Java TextLayout.setFont方法代码示例

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * <p>
 * Creates and initializes the text layout used to compute the size hint.
 * </p>
 * 
 * @since 3.2
 */
private void createTextLayout() {
	fTextLayout= new TextLayout(fBrowser.getDisplay());
	
	// Initialize fonts
	String symbolicFontName= fSymbolicFontName == null ? JFaceResources.DIALOG_FONT : fSymbolicFontName;
	Font font = JFaceResources.getFont(symbolicFontName);
	fTextLayout.setFont(font);
	fTextLayout.setWidth(-1);
	font = JFaceResources.getFontRegistry().getBold(symbolicFontName);
	fBoldStyle = new TextStyle(font, null, null);
	
	// Compute and set tab width
	fTextLayout.setText("    ");
	int tabWidth = fTextLayout.getBounds().width;
	fTextLayout.setTabs(new int[] {tabWidth});
	
	fTextLayout.setText("");
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * Creates and initializes the text layout used to compute the size hint.
 * 
 * @since 3.2
 */
private void createTextLayout()
{
	fTextLayout = new TextLayout(fBrowser.getDisplay());

	// Initialize fonts
	String symbolicFontName = fSymbolicFontName == null ? JFaceResources.DIALOG_FONT : fSymbolicFontName;
	Font font = JFaceResources.getFont(symbolicFontName);
	fTextLayout.setFont(font);
	fTextLayout.setWidth(-1);
	font = JFaceResources.getFontRegistry().getBold(symbolicFontName);
	fBoldStyle = new TextStyle(font, null, null);

	// Compute and set tab width
	fTextLayout.setText("    "); //$NON-NLS-1$
	int tabWidth = fTextLayout.getBounds().width;
	fTextLayout.setTabs(new int[] { tabWidth });
	fTextLayout.setText(""); //$NON-NLS-1$
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
public TextLayout getTextLayout(GC gc, GridItem item, int columnIndex, boolean innerTagStyled, boolean drawInnerTag) {
	TextLayout layout = new TextLayout(gc.getDevice());
	layout.setFont(font);
	layout.setTabs(new int[]{tabWidth});
	innerTagFactory.reset();
	
	String displayStr = "";
	try{
		displayStr = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag(item.getText(columnIndex)));
	}catch (NullPointerException e) {
		return null;
	}
	layout.setText(displayStr);
	int width = getBounds().width - leftMargin - rightMargin;
	layout.setWidth(width < 1 ? 1 : width);
	layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
	layout.setAlignment(SWT.LEFT);
	layout.setOrientation(item.getParent().getOrientation());
	if (displayStr.length() != 0 && innerTagStyled) {
		attachInnertTagStyle(gc, layout, drawInnerTag);
	}
	return layout;
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
public TextLayout getTextLayout(GC gc, GridItem item, int columnIndex, boolean innerTagStyled, boolean drawInnerTag) {
	TextLayout layout = new TextLayout(gc.getDevice());
	layout.setFont(JFaceResources.getFont(net.heartsome.cat.ts.ui.Constants.MATCH_VIEWER_TEXT_FONT));
	innerTagFactory.reset();
	
	String displayStr = "";
	try{
		displayStr = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag(item.getText(columnIndex)));
	}catch (NullPointerException e) {
		return null;
	}
	layout.setText(displayStr);
	int width = getBounds().width - leftMargin - rightMargin;
	layout.setWidth(width < 1 ? 1 : width);
	layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
	layout.setAlignment(SWT.LEFT);

	if (displayStr.length() != 0 && innerTagStyled) {
		attachInnertTagStyle(gc, layout, drawInnerTag);
	}
	return layout;
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
Point getPointInBox(TextFragmentBox box, int offset, int index,
		boolean trailing) {
	offset -= box.offset;
	offset = Math.min(box.length, offset);
	Point result = new Point(0, box.getTextTop());
	if (bidiInfo == null) {
		if (trailing && offset < box.length)
			offset++;
		String substring = getText().substring(box.offset,
				box.offset + offset);
		result.x = getTextUtilities().getTextExtents(substring, getFont()).width;
	} else {
		TextLayout layout = FlowUtilities.getTextLayout();
		layout.setFont(getFont());
		String fragString = getBidiSubstring(box, index);
		layout.setText(fragString);
		offset += getBidiPrefixLength(box, index);
		result.x = layout.getLocation(offset, trailing).x;
		if (isMirrored())
			result.x = box.width - result.x;
	}
	result.x += box.getX();
	return result;
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * Convenience method
 * 
 * @param inWidget
 *            {@link StyledText}
 * @return {@link PaintObjectListener}
 */
public static PaintObjectListener getPaintObjectListener(
        final StyledText inWidget) {
	return new PaintObjectListener() {
		@Override
		public void paintObject(final PaintObjectEvent inEvent) {
			final Display lDisplay = inEvent.display;
			final StyleRange lStyle = inEvent.style;
			final int lPosition = inEvent.x + lStyle.metrics.width
			        - BULLET_WIDTH + 2;
			Font lFont = lStyle.font;
			if (lFont == null)
				lFont = inWidget.getFont();
			final TextLayout lLayout = new TextLayout(lDisplay);
			lLayout.setAscent(inEvent.ascent);
			lLayout.setDescent(inEvent.descent);
			lLayout.setFont(lFont);
			lLayout.setText(String.format("%s.", inEvent.bulletIndex + 1)); //$NON-NLS-1$
			lLayout.draw(inEvent.gc, lPosition, inEvent.y);
			lLayout.dispose();
		}
	};
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * @param frag
 * @param string
 * @param font
 * @since 3.1
 */
private static void initBidi(TextFragmentBox frag, String string, Font font) {
	if (frag.requiresBidi()) {
		TextLayout textLayout = getTextLayout();
		textLayout.setFont(font);
		// $TODO need to insert overrides in front of string.
		textLayout.setText(string);
	}
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * @see TextLayout#getBounds()
 */
protected Rectangle getTextLayoutBounds(String s, Font f, int start, int end) {
	TextLayout textLayout = getTextLayout();
	textLayout.setFont(f);
	textLayout.setText(s);
	return textLayout.getBounds(start, end);
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * Calculates the width taken up by the given text before a line-break is
 * encountered.
 * 
 * @param text
 *            the text in which the break is to be found
 * @param width
 *            the width before the next line-break (if one's found; the
 *            width of all the given text, otherwise) will be added on to
 *            the first int in the given array
 * @return <code>true</code> if a line-break was found
 * @since 3.1
 */
boolean addLeadingWordWidth(String text, int[] width) {
	if (text.length() == 0)
		return false;
	// if (Character.isWhitespace(text.charAt(0)))
	// return true;

	text = 'a' + text + 'a';
	// TODO: GEFGWT commented out
	// FlowUtilities.LINE_BREAK.setText(text);
	// int index = FlowUtilities.LINE_BREAK.next() - 1;
	int index = 0;
	// GEFGWT commented out

	if (index == 0)
		return true;
	// while (Character.isWhitespace(text.charAt(index)))
	// index--;
	// boolean result = index < text.length() - 1;
	// index should point to the end of the actual text (not including the
	// 'a' that was
	// appended), if there were no breaks
	if (index == text.length() - 1)
		index--;
	text = text.substring(1, index + 1);

	if (bidiInfo == null)
		width[0] += getTextUtilities().getTextExtents(text, getFont()).width;
	else {
		TextLayout textLayout = FlowUtilities.getTextLayout();
		textLayout.setFont(getFont());
		textLayout.setText(text);
		width[0] += textLayout.getBounds().width;
	}
	return true;
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
protected void paintText(Graphics g, String draw, int x, int y,
		int bidiLevel) {
	if (bidiLevel == -1) {
		g.drawText(draw, x, y);
	} else {
		TextLayout tl = FlowUtilities.getTextLayout();
		if (isMirrored())
			tl.setOrientation(SWT.RIGHT_TO_LEFT);
		tl.setFont(g.getFont());
		tl.setText(draw);
		g.drawTextLayout(tl, x, y);
	}
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * @param layout
 * @param cell
 * @param applyColors
 * @return the text width delta (0 if the text layout contains no other font)
 */
private int updateTextLayout(TextLayout layout, ViewerCell cell,
		boolean applyColors) {
	layout.setStyle(null, 0, Integer.MAX_VALUE); // clear old styles

	layout.setText(cell.getText());
	layout.setFont(cell.getFont()); // set also if null to clear previous usages
	
	int originalTextWidth = layout.getBounds().width; // text width without any styles
	boolean containsOtherFont= false;
	
	StyleRange[] styleRanges = cell.getStyleRanges();
	if (styleRanges != null) { // user didn't fill styled ranges
		for (int i = 0; i < styleRanges.length; i++) {
			StyleRange curr = prepareStyleRange(styleRanges[i], applyColors);
			layout.setStyle(curr, curr.start, curr.start + curr.length - 1);
			if (curr.font != null) {
				containsOtherFont= true;
			}
		}
	}
	int textWidthDelta = 0;
	if (containsOtherFont) {
		textWidthDelta = layout.getBounds().width - originalTextWidth;
	}
	return textWidthDelta;
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
private TextLayout getCellTextLayout(LayerCell cell) {
	int orientation = editor.getTable().getStyle() & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT);
	TextLayout layout = new TextLayout(editor.getTable().getDisplay());
	layout.setOrientation(orientation);
	layout.setSpacing(Constants.SEGMENT_LINE_SPACING);
	layout.setFont(font);
	layout.setAscent(ascent);
	layout.setDescent(descent); // 和 StyledTextEditor 同步
	layout.setTabs(new int[] { tabWidth });

	Rectangle rectangle = cell.getBounds();
	int width = rectangle.width - leftPadding - rightPadding;
	width -= 1;
	if (wrapText && width > 0) {
		layout.setWidth(width);
	}

	String displayText = InnerTagUtil.resolveTag(innerTagFactory.parseInnerTag((String) cell.getDataValue()));
	if (XliffEditorParameter.getInstance().isShowNonpirnttingCharacter()) {
		displayText = displayText.replaceAll("\\n", Constants.LINE_SEPARATOR_CHARACTER + "\n");
		displayText = displayText.replaceAll("\\t", Constants.TAB_CHARACTER + "");
		displayText = displayText.replaceAll(" ", Constants.SPACE_CHARACTER + "");
	}
	layout.setText(displayText);
	List<InnerTagBean> innerTagBeans = innerTagFactory.getInnerTagBeans();
	for (InnerTagBean innerTagBean : innerTagBeans) {
		String placeHolder = placeHolderBuilder.getPlaceHolder(innerTagBeans, innerTagBeans.indexOf(innerTagBean));
		int start = displayText.indexOf(placeHolder);
		if (start == -1) {
			continue;
		}
		TextStyle style = new TextStyle();
		Point rect = tagRender.calculateTagSize(innerTagBean);
		style.metrics = new GlyphMetrics(rect.y, 0, rect.x + SEGMENT_LINE_SPACING * 2);
		layout.setStyle(style, start, start + placeHolder.length() - 1);
	}

	return layout;
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
public Point computeSize(GC gc, int wHint, int hHint, Object value) {
	GridItem item = (GridItem) value;

	gc.setFont(item.getFont(getColumn()));

	int x = 0;

	x += leftMargin;

	if (isTree()) {
		x += getToggleIndent(item);

		x += toggleRenderer.getBounds().width + insideMargin;

	}

	if (isCheck()) {
		x += checkRenderer.getBounds().width + insideMargin;
	}

	int y = 0;

	Image image = item.getImage(getColumn());
	if (image != null) {
		y = topMargin + image.getBounds().height + bottomMargin;

		x += image.getBounds().width + insideMargin;
	}

	// MOPR-DND
	// MOPR: replaced this code (to get correct preferred height for cells
	// in word-wrap columns)
	//
	// x += gc.stringExtent(item.getText(column)).x + rightMargin;
	//
	// y = Math.max(y,topMargin + gc.getFontMetrics().getHeight() +
	// bottomMargin);
	//
	// with this code:

	int textHeight = 0;
	if (!isWordWrap()) {
		x += gc.textExtent(item.getText(getColumn())).x + rightMargin;

		textHeight = topMargin + textTopMargin + gc.getFontMetrics().getHeight() + textBottomMargin + bottomMargin;
	} else {
		int plainTextWidth;
		if (wHint == SWT.DEFAULT)
			plainTextWidth = getBounds().width - x - rightMargin;
		else
			plainTextWidth = wHint - x - rightMargin;

		TextLayout currTextLayout = new TextLayout(gc.getDevice());
		currTextLayout.setFont(gc.getFont());
		currTextLayout.setText(item.getText(getColumn()));
		currTextLayout.setAlignment(getAlignment());
		currTextLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

		x += plainTextWidth + rightMargin;

		textHeight += topMargin + textTopMargin;
		for (int cnt = 0; cnt < currTextLayout.getLineCount(); cnt++)
			textHeight += currTextLayout.getLineBounds(cnt).height;
		textHeight += textBottomMargin + bottomMargin;

		currTextLayout.dispose();
	}

	y = Math.max(y, textHeight);

	return new Point(x, y);
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
public Point computeSize(GC gc, int wHint, int hHint, Object value) {
	GridItem item = (GridItem) value;

	gc.setFont(item.getFont(getColumn()));

	int x = 0;

	x += leftMargin;

	int y = 0;

	Image image = item.getImage(getColumn());
	if (image != null) {
		y = topMargin + image.getBounds().height + bottomMargin;

		x += image.getBounds().width + 3;
	}

	// MOPR-DND
	// MOPR: replaced this code (to get correct preferred height for cells in word-wrap columns)
	//
	// x += gc.stringExtent(item.getText(column)).x + rightMargin;
	//
	// y = Math.max(y,topMargin + gc.getFontMetrics().getHeight() + bottomMargin);
	//
	// with this code:

	int textHeight = 0;
	if (!isWordWrap()) {
		x += gc.textExtent(item.getText(getColumn())).x + rightMargin;

		textHeight = topMargin + textTopMargin + gc.getFontMetrics().getHeight() + textBottomMargin + bottomMargin;
	} else {
		int plainTextWidth;
		if (wHint == SWT.DEFAULT)
			plainTextWidth = getBounds().width - x - rightMargin;
		else
			plainTextWidth = wHint - x - rightMargin;

		TextLayout currTextLayout = new TextLayout(gc.getDevice());
		currTextLayout.setFont(gc.getFont());
		currTextLayout.setText(item.getText(getColumn()));
		currTextLayout.setAlignment(getAlignment());
		currTextLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

		x += plainTextWidth + rightMargin;

		textHeight += topMargin + textTopMargin;
		for (int cnt = 0; cnt < currTextLayout.getLineCount(); cnt++)
			textHeight += currTextLayout.getLineBounds(cnt).height;
		textHeight += textBottomMargin + bottomMargin;

		currTextLayout.dispose();
	}

	y = Math.max(y, textHeight);

	return new Point(x, y);
}
 

import org.eclipse.swt.graphics.TextLayout; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
public Point computeSize(GC gc, int wHint, int hHint, Object value) {
	GridItem item = (GridItem) value;

	gc.setFont(item.getFont(getColumn()));

	int x = 0;

	x += leftMargin;

	int y = 0;

	Image image = item.getImage(getColumn());
	if (image != null) {
		y = topMargin + image.getBounds().height + bottomMargin;
	}

	// MOPR-DND
	// MOPR: replaced this code (to get correct preferred height for cells in word-wrap columns)
	//
	// x += gc.stringExtent(item.getText(column)).x + rightMargin;
	//
	// y = Math.max(y,topMargin + gc.getFontMetrics().getHeight() + bottomMargin);
	//
	// with this code:

	int textHeight = 0;
	if (!isWordWrap()) {
		x += gc.textExtent(item.getText(getColumn())).x + rightMargin;

		textHeight = topMargin + textTopMargin + gc.getFontMetrics().getHeight() + textBottomMargin + bottomMargin;
	} else {
		int plainTextWidth;
		if (wHint == SWT.DEFAULT)
			plainTextWidth = getBounds().width - x - rightMargin;
		else
			plainTextWidth = wHint - x - rightMargin;

		TextLayout currTextLayout = new TextLayout(gc.getDevice());
		currTextLayout.setFont(gc.getFont());
		currTextLayout.setText(item.getText(getColumn()));
		currTextLayout.setAlignment(getAlignment());
		currTextLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

		x += plainTextWidth + rightMargin;

		textHeight += topMargin + textTopMargin;
		for (int cnt = 0; cnt < currTextLayout.getLineCount(); cnt++)
			textHeight += currTextLayout.getLineBounds(cnt).height;
		textHeight += textBottomMargin + bottomMargin;

		currTextLayout.dispose();
	}

	y = Math.max(y, textHeight);

	return new Point(x, y);
}