下面列出了java.awt.Graphics2D#drawGlyphVector ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
BufferedImage drawText(boolean doGV) {
int w = 400;
int h = 50;
BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g = bi.createGraphics();
g.setColor(Color.white);
g.fillRect(0,0,w,h);
g.setColor(Color.black);
Font f = helvFont.deriveFont(Font.PLAIN, 40);
g.setFont(f);
int x = 5;
int y = h - 10;
if (doGV) {
FontRenderContext frc = new FontRenderContext(null, true, true);
GlyphVector gv = f.createGlyphVector(frc, codes);
g.drawGlyphVector(gv, 5, y);
} else {
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
g.drawString(str, x, y);
}
return bi;
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
FontRenderContext frc = new FontRenderContext(null, true, true);
Font f = helvFont.deriveFont(Font.PLAIN, 40);
System.out.println("font = " +f.getFontName());
GlyphVector gv = f.createGlyphVector(frc, codes);
g.setFont(f);
g.setColor(Color.white);
g.fillRect(0,0,400,400);
g.setColor(Color.black);
g2.drawGlyphVector(gv, 5,200);
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
g2.drawString(str, 5, 250);
}
private static BufferedImage drawImage(String text) {
int HEIGHT = 50;
int WIDTH = 20;
BufferedImage bufferedImage = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_ARGB);
Graphics g = bufferedImage.createGraphics();
Graphics2D g2d = (Graphics2D) g;
g2d.setColor(Color.white);
g2d.fillRect(0, 0, WIDTH, HEIGHT);
g2d.setFont(FONT);
g2d.setColor(Color.black);
GlyphVector gv = FONT.layoutGlyphVector(g2d.getFontRenderContext(), text.toCharArray(), 0,
text.length(), Font.LAYOUT_LEFT_TO_RIGHT);
g2d.drawGlyphVector(gv, 5, 10);
return bufferedImage;
}
BufferedImage drawText(boolean doGV) {
int w = 400;
int h = 50;
BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g = bi.createGraphics();
g.setColor(Color.white);
g.fillRect(0,0,w,h);
g.setColor(Color.black);
Font f = helvFont.deriveFont(Font.PLAIN, 40);
g.setFont(f);
int x = 5;
int y = h - 10;
if (doGV) {
FontRenderContext frc = new FontRenderContext(null, true, true);
GlyphVector gv = f.createGlyphVector(frc, codes);
g.drawGlyphVector(gv, 5, y);
} else {
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
g.drawString(str, x, y);
}
return bi;
}
public static void writeImage(File fontFile, File outputFile, String value) throws Exception {
BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
Graphics2D g = image.createGraphics();
g.setColor(Color.WHITE);
g.fillRect(0, 0, image.getWidth(), image.getHeight());
g.setColor(Color.BLACK);
Font font = Font.createFont(Font.TRUETYPE_FONT, fontFile);
font = font.deriveFont(Font.PLAIN, 72f);
FontRenderContext frc = new FontRenderContext(null, false, false);
GlyphVector gv = font.createGlyphVector(frc, value);
g.drawGlyphVector(gv, 10, 80);
g.fill(gv.getOutline(10, 180));
ImageIO.write(image, "png", outputFile);
}
public void runTest(Object ctx, int numReps) {
GVContext gvctx = (GVContext)ctx;
Graphics2D g2d = gvctx.g2d;
GlyphVector gv = gvctx.gv;
do {
g2d.drawGlyphVector(gv, 40, 40);
} while (--numReps >= 0);
}
public void runTest(Object ctx, int numReps) {
GVContext gvctx = (GVContext)ctx;
Graphics2D g2d = gvctx.g2d;
GlyphVector gv = gvctx.gv;
do {
g2d.drawGlyphVector(gv, 40, 40);
} while (--numReps >= 0);
}
public void runTest(Object ctx, int numReps) {
GVContext gvctx = (GVContext)ctx;
Graphics2D g2d = gvctx.g2d;
GlyphVector gv = gvctx.gv;
do {
g2d.drawGlyphVector(gv, 40, 40);
} while (--numReps >= 0);
}
public void handleDraw(Graphics2D g, float x, float y) {
g.drawGlyphVector(getGV(), x, y);
}
public void modeSpecificDrawChar( Graphics2D g2, int charCode,
int baseX, int baseY ) {
GlyphVector gv;
int oneGlyph[] = { charCode };
char charArray[] = Character.toChars( charCode );
FontRenderContext frc = g2.getFontRenderContext();
AffineTransform oldTX = g2.getTransform();
/// Create GlyphVector to measure the exact visual advance
/// Using that number, adjust the position of the character drawn
if ( textToUse == ALL_GLYPHS )
gv = testFont.createGlyphVector( frc, oneGlyph );
else
gv = testFont.createGlyphVector( frc, charArray );
Rectangle2D r2d2 = gv.getPixelBounds(frc, 0, 0);
int shiftedX = baseX;
// getPixelBounds returns a result in device space.
// we need to convert back to user space to be able to
// calculate the shift as baseX is in user space.
try {
double pt[] = new double[4];
pt[0] = r2d2.getX();
pt[1] = r2d2.getY();
pt[2] = r2d2.getX()+r2d2.getWidth();
pt[3] = r2d2.getY()+r2d2.getHeight();
oldTX.inverseTransform(pt,0,pt,0,2);
shiftedX = baseX - (int) ( pt[2] / 2 + pt[0] );
} catch (NoninvertibleTransformException e) {
}
/// ABP - keep track of old tform, restore it later
g2.translate( shiftedX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
if ( textToUse == ALL_GLYPHS )
g2.drawGlyphVector( gv, 0f, 0f );
else {
if ( testFont.canDisplay( charCode ))
g2.setColor( Color.black );
else {
g2.setColor( Color.lightGray );
}
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( new String( charArray ), 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( charArray, 0, 1, 0, 0 );
break;
case DRAW_BYTES:
if ( charCode > 0xff )
throw new CannotDrawException( DRAW_BYTES_ERROR );
byte oneByte[] = { (byte) charCode };
g2.drawBytes( oneByte, 0, 1, 0, 0 );
break;
case DRAW_GLYPHV:
g2.drawGlyphVector( gv, 0f, 0f );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( new String( charArray ), testFont, frc );
tl.draw( g2, 0f, 0f );
break;
case GV_OUTLINE:
r2d2 = gv.getVisualBounds();
shiftedX = baseX - (int) ( r2d2.getWidth() / 2 + r2d2.getX() );
g2.draw( gv.getOutline( 0f, 0f ));
break;
case TL_OUTLINE:
r2d2 = gv.getVisualBounds();
shiftedX = baseX - (int) ( r2d2.getWidth() / 2 + r2d2.getX() );
TextLayout tlo =
new TextLayout( new String( charArray ), testFont,
g2.getFontRenderContext() );
g2.draw( tlo.getOutline( null ));
}
}
/// ABP - restore old tform
g2.setTransform ( oldTX );
}
private void modeSpecificDrawLine( Graphics2D g2, String line,
int baseX, int baseY ) {
/// ABP - keep track of old tform, restore it later
AffineTransform oldTx = null;
oldTx = g2.getTransform();
g2.translate( baseX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( line, 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( line.toCharArray(), 0, line.length(), 0, 0 );
break;
case DRAW_BYTES:
try {
byte lineBytes[] = line.getBytes( "ISO-8859-1" );
g2.drawBytes( lineBytes, 0, lineBytes.length, 0, 0 );
}
catch ( Exception e ) {
e.printStackTrace();
}
break;
case DRAW_GLYPHV:
GlyphVector gv =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.drawGlyphVector( gv, (float) 0, (float) 0 );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( line, testFont,
g2.getFontRenderContext() );
tl.draw( g2, (float) 0, (float) 0 );
break;
case GV_OUTLINE:
GlyphVector gvo =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.draw( gvo.getOutline( (float) 0, (float) 0 ));
break;
case TL_OUTLINE:
TextLayout tlo =
new TextLayout( line, testFont,
g2.getFontRenderContext() );
AffineTransform at = new AffineTransform();
g2.draw( tlo.getOutline( at ));
}
/// ABP - restore old tform
g2.setTransform ( oldTx );
}
public void modeSpecificDrawChar( Graphics2D g2, int charCode,
int baseX, int baseY ) {
GlyphVector gv;
int oneGlyph[] = { charCode };
char charArray[] = Character.toChars( charCode );
FontRenderContext frc = g2.getFontRenderContext();
AffineTransform oldTX = g2.getTransform();
/// Create GlyphVector to measure the exact visual advance
/// Using that number, adjust the position of the character drawn
if ( textToUse == ALL_GLYPHS )
gv = testFont.createGlyphVector( frc, oneGlyph );
else
gv = testFont.createGlyphVector( frc, charArray );
Rectangle2D r2d2 = gv.getPixelBounds(frc, 0, 0);
int shiftedX = baseX;
// getPixelBounds returns a result in device space.
// we need to convert back to user space to be able to
// calculate the shift as baseX is in user space.
try {
double pt[] = new double[4];
pt[0] = r2d2.getX();
pt[1] = r2d2.getY();
pt[2] = r2d2.getX()+r2d2.getWidth();
pt[3] = r2d2.getY()+r2d2.getHeight();
oldTX.inverseTransform(pt,0,pt,0,2);
shiftedX = baseX - (int) ( pt[2] / 2 + pt[0] );
} catch (NoninvertibleTransformException e) {
}
/// ABP - keep track of old tform, restore it later
g2.translate( shiftedX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
if ( textToUse == ALL_GLYPHS )
g2.drawGlyphVector( gv, 0f, 0f );
else {
if ( testFont.canDisplay( charCode ))
g2.setColor( Color.black );
else {
g2.setColor( Color.lightGray );
}
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( new String( charArray ), 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( charArray, 0, 1, 0, 0 );
break;
case DRAW_BYTES:
if ( charCode > 0xff )
throw new CannotDrawException( DRAW_BYTES_ERROR );
byte oneByte[] = { (byte) charCode };
g2.drawBytes( oneByte, 0, 1, 0, 0 );
break;
case DRAW_GLYPHV:
g2.drawGlyphVector( gv, 0f, 0f );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( new String( charArray ), testFont, frc );
tl.draw( g2, 0f, 0f );
break;
case GV_OUTLINE:
r2d2 = gv.getVisualBounds();
shiftedX = baseX - (int) ( r2d2.getWidth() / 2 + r2d2.getX() );
g2.draw( gv.getOutline( 0f, 0f ));
break;
case TL_OUTLINE:
r2d2 = gv.getVisualBounds();
shiftedX = baseX - (int) ( r2d2.getWidth() / 2 + r2d2.getX() );
TextLayout tlo =
new TextLayout( new String( charArray ), testFont,
g2.getFontRenderContext() );
g2.draw( tlo.getOutline( null ));
}
}
/// ABP - restore old tform
g2.setTransform ( oldTX );
}
public void handleDraw(Graphics2D g, float x, float y) {
g.drawGlyphVector(getGV(), x, y);
}
private void modeSpecificDrawLine( Graphics2D g2, String line,
int baseX, int baseY ) {
/// ABP - keep track of old tform, restore it later
AffineTransform oldTx = null;
oldTx = g2.getTransform();
g2.translate( baseX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( line, 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( line.toCharArray(), 0, line.length(), 0, 0 );
break;
case DRAW_BYTES:
try {
byte lineBytes[] = line.getBytes( "ISO-8859-1" );
g2.drawBytes( lineBytes, 0, lineBytes.length, 0, 0 );
}
catch ( Exception e ) {
e.printStackTrace();
}
break;
case DRAW_GLYPHV:
GlyphVector gv =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.drawGlyphVector( gv, (float) 0, (float) 0 );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( line, testFont,
g2.getFontRenderContext() );
tl.draw( g2, (float) 0, (float) 0 );
break;
case GV_OUTLINE:
GlyphVector gvo =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.draw( gvo.getOutline( (float) 0, (float) 0 ));
break;
case TL_OUTLINE:
TextLayout tlo =
new TextLayout( line, testFont,
g2.getFontRenderContext() );
AffineTransform at = new AffineTransform();
g2.draw( tlo.getOutline( at ));
}
/// ABP - restore old tform
g2.setTransform ( oldTx );
}
public void modeSpecificDrawChar( Graphics2D g2, int charCode,
int baseX, int baseY ) {
GlyphVector gv;
int oneGlyph[] = { charCode };
char charArray[] = Character.toChars( charCode );
FontRenderContext frc = g2.getFontRenderContext();
AffineTransform oldTX = g2.getTransform();
/// Create GlyphVector to measure the exact visual advance
/// Using that number, adjust the position of the character drawn
if ( textToUse == ALL_GLYPHS )
gv = testFont.createGlyphVector( frc, oneGlyph );
else
gv = testFont.createGlyphVector( frc, charArray );
Rectangle2D r2d2 = gv.getPixelBounds(frc, 0, 0);
int shiftedX = baseX;
// getPixelBounds returns a result in device space.
// we need to convert back to user space to be able to
// calculate the shift as baseX is in user space.
try {
double pt[] = new double[4];
pt[0] = r2d2.getX();
pt[1] = r2d2.getY();
pt[2] = r2d2.getX()+r2d2.getWidth();
pt[3] = r2d2.getY()+r2d2.getHeight();
oldTX.inverseTransform(pt,0,pt,0,2);
shiftedX = baseX - (int) ( pt[2] / 2 + pt[0] );
} catch (NoninvertibleTransformException e) {
}
/// ABP - keep track of old tform, restore it later
g2.translate( shiftedX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
if ( textToUse == ALL_GLYPHS )
g2.drawGlyphVector( gv, 0f, 0f );
else {
if ( testFont.canDisplay( charCode ))
g2.setColor( Color.black );
else {
g2.setColor( Color.lightGray );
}
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( new String( charArray ), 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( charArray, 0, 1, 0, 0 );
break;
case DRAW_BYTES:
if ( charCode > 0xff )
throw new CannotDrawException( DRAW_BYTES_ERROR );
byte oneByte[] = { (byte) charCode };
g2.drawBytes( oneByte, 0, 1, 0, 0 );
break;
case DRAW_GLYPHV:
g2.drawGlyphVector( gv, 0f, 0f );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( new String( charArray ), testFont, frc );
tl.draw( g2, 0f, 0f );
break;
case GV_OUTLINE:
r2d2 = gv.getVisualBounds();
shiftedX = baseX - (int) ( r2d2.getWidth() / 2 + r2d2.getX() );
g2.draw( gv.getOutline( 0f, 0f ));
break;
case TL_OUTLINE:
r2d2 = gv.getVisualBounds();
shiftedX = baseX - (int) ( r2d2.getWidth() / 2 + r2d2.getX() );
TextLayout tlo =
new TextLayout( new String( charArray ), testFont,
g2.getFontRenderContext() );
g2.draw( tlo.getOutline( null ));
}
}
/// ABP - restore old tform
g2.setTransform ( oldTX );
}
private void modeSpecificDrawLine( Graphics2D g2, String line,
int baseX, int baseY ) {
/// ABP - keep track of old tform, restore it later
AffineTransform oldTx = null;
oldTx = g2.getTransform();
g2.translate( baseX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( line, 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( line.toCharArray(), 0, line.length(), 0, 0 );
break;
case DRAW_BYTES:
try {
byte lineBytes[] = line.getBytes( "ISO-8859-1" );
g2.drawBytes( lineBytes, 0, lineBytes.length, 0, 0 );
}
catch ( Exception e ) {
e.printStackTrace();
}
break;
case DRAW_GLYPHV:
GlyphVector gv =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.drawGlyphVector( gv, (float) 0, (float) 0 );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( line, testFont,
g2.getFontRenderContext() );
tl.draw( g2, (float) 0, (float) 0 );
break;
case GV_OUTLINE:
GlyphVector gvo =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.draw( gvo.getOutline( (float) 0, (float) 0 ));
break;
case TL_OUTLINE:
TextLayout tlo =
new TextLayout( line, testFont,
g2.getFontRenderContext() );
AffineTransform at = new AffineTransform();
g2.draw( tlo.getOutline( at ));
}
/// ABP - restore old tform
g2.setTransform ( oldTx );
}
public void draw(Graphics2D g, float x, float y) {
g.drawGlyphVector(getGV(), x, y);
}
private void modeSpecificDrawLine( Graphics2D g2, String line,
int baseX, int baseY ) {
/// ABP - keep track of old tform, restore it later
AffineTransform oldTx = null;
oldTx = g2.getTransform();
g2.translate( baseX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( line, 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( line.toCharArray(), 0, line.length(), 0, 0 );
break;
case DRAW_BYTES:
try {
byte lineBytes[] = line.getBytes( "ISO-8859-1" );
g2.drawBytes( lineBytes, 0, lineBytes.length, 0, 0 );
}
catch ( Exception e ) {
e.printStackTrace();
}
break;
case DRAW_GLYPHV:
GlyphVector gv =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.drawGlyphVector( gv, (float) 0, (float) 0 );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( line, testFont,
g2.getFontRenderContext() );
tl.draw( g2, (float) 0, (float) 0 );
break;
case GV_OUTLINE:
GlyphVector gvo =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.draw( gvo.getOutline( (float) 0, (float) 0 ));
break;
case TL_OUTLINE:
TextLayout tlo =
new TextLayout( line, testFont,
g2.getFontRenderContext() );
AffineTransform at = new AffineTransform();
g2.draw( tlo.getOutline( at ));
}
/// ABP - restore old tform
g2.setTransform ( oldTx );
}
private void modeSpecificDrawLine( Graphics2D g2, String line,
int baseX, int baseY ) {
/// ABP - keep track of old tform, restore it later
AffineTransform oldTx = null;
oldTx = g2.getTransform();
g2.translate( baseX, baseY );
g2.transform( getAffineTransform( g2Transform ) );
switch ( drawMethod ) {
case DRAW_STRING:
g2.drawString( line, 0, 0 );
break;
case DRAW_CHARS:
g2.drawChars( line.toCharArray(), 0, line.length(), 0, 0 );
break;
case DRAW_BYTES:
try {
byte lineBytes[] = line.getBytes( "ISO-8859-1" );
g2.drawBytes( lineBytes, 0, lineBytes.length, 0, 0 );
}
catch ( Exception e ) {
e.printStackTrace();
}
break;
case DRAW_GLYPHV:
GlyphVector gv =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.drawGlyphVector( gv, (float) 0, (float) 0 );
break;
case TL_DRAW:
TextLayout tl = new TextLayout( line, testFont,
g2.getFontRenderContext() );
tl.draw( g2, (float) 0, (float) 0 );
break;
case GV_OUTLINE:
GlyphVector gvo =
testFont.createGlyphVector( g2.getFontRenderContext(), line );
g2.draw( gvo.getOutline( (float) 0, (float) 0 ));
break;
case TL_OUTLINE:
TextLayout tlo =
new TextLayout( line, testFont,
g2.getFontRenderContext() );
AffineTransform at = new AffineTransform();
g2.draw( tlo.getOutline( at ));
}
/// ABP - restore old tform
g2.setTransform ( oldTx );
}
protected void paintLabel(Graphics2D g) {
g.drawGlyphVector(getFirstLineGlyphs(), (float)getVisibleLocalLeft() + UI.PADDING_WITHIN_EVENTS, (float)(getLocalTop() + heightOfLabel));
}