void Design::drawPolygon(Graphics::ManagedSurface *surface, Common::ReadStream &in,
Patterns &patterns, byte fillType, byte borderThickness, byte borderFillType) {
byte ignored = in.readSint16BE(); // ignored
if (ignored)
warning("Ignored: %d", ignored);
int numBytes = in.readSint16BE(); // #bytes used by polygon data, including the numBytes
int16 by1 = in.readSint16BE();
int16 bx1 = in.readSint16BE();
int16 by2 = in.readSint16BE();
int16 bx2 = in.readSint16BE();
Common::Rect bbox(bx1, by1, bx2, by2);
numBytes -= 8;
int y1 = in.readSint16BE();
int x1 = in.readSint16BE();
Common::Array<int> xcoords;
Common::Array<int> ycoords;
numBytes -= 6;
while (numBytes > 0) {
int y2 = y1;
int x2 = x1;
int b = in.readSByte();
if (b == -128) {
y2 = in.readSint16BE();
numBytes -= 3;
} else {
y2 += b;
numBytes -= 1;
}
b = in.readSByte();
if (b == -128) {
x2 = in.readSint16BE();
numBytes -= 3;
} else {
x2 += b;
numBytes -= 1;
}
xcoords.push_back(x1);
ycoords.push_back(y1);
x1 = x2;
y1 = y2;
}
xcoords.push_back(x1);
ycoords.push_back(y1);
int npoints = xcoords.size();
int *xpoints = (int *)calloc(npoints, sizeof(int));
int *ypoints = (int *)calloc(npoints, sizeof(int));
for (int i = 0; i < npoints; i++) {
xpoints[i] = xcoords[i];
ypoints[i] = ycoords[i];
}
PlotData pd(surface, &patterns, fillType, 1, this);
if (fillType <= patterns.size()) {
Graphics::drawPolygonScan(xpoints, ypoints, npoints, bbox, kColorBlack, drawPixel, &pd);
}
pd.fillType = borderFillType;
pd.thickness = borderThickness;
if (borderThickness > 0 && borderFillType <= patterns.size()) {
for (int i = 1; i < npoints; i++)
Graphics::drawLine(xpoints[i-1], ypoints[i-1], xpoints[i], ypoints[i], kColorBlack, drawPixel, &pd);
}
free(xpoints);
free(ypoints);
}
