Examples of sun.java2d.SunGraphics2D

sun.java2d.SunGraphics2D
This is a the master Graphics2D superclass for all of the Sun Graphics implementations. This class relies on subclasses to manage the various device information, but provides an overall general framework for performing all of the requests in the Graphics and Graphics2D APIs. @author Jim Graham


    public void paintTrack( Graphics g ) {
        final boolean isEnabled = slider.isEnabled();
        final boolean isHorizontal =
            slider.getOrientation() == JSlider.HORIZONTAL;
        final SunGraphics2D g2d = Utils.getGraphics2D(
            g, trackRect.x, trackRect.y, trackRect.width, trackRect.height
        );
        if ( g2d == null )
            return;


        final Color oldColor = g2d.getColor();
        final Stroke oldStroke = g2d.getStroke();
        g2d.setStroke(TRACK_STROKE);


        for ( int i = 0; i < 3; ++i ) {
            if ( isEnabled )
                g2d.setColor(
                    new Color(
                        TRACK_COLORS[i],
                        TRACK_COLORS[i],
                        TRACK_COLORS[i]
                    )
                );
            else
                g2d.setColor( Color.lightGray );


            final int lOff = i == 1 ? 0 : -1;
            if ( isHorizontal )
                g2d.drawLine(
                    (int)trackRect.getMinX() - lOff,
                    (int)trackRect.getCenterY() + i - 1,
                    (int)trackRect.getMaxX() + lOff,
                    (int)trackRect.getCenterY() + i - 1
                );
            else
                g2d.drawLine(
                    (int)trackRect.getCenterX() + i - 1,
                    (int)trackRect.getMinY() - lOff,
                    (int)trackRect.getCenterX() + i - 1,
                    (int)trackRect.getMaxY() + lOff
                );
        }


        g2d.setStroke( oldStroke );
        g2d.setColor( oldColor );
    }

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        g2d.drawRenderedImage(buf, AffineTransform.getTranslateInstance(3, 2));
        g2d.dispose();
    }


    public void paintThumb( Graphics g ) {
        final SunGraphics2D g2d = Utils.getGraphics2D(
            g, thumbRect.x, thumbRect.y, thumbRect.width, thumbRect.height
        );
        if ( g2d != null ) {
            g2d.drawImage(triangleThumb, null, thumbRect.x-1, thumbRect.y);
        }
    }

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            revalidate();
            Image backBuffer = getBackBuffer();
            if (backBuffer == null) {
                return getGraphics();
            }
            SunGraphics2D g = (SunGraphics2D)backBuffer.getGraphics();
            g.constrain(-insets.left, -insets.top,
                        backBuffer.getWidth(null) + insets.left,
                        backBuffer.getHeight(null) + insets.top);
            return g;
        }

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            revalidate();
            Image backBuffer = getBackBuffer();
            if (backBuffer == null) {
                return getGraphics();
            }
            SunGraphics2D g = (SunGraphics2D)backBuffer.getGraphics();
            g.constrain(-insets.left, -insets.top,
                        backBuffer.getWidth(null) + insets.left,
                        backBuffer.getHeight(null) + insets.top);
            return g;
        }

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    }


    public void renderPathTile(Object context,
                               byte[] atile, int offset, int tilesize,
                               int x, int y, int w, int h) {
        SunGraphics2D sg = (SunGraphics2D) context;


        sg.alphafill.MaskFill(sg, sg.getSurfaceData(), sg.composite,
                              x, y, w, h,
                              atile, offset, tilesize);
    }

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    public void renderPathTile(Object ctx,
                               byte[] atile, int offset, int tilesize,
                               int x, int y, int w, int h) {
        TileContext context = (TileContext) ctx;
        PaintContext paintCtxt = context.paintCtxt;
        SunGraphics2D sg = context.sunG2D;
        SurfaceData dstData = context.dstData;
        SurfaceData srcData = null;
        Raster lastRas = null;
        if (context.lastData != null && context.lastRaster != null) {
            srcData = (SurfaceData) context.lastData.get();

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            revalidate();
            Image backBuffer = getBackBuffer();
            if (backBuffer == null) {
                return getGraphics();
            }
            SunGraphics2D g = (SunGraphics2D)backBuffer.getGraphics();
            g.constrain(-insets.left, -insets.top,
                        backBuffer.getWidth(null) + insets.left,
                        backBuffer.getHeight(null) + insets.top);
            return g;
        }

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                                    Rectangle devR, int[] bbox) {
            return sg;
        }


        public void renderBox(Object ctx, int x, int y, int w, int h) {
            SunGraphics2D sg2d = (SunGraphics2D) ctx;
            SurfaceData sd = sg2d.getSurfaceData();
            sg2d.loops.fillRectLoop.FillRect(sg2d, sd, x, y, w, h);
        }

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                               byte[] atile, int offset, int tilesize,
                               int x, int y, int w, int h) {
        TileContext context = (TileContext) ctx;
        PaintContext paintCtxt = context.paintCtxt;
        CompositeContext compCtxt = context.compCtxt;
        SunGraphics2D sg = context.sunG2D;


        Raster srcRaster = paintCtxt.getRaster(x, y, w, h);
        ColorModel paintModel = paintCtxt.getColorModel();


        Raster dstRaster;
        Raster dstIn;
        WritableRaster dstOut;


        SurfaceData sd = sg.getSurfaceData();
        dstRaster = sd.getRaster(x, y, w, h);
        if (dstRaster instanceof WritableRaster && atile == null) {
            dstOut = (WritableRaster) dstRaster;
            dstOut = dstOut.createWritableChild(x, y, w, h, 0, 0, null);
            dstIn = dstOut;
        } else {
            dstIn = dstRaster.createChild(x, y, w, h, 0, 0, null);
            dstOut = dstIn.createCompatibleWritableRaster();
        }


        compCtxt.compose(srcRaster, dstIn, dstOut);


        if (dstRaster != dstOut && dstOut.getParent() != dstRaster) {
            if (dstRaster instanceof WritableRaster && atile == null) {
                ((WritableRaster) dstRaster).setDataElements(x, y, dstOut);
            } else {
                ColorModel cm = sg.getDeviceColorModel();
                BufferedImage resImg =
                    new BufferedImage(cm, dstOut,
                                      cm.isAlphaPremultiplied(),
                                      null);
                SurfaceData resData = BufImgSurfaceData.createData(resImg);

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                dstModel.createCompatibleWritableRaster(width, height);
            boolean isPremult = dstModel.isAlphaPremultiplied();
            BufferedImage bimg =
                new BufferedImage(dstModel, wr, isPremult, null);
            SurfaceData tmpData = BufImgSurfaceData.createData(bimg);
            SunGraphics2D sg2d = new SunGraphics2D(tmpData, bgColor, bgColor,
                                                   defaultFont);
            FillRect fillop = FillRect.locate(SurfaceType.AnyColor,
                                              CompositeType.SrcNoEa,
                                              tmpData.getSurfaceType());
            Blit combineop = Blit.getFromCache(srcData.getSurfaceType(),

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