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24  */
25 
26 package sun.java2d.pipe;
27 
28 import java.awt.Rectangle;
29 import java.awt.Shape;
30 import sun.java2d.SunGraphics2D;
31 
32 /**
33  * This class implements a CompositePipe that renders path alpha tiles
34  * into a destination that supports direct alpha compositing of a solid
35  * color, according to one of the rules in the AlphaComposite class.
36  */
37 public class AlphaColorPipe implements CompositePipe, ParallelogramPipe {
AlphaColorPipe()38     public AlphaColorPipe() {
39     }
40 
startSequence(SunGraphics2D sg, Shape s, Rectangle dev, int[] abox)41     public Object startSequence(SunGraphics2D sg, Shape s, Rectangle dev,
42                                 int[] abox) {
43         return sg;
44     }
45 
needTile(Object context, int x, int y, int w, int h)46     public boolean needTile(Object context, int x, int y, int w, int h) {
47         return true;
48     }
49 
renderPathTile(Object context, byte[] atile, int offset, int tilesize, int x, int y, int w, int h)50     public void renderPathTile(Object context,
51                                byte[] atile, int offset, int tilesize,
52                                int x, int y, int w, int h) {
53         SunGraphics2D sg = (SunGraphics2D) context;
54 
55         sg.alphafill.MaskFill(sg, sg.getSurfaceData(), sg.composite,
56                               x, y, w, h,
57                               atile, offset, tilesize);
58     }
59 
skipTile(Object context, int x, int y)60     public void skipTile(Object context, int x, int y) {
61         return;
62     }
63 
endSequence(Object context)64     public void endSequence(Object context) {
65         return;
66     }
67 
fillParallelogram(SunGraphics2D sg, double ux1, double uy1, double ux2, double uy2, double x, double y, double dx1, double dy1, double dx2, double dy2)68     public void fillParallelogram(SunGraphics2D sg,
69                                   double ux1, double uy1,
70                                   double ux2, double uy2,
71                                   double x, double y,
72                                   double dx1, double dy1,
73                                   double dx2, double dy2)
74     {
75         sg.alphafill.FillAAPgram(sg, sg.getSurfaceData(), sg.composite,
76                                  x, y, dx1, dy1, dx2, dy2);
77     }
78 
drawParallelogram(SunGraphics2D sg, double ux1, double uy1, double ux2, double uy2, double x, double y, double dx1, double dy1, double dx2, double dy2, double lw1, double lw2)79     public void drawParallelogram(SunGraphics2D sg,
80                                   double ux1, double uy1,
81                                   double ux2, double uy2,
82                                   double x, double y,
83                                   double dx1, double dy1,
84                                   double dx2, double dy2,
85                                   double lw1, double lw2)
86     {
87         sg.alphafill.DrawAAPgram(sg, sg.getSurfaceData(), sg.composite,
88                                  x, y, dx1, dy1, dx2, dy2, lw1, lw2);
89     }
90 }
91