2003/12/13 08:13:32

[org.ibex.core.git] / src / org / xwt / PixelBuffer.java

diff --git a/src/org/xwt/PixelBuffer.java b/src/org/xwt/PixelBuffer.java
index 8285f41..aa69b11 100644 (file)
--- a/src/org/xwt/PixelBuffer.java
+++ b/src/org/xwt/PixelBuffer.java
@@ -22,17 +22,17 @@ package org.xwt;
 public abstract class PixelBuffer {
 
     /** draw the picture at (dx1, dy1), cropping to (cx1, cy1, cx2, cy2) */
-    public abstract void drawPicture(Picture source, int dx1, int dy1, int cx1, int cy1, int cx2, int cy2);
+    protected abstract void drawPicture(Picture source, int dx1, int dy1, int cx1, int cy1, int cx2, int cy2);
 
     /** fill a trapezoid whose top and bottom edges are horizontal */
-    public abstract void fillJSTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int color);
+    public abstract void fillTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int color);
 
     /**
      *  Same as drawPicture, but only uses the alpha channel of the Picture, and is allowed to destructively modify the RGB
      *  channels of the Picture in the process.  This method may assume that the RGB channels of the image are all zero IFF it
      *  restores this invariant before returning.
      */
-    public abstract void drawPictureAlphaOnly(Picture source, int dx1, int dy1, int cx1, int cy1, int cx2, int cy2, int rgb);
+    public abstract void drawGlyph(Font.Glyph source, int dx1, int dy1, int cx1, int cy1, int cx2, int cy2, int rgb);
 
     // FEATURE: we want floats (inter-pixel spacing) for antialiasing, but this hoses the fastpath line drawing... argh!
     /** draws a line of width <tt>w</tt>; note that the coordinates here are <i>post-transform</i> */
@@ -41,7 +41,8 @@ public abstract class PixelBuffer {
        if (y1 > y2) { int t = x1; x1 = x2; x2 = t; t = y1; y1 = y2; y2 = t; }
 
        if (x1 == x2) {
-            fillJSTrapezoid(x1 - w / 2, x2 + w / 2, y1 - (capped ? w / 2 : 0), x1 - w / 2, x2 + w / 2, y2 + (capped ? w / 2 : 0), color);
+            fillTrapezoid(x1 - w / 2, x2 + w / 2, y1 - (capped ? w / 2 : 0),
+                          x1 - w / 2, x2 + w / 2, y2 + (capped ? w / 2 : 0), color);
             return;
         }
 
@@ -51,9 +52,9 @@ public abstract class PixelBuffer {
             int last_x = x1;
             for(int y=y1; y<=y2; y++) {
                 int new_x = (int)((float)(y - y1) / slope) + x1;
-                if (slope >= 0) fillJSTrapezoid(last_x + 1, y != y2 ? new_x + 1 : new_x, y,
+                if (slope >= 0) fillTrapezoid(last_x + 1, y != y2 ? new_x + 1 : new_x, y,
                                               last_x + 1, y != y2 ? new_x + 1 : new_x, y + 1, color);
-                else fillJSTrapezoid(y != y2 ? new_x : new_x + 1, last_x, y,
+                else fillTrapezoid(y != y2 ? new_x : new_x + 1, last_x, y,
                                    y != y2 ? new_x : new_x + 1, last_x, y + 1, color);
                 last_x = new_x;
             }
@@ -80,9 +81,9 @@ public abstract class PixelBuffer {
            y2 += width * Math.sin(phi);
        }
 
-       fillJSTrapezoid(x1 + dx, x1 + dx, y1 - dy, x1 - dx, x1 - dx + slice, y1 + dy, color);           // top corner
-       fillJSTrapezoid(x2 + dx - slice, x2 + dx, y2 - dy, x2 - dx, x2 - dx, y2 + dy, color);           // bottom corner
-       fillJSTrapezoid(x1 - dx, x1 - dx + slice, y1 + dy, x2 + dx - slice, x2 + dx, y2 - dy, color);   // middle
+       fillTrapezoid(x1 + dx, x1 + dx, y1 - dy, x1 - dx, x1 - dx + slice, y1 + dy, color);           // top corner
+       fillTrapezoid(x2 + dx - slice, x2 + dx, y2 - dy, x2 - dx, x2 - dx, y2 + dy, color);           // bottom corner
+       fillTrapezoid(x1 - dx, x1 - dx + slice, y1 + dy, x2 + dx - slice, x2 + dx, y2 - dy, color);   // middle
     }
 
 }