Java Code Examples for java.awt.geom.AffineTransform#inverseTransform()
The following examples show how to use
java.awt.geom.AffineTransform#inverseTransform() .
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Example 1
| Source File: StandardGlyphVector.java From hottub with GNU General Public License v2.0 | 6 votes |
|
/**
* !!! not used currently, but might be by getPixelbounds?
*/
public void pixellate(FontRenderContext renderFRC, Point2D loc, Point pxResult) {
if (renderFRC == null) {
renderFRC = frc;
}
// it is a total pain that you have to copy the transform.
AffineTransform at = renderFRC.getTransform();
at.transform(loc, loc);
pxResult.x = (int)loc.getX(); // but must not behave oddly around zero
pxResult.y = (int)loc.getY();
loc.setLocation(pxResult.x, pxResult.y);
try {
at.inverseTransform(loc, loc);
}
catch (NoninvertibleTransformException e) {
throw new IllegalArgumentException("must be able to invert frc transform");
}
}
Example 2
| Source File: StandardGlyphVector.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
/**
* !!! not used currently, but might be by getPixelbounds?
*/
public void pixellate(FontRenderContext renderFRC, Point2D loc, Point pxResult) {
if (renderFRC == null) {
renderFRC = frc;
}
// it is a total pain that you have to copy the transform.
AffineTransform at = renderFRC.getTransform();
at.transform(loc, loc);
pxResult.x = (int)loc.getX(); // but must not behave oddly around zero
pxResult.y = (int)loc.getY();
loc.setLocation(pxResult.x, pxResult.y);
try {
at.inverseTransform(loc, loc);
}
catch (NoninvertibleTransformException e) {
throw new IllegalArgumentException("must be able to invert frc transform");
}
}
Example 3
| Source File: StandardGlyphVector.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* !!! not used currently, but might be by getPixelbounds?
*/
public void pixellate(FontRenderContext renderFRC, Point2D loc, Point pxResult) {
if (renderFRC == null) {
renderFRC = frc;
}
// it is a total pain that you have to copy the transform.
AffineTransform at = renderFRC.getTransform();
at.transform(loc, loc);
pxResult.x = (int)loc.getX(); // but must not behave oddly around zero
pxResult.y = (int)loc.getY();
loc.setLocation(pxResult.x, pxResult.y);
try {
at.inverseTransform(loc, loc);
}
catch (NoninvertibleTransformException e) {
throw new IllegalArgumentException("must be able to invert frc transform");
}
}
Example 4
| Source File: MagicWandInteractor.java From snap-desktop with GNU General Public License v3.0 | 6 votes |
|
Point getPixelPos(Product product, MouseEvent event) {
final Point2D mp = toModelPoint(event);
final Point2D ip;
if (product.getSceneGeoCoding() != null) {
AffineTransform transform = Product.findImageToModelTransform(product.getSceneGeoCoding());
try {
ip = transform.inverseTransform(mp, null);
} catch (NoninvertibleTransformException e) {
Dialogs.showError(DIALOG_TITLE, "A geographic transformation problem occurred:\n" + e.getMessage());
return null;
}
} else {
ip = mp;
}
final int pixelX = (int) ip.getX();
final int pixelY = (int) ip.getY();
if (pixelX < 0
|| pixelY < 0
|| pixelX >= product.getSceneRasterWidth()
|| pixelY >= product.getSceneRasterHeight()) {
return null;
}
return new Point(pixelX, pixelY);
}
Example 5
| Source File: StandardGlyphVector.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* !!! not used currently, but might be by getPixelbounds?
*/
public void pixellate(FontRenderContext renderFRC, Point2D loc, Point pxResult) {
if (renderFRC == null) {
renderFRC = frc;
}
// it is a total pain that you have to copy the transform.
AffineTransform at = renderFRC.getTransform();
at.transform(loc, loc);
pxResult.x = (int)loc.getX(); // but must not behave oddly around zero
pxResult.y = (int)loc.getY();
loc.setLocation(pxResult.x, pxResult.y);
try {
at.inverseTransform(loc, loc);
}
catch (NoninvertibleTransformException e) {
throw new IllegalArgumentException("must be able to invert frc transform");
}
}
Example 6
| Source File: StandardGlyphVector.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* !!! not used currently, but might be by getPixelbounds?
*/
public void pixellate(FontRenderContext renderFRC, Point2D loc, Point pxResult) {
if (renderFRC == null) {
renderFRC = frc;
}
// it is a total pain that you have to copy the transform.
AffineTransform at = renderFRC.getTransform();
at.transform(loc, loc);
pxResult.x = (int)loc.getX(); // but must not behave oddly around zero
pxResult.y = (int)loc.getY();
loc.setLocation(pxResult.x, pxResult.y);
try {
at.inverseTransform(loc, loc);
}
catch (NoninvertibleTransformException e) {
throw new IllegalArgumentException("must be able to invert frc transform");
}
}
Example 7
| Source File: StandardGlyphVector.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* !!! not used currently, but might be by getPixelbounds?
*/
public void pixellate(FontRenderContext renderFRC, Point2D loc, Point pxResult) {
if (renderFRC == null) {
renderFRC = frc;
}
// it is a total pain that you have to copy the transform.
AffineTransform at = renderFRC.getTransform();
at.transform(loc, loc);
pxResult.x = (int)loc.getX(); // but must not behave oddly around zero
pxResult.y = (int)loc.getY();
loc.setLocation(pxResult.x, pxResult.y);
try {
at.inverseTransform(loc, loc);
}
catch (NoninvertibleTransformException e) {
throw new IllegalArgumentException("must be able to invert frc transform");
}
}
Example 8
| Source File: SunGraphics2D.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double p[] = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 9
| Source File: SunGraphics2D.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double p[] = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 10
| Source File: SunGraphics2D.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double[] p = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 11
| Source File: SunGraphics2D.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double p[] = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 12
| Source File: SunGraphics2D.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double p[] = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 13
| Source File: FontPanel.java From hottub with GNU General Public License v2.0 | 4 votes |
|
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 );
}
Example 14
| Source File: SunGraphics2D.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double p[] = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 15
| Source File: FontPanel.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
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 );
}
Example 16
| Source File: SunGraphics2D.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double p[] = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 17
| Source File: SunGraphics2D.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Returns a rectangle in image coordinates that may be required
* in order to draw the given image into the given clipping region
* through a pair of AffineTransforms. In addition, horizontal and
* vertical padding factors for antialising and interpolation may
* be used.
*/
private static Rectangle getImageRegion(RenderedImage img,
Region compClip,
AffineTransform transform,
AffineTransform xform,
int padX, int padY) {
Rectangle imageRect =
new Rectangle(img.getMinX(), img.getMinY(),
img.getWidth(), img.getHeight());
Rectangle result = null;
try {
double p[] = new double[8];
p[0] = p[2] = compClip.getLoX();
p[4] = p[6] = compClip.getHiX();
p[1] = p[5] = compClip.getLoY();
p[3] = p[7] = compClip.getHiY();
// Inverse transform the output bounding rect
transform.inverseTransform(p, 0, p, 0, 4);
xform.inverseTransform(p, 0, p, 0, 4);
// Determine a bounding box for the inverse transformed region
double x0,x1,y0,y1;
x0 = x1 = p[0];
y0 = y1 = p[1];
for (int i = 2; i < 8; ) {
double pt = p[i++];
if (pt < x0) {
x0 = pt;
} else if (pt > x1) {
x1 = pt;
}
pt = p[i++];
if (pt < y0) {
y0 = pt;
} else if (pt > y1) {
y1 = pt;
}
}
// This is padding for anti-aliasing and such. It may
// be more than is needed.
int x = (int)x0 - padX;
int w = (int)(x1 - x0 + 2*padX);
int y = (int)y0 - padY;
int h = (int)(y1 - y0 + 2*padY);
Rectangle clipRect = new Rectangle(x,y,w,h);
result = clipRect.intersection(imageRect);
} catch (NoninvertibleTransformException nte) {
// Worst case bounds are the bounds of the image.
result = imageRect;
}
return result;
}
Example 18
| Source File: FontPanel.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
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 );
}
Example 19
| Source File: FontPanel.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
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 );
}
Example 20
| Source File: FontPanel.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
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 );
}
