本文整理汇总了Java中java.awt.image.WritableRaster.getDataElements方法的典型用法代码示例。如果您正苦于以下问题：Java WritableRaster.getDataElements方法的具体用法？Java WritableRaster.getDataElements怎么用？Java WritableRaster.getDataElements使用的例子？那么, 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.WritableRaster的用法示例。
在下文中一共展示了WritableRaster.getDataElements方法的6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: renderGlyph
import java.awt.image.WritableRaster; //导入方法依赖的package包/类
/**
* Loads a single glyph to the backing texture, if it fits.
*
* @param glyph The glyph to be rendered
* @param width The expected width of the glyph
* @param height The expected height of the glyph
* @throws SlickException if the glyph could not be rendered.
*/
private void renderGlyph(Glyph glyph, int width, int height) throws SlickException {
// Draw the glyph to the scratch image using Java2D.
scratchGraphics.setComposite(AlphaComposite.Clear);
scratchGraphics.fillRect(0, 0, MAX_GLYPH_SIZE, MAX_GLYPH_SIZE);
scratchGraphics.setComposite(AlphaComposite.SrcOver);
scratchGraphics.setColor(java.awt.Color.white);
for (Iterator iter = unicodeFont.getEffects().iterator(); iter.hasNext();)
((Effect)iter.next()).draw(scratchImage, scratchGraphics, unicodeFont, glyph);
glyph.setShape(null); // The shape will never be needed again.
WritableRaster raster = scratchImage.getRaster();
int[] row = new int[width];
for (int y = 0; y < height; y++) {
raster.getDataElements(0, y, width, 1, row);
scratchIntBuffer.put(row);
}
GL.glTexSubImage2D(SGL.GL_TEXTURE_2D, 0, pageX, pageY, width, height, SGL.GL_BGRA, SGL.GL_UNSIGNED_BYTE,
scratchByteBuffer);
scratchIntBuffer.clear();
glyph.setImage(pageImage.getSubImage(pageX, pageY, width, height));
}
示例2: hash
import java.awt.image.WritableRaster; //导入方法依赖的package包/类
private static String hash(BufferedImage image) {
try {
MessageDigest digest = MessageDigest.getInstance("SHA1");
int width = image.getWidth();
int height = image.getHeight();
if (image.getType() != BufferedImage.TYPE_INT_ARGB) {
BufferedImage newImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
newImage.getGraphics().drawImage(image, 0, 0, null);
image = newImage;
}
WritableRaster raster = image.getRaster();
int[] pixels = new int[width];
for (int y = 0; y < height; y++) {
raster.getDataElements(0, y, width, 1, pixels);
for (int x = 0; x < width; x++) {
hash(digest, pixels[x]);
}
}
hash(digest, width);
hash(digest, height);
return new BigInteger(1, digest.digest()).toString(16);
} catch (NoSuchAlgorithmException ex) {
throw new RuntimeException(ex);
}
}
示例3: preloadLineTile
import java.awt.image.WritableRaster; //导入方法依赖的package包/类
public void preloadLineTile(int y, int length,int band) {
if (y < 0) {
return;
}
preloadedInterval = new int[]{y, y + length};
Rectangle rect = new Rectangle(0, y, getImage(band).getxSize(), length);
TIFF tiff=(TIFF)getImage(band);
rect=tiff.getBounds().intersection(rect);
TIFFImageReadParam tirp=new TIFFImageReadParam();
tirp.setSourceRegion(rect);
try {
BufferedImage bi=null;
try{
bi=tiff.read(0, tirp);
}catch(Exception e){
logger.warn("Problem reading image POS x:"+0+ " y: "+y +" try to read again");
try {
Thread.sleep(100);
} catch(InterruptedException exx) {
Thread.currentThread().interrupt();
}
bi=tiff.read(0, tirp);
}
WritableRaster raster=bi.getRaster();
preloadedData=(short[])raster.getDataElements(0, 0, raster.getWidth(), raster.getHeight(), null);//tSamples(0, 0, raster.getWidth(), raster.getHeight(), 0, (short[]) null);
} catch (Exception ex) {
logger.error(ex.getMessage(),ex);
}finally{
//tiff.reader.addIIOReadProgressListener(this);
//readComplete=false;
}
}
示例4: preloadLineTile
import java.awt.image.WritableRaster; //导入方法依赖的package包/类
@Override
public void preloadLineTile(int y, int length, int band) {
TIFF tiff=(TIFF)getImage(band);
if (y < 0) {
return;
}
preloadedInterval = new int[]{y, y + length};
Rectangle rect = new Rectangle(0, y, tiff.xSize, length);
rect=tiff.getBounds().intersection(rect);
try {
BufferedImage bi=null;
try{
bi=tiff.read(0, rect);
}catch(Exception e){
logger.warn("Problem reading image POS x:"+0+ " y: "+y +" try to read again");
try {
Thread.sleep(100);
} catch(InterruptedException exx) {
Thread.currentThread().interrupt();
}
bi=tiff.read(0, rect);
}
WritableRaster raster=bi.getRaster();
preloadedData=(Short[])raster.getDataElements(0, 0, raster.getWidth(), raster.getHeight(), null);//tSamples(0, 0, raster.getWidth(), raster.getHeight(), 0, (short[]) null);
} catch (Exception ex) {
logger.error(ex.getMessage(),ex);
}finally{
}
}
示例5: preloadLineTile
import java.awt.image.WritableRaster; //导入方法依赖的package包/类
@Override
public void preloadLineTile(int y, int length, int band) {
if (y < 0) {
return;
}
preloadedInterval = new int[]{y, y + length};
Rectangle rect = new Rectangle(0, y, getImage(band).xSize, length);
TIFF tiff=getImage(band);
rect=tiff.getBounds().intersection(rect);
try {
BufferedImage bi=null;
try{
bi=tiff.read(0, rect);
}catch(Exception e){
logger.warn("Problem reading image POS x:"+0+ " y: "+y +" try to read again");
try {
Thread.sleep(100);
} catch(InterruptedException exx) {
Thread.currentThread().interrupt();
}
bi=tiff.read(0, rect);
}
WritableRaster raster=bi.getRaster();
short[]ss=(short[])raster.getDataElements(0, 0, raster.getWidth(), raster.getHeight(), null);//tSamples(0, 0, raster.getWidth(), raster.getHeight(), 0, (short[]) null);
preloadedData=ArrayUtils.toObject(ss);
} catch (Exception ex) {
logger.error(ex.getMessage(),ex);
}finally{
//tiff.reader.addIIOReadProgressListener(this);
//readComplete=false;
}
}
示例6: setRaster
import java.awt.image.WritableRaster; //导入方法依赖的package包/类
public void setRaster(int x, int y, int xerr, int yerr,
int w, int h, int bWidth, int bHeight,
int colincx, int colincxerr,
int colincy, int colincyerr,
int rowincx, int rowincxerr,
int rowincy, int rowincyerr) {
Object data = null;
int rowx = x;
int rowy = y;
int rowxerr = xerr;
int rowyerr = yerr;
WritableRaster srcRas = this.srcRas;
WritableRaster outRas = this.outRas;
int rgbs[] = filter ? new int[4] : null;
for (int j = 0; j < h; j++) {
x = rowx;
y = rowy;
xerr = rowxerr;
yerr = rowyerr;
for (int i = 0; i < w; i++) {
data = srcRas.getDataElements(x, y, data);
if (filter) {
int nextx, nexty;
if ((nextx = x + 1) >= bWidth) {
nextx = 0;
}
if ((nexty = y + 1) >= bHeight) {
nexty = 0;
}
rgbs[0] = colorModel.getRGB(data);
data = srcRas.getDataElements(nextx, y, data);
rgbs[1] = colorModel.getRGB(data);
data = srcRas.getDataElements(x, nexty, data);
rgbs[2] = colorModel.getRGB(data);
data = srcRas.getDataElements(nextx, nexty, data);
rgbs[3] = colorModel.getRGB(data);
int rgb =
TexturePaintContext.blend(rgbs, xerr, yerr);
data = colorModel.getDataElements(rgb, data);
}
outRas.setDataElements(i, j, data);
if ((xerr += colincxerr) < 0) {
xerr &= Integer.MAX_VALUE;
x++;
}
if ((x += colincx) >= bWidth) {
x -= bWidth;
}
if ((yerr += colincyerr) < 0) {
yerr &= Integer.MAX_VALUE;
y++;
}
if ((y += colincy) >= bHeight) {
y -= bHeight;
}
}
if ((rowxerr += rowincxerr) < 0) {
rowxerr &= Integer.MAX_VALUE;
rowx++;
}
if ((rowx += rowincx) >= bWidth) {
rowx -= bWidth;
}
if ((rowyerr += rowincyerr) < 0) {
rowyerr &= Integer.MAX_VALUE;
rowy++;
}
if ((rowy += rowincy) >= bHeight) {
rowy -= bHeight;
}
}
}