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Java ColorModel.hasAlpha方法代码示例

本文整理汇总了Java中java.awt.image.ColorModel.hasAlpha方法的典型用法代码示例。如果您正苦于以下问题：Java ColorModel.hasAlpha方法的具体用法？Java ColorModel.hasAlpha怎么用？Java ColorModel.hasAlpha使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.awt.image.ColorModel的用法示例。


在下文中一共展示了ColorModel.hasAlpha方法的12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: JFIFExtensionMarkerSegment

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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();
    }
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:23，代码来源:JFIFMarkerSegment.java

示例2: BlitBg

import java.awt.image.ColorModel; //导入方法依赖的package包/类
@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);
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:39，代码来源:BlitBg.java

示例3: isJFIFcompliant

import java.awt.image.ColorModel; //导入方法依赖的package包/类
/**
 * 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;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:38，代码来源:JPEG.java

示例4: getDestCSType

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:38，代码来源:JPEGImageWriter.java

示例5: getDefaultDestCSType

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:39，代码来源:JPEGImageWriter.java

示例6: getPixelFormatForColorModel

import java.awt.image.ColorModel; //导入方法依赖的package包/类
private int getPixelFormatForColorModel( ColorModel cm ){
	if( cm == null ){
		return DEFAULT_PIXEL_FORMAT; // TODO is PixelFormat.Canonical better here?
	}
	int bpp = cm.getPixelSize();
	int[] sizes = cm.getComponentSize();
	switch( bpp ){
		case 1: return PixelFormat.Undefined; // Indexed is invalid and there is no 1bpp
		case 4: return PixelFormat.Format4bppIndexed;
		case 8: return PixelFormat.Format8bppIndexed;
		case 16:
			if( sizes.length <= 1) {
				return PixelFormat.Format16bppGrayScale;
			}
			if( sizes.length == 3 ){
				if( sizes[0] == 5 && sizes[2] == 5 ){
					return sizes[1] == 5 ? PixelFormat.Format16bppRgb555 : PixelFormat.Format16bppRgb565;
				}
			}
			if( sizes.length == 4 && cm.hasAlpha() ){
				return PixelFormat.Format16bppArgb1555;
			}
			break;
		case 24:
			return PixelFormat.Format24bppRgb;
		case 32:
			if(!cm.hasAlpha()){
				return PixelFormat.Format32bppRgb;
			} else {
				return cm.isAlphaPremultiplied() ? PixelFormat.Format32bppPArgb : PixelFormat.Format32bppArgb;
			}
		case 48:
			return PixelFormat.Format48bppRgb;
		case 64:
			return cm.isAlphaPremultiplied() ? PixelFormat.Format64bppPArgb : PixelFormat.Format64bppArgb;    			
	}
	return PixelFormat.Undefined;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:39，代码来源:ImageRepresentation.java

示例7: getSrcCSType

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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;
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:39，代码来源:JPEGImageWriter.java

示例8: getDefaultDestCSType

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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;
                }
            }
            break;
        case ColorSpace.TYPE_CMYK:
            retval = JPEG.JCS_YCCK;
            break;
        }
    }
    return retval;
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:40，代码来源:JPEGImageWriter.java

示例9: getSrcCSType

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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;
                }
            }
            break;
        case ColorSpace.TYPE_CMYK:
            retval = JPEG.JCS_CMYK;
            break;
        }
    }
    return retval;
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:40，代码来源:JPEGImageWriter.java

示例10: getDestCSType

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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;
            }
        }
        break;
    case ColorSpace.TYPE_CMYK:
        retval = JPEG.JCS_CMYK;
        break;
    }
return retval;
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:39，代码来源:JPEGImageWriter.java

示例11: analyseAndSetOpenGLParameters

import java.awt.image.ColorModel; //导入方法依赖的package包/类
/**
 * Analyes the specified image and sets the proper openGLImage-values.
 * @return <code>true</code> if the image foramt has successfully detected.
 */
public boolean analyseAndSetOpenGLParameters() {
	boolean retValue = true;
	String errorString = "";

	try {
		switch(image.getType()) {
		case BufferedImage.TYPE_4BYTE_ABGR:
			openGLImageFormat= GL2.GL_RGBA;
			openGLImageType  = GL2.GL_UNSIGNED_INT_8_8_8_8; // OK!
			openGLImageInternalFormat = GL2.GL_RGBA;
			break;

		case BufferedImage.TYPE_3BYTE_BGR:
			openGLImageFormat= GL2.GL_BGR;
			openGLImageType  = GL2.GL_UNSIGNED_BYTE;
			openGLImageInternalFormat = GL2.GL_RGB;
			break;

		case BufferedImage.TYPE_BYTE_GRAY:
			openGLImageFormat= GL2.GL_LUMINANCE;
			openGLImageType  = GL2.GL_UNSIGNED_BYTE;
			openGLImageInternalFormat = GL2.GL_LUMINANCE;
			break;
		case BufferedImage.TYPE_CUSTOM:
			ColorModel colorModel = image.getColorModel();
			ColorSpace colorSpace = colorModel.getColorSpace();
			if(colorSpace.getType()==ColorSpace.TYPE_GRAY) {
				if(colorModel.hasAlpha()==true) {
					openGLImageFormat= GL2.GL_LUMINANCE_ALPHA;
					openGLImageType  = GL2.GL_UNSIGNED_BYTE;
					openGLImageInternalFormat = GL2.GL_LUMINANCE_ALPHA;
				}
				else {
					openGLImageFormat= GL2.GL_LUMINANCE;
					openGLImageType  = GL2.GL_UNSIGNED_BYTE;
					openGLImageInternalFormat = GL2.GL_LUMINANCE;
				}
			}
			else {
				errorString = "Unsupported image format."+
						"\nURL="+textureBaseURL+textureURL+"\n";
				retValue = false;
			}
			break;
		}
	}
	catch(Throwable t) {
		errorString = "Exception during image analyzing."+
				"\nURL="+textureBaseURL+textureURL+"\n"+t.getMessage();
		retValue = false;
	}

	if(!errorString.isEmpty()){
		StatusPrinter.print("ERROR", errorString, Texture.class);
	}
	return retValue;
}
开发者ID:ZetzmannM，项目名称:CGL，代码行数:62，代码来源:Texture.java

示例12: canEncodeImage

import java.awt.image.ColorModel; //导入方法依赖的package包/类
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;
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:42，代码来源:PNGImageWriterSpi.java


注：本文中的java.awt.image.ColorModel.hasAlpha方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。