Java Code Examples for java.awt.image.BufferedImage#getMinX()
The following examples show how to use
java.awt.image.BufferedImage#getMinX() .
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
| Source File: ImageUtil.java From FlyCms with MIT License | 6 votes |
|
public static Pixel[][] getImagePixel(BufferedImage srcImg, int width, int height) {
BufferedImage bi = null;
try {
bi = resizeImage(srcImg, width, height, BufferedImage.TYPE_INT_RGB);
} catch (Exception e) {
e.printStackTrace();
return null;
}
int minx = bi.getMinX();
int miny = bi.getMinY();
Pixel[][] rgbMatrix = new Pixel[width - minx][height - miny];
for (int i = minx; i < width; i++) {
for (int j = miny; j < height; j++) {
int pixel = bi.getRGB(i, j);
int red = (pixel & 0xff0000) >> 16;
int green = (pixel & 0xff00) >> 8;
int blue = (pixel & 0xff);
Pixel p = new Pixel();
p.red = red;
p.green = green;
p.blue = blue;
rgbMatrix[i - minx][j - miny] = p;
}
}
return rgbMatrix;
}
Example 2
| Source File: ImageUtil.java From FlyCms with MIT License | 6 votes |
|
public static int[][] getGrayPixel(BufferedImage srcImg, int width, int height) {
BufferedImage bi = null;
try {
bi = resizeImage(srcImg, width, height, BufferedImage.TYPE_INT_RGB);
} catch (Exception e) {
e.printStackTrace();
return null;
}
int minx = bi.getMinX();
int miny = bi.getMinY();
int[][] matrix = new int[width - minx][height - miny];
for (int i = minx; i < width; i++) {
for (int j = miny; j < height; j++) {
int pixel = bi.getRGB(i, j);
int red = (pixel & 0xff0000) >> 16;
int green = (pixel & 0xff00) >> 8;
int blue = (pixel & 0xff);
int gray = (int) (red * 0.3 + green * 0.59 + blue * 0.11);
matrix[i][j] = gray;
}
}
return matrix;
}
Example 3
| Source File: Robot.java From xnx3 with Apache License 2.0 | 6 votes |
|
/**
* 将图片改变成像素数据，同时获取搜索图片时的图片相关参数
* @param bufferedImage 要转换的成像素数据的图片
* @return {@link RgbImageComparerBean}
*/
public RgbImageComparerBean getPX(BufferedImage bufferedImage) {
int width = bufferedImage.getWidth();
int height = bufferedImage.getHeight();
int minx = bufferedImage.getMinX();
int miny = bufferedImage.getMinY();
RgbImageComparerBean rgb = new RgbImageComparerBean();
int colorArray[][] = new int[width][height];
for (int i = minx; i < width; i++) {
for (int j = miny; j < height; j++) {
colorArray[i][j] = bufferedImage.getRGB(i, j);
}
}
rgb.setColorArray(colorArray);
return rgb;
}
Example 4
| Source File: IceColorUtil.java From iceroot with Apache License 2.0 | 6 votes |
|
/**
* 计算图片颜色的平均值
*
* @param fileName 图片路径
* @return 颜色的平均值
*/
public static double color(String fileName) {
File file = new File(fileName);
BufferedImage image = null;
try {
image = ImageIO.read(file);
} catch (IOException e) {
e.printStackTrace();
}
int width = image.getWidth();
int height = image.getHeight();
int minX = image.getMinX();
int minY = image.getMinY();
long sum = 0;
int count = 0;
for (int i = minX; i < width; i++) {
for (int j = minY; j < height; j++) {
int rgb = image.getRGB(i, j);
sum += rgb;
count++;
}
}
double avg = (double) sum / count;
return avg;
}
Example 5
| Source File: ImageUtil.java From JewelCrawler with GNU General Public License v3.0 | 5 votes |
|
public static void setRGB(BufferedImage image, int x, int y, int rgb){
if(x < image.getMinX() || x > image.getWidth() - 1){
return;
}
if(y < image.getMinY() || y > image.getHeight() - 1){
return;
}
image.setRGB(x, y, rgb);
}
Example 6
| Source File: ImageUtil.java From JewelCrawler with GNU General Public License v3.0 | 5 votes |
|
/**
* 去除杂点
* @param image
* @param sideLength
* @return
*/
public static BufferedImage pointFilter(BufferedImage image){
int width = image.getWidth();
int height = image.getHeight();
int minx = image.getMinX();
int miny = image.getMinY();
Color black = new Color(0, 0, 0);
Color white = new Color(255, 255, 255);
BufferedImage outImage = new BufferedImage(width, height, image.getType());
for (int x = minx; x < width; x++) {
for (int y = miny; y < height; y++) {
Color color = new Color(image.getRGB(x, y));
if(color.getRed() == white.getRed()){
outImage.setRGB(x, y, color.getRGB());
continue;
}
//先判断左右
int self = color.getRed();
int left = ImageUtil.getColor(image, x-1, y).getRed();
int right = ImageUtil.getColor(image, x+1, y).getRed();
int up = ImageUtil.getColor(image, x, y-1).getRed();
int down = ImageUtil.getColor(image, x, y+1).getRed();
if(left == right && right == up && up == down && down != 0 && self == 0){
setRGB(outImage, x, y, white.getRGB());
}
}
}
return outImage;
}
Example 7
| Source File: MultiplexImageReader.java From orbit-image-analysis with GNU General Public License v3.0 | 4 votes |
|
public BufferedImage[] openUnmixedImages(int no, int x, int y, int w, int h) throws FormatException, IOException {
int[] zct = getZCTCoords(no);
int z = zct[0];
int chan = zct[1];
int t = zct[2];
// load all channels for current rect
BufferedImage[] channels = new BufferedImage[sizeC];
for (int c=0; c<sizeC; c++) {
int no2 = getIndex(z,c,t);
channels[c] = super.openImage(no2,x,y,w,h);
}
BufferedImage ori = channels[0];
BufferedImage[] bi = new BufferedImage[sizeC];
WritableRaster[] raster = new WritableRaster[sizeC];
for (int c=0; c<sizeC; c++) {
if (!channelIndependent[c]) {
bi[c] = new BufferedImage(ori.getColorModel(), ori.getRaster().createCompatibleWritableRaster(0, 0, w, h), ori.isAlphaPremultiplied(), null);
raster[c] = bi[c].getRaster();
} else {
bi[c] = channels[c]; // original image, independent channel
raster[c] = bi[c].getRaster();
}
}
double[] measurements = new double[sizeDependend];
double[] out = new double[sizeDependend];
for (int ix=ori.getMinX(); ix<ori.getMinX()+ori.getWidth(); ix++)
for (int iy=ori.getMinY(); iy<ori.getMinY()+ori.getHeight(); iy++) {
for (int c=0; c<sizeDependend; c++) {
measurements[c] = channels[channelMap[c]].getRaster().getSampleDouble(ix,iy,0); // only 1 banded rasters allowed here
}
fastMultiply(invMatrix,measurements,out); // here the real unmixing takes place
for (int c=0; c<sizeDependend; c++) {
if (out[c]>255) out[c] = 255d; // TODO: adjust for 16bit!!!
if (out[c]<0) out[c] = 0d;
raster[channelMap[c]].setSample(ix, iy, 0, out[c]);
}
}
unmixedChannels = bi;
currentRect = new RectZT(x,y,w,h,z,t);
return bi;
}
Example 8
| Source File: PathGraphics.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 9
| Source File: PathGraphics.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 10
| Source File: PathGraphics.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 11
| Source File: ImageUtil.java From JewelCrawler with GNU General Public License v3.0 | 4 votes |
|
/**
* 去除杂点、杂线
* @param image
* @param length
* @return
*/
public static BufferedImage lineFilter(BufferedImage image){
int width = image.getWidth();
int height = image.getHeight();
int minx = image.getMinX();
int miny = image.getMinY();
Color black = new Color(0, 0, 0);
Color white = new Color(255, 255, 255);
BufferedImage outImage = new BufferedImage(width, height, image.getType());
for (int x = minx; x < width; x++) {
for (int y = miny; y < height; y++) {
Color color = new Color(image.getRGB(x, y));
if(color.getRed() == white.getRed()){
outImage.setRGB(x, y, color.getRGB());
continue;
}
//先判断左右
int self = color.getRed();
int left = ImageUtil.getColor(image, x-1, y).getRed();
int right = ImageUtil.getColor(image, x+1, y).getRed();
int up = ImageUtil.getColor(image, x, y-1).getRed();
int down = ImageUtil.getColor(image, x, y+1).getRed();
if(left == right && left == 0 && up == down && up != 0 && self == 0){
//左右为黑 上下为白
setRGB(outImage, x, y, white.getRGB());
}else if(left == right && left != 0 && up == down && up == 0 && self == 0){
setRGB(outImage, x, y, white.getRGB());
}else if(left == right && up == down && left == up && left != 0 && self == 0){
setRGB(outImage, x, y, white.getRGB());
}else{
int count = 0;
count = left != 0 ? count+1 : count;
count = right != 0 ? count+1 : count;
count = up != 0 ? count+1 : count;
count = down != 0 ? count+1 : count;
//
if(count > 2){
setRGB(outImage, x, y, white.getRGB());
}else{
// setRGB(outImage, x, y, black.getRGB());
}
}
}
}
return outImage;
}
Example 12
| Source File: ImageUtil.java From JewelCrawler with GNU General Public License v3.0 | 4 votes |
|
/**
* 去除杂点、杂线
* @param image
* @param length
* @return
*/
public static BufferedImage line2Filter(BufferedImage image){
int width = image.getWidth();
int height = image.getHeight();
int minx = image.getMinX();
int miny = image.getMinY();
Color black = new Color(0, 0, 0);
Color white = new Color(255, 255, 255);
BufferedImage outImage = new BufferedImage(width, height, image.getType());
for (int x = minx; x < width; x++) {
for (int y = miny; y < height; y++) {
Color color = new Color(image.getRGB(x, y));
if(color.getRed() == white.getRed()){
outImage.setRGB(x, y, color.getRGB());
continue;
}
//先判断左右
int self_1 = color.getRed();
int self_2 = ImageUtil.getColor(image, x+1, y).getRed();
int self_3 = ImageUtil.getColor(image, x, y+1).getRed();
int self_4 = ImageUtil.getColor(image, x+1, y+1).getRed();
if(self_1 == self_2 && self_2 == self_3 && self_3 == self_4 && self_1 != 0){
continue;
}
int self = 0;
int left_1 = ImageUtil.getColor(image, x-1, y).getRed();
int left_2 = ImageUtil.getColor(image, x-1, y+1).getRed();
int right_1 = ImageUtil.getColor(image, x+2, y).getRed();
int right_2 = ImageUtil.getColor(image, x+2, y+1).getRed();
int up_1 = ImageUtil.getColor(image, x, y-1).getRed();
int up_2 = ImageUtil.getColor(image, x+1, y-1).getRed();
int down_1 = ImageUtil.getColor(image, x, y+2).getRed();
int down_2 = ImageUtil.getColor(image, x+1, y+2).getRed();
int left = left_1 == 0 && left_2 == 0 ? black.getRed() : white.getRed();
int right = right_1 == 0 && right_2 == 0 ? black.getRed() : white.getRed();
int up = up_1 == 0 && up_2 == 0 ? black.getRed() : white.getRed();
int down = down_1 == 0 && down_2 == 0 ? black.getRed() : white.getRed();
if(left == right && left == 0 && up == down && up != 0 && self == 0){
//左右为黑 上下为白
setRGB(outImage, x, y, white.getRGB());//自己
}else if(left == right && left != 0 && up == down && up == 0 && self == 0){
//上下为黑 左右为白
setRGB(outImage, x, y, white.getRGB());//自己
}
else if(left == right && up == down && left == up && left != 0 && self == 0){
// //上下左右均为白色
setRGB(outImage, x, y, white.getRGB());//自己
}
else{
int count = 0;
count = left != 0 ? count+1 : count;
count = right != 0 ? count+1 : count;
count = up != 0 ? count+1 : count;
count = down != 0 ? count+1 : count;
//
if(count > 2){
setRGB(outImage, x, y, white.getRGB());//自己
}else{
setRGB(outImage, x, y, black.getRGB());
}
}
}
}
return outImage;
}
Example 13
| Source File: ImageUtil.java From JewelCrawler with GNU General Public License v3.0 | 4 votes |
|
/**
* 去除杂点、杂线
* @param image
* @param length
* @return
*/
public static BufferedImage point2Filter(BufferedImage image){
int width = image.getWidth();
int height = image.getHeight();
int minx = image.getMinX();
int miny = image.getMinY();
Color black = new Color(0, 0, 0);
Color white = new Color(255, 255, 255);
BufferedImage outImage = new BufferedImage(width, height, image.getType());
for (int x = minx; x < width; x++) {
for (int y = miny; y < height; y++) {
Color color = new Color(image.getRGB(x, y));
if(color.getRed() == white.getRed()){
outImage.setRGB(x, y, color.getRGB());
continue;
}
//先判断左右
int self = color.getRed();
int left_1 = ImageUtil.getColor(image, x-1, y).getRed();
int left_2 = ImageUtil.getColor(image, x-1, y+1).getRed();
int right_1 = ImageUtil.getColor(image, x+1, y).getRed();
int right_2 = ImageUtil.getColor(image, x+1, y+1).getRed();
int up_1 = ImageUtil.getColor(image, x, y-1).getRed();
int up_2 = ImageUtil.getColor(image, x+1, y-1).getRed();
int down_1 = ImageUtil.getColor(image, x, y+1).getRed();
int down_2 = ImageUtil.getColor(image, x+1, y+1).getRed();
int left = left_1 == 0 && left_2 == 0 ? black.getRed() : white.getRed();
int right = right_1 == 0 && right_2 == 0 ? black.getRed() : white.getRed();
int up = up_1 == 0 && up_2 == 0 ? black.getRed() : white.getRed();
int down = down_1 == 0 && down_2 == 0 ? black.getRed() : white.getRed();
// if(left == right && left == 0 && up == down && up != 0 && self == 0){
// //左右为黑 上下为白
// setRGB(outImage, x, y, white.getRGB());//自己
// setRGB(outImage, x-1, y, white.getRGB());//左
// setRGB(outImage, x-1, y+1, white.getRGB());//左
// setRGB(outImage, x+1, y, white.getRGB());//右
// setRGB(outImage, x+1, y+1, white.getRGB());//右
// }else if(left == right && left != 0 && up == down && up == 0 && self == 0){
// //上下为黑 左右为白
// setRGB(outImage, x, y, white.getRGB());//自己
// setRGB(outImage, x, y-1, white.getRGB());//上
// setRGB(outImage, x+1, y-1, white.getRGB());//上
// setRGB(outImage, x, y+1, white.getRGB());//下
// setRGB(outImage, x+1, y+1, white.getRGB());//下
// }else if(left == right && up == down && left == up && left != 0 && self == 0){
// //上下左右均为白色
// setRGB(outImage, x, y, white.getRGB());//自己
// setRGB(outImage, x, y-1, white.getRGB());//上
// setRGB(outImage, x+1, y-1, white.getRGB());//上
// setRGB(outImage, x, y+1, white.getRGB());//下
// setRGB(outImage, x+1, y+1, white.getRGB());//下
// setRGB(outImage, x-1, y, white.getRGB());//左
// setRGB(outImage, x-1, y+1, white.getRGB());//左
// setRGB(outImage, x+1, y, white.getRGB());//右
// setRGB(outImage, x+1, y+1, white.getRGB());//右
// }else{
int count = 0;
count = left != 0 ? count+1 : count;
count = right != 0 ? count+1 : count;
count = up != 0 ? count+1 : count;
count = down != 0 ? count+1 : count;
if(count > 2){
setRGB(outImage, x, y, white.getRGB());//自己
}else{
setRGB(outImage, x, y, black.getRGB());
}
// }
}
}
return outImage;
}
Example 14
| Source File: PathGraphics.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 15
| Source File: PathGraphics.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 16
| Source File: PathGraphics.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 17
| Source File: PathGraphics.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 18
| Source File: PathGraphics.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 19
| Source File: PathGraphics.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
Example 20
| Source File: PathGraphics.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Return true if the BufferedImage argument has non-opaque
* bits in it and therefore can not be directly rendered by
* GDI. Return false if the image is opaque. If this function
* can not tell for sure whether the image has transparent
* pixels then it assumes that it does.
*/
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
ColorModel colorModel = bufferedImage.getColorModel();
boolean hasTransparency = colorModel == null
? true
: colorModel.getTransparency() != ColorModel.OPAQUE;
/*
* For the default INT ARGB check the image to see if any pixels are
* really transparent. If there are no transparent pixels then the
* transparency of the color model can be ignored.
* We assume that IndexColorModel images have already been
* checked for transparency and will be OPAQUE unless they actually
* have transparent pixels present.
*/
if (hasTransparency && bufferedImage != null) {
if (bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB ||
bufferedImage.getType()==BufferedImage.TYPE_INT_ARGB_PRE) {
DataBuffer db = bufferedImage.getRaster().getDataBuffer();
SampleModel sm = bufferedImage.getRaster().getSampleModel();
if (db instanceof DataBufferInt &&
sm instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel psm =
(SinglePixelPackedSampleModel)sm;
// Stealing the data array for reading only...
int[] int_data =
SunWritableRaster.stealData((DataBufferInt) db, 0);
int x = bufferedImage.getMinX();
int y = bufferedImage.getMinY();
int w = bufferedImage.getWidth();
int h = bufferedImage.getHeight();
int stride = psm.getScanlineStride();
boolean hastranspixel = false;
for (int j = y; j < y+h; j++) {
int yoff = j * stride;
for (int i = x; i < x+w; i++) {
if ((int_data[yoff+i] & 0xff000000)!=0xff000000 ) {
hastranspixel = true;
break;
}
}
if (hastranspixel) {
break;
}
}
if (hastranspixel == false) {
hasTransparency = false;
}
}
}
}
return hasTransparency;
}
