Java example source code file (X11Renderer.java)
The X11Renderer.java Java example source code/*
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* under the terms of the GNU General Public License version 2 only, as
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* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package sun.java2d.x11;
import java.awt.Polygon;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.PathIterator;
import java.awt.geom.Path2D;
import java.awt.geom.IllegalPathStateException;
import sun.awt.SunToolkit;
import sun.java2d.SunGraphics2D;
import sun.java2d.SurfaceData;
import sun.java2d.loops.GraphicsPrimitive;
import sun.java2d.pipe.Region;
import sun.java2d.pipe.PixelDrawPipe;
import sun.java2d.pipe.PixelFillPipe;
import sun.java2d.pipe.ShapeDrawPipe;
import sun.java2d.pipe.SpanIterator;
import sun.java2d.pipe.ShapeSpanIterator;
import sun.java2d.pipe.LoopPipe;
public class X11Renderer implements
PixelDrawPipe,
PixelFillPipe,
ShapeDrawPipe
{
public static X11Renderer getInstance() {
return (GraphicsPrimitive.tracingEnabled()
? new X11TracingRenderer()
: new X11Renderer());
}
private final long validate(SunGraphics2D sg2d) {
// NOTE: getCompClip() will revalidateAll() if the
// surfaceData is invalid. This should ensure that
// the clip and pixel that we are validating against
// are the most current.
//
// The assumption is that the pipeline after that
// revalidation will either be another X11 pipe
// (because the drawable format never changes on X11)
// or a null pipeline if the surface is disposed.
//
// Since we do not get the ops structure of the SurfaceData
// until the actual call down to the native level we will
// pick up the most recently validated copy.
// Note that if the surface is disposed, a NullSurfaceData
// (with null native data structure) will be set in
// sg2d, so we have to protect against it in native code.
X11SurfaceData x11sd = (X11SurfaceData)sg2d.surfaceData;
return x11sd.getRenderGC(sg2d.getCompClip(),
sg2d.compositeState, sg2d.composite,
sg2d.pixel);
}
native void XDrawLine(long pXSData, long xgc,
int x1, int y1, int x2, int y2);
public void drawLine(SunGraphics2D sg2d, int x1, int y1, int x2, int y2) {
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
int transx = sg2d.transX;
int transy = sg2d.transY;
XDrawLine(sg2d.surfaceData.getNativeOps(), xgc,
x1+transx, y1+transy, x2+transx, y2+transy);
} finally {
SunToolkit.awtUnlock();
}
}
native void XDrawRect(long pXSData, long xgc,
int x, int y, int w, int h);
public void drawRect(SunGraphics2D sg2d,
int x, int y, int width, int height)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XDrawRect(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height);
} finally {
SunToolkit.awtUnlock();
}
}
native void XDrawRoundRect(long pXSData, long xgc,
int x, int y, int w, int h,
int arcW, int arcH);
public void drawRoundRect(SunGraphics2D sg2d,
int x, int y, int width, int height,
int arcWidth, int arcHeight)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XDrawRoundRect(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height,
arcWidth, arcHeight);
} finally {
SunToolkit.awtUnlock();
}
}
native void XDrawOval(long pXSData, long xgc,
int x, int y, int w, int h);
public void drawOval(SunGraphics2D sg2d,
int x, int y, int width, int height)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XDrawOval(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height);
} finally {
SunToolkit.awtUnlock();
}
}
native void XDrawArc(long pXSData, long xgc,
int x, int y, int w, int h,
int angleStart, int angleExtent);
public void drawArc(SunGraphics2D sg2d,
int x, int y, int width, int height,
int startAngle, int arcAngle)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XDrawArc(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height,
startAngle, arcAngle);
} finally {
SunToolkit.awtUnlock();
}
}
native void XDrawPoly(long pXSData, long xgc,
int transx, int transy,
int[] xpoints, int[] ypoints,
int npoints, boolean isclosed);
public void drawPolyline(SunGraphics2D sg2d,
int xpoints[], int ypoints[],
int npoints)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XDrawPoly(sg2d.surfaceData.getNativeOps(), xgc,
sg2d.transX, sg2d.transY,
xpoints, ypoints, npoints, false);
} finally {
SunToolkit.awtUnlock();
}
}
public void drawPolygon(SunGraphics2D sg2d,
int xpoints[], int ypoints[],
int npoints)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XDrawPoly(sg2d.surfaceData.getNativeOps(), xgc,
sg2d.transX, sg2d.transY,
xpoints, ypoints, npoints, true);
} finally {
SunToolkit.awtUnlock();
}
}
native void XFillRect(long pXSData, long xgc,
int x, int y, int w, int h);
public void fillRect(SunGraphics2D sg2d,
int x, int y, int width, int height)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XFillRect(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height);
} finally {
SunToolkit.awtUnlock();
}
}
native void XFillRoundRect(long pXSData, long xgc,
int x, int y, int w, int h,
int arcW, int arcH);
public void fillRoundRect(SunGraphics2D sg2d,
int x, int y, int width, int height,
int arcWidth, int arcHeight)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XFillRoundRect(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height,
arcWidth, arcHeight);
} finally {
SunToolkit.awtUnlock();
}
}
native void XFillOval(long pXSData, long xgc,
int x, int y, int w, int h);
public void fillOval(SunGraphics2D sg2d,
int x, int y, int width, int height)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XFillOval(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height);
} finally {
SunToolkit.awtUnlock();
}
}
native void XFillArc(long pXSData, long xgc,
int x, int y, int w, int h,
int angleStart, int angleExtent);
public void fillArc(SunGraphics2D sg2d,
int x, int y, int width, int height,
int startAngle, int arcAngle)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XFillArc(sg2d.surfaceData.getNativeOps(), xgc,
x+sg2d.transX, y+sg2d.transY, width, height,
startAngle, arcAngle);
} finally {
SunToolkit.awtUnlock();
}
}
native void XFillPoly(long pXSData, long xgc,
int transx, int transy,
int[] xpoints, int[] ypoints,
int npoints);
public void fillPolygon(SunGraphics2D sg2d,
int xpoints[], int ypoints[],
int npoints)
{
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XFillPoly(sg2d.surfaceData.getNativeOps(), xgc,
sg2d.transX, sg2d.transY, xpoints, ypoints, npoints);
} finally {
SunToolkit.awtUnlock();
}
}
native void XFillSpans(long pXSData, long xgc,
SpanIterator si, long iterator,
int transx, int transy);
native void XDoPath(SunGraphics2D sg2d, long pXSData, long xgc,
int transX, int transY, Path2D.Float p2df,
boolean isFill);
private void doPath(SunGraphics2D sg2d, Shape s, boolean isFill) {
Path2D.Float p2df;
int transx, transy;
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;
}
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XDoPath(sg2d, sg2d.surfaceData.getNativeOps(), xgc,
transx, transy, p2df, isFill);
} finally {
SunToolkit.awtUnlock();
}
}
public void draw(SunGraphics2D sg2d, Shape s) {
if (sg2d.strokeState == SunGraphics2D.STROKE_THIN) {
// Delegate to drawPolygon() if possible...
if (s instanceof Polygon &&
sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE)
{
Polygon p = (Polygon) s;
drawPolygon(sg2d, p.xpoints, p.ypoints, p.npoints);
return;
}
// Otherwise we will use drawPath() for
// high-quality thin paths.
doPath(sg2d, s, false);
} else if (sg2d.strokeState < SunGraphics2D.STROKE_CUSTOM) {
// REMIND: X11 can handle uniform scaled wide lines
// and dashed lines itself if we set the appropriate
// XGC attributes (TBD).
ShapeSpanIterator si = LoopPipe.getStrokeSpans(sg2d, s);
try {
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XFillSpans(sg2d.surfaceData.getNativeOps(), xgc,
si, si.getNativeIterator(),
0, 0);
} finally {
SunToolkit.awtUnlock();
}
} finally {
si.dispose();
}
} else {
fill(sg2d, sg2d.stroke.createStrokedShape(s));
}
}
public void fill(SunGraphics2D sg2d, Shape s) {
if (sg2d.strokeState == SunGraphics2D.STROKE_THIN) {
// Delegate to fillPolygon() if possible...
if (s instanceof Polygon &&
sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE)
{
Polygon p = (Polygon) s;
fillPolygon(sg2d, p.xpoints, p.ypoints, p.npoints);
return;
}
// Otherwise we will use fillPath() for
// high-quality fills.
doPath(sg2d, s, true);
return;
}
AffineTransform at;
int transx, transy;
if (sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE) {
// Transform (translation) will be done by XFillSpans
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));
SunToolkit.awtLock();
try {
long xgc = validate(sg2d);
XFillSpans(sg2d.surfaceData.getNativeOps(), xgc,
ssi, ssi.getNativeIterator(),
transx, transy);
} finally {
SunToolkit.awtUnlock();
}
} finally {
ssi.dispose();
}
}
native void devCopyArea(long sdOps, long xgc,
int srcx, int srcy,
int dstx, int dsty,
int w, int h);
public static class X11TracingRenderer extends X11Renderer {
void XDrawLine(long pXSData, long xgc,
int x1, int y1, int x2, int y2)
{
GraphicsPrimitive.tracePrimitive("X11DrawLine");
super.XDrawLine(pXSData, xgc, x1, y1, x2, y2);
}
void XDrawRect(long pXSData, long xgc,
int x, int y, int w, int h)
{
GraphicsPrimitive.tracePrimitive("X11DrawRect");
super.XDrawRect(pXSData, xgc, x, y, w, h);
}
void XDrawRoundRect(long pXSData, long xgc,
int x, int y, int w, int h,
int arcW, int arcH)
{
GraphicsPrimitive.tracePrimitive("X11DrawRoundRect");
super.XDrawRoundRect(pXSData, xgc, x, y, w, h, arcW, arcH);
}
void XDrawOval(long pXSData, long xgc,
int x, int y, int w, int h)
{
GraphicsPrimitive.tracePrimitive("X11DrawOval");
super.XDrawOval(pXSData, xgc, x, y, w, h);
}
void XDrawArc(long pXSData, long xgc,
int x, int y, int w, int h,
int angleStart, int angleExtent)
{
GraphicsPrimitive.tracePrimitive("X11DrawArc");
super.XDrawArc(pXSData, xgc,
x, y, w, h, angleStart, angleExtent);
}
void XDrawPoly(long pXSData, long xgc,
int transx, int transy,
int[] xpoints, int[] ypoints,
int npoints, boolean isclosed)
{
GraphicsPrimitive.tracePrimitive("X11DrawPoly");
super.XDrawPoly(pXSData, xgc, transx, transy,
xpoints, ypoints, npoints, isclosed);
}
void XDoPath(SunGraphics2D sg2d, long pXSData, long xgc,
int transX, int transY, Path2D.Float p2df,
boolean isFill)
{
GraphicsPrimitive.tracePrimitive(isFill ?
"X11FillPath" :
"X11DrawPath");
super.XDoPath(sg2d, pXSData, xgc, transX, transY, p2df, isFill);
}
void XFillRect(long pXSData, long xgc,
int x, int y, int w, int h)
{
GraphicsPrimitive.tracePrimitive("X11FillRect");
super.XFillRect(pXSData, xgc, x, y, w, h);
}
void XFillRoundRect(long pXSData, long xgc,
int x, int y, int w, int h,
int arcW, int arcH)
{
GraphicsPrimitive.tracePrimitive("X11FillRoundRect");
super.XFillRoundRect(pXSData, xgc, x, y, w, h, arcW, arcH);
}
void XFillOval(long pXSData, long xgc,
int x, int y, int w, int h)
{
GraphicsPrimitive.tracePrimitive("X11FillOval");
super.XFillOval(pXSData, xgc, x, y, w, h);
}
void XFillArc(long pXSData, long xgc,
int x, int y, int w, int h,
int angleStart, int angleExtent)
{
GraphicsPrimitive.tracePrimitive("X11FillArc");
super.XFillArc(pXSData, xgc,
x, y, w, h, angleStart, angleExtent);
}
void XFillPoly(long pXSData, long xgc,
int transx, int transy,
int[] xpoints, int[] ypoints,
int npoints)
{
GraphicsPrimitive.tracePrimitive("X11FillPoly");
super.XFillPoly(pXSData, xgc,
transx, transy, xpoints, ypoints, npoints);
}
void XFillSpans(long pXSData, long xgc,
SpanIterator si, long iterator, int transx, int transy)
{
GraphicsPrimitive.tracePrimitive("X11FillSpans");
super.XFillSpans(pXSData, xgc,
si, iterator, transx, transy);
}
void devCopyArea(long sdOps, long xgc,
int srcx, int srcy,
int dstx, int dsty,
int w, int h)
{
GraphicsPrimitive.tracePrimitive("X11CopyArea");
super.devCopyArea(sdOps, xgc, srcx, srcy, dstx, dsty, w, h);
}
}
}
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