public void copy_to_rect(DMDBuffer dst, int dst_x, int dst_y, int src_x, int src_y, int width, int height, DMDBlendMode mode = DMDBlendMode.DMDBlendModeCopy)
{
DMDRect srcRect = DMDGlobals.DMDRectMake(src_x, src_y, width, height);
DMDPoint dstPoint = DMDGlobals.DMDPointMake(dst_x, dst_y);
DMDGlobals.DMDFrameCopyRect(ref frame, srcRect, ref dst.frame, dstPoint, mode);
}
public static DMDPoint DMDPointMake(int x, int y)
{
DMDPoint p = new DMDPoint()
{
x = x, y = y
};
return(p);
}
public static void DMDFrameSetDot(ref DMDFrame frame, DMDPoint p, byte c)
{
frame.buffer[p.y * frame.size.width + p.x] = c;
}
public static byte DMDFrameGetDot(ref DMDFrame frame, DMDPoint p)
{
return(frame.buffer[p.y * frame.size.width + p.x]);
}
public static void DMDFrameCopyRect(ref DMDFrame src, DMDRect srcRect, ref DMDFrame dst, DMDPoint dstPoint, DMDBlendMode blendMode)
{
//double startTime = tools.Time.GetTime();
srcRect = DMDRectIntersection(DMDFrameGetBounds(ref src), srcRect);
DMDRect dstRect = DMDRectIntersection(DMDFrameGetBounds(ref dst),
DMDRectMake(dstPoint.x, dstPoint.y, srcRect.size.width, srcRect.size.height));
if (srcRect.size.width == 0 || srcRect.size.height == 0)
{
return; /* Nothing to do */
}
int width = dstRect.size.width;
int height = dstRect.size.height;
int x, y;
byte dot;
if (blendMode == DMDBlendMode.DMDBlendModeCopy)
{
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
dot = DMDFrameGetDot(ref src, srcRect.origin.x + x, srcRect.origin.y + y);
DMDFrameSetDot(ref dst, dstRect.origin.x + x, dstRect.origin.y + y,
dot);
}
}
}
else if (blendMode == DMDBlendMode.DMDBlendModeAdd)
{
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
byte srcDot = DMDFrameGetDot(ref src, srcRect.origin.x, srcRect.origin.y + y);
byte dstDot = DMDFrameGetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y);
DMDFrameSetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y, (byte)Math.Min(srcDot + dstDot, 0xF));
}
}
}
else if (blendMode == DMDBlendMode.DMDBlendModeBlackSource)
{
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
byte srcDot = DMDFrameGetDot(ref src, srcRect.origin.x, srcRect.origin.y + y);
byte dstDot = DMDFrameGetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y);
// Only write dots into black dots
if ((srcDot & 0xf) != 0)
{
DMDFrameSetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y, (byte)((dstDot & 0xf0) | (srcDot & 0xf)));
}
}
}
}
else if (blendMode == DMDBlendMode.DMDBlendModeSubtract)
{
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
byte srcDot = DMDFrameGetDot(ref src, srcRect.origin.x, srcRect.origin.y + y);
byte dstDot = DMDFrameGetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y);
DMDFrameSetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y, (byte)Math.Max(srcDot + dstDot, 0xF));
}
}
}
else if (blendMode == DMDBlendMode.DMDBlendModeAlpha)
{
byte[] alphaMap = DMDGetAlphaMap();
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
byte srcDot = DMDFrameGetDot(ref src, srcRect.origin.x, srcRect.origin.y + y);
byte dstDot = DMDFrameGetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y);
byte v = alphaMap[srcDot * 256 + (dstDot | 0xf0)];
DMDFrameSetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y, (byte)((dstDot & 0xf0) | (v & 0x0f)));
}
}
}
else if (blendMode == DMDBlendMode.DMDBlendModeAlphaBoth)
{
byte[] alphaMap = DMDGetAlphaMap();
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
byte dstValue = DMDFrameGetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y);
byte srcValue = DMDFrameGetDot(ref src, srcRect.origin.x, srcRect.origin.y + y);
DMDFrameSetDot(ref dst, dstRect.origin.x, dstRect.origin.y + y, alphaMap[srcValue * 256 + dstValue]);
}
}
}
//Console.WriteLine(" DMDFrameCopyRect total time: {0}ms", (tools.Time.GetTime() - startTime) * 1000);
}