/** * Create a TextLine from the Font and character data over the * range. The range is relative to both the StyledParagraph and the * character array. */ public static TextLine createLineFromText(char[] chars, StyledParagraph styledParagraph, TextLabelFactory factory, boolean isDirectionLTR, float[] baselineOffsets) { factory.setLineContext(0, chars.length); Bidi lineBidi = factory.getLineBidi(); int[] charsLtoV = null; byte[] levels = null; if (lineBidi != null) { levels = BidiUtils.getLevels(lineBidi); int[] charsVtoL = BidiUtils.createVisualToLogicalMap(levels); charsLtoV = BidiUtils.createInverseMap(charsVtoL); } TextLineComponent[] components = getComponents(styledParagraph, chars, 0, chars.length, charsLtoV, levels, factory); return new TextLine(factory.getFontRenderContext(), components, baselineOffsets, chars, 0, chars.length, charsLtoV, levels, isDirectionLTR); }
/** * Create a TextLine from the text. chars is just the text in the iterator. */ public static TextLine standardCreateTextLine(FontRenderContext frc, AttributedCharacterIterator text, char[] chars, float[] baselineOffsets) { StyledParagraph styledParagraph = new StyledParagraph(text, chars); Bidi bidi = new Bidi(text); if (bidi.isLeftToRight()) { bidi = null; } int layoutFlags = 0; // no extra info yet, bidi determines run and line direction TextLabelFactory factory = new TextLabelFactory(frc, chars, bidi, layoutFlags); boolean isDirectionLTR = true; if (bidi != null) { isDirectionLTR = bidi.baseIsLeftToRight(); } return createLineFromText(chars, styledParagraph, factory, isDirectionLTR, baselineOffsets); }
/** * Generate components for the paragraph. fChars, fBidi should have been * initialized already. */ private void generateComponents(int startingAt, int endingAt) { if (collectStats) { formattedChars += (endingAt-startingAt); } int layoutFlags = 0; // no extra info yet, bidi determines run and line direction TextLabelFactory factory = new TextLabelFactory(fFrc, fChars, fBidi, layoutFlags); int[] charsLtoV = null; if (fBidi != null) { fLevels = BidiUtils.getLevels(fBidi); int[] charsVtoL = BidiUtils.createVisualToLogicalMap(fLevels); charsLtoV = BidiUtils.createInverseMap(charsVtoL); fIsDirectionLTR = fBidi.baseIsLeftToRight(); } else { fLevels = null; fIsDirectionLTR = true; } try { fComponents = TextLine.getComponents( fParagraph, fChars, startingAt, endingAt, charsLtoV, fLevels, factory); } catch(IllegalArgumentException e) { System.out.println("startingAt="+startingAt+"; endingAt="+endingAt); System.out.println("fComponentLimit="+fComponentLimit); throw e; } fComponentStart = startingAt; fComponentLimit = endingAt; //debugFormatCount += (endingAt-startingAt); }