本文整理匯總了Java中java.awt.image.WritableRaster.getDataElements方法的典型用法代碼示例。如果您正苦於以下問題：Java WritableRaster.getDataElements方法的具體用法？Java WritableRaster.getDataElements怎麽用？Java WritableRaster.getDataElements使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.awt.image.WritableRaster的用法示例。
在下文中一共展示了WritableRaster.getDataElements方法的6個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: renderGlyph
import java.awt.image.WritableRaster; //導入方法依賴的package包/類
/**
* 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; //導入方法依賴的package包/類
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; //導入方法依賴的package包/類
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; //導入方法依賴的package包/類
@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; //導入方法依賴的package包/類
@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; //導入方法依賴的package包/類
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;
}
}
}