToTexture(graphicsDevice);
bitmap.Dispose();
break;
}
return(t2d);
}
