com.sun.webkit.graphics.GraphicsDecoder Maven / Gradle / Ivy
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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
*/
package com.sun.webkit.graphics;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.logging.Logger;
public final class GraphicsDecoder {
public final static int FILLRECT_FFFFI = 0;
public final static int SETFILLCOLOR = 1;
public final static int SETSTROKESTYLE = 2;
public final static int SETSTROKECOLOR = 3;
public final static int SETSTROKEWIDTH = 4;
public final static int DRAWPOLYGON = 6;
public final static int DRAWLINE = 7;
public final static int DRAWIMAGE = 8;
public final static int DRAWICON = 9;
public final static int DRAWPATTERN = 10;
public final static int TRANSLATE = 11;
public final static int SAVESTATE = 12;
public final static int RESTORESTATE = 13;
public final static int CLIP_PATH = 14;
public final static int SETCLIP_IIII = 15;
public final static int DRAWRECT = 16;
public final static int SETCOMPOSITE = 17;
public final static int STROKEARC = 18;
public final static int DRAWELLIPSE = 19;
public final static int DRAWFOCUSRING = 20;
public final static int SETALPHA = 21;
public final static int BEGINTRANSPARENCYLAYER = 22;
public final static int ENDTRANSPARENCYLAYER = 23;
public final static int STROKE_PATH = 24;
public final static int FILL_PATH = 25;
public final static int GETIMAGE = 26;
public final static int SCALE = 27;
public final static int SETSHADOW = 28;
public final static int DRAWSTRING = 29;
public final static int DRAWSTRING_FAST = 31;
public final static int DRAWWIDGET = 33;
public final static int DRAWSCROLLBAR = 34;
public final static int CLEARRECT_FFFF = 36;
public final static int STROKERECT_FFFFF = 37;
public final static int RENDERMEDIAPLAYER = 38;
public final static int CONCATTRANSFORM_FFFFFF = 39;
public final static int COPYREGION = 40;
public final static int DECODERQ = 41;
public final static int SET_TRANSFORM = 42;
public final static int ROTATE = 43;
public final static int RENDERMEDIACONTROL = 44;
public final static int RENDERMEDIA_TIMETRACK = 45;
public final static int RENDERMEDIA_VOLUMETRACK = 46;
public final static int FILLRECT_FFFF = 47;
public final static int FILL_ROUNDED_RECT = 48;
public final static int SET_FILL_GRADIENT = 49;
public final static int SET_STROKE_GRADIENT = 50;
public final static int SET_LINE_DASH = 51;
public final static int SET_LINE_CAP = 52;
public final static int SET_LINE_JOIN = 53;
public final static int SET_MITER_LIMIT = 54;
public final static int SET_TEXT_MODE = 55;
private final static Logger log =
Logger.getLogger(GraphicsDecoder.class.getName());
static void decode(WCGraphicsManager gm, WCGraphicsContext gc, BufferData bdata) {
if (gc == null) {
return;
}
ByteBuffer buf = bdata.getBuffer();
buf.order(ByteOrder.nativeOrder());
while (buf.remaining() > 0) {
int op = buf.getInt();
switch(op) {
case FILLRECT_FFFF:
gc.fillRect(
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
null);
break;
case FILLRECT_FFFFI:
gc.fillRect(
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getInt());
break;
case FILL_ROUNDED_RECT:
gc.fillRoundedRect(
// base rectangle
buf.getFloat(), buf.getFloat(), buf.getFloat(), buf.getFloat(),
// top corners w/h
buf.getFloat(), buf.getFloat(), buf.getFloat(), buf.getFloat(),
// bottom corners w/h
buf.getFloat(), buf.getFloat(), buf.getFloat(), buf.getFloat(),
buf.getInt());
break;
case CLEARRECT_FFFF:
gc.clearRect(
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat());
break;
case STROKERECT_FFFFF:
gc.strokeRect(
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat());
break;
case SETFILLCOLOR:
gc.setFillColor(buf.getInt());
break;
case SET_TEXT_MODE:
gc.setTextMode(getBoolean(buf), getBoolean(buf), getBoolean(buf));
break;
case SETSTROKESTYLE:
gc.setStrokeStyle(buf.getInt());
break;
case SETSTROKECOLOR:
gc.setStrokeColor(buf.getInt());
break;
case SETSTROKEWIDTH:
gc.setStrokeWidth(buf.getFloat());
break;
case SET_FILL_GRADIENT:
gc.setFillGradient(getGradient(gc, buf));
break;
case SET_STROKE_GRADIENT:
gc.setStrokeGradient(getGradient(gc, buf));
break;
case SET_LINE_DASH:
gc.setLineDash(buf.getFloat(), getFloatArray(buf));
break;
case SET_LINE_CAP:
gc.setLineCap(buf.getInt());
break;
case SET_LINE_JOIN:
gc.setLineJoin(buf.getInt());
break;
case SET_MITER_LIMIT:
gc.setMiterLimit(buf.getFloat());
break;
case DRAWPOLYGON:
boolean shouldAA = buf.getInt() == -1;
int n = buf.getInt();
float pnts[] = new float[n];
buf.asFloatBuffer().get(pnts);
buf.position(buf.position() + n*4);
gc.drawPolygon(pnts, shouldAA);
break;
case DRAWLINE:
gc.drawLine(
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt());
break;
case DRAWIMAGE:
drawImage(gc,
gm.getRef(buf.getInt()),
//dest React
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
//src Rect
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat());
break;
case DRAWICON:
gc.drawIcon((WCIcon)gm.getRef(buf.getInt()),
buf.getInt(),
buf.getInt());
break;
case DRAWPATTERN:
drawPattern(gc,
gm.getRef(buf.getInt()),
getRectangle(buf),
(WCTransform)gm.getRef(buf.getInt()),
getPoint(buf),
getRectangle(buf));
break;
case TRANSLATE:
gc.translate(buf.getFloat(), buf.getFloat());
break;
case SCALE:
gc.scale(buf.getFloat(), buf.getFloat());
break;
case SAVESTATE:
gc.saveState();
break;
case RESTORESTATE:
gc.restoreState();
break;
case CLIP_PATH:
gc.setClip(
getPath(gm, buf),
buf.getInt()>0);
break;
case SETCLIP_IIII:
gc.setClip(
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt());
break;
case DRAWRECT:
gc.drawRect(
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt());
break;
case SETCOMPOSITE:
gc.setComposite(buf.getInt());
break;
case STROKEARC:
gc.strokeArc(
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt());
break;
case DRAWELLIPSE:
gc.drawEllipse(
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt());
break;
case DRAWFOCUSRING:
gc.drawFocusRing(
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt(),
buf.getInt());
break;
case SETALPHA:
gc.setAlpha(buf.getFloat());
break;
case BEGINTRANSPARENCYLAYER:
gc.beginTransparencyLayer(buf.getFloat());
break;
case ENDTRANSPARENCYLAYER:
gc.endTransparencyLayer();
break;
case STROKE_PATH:
gc.strokePath(getPath(gm, buf));
break;
case FILL_PATH:
gc.fillPath(getPath(gm, buf));
break;
case SETSHADOW:
gc.setShadow(
buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getInt());
break;
case DRAWSTRING:
gc.drawString(
(WCFont) gm.getRef(buf.getInt()),
bdata.getString(buf.getInt()),
(buf.getInt() == -1), // rtl flag
buf.getInt(), buf.getInt(), // from and to positions
buf.getFloat(), buf.getFloat());// (x,y) position
break;
case DRAWSTRING_FAST:
gc.drawString(
(WCFont) gm.getRef(buf.getInt()),
bdata.getIntArray(buf.getInt()), //glyphs
bdata.getFloatArray(buf.getInt()), //offsets
buf.getFloat(),
buf.getFloat());
break;
case DRAWWIDGET:
gc.drawWidget((RenderTheme)(gm.getRef(buf.getInt())),
gm.getRef(buf.getInt()), buf.getInt(), buf.getInt());
break;
case DRAWSCROLLBAR:
gc.drawScrollbar((ScrollBarTheme)(gm.getRef(buf.getInt())),
gm.getRef(buf.getInt()), buf.getInt(), buf.getInt(),
buf.getInt(), buf.getInt());
break;
case RENDERMEDIAPLAYER:
WCMediaPlayer mp = (WCMediaPlayer)gm.getRef(buf.getInt());
mp.render(gc,
buf.getInt(), // x
buf.getInt(), // y
buf.getInt(), // width
buf.getInt()); // height
break;
case CONCATTRANSFORM_FFFFFF:
gc.concatTransform(new WCTransform(
buf.getFloat(), buf.getFloat(), buf.getFloat(),
buf.getFloat(), buf.getFloat(), buf.getFloat()));
break;
case SET_TRANSFORM:
gc.setTransform(new WCTransform(
buf.getFloat(), buf.getFloat(), buf.getFloat(),
buf.getFloat(), buf.getFloat(), buf.getFloat()));
break;
case COPYREGION:
WCPageBackBuffer buffer = (WCPageBackBuffer)gm.getRef(buf.getInt());
buffer.copyArea(buf.getInt(), buf.getInt(), buf.getInt(), buf.getInt(),
buf.getInt(), buf.getInt());
break;
case DECODERQ:
WCRenderQueue _rq = (WCRenderQueue)gm.getRef(buf.getInt());
_rq.decode(gc.getFontSmoothingType());
break;
case ROTATE:
gc.rotate(buf.getFloat());
break;
case RENDERMEDIACONTROL:
RenderMediaControls.paintControl(gc,
buf.getInt(), // control type
buf.getInt(), // x
buf.getInt(), // y
buf.getInt(), // width
buf.getInt()); // height
break;
case RENDERMEDIA_TIMETRACK:
n = buf.getInt(); // number of timeRange pairs
float[] buffered = new float[n*2];
buf.asFloatBuffer().get(buffered);
buf.position(buf.position() + n*4 *2);
RenderMediaControls.paintTimeSliderTrack(gc,
buf.getFloat(), // duration
buf.getFloat(), // currentTime
buffered, // buffered() timeRanges
buf.getInt(), // x
buf.getInt(), // y
buf.getInt(), // width
buf.getInt()); // height
break;
case RENDERMEDIA_VOLUMETRACK:
RenderMediaControls.paintVolumeTrack(gc,
buf.getFloat(), // curVolume
buf.getInt() != 0, // muted
buf.getInt(), // x
buf.getInt(), // y
buf.getInt(), // width
buf.getInt()); // height
break;
default:
log.fine("ERROR. Unknown primitive found");
break;
}
}
}
private static void drawPattern(
WCGraphicsContext gc,
Object imgFrame,
WCRectangle srcRect,
WCTransform patternTransform,
WCPoint phase,
WCRectangle destRect)
{
WCImage img = WCImage.getImage(imgFrame);
if (img != null) {
// RT-10059: drawImage() may have to create the texture
// lazily, and may fail with an OutOfMemory error
// if the texture is too large. This is a legitimate
// situation that should be handled gracefully. It should
// not cause us to quit painting other page components.
try {
gc.drawPattern(
img,
srcRect,
patternTransform,
phase,
destRect);
} catch (OutOfMemoryError error) {
error.printStackTrace();
}
}
}
private static void drawImage(
WCGraphicsContext gc,
Object imgFrame,
float dstx, float dsty, float dstw, float dsth,
float srcx, float srcy, float srcw, float srch)
{
WCImage img = WCImage.getImage(imgFrame);
if (img != null) {
// RT-10059: drawImage() may have to create the texture
// lazily, and may fail with an OutOfMemory error
// if the texture is too large. This is a legitimate
// situation that should be handled gracefully. It should
// not cause us to quit painting other page components.
try {
gc.drawImage(
img,
dstx, dsty, dstw, dsth,
srcx, srcy, srcw, srch);
} catch (OutOfMemoryError error) {
error.printStackTrace();
}
}
}
private static boolean getBoolean(ByteBuffer buf) {
return 0 != buf.getInt();
}
private static float[] getFloatArray(ByteBuffer buf) {
float[] array = new float[buf.getInt()];
for (int i = 0; i < array.length; i++) {
array[i] = buf.getFloat();
}
return array;
}
private static WCPath getPath(WCGraphicsManager gm, ByteBuffer buf) {
WCPath path = (WCPath) gm.getRef(buf.getInt());
path.setWindingRule(buf.getInt());
return path;
}
private static WCPoint getPoint(ByteBuffer buf) {
return new WCPoint(buf.getFloat(),
buf.getFloat());
}
private static WCRectangle getRectangle(ByteBuffer buf) {
return new WCRectangle(buf.getFloat(),
buf.getFloat(),
buf.getFloat(),
buf.getFloat());
}
private static WCGradient getGradient(WCGraphicsContext gc, ByteBuffer buf) {
WCPoint p1 = getPoint(buf);
WCPoint p2 = getPoint(buf);
WCGradient gradient = getBoolean(buf)
? gc.createRadialGradient(p1, buf.getFloat(), p2, buf.getFloat())
: gc.createLinearGradient(p1, p2);
boolean proportional = getBoolean(buf);
int spreadMethod = buf.getInt();
if (gradient != null) {
gradient.setProportional(proportional);
gradient.setSpreadMethod(spreadMethod);
}
int count = buf.getInt();
for (int i = 0; i < count; i++) {
int color = buf.getInt();
float offset = buf.getFloat();
if (gradient != null) {
gradient.addStop(color, offset);
}
}
return gradient;
}
}