// You may not use this file except in compliance with the License.
package org.ibex.graphics;
+import org.ibex.util.*;
/**
* <p>
* method. These implementations may choose to use off-screen video
* ram for this purpose (for example, a Pixmap on X11).
* </p>
- *
- * <p>
- * Many of these functions come in pairs, one that uses ints and one
- * that uses floats. The int functions are intended for situations
- * in which the CTM is the identity transform.
- * </p>
*/
-public abstract class PixelBuffer {
+public interface PixelBuffer {
+ public abstract void drawLine(int x1, int y1, int x2, int y2, int color);
+ public abstract void fillTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int color);
+ public abstract void fillTriangle(int x1, int y1, int x2, int y2, int x3, int y3, int color);
+ public abstract void drawPicture(Picture p, Affine a, Mesh h);
+ public abstract void drawGlyph(Font.Glyph source, Affine a, Mesh h, int rgb, int bg);
+ public abstract void stroke(Polygon p, int color);
+ public abstract void fill(Polygon p, Paint paint);
+}
- /** 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);
- /** fill a trapezoid whose top and bottom edges are horizontal */
- 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 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> */
+ // draws a line of width <tt>w</tt>; note that the coordinates here are <i>post-transform</i>
public void drawLine(int x1, int y1, int x2, int y2, int w, int color, boolean capped) {
if (y1 > y2) { int t = x1; x1 = x2; x2 = t; t = y1; y1 = y2; y2 = t; }
}
}
+*/