@Override
public void transcode(Paint paint, PrintWriter output) {
if (paint instanceof RadialGradientPaint) {
RadialGradientPaintTranscoder.INSTANCE.transcode((RadialGradientPaint) paint, output);
} else if (paint instanceof LinearGradientPaint) {
LinearGradientPaintTranscoder.INSTANCE.transcode((LinearGradientPaint) paint, output);
} else if (paint instanceof Color) {
ColorTranscoder.INSTANCE.transcode((Color) paint, output);
} else {
throw new UnsupportedOperationException(paint.getClass().getCanonicalName());
}
}
public void setPaint(Paint paint) {
if (paint == null) return;
if (paint.equals(getPaint())) return;
if (paint instanceof Color) {
setColor((Color) paint);
} else {
super.setPaint(paint);
hostGraphics.setPaint(paint);
}
}
@Test
public void testGet() {
RandomColors c = new RandomColors();
int STEPS = 10;
Paint[] actual = new Paint[STEPS];
// Test two runs in order to hit cache
for (int run = 0; run < 2; run++) {
Paint prv = null;
for (int i = 0; i < STEPS; i++) {
Paint cur = c.get(i);
if (run == 0) {
actual[i] = cur;
} else {
assertEquals(actual[i], cur);
}
assertNotNull(cur);
assertFalse(cur.equals(prv));
prv = cur;
}
}
}
private void setPaint(boolean invert, double xoffset, double yoffset, boolean fill) {
if (paint instanceof Color) {
Color color = (Color) paint;
int alpha = color.getAlpha();
if (fill) {
if (alpha != currentFillGState) {
currentFillGState = alpha;
PdfGState gs = fillGState[alpha];
if (gs == null) {
gs = new PdfGState();
gs.setFillOpacity(alpha / 255f);
fillGState[alpha] = gs;
}
cb.setGState(gs);
}
cb.setColorFill(color);
} else {
if (alpha != currentStrokeGState) {
currentStrokeGState = alpha;
PdfGState gs = strokeGState[alpha];
if (gs == null) {
gs = new PdfGState();
gs.setStrokeOpacity(alpha / 255f);
strokeGState[alpha] = gs;
}
cb.setGState(gs);
}
cb.setColorStroke(color);
}
} else if (paint instanceof GradientPaint) {
GradientPaint gp = (GradientPaint) paint;
Point2D p1 = gp.getPoint1();
transform.transform(p1, p1);
Point2D p2 = gp.getPoint2();
transform.transform(p2, p2);
Color c1 = gp.getColor1();
Color c2 = gp.getColor2();
PdfShading shading =
PdfShading.simpleAxial(
cb.getPdfWriter(),
(float) p1.getX(),
normalizeY((float) p1.getY()),
(float) p2.getX(),
normalizeY((float) p2.getY()),
c1,
c2);
PdfShadingPattern pat = new PdfShadingPattern(shading);
if (fill) cb.setShadingFill(pat);
else cb.setShadingStroke(pat);
} else if (paint instanceof TexturePaint) {
try {
TexturePaint tp = (TexturePaint) paint;
BufferedImage img = tp.getImage();
Rectangle2D rect = tp.getAnchorRect();
com.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
PdfPatternPainter pattern = cb.createPattern(image.getWidth(), image.getHeight());
AffineTransform inverse = this.normalizeMatrix();
inverse.translate(rect.getX(), rect.getY());
inverse.scale(rect.getWidth() / image.getWidth(), -rect.getHeight() / image.getHeight());
double[] mx = new double[6];
inverse.getMatrix(mx);
pattern.setPatternMatrix(
(float) mx[0],
(float) mx[1],
(float) mx[2],
(float) mx[3],
(float) mx[4],
(float) mx[5]);
image.setAbsolutePosition(0, 0);
pattern.addImage(image);
if (fill) cb.setPatternFill(pattern);
else cb.setPatternStroke(pattern);
} catch (Exception ex) {
if (fill) cb.setColorFill(Color.gray);
else cb.setColorStroke(Color.gray);
}
} else {
try {
BufferedImage img = null;
int type = BufferedImage.TYPE_4BYTE_ABGR;
if (paint.getTransparency() == Transparency.OPAQUE) {
type = BufferedImage.TYPE_3BYTE_BGR;
}
img = new BufferedImage((int) width, (int) height, type);
Graphics2D g = (Graphics2D) img.getGraphics();
g.transform(transform);
AffineTransform inv = transform.createInverse();
Shape fillRect = new Rectangle2D.Double(0, 0, img.getWidth(), img.getHeight());
fillRect = inv.createTransformedShape(fillRect);
g.setPaint(paint);
g.fill(fillRect);
if (invert) {
AffineTransform tx = new AffineTransform();
tx.scale(1, -1);
tx.translate(-xoffset, -yoffset);
g.drawImage(img, tx, null);
}
g.dispose();
g = null;
com.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
PdfPatternPainter pattern = cb.createPattern(width, height);
image.setAbsolutePosition(0, 0);
pattern.addImage(image);
if (fill) cb.setPatternFill(pattern);
else cb.setPatternStroke(pattern);
} catch (Exception ex) {
if (fill) cb.setColorFill(Color.gray);
else cb.setColorStroke(Color.gray);
}
}
}
private boolean checkNewPaint(Paint oldPaint) {
if (paint == oldPaint) return false;
return !((paint instanceof Color) && paint.equals(oldPaint));
}
