本文整理汇总了Java中java.awt.font.TextLayout类的典型用法代码示例。如果您正苦于以下问题:Java TextLayout类的具体用法?Java TextLayout怎么用?Java TextLayout使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
TextLayout类属于java.awt.font包,在下文中一共展示了TextLayout类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: paint
import java.awt.font.TextLayout; //导入依赖的package包/类
@Override
public void paint(Graphics g) {
Dimension d = vv.getSize();
FontRenderContext frc = ((Graphics2D) g).getFontRenderContext();
Font f = new Font("Times", Font.BOLD, 30);
TextLayout tl = new TextLayout(str, f, frc);
AffineTransform transform = new AffineTransform();
transform.setToTranslation(d.width / 2, d.height / 2);
transform.rotate(Math.toRadians(315));
Shape shape = tl.getOutline(transform);
g.translate(-shape.getBounds().width / 2,
shape.getBounds().height / 2);
g.setColor(Color.lightGray);
((Graphics2D) g).draw(shape);
}
示例2: getPreferredSpan
import java.awt.font.TextLayout; //导入依赖的package包/类
@Override
public float getPreferredSpan(int axis) {
if (axis == View.X_AXIS) {
String desc = fold.getDescription(); // For empty desc a single-space text layout is returned
float advance = 0;
if (desc.length() > 0) {
TextLayout textLayout = getTextLayout();
if (textLayout == null) {
return 0f;
}
advance = textLayout.getAdvance();
}
return advance + (2 * EXTRA_MARGIN_WIDTH);
} else {
EditorView.Parent parent = (EditorView.Parent) getParent();
return (parent != null) ? parent.getViewRenderContext().getDefaultRowHeight() : 0f;
}
}
示例3: runTest
import java.awt.font.TextLayout; //导入依赖的package包/类
public void runTest(Object ctx, int numReps) {
TLExContext tlctx = (TLExContext)ctx;
TextLayout tl = tlctx.tl;
TextHitInfo[] hits = tlctx.hits;
Rectangle2D lb = tlctx.lb;
Shape s;
if (hits.length < 3) {
do {
s = tl.getVisualHighlightShape(hits[0], hits[hits.length - 1], lb);
} while (--numReps >= 0);
} else {
do {
for (int i = 3; i < hits.length; ++i) {
s = tl.getVisualHighlightShape(hits[i-3], hits[i], lb);
}
} while (--numReps >= 0);
}
}
示例4: drawString
import java.awt.font.TextLayout; //导入依赖的package包/类
public void drawString(AttributedCharacterIterator iterator,
float x, float y) {
if (iterator == null) {
throw new NullPointerException("AttributedCharacterIterator is null");
}
if (iterator.getBeginIndex() == iterator.getEndIndex()) {
return; /* nothing to draw */
}
TextLayout tl = new TextLayout(iterator, getFontRenderContext());
tl.draw(this, x, y);
}
示例5: getRealAlloc
import java.awt.font.TextLayout; //导入依赖的package包/类
/**
* Get real allocation (possibly not rectangular) of a part of layout.
* <br>
* It's used when rendering the text layout for filling background highlights of the view.
*
* @param length Total number of characters for which the allocation is computed.
* @param alloc Allocation given by a parent view.
* @return
*/
public static Shape getRealAlloc(TextLayout textLayout, Rectangle2D textLayoutRect,
TextHitInfo startHit, TextHitInfo endHit)
{
// Quick-fix to eliminate missing line in rendering italic "d" - more elaborate fix is needed
textLayoutRect = new Rectangle2D.Double(textLayoutRect.getX(), textLayoutRect.getY(),
textLayoutRect.getWidth() + 2, textLayoutRect.getHeight());
Rectangle2D.Double zeroBasedRect = ViewUtils.shape2Bounds(textLayoutRect);
zeroBasedRect.x = 0;
zeroBasedRect.y = 0;
Shape ret = textLayout.getVisualHighlightShape(startHit, endHit, zeroBasedRect);
AffineTransform transform = AffineTransform.getTranslateInstance(
textLayoutRect.getX(),
textLayoutRect.getY()
);
ret = transform.createTransformedShape(ret);
// The following gives bad result for some reason (works for layout but not for caret modelToView())
// Shape ret2 = textLayout.getVisualHighlightShape(startHit.getCharIndex(), endHit.getCharIndex(), textLayoutRect);
return ret;
}
示例6: createPartTextLayout
import java.awt.font.TextLayout; //导入依赖的package包/类
TextLayout createPartTextLayout(int shift, int length) {
checkTextLayoutValid();
if (breakInfo == null) {
breakInfo = new TextLayoutBreakInfo(textLayout.getCharacterCount());
}
TextLayout partTextLayout = breakInfo.findPartTextLayout(shift, length);
if (partTextLayout == null) {
DocumentView docView = getDocumentView();
Document doc = docView.getDocument();
CharSequence docText = DocumentUtilities.getText(doc);
int startOffset = getStartOffset();
String text = docText.subSequence(startOffset + shift, startOffset + shift + length).toString();
if (docView.op.isNonPrintableCharactersVisible()) {
text = text.replace(' ', DocumentViewOp.PRINTING_SPACE);
}
AttributeSet attrs = ViewUtils.getFirstAttributes(getAttributes());
Font font = ViewUtils.getFont(attrs, docView.op.getDefaultFont());
partTextLayout = docView.op.createTextLayout(text, font);
breakInfo.add(shift, length, partTextLayout);
}
return partTextLayout;
}
示例7: indexToView
import java.awt.font.TextLayout; //导入依赖的package包/类
static Shape indexToView(TextLayout textLayout, Rectangle2D textLayoutBounds,
int index, Position.Bias bias, int maxIndex, Shape alloc)
{
if (textLayout == null) {
return alloc; // Leave given bounds
}
assert (maxIndex <= textLayout.getCharacterCount()) : "textLayout.getCharacterCount()=" + // NOI18N
textLayout.getCharacterCount() + " < maxIndex=" + maxIndex; // NOI18N
// If offset is >getEndOffset() use view-end-offset - otherwise it would throw exception from textLayout.getCaretInfo()
int charIndex = Math.min(index, maxIndex);
// When e.g. creating fold-preview the offset can be < startOffset
charIndex = Math.max(charIndex, 0);
TextHitInfo startHit;
TextHitInfo endHit;
if (bias == Position.Bias.Forward) {
startHit = TextHitInfo.leading(charIndex);
} else { // backward bias
startHit = TextHitInfo.trailing(charIndex - 1);
}
endHit = (charIndex < maxIndex) ? TextHitInfo.trailing(charIndex) : startHit;
if (textLayoutBounds == null) {
textLayoutBounds = ViewUtils.shapeAsRect(alloc);
}
return TextLayoutUtils.getRealAlloc(textLayout, textLayoutBounds, startHit, endHit);
}
示例8: getTextLayout
import java.awt.font.TextLayout; //导入依赖的package包/类
private TextLayout getTextLayout() {
if (collapsedTextLayout == null) {
EditorView.Parent parent = (EditorView.Parent) getParent();
ViewRenderContext context = parent.getViewRenderContext();
FontRenderContext frc = context.getFontRenderContext();
assert (frc != null) : "Null FontRenderContext"; // NOI18N
Font font = context.getRenderFont(component.getFont());
StringBuilder sb = new StringBuilder();
for (int i = 0; i < indent; i++) {
sb.append(' ');
}
sb.append("...");
String text = sb.toString();
collapsedTextLayout = new TextLayout(text, font, frc);
}
return collapsedTextLayout;
}
示例9: main
import java.awt.font.TextLayout; //导入依赖的package包/类
public static void main(String args[]) {
Font font = new Font(Font.DIALOG, Font.PLAIN, 12);
String text = "hello world";
FontRenderContext frc = new FontRenderContext(null, false, false);
TextLayout tl1 = new TextLayout(text, font, frc);
TextLayout tl2 = new TextLayout(text, font, frc);
if (tl1.equals(tl2) ||
tl2.equals(tl1) ||
tl1.equals((Object)tl2) ||
tl2.equals((Object)tl1))
{
throw new RuntimeException("Equal TextLayouts");
}
if (!tl1.equals(tl1) ||
!tl1.equals((Object)tl1))
{
throw new RuntimeException("Non-Equal TextLayouts");
}
}
示例10: drawStringUsingShapes
import java.awt.font.TextLayout; //导入依赖的package包/类
private void drawStringUsingShapes(AttributedCharacterIterator iterator, float x, float y) {
Stroke originalStroke = stroke;
Paint originalPaint = paint;
TextLayout textLayout = new TextLayout(iterator, getFontRenderContext());
textLayout.draw(this, x, y);
paint = originalPaint;
stroke = originalStroke;
}
示例11: getPreferredSize
import java.awt.font.TextLayout; //导入依赖的package包/类
@Override
public Dimension getPreferredSize(JComponent c) {
String tipText = ((JToolTip)c).getTipText();
if (tipText == null || tipText.isEmpty()) {
return new Dimension(0, 0);
}
float x = 0f;
float y = 0f;
for (String line : lineBreak.split(tipText)) {
if (line.isEmpty()) {
y += LEADING;
continue;
}
AttributedCharacterIterator styledText
= new AttributedString(line).getIterator();
LineBreakMeasurer measurer = new LineBreakMeasurer(styledText, frc);
while (measurer.getPosition() < styledText.getEndIndex()) {
TextLayout layout = measurer.nextLayout(maximumWidth);
x = Math.max(x, layout.getVisibleAdvance());
y += layout.getAscent() + layout.getDescent() + layout.getLeading();
}
}
return new Dimension((int) (x + 2 * margin),
(int) (y + 2 * margin));
}
示例12: runTest
import java.awt.font.TextLayout; //导入依赖的package包/类
public void runTest(Object ctx, int numReps) {
TLExContext tlctx = (TLExContext)ctx;
TextLayout tl = tlctx.tl;
int len = tlctx.text.length();
Rectangle2D lb = tlctx.lb;
Shape s;
if (len < 3) {
do {
s = tl.getLogicalHighlightShape(0, len, lb);
} while (--numReps >= 0);
} else {
do {
for (int i = 3; i < len; ++i) {
s = tl.getLogicalHighlightShape(i-3, i, lb);
}
} while (--numReps >= 0);
}
}
示例13: getCaretRectangle
import java.awt.font.TextLayout; //导入依赖的package包/类
private Rectangle getCaretRectangle(TextHitInfo caret) {
int caretLocation = 0;
TextLayout layout = composedTextLayout;
if (layout != null) {
caretLocation = Math.round(layout.getCaretInfo(caret)[0]);
}
Graphics g = getGraphics();
FontMetrics metrics = null;
try {
metrics = g.getFontMetrics();
} finally {
g.dispose();
}
return new Rectangle(TEXT_ORIGIN_X + caretLocation,
TEXT_ORIGIN_Y - metrics.getAscent(),
0, metrics.getAscent() + metrics.getDescent());
}
示例14: render
import java.awt.font.TextLayout; //导入依赖的package包/类
@Override
public void render(final Graphics2D g) {
if (this.displayedText == null || this.displayedText.isEmpty() || !Game.getRenderEngine().canRender(this.entity)) {
return;
}
final Point2D location = Game.getCamera().getViewPortLocation(this.entity);
RenderEngine.renderImage(g, this.bubble, new Point2D.Double(location.getX() + this.entity.getWidth() / 2.0 - this.textBoxWidth / 2.0 - PADDING, location.getY() - this.height - PADDING));
g.setColor(SPEAK_FONT_COLOR);
final FontRenderContext frc = g.getFontRenderContext();
final String text = this.displayedText;
final AttributedString styledText = new AttributedString(text);
styledText.addAttribute(TextAttribute.FONT, this.font);
final AttributedCharacterIterator iterator = styledText.getIterator();
final LineBreakMeasurer measurer = new LineBreakMeasurer(iterator, frc);
measurer.setPosition(0);
final float x = (float) Game.getCamera().getViewPortLocation(this.entity).getX() + this.entity.getWidth() / 2.0f - this.textBoxWidth / 2.0f;
float y = (float) Game.getCamera().getViewPortLocation(this.entity).getY() - this.height;
while (measurer.getPosition() < text.length()) {
final TextLayout layout = measurer.nextLayout(this.textBoxWidth);
y += layout.getAscent();
final float dx = layout.isLeftToRight() ? 0 : this.textBoxWidth - layout.getAdvance();
layout.draw(g, x + dx, y);
y += layout.getDescent() + layout.getLeading();
}
}
示例15: computeDimensions
import java.awt.font.TextLayout; //导入依赖的package包/类
private void computeDimensions(Graphics g, Font font, FontMetrics fm) {
String s = text;
FontRenderContext frc = ((Graphics2D) g).getFontRenderContext();
width = fm.stringWidth(s);
ascent = fm.getAscent();
descent = fm.getDescent();
int[] xs = new int[s.length()];
int[] ys = new int[s.length()];
for (int i = 0; i < xs.length; i++) {
xs[i] = fm.stringWidth(s.substring(0, i + 1));
TextLayout lay = new TextLayout(s.substring(i, i + 1), font, frc);
Rectangle2D rect = lay.getBounds();
int asc = (int) Math.ceil(-rect.getMinY());
int desc = (int) Math.ceil(rect.getMaxY());
if (asc < 0)
asc = 0;
if (asc > 0xFFFF)
asc = 0xFFFF;
if (desc < 0)
desc = 0;
if (desc > 0xFFFF)
desc = 0xFFFF;
ys[i] = (asc << 16) | desc;
}
charX = xs;
charY = ys;
dimsKnown = true;
}