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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2013-15 The Processing Foundation
Copyright (c) 2005-13 Ben Fry and Casey Reas
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
package processing.awt;
import java.awt.*;
import java.awt.font.TextAttribute;
import java.awt.geom.*;
import java.awt.image.*;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import processing.core.*;
/**
* Subclass for PGraphics that implements the graphics API using Java2D.
* <p>
* To get access to the Java 2D "Graphics2D" object for the default
* renderer, use:
* <PRE>
* Graphics2D g2 = (Graphics2D) g.getNative();
* </PRE>
* This will let you do Graphics2D calls directly, but is not supported
* in any way shape or form. Which just means "have fun, but don't complain
* if it breaks."
* <p>
* Advanced <a href="http://docs.oracle.com/javase/7/docs/webnotes/tsg/TSG-Desktop/html/java2d.html">debugging notes</a> for Java2D.
*/
public class PGraphicsJava2D extends PGraphics {
//// BufferStrategy strategy;
//// BufferedImage bimage;
//// VolatileImage vimage;
// Canvas canvas;
//// boolean useCanvas = true;
// boolean useCanvas = false;
//// boolean useRetina = true;
//// boolean useOffscreen = true; // ~40fps
// boolean useOffscreen = false;
public Graphics2D g2;
// protected BufferedImage offscreen;
Composite defaultComposite;
GeneralPath gpath;
// path for contours so gpath can be closed
GeneralPath auxPath;
boolean openContour;
/// break the shape at the next vertex (next vertex() call is a moveto())
boolean breakShape;
/// coordinates for internal curve calculation
float[] curveCoordX;
float[] curveCoordY;
float[] curveDrawX;
float[] curveDrawY;
int transformCount;
AffineTransform transformStack[] =
new AffineTransform[MATRIX_STACK_DEPTH];
double[] transform = new double[6];
Line2D.Float line = new Line2D.Float();
Ellipse2D.Float ellipse = new Ellipse2D.Float();
Rectangle2D.Float rect = new Rectangle2D.Float();
Arc2D.Float arc = new Arc2D.Float();
protected Color tintColorObject;
protected Color fillColorObject;
public boolean fillGradient;
public Paint fillGradientObject;
protected Stroke strokeObject;
protected Color strokeColorObject;
public boolean strokeGradient;
public Paint strokeGradientObject;
Font fontObject;
//////////////////////////////////////////////////////////////
// INTERNAL
public PGraphicsJava2D() { }
//public void setParent(PApplet parent)
//public void setPrimary(boolean primary)
//public void setPath(String path)
// /**
// * Called in response to a resize event, handles setting the
// * new width and height internally, as well as re-allocating
// * the pixel buffer for the new size.
// *
// * Note that this will nuke any cameraMode() settings.
// */
// @Override
// public void setSize(int iwidth, int iheight) { // ignore
// width = iwidth;
// height = iheight;
//
// allocate();
// reapplySettings();
// }
// @Override
// protected void allocate() {
// //surface.initImage(this, width, height);
// surface.initImage(this);
// }
/*
@Override
protected void allocate() {
// Tried this with RGB instead of ARGB for the primarySurface version,
// but didn't see any performance difference (OS X 10.6, Java 6u24).
// For 0196, also attempted RGB instead of ARGB, but that causes
// strange things to happen with blending.
// image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
if (primarySurface) {
if (useCanvas) {
if (canvas != null) {
parent.removeListeners(canvas);
parent.remove(canvas);
}
canvas = new Canvas();
canvas.setIgnoreRepaint(true);
// parent.setLayout(new BorderLayout());
// parent.add(canvas, BorderLayout.CENTER);
parent.add(canvas);
// canvas.validate();
// parent.doLayout();
if (canvas.getWidth() != width || canvas.getHeight() != height) {
PApplet.debug("PGraphicsJava2D comp size being set to " + width + "x" + height);
canvas.setSize(width, height);
} else {
PApplet.debug("PGraphicsJava2D comp size already " + width + "x" + height);
}
parent.addListeners(canvas);
// canvas.createBufferStrategy(1);
// g2 = (Graphics2D) canvas.getGraphics();
} else {
parent.updateListeners(parent); // in case they're already there
// using a compatible image here doesn't seem to provide any performance boost
if (useOffscreen) {
// Needs to be RGB otherwise there's a major performance hit [0204]
// http://code.google.com/p/processing/issues/detail?id=729
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
// GraphicsConfiguration gc = parent.getGraphicsConfiguration();
// image = gc.createCompatibleImage(width, height);
offscreen = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
// offscreen = gc.createCompatibleImage(width, height);
g2 = (Graphics2D) offscreen.getGraphics();
} else {
// System.out.println("hopefully faster " + width + " " + height);
// new Exception().printStackTrace(System.out);
GraphicsConfiguration gc = canvas.getGraphicsConfiguration();
// If not realized (off-screen, i.e the Color Selector Tool),
// gc will be null.
if (gc == null) {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
gc = ge.getDefaultScreenDevice().getDefaultConfiguration();
}
image = gc.createCompatibleImage(width, height);
g2 = (Graphics2D) image.getGraphics();
}
}
} else { // not the primary surface
// Since this buffer's offscreen anyway, no need for the extra offscreen
// buffer. However, unlike the primary surface, this feller needs to be
// ARGB so that blending ("alpha" compositing) will work properly.
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
g2 = (Graphics2D) image.getGraphics();
}
*/
/*
if (primarySurface) {
Canvas canvas = ((PSurfaceAWT) surface).canvas;
GraphicsConfiguration gc = canvas.getGraphicsConfiguration();
// If not realized (off-screen, i.e the Color Selector Tool),
// gc will be null.
if (gc == null) {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
gc = ge.getDefaultScreenDevice().getDefaultConfiguration();
}
image = gc.createCompatibleImage(width, height);
g2 = (Graphics2D) image.getGraphics();
} else {
}
g2 = (Graphics2D) image.getGraphics();
}
*/
//public void dispose()
@Override
public PSurface createSurface() {
return surface = new PSurfaceAWT(this);
}
/**
* Still need a means to get the java.awt.Image object, since getNative()
* is going to return the {@link Graphics2D} object.
*/
@Override
public Image getImage() {
return image;
}
/** Returns the java.awt.Graphics2D object used by this renderer. */
@Override
public Object getNative() {
return g2;
}
//////////////////////////////////////////////////////////////
// FRAME
// @Override
// public boolean canDraw() {
// return true;
// }
// @Override
// public void requestDraw() {
//// EventQueue.invokeLater(new Runnable() {
//// public void run() {
// parent.handleDraw();
//// }
//// });
// }
// Graphics2D g2old;
public Graphics2D checkImage() {
if (image == null ||
((BufferedImage) image).getWidth() != width*pixelDensity ||
((BufferedImage) image).getHeight() != height*pixelDensity) {
// ((VolatileImage) image).getWidth() != width ||
// ((VolatileImage) image).getHeight() != height) {
// image = new BufferedImage(width * pixelFactor, height * pixelFactor
// format == RGB ? BufferedImage.TYPE_INT_ARGB);
GraphicsConfiguration gc = null;
if (surface != null) {
Component comp = null; //surface.getComponent();
if (comp == null) {
// System.out.println("component null, but parent.frame is " + parent.frame);
comp = parent.frame;
}
if (comp != null) {
gc = comp.getGraphicsConfiguration();
}
}
// If not realized (off-screen, i.e the Color Selector Tool), gc will be null.
if (gc == null) {
//System.err.println("GraphicsConfiguration null in initImage()");
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
gc = ge.getDefaultScreenDevice().getDefaultConfiguration();
}
// Formerly this was broken into separate versions based on offscreen or
// not, but we may as well create a compatible image; it won't hurt, right?
int wide = width * pixelDensity;
int high = height * pixelDensity;
// System.out.println("re-creating image");
image = gc.createCompatibleImage(wide, high, Transparency.TRANSLUCENT);
// image = gc.createCompatibleVolatileImage(wide, high);
//image = surface.getComponent().createImage(width, height);
}
return (Graphics2D) image.getGraphics();
}
@Override
public void beginDraw() {
g2 = checkImage();
// Calling getGraphics() seems to nuke several settings.
// It seems to be re-creating a new Graphics2D object each time.
// https://github.com/processing/processing/issues/3331
if (strokeObject != null) {
g2.setStroke(strokeObject);
}
// https://github.com/processing/processing/issues/2617
if (fontObject != null) {
g2.setFont(fontObject);
}
// https://github.com/processing/processing/issues/4019
if (blendMode != 0) {
blendMode(blendMode);
}
handleSmooth();
/*
// NOTE: Calling image.getGraphics() will create a new Graphics context,
// even if it's for the same image that's already had a context created.
// Seems like a speed/memory issue, and also requires that all smoothing,
// stroke, font and other props be reset. Can't find a good answer about
// whether getGraphics() and dispose() on each frame is 1) better practice
// and 2) minimal overhead, however. Instinct suggests #1 may be true,
// but #2 seems a problem.
if (primarySurface && !useOffscreen) {
GraphicsConfiguration gc = canvas.getGraphicsConfiguration();
if (false) {
if (image == null || ((VolatileImage) image).validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE) {
image = gc.createCompatibleVolatileImage(width, height);
g2 = (Graphics2D) image.getGraphics();
reapplySettings = true;
}
} else {
if (image == null) {
image = gc.createCompatibleImage(width, height);
PApplet.debug("created new image, type is " + image);
g2 = (Graphics2D) image.getGraphics();
reapplySettings = true;
}
}
}
if (useCanvas && primarySurface) {
if (parent.frameCount == 0) {
canvas.createBufferStrategy(2);
strategy = canvas.getBufferStrategy();
PApplet.debug("PGraphicsJava2D.beginDraw() strategy is " + strategy);
BufferCapabilities caps = strategy.getCapabilities();
caps = strategy.getCapabilities();
PApplet.debug("PGraphicsJava2D.beginDraw() caps are " +
" flipping: " + caps.isPageFlipping() +
" front/back accel: " + caps.getFrontBufferCapabilities().isAccelerated() + " " +
"/" + caps.getBackBufferCapabilities().isAccelerated());
}
GraphicsConfiguration gc = canvas.getGraphicsConfiguration();
if (bimage == null ||
bimage.getWidth() != width ||
bimage.getHeight() != height) {
PApplet.debug("PGraphicsJava2D creating new image");
bimage = gc.createCompatibleImage(width, height);
// image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
g2 = bimage.createGraphics();
defaultComposite = g2.getComposite();
reapplySettings = true;
}
}
*/
checkSettings();
resetMatrix(); // reset model matrix
vertexCount = 0;
}
/**
* Smoothing for Java2D is 2 for bilinear, and 3 for bicubic (the default).
* Internally, smooth(1) is the default, smooth(0) is noSmooth().
*/
protected void handleSmooth() {
if (smooth == 0) {
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
} else {
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
if (smooth == 1 || smooth == 3) { // default is bicubic
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
} else if (smooth == 2) {
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
}
// http://docs.oracle.com/javase/tutorial/2d/text/renderinghints.html
// Oracle Java text anti-aliasing on OS X looks like s*t compared to the
// text rendering with Apple's old Java 6. Below, several attempts to fix:
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
// Turns out this is the one that actually makes things work.
// Kerning is still screwed up, however.
g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
// g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
// RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
// g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
// RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
// g2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
// RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
}
}
@Override
public void endDraw() {
// hm, mark pixels as changed, because this will instantly do a full
// copy of all the pixels to the surface.. so that's kind of a mess.
//updatePixels();
if (primaryGraphics) {
/*
//if (canvas != null) {
if (useCanvas) {
//System.out.println(canvas);
// alternate version
//canvas.repaint(); // ?? what to do for swapping buffers
// System.out.println("endDraw() frameCount is " + parent.frameCount);
// if (parent.frameCount != 0) {
redraw();
// }
} else if (useOffscreen) {
// don't copy the pixels/data elements of the buffered image directly,
// since it'll disable the nice speedy pipeline stuff, sending all drawing
// into a world of suck that's rough 6 trillion times slower.
synchronized (image) {
//System.out.println("inside j2d sync");
image.getGraphics().drawImage(offscreen, 0, 0, null);
}
} else {
// changed to not dispose and get on each frame,
// otherwise a new Graphics context is used on each frame
// g2.dispose();
// System.out.println("not doing anything special in endDraw()");
}
*/
} else {
// TODO this is probably overkill for most tasks...
loadPixels();
}
// // Marking as modified, and then calling updatePixels() in
// // the super class, which just sets the mx1, my1, mx2, my2
// // coordinates of the modified area. This avoids doing the
// // full copy of the pixels to the surface in this.updatePixels().
// setModified();
// super.updatePixels();
// Marks pixels as modified so that the pixels will be updated.
// Also sets mx1/y1/x2/y2 so that OpenGL will pick it up.
setModified();
g2.dispose();
}
/*
private void redraw() {
// only need this check if the validate() call will use redraw()
// if (strategy == null) return;
do {
PApplet.debug("PGraphicsJava2D.redraw() top of outer do { } block");
do {
PApplet.debug("PGraphicsJava2D.redraw() top of inner do { } block");
PApplet.debug("strategy is " + strategy);
Graphics bsg = strategy.getDrawGraphics();
// if (vimage != null) {
// bsg.drawImage(vimage, 0, 0, null);
// } else {
bsg.drawImage(bimage, 0, 0, null);
// if (parent.frameCount == 0) {
// try {
// ImageIO.write(image, "jpg", new java.io.File("/Users/fry/Desktop/buff.jpg"));
// } catch (IOException e) {
// e.printStackTrace();
// }
// }
// }
bsg.dispose();
// the strategy version
// g2.dispose();
// if (!strategy.contentsLost()) {
// if (parent.frameCount != 0) {
// Toolkit.getDefaultToolkit().sync();
// }
// } else {
// System.out.println("XXXXX strategy contents lost");
// }
// }
// }
} while (strategy.contentsRestored());
PApplet.debug("PGraphicsJava2D.redraw() showing strategy");
strategy.show();
} while (strategy.contentsLost());
PApplet.debug("PGraphicsJava2D.redraw() out of do { } block");
}
*/
//////////////////////////////////////////////////////////////
// SETTINGS
//protected void checkSettings()
@Override
protected void defaultSettings() {
// if (!useCanvas) {
// // Papered over another threading issue...
// // See if this comes back now that the other issue is fixed.
//// while (g2 == null) {
//// try {
//// System.out.println("sleeping until g2 is available");
//// Thread.sleep(5);
//// } catch (InterruptedException e) { }
//// }
defaultComposite = g2.getComposite();
// }
super.defaultSettings();
}
//protected void reapplySettings()
//////////////////////////////////////////////////////////////
// HINT
@Override
public void hint(int which) {
// take care of setting the hint
super.hint(which);
// Avoid badness when drawing shorter strokes.
// http://code.google.com/p/processing/issues/detail?id=1068
// Unfortunately cannot always be enabled, because it makes the
// stroke in many standard Processing examples really gross.
if (which == ENABLE_STROKE_PURE) {
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
RenderingHints.VALUE_STROKE_PURE);
} else if (which == DISABLE_STROKE_PURE) {
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
RenderingHints.VALUE_STROKE_DEFAULT);
}
}
//////////////////////////////////////////////////////////////
// SHAPE CREATION
@Override
protected PShape createShapeFamily(int type) {
return new PShape(this, type);
}
@Override
protected PShape createShapePrimitive(int kind, float... p) {
return new PShape(this, kind, p);
}
// @Override
// public PShape createShape(PShape source) {
// return PShapeOpenGL.createShape2D(this, source);
// }
/*
protected PShape createShapeImpl(PGraphicsJava2D pg, int type) {
PShape shape = null;
if (type == PConstants.GROUP) {
shape = new PShape(pg, PConstants.GROUP);
} else if (type == PShape.PATH) {
shape = new PShape(pg, PShape.PATH);
} else if (type == PShape.GEOMETRY) {
shape = new PShape(pg, PShape.GEOMETRY);
}
// defaults to false, don't assign it and make complexity for overrides
//shape.set3D(false);
return shape;
}
*/
/*
static protected PShape createShapeImpl(PGraphicsJava2D pg,
int kind, float... p) {
PShape shape = null;
int len = p.length;
if (kind == POINT) {
if (len != 2) {
showWarning("Wrong number of parameters");
return null;
}
shape = new PShape(pg, PShape.PRIMITIVE);
shape.setKind(POINT);
} else if (kind == LINE) {
if (len != 4) {
showWarning("Wrong number of parameters");
return null;
}
shape = new PShape(pg, PShape.PRIMITIVE);
shape.setKind(LINE);
} else if (kind == TRIANGLE) {
if (len != 6) {
showWarning("Wrong number of parameters");
return null;
}
shape = new PShape(pg, PShape.PRIMITIVE);
shape.setKind(TRIANGLE);
} else if (kind == QUAD) {
if (len != 8) {
showWarning("Wrong number of parameters");
return null;
}
shape = new PShape(pg, PShape.PRIMITIVE);
shape.setKind(QUAD);
} else if (kind == RECT) {
if (len != 4 && len != 5 && len != 8 && len != 9) {
showWarning("Wrong number of parameters");
return null;
}
shape = new PShape(pg, PShape.PRIMITIVE);
shape.setKind(RECT);
} else if (kind == ELLIPSE) {
if (len != 4 && len != 5) {
showWarning("Wrong number of parameters");
return null;
}
shape = new PShape(pg, PShape.PRIMITIVE);
shape.setKind(ELLIPSE);
} else if (kind == ARC) {
if (len != 6 && len != 7) {
showWarning("Wrong number of parameters");
return null;
}
shape = new PShape(pg, PShape.PRIMITIVE);
shape.setKind(ARC);
} else if (kind == BOX) {
showWarning("Primitive not supported in 2D");
} else if (kind == SPHERE) {
showWarning("Primitive not supported in 2D");
} else {
showWarning("Unrecognized primitive type");
}
if (shape != null) {
shape.setParams(p);
}
// defaults to false, don't assign it and make complexity for overrides
//shape.set3D(false);
return shape;
}
*/
//////////////////////////////////////////////////////////////
// SHAPES
@Override
public void beginShape(int kind) {
//super.beginShape(kind);
shape = kind;
vertexCount = 0;
curveVertexCount = 0;
// set gpath to null, because when mixing curves and straight
// lines, vertexCount will be set back to zero, so vertexCount == 1
// is no longer a good indicator of whether the shape is new.
// this way, just check to see if gpath is null, and if it isn't
// then just use it to continue the shape.
gpath = null;
auxPath = null;
}
//public boolean edge(boolean e)
//public void normal(float nx, float ny, float nz) {
//public void textureMode(int mode)
@Override
public void texture(PImage image) {
showMethodWarning("texture");
}
@Override
public void vertex(float x, float y) {
curveVertexCount = 0;
//float vertex[];
if (vertexCount == vertices.length) {
float temp[][] = new float[vertexCount<<1][VERTEX_FIELD_COUNT];
System.arraycopy(vertices, 0, temp, 0, vertexCount);
vertices = temp;
//message(CHATTER, "allocating more vertices " + vertices.length);
}
// not everyone needs this, but just easier to store rather
// than adding another moving part to the code...
vertices[vertexCount][X] = x;
vertices[vertexCount][Y] = y;
vertexCount++;
switch (shape) {
case POINTS:
point(x, y);
break;
case LINES:
if ((vertexCount % 2) == 0) {
line(vertices[vertexCount-2][X],
vertices[vertexCount-2][Y], x, y);
}
break;
case TRIANGLES:
if ((vertexCount % 3) == 0) {
triangle(vertices[vertexCount - 3][X],
vertices[vertexCount - 3][Y],
vertices[vertexCount - 2][X],
vertices[vertexCount - 2][Y],
x, y);
}
break;
case TRIANGLE_STRIP:
if (vertexCount >= 3) {
triangle(vertices[vertexCount - 2][X],
vertices[vertexCount - 2][Y],
vertices[vertexCount - 1][X],
vertices[vertexCount - 1][Y],
vertices[vertexCount - 3][X],
vertices[vertexCount - 3][Y]);
}
break;
case TRIANGLE_FAN:
if (vertexCount >= 3) {
// This is an unfortunate implementation because the stroke for an
// adjacent triangle will be repeated. However, if the stroke is not
// redrawn, it will replace the adjacent line (when it lines up
// perfectly) or show a faint line (when off by a small amount).
// The alternative would be to wait, then draw the shape as a
// polygon fill, followed by a series of vertices. But that's a
// poor method when used with PDF, DXF, or other recording objects,
// since discrete triangles would likely be preferred.
triangle(vertices[0][X],
vertices[0][Y],
vertices[vertexCount - 2][X],
vertices[vertexCount - 2][Y],
x, y);
}
break;
case QUAD:
case QUADS:
if ((vertexCount % 4) == 0) {
quad(vertices[vertexCount - 4][X],
vertices[vertexCount - 4][Y],
vertices[vertexCount - 3][X],
vertices[vertexCount - 3][Y],
vertices[vertexCount - 2][X],
vertices[vertexCount - 2][Y],
x, y);
}
break;
case QUAD_STRIP:
// 0---2---4
// | | |
// 1---3---5
if ((vertexCount >= 4) && ((vertexCount % 2) == 0)) {
quad(vertices[vertexCount - 4][X],
vertices[vertexCount - 4][Y],
vertices[vertexCount - 2][X],
vertices[vertexCount - 2][Y],
x, y,
vertices[vertexCount - 3][X],
vertices[vertexCount - 3][Y]);
}
break;
case POLYGON:
if (gpath == null) {
gpath = new GeneralPath();
gpath.moveTo(x, y);
} else if (breakShape) {
gpath.moveTo(x, y);
breakShape = false;
} else {
gpath.lineTo(x, y);
}
break;
}
}
@Override
public void vertex(float x, float y, float z) {
showDepthWarningXYZ("vertex");
}
@Override
public void vertex(float[] v) {
vertex(v[X], v[Y]);
}
@Override
public void vertex(float x, float y, float u, float v) {
showVariationWarning("vertex(x, y, u, v)");
}
@Override
public void vertex(float x, float y, float z, float u, float v) {
showDepthWarningXYZ("vertex");
}
@Override
public void beginContour() {
if (openContour) {
PGraphics.showWarning("Already called beginContour()");
return;
}
// draw contours to auxiliary path so main path can be closed later
GeneralPath contourPath = auxPath;
auxPath = gpath;
gpath = contourPath;
if (contourPath != null) { // first contour does not break
breakShape = true;
}
openContour = true;
}
@Override
public void endContour() {
if (!openContour) {
PGraphics.showWarning("Need to call beginContour() first");
return;
}
// close this contour
if (gpath != null) gpath.closePath();
// switch back to main path
GeneralPath contourPath = gpath;
gpath = auxPath;
auxPath = contourPath;
openContour = false;
}
@Override
public void endShape(int mode) {
if (openContour) { // correct automagically, notify user
endContour();
PGraphics.showWarning("Missing endContour() before endShape()");
}
if (gpath != null) { // make sure something has been drawn
if (shape == POLYGON) {
if (mode == CLOSE) {
gpath.closePath();
}
if (auxPath != null) {
gpath.append(auxPath, false);
}
drawShape(gpath);
}
}
shape = 0;
}
//////////////////////////////////////////////////////////////
// CLIPPING
@Override
protected void clipImpl(float x1, float y1, float x2, float y2) {
g2.setClip(new Rectangle2D.Float(x1, y1, x2 - x1, y2 - y1));
}
@Override
public void noClip() {
g2.setClip(null);
}
//////////////////////////////////////////////////////////////
// BLEND
/**
* ( begin auto-generated from blendMode.xml )
*
* This is a new reference entry for Processing 2.0. It will be updated shortly.
*
* ( end auto-generated )
*
* @webref Rendering
* @param mode the blending mode to use
*/
@Override
protected void blendModeImpl() {
if (blendMode == BLEND) {
g2.setComposite(defaultComposite);