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src/java.desktop/share/classes/sun/java2d/marlin/Renderer.java
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@@ -45,10 +45,13 @@
static final float SUBPIXEL_SCALE_X = (float) SUBPIXEL_POSITIONS_X;
static final float SUBPIXEL_SCALE_Y = (float) SUBPIXEL_POSITIONS_Y;
static final int SUBPIXEL_MASK_X = SUBPIXEL_POSITIONS_X - 1;
static final int SUBPIXEL_MASK_Y = SUBPIXEL_POSITIONS_Y - 1;
+ static final float RDR_OFFSET_X = 0.501f / SUBPIXEL_SCALE_X;
+ static final float RDR_OFFSET_Y = 0.501f / SUBPIXEL_SCALE_Y;
+
// number of subpixels corresponding to a tile line
private static final int SUBPIXEL_TILE
= TILE_H << SUBPIXEL_LG_POSITIONS_Y;
// 2048 (pixelSize) pixels (height) x 8 subpixels = 64K
@@ -690,38 +693,42 @@
x0 = x1;
y0 = y1;
}
@Override
- public void curveTo(float x1, float y1,
- float x2, float y2,
- float x3, float y3)
+ public void curveTo(float pix_x1, float pix_y1,
+ float pix_x2, float pix_y2,
+ float pix_x3, float pix_y3)
{
- final float xe = tosubpixx(x3);
- final float ye = tosubpixy(y3);
- curve.set(x0, y0, tosubpixx(x1), tosubpixy(y1),
- tosubpixx(x2), tosubpixy(y2), xe, ye);
+ final float xe = tosubpixx(pix_x3);
+ final float ye = tosubpixy(pix_y3);
+ curve.set(x0, y0, tosubpixx(pix_x1), tosubpixy(pix_y1),
+ tosubpixx(pix_x2), tosubpixy(pix_y2), xe, ye);
curveBreakIntoLinesAndAdd(x0, y0, curve, xe, ye);
x0 = xe;
y0 = ye;
}
@Override
- public void quadTo(float x1, float y1, float x2, float y2) {
- final float xe = tosubpixx(x2);
- final float ye = tosubpixy(y2);
- curve.set(x0, y0, tosubpixx(x1), tosubpixy(y1), xe, ye);
+ public void quadTo(float pix_x1, float pix_y1,
+ float pix_x2, float pix_y2)
+ {
+ final float xe = tosubpixx(pix_x2);
+ final float ye = tosubpixy(pix_y2);
+ curve.set(x0, y0, tosubpixx(pix_x1), tosubpixy(pix_y1), xe, ye);
quadBreakIntoLinesAndAdd(x0, y0, curve, xe, ye);
x0 = xe;
y0 = ye;
}
@Override
public void closePath() {
- addLine(x0, y0, sx0, sy0);
- x0 = sx0;
- y0 = sy0;
+ if (x0 != sx0 || y0 != sy0) {
+ addLine(x0, y0, sx0, sy0);
+ x0 = sx0;
+ y0 = sy0;
+ }
}
@Override
public void pathDone() {
closePath();
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