if (doublebuf != null) return;
// no point in using a shared pixmap since we'll only write to this image once
X11PixelBuffer b = new X11PixelBuffer(width, height, false);
- b.drawPicture(this, 0, 0);
+ b.drawPicture(this, 0, 0, width, height, 0, 0, width, height);
if (needsStipple) b.createStipple(this);
doublebuf = b;
}
-
}
/**
cliph = y2 - y; if (cliph < 0) cliph = 0;
}
- public void drawPicture(Picture source, int x, int y) {
- drawPicture(source, x, y, x + source.getWidth(), y + source.getHeight(), 0, 0, source.getWidth(), source.getHeight());
- }
+ public native void drawPictureAlphaOnly(Picture source, int dx1, int dy1, int dx2, int dy2,
+ int sx1, int sy1, int sx2, int sy2, int rgb);
public void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2) {
if (!(dx2 - dx1 != sx2 - sx1 || dy2 - dy1 != sy2 - sy1) && ((X11Picture)source).doublebuf != null)
public native void fillRect(int x, int y, int x2, int y2, int color);
public native void finalize();
+ // FIXME: try to use os acceleration
+ public void fillTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int argb) {
+ if (x1 == x3 && x2 == x4) {
+ fillRect(x1, y1, x4, y2, argb);
+ } else for(int y=y1; y<y2; y++) {
+ int _x1 = (int)Math.floor((y - y1) * (x3 - x1) / (y2 - y1) + x1);
+ int _y1 = (int)Math.floor(y);
+ int _x2 = (int)Math.ceil((y - y1) * (x4 - x2) / (y2 - y1) + x2);
+ int _y2 = (int)Math.floor(y) + 1;
+ if (_x1 > _x2) { int _x0 = _x1; _x1 = _x2; _x2 = _x0; }
+ fillRect(_x1, _y1, _x2, _y2, argb);
+ }
+ }
}
}