本文整理汇总了Java中java.awt.image.IndexColorModel类的典型用法代码示例。如果您正苦于以下问题:Java IndexColorModel类的具体用法?Java IndexColorModel怎么用?Java IndexColorModel使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
IndexColorModel类属于java.awt.image包,在下文中一共展示了IndexColorModel类的15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: createIndexImage
import java.awt.image.IndexColorModel; //导入依赖的package包/类
private BufferedImage createIndexImage(int bpp) {
// calculate palette size
int psize = (1 << bpp);
// prepare palette;
byte[] r = new byte[psize];
byte[] g = new byte[psize];
byte[] b = new byte[psize];
for (int i = 0; i < colors.length; i++) {
r[i] = (byte)(0xff & colors[i].getRed());
g[i] = (byte)(0xff & colors[i].getGreen());
b[i] = (byte)(0xff & colors[i].getBlue());
}
// now prepare appropriate index clor model
IndexColorModel icm = new IndexColorModel(bpp, psize, r, g, b);
return new BufferedImage(w, h, BufferedImage.TYPE_BYTE_INDEXED, icm);
}
示例2: write
import java.awt.image.IndexColorModel; //导入依赖的package包/类
void write(ImageOutputStream ios,
JPEGImageWriter writer) throws IOException {
super.write(ios, writer); // width and height
// Write the palette (must be 768 bytes)
byte [] palette = new byte[768];
IndexColorModel icm = (IndexColorModel) thumbnail.getColorModel();
byte [] reds = new byte [256];
byte [] greens = new byte [256];
byte [] blues = new byte [256];
icm.getReds(reds);
icm.getGreens(greens);
icm.getBlues(blues);
for (int i = 0; i < 256; i++) {
palette[i*3] = reds[i];
palette[i*3+1] = greens[i];
palette[i*3+2] = blues[i];
}
ios.write(palette);
writePixels(ios, writer);
}
示例3: gethISTNode
import java.awt.image.IndexColorModel; //导入依赖的package包/类
private IIOMetadataNode gethISTNode(BufferedImage bi) {
IndexColorModel icm = (IndexColorModel)bi.getColorModel();
int mapSize = icm.getMapSize();
int[] hist = new int[mapSize];
Arrays.fill(hist, 0);
Raster r = bi.getData();
for (int y = 0; y < bi.getHeight(); y++) {
for (int x = 0; x < bi.getWidth(); x++) {
int s = r.getSample(x, y, 0);
hist[s] ++;
}
}
IIOMetadataNode hIST = new IIOMetadataNode("hIST");
for (int i = 0; i < hist.length; i++) {
IIOMetadataNode n = new IIOMetadataNode("hISTEntry");
n.setAttribute("index", "" + i);
n.setAttribute("value", "" + hist[i]);
hIST.appendChild(n);
}
return hIST;
}
示例4: encodeRLE4Test
import java.awt.image.IndexColorModel; //导入依赖的package包/类
private static void encodeRLE4Test() throws IOException {
// create 4bpp image
byte[] r = new byte[16];
r[0] = (byte)0xff;
byte[] g = new byte[16];
g[1] = (byte)0xff;
byte[] b = new byte[16];
b[2] = (byte)0xff;
IndexColorModel icm = new IndexColorModel(4, 16, r, g, b);
BufferedImage bimg = new BufferedImage(100, 100,
BufferedImage.TYPE_BYTE_BINARY,
icm);
Graphics gr = bimg.getGraphics();
gr.setColor(Color.green);
gr.fillRect(0, 0, 100, 100);
doTest(bimg, "BI_RLE4", ImageWriteParam.MODE_EXPLICIT);
}
示例5: FloatColorMap
import java.awt.image.IndexColorModel; //导入依赖的package包/类
/**
* Constructs a color map with more than one color components.
* @param f arrays of floats, one array for each color component.
* @param ic array index of the component for the index color model.
* @param icm the index color model corresponding to one component.
*/
public FloatColorMap(float[][][] f, int ic, IndexColorModel icm) {
super(icm);
Check.argument(
f.length==1 || f.length==3 || f.length==4,
"number of arrays (color components) equals 1, 3, or 4");
int nc = f.length;
FloatByteMap[] fbm = new FloatByteMap[nc];
for (int jc=0; jc<nc; ++jc)
fbm[jc] = new FloatByteMap(f[jc]);
_fbmi0 = fbm[0];
_fbmi1 = (nc>1)?fbm[1]:fbm[0];
_fbmi2 = (nc>1)?fbm[2]:fbm[0];
_fbmi3 = (nc>3)?fbm[3]:null;
_fbmic = fbm[ic];
}
示例6: Setup
import java.awt.image.IndexColorModel; //导入依赖的package包/类
private void Setup() {
balls = new Image[nBalls];
byte red[] = new byte[256];
red[0] = (byte) bgGrey;
byte green[] = new byte[256];
green[0] = (byte) bgGrey;
byte blue[] = new byte[256];
blue[0] = (byte) bgGrey;
for (int r = 0; r < nBalls; r++) {
float b = (float) (r + 1) / nBalls;
for (int i = maxr; i >= 1; --i) {
float d = (float) i / maxr;
red[i] = (byte) blend(blend(Rl, 255, d), bgGrey, b);
green[i] = (byte) blend(blend(Gl, 255, d), bgGrey, b);
blue[i] = (byte) blend(blend(Bl, 255, d), bgGrey, b);
}
IndexColorModel model = new IndexColorModel(8, maxr + 1,
red, green, blue, 0);
balls[r] = applet.createImage(
new MemoryImageSource(R * 2, R * 2, model, data, 0, R * 2));
}
}
示例7: createIndexedBitmaskColorModel
import java.awt.image.IndexColorModel; //导入依赖的package包/类
protected static IndexColorModel createIndexedBitmaskColorModel() {
int paletteSize = 8;
byte[] red = new byte[paletteSize];
byte[] green = new byte[paletteSize];
byte[] blue = new byte[paletteSize];
red[0] = (byte)0xff; green[0] = (byte)0x00; blue[0] = (byte)0x00;
red[1] = (byte)0x00; green[1] = (byte)0xff; blue[1] = (byte)0x00;
red[2] = (byte)0x00; green[2] = (byte)0x00; blue[2] = (byte)0xff;
red[3] = (byte)0xff; green[3] = (byte)0xff; blue[3] = (byte)0xff;
red[4] = (byte)0x00; green[4] = (byte)0x00; blue[4] = (byte)0x00;
red[5] = (byte)0x80; green[5] = (byte)0x80; blue[5] = (byte)0x80;
red[6] = (byte)0xff; green[6] = (byte)0xff; blue[6] = (byte)0x00;
red[7] = (byte)0x00; green[7] = (byte)0xff; blue[7] = (byte)0xff;
int numBits = 3;
IndexColorModel icm = new IndexColorModel(numBits, paletteSize,
red, green, blue, 5);
return icm;
}
示例8: setAlpha
import java.awt.image.IndexColorModel; //导入依赖的package包/类
/**
* Returns an index color model with specified opacity (alpha).
* @param icm an index color model from which to copy RGBs.
* @param alpha opacity in the range [0.0,1.0].
* @return the index color model with alpha.
*/
public static IndexColorModel setAlpha(IndexColorModel icm, double alpha) {
int bits = icm.getPixelSize();
int size = icm.getMapSize();
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
byte[] a = new byte[size];
icm.getReds(r);
icm.getGreens(g);
icm.getBlues(b);
byte ia = (byte)(255.0*alpha+0.5);
for (int i=0; i<size; ++i)
a[i] = ia;
return new IndexColorModel(bits,size,r,g,b,a);
}
示例9: verifyEquals
import java.awt.image.IndexColorModel; //导入依赖的package包/类
private static void verifyEquals(IndexColorModel m1,
IndexColorModel m2) {
if (m1.equals(null)) {
throw new RuntimeException("equals(null) returns true");
}
if (!(m1.equals(m2))) {
throw new RuntimeException("equals() method is not working"
+ " properly");
}
if (!(m2.equals(m1))) {
throw new RuntimeException("equals() method is not working"
+ " properly");
}
if (m1.hashCode() != m2.hashCode()) {
throw new RuntimeException("HashCode is not same for same"
+ " IndexColorModels");
}
}
示例10: createDataBC
import java.awt.image.IndexColorModel; //导入依赖的package包/类
public static SurfaceData createDataBC(BufferedImage bImg,
SurfaceType sType,
int primaryBank,
double scaleX, double scaleY)
{
ByteComponentRaster bcRaster =
(ByteComponentRaster)bImg.getRaster();
BufImgSurfaceData bisd =
new BufImgSurfaceData(bcRaster.getDataBuffer(), bImg, sType,
scaleX, scaleY);
ColorModel cm = bImg.getColorModel();
IndexColorModel icm = ((cm instanceof IndexColorModel)
? (IndexColorModel) cm
: null);
bisd.initRaster(bcRaster.getDataStorage(),
bcRaster.getDataOffset(primaryBank), 0,
bcRaster.getWidth(),
bcRaster.getHeight(),
bcRaster.getPixelStride(),
bcRaster.getScanlineStride(),
icm);
return bisd;
}
示例11: getDefaultPalette
import java.awt.image.IndexColorModel; //导入依赖的package包/类
private static synchronized byte[] getDefaultPalette() {
if (defaultPalette == null) {
BufferedImage img = new BufferedImage(1, 1,
BufferedImage.TYPE_BYTE_INDEXED);
IndexColorModel icm = (IndexColorModel) img.getColorModel();
final int size = icm.getMapSize();
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
icm.getReds(r);
icm.getGreens(g);
icm.getBlues(b);
defaultPalette = new byte[size * 3];
for (int i = 0; i < size; i++) {
defaultPalette[3 * i + 0] = r[i];
defaultPalette[3 * i + 1] = g[i];
defaultPalette[3 * i + 2] = b[i];
}
}
return defaultPalette;
}
示例12: createColorModel
import java.awt.image.IndexColorModel; //导入依赖的package包/类
public static IndexColorModel createColorModel() {
// Create a 6x6x6 color cube
int[] cmap = new int[256];
int i = 0;
for (int r = 0; r < 256; r += 51) {
for (int g = 0; g < 256; g += 51) {
for (int b = 0; b < 256; b += 51) {
cmap[i++] = (r << 16) | (g << 8) | b;
}
}
}
// And populate the rest of the cmap with gray values
int grayIncr = 256 / (256 - i);
// The gray ramp will be between 18 and 252
int gray = grayIncr * 3;
for (; i < 256; i++) {
cmap[i] = (gray << 16) | (gray << 8) | gray;
gray += grayIncr;
}
return new IndexColorModel(8, 256, cmap, 0, false, -1,
DataBuffer.TYPE_BYTE);
}
示例13: createDataSC
import java.awt.image.IndexColorModel; //导入依赖的package包/类
public static SurfaceData createDataSC(BufferedImage bImg,
SurfaceType sType,
IndexColorModel icm) {
ShortComponentRaster scRaster =
(ShortComponentRaster)bImg.getRaster();
BufImgSurfaceData bisd =
new BufImgSurfaceData(scRaster.getDataBuffer(), bImg, sType);
bisd.initRaster(scRaster.getDataStorage(),
scRaster.getDataOffset(0) * 2, 0,
scRaster.getWidth(),
scRaster.getHeight(),
scRaster.getPixelStride() * 2,
scRaster.getScanlineStride() * 2,
icm);
return bisd;
}
示例14: createDataBC
import java.awt.image.IndexColorModel; //导入依赖的package包/类
public static SurfaceData createDataBC(BufferedImage bImg,
SurfaceType sType,
int primaryBank) {
ByteComponentRaster bcRaster =
(ByteComponentRaster)bImg.getRaster();
BufImgSurfaceData bisd =
new BufImgSurfaceData(bcRaster.getDataBuffer(), bImg, sType);
ColorModel cm = bImg.getColorModel();
IndexColorModel icm = ((cm instanceof IndexColorModel)
? (IndexColorModel) cm
: null);
bisd.initRaster(bcRaster.getDataStorage(),
bcRaster.getDataOffset(primaryBank), 0,
bcRaster.getWidth(),
bcRaster.getHeight(),
bcRaster.getPixelStride(),
bcRaster.getScanlineStride(),
icm);
return bisd;
}
示例15: createDataBP
import java.awt.image.IndexColorModel; //导入依赖的package包/类
public static SurfaceData createDataBP(BufferedImage bImg,
SurfaceType sType) {
BytePackedRaster bpRaster =
(BytePackedRaster)bImg.getRaster();
BufImgSurfaceData bisd =
new BufImgSurfaceData(bpRaster.getDataBuffer(), bImg, sType);
ColorModel cm = bImg.getColorModel();
IndexColorModel icm = ((cm instanceof IndexColorModel)
? (IndexColorModel) cm
: null);
bisd.initRaster(bpRaster.getDataStorage(),
bpRaster.getDataBitOffset() / 8,
bpRaster.getDataBitOffset() & 7,
bpRaster.getWidth(),
bpRaster.getHeight(),
0,
bpRaster.getScanlineStride(),
icm);
return bisd;
}