private String checkRenderer() {
try {
String renderer = sun.java2d.pipe.RenderingEngine.getInstance().getClass().getName();
return renderer;
} catch (Throwable e) {
return "Unknown";
}
}
public class LoopPipe implements PixelDrawPipe, PixelFillPipe, ShapeDrawPipe, LoopBasedPipe {
static final RenderingEngine RenderEngine = RenderingEngine.getInstance();
public void drawLine(SunGraphics2D sg2d, int x1, int y1, int x2, int y2) {
int tX = sg2d.transX;
int tY = sg2d.transY;
sg2d.loops.drawLineLoop.DrawLine(
sg2d, sg2d.getSurfaceData(), x1 + tX, y1 + tY, x2 + tX, y2 + tY);
}
public void drawRect(SunGraphics2D sg2d, int x, int y, int width, int height) {
sg2d.loops.drawRectLoop.DrawRect(
sg2d, sg2d.getSurfaceData(), x + sg2d.transX, y + sg2d.transY, width, height);
}
public void drawRoundRect(
SunGraphics2D sg2d, int x, int y, int width, int height, int arcWidth, int arcHeight) {
sg2d.shapepipe.draw(sg2d, new RoundRectangle2D.Float(x, y, width, height, arcWidth, arcHeight));
}
public void drawOval(SunGraphics2D sg2d, int x, int y, int width, int height) {
sg2d.shapepipe.draw(sg2d, new Ellipse2D.Float(x, y, width, height));
}
public void drawArc(
SunGraphics2D sg2d, int x, int y, int width, int height, int startAngle, int arcAngle) {
sg2d.shapepipe.draw(
sg2d, new Arc2D.Float(x, y, width, height, startAngle, arcAngle, Arc2D.OPEN));
}
public void drawPolyline(SunGraphics2D sg2d, int xPoints[], int yPoints[], int nPoints) {
int nPointsArray[] = {nPoints};
sg2d.loops.drawPolygonsLoop.DrawPolygons(
sg2d,
sg2d.getSurfaceData(),
xPoints,
yPoints,
nPointsArray,
1,
sg2d.transX,
sg2d.transY,
false);
}
public void drawPolygon(SunGraphics2D sg2d, int xPoints[], int yPoints[], int nPoints) {
int nPointsArray[] = {nPoints};
sg2d.loops.drawPolygonsLoop.DrawPolygons(
sg2d,
sg2d.getSurfaceData(),
xPoints,
yPoints,
nPointsArray,
1,
sg2d.transX,
sg2d.transY,
true);
}
public void fillRect(SunGraphics2D sg2d, int x, int y, int width, int height) {
sg2d.loops.fillRectLoop.FillRect(
sg2d, sg2d.getSurfaceData(), x + sg2d.transX, y + sg2d.transY, width, height);
}
public void fillRoundRect(
SunGraphics2D sg2d, int x, int y, int width, int height, int arcWidth, int arcHeight) {
sg2d.shapepipe.fill(sg2d, new RoundRectangle2D.Float(x, y, width, height, arcWidth, arcHeight));
}
public void fillOval(SunGraphics2D sg2d, int x, int y, int width, int height) {
sg2d.shapepipe.fill(sg2d, new Ellipse2D.Float(x, y, width, height));
}
public void fillArc(
SunGraphics2D sg2d, int x, int y, int width, int height, int startAngle, int arcAngle) {
sg2d.shapepipe.fill(
sg2d, new Arc2D.Float(x, y, width, height, startAngle, arcAngle, Arc2D.PIE));
}
public void fillPolygon(SunGraphics2D sg2d, int xPoints[], int yPoints[], int nPoints) {
ShapeSpanIterator sr = getFillSSI(sg2d);
try {
sr.setOutputArea(sg2d.getCompClip());
sr.appendPoly(xPoints, yPoints, nPoints, sg2d.transX, sg2d.transY);
fillSpans(sg2d, sr);
} finally {
sr.dispose();
}
}
public void draw(SunGraphics2D sg2d, Shape s) {
if (sg2d.strokeState == sg2d.STROKE_THIN) {
Path2D.Float p2df;
int transX;
int transY;
if (sg2d.transformState <= sg2d.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;
}
sg2d.loops.drawPathLoop.DrawPath(sg2d, sg2d.getSurfaceData(), transX, transY, p2df);
return;
}
if (sg2d.strokeState == sg2d.STROKE_CUSTOM) {
fill(sg2d, sg2d.stroke.createStrokedShape(s));
return;
}
ShapeSpanIterator sr = getStrokeSpans(sg2d, s);
try {
fillSpans(sg2d, sr);
} finally {
sr.dispose();
}
}
/**
* Return a ShapeSpanIterator instance that normalizes as appropriate for a fill operation as per
* the settings in the specified SunGraphics2D object.
*
* <p>The ShapeSpanIterator will be newly constructed and ready to start taking in geometry.
*
* <p>Note that the caller is responsible for calling dispose() on the returned ShapeSpanIterator
* inside a try/finally block:
*
* <pre>
* ShapeSpanIterator ssi = LoopPipe.getFillSSI(sg2d);
* try {
* ssi.setOutputArea(clip);
* ssi.appendPath(...); // or appendPoly
* // iterate the spans from ssi and operate on them
* } finally {
* ssi.dispose();
* }
* </pre>
*/
public static ShapeSpanIterator getFillSSI(SunGraphics2D sg2d) {
boolean adjust =
((sg2d.stroke instanceof BasicStroke) && sg2d.strokeHint != SunHints.INTVAL_STROKE_PURE);
return new ShapeSpanIterator(adjust);
}
/*
* Return a ShapeSpanIterator ready to iterate the spans of the wide
* outline of Shape s using the attributes of the SunGraphics2D
* object.
*
* The ShapeSpanIterator returned will be fully constructed
* and filled with the geometry from the Shape widened by the
* appropriate BasicStroke and normalization parameters taken
* from the SunGraphics2D object and be ready to start returning
* spans.
*
* Note that the caller is responsible for calling dispose()
* on the returned ShapeSpanIterator inside a try/finally block.
* <pre>
* ShapeSpanIterator ssi = LoopPipe.getStrokeSpans(sg2d, s);
* try {
* // iterate the spans from ssi and operate on them
* } finally {
* ssi.dispose();
* }
* </pre>
*
* REMIND: This should return a SpanIterator interface object
* but the caller needs to dispose() the object and that method
* is only on ShapeSpanIterator.
* TODO: Add a dispose() method to the SpanIterator interface.
*/
public static ShapeSpanIterator getStrokeSpans(SunGraphics2D sg2d, Shape s) {
ShapeSpanIterator sr = new ShapeSpanIterator(false);
try {
sr.setOutputArea(sg2d.getCompClip());
sr.setRule(PathIterator.WIND_NON_ZERO);
BasicStroke bs = (BasicStroke) sg2d.stroke;
boolean thin = (sg2d.strokeState <= sg2d.STROKE_THINDASHED);
boolean normalize = (sg2d.strokeHint != SunHints.INTVAL_STROKE_PURE);
RenderEngine.strokeTo(s, sg2d.transform, bs, thin, normalize, false, sr);
} catch (Throwable t) {
sr.dispose();
sr = null;
t.printStackTrace();
throw new InternalError("Unable to Stroke shape (" + t.getMessage() + ")");
}
return sr;
}
public void fill(SunGraphics2D sg2d, Shape s) {
if (sg2d.strokeState == sg2d.STROKE_THIN) {
Path2D.Float p2df;
int transX;
int transY;
if (sg2d.transformState <= sg2d.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;
}
sg2d.loops.fillPathLoop.FillPath(sg2d, sg2d.getSurfaceData(), transX, transY, p2df);
return;
}
ShapeSpanIterator sr = getFillSSI(sg2d);
try {
sr.setOutputArea(sg2d.getCompClip());
AffineTransform at =
((sg2d.transformState == sg2d.TRANSFORM_ISIDENT) ? null : sg2d.transform);
sr.appendPath(s.getPathIterator(at));
fillSpans(sg2d, sr);
} finally {
sr.dispose();
}
}
private static void fillSpans(SunGraphics2D sg2d, SpanIterator si) {
// REMIND: Eventually, the plan is that it will not be possible for
// fs to be null since the FillSpans loop will be the fundamental
// loop implemented for any destination type...
if (sg2d.clipState == sg2d.CLIP_SHAPE) {
si = sg2d.clipRegion.filter(si);
// REMIND: Region.filter produces a Java-only iterator
// with no native counterpart...
} else {
sun.java2d.loops.FillSpans fs = sg2d.loops.fillSpansLoop;
if (fs != null) {
fs.FillSpans(sg2d, sg2d.getSurfaceData(), si);
return;
}
}
int spanbox[] = new int[4];
SurfaceData sd = sg2d.getSurfaceData();
while (si.nextSpan(spanbox)) {
int x = spanbox[0];
int y = spanbox[1];
int w = spanbox[2] - x;
int h = spanbox[3] - y;
sg2d.loops.fillRectLoop.FillRect(sg2d, sd, x, y, w, h);
}
}
}
