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25 
26 package sun.java2d.xr;
27 
28 import java.awt.*;
29 import java.awt.geom.*;
30 import java.awt.image.*;
31 
32 import sun.java2d.*;
33 import sun.java2d.loops.*;
34 import sun.java2d.pipe.*;
35 
36 /**
37  * Class used for re-routing transformed blits to the accelerated loops.
38  */
39 
40 public class XRDrawImage extends DrawImage {
41 
42     @Override
renderImageXform(SunGraphics2D sg, Image img, AffineTransform tx, int interpType, int sx1, int sy1, int sx2, int sy2, Color bgColor)43     protected void renderImageXform(SunGraphics2D sg, Image img,
44             AffineTransform tx, int interpType, int sx1, int sy1, int sx2,
45             int sy2, Color bgColor) {
46         SurfaceData dstData = sg.surfaceData;
47         SurfaceData srcData = dstData.getSourceSurfaceData(img,
48                 SunGraphics2D.TRANSFORM_GENERIC, sg.imageComp, bgColor);
49 
50         if (sg.composite instanceof AlphaComposite) {
51             int compRule = ((AlphaComposite) sg.composite).getRule();
52             float extraAlpha = ((AlphaComposite) sg.composite).getAlpha();
53 
54             if (srcData != null && !isBgOperation(srcData, bgColor)
55                 && interpType <= AffineTransformOp.TYPE_BILINEAR
56                 && (XRUtils.isMaskEvaluated(XRUtils.j2dAlphaCompToXR(compRule))
57                     || (XRUtils.isTransformQuadrantRotated(tx))
58                     && extraAlpha == 1.0f))
59             {
60                 SurfaceType srcType = srcData.getSurfaceType();
61                 SurfaceType dstType = dstData.getSurfaceType();
62 
63                 TransformBlit blit = TransformBlit.getFromCache(srcType,
64                         sg.imageComp, dstType);
65                 if (blit != null) {
66                     blit.Transform(srcData, dstData, sg.composite,
67                           sg.getCompClip(), tx, interpType, sx1, sy1, 0, 0, sx2
68                                 - sx1, sy2 - sy1);
69                     return;
70                 }
71             }
72         }
73 
74         super.renderImageXform(sg, img, tx, interpType, sx1, sy1, sx2, sy2,
75                 bgColor);
76     }
77 }
78