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 DMDRect DMDRectMake(int x, int y, int w, int h)
{
DMDRect r = new DMDRect();
r.origin = new DMDPoint()
{
x = x, y = y
};
r.size = new DMDSize()
{
width = w, height = h
};
return(r);
}
public static DMDRect DMDRectIntersection(DMDRect rect0, DMDRect rect1)
{
DMDRect result;
if (DMDRectGetMaxX(rect0) <= DMDRectGetMinX(rect1) || DMDRectGetMinX(rect0) >= DMDRectGetMaxX(rect1) ||
DMDRectGetMaxY(rect0) <= DMDRectGetMinY(rect1) || DMDRectGetMinY(rect0) >= DMDRectGetMaxY(rect1))
{
return(DMDRectMake(0, 0, 0, 0));
}
result.origin.x = Math.Max(DMDRectGetMinX(rect0), DMDRectGetMinX(rect1));
result.origin.y = Math.Max(DMDRectGetMinY(rect0), DMDRectGetMinY(rect1));
result.size.width = Math.Min(DMDRectGetMaxX(rect0), DMDRectGetMaxX(rect1)) - result.origin.x;
result.size.height = Math.Min(DMDRectGetMaxY(rect0), DMDRectGetMaxY(rect1)) - result.origin.y;
return(result);
}
public static void DMDFrameFillRect(ref DMDFrame frame, DMDRect rect, byte color)
{
rect = DMDRectIntersection(DMDFrameGetBounds(ref frame), rect);
int maxX = DMDRectGetMaxX(rect);
int maxY = DMDRectGetMaxY(rect);
int x, y;
for (x = DMDRectGetMinX(rect); x < maxX; x++)
{
for (y = DMDRectGetMinY(rect); y < maxY; y++)
{
DMDFrameSetDot(ref frame, x, y, color);
}
}
}
public static int DMDRectGetMaxY(DMDRect r)
{
return(r.origin.y + r.size.height);
}
public static int DMDRectGetMaxX(DMDRect r)
{
return(r.origin.x + r.size.width);
}
public static int DMDRectGetMinY(DMDRect r)
{
return(r.origin.y);
}
public static int DMDRectGetMinX(DMDRect r)
{
return(r.origin.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);
}