2003/10/01 21:44:33

[org.ibex.core.git] / src / org / xwt / plat / Win32.java

diff --git a/src/org/xwt/plat/Win32.java b/src/org/xwt/plat/Win32.java
index b57109c..218383d 100644 (file)
--- a/src/org/xwt/plat/Win32.java
+++ b/src/org/xwt/plat/Win32.java
@@ -264,11 +264,30 @@ public class Win32 extends GCJ {
         public native void setClip(int x, int y, int x2, int y2);
         public native void fillRect(int x, int y, int x2, int y2, int color);
         public native void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2);
+
+        //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 drawPictureAlphaOnly(Picture source, int dx1, int dy1, int dx2, int dy2,
+            int sx1, int sy1, int sx2, int sy2, int rgb) { }
+
         public native void finalize();
         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());
         }
 
+        // 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);
+            }
+        }
     }
 
 }