private static void parseBrush(RdpPacket data, BrushOrder brush, int present)
{
if ((present & 1) != 0)
{
brush.XOrigin = data.ReadByte();
}
if ((present & 2) != 0)
{
brush.YOrigin = data.ReadByte();
}
if ((present & 4) != 0)
{
brush.Style = data.ReadByte();
}
byte[] pattern = brush.Pattern;
if ((present & 8) != 0)
{
pattern[0] = (byte)data.ReadByte();
}
if ((present & 0x10) != 0)
{
for (int i = 1; i < 8; i++)
{
pattern[i] = (byte)data.ReadByte();
}
}
}
internal static void drawPatBltOrder(int opcode, int x, int y, int cx, int cy, int fgcolor, int bgcolor, BrushOrder brush)
{
int num3;
int boundsRight = (x + cx) - 1;
if (boundsRight > Options.BoundsRight)
{
boundsRight = Options.BoundsRight;
}
if (x > Options.BoundsRight)
{
x = Options.BoundsRight;
}
if (x < Options.BoundsLeft)
{
x = Options.BoundsLeft;
}
cx = (boundsRight - x) + 1;
if (cx < 0)
{
cx = 0;
}
int boundsBottom = (y + cy) - 1;
if (boundsBottom > Options.BoundsBottom)
{
boundsBottom = Options.BoundsBottom;
}
if (y > Options.BoundsBottom)
{
y = Options.BoundsBottom;
}
if (y < Options.BoundsTop)
{
y = Options.BoundsTop;
}
cy = (boundsBottom - y) + 1;
if (cy < 0)
{
cy = 0;
}
ChangedRect.Invalidate(x, y, cx, cy);
uint[] src = null;
switch (Brush.Style)
{
case 0:
src = new uint[cx * cy];
for (num3 = 0; num3 < src.Length; num3++)
{
src[num3] = (uint)fgcolor;
}
RasterOp.do_array(opcode, Options.Canvas, Options.Canvas.Width, x, y, cx, cy, src, cx, 0, 0);
break;
case 1:
case 2:
break;
case 3:
{
int xOrigin = Brush.XOrigin;
int yOrigin = Brush.YOrigin;
byte[] pattern = Brush.Pattern;
src = new uint[cx * cy];
int index = 0;
for (num3 = 0; num3 < cy; num3++)
{
for (int i = 0; i < cx; i++)
{
if ((pattern[(num3 + yOrigin) % 8] & (((int)1) << ((i + xOrigin) % 8))) == 0)
{
src[index] = (uint)fgcolor;
}
else
{
src[index] = (uint)bgcolor;
}
index++;
}
}
RasterOp.do_array(opcode, Options.Canvas, Options.Canvas.Width, x, y, cx, cy, src, cx, 0, 0);
return;
}
default:
return;
}
}