/// <summary>
/// GDRAWGWITHMASK(int ID, int srcID, int maskID, int destX, int destY)
/// エラーチェックは呼び出し元でのみ行う
/// </summary>
public void GDrawGWithMask(GraphicsImage srcGra, GraphicsImage maskGra, Point destPoint)
{
if (g == null)
{
throw new NullReferenceException();
}
Bitmap destImg = this.GetBitmap();
byte[] srcBytes = BytesFromBitmap(srcGra.GetBitmap());
byte[] srcMaskBytes = BytesFromBitmap(maskGra.GetBitmap());
Rectangle destRect = new Rectangle(destPoint.X, destPoint.Y, srcGra.Width, srcGra.Height);
System.Drawing.Imaging.BitmapData bmpData =
destImg.LockBits(new Rectangle(0, 0, destImg.Width, destImg.Height),
System.Drawing.Imaging.ImageLockMode.ReadWrite,
PixelFormat.Format32bppArgb);
try
{
IntPtr ptr = bmpData.Scan0;
byte[] pixels = new byte[bmpData.Stride * destImg.Height];
System.Runtime.InteropServices.Marshal.Copy(ptr, pixels, 0, pixels.Length);
for (int y = 0; y < srcGra.Height; y++)
{
int destIndex = ((destPoint.Y + y) * destImg.Width + destPoint.X) * 4;
int srcIndex = ((0 + y) * srcGra.Width + 0) * 4;
for (int x = 0; x < srcGra.Width; x++)
{
if (srcMaskBytes[srcIndex] == 255) //完全不透明
{
pixels[destIndex++] = srcBytes[srcIndex++];
pixels[destIndex++] = srcBytes[srcIndex++];
pixels[destIndex++] = srcBytes[srcIndex++];
pixels[destIndex++] = srcBytes[srcIndex++];
}
else if (srcMaskBytes[srcIndex] == 0) //完全透明
{
destIndex += 4;
srcIndex += 4;
}
else //半透明 alpha/255ではなく（alpha+1）/256で計算しているがたぶん誤差
{
int mask = srcMaskBytes[srcIndex]; mask++;
pixels[destIndex] = (byte)((srcBytes[srcIndex] * mask + pixels[destIndex] * (256 - mask)) >> 8); srcIndex++; destIndex++;
pixels[destIndex] = (byte)((srcBytes[srcIndex] * mask + pixels[destIndex] * (256 - mask)) >> 8); srcIndex++; destIndex++;
pixels[destIndex] = (byte)((srcBytes[srcIndex] * mask + pixels[destIndex] * (256 - mask)) >> 8); srcIndex++; destIndex++;
pixels[destIndex] = (byte)((srcBytes[srcIndex] * mask + pixels[destIndex] * (256 - mask)) >> 8); srcIndex++; destIndex++;
}
}
}
// Bitmapへコピー
System.Runtime.InteropServices.Marshal.Copy(pixels, 0, ptr, pixels.Length);
}
finally
{
destImg.UnlockBits(bmpData);
}
}
/// <summary>
/// GDRAWG(int ID, int srcID, int destX, int destY, int destWidth, int destHeight, int srcX, int srcY, int srcWidth, int srcHeight)
/// エラーチェックは呼び出し元でのみ行う
/// </summary>
public void GDrawG(GraphicsImage srcGra, Rectangle destRect, Rectangle srcRect)
{
// if (g == null)
// throw new NullReferenceException();
// Bitmap src = srcGra.GetBitmap();
// g.DrawImage(src, destRect, srcRect, GraphicsUnit.Pixel);
}
/// <summary>
/// GDRAWG(int ID, int srcID, int destX, int destY, int destWidth, int destHeight, int srcX, int srcY, int srcWidth, int srcHeight, float[][] cm)
/// エラーチェックは呼び出し元でのみ行う
/// </summary>
public void GDrawG(GraphicsImage srcGra, Rectangle destRect, Rectangle srcRect, float[][] cm)
{
// if (g == null)
// throw new NullReferenceException();
// Bitmap src = srcGra.GetBitmap();
// ImageAttributes imageAttributes = new ImageAttributes();
// ColorMatrix colorMatrix = new ColorMatrix(cm);
// imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default,ColorAdjustType.Bitmap);
// //g.DrawImage(img.Bitmap, destRect, srcRect, GraphicsUnit.Pixel, imageAttributes);なんでこのパターンないのさ
// g.DrawImage(src, destRect, srcRect.X, srcRect.Y, srcRect.Width, srcRect.Height, GraphicsUnit.Pixel, imageAttributes);
}
static public void CreateSpriteG(string imgName, GraphicsImage parent, Rectangle rect)
{
if (string.IsNullOrEmpty(imgName))
{
throw new ArgumentOutOfRangeException();
}
imgName = imgName.ToUpper();
SpriteG newCImg = new SpriteG(imgName, parent, rect);
imageDictionary[imgName] = newCImg;
}
//static public T GetContent<T>(string name)where T :AContentItem
//{
// if (name == null)
// return null;
// name = name.ToUpper();
// if (!itemDic.ContainsKey(name))
// return null;
// return itemDic[name] as T;
//}
static public GraphicsImage GetGraphics(int i)
{
if (gList.ContainsKey(i))
{
return(gList[i]);
}
GraphicsImage g = new GraphicsImage(i);
gList[i] = g;
return(g);
}
//static public T GetContent<T>(string name)where T :AContentItem
//{
// if (name == null)
// return null;
// name = name.ToUpper();
// if (!itemDic.ContainsKey(name))
// return null;
// return itemDic[name] as T;
//}
static public GraphicsImage GetGraphics(int i)
{
GraphicsImage gi;
gList.TryGetValue(i, out gi);
if (gi != null)
{
return(gi);
}
GraphicsImage g = new GraphicsImage(i);
gList[i] = g;
return(g);
}
public SpriteG(string name, GraphicsImage gra, Rectangle rect)
: base(name, gra, rect)
{
}
public override void Dispose()
{
g = null;
}
