Java Code Examples for sun.java2d.SunGraphics2D#getCompClip()

public void drawLine(SunGraphics2D sg2d, int x1, int y1, int x2, int y2) {
    Region compClip = sg2d.getCompClip();
    int transX1 = Region.clipAdd(x1, sg2d.transX);
    int transY1 = Region.clipAdd(y1, sg2d.transY);
    int transX2 = Region.clipAdd(x2, sg2d.transX);
    int transY2 = Region.clipAdd(y2, sg2d.transY);

    SunToolkit.awtLock();
    try {
        validateSurface(sg2d);
        lineGen.rasterizeLine(rectBuffer, transX1, transY1,
                transX2, transY2, compClip.getLoX(), compClip.getLoY(),
                compClip.getHiX(), compClip.getHiY(), true, true);
        tileManager.fillMask((XRSurfaceData) sg2d.surfaceData);
    } finally {
        SunToolkit.awtUnlock();
    }
}
 

public void fillParallelogram(SunGraphics2D sg,
                              double ux1, double uy1,
                              double ux2, double uy2,
                              double x, double y,
                              double dx1, double dy1,
                              double dx2, double dy2)
{
    Region clip = sg.getCompClip();
    int abox[] = new int[4];
    AATileGenerator aatg =
        renderengine.getAATileGenerator(x, y, dx1, dy1, dx2, dy2, 0, 0,
                                        clip, abox);
    if (aatg == null) {
        // Nothing to render
        return;
    }

    renderTiles(sg, computeBBox(ux1, uy1, ux2, uy2), aatg, abox);
}
 

public void DrawPolygons(SunGraphics2D sg2d, SurfaceData sData,
                         int xPoints[], int yPoints[],
                         int nPoints[], int numPolys,
                         int transx, int transy,
                         boolean close)
{
    PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d, sData);

    int off = 0;
    Region clip = sg2d.getCompClip();
    for (int i = 0; i < numPolys; i++) {
        int numpts = nPoints[i];
        GeneralRenderer.doDrawPoly(sData, pw,
                                   xPoints, yPoints, off, numpts,
                                   clip, transx, transy, close);
        off += numpts;
    }
}
 

public void fillParallelogram(SunGraphics2D sg,
                              double ux1, double uy1,
                              double ux2, double uy2,
                              double x, double y,
                              double dx1, double dy1,
                              double dx2, double dy2)
{
    Region clip = sg.getCompClip();
    int abox[] = new int[4];
    AATileGenerator aatg =
        renderengine.getAATileGenerator(x, y, dx1, dy1, dx2, dy2, 0, 0,
                                        clip, abox);
    if (aatg == null) {
        // Nothing to render
        return;
    }

    renderTiles(sg, computeBBox(ux1, uy1, ux2, uy2), aatg, abox);
}
 

public void drawLine(SunGraphics2D sg2d, int x1, int y1, int x2, int y2) {
    Region compClip = sg2d.getCompClip();
    int transX1 = Region.clipAdd(x1, sg2d.transX);
    int transY1 = Region.clipAdd(y1, sg2d.transY);
    int transX2 = Region.clipAdd(x2, sg2d.transX);
    int transY2 = Region.clipAdd(y2, sg2d.transY);

    SunToolkit.awtLock();
    try {
        validateSurface(sg2d);
        lineGen.rasterizeLine(rectBuffer, transX1, transY1,
                transX2, transY2, compClip.getLoX(), compClip.getLoY(),
                compClip.getHiX(), compClip.getHiY(), true, true);
        tileManager.fillMask((XRSurfaceData) sg2d.surfaceData);
    } finally {
        SunToolkit.awtUnlock();
    }
}
 

public void fill(SunGraphics2D sg, Shape s) {
    if (s instanceof Rectangle2D &&
        (sg.transform.getType() & NON_RECTILINEAR_TRANSFORM_MASK) == 0)
    {
        renderRect(sg, (Rectangle2D) s);
        return;
    }

    Region clipRegion = sg.getCompClip();
    ShapeSpanIterator sr = LoopPipe.getFillSSI(sg);
    try {
        sr.setOutputArea(clipRegion);
        sr.appendPath(s.getPathIterator(sg.transform));
        renderSpans(sg, clipRegion, s, sr);
    } finally {
        sr.dispose();
    }
}
 

public void DrawPolygons(SunGraphics2D sg2d, SurfaceData sData,
                         int xPoints[], int yPoints[],
                         int nPoints[], int numPolys,
                         int transx, int transy,
                         boolean close)
{
    PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d, sData);

    int off = 0;
    Region clip = sg2d.getCompClip();
    for (int i = 0; i < numPolys; i++) {
        int numpts = nPoints[i];
        GeneralRenderer.doDrawPoly(sData, pw,
                                   xPoints, yPoints, off, numpts,
                                   clip, transx, transy, close);
        off += numpts;
    }
}
 

public void 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)
{
    Region clip = sg.getCompClip();
    int abox[] = new int[4];
    AATileGenerator aatg =
        renderengine.getAATileGenerator(x, y, dx1, dy1, dx2, dy2, lw1, lw2,
                                        clip, abox);
    if (aatg == null) {
        // Nothing to render
        return;
    }

    // Note that bbox is of the original shape, not the wide path.
    // This is appropriate for handing to Paint methods...
    renderTiles(sg, computeBBox(ux1, uy1, ux2, uy2), aatg, abox);
}
 

public void 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)
{
    Region clip = sg.getCompClip();
    int abox[] = new int[4];
    AATileGenerator aatg =
        renderengine.getAATileGenerator(x, y, dx1, dy1, dx2, dy2, lw1, lw2,
                                        clip, abox);
    if (aatg == null) {
        // Nothing to render
        return;
    }

    // Note that bbox is of the original shape, not the wide path.
    // This is appropriate for handing to Paint methods...
    renderTiles(sg, computeBBox(ux1, uy1, ux2, uy2), aatg, abox);
}
 

public void DrawPolygons(SunGraphics2D sg2d, SurfaceData sData,
                         int xPoints[], int yPoints[],
                         int nPoints[], int numPolys,
                         int transx, int transy,
                         boolean close)
{
    PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d, sData);

    int off = 0;
    Region clip = sg2d.getCompClip();
    for (int i = 0; i < numPolys; i++) {
        int numpts = nPoints[i];
        GeneralRenderer.doDrawPoly(sData, pw,
                                   xPoints, yPoints, off, numpts,
                                   clip, transx, transy, close);
        off += numpts;
    }
}
 

public void DrawPolygons(SunGraphics2D sg2d, SurfaceData sData,
                         int xPoints[], int yPoints[],
                         int nPoints[], int numPolys,
                         int transx, int transy,
                         boolean close)
{
    PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d, sData);

    int off = 0;
    Region clip = sg2d.getCompClip();
    for (int i = 0; i < numPolys; i++) {
        int numpts = nPoints[i];
        GeneralRenderer.doDrawPoly(sData, pw,
                                   xPoints, yPoints, off, numpts,
                                   clip, transx, transy, close);
        off += numpts;
    }
}
 

/**
 * This method needs to be called prior to each draw/fillPath()
 * operation to ensure the clip bounds are up to date.
 */
void validate(SunGraphics2D sg2d) {
    Region clip = sg2d.getCompClip();
    setBounds(clip.getLoX(), clip.getLoY(),
              clip.getHiX(), clip.getHiY(), sg2d.strokeHint);
    validateSurface(sg2d);
}
 

/**
 * This method needs to be called prior to each draw/fillPath()
 * operation to ensure the clip bounds are up to date.
 */
void validate(SunGraphics2D sg2d) {
    Region clip = sg2d.getCompClip();
    setBounds(clip.getLoX(), clip.getLoY(),
              clip.getHiX(), clip.getHiY(), sg2d.strokeHint);
    validateSurface(sg2d);
}
 

public boolean copyArea(SunGraphics2D sg2d,
                        int x, int y, int w, int h, int dx, int dy)
{
    CompositeType comptype = sg2d.imageComp;
    if (sg2d.transformState < sg2d.TRANSFORM_TRANSLATESCALE &&
        sg2d.clipState != sg2d.CLIP_SHAPE &&
        (CompositeType.SrcOverNoEa.equals(comptype) ||
         CompositeType.SrcNoEa.equals(comptype)))
    {
        x += sg2d.transX;
        y += sg2d.transY;
        int dstx1 = x + dx;
        int dsty1 = y + dy;
        int dstx2 = dstx1 + w;
        int dsty2 = dsty1 + h;
        Region clip = sg2d.getCompClip();
        if (dstx1 < clip.getLoX()) dstx1 = clip.getLoX();
        if (dsty1 < clip.getLoY()) dsty1 = clip.getLoY();
        if (dstx2 > clip.getHiX()) dstx2 = clip.getHiX();
        if (dsty2 > clip.getHiY()) dsty2 = clip.getHiY();
        if (dstx1 < dstx2 && dsty1 < dsty2) {
            gdiPipe.devCopyArea(this, dstx1 - dx, dsty1 - dy,
                                dx, dy,
                                dstx2 - dstx1, dsty2 - dsty1);
        }
        return true;
    }
    return false;
}
 

/**
 * Returns the Rectangle describing the OpenGL scissor box on the
 * Java 2D surface associated with the given Graphics object.  When a
 * third-party library is performing OpenGL rendering directly
 * into the visible region of the associated surface, this scissor box
 * must be set to avoid drawing over existing rendering results.
 *
 * Note that the x/y values in the returned Rectangle object represent
 * the lower-left corner of the scissor region, relative to the
 * lower-left corner of the given surface.
 *
 * @param g the Graphics object for the corresponding destination surface;
 * cannot be null
 * @return a Rectangle describing the OpenGL scissor box for the given
 * Graphics object and corresponding destination surface, or null if the
 * given Graphics object is invalid or the clip region is non-rectangular
 */
public static Rectangle getOGLScissorBox(Graphics g) {
    if (!(g instanceof SunGraphics2D)) {
        return null;
    }

    SunGraphics2D sg2d = (SunGraphics2D)g;
    SurfaceData sData = (SurfaceData)sg2d.surfaceData;
    Region r = sg2d.getCompClip();
    if (!r.isRectangular()) {
        // caller probably doesn't know how to handle shape clip
        // appropriately, so just return null (Swing currently never
        // sets a shape clip, but that could change in the future)
        return null;
    }

    // this is the upper-left origin of the scissor box relative to the
    // upper-left origin of the surface (in Java 2D coordinates)
    int x0 = r.getLoX();
    int y0 = r.getLoY();

    // this is the width and height of the scissor region
    int w = r.getWidth();
    int h = r.getHeight();

    // this is the lower-left origin of the scissor box relative to the
    // lower-left origin of the surface (in OpenGL coordinates)
    Rectangle surfaceBounds = sData.getBounds();
    int x1 = x0;
    int y1 = surfaceBounds.height - (y0 + h);

    return new Rectangle(x1, y1, w, h);
}
 

protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
    int num = gl.getNumGlyphs();
    Region clipRegion = sg2d.getCompClip();
    int cx1 = clipRegion.getLoX();
    int cy1 = clipRegion.getLoY();
    int cx2 = clipRegion.getHiX();
    int cy2 = clipRegion.getHiY();
    Object ctx = null;
    try {
        int[] bounds = gl.getBounds();
        Rectangle r = new Rectangle(bounds[0], bounds[1],
                                    bounds[2] - bounds[0],
                                    bounds[3] - bounds[1]);
        Shape s = sg2d.untransformShape(r);
        ctx = outpipe.startSequence(sg2d, s, r, bounds);
        for (int i = 0; i < num; i++) {
            gl.setGlyphIndex(i);
            int metrics[] = gl.getMetrics();
            int gx1 = metrics[0];
            int gy1 = metrics[1];
            int w = metrics[2];
            int gx2 = gx1 + w;
            int gy2 = gy1 + metrics[3];
            int off = 0;
            if (gx1 < cx1) {
                off = cx1 - gx1;
                gx1 = cx1;
            }
            if (gy1 < cy1) {
                off += (cy1 - gy1) * w;
                gy1 = cy1;
            }
            if (gx2 > cx2) gx2 = cx2;
            if (gy2 > cy2) gy2 = cy2;
            if (gx2 > gx1 && gy2 > gy1 &&
                outpipe.needTile(ctx, gx1, gy1, gx2 - gx1, gy2 - gy1))
            {
                byte alpha[] = gl.getGrayBits();
                outpipe.renderPathTile(ctx, alpha, off, w,
                                       gx1, gy1, gx2 - gx1, gy2 - gy1);
            } else {
                outpipe.skipTile(ctx, gx1, gy1);
            }
        }
    } finally {
        if (ctx != null) {
            outpipe.endSequence(ctx);
        }
    }
}
 

protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
    int num = gl.getNumGlyphs();
    Region clipRegion = sg2d.getCompClip();
    int cx1 = clipRegion.getLoX();
    int cy1 = clipRegion.getLoY();
    int cx2 = clipRegion.getHiX();
    int cy2 = clipRegion.getHiY();
    Object ctx = null;
    try {
        int[] bounds = gl.getBounds();
        Rectangle r = new Rectangle(bounds[0], bounds[1],
                                    bounds[2] - bounds[0],
                                    bounds[3] - bounds[1]);
        Shape s = sg2d.untransformShape(r);
        ctx = outpipe.startSequence(sg2d, s, r, bounds);
        for (int i = 0; i < num; i++) {
            gl.setGlyphIndex(i);
            int metrics[] = gl.getMetrics();
            int gx1 = metrics[0];
            int gy1 = metrics[1];
            int w = metrics[2];
            int gx2 = gx1 + w;
            int gy2 = gy1 + metrics[3];
            int off = 0;
            if (gx1 < cx1) {
                off = cx1 - gx1;
                gx1 = cx1;
            }
            if (gy1 < cy1) {
                off += (cy1 - gy1) * w;
                gy1 = cy1;
            }
            if (gx2 > cx2) gx2 = cx2;
            if (gy2 > cy2) gy2 = cy2;
            if (gx2 > gx1 && gy2 > gy1 &&
                outpipe.needTile(ctx, gx1, gy1, gx2 - gx1, gy2 - gy1))
            {
                byte alpha[] = gl.getGrayBits();
                outpipe.renderPathTile(ctx, alpha, off, w,
                                       gx1, gy1, gx2 - gx1, gy2 - gy1);
            } else {
                outpipe.skipTile(ctx, gx1, gy1);
            }
        }
    } finally {
        if (ctx != null) {
            outpipe.endSequence(ctx);
        }
    }
}
 

public void fill(SunGraphics2D sg2d, Shape s) {
    int transx, transy;

    if (sg2d.strokeState == SunGraphics2D.STROKE_THIN) {
        // Here we are able to use fillPath() for
        // high-quality fills.
        Path2D.Float p2df;
        if (sg2d.transformState <= SunGraphics2D.TRANSFORM_INT_TRANSLATE) {
            if (s instanceof Path2D.Float) {
                p2df = (Path2D.Float)s;
            } else {
                p2df = new Path2D.Float(s);
            }
            transx = sg2d.transX;
            transy = sg2d.transY;
        } else {
            p2df = new Path2D.Float(s, sg2d.transform);
            transx = 0;
            transy = 0;
        }
        fillPath(sg2d, p2df, transx, transy);
        return;
    }

    AffineTransform at;
    if (sg2d.transformState <= SunGraphics2D.TRANSFORM_INT_TRANSLATE) {
        // Transform (translation) will be done by FillSpans (we could
        // delegate to fillPolygon() here, but most hardware accelerated
        // libraries cannot handle non-convex polygons, so we will use
        // the FillSpans approach by default)
        at = null;
        transx = sg2d.transX;
        transy = sg2d.transY;
    } else {
        // Transform will be done by the PathIterator
        at = sg2d.transform;
        transx = transy = 0;
    }

    ShapeSpanIterator ssi = LoopPipe.getFillSSI(sg2d);
    try {
        // Subtract transx/y from the SSI clip to match the
        // (potentially untranslated) geometry fed to it
        Region clip = sg2d.getCompClip();
        ssi.setOutputAreaXYXY(clip.getLoX() - transx,
                              clip.getLoY() - transy,
                              clip.getHiX() - transx,
                              clip.getHiY() - transy);
        ssi.appendPath(s.getPathIterator(at));
        fillSpans(sg2d, ssi, transx, transy);
    } finally {
        ssi.dispose();
    }
}
 

protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
    int num = gl.getNumGlyphs();
    Region clipRegion = sg2d.getCompClip();
    int cx1 = clipRegion.getLoX();
    int cy1 = clipRegion.getLoY();
    int cx2 = clipRegion.getHiX();
    int cy2 = clipRegion.getHiY();
    Object ctx = null;
    try {
        int[] bounds = gl.getBounds();
        Rectangle r = new Rectangle(bounds[0], bounds[1],
                                    bounds[2] - bounds[0],
                                    bounds[3] - bounds[1]);
        Shape s = sg2d.untransformShape(r);
        ctx = outpipe.startSequence(sg2d, s, r, bounds);
        for (int i = 0; i < num; i++) {
            gl.setGlyphIndex(i);
            int[] metrics = gl.getMetrics();
            int gx1 = metrics[0];
            int gy1 = metrics[1];
            int w = metrics[2];
            int gx2 = gx1 + w;
            int gy2 = gy1 + metrics[3];
            int off = 0;
            if (gx1 < cx1) {
                off = cx1 - gx1;
                gx1 = cx1;
            }
            if (gy1 < cy1) {
                off += (cy1 - gy1) * w;
                gy1 = cy1;
            }
            if (gx2 > cx2) gx2 = cx2;
            if (gy2 > cy2) gy2 = cy2;
            if (gx2 > gx1 && gy2 > gy1 &&
                outpipe.needTile(ctx, gx1, gy1, gx2 - gx1, gy2 - gy1))
            {
                byte[] alpha = gl.getGrayBits();
                outpipe.renderPathTile(ctx, alpha, off, w,
                                       gx1, gy1, gx2 - gx1, gy2 - gy1);
            } else {
                outpipe.skipTile(ctx, gx1, gy1);
            }
        }
    } finally {
        if (ctx != null) {
            outpipe.endSequence(ctx);
        }
    }
}
 

public void fill(SunGraphics2D sg2d, Shape s) {
    int transx, transy;

    if (sg2d.strokeState == SunGraphics2D.STROKE_THIN) {
        // Here we are able to use fillPath() for
        // high-quality fills.
        Path2D.Float p2df;
        if (sg2d.transformState <= SunGraphics2D.TRANSFORM_INT_TRANSLATE) {
            if (s instanceof Path2D.Float) {
                p2df = (Path2D.Float)s;
            } else {
                p2df = new Path2D.Float(s);
            }
            transx = sg2d.transX;
            transy = sg2d.transY;
        } else {
            p2df = new Path2D.Float(s, sg2d.transform);
            transx = 0;
            transy = 0;
        }
        fillPath(sg2d, p2df, transx, transy);
        return;
    }

    AffineTransform at;
    if (sg2d.transformState <= SunGraphics2D.TRANSFORM_INT_TRANSLATE) {
        // Transform (translation) will be done by FillSpans (we could
        // delegate to fillPolygon() here, but most hardware accelerated
        // libraries cannot handle non-convex polygons, so we will use
        // the FillSpans approach by default)
        at = null;
        transx = sg2d.transX;
        transy = sg2d.transY;
    } else {
        // Transform will be done by the PathIterator
        at = sg2d.transform;
        transx = transy = 0;
    }

    ShapeSpanIterator ssi = LoopPipe.getFillSSI(sg2d);
    try {
        // Subtract transx/y from the SSI clip to match the
        // (potentially untranslated) geometry fed to it
        Region clip = sg2d.getCompClip();
        ssi.setOutputAreaXYXY(clip.getLoX() - transx,
                              clip.getLoY() - transy,
                              clip.getHiX() - transx,
                              clip.getHiY() - transy);
        ssi.appendPath(s.getPathIterator(at));
        fillSpans(sg2d, ssi, transx, transy);
    } finally {
        ssi.dispose();
    }
}