Java example source code file (XRSurfaceData.java)
The XRSurfaceData.java Java example source code/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
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*
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package sun.java2d.xr;
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import sun.awt.*;
import sun.java2d.InvalidPipeException;
import sun.java2d.SunGraphics2D;
import sun.java2d.SurfaceData;
import sun.java2d.SurfaceDataProxy;
import sun.java2d.jules.*;
import sun.java2d.loops.*;
import sun.java2d.pipe.*;
import sun.java2d.x11.*;
import sun.font.FontManagerNativeLibrary;
public abstract class XRSurfaceData extends XSurfaceData {
X11ComponentPeer peer;
XRGraphicsConfig graphicsConfig;
XRBackend renderQueue;
private RenderLoops solidloops;
protected int depth;
private static native void initIDs();
protected native void XRInitSurface(int depth, int width, int height,
long drawable, int pictFormat);
native void initXRPicture(long xsdo, int pictForm);
native void freeXSDOPicture(long xsdo);
public static final String DESC_BYTE_A8_X11 = "Byte A8 Pixmap";
public static final String DESC_INT_RGB_X11 = "Integer RGB Pixmap";
public static final String DESC_INT_ARGB_X11 = "Integer ARGB-Pre Pixmap";
public static final SurfaceType
ByteA8X11 = SurfaceType.ByteGray.deriveSubType(DESC_BYTE_A8_X11);
public static final SurfaceType
IntRgbX11 = SurfaceType.IntRgb.deriveSubType(DESC_INT_RGB_X11);
public static final SurfaceType
IntArgbPreX11 = SurfaceType.IntArgbPre.deriveSubType(DESC_INT_ARGB_X11);
public Raster getRaster(int x, int y, int w, int h) {
throw new InternalError("not implemented yet");
}
protected XRRenderer xrpipe;
protected PixelToShapeConverter xrtxpipe;
protected TextPipe xrtextpipe;
protected XRDrawImage xrDrawImage;
protected ShapeDrawPipe aaShapePipe;
protected PixelToShapeConverter aaPixelToShapeConv;
public static void initXRSurfaceData() {
if (!isX11SurfaceDataInitialized()) {
FontManagerNativeLibrary.load();
initIDs();
XRPMBlitLoops.register();
XRMaskFill.register();
XRMaskBlit.register();
setX11SurfaceDataInitialized();
}
}
/**
* Synchronized accessor method for isDrawableValid.
*/
protected boolean isXRDrawableValid() {
try {
SunToolkit.awtLock();
return isDrawableValid();
} finally {
SunToolkit.awtUnlock();
}
}
@Override
public SurfaceDataProxy makeProxyFor(SurfaceData srcData) {
return XRSurfaceDataProxy.createProxy(srcData, graphicsConfig);
}
@Override
public void validatePipe(SunGraphics2D sg2d) {
TextPipe textpipe;
boolean validated = false;
/*
* The textpipe for now can't handle TexturePaint when extra-alpha is
* specified nore XOR mode
*/
if ((textpipe = getTextPipe(sg2d)) == null)
{
super.validatePipe(sg2d);
textpipe = sg2d.textpipe;
validated = true;
}
PixelToShapeConverter txPipe = null;
XRRenderer nonTxPipe = null;
/*
* TODO: Can we rely on the GC for ARGB32 surfaces?
*/
if (sg2d.antialiasHint != SunHints.INTVAL_ANTIALIAS_ON) {
if (sg2d.paintState <= SunGraphics2D.PAINT_ALPHACOLOR) {
if (sg2d.compositeState <= SunGraphics2D.COMP_XOR) {
txPipe = xrtxpipe;
nonTxPipe = xrpipe;
}
} else if (sg2d.compositeState <= SunGraphics2D.COMP_ALPHA) {
if (XRPaints.isValid(sg2d)) {
txPipe = xrtxpipe;
nonTxPipe = xrpipe;
}
// custom paints handled by super.validatePipe() below
}
}
if (sg2d.antialiasHint == SunHints.INTVAL_ANTIALIAS_ON &&
JulesPathBuf.isCairoAvailable())
{
sg2d.shapepipe = aaShapePipe;
sg2d.drawpipe = aaPixelToShapeConv;
sg2d.fillpipe = aaPixelToShapeConv;
} else {
if (txPipe != null) {
if (sg2d.transformState >= SunGraphics2D.TRANSFORM_TRANSLATESCALE) {
sg2d.drawpipe = txPipe;
sg2d.fillpipe = txPipe;
} else if (sg2d.strokeState != SunGraphics2D.STROKE_THIN) {
sg2d.drawpipe = txPipe;
sg2d.fillpipe = nonTxPipe;
} else {
sg2d.drawpipe = nonTxPipe;
sg2d.fillpipe = nonTxPipe;
}
sg2d.shapepipe = nonTxPipe;
} else {
if (!validated) {
super.validatePipe(sg2d);
}
}
}
// install the text pipe based on our earlier decision
sg2d.textpipe = textpipe;
// always override the image pipe with the specialized XRender pipe
sg2d.imagepipe = xrDrawImage;
}
protected TextPipe getTextPipe(SunGraphics2D sg2d) {
boolean supportedPaint = sg2d.compositeState <= SunGraphics2D.COMP_ALPHA
&& (sg2d.paintState <= SunGraphics2D.PAINT_ALPHACOLOR || sg2d.composite == null);
boolean supportedCompOp = false;
if (sg2d.composite instanceof AlphaComposite) {
int compRule = ((AlphaComposite) sg2d.composite).getRule();
supportedCompOp = XRUtils.isMaskEvaluated(XRUtils.j2dAlphaCompToXR(compRule))
|| (compRule == AlphaComposite.SRC
&& sg2d.paintState <= SunGraphics2D.PAINT_ALPHACOLOR);
}
return (supportedPaint && supportedCompOp) ? xrtextpipe : null;
}
protected MaskFill getMaskFill(SunGraphics2D sg2d) {
AlphaComposite aComp = null;
if(sg2d.composite != null
&& sg2d.composite instanceof AlphaComposite) {
aComp = (AlphaComposite) sg2d.composite;
}
boolean supportedPaint = sg2d.paintState <= SunGraphics2D.PAINT_ALPHACOLOR
|| XRPaints.isValid(sg2d);
boolean supportedCompOp = false;
if(aComp != null) {
int rule = aComp.getRule();
supportedCompOp = XRUtils.isMaskEvaluated(XRUtils.j2dAlphaCompToXR(rule));
}
return (supportedPaint && supportedCompOp) ? super.getMaskFill(sg2d) : null;
}
public RenderLoops getRenderLoops(SunGraphics2D sg2d) {
if (sg2d.paintState <= SunGraphics2D.PAINT_ALPHACOLOR &&
sg2d.compositeState <= SunGraphics2D.COMP_ALPHA)
{
return solidloops;
}
return super.getRenderLoops(sg2d);
}
public GraphicsConfiguration getDeviceConfiguration() {
return graphicsConfig;
}
/**
* Method for instantiating a Window SurfaceData
*/
public static XRWindowSurfaceData createData(X11ComponentPeer peer) {
XRGraphicsConfig gc = getGC(peer);
return new XRWindowSurfaceData(peer, gc, gc.getSurfaceType());
}
/**
* Method for instantiating a Pixmap SurfaceData (offscreen).
* If the surface * is opaque a 24-bit/RGB surface is chosen,
* otherwise a 32-bit ARGB surface.
*/
public static XRPixmapSurfaceData createData(XRGraphicsConfig gc,
int width, int height,
ColorModel cm, Image image,
long drawable,
int transparency) {
int depth;
// If we have a 32 bit color model for the window it needs
// alpha to support translucency of the window so we need
// to upgrade what was requested for the surface.
if (gc.getColorModel().getPixelSize() == 32) {
depth = 32;
transparency = Transparency.TRANSLUCENT;
} else {
depth = transparency > Transparency.OPAQUE ? 32 : 24;
}
if (depth == 24) {
cm = new DirectColorModel(depth,
0x00FF0000, 0x0000FF00, 0x000000FF);
} else {
cm = new DirectColorModel(depth, 0x00FF0000, 0x0000FF00,
0x000000FF, 0xFF000000);
}
return new XRPixmapSurfaceData
(gc, width, height, image, getSurfaceType(gc, transparency),
cm, drawable, transparency,
XRUtils.getPictureFormatForTransparency(transparency), depth);
}
protected XRSurfaceData(X11ComponentPeer peer, XRGraphicsConfig gc,
SurfaceType sType, ColorModel cm, int depth, int transparency)
{
super(sType, cm);
this.peer = peer;
this.graphicsConfig = gc;
this.solidloops = graphicsConfig.getSolidLoops(sType);
this.depth = depth;
initOps(peer, graphicsConfig, depth);
setBlitProxyKey(gc.getProxyKey());
}
protected XRSurfaceData(XRBackend renderQueue) {
super(XRSurfaceData.IntRgbX11,
new DirectColorModel(24, 0x00FF0000, 0x0000FF00, 0x000000FF));
this.renderQueue = renderQueue;
}
/**
* Inits the XRender-data-structures which belong to the XRSurfaceData.
*
* @param pictureFormat
*/
public void initXRender(int pictureFormat) {
try {
SunToolkit.awtLock();
initXRPicture(getNativeOps(), pictureFormat);
renderQueue = XRCompositeManager.getInstance(this).getBackend();
maskBuffer = XRCompositeManager.getInstance(this);
} catch (Throwable ex) {
ex.printStackTrace();
} finally {
SunToolkit.awtUnlock();
}
}
public static XRGraphicsConfig getGC(X11ComponentPeer peer) {
if (peer != null) {
return (XRGraphicsConfig) peer.getGraphicsConfiguration();
} else {
GraphicsEnvironment env =
GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gd = env.getDefaultScreenDevice();
return (XRGraphicsConfig) gd.getDefaultConfiguration();
}
}
/**
* Returns a boolean indicating whether or not a copyArea from the given
* rectangle source coordinates might be incomplete and result in X11
* GraphicsExposure events being generated from XCopyArea. This method
* allows the SurfaceData copyArea method to determine if it needs to set
* the GraphicsExposures attribute of the X11 GC to True or False to receive
* or avoid the events.
*
* @return true if there is any chance that an XCopyArea from the given
* source coordinates could produce any X11 Exposure events.
*/
public abstract boolean canSourceSendExposures(int x, int y, int w, int h);
/**
* CopyArea is implemented using the "old" X11 GC, therefor clip and
* needExposures have to be validated against that GC. Pictures and GCs
* don't share state.
*/
public void validateCopyAreaGC(Region gcClip, boolean needExposures) {
if (validatedGCClip != gcClip) {
if (gcClip != null)
renderQueue.setGCClipRectangles(xgc, gcClip);
validatedGCClip = gcClip;
}
if (validatedExposures != needExposures) {
validatedExposures = needExposures;
renderQueue.setGCExposures(xgc, needExposures);
}
if (validatedXorComp != null) {
renderQueue.setGCMode(xgc, true);
renderQueue.setGCForeground(xgc, validatedGCForegroundPixel);
validatedXorComp = null;
}
}
public boolean copyArea(SunGraphics2D sg2d, int x, int y, int w, int h,
int dx, int dy) {
if (xrpipe == null) {
if (!isXRDrawableValid()) {
return true;
}
makePipes();
}
CompositeType comptype = sg2d.imageComp;
if (sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE &&
(CompositeType.SrcOverNoEa.equals(comptype) ||
CompositeType.SrcNoEa.equals(comptype)))
{
x += sg2d.transX;
y += sg2d.transY;
try {
SunToolkit.awtLock();
boolean needExposures = canSourceSendExposures(x, y, w, h);
validateCopyAreaGC(sg2d.getCompClip(), needExposures);
renderQueue.copyArea(xid, xid, xgc, x, y, w, h, x + dx, y + dy);
} finally {
SunToolkit.awtUnlock();
}
return true;
}
return false;
}
/**
* Returns the XRender SurfaceType which is able to fullfill the specified
* transparency requirement.
*/
public static SurfaceType getSurfaceType(XRGraphicsConfig gc,
int transparency) {
SurfaceType sType = null;
switch (transparency) {
case Transparency.OPAQUE:
sType = XRSurfaceData.IntRgbX11;
break;
case Transparency.BITMASK:
case Transparency.TRANSLUCENT:
sType = XRSurfaceData.IntArgbPreX11;
break;
}
return sType;
}
public void invalidate() {
if (isValid()) {
setInvalid();
super.invalidate();
}
}
private long xgc; // GC is still used for copyArea
private int validatedGCForegroundPixel = 0;
private XORComposite validatedXorComp;
private int xid;
public int picture;
public XRCompositeManager maskBuffer;
private Region validatedClip;
private Region validatedGCClip;
private boolean validatedExposures = true;
boolean transformInUse = false;
AffineTransform validatedSourceTransform = new AffineTransform();
AffineTransform staticSrcTx = null;
int validatedRepeat = XRUtils.RepeatNone;
int validatedFilter = XRUtils.FAST;
/**
* Validates an XRSurfaceData when used as source. Note that the clip is
* applied when used as source as well as destination.
*/
void validateAsSource(AffineTransform sxForm, int repeat, int filter) {
if (validatedClip != null) {
validatedClip = null;
renderQueue.setClipRectangles(picture, null);
}
if (validatedRepeat != repeat && repeat != -1) {
validatedRepeat = repeat;
renderQueue.setPictureRepeat(picture, repeat);
}
if (sxForm == null) {
if (transformInUse) {
validatedSourceTransform.setToIdentity();
renderQueue.setPictureTransform(picture,
validatedSourceTransform);
transformInUse = false;
}
} else if (!transformInUse ||
(transformInUse && !sxForm.equals(validatedSourceTransform))) {
validatedSourceTransform.setTransform(sxForm.getScaleX(),
sxForm.getShearY(),
sxForm.getShearX(),
sxForm.getScaleY(),
sxForm.getTranslateX(),
sxForm.getTranslateY());
AffineTransform srcTransform = validatedSourceTransform;
if(staticSrcTx != null) {
// Apply static transform set when used as texture or gradient.
// Create a copy to not modify validatedSourceTransform as
// this would confuse the validation logic.
srcTransform = new AffineTransform(validatedSourceTransform);
srcTransform.preConcatenate(staticSrcTx);
}
renderQueue.setPictureTransform(picture, srcTransform);
transformInUse = true;
}
if (filter != validatedFilter && filter != -1) {
renderQueue.setFilter(picture, filter);
validatedFilter = filter;
}
}
/**
* Validates the Surface when used as destination.
*/
public void validateAsDestination(SunGraphics2D sg2d, Region clip) {
if (!isValid()) {
throw new InvalidPipeException("bounds changed");
}
boolean updateGCClip = false;
if (clip != validatedClip) {
renderQueue.setClipRectangles(picture, clip);
validatedClip = clip;
updateGCClip = true;
}
if (sg2d != null && sg2d.compositeState == SunGraphics2D.COMP_XOR) {
if (validatedXorComp != sg2d.getComposite()) {
validatedXorComp = (XORComposite) sg2d.getComposite();
renderQueue.setGCMode(xgc, false);
}
// validate pixel
int pixel = sg2d.pixel;
if (validatedGCForegroundPixel != pixel) {
int xorpixelmod = validatedXorComp.getXorPixel();
renderQueue.setGCForeground(xgc, pixel ^ xorpixelmod);
validatedGCForegroundPixel = pixel;
}
if (updateGCClip) {
renderQueue.setGCClipRectangles(xgc, clip);
}
}
}
public synchronized void makePipes() { /*
* TODO: Why is this synchronized,
* but access not?
*/
if (xrpipe == null) {
try {
SunToolkit.awtLock();
xgc = XCreateGC(getNativeOps());
xrpipe = new XRRenderer(maskBuffer.getMaskBuffer());
xrtxpipe = new PixelToShapeConverter(xrpipe);
xrtextpipe = maskBuffer.getTextRenderer();
xrDrawImage = new XRDrawImage();
if (JulesPathBuf.isCairoAvailable()) {
aaShapePipe =
new JulesShapePipe(XRCompositeManager.getInstance(this));
aaPixelToShapeConv = new PixelToShapeConverter(aaShapePipe);
}
} finally {
SunToolkit.awtUnlock();
}
}
}
public static class XRWindowSurfaceData extends XRSurfaceData {
public XRWindowSurfaceData(X11ComponentPeer peer,
XRGraphicsConfig gc, SurfaceType sType) {
super(peer, gc, sType, peer.getColorModel(),
peer.getColorModel().getPixelSize(), Transparency.OPAQUE);
if (isXRDrawableValid()) {
initXRender(XRUtils.
getPictureFormatForTransparency(Transparency.OPAQUE));
makePipes();
}
}
public SurfaceData getReplacement() {
return peer.getSurfaceData();
}
public Rectangle getBounds() {
Rectangle r = peer.getBounds();
r.x = r.y = 0;
return r;
}
@Override
public boolean canSourceSendExposures(int x, int y, int w, int h) {
return true;
}
/**
* Returns destination Component associated with this SurfaceData.
*/
public Object getDestination() {
return peer.getTarget();
}
public void invalidate() {
try {
SunToolkit.awtLock();
freeXSDOPicture(getNativeOps());
}finally {
SunToolkit.awtUnlock();
}
super.invalidate();
}
}
public static class XRInternalSurfaceData extends XRSurfaceData {
public XRInternalSurfaceData(XRBackend renderQueue, int pictXid) {
super(renderQueue);
this.picture = pictXid;
this.transformInUse = false;
}
public boolean canSourceSendExposures(int x, int y, int w, int h) {
return false;
}
public Rectangle getBounds() {
return null;
}
public Object getDestination() {
return null;
}
public SurfaceData getReplacement() {
return null;
}
}
public static class XRPixmapSurfaceData extends XRSurfaceData {
Image offscreenImage;
int width;
int height;
int transparency;
public XRPixmapSurfaceData(XRGraphicsConfig gc, int width, int height,
Image image, SurfaceType sType,
ColorModel cm, long drawable,
int transparency, int pictFormat,
int depth) {
super(null, gc, sType, cm, depth, transparency);
this.width = width;
this.height = height;
offscreenImage = image;
this.transparency = transparency;
initSurface(depth, width, height, drawable, pictFormat);
initXRender(pictFormat);
makePipes();
}
public void initSurface(int depth, int width, int height,
long drawable, int pictFormat) {
try {
SunToolkit.awtLock();
XRInitSurface(depth, width, height, drawable, pictFormat);
} finally {
SunToolkit.awtUnlock();
}
}
public SurfaceData getReplacement() {
return restoreContents(offscreenImage);
}
/**
* Need this since the surface data is created with the color model of
* the target GC, which is always opaque. But in SunGraphics2D.blitSD we
* choose loops based on the transparency on the source SD, so it could
* choose wrong loop (blit instead of blitbg, for example).
*/
public int getTransparency() {
return transparency;
}
public Rectangle getBounds() {
return new Rectangle(width, height);
}
@Override
public boolean canSourceSendExposures(int x, int y, int w, int h) {
return (x < 0 || y < 0 || (x + w) > width || (y + h) > height);
}
public void flush() {
/*
* We need to invalidate the surface before disposing the native
* Drawable and Picture. This way if an application tries to render
* to an already flushed XRSurfaceData, we will notice in the
* validate() method above that it has been invalidated, and we will
* avoid using those native resources that have already been
* disposed.
*/
invalidate();
flushNativeSurface();
}
/**
* Returns destination Image associated with this SurfaceData.
*/
public Object getDestination() {
return offscreenImage;
}
}
public long getGC() {
return xgc;
}
public static class LazyPipe extends ValidatePipe {
public boolean validate(SunGraphics2D sg2d) {
XRSurfaceData xsd = (XRSurfaceData) sg2d.surfaceData;
if (!xsd.isXRDrawableValid()) {
return false;
}
xsd.makePipes();
return super.validate(sg2d);
}
}
public int getPicture() {
return picture;
}
public int getXid() {
return xid;
}
public XRGraphicsConfig getGraphicsConfig() {
return graphicsConfig;
}
public void setStaticSrcTx(AffineTransform staticSrcTx) {
this.staticSrcTx = staticSrcTx;
}
}
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