public static Texture2D ToTexture(this System.Drawing.Bitmap bitmap, GraphicsDevice device)
{
var rect = new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height);
var bmpData = bitmap.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
byte[] buffer = new byte[bmpData.Stride * bmpData.Height];
Marshal.Copy(bmpData.Scan0, buffer, 0, buffer.Length);
bitmap.UnlockBits(bmpData);
//bgra->rgba
MonogameUtils.BgraToColor(buffer);
var t2d = new Texture2D(device, rect.Width, rect.Height, false, SurfaceFormat.Color);
t2d.SetData(buffer);
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);
}
private Rectangle CreateCharBuffer(char c)
{
string text = c.ToString();
SizeF size;
size = g.MeasureString(text, this.baseFont, byte.MaxValue, StringFormat.GenericTypographic);
GDIRect originRect = new GDIRect(gdiBufferX, 0, (int)Math.Ceiling(size.Width), (int)Math.Round(size.Height));
if (originRect.Width == 0)
{
originRect.Width = (int)(this.baseFont.Size / 2);
}
if (gdiBuffer.Height < originRect.Height)
{
RebuildGdiBuffer(originRect.Height);
originRect.X = 0; //2012-10-3
}
if (gdiBufferX + originRect.Width > gdiBuffer.Width)
{
g.Clear(GDIColor.Transparent);
gdiBufferX = 0;
originRect.X = 0;
}
g.DrawString(text, baseFont, Brushes.White, originRect.Location, StringFormat.GenericTypographic);
//计算范围并且复制图像数据到数组
byte[] b = new byte[4 * originRect.Width * originRect.Height];
BitmapData data = gdiBuffer.LockBits(originRect, ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
for (int i = 0; i < originRect.Height; i++)
{
IntPtr source = IntPtr.Add(data.Scan0, data.Stride * i);
System.Runtime.InteropServices.Marshal.Copy(source, b, i * 4 * originRect.Width, 4 * originRect.Width);
}
gdiBuffer.UnlockBits(data);
gdiBufferX += originRect.Width;
//调整xnaTexture的大小并粘贴图像
textureBuffer.GraphicsDevice.Textures[0] = null;
if (textureSpaceX + originRect.Width > textureBuffer.Width)
{
textureSpaceX = 0;
textureSpaceY += textureCurLineHeight;
textureCurLineHeight = 0;
}
textureCurLineHeight = Math.Max(textureCurLineHeight, originRect.Height);
if (textureSpaceY + textureCurLineHeight > textureBuffer.Height)
{
ClearTextureBuffer();
textureSpaceX = 0;
textureSpaceY = 0;
charLocation.Clear();
}
Rectangle rect = new Rectangle(textureSpaceX, textureSpaceY, originRect.Width, originRect.Height);
MonogameUtils.BgraToColor(b);
textureBuffer.SetData(0, rect, b, 0, b.Length);
textureSpaceX += rect.Width;
return(rect);
}