Java Code Examples for java.awt.image.ColorModel#hasAlpha()
The following examples show how to use
java.awt.image.ColorModel#hasAlpha() .
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Example 1
| Source File: JFIFMarkerSegment.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
JFIFExtensionMarkerSegment(BufferedImage thumbnail)
throws IllegalThumbException {
super(JPEG.APP0);
ColorModel cm = thumbnail.getColorModel();
int csType = cm.getColorSpace().getType();
if (cm.hasAlpha()) {
throw new IllegalThumbException();
}
if (cm instanceof IndexColorModel) {
code = THUMB_PALETTE;
thumb = new JFIFThumbPalette(thumbnail);
} else if (csType == ColorSpace.TYPE_RGB) {
code = THUMB_RGB;
thumb = new JFIFThumbRGB(thumbnail);
} else if (csType == ColorSpace.TYPE_GRAY) {
code = THUMB_JPEG;
thumb = new JFIFThumbJPEG(thumbnail);
} else {
throw new IllegalThumbException();
}
}
Example 2
| Source File: JFIFMarkerSegment.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
JFIFExtensionMarkerSegment(BufferedImage thumbnail)
throws IllegalThumbException {
super(JPEG.APP0);
ColorModel cm = thumbnail.getColorModel();
int csType = cm.getColorSpace().getType();
if (cm.hasAlpha()) {
throw new IllegalThumbException();
}
if (cm instanceof IndexColorModel) {
code = THUMB_PALETTE;
thumb = new JFIFThumbPalette(thumbnail);
} else if (csType == ColorSpace.TYPE_RGB) {
code = THUMB_RGB;
thumb = new JFIFThumbRGB(thumbnail);
} else if (csType == ColorSpace.TYPE_GRAY) {
code = THUMB_JPEG;
thumb = new JFIFThumbJPEG(thumbnail);
} else {
throw new IllegalThumbException();
}
}
Example 3
| Source File: JPEG.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Returns <code>true</code> if the given imageType can be used
* in a JFIF file. If <code>input</code> is true, then the
* image type is considered before colorspace conversion.
*/
static boolean isJFIFcompliant(ImageTypeSpecifier imageType,
boolean input) {
ColorModel cm = imageType.getColorModel();
// Can't have alpha
if (cm.hasAlpha()) {
return false;
}
// Gray is OK, always
int numComponents = imageType.getNumComponents();
if (numComponents == 1) {
return true;
}
// If it isn't gray, it must have 3 channels
if (numComponents != 3) {
return false;
}
if (input) {
// Must be RGB
if (cm.getColorSpace().getType() == ColorSpace.TYPE_RGB) {
return true;
}
} else {
// Must be YCbCr
if (cm.getColorSpace().getType() == ColorSpace.TYPE_YCbCr) {
return true;
}
}
return false;
}
Example 4
| Source File: JPEG.java From JDKSourceCode1.8 with MIT License | 5 votes |
|
/**
* Returns <code>true</code> if the given imageType can be used
* in a JFIF file. If <code>input</code> is true, then the
* image type is considered before colorspace conversion.
*/
static boolean isJFIFcompliant(ImageTypeSpecifier imageType,
boolean input) {
ColorModel cm = imageType.getColorModel();
// Can't have alpha
if (cm.hasAlpha()) {
return false;
}
// Gray is OK, always
int numComponents = imageType.getNumComponents();
if (numComponents == 1) {
return true;
}
// If it isn't gray, it must have 3 channels
if (numComponents != 3) {
return false;
}
if (input) {
// Must be RGB
if (cm.getColorSpace().getType() == ColorSpace.TYPE_RGB) {
return true;
}
} else {
// Must be YCbCr
if (cm.getColorSpace().getType() == ColorSpace.TYPE_YCbCr) {
return true;
}
}
return false;
}
Example 5
| Source File: JPEGImageWriter.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
private int getDefaultDestCSType(ColorModel cm) {
int retval = JPEG.JCS_UNKNOWN;
if (cm != null) {
boolean alpha = cm.hasAlpha();
ColorSpace cs = cm.getColorSpace();
switch (cs.getType()) {
case ColorSpace.TYPE_GRAY:
retval = JPEG.JCS_GRAYSCALE;
break;
case ColorSpace.TYPE_RGB:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_YCbCr:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_3CLR:
if (cs == JPEG.JCS.getYCC()) {
if (alpha) {
retval = JPEG.JCS_YCCA;
} else {
retval = JPEG.JCS_YCC;
}
}
case ColorSpace.TYPE_CMYK:
retval = JPEG.JCS_YCCK;
break;
}
}
return retval;
}
Example 6
| Source File: JPEG.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Returns <code>true</code> if the given imageType can be used
* in a JFIF file. If <code>input</code> is true, then the
* image type is considered before colorspace conversion.
*/
static boolean isJFIFcompliant(ImageTypeSpecifier imageType,
boolean input) {
ColorModel cm = imageType.getColorModel();
// Can't have alpha
if (cm.hasAlpha()) {
return false;
}
// Gray is OK, always
int numComponents = imageType.getNumComponents();
if (numComponents == 1) {
return true;
}
// If it isn't gray, it must have 3 channels
if (numComponents != 3) {
return false;
}
if (input) {
// Must be RGB
if (cm.getColorSpace().getType() == ColorSpace.TYPE_RGB) {
return true;
}
} else {
// Must be YCbCr
if (cm.getColorSpace().getType() == ColorSpace.TYPE_YCbCr) {
return true;
}
}
return false;
}
Example 7
| Source File: BlitBg.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
@Override
public void BlitBg(SurfaceData srcData,
SurfaceData dstData,
Composite comp,
Region clip,
int bgArgb,
int srcx, int srcy,
int dstx, int dsty,
int width, int height)
{
ColorModel dstModel = dstData.getColorModel();
boolean bgHasAlpha = (bgArgb >>> 24) != 0xff;
if (!dstModel.hasAlpha() && bgHasAlpha) {
dstModel = ColorModel.getRGBdefault();
}
WritableRaster wr =
dstModel.createCompatibleWritableRaster(width, height);
boolean isPremult = dstModel.isAlphaPremultiplied();
BufferedImage bimg =
new BufferedImage(dstModel, wr, isPremult, null);
SurfaceData tmpData = BufImgSurfaceData.createData(bimg);
Color bgColor = new Color(bgArgb, bgHasAlpha);
SunGraphics2D sg2d = new SunGraphics2D(tmpData, bgColor, bgColor,
defaultFont);
FillRect fillop = FillRect.locate(SurfaceType.AnyColor,
CompositeType.SrcNoEa,
tmpData.getSurfaceType());
Blit combineop = Blit.getFromCache(srcData.getSurfaceType(),
CompositeType.SrcOverNoEa,
tmpData.getSurfaceType());
Blit blitop = Blit.getFromCache(tmpData.getSurfaceType(), compositeType,
dstData.getSurfaceType());
fillop.FillRect(sg2d, tmpData, 0, 0, width, height);
combineop.Blit(srcData, tmpData, AlphaComposite.SrcOver, null,
srcx, srcy, 0, 0, width, height);
blitop.Blit(tmpData, dstData, comp, clip,
0, 0, dstx, dsty, width, height);
}
Example 8
| Source File: BlitBg.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
@Override
public void BlitBg(SurfaceData srcData,
SurfaceData dstData,
Composite comp,
Region clip,
int bgArgb,
int srcx, int srcy,
int dstx, int dsty,
int width, int height)
{
ColorModel dstModel = dstData.getColorModel();
boolean bgHasAlpha = (bgArgb >>> 24) != 0xff;
if (!dstModel.hasAlpha() && bgHasAlpha) {
dstModel = ColorModel.getRGBdefault();
}
WritableRaster wr =
dstModel.createCompatibleWritableRaster(width, height);
boolean isPremult = dstModel.isAlphaPremultiplied();
BufferedImage bimg =
new BufferedImage(dstModel, wr, isPremult, null);
SurfaceData tmpData = BufImgSurfaceData.createData(bimg);
Color bgColor = new Color(bgArgb, bgHasAlpha);
SunGraphics2D sg2d = new SunGraphics2D(tmpData, bgColor, bgColor,
defaultFont);
FillRect fillop = FillRect.locate(SurfaceType.AnyColor,
CompositeType.SrcNoEa,
tmpData.getSurfaceType());
Blit combineop = Blit.getFromCache(srcData.getSurfaceType(),
CompositeType.SrcOverNoEa,
tmpData.getSurfaceType());
Blit blitop = Blit.getFromCache(tmpData.getSurfaceType(), compositeType,
dstData.getSurfaceType());
fillop.FillRect(sg2d, tmpData, 0, 0, width, height);
combineop.Blit(srcData, tmpData, AlphaComposite.SrcOver, null,
srcx, srcy, 0, 0, width, height);
blitop.Blit(tmpData, dstData, comp, clip,
0, 0, dstx, dsty, width, height);
}
Example 9
| Source File: JPEGImageWriter.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
private int getDefaultDestCSType(ColorModel cm) {
int retval = JPEG.JCS_UNKNOWN;
if (cm != null) {
boolean alpha = cm.hasAlpha();
ColorSpace cs = cm.getColorSpace();
switch (cs.getType()) {
case ColorSpace.TYPE_GRAY:
retval = JPEG.JCS_GRAYSCALE;
break;
case ColorSpace.TYPE_RGB:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_YCbCr:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_3CLR:
if (cs == JPEG.JCS.getYCC()) {
if (alpha) {
retval = JPEG.JCS_YCCA;
} else {
retval = JPEG.JCS_YCC;
}
}
case ColorSpace.TYPE_CMYK:
retval = JPEG.JCS_YCCK;
break;
}
}
return retval;
}
Example 10
| Source File: JPEGImageWriter.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
private int getDefaultDestCSType(ColorModel cm) {
int retval = JPEG.JCS_UNKNOWN;
if (cm != null) {
boolean alpha = cm.hasAlpha();
ColorSpace cs = cm.getColorSpace();
switch (cs.getType()) {
case ColorSpace.TYPE_GRAY:
retval = JPEG.JCS_GRAYSCALE;
break;
case ColorSpace.TYPE_RGB:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_YCbCr:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_3CLR:
if (cs == JPEG.JCS.getYCC()) {
if (alpha) {
retval = JPEG.JCS_YCCA;
} else {
retval = JPEG.JCS_YCC;
}
}
case ColorSpace.TYPE_CMYK:
retval = JPEG.JCS_YCCK;
break;
}
}
return retval;
}
Example 11
| Source File: JPEGImageWriter.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
private int getSrcCSType(ColorModel cm) {
int retval = JPEG.JCS_UNKNOWN;
if (cm != null) {
boolean alpha = cm.hasAlpha();
ColorSpace cs = cm.getColorSpace();
switch (cs.getType()) {
case ColorSpace.TYPE_GRAY:
retval = JPEG.JCS_GRAYSCALE;
break;
case ColorSpace.TYPE_RGB:
if (alpha) {
retval = JPEG.JCS_RGBA;
} else {
retval = JPEG.JCS_RGB;
}
break;
case ColorSpace.TYPE_YCbCr:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_3CLR:
if (cs == JPEG.JCS.getYCC()) {
if (alpha) {
retval = JPEG.JCS_YCCA;
} else {
retval = JPEG.JCS_YCC;
}
}
case ColorSpace.TYPE_CMYK:
retval = JPEG.JCS_CMYK;
break;
}
}
return retval;
}
Example 12
| Source File: JPEGImageWriter.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
private int getSrcCSType(ColorModel cm) {
int retval = JPEG.JCS_UNKNOWN;
if (cm != null) {
boolean alpha = cm.hasAlpha();
ColorSpace cs = cm.getColorSpace();
switch (cs.getType()) {
case ColorSpace.TYPE_GRAY:
retval = JPEG.JCS_GRAYSCALE;
break;
case ColorSpace.TYPE_RGB:
if (alpha) {
retval = JPEG.JCS_RGBA;
} else {
retval = JPEG.JCS_RGB;
}
break;
case ColorSpace.TYPE_YCbCr:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_3CLR:
if (cs == JPEG.JCS.getYCC()) {
if (alpha) {
retval = JPEG.JCS_YCCA;
} else {
retval = JPEG.JCS_YCC;
}
}
case ColorSpace.TYPE_CMYK:
retval = JPEG.JCS_CMYK;
break;
}
}
return retval;
}
Example 13
| Source File: JPEG.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
/**
* Returns <code>true</code> if the given imageType can be used
* in a JFIF file. If <code>input</code> is true, then the
* image type is considered before colorspace conversion.
*/
static boolean isJFIFcompliant(ImageTypeSpecifier imageType,
boolean input) {
ColorModel cm = imageType.getColorModel();
// Can't have alpha
if (cm.hasAlpha()) {
return false;
}
// Gray is OK, always
int numComponents = imageType.getNumComponents();
if (numComponents == 1) {
return true;
}
// If it isn't gray, it must have 3 channels
if (numComponents != 3) {
return false;
}
if (input) {
// Must be RGB
if (cm.getColorSpace().getType() == ColorSpace.TYPE_RGB) {
return true;
}
} else {
// Must be YCbCr
if (cm.getColorSpace().getType() == ColorSpace.TYPE_YCbCr) {
return true;
}
}
return false;
}
Example 14
| Source File: JPEGImageWriter.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
private int getDestCSType(ImageTypeSpecifier destType) {
ColorModel cm = destType.getColorModel();
boolean alpha = cm.hasAlpha();
ColorSpace cs = cm.getColorSpace();
int retval = JPEG.JCS_UNKNOWN;
switch (cs.getType()) {
case ColorSpace.TYPE_GRAY:
retval = JPEG.JCS_GRAYSCALE;
break;
case ColorSpace.TYPE_RGB:
if (alpha) {
retval = JPEG.JCS_RGBA;
} else {
retval = JPEG.JCS_RGB;
}
break;
case ColorSpace.TYPE_YCbCr:
if (alpha) {
retval = JPEG.JCS_YCbCrA;
} else {
retval = JPEG.JCS_YCbCr;
}
break;
case ColorSpace.TYPE_3CLR:
if (cs == JPEG.JCS.getYCC()) {
if (alpha) {
retval = JPEG.JCS_YCCA;
} else {
retval = JPEG.JCS_YCC;
}
}
case ColorSpace.TYPE_CMYK:
retval = JPEG.JCS_CMYK;
break;
}
return retval;
}
Example 15
| Source File: ColorYCbCrComposite.java From TrakEM2 with GNU General Public License v3.0 | 5 votes |
|
public CompositeContext createContext( ColorModel srcColorModel, ColorModel dstColorModel, RenderingHints hints )
{
final Composer c;
if ( srcColorModel.getNumColorComponents() > 1 )
{
if ( srcColorModel.hasAlpha() )
c = new ARGB2ARGB();
else
c = new RGB2ARGB();
}
else
c = new Gray2ARGB();
return new CompositeContext()
{
private Composer composer = c;
public void compose( Raster src, Raster dstIn, WritableRaster dstOut )
{
final int[] srcPixel = new int[ 4 ];
final int[] dstInPixel = new int[ 4 ];
for ( int x = 0; x < dstOut.getWidth(); x++ )
{
for ( int y = 0; y < dstOut.getHeight(); y++ )
{
src.getPixel( x, y, srcPixel );
dstIn.getPixel( x, y, dstInPixel );
composer.compose( srcPixel, dstInPixel, alpha );
dstOut.setPixel( x, y, dstInPixel );
}
}
}
public void dispose()
{}
};
}
Example 16
| Source File: ImageType.java From scipio-erp with Apache License 2.0 | 5 votes |
|
/**
* Resolves the image type info to use for the given color model.
* May return null.
*/
public ImageTypeInfo getImageTypeInfoFor(Integer targetPixelType, ColorModel colorModel) {
Integer resultPixelType = null;
ColorModel resultColorModel = null; // TODO: DEV NOTE: this must NOT be the colorModel parameter!!!
if (targetPixelType != null) resultPixelType = typeMappings.get(targetPixelType);
if (resultPixelType == null && (colorModel != null && !colorModel.hasAlpha())) resultPixelType = getPixelTypeNoAlpha();
if (resultPixelType == null) resultPixelType = getPixelTypeDefault();
return new ImageTypeInfo(resultPixelType, resultColorModel);
}
Example 17
| Source File: PNGImageWriterSpi.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
public boolean canEncodeImage(ImageTypeSpecifier type) {
SampleModel sampleModel = type.getSampleModel();
ColorModel colorModel = type.getColorModel();
// Find the maximum bit depth across all channels
int[] sampleSize = sampleModel.getSampleSize();
int bitDepth = sampleSize[0];
for (int i = 1; i < sampleSize.length; i++) {
if (sampleSize[i] > bitDepth) {
bitDepth = sampleSize[i];
}
}
// Ensure bitDepth is between 1 and 16
if (bitDepth < 1 || bitDepth > 16) {
return false;
}
// Check number of bands, alpha
int numBands = sampleModel.getNumBands();
if (numBands < 1 || numBands > 4) {
return false;
}
boolean hasAlpha = colorModel.hasAlpha();
// Fix 4464413: PNGTransparency reg-test was failing
// because for IndexColorModels that have alpha,
// numBands == 1 && hasAlpha == true, thus causing
// the check below to fail and return false.
if (colorModel instanceof IndexColorModel) {
return true;
}
if ((numBands == 1 || numBands == 3) && hasAlpha) {
return false;
}
if ((numBands == 2 || numBands == 4) && !hasAlpha) {
return false;
}
return true;
}
Example 18
| Source File: PNGImageWriterSpi.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public boolean canEncodeImage(ImageTypeSpecifier type) {
SampleModel sampleModel = type.getSampleModel();
ColorModel colorModel = type.getColorModel();
// Find the maximum bit depth across all channels
int[] sampleSize = sampleModel.getSampleSize();
int bitDepth = sampleSize[0];
for (int i = 1; i < sampleSize.length; i++) {
if (sampleSize[i] > bitDepth) {
bitDepth = sampleSize[i];
}
}
// Ensure bitDepth is between 1 and 16
if (bitDepth < 1 || bitDepth > 16) {
return false;
}
// Check number of bands, alpha
int numBands = sampleModel.getNumBands();
if (numBands < 1 || numBands > 4) {
return false;
}
boolean hasAlpha = colorModel.hasAlpha();
// Fix 4464413: PNGTransparency reg-test was failing
// because for IndexColorModels that have alpha,
// numBands == 1 && hasAlpha == true, thus causing
// the check below to fail and return false.
if (colorModel instanceof IndexColorModel) {
return true;
}
if ((numBands == 1 || numBands == 3) && hasAlpha) {
return false;
}
if ((numBands == 2 || numBands == 4) && !hasAlpha) {
return false;
}
return true;
}
Example 19
| Source File: PNGImageWriterSpi.java From jdk1.8-source-analysis with Apache License 2.0 | 4 votes |
|
public boolean canEncodeImage(ImageTypeSpecifier type) {
SampleModel sampleModel = type.getSampleModel();
ColorModel colorModel = type.getColorModel();
// Find the maximum bit depth across all channels
int[] sampleSize = sampleModel.getSampleSize();
int bitDepth = sampleSize[0];
for (int i = 1; i < sampleSize.length; i++) {
if (sampleSize[i] > bitDepth) {
bitDepth = sampleSize[i];
}
}
// Ensure bitDepth is between 1 and 16
if (bitDepth < 1 || bitDepth > 16) {
return false;
}
// Check number of bands, alpha
int numBands = sampleModel.getNumBands();
if (numBands < 1 || numBands > 4) {
return false;
}
boolean hasAlpha = colorModel.hasAlpha();
// Fix 4464413: PNGTransparency reg-test was failing
// because for IndexColorModels that have alpha,
// numBands == 1 && hasAlpha == true, thus causing
// the check below to fail and return false.
if (colorModel instanceof IndexColorModel) {
return true;
}
if ((numBands == 1 || numBands == 3) && hasAlpha) {
return false;
}
if ((numBands == 2 || numBands == 4) && !hasAlpha) {
return false;
}
return true;
}
Example 20
| Source File: PNGImageWriterSpi.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public boolean canEncodeImage(ImageTypeSpecifier type) {
SampleModel sampleModel = type.getSampleModel();
ColorModel colorModel = type.getColorModel();
// Find the maximum bit depth across all channels
int[] sampleSize = sampleModel.getSampleSize();
int bitDepth = sampleSize[0];
for (int i = 1; i < sampleSize.length; i++) {
if (sampleSize[i] > bitDepth) {
bitDepth = sampleSize[i];
}
}
// Ensure bitDepth is between 1 and 16
if (bitDepth < 1 || bitDepth > 16) {
return false;
}
// Check number of bands, alpha
int numBands = sampleModel.getNumBands();
if (numBands < 1 || numBands > 4) {
return false;
}
boolean hasAlpha = colorModel.hasAlpha();
// Fix 4464413: PNGTransparency reg-test was failing
// because for IndexColorModels that have alpha,
// numBands == 1 && hasAlpha == true, thus causing
// the check below to fail and return false.
if (colorModel instanceof IndexColorModel) {
return true;
}
if ((numBands == 1 || numBands == 3) && hasAlpha) {
return false;
}
if ((numBands == 2 || numBands == 4) && !hasAlpha) {
return false;
}
return true;
}
