private ArrayList<Shape> getSelectedTextBounds() {
Page currentPage = pageViewComponent.getPage();
ArrayList<Shape> highlightBounds = null;
if (currentPage != null && currentPage.isInitiated()) {
try {
PageText pageText = currentPage.getViewText();
if (pageText != null) {
// get page transformation
AffineTransform pageTransform =
currentPage.getPageTransform(
documentViewModel.getPageBoundary(),
documentViewModel.getViewRotation(),
documentViewModel.getViewZoom());
// paint the sprites
GeneralPath textPath;
ArrayList<LineText> pageLines = pageText.getPageLines();
if (pageLines != null) {
for (LineText lineText : pageLines) {
java.util.List<WordText> words = lineText.getWords();
if (words != null) {
for (WordText wordText : words) {
// paint whole word
if (wordText.isSelected() || wordText.isHighlighted()) {
textPath = new GeneralPath(wordText.getBounds());
textPath.transform(pageTransform);
// paint highlight over any selected
if (wordText.isSelected()) {
if (highlightBounds == null) {
highlightBounds = new ArrayList<Shape>();
}
highlightBounds.add(textPath.getBounds2D());
}
}
// check children
else {
for (GlyphText glyph : wordText.getGlyphs()) {
if (glyph.isSelected()) {
textPath = new GeneralPath(glyph.getBounds());
textPath.transform(pageTransform);
if (highlightBounds == null) {
highlightBounds = new ArrayList<Shape>();
}
highlightBounds.add(textPath.getBounds2D());
}
}
}
}
}
}
}
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
logger.fine("HighLightAnnotation selected text bounds calculation interrupted.");
}
}
return highlightBounds;
}
/** Render a compound glyf */
protected GeneralPath renderCompoundGlyph(GlyfTable glyf, GlyfCompound g) {
GeneralPath gp = new GeneralPath();
for (int i = 0; i < g.getNumComponents(); i++) {
// find and render the component glyf
Glyf gl = glyf.getGlyph(g.getGlyphIndex(i));
GeneralPath path = null;
if (gl instanceof GlyfSimple) {
path = renderSimpleGlyph((GlyfSimple) gl);
} else if (gl instanceof GlyfCompound) {
path = renderCompoundGlyph(glyf, (GlyfCompound) gl);
} else {
throw new RuntimeException("Unsupported glyph type " + gl.getClass().getCanonicalName());
}
// multiply the translations by units per em
double[] matrix = g.getTransform(i);
// transform the path
path.transform(new AffineTransform(matrix));
// add it to the global path
gp.append(path, false);
}
return gp;
}
/** Get the outline of a character given the glyph id */
protected synchronized GeneralPath getOutline(int glyphId, float width) {
// find the glyph itself
GlyfTable glyf = (GlyfTable) this.font.getTable("glyf");
Glyf g = glyf.getGlyph(glyphId);
GeneralPath gp = null;
if (g instanceof GlyfSimple) {
gp = renderSimpleGlyph((GlyfSimple) g);
} else if (g instanceof GlyfCompound) {
gp = renderCompoundGlyph(glyf, (GlyfCompound) g);
} else {
gp = new GeneralPath();
}
// calculate the advance
HmtxTable hmtx = (HmtxTable) this.font.getTable("hmtx");
float advance = hmtx.getAdvance(glyphId) / this.unitsPerEm;
// scale the glyph to match the desired advance
float widthfactor = width / advance;
// the base transform scales the glyph to 1x1
AffineTransform at = AffineTransform.getScaleInstance(1 / this.unitsPerEm, 1 / this.unitsPerEm);
at.concatenate(AffineTransform.getScaleInstance(widthfactor, 1));
gp.transform(at);
return gp;
}
/**
* Get a glyph outline by character code
*
* <p>Note this method must always return an outline
*
* @param src the character code of the desired glyph
* @return the glyph outline
*/
@Override
protected GeneralPath getOutline(char src, float width) {
// some true type fonts put characters in the undefined
// region of Unicode instead of as normal characters.
if (!this.f.canDisplay(src) && this.f.canDisplay((char) (src + 0xf000))) {
src += 0xf000;
}
// filter out control characters
for (int i = 0; i < controlChars.length; i++) {
if (controlChars[i] == src) {
src = (char) (0xf000 | src);
break;
}
}
char[] glyph = new char[1];
glyph[0] = src;
GlyphVector gv = this.f.createGlyphVector(this.basecontext, glyph);
GeneralPath gp = new GeneralPath(gv.getGlyphOutline(0));
// this should be gv.getGlyphMetrics(0).getAdvance(), but that is
// broken on the Mac, so we need to read the advance from the
// hmtx table in the font
CMap map = this.cmapTable.getCMap(mapIDs[0], mapIDs[1]);
int glyphID = map.map(src);
float advance = (float) this.hmtxTable.getAdvance(glyphID) / (float) this.unitsPerEm;
float widthfactor = width / advance;
gp.transform(AffineTransform.getScaleInstance(widthfactor, -1));
return gp;
}
/**
* Returns the contour of the ellipse.
*
* @return A new {@code GeneralPath} object containing the contour of the ellipse.
*/
public GeneralPath contour() {
final GeneralPath gp =
new GeneralPath(new Ellipse2D.Double(x - major, y - minor, 2 * major, 2 * minor));
final AffineTransform at = new AffineTransform();
at.rotate(angle, x, y);
gp.transform(at);
return gp;
}
public void translate(double dx, double dy) {
for (ConvexPolygonalZone.HalfPlane hp : convexPolygonalZone) hp.getOrg().translate(dx, dy);
if (allocationIntersectionPath0 == null) {
// ici la zone convexe ne coupe pas le bord du PECanvas donc on
// translate son contour tout bêtement. Il se peut que le résultat
// se mette à couper le PECanvas, dans ce cas le tireté à la
// coupure ne sera pas affiché.
if (boundaryPath0 != null) {
AffineTransform at;
boundaryPath0.transform(at = new AffineTransform(1.0, 0.0, 0.0, 1.0, dx, dy));
if (boundaryPath1 != null) boundaryPath1.transform(at);
}
} else {
// ici la zone convexe coupe le bord du PECanvas donc on recalcule
// brutalement les formes constituant sa vue.
boundaryPath0 = null;
}
// toutefois on essaie de conserver le calcul de la frontière
if (boundary != null) for (PicPoint pt : boundary.subdivisionPoints) pt.translate(dx, dy);
}