public void SetPixel(int x, int y, PixelData4 val)
{
int index = m_width * m_bpp * y + x * m_bpp; //BGRA
m_imageData[index] = val.B;
m_imageData[index + 1] = val.G;
m_imageData[index + 2] = val.R;
m_imageData[index + 3] = val.A; //alpha
m_modify = true;
}
public static void BlendColor(ref PixelData4 target, PixelData4 other, float amount)
{
target.R = (byte)((other.R - (255 - target.R)) * amount + (255 - target.R));
target.G = (byte)((other.G - (255 - target.G)) * amount + (255 - target.G));
target.B = (byte)((other.B - (255 - target.B)) * amount + (255 - target.B));
target.A = (byte)((other.A - (255 - target.A)) * amount + (255 - target.A));
}
public static Bitmap CreateBitmap(int width, int height,PixelData4 col )
{
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
BitmapData data =
bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.WriteOnly, bitmap.PixelFormat);
unsafe
{
byte* pSrc = (byte*)data.Scan0.ToPointer();
int offset = data.Stride - bitmap.Width * 4;
for (int y = 0; y < bitmap.Height; ++y)
{
for (int x = 0; x < bitmap.Width; ++x)
{
*(pSrc ) = col.R;
*(pSrc + 1) = col.G;
*(pSrc + 2) = col.B;
*(pSrc + 3) = col.A;
pSrc += 4;
}
pSrc += offset;
}
}
bitmap.UnlockBits(data);
return bitmap;
}
public static void MixColor(ref PixelData4 target, PixelData4 other, float amount)
{
target.R = (byte)((other.R - target.R) * amount + target.R);
target.G = (byte)((other.G - target.G) * amount + target.G);
target.B = (byte)((other.B - target.B) * amount + target.B);
target.A = (byte)((other.A - target.A) * amount + target.A);
}
public static Bitmap RedMixImage(Bitmap srcBmp, Bitmap srBmp2)
{
Bitmap destBmp = srcBmp.Clone() as Bitmap;
BitmapData srcData = srBmp2.LockBits(new Rectangle(0, 0, srBmp2.Width, srBmp2.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
BitmapData destData = destBmp.LockBits(new Rectangle(0, 0, destBmp.Width, destBmp.Height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
PixelData4* dest = (PixelData4*)destData.Scan0;
PixelData3* src = (PixelData3*)srcData.Scan0;
int srcOffset = srcData.Stride / 3 - srBmp2.Width;
int destOffset = destData.Stride / 4 - destBmp.Width;
for (int y = 0; y < destBmp.Height; ++y)
{
for (int x = 0; x < destBmp.Width; ++x)
{
PixelData4 pixel =
new PixelData4(
(byte)((*dest).R * ((*src).R / 255f)),
(byte)((*dest).G * ((*src).G / 255f)),
(*src).B,
(*dest).A);
*(dest++) = pixel;
src++;
}
src += srcOffset;
dest += destOffset;
}
destBmp.UnlockBits(destData);
srBmp2.UnlockBits(srcData);
return destBmp;
}