Java Code Examples for java.awt.image.ColorModel#getRGB()
The following examples show how to use
java.awt.image.ColorModel#getRGB() .
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Example 1
| Source File: RGBImageFilter.java From jdk1.8-source-analysis with Apache License 2.0 | 6 votes |
|
/**
* If the ColorModel object is the same one that has already
* been converted, then simply passes the pixels through with the
* converted ColorModel. Otherwise converts the buffer of byte
* pixels to the default RGB ColorModel and passes the converted
* buffer to the filterRGBPixels method to be converted one by one.
* <p>
* Note: This method is intended to be called by the
* <code>ImageProducer</code> of the <code>Image</code> whose pixels
* are being filtered. Developers using
* this class to filter pixels from an image should avoid calling
* this method directly since that operation could interfere
* with the filtering operation.
* @see ColorModel#getRGBdefault
* @see #filterRGBPixels
*/
public void setPixels(int x, int y, int w, int h,
ColorModel model, byte pixels[], int off,
int scansize) {
if (model == origmodel) {
consumer.setPixels(x, y, w, h, newmodel, pixels, off, scansize);
} else {
int filteredpixels[] = new int[w];
int index = off;
for (int cy = 0; cy < h; cy++) {
for (int cx = 0; cx < w; cx++) {
filteredpixels[cx] = model.getRGB((pixels[index] & 0xff));
index++;
}
index += scansize - w;
filterRGBPixels(x, y + cy, w, 1, filteredpixels, 0, w);
}
}
}
Example 2
| Source File: RGBImageFilter.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
/**
* If the ColorModel object is the same one that has already
* been converted, then simply passes the pixels through with the
* converted ColorModel. Otherwise converts the buffer of byte
* pixels to the default RGB ColorModel and passes the converted
* buffer to the filterRGBPixels method to be converted one by one.
* <p>
* Note: This method is intended to be called by the
* <code>ImageProducer</code> of the <code>Image</code> whose pixels
* are being filtered. Developers using
* this class to filter pixels from an image should avoid calling
* this method directly since that operation could interfere
* with the filtering operation.
* @see ColorModel#getRGBdefault
* @see #filterRGBPixels
*/
public void setPixels(int x, int y, int w, int h,
ColorModel model, byte pixels[], int off,
int scansize) {
if (model == origmodel) {
consumer.setPixels(x, y, w, h, newmodel, pixels, off, scansize);
} else {
int filteredpixels[] = new int[w];
int index = off;
for (int cy = 0; cy < h; cy++) {
for (int cx = 0; cx < w; cx++) {
filteredpixels[cx] = model.getRGB((pixels[index] & 0xff));
index++;
}
index += scansize - w;
filterRGBPixels(x, y + cy, w, 1, filteredpixels, 0, w);
}
}
}
Example 3
| Source File: RGBImageFilter.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* If the ColorModel object is the same one that has already
* been converted, then simply passes the pixels through with the
* converted ColorModel. Otherwise converts the buffer of byte
* pixels to the default RGB ColorModel and passes the converted
* buffer to the filterRGBPixels method to be converted one by one.
* <p>
* Note: This method is intended to be called by the
* <code>ImageProducer</code> of the <code>Image</code> whose pixels
* are being filtered. Developers using
* this class to filter pixels from an image should avoid calling
* this method directly since that operation could interfere
* with the filtering operation.
* @see ColorModel#getRGBdefault
* @see #filterRGBPixels
*/
public void setPixels(int x, int y, int w, int h,
ColorModel model, byte pixels[], int off,
int scansize) {
if (model == origmodel) {
consumer.setPixels(x, y, w, h, newmodel, pixels, off, scansize);
} else {
int filteredpixels[] = new int[w];
int index = off;
for (int cy = 0; cy < h; cy++) {
for (int cx = 0; cx < w; cx++) {
filteredpixels[cx] = model.getRGB((pixels[index] & 0xff));
index++;
}
index += scansize - w;
filterRGBPixels(x, y + cy, w, 1, filteredpixels, 0, w);
}
}
}
Example 4
| Source File: RGBImageFilter.java From JDKSourceCode1.8 with MIT License | 6 votes |
|
/**
* If the ColorModel object is the same one that has already
* been converted, then simply passes the pixels through with the
* converted ColorModel, otherwise converts the buffer of integer
* pixels to the default RGB ColorModel and passes the converted
* buffer to the filterRGBPixels method to be converted one by one.
* Converts a buffer of integer pixels to the default RGB ColorModel
* and passes the converted buffer to the filterRGBPixels method.
* <p>
* Note: This method is intended to be called by the
* <code>ImageProducer</code> of the <code>Image</code> whose pixels
* are being filtered. Developers using
* this class to filter pixels from an image should avoid calling
* this method directly since that operation could interfere
* with the filtering operation.
* @see ColorModel#getRGBdefault
* @see #filterRGBPixels
*/
public void setPixels(int x, int y, int w, int h,
ColorModel model, int pixels[], int off,
int scansize) {
if (model == origmodel) {
consumer.setPixels(x, y, w, h, newmodel, pixels, off, scansize);
} else {
int filteredpixels[] = new int[w];
int index = off;
for (int cy = 0; cy < h; cy++) {
for (int cx = 0; cx < w; cx++) {
filteredpixels[cx] = model.getRGB(pixels[index]);
index++;
}
index += scansize - w;
filterRGBPixels(x, y + cy, w, 1, filteredpixels, 0, w);
}
}
}
Example 5
| Source File: RGBImageFilter.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* If the ColorModel object is the same one that has already
* been converted, then simply passes the pixels through with the
* converted ColorModel. Otherwise converts the buffer of byte
* pixels to the default RGB ColorModel and passes the converted
* buffer to the filterRGBPixels method to be converted one by one.
* <p>
* Note: This method is intended to be called by the
* <code>ImageProducer</code> of the <code>Image</code> whose pixels
* are being filtered. Developers using
* this class to filter pixels from an image should avoid calling
* this method directly since that operation could interfere
* with the filtering operation.
* @see ColorModel#getRGBdefault
* @see #filterRGBPixels
*/
public void setPixels(int x, int y, int w, int h,
ColorModel model, byte pixels[], int off,
int scansize) {
if (model == origmodel) {
consumer.setPixels(x, y, w, h, newmodel, pixels, off, scansize);
} else {
int filteredpixels[] = new int[w];
int index = off;
for (int cy = 0; cy < h; cy++) {
for (int cx = 0; cx < w; cx++) {
filteredpixels[cx] = model.getRGB((pixels[index] & 0xff));
index++;
}
index += scansize - w;
filterRGBPixels(x, y + cy, w, 1, filteredpixels, 0, w);
}
}
}
Example 6
| Source File: RGBImageFilter.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* If the ColorModel object is the same one that has already
* been converted, then simply passes the pixels through with the
* converted ColorModel. Otherwise converts the buffer of byte
* pixels to the default RGB ColorModel and passes the converted
* buffer to the filterRGBPixels method to be converted one by one.
* <p>
* Note: This method is intended to be called by the
* <code>ImageProducer</code> of the <code>Image</code> whose pixels
* are being filtered. Developers using
* this class to filter pixels from an image should avoid calling
* this method directly since that operation could interfere
* with the filtering operation.
* @see ColorModel#getRGBdefault
* @see #filterRGBPixels
*/
public void setPixels(int x, int y, int w, int h,
ColorModel model, byte pixels[], int off,
int scansize) {
if (model == origmodel) {
consumer.setPixels(x, y, w, h, newmodel, pixels, off, scansize);
} else {
int filteredpixels[] = new int[w];
int index = off;
for (int cy = 0; cy < h; cy++) {
for (int cx = 0; cx < w; cx++) {
filteredpixels[cx] = model.getRGB((pixels[index] & 0xff));
index++;
}
index += scansize - w;
filterRGBPixels(x, y + cy, w, 1, filteredpixels, 0, w);
}
}
}
Example 7
| Source File: RGBImageFilter.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* If the ColorModel object is the same one that has already
* been converted, then simply passes the pixels through with the
* converted ColorModel, otherwise converts the buffer of integer
* pixels to the default RGB ColorModel and passes the converted
* buffer to the filterRGBPixels method to be converted one by one.
* Converts a buffer of integer pixels to the default RGB ColorModel
* and passes the converted buffer to the filterRGBPixels method.
* <p>
* Note: This method is intended to be called by the
* <code>ImageProducer</code> of the <code>Image</code> whose pixels
* are being filtered. Developers using
* this class to filter pixels from an image should avoid calling
* this method directly since that operation could interfere
* with the filtering operation.
* @see ColorModel#getRGBdefault
* @see #filterRGBPixels
*/
public void setPixels(int x, int y, int w, int h,
ColorModel model, int pixels[], int off,
int scansize) {
if (model == origmodel) {
consumer.setPixels(x, y, w, h, newmodel, pixels, off, scansize);
} else {
int filteredpixels[] = new int[w];
int index = off;
for (int cy = 0; cy < h; cy++) {
for (int cx = 0; cx < w; cx++) {
filteredpixels[cx] = model.getRGB(pixels[index]);
index++;
}
index += scansize - w;
filterRGBPixels(x, y + cy, w, 1, filteredpixels, 0, w);
}
}
}
Example 8
| Source File: BMPPluginTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private boolean compare(BufferedImage in, BufferedImage out) {
int width = in.getWidth();
int height = in.getHeight();
if (out.getWidth() != width || out.getHeight() != height) {
throw new RuntimeException("Dimensions changed!");
}
Raster oldras = in.getRaster();
ColorModel oldcm = in.getColorModel();
Raster newras = out.getRaster();
ColorModel newcm = out.getColorModel();
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
Object oldpixel = oldras.getDataElements(i, j, null);
int oldrgb = oldcm.getRGB(oldpixel);
int oldalpha = oldcm.getAlpha(oldpixel);
Object newpixel = newras.getDataElements(i, j, null);
int newrgb = newcm.getRGB(newpixel);
int newalpha = newcm.getAlpha(newpixel);
if (newrgb != oldrgb ||
newalpha != oldalpha) {
throw new RuntimeException("Pixels differ at " + i +
", " + j);
}
}
}
return true;
}
Example 9
| Source File: BMPCompressionTest.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
private boolean compare(final BufferedImage in, final BufferedImage out) {
final int width = in.getWidth();
int height = in.getHeight();
if (out.getWidth() != width || out.getHeight() != height) {
throw new RuntimeException("Dimensions changed!");
}
Raster oldras = in.getRaster();
ColorModel oldcm = in.getColorModel();
Raster newras = out.getRaster();
ColorModel newcm = out.getColorModel();
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
Object oldpixel = oldras.getDataElements(i, j, null);
int oldrgb = oldcm.getRGB(oldpixel);
int oldalpha = oldcm.getAlpha(oldpixel);
Object newpixel = newras.getDataElements(i, j, null);
int newrgb = newcm.getRGB(newpixel);
int newalpha = newcm.getAlpha(newpixel);
if (newrgb != oldrgb ||
newalpha != oldalpha) {
// showDiff(in, out);
throw new RuntimeException("Pixels differ at " + i +
", " + j + " new = " + Integer.toHexString(newrgb) + " old = " + Integer.toHexString(oldrgb));
}
}
}
return true;
}
Example 10
| Source File: BMPWriteParamTest.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
private static boolean compare(final BufferedImage in,
final BufferedImage out)
{
final int width = in.getWidth();
int height = in.getHeight();
if (out.getWidth() != width || out.getHeight() != height) {
throw new RuntimeException("Dimensions changed!");
}
Raster oldras = in.getRaster();
ColorModel oldcm = in.getColorModel();
Raster newras = out.getRaster();
ColorModel newcm = out.getColorModel();
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
Object oldpixel = oldras.getDataElements(i, j, null);
int oldrgb = oldcm.getRGB(oldpixel);
int oldalpha = oldcm.getAlpha(oldpixel);
Object newpixel = newras.getDataElements(i, j, null);
int newrgb = newcm.getRGB(newpixel);
int newalpha = newcm.getAlpha(newpixel);
if (newrgb != oldrgb ||
newalpha != oldalpha) {
// showDiff(in, out);
throw new RuntimeException("Pixels differ at " + i +
", " + j + " new = " + Integer.toHexString(newrgb) + " old = " + Integer.toHexString(oldrgb));
}
}
}
return true;
}
Example 11
| Source File: ImageCompare.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
public static void compare(BufferedImage oldimg,
BufferedImage newimg) {
int width = oldimg.getWidth();
int height = oldimg.getHeight();
if (newimg.getWidth() != width || newimg.getHeight() != height) {
throw new RuntimeException("Dimensions changed!");
}
Raster oldras = oldimg.getRaster();
ColorModel oldcm = oldimg.getColorModel();
Raster newras = newimg.getRaster();
ColorModel newcm = newimg.getColorModel();
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
Object oldpixel = oldras.getDataElements(i, j, null);
int oldrgb = oldcm.getRGB(oldpixel);
int oldalpha = oldcm.getAlpha(oldpixel);
Object newpixel = newras.getDataElements(i, j, null);
int newrgb = newcm.getRGB(newpixel);
int newalpha = newcm.getAlpha(newpixel);
if (newrgb != oldrgb ||
newalpha != oldalpha) {
throw new RuntimeException("Pixels differ at " + i +
", " + j);
}
}
}
}
Example 12
| Source File: AreaAveragingScaleFilter.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
private void accumPixels(int x, int y, int w, int h,
ColorModel model, Object pixels, int off,
int scansize) {
if (reds == null) {
makeAccumBuffers();
}
int sy = y;
int syrem = destHeight;
int dy, dyrem;
if (sy == 0) {
dy = 0;
dyrem = 0;
} else {
dy = savedy;
dyrem = savedyrem;
}
while (sy < y + h) {
int amty;
if (dyrem == 0) {
for (int i = 0; i < destWidth; i++) {
alphas[i] = reds[i] = greens[i] = blues[i] = 0f;
}
dyrem = srcHeight;
}
if (syrem < dyrem) {
amty = syrem;
} else {
amty = dyrem;
}
int sx = 0;
int dx = 0;
int sxrem = 0;
int dxrem = srcWidth;
float a = 0f, r = 0f, g = 0f, b = 0f;
while (sx < w) {
if (sxrem == 0) {
sxrem = destWidth;
int rgb;
if (pixels instanceof byte[]) {
rgb = ((byte[]) pixels)[off + sx] & 0xff;
} else {
rgb = ((int[]) pixels)[off + sx];
}
// getRGB() always returns non-premultiplied components
rgb = model.getRGB(rgb);
a = rgb >>> 24;
r = (rgb >> 16) & 0xff;
g = (rgb >> 8) & 0xff;
b = rgb & 0xff;
// premultiply the components if necessary
if (a != 255.0f) {
float ascale = a / 255.0f;
r *= ascale;
g *= ascale;
b *= ascale;
}
}
int amtx;
if (sxrem < dxrem) {
amtx = sxrem;
} else {
amtx = dxrem;
}
float mult = ((float) amtx) * amty;
alphas[dx] += mult * a;
reds[dx] += mult * r;
greens[dx] += mult * g;
blues[dx] += mult * b;
if ((sxrem -= amtx) == 0) {
sx++;
}
if ((dxrem -= amtx) == 0) {
dx++;
dxrem = srcWidth;
}
}
if ((dyrem -= amty) == 0) {
int outpix[] = calcRow();
do {
consumer.setPixels(0, dy, destWidth, 1,
rgbmodel, outpix, 0, destWidth);
dy++;
} while ((syrem -= amty) >= amty && amty == srcHeight);
} else {
syrem -= amty;
}
if (syrem == 0) {
syrem = destHeight;
sy++;
off += scansize;
}
}
savedyrem = dyrem;
savedy = dy;
}
Example 13
| Source File: AreaAveragingScaleFilter.java From JDKSourceCode1.8 with MIT License | 4 votes |
|
private void accumPixels(int x, int y, int w, int h,
ColorModel model, Object pixels, int off,
int scansize) {
if (reds == null) {
makeAccumBuffers();
}
int sy = y;
int syrem = destHeight;
int dy, dyrem;
if (sy == 0) {
dy = 0;
dyrem = 0;
} else {
dy = savedy;
dyrem = savedyrem;
}
while (sy < y + h) {
int amty;
if (dyrem == 0) {
for (int i = 0; i < destWidth; i++) {
alphas[i] = reds[i] = greens[i] = blues[i] = 0f;
}
dyrem = srcHeight;
}
if (syrem < dyrem) {
amty = syrem;
} else {
amty = dyrem;
}
int sx = 0;
int dx = 0;
int sxrem = 0;
int dxrem = srcWidth;
float a = 0f, r = 0f, g = 0f, b = 0f;
while (sx < w) {
if (sxrem == 0) {
sxrem = destWidth;
int rgb;
if (pixels instanceof byte[]) {
rgb = ((byte[]) pixels)[off + sx] & 0xff;
} else {
rgb = ((int[]) pixels)[off + sx];
}
// getRGB() always returns non-premultiplied components
rgb = model.getRGB(rgb);
a = rgb >>> 24;
r = (rgb >> 16) & 0xff;
g = (rgb >> 8) & 0xff;
b = rgb & 0xff;
// premultiply the components if necessary
if (a != 255.0f) {
float ascale = a / 255.0f;
r *= ascale;
g *= ascale;
b *= ascale;
}
}
int amtx;
if (sxrem < dxrem) {
amtx = sxrem;
} else {
amtx = dxrem;
}
float mult = ((float) amtx) * amty;
alphas[dx] += mult * a;
reds[dx] += mult * r;
greens[dx] += mult * g;
blues[dx] += mult * b;
if ((sxrem -= amtx) == 0) {
sx++;
}
if ((dxrem -= amtx) == 0) {
dx++;
dxrem = srcWidth;
}
}
if ((dyrem -= amty) == 0) {
int outpix[] = calcRow();
do {
consumer.setPixels(0, dy, destWidth, 1,
rgbmodel, outpix, 0, destWidth);
dy++;
} while ((syrem -= amty) >= amty && amty == srcHeight);
} else {
syrem -= amty;
}
if (syrem == 0) {
syrem = destHeight;
sy++;
off += scansize;
}
}
savedyrem = dyrem;
savedy = dy;
}
Example 14
| Source File: AreaAveragingScaleFilter.java From hottub with GNU General Public License v2.0 | 4 votes |
|
private void accumPixels(int x, int y, int w, int h,
ColorModel model, Object pixels, int off,
int scansize) {
if (reds == null) {
makeAccumBuffers();
}
int sy = y;
int syrem = destHeight;
int dy, dyrem;
if (sy == 0) {
dy = 0;
dyrem = 0;
} else {
dy = savedy;
dyrem = savedyrem;
}
while (sy < y + h) {
int amty;
if (dyrem == 0) {
for (int i = 0; i < destWidth; i++) {
alphas[i] = reds[i] = greens[i] = blues[i] = 0f;
}
dyrem = srcHeight;
}
if (syrem < dyrem) {
amty = syrem;
} else {
amty = dyrem;
}
int sx = 0;
int dx = 0;
int sxrem = 0;
int dxrem = srcWidth;
float a = 0f, r = 0f, g = 0f, b = 0f;
while (sx < w) {
if (sxrem == 0) {
sxrem = destWidth;
int rgb;
if (pixels instanceof byte[]) {
rgb = ((byte[]) pixels)[off + sx] & 0xff;
} else {
rgb = ((int[]) pixels)[off + sx];
}
// getRGB() always returns non-premultiplied components
rgb = model.getRGB(rgb);
a = rgb >>> 24;
r = (rgb >> 16) & 0xff;
g = (rgb >> 8) & 0xff;
b = rgb & 0xff;
// premultiply the components if necessary
if (a != 255.0f) {
float ascale = a / 255.0f;
r *= ascale;
g *= ascale;
b *= ascale;
}
}
int amtx;
if (sxrem < dxrem) {
amtx = sxrem;
} else {
amtx = dxrem;
}
float mult = ((float) amtx) * amty;
alphas[dx] += mult * a;
reds[dx] += mult * r;
greens[dx] += mult * g;
blues[dx] += mult * b;
if ((sxrem -= amtx) == 0) {
sx++;
}
if ((dxrem -= amtx) == 0) {
dx++;
dxrem = srcWidth;
}
}
if ((dyrem -= amty) == 0) {
int outpix[] = calcRow();
do {
consumer.setPixels(0, dy, destWidth, 1,
rgbmodel, outpix, 0, destWidth);
dy++;
} while ((syrem -= amty) >= amty && amty == srcHeight);
} else {
syrem -= amty;
}
if (syrem == 0) {
syrem = destHeight;
sy++;
off += scansize;
}
}
savedyrem = dyrem;
savedy = dy;
}
Example 15
| Source File: CustomComponent.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
public void Blit(SurfaceData src, SurfaceData dst,
Composite comp, Region clip,
int srcx, int srcy, int dstx, int dsty, int w, int h)
{
Raster srcRast = src.getRaster(srcx, srcy, w, h);
ColorModel srcCM = src.getColorModel();
Raster dstRast = dst.getRaster(dstx, dsty, w, h);
IntegerComponentRaster icr = (IntegerComponentRaster) dstRast;
int[] dstPix = icr.getDataStorage();
Region roi = CustomComponent.getRegionOfInterest(src, dst, clip,
srcx, srcy,
dstx, dsty, w, h);
SpanIterator si = roi.getSpanIterator();
Object srcPix = null;
int dstScan = icr.getScanlineStride();
// assert(icr.getPixelStride() == 1);
srcx -= dstx;
srcy -= dsty;
int span[] = new int[4];
while (si.nextSpan(span)) {
int rowoff = icr.getDataOffset(0) + span[1] * dstScan + span[0];
for (int y = span[1]; y < span[3]; y++) {
int off = rowoff;
for (int x = span[0]; x < span[2]; x++) {
srcPix = srcRast.getDataElements(x+srcx, y+srcy, srcPix);
dstPix[off++] = srcCM.getRGB(srcPix);
}
rowoff += dstScan;
}
}
// Pixels in the dest were modified directly, we must
// manually notify the raster that it was modified
icr.markDirty();
// REMIND: We need to do something to make sure that dstRast
// is put back to the destination (as in the native Release
// function)
// src.releaseRaster(srcRast); // NOP?
// dst.releaseRaster(dstRast);
}
Example 16
| Source File: AreaAveragingScaleFilter.java From jdk-1.7-annotated with Apache License 2.0 | 4 votes |
|
private void accumPixels(int x, int y, int w, int h,
ColorModel model, Object pixels, int off,
int scansize) {
if (reds == null) {
makeAccumBuffers();
}
int sy = y;
int syrem = destHeight;
int dy, dyrem;
if (sy == 0) {
dy = 0;
dyrem = 0;
} else {
dy = savedy;
dyrem = savedyrem;
}
while (sy < y + h) {
int amty;
if (dyrem == 0) {
for (int i = 0; i < destWidth; i++) {
alphas[i] = reds[i] = greens[i] = blues[i] = 0f;
}
dyrem = srcHeight;
}
if (syrem < dyrem) {
amty = syrem;
} else {
amty = dyrem;
}
int sx = 0;
int dx = 0;
int sxrem = 0;
int dxrem = srcWidth;
float a = 0f, r = 0f, g = 0f, b = 0f;
while (sx < w) {
if (sxrem == 0) {
sxrem = destWidth;
int rgb;
if (pixels instanceof byte[]) {
rgb = ((byte[]) pixels)[off + sx] & 0xff;
} else {
rgb = ((int[]) pixels)[off + sx];
}
// getRGB() always returns non-premultiplied components
rgb = model.getRGB(rgb);
a = rgb >>> 24;
r = (rgb >> 16) & 0xff;
g = (rgb >> 8) & 0xff;
b = rgb & 0xff;
// premultiply the components if necessary
if (a != 255.0f) {
float ascale = a / 255.0f;
r *= ascale;
g *= ascale;
b *= ascale;
}
}
int amtx;
if (sxrem < dxrem) {
amtx = sxrem;
} else {
amtx = dxrem;
}
float mult = ((float) amtx) * amty;
alphas[dx] += mult * a;
reds[dx] += mult * r;
greens[dx] += mult * g;
blues[dx] += mult * b;
if ((sxrem -= amtx) == 0) {
sx++;
}
if ((dxrem -= amtx) == 0) {
dx++;
dxrem = srcWidth;
}
}
if ((dyrem -= amty) == 0) {
int outpix[] = calcRow();
do {
consumer.setPixels(0, dy, destWidth, 1,
rgbmodel, outpix, 0, destWidth);
dy++;
} while ((syrem -= amty) >= amty && amty == srcHeight);
} else {
syrem -= amty;
}
if (syrem == 0) {
syrem = destHeight;
sy++;
off += scansize;
}
}
savedyrem = dyrem;
savedy = dy;
}
Example 17
| Source File: AreaAveragingScaleFilter.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private void accumPixels(int x, int y, int w, int h,
ColorModel model, Object pixels, int off,
int scansize) {
if (reds == null) {
makeAccumBuffers();
}
int sy = y;
int syrem = destHeight;
int dy, dyrem;
if (sy == 0) {
dy = 0;
dyrem = 0;
} else {
dy = savedy;
dyrem = savedyrem;
}
while (sy < y + h) {
int amty;
if (dyrem == 0) {
for (int i = 0; i < destWidth; i++) {
alphas[i] = reds[i] = greens[i] = blues[i] = 0f;
}
dyrem = srcHeight;
}
if (syrem < dyrem) {
amty = syrem;
} else {
amty = dyrem;
}
int sx = 0;
int dx = 0;
int sxrem = 0;
int dxrem = srcWidth;
float a = 0f, r = 0f, g = 0f, b = 0f;
while (sx < w) {
if (sxrem == 0) {
sxrem = destWidth;
int rgb;
if (pixels instanceof byte[]) {
rgb = ((byte[]) pixels)[off + sx] & 0xff;
} else {
rgb = ((int[]) pixels)[off + sx];
}
// getRGB() always returns non-premultiplied components
rgb = model.getRGB(rgb);
a = rgb >>> 24;
r = (rgb >> 16) & 0xff;
g = (rgb >> 8) & 0xff;
b = rgb & 0xff;
// premultiply the components if necessary
if (a != 255.0f) {
float ascale = a / 255.0f;
r *= ascale;
g *= ascale;
b *= ascale;
}
}
int amtx;
if (sxrem < dxrem) {
amtx = sxrem;
} else {
amtx = dxrem;
}
float mult = ((float) amtx) * amty;
alphas[dx] += mult * a;
reds[dx] += mult * r;
greens[dx] += mult * g;
blues[dx] += mult * b;
if ((sxrem -= amtx) == 0) {
sx++;
}
if ((dxrem -= amtx) == 0) {
dx++;
dxrem = srcWidth;
}
}
if ((dyrem -= amty) == 0) {
int outpix[] = calcRow();
do {
consumer.setPixels(0, dy, destWidth, 1,
rgbmodel, outpix, 0, destWidth);
dy++;
} while ((syrem -= amty) >= amty && amty == srcHeight);
} else {
syrem -= amty;
}
if (syrem == 0) {
syrem = destHeight;
sy++;
off += scansize;
}
}
savedyrem = dyrem;
savedy = dy;
}
Example 18
| Source File: AreaAveragingScaleFilter.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
private void accumPixels(int x, int y, int w, int h,
ColorModel model, Object pixels, int off,
int scansize) {
if (reds == null) {
makeAccumBuffers();
}
int sy = y;
int syrem = destHeight;
int dy, dyrem;
if (sy == 0) {
dy = 0;
dyrem = 0;
} else {
dy = savedy;
dyrem = savedyrem;
}
while (sy < y + h) {
int amty;
if (dyrem == 0) {
for (int i = 0; i < destWidth; i++) {
alphas[i] = reds[i] = greens[i] = blues[i] = 0f;
}
dyrem = srcHeight;
}
if (syrem < dyrem) {
amty = syrem;
} else {
amty = dyrem;
}
int sx = 0;
int dx = 0;
int sxrem = 0;
int dxrem = srcWidth;
float a = 0f, r = 0f, g = 0f, b = 0f;
while (sx < w) {
if (sxrem == 0) {
sxrem = destWidth;
int rgb;
if (pixels instanceof byte[]) {
rgb = ((byte[]) pixels)[off + sx] & 0xff;
} else {
rgb = ((int[]) pixels)[off + sx];
}
// getRGB() always returns non-premultiplied components
rgb = model.getRGB(rgb);
a = rgb >>> 24;
r = (rgb >> 16) & 0xff;
g = (rgb >> 8) & 0xff;
b = rgb & 0xff;
// premultiply the components if necessary
if (a != 255.0f) {
float ascale = a / 255.0f;
r *= ascale;
g *= ascale;
b *= ascale;
}
}
int amtx;
if (sxrem < dxrem) {
amtx = sxrem;
} else {
amtx = dxrem;
}
float mult = ((float) amtx) * amty;
alphas[dx] += mult * a;
reds[dx] += mult * r;
greens[dx] += mult * g;
blues[dx] += mult * b;
if ((sxrem -= amtx) == 0) {
sx++;
}
if ((dxrem -= amtx) == 0) {
dx++;
dxrem = srcWidth;
}
}
if ((dyrem -= amty) == 0) {
int outpix[] = calcRow();
do {
consumer.setPixels(0, dy, destWidth, 1,
rgbmodel, outpix, 0, destWidth);
dy++;
} while ((syrem -= amty) >= amty && amty == srcHeight);
} else {
syrem -= amty;
}
if (syrem == 0) {
syrem = destHeight;
sy++;
off += scansize;
}
}
savedyrem = dyrem;
savedy = dy;
}
Example 19
| Source File: CustomComponent.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
public void Blit(SurfaceData src, SurfaceData dst,
Composite comp, Region clip,
int srcx, int srcy, int dstx, int dsty, int w, int h)
{
Raster srcRast = src.getRaster(srcx, srcy, w, h);
ColorModel srcCM = src.getColorModel();
Raster dstRast = dst.getRaster(dstx, dsty, w, h);
IntegerComponentRaster icr = (IntegerComponentRaster) dstRast;
int[] dstPix = icr.getDataStorage();
Region roi = CustomComponent.getRegionOfInterest(src, dst, clip,
srcx, srcy,
dstx, dsty, w, h);
SpanIterator si = roi.getSpanIterator();
Object srcPix = null;
int dstScan = icr.getScanlineStride();
// assert(icr.getPixelStride() == 1);
srcx -= dstx;
srcy -= dsty;
int span[] = new int[4];
while (si.nextSpan(span)) {
int rowoff = icr.getDataOffset(0) + span[1] * dstScan + span[0];
for (int y = span[1]; y < span[3]; y++) {
int off = rowoff;
for (int x = span[0]; x < span[2]; x++) {
srcPix = srcRast.getDataElements(x+srcx, y+srcy, srcPix);
dstPix[off++] = srcCM.getRGB(srcPix);
}
rowoff += dstScan;
}
}
// Pixels in the dest were modified directly, we must
// manually notify the raster that it was modified
icr.markDirty();
// REMIND: We need to do something to make sure that dstRast
// is put back to the destination (as in the native Release
// function)
// src.releaseRaster(srcRast); // NOP?
// dst.releaseRaster(dstRast);
}
Example 20
| Source File: AreaAveragingScaleFilter.java From jdk1.8-source-analysis with Apache License 2.0 | 4 votes |
|
private void accumPixels(int x, int y, int w, int h,
ColorModel model, Object pixels, int off,
int scansize) {
if (reds == null) {
makeAccumBuffers();
}
int sy = y;
int syrem = destHeight;
int dy, dyrem;
if (sy == 0) {
dy = 0;
dyrem = 0;
} else {
dy = savedy;
dyrem = savedyrem;
}
while (sy < y + h) {
int amty;
if (dyrem == 0) {
for (int i = 0; i < destWidth; i++) {
alphas[i] = reds[i] = greens[i] = blues[i] = 0f;
}
dyrem = srcHeight;
}
if (syrem < dyrem) {
amty = syrem;
} else {
amty = dyrem;
}
int sx = 0;
int dx = 0;
int sxrem = 0;
int dxrem = srcWidth;
float a = 0f, r = 0f, g = 0f, b = 0f;
while (sx < w) {
if (sxrem == 0) {
sxrem = destWidth;
int rgb;
if (pixels instanceof byte[]) {
rgb = ((byte[]) pixels)[off + sx] & 0xff;
} else {
rgb = ((int[]) pixels)[off + sx];
}
// getRGB() always returns non-premultiplied components
rgb = model.getRGB(rgb);
a = rgb >>> 24;
r = (rgb >> 16) & 0xff;
g = (rgb >> 8) & 0xff;
b = rgb & 0xff;
// premultiply the components if necessary
if (a != 255.0f) {
float ascale = a / 255.0f;
r *= ascale;
g *= ascale;
b *= ascale;
}
}
int amtx;
if (sxrem < dxrem) {
amtx = sxrem;
} else {
amtx = dxrem;
}
float mult = ((float) amtx) * amty;
alphas[dx] += mult * a;
reds[dx] += mult * r;
greens[dx] += mult * g;
blues[dx] += mult * b;
if ((sxrem -= amtx) == 0) {
sx++;
}
if ((dxrem -= amtx) == 0) {
dx++;
dxrem = srcWidth;
}
}
if ((dyrem -= amty) == 0) {
int outpix[] = calcRow();
do {
consumer.setPixels(0, dy, destWidth, 1,
rgbmodel, outpix, 0, destWidth);
dy++;
} while ((syrem -= amty) >= amty && amty == srcHeight);
} else {
syrem -= amty;
}
if (syrem == 0) {
syrem = destHeight;
sy++;
off += scansize;
}
}
savedyrem = dyrem;
savedy = dy;
}
