本文整理汇总了Java中javax.media.jai.PlanarImage.getMinY方法的典型用法代码示例。如果您正苦于以下问题：Java PlanarImage.getMinY方法的具体用法？Java PlanarImage.getMinY怎么用？Java PlanarImage.getMinY使用的例子？那么恭喜您, 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javax.media.jai.PlanarImage的用法示例。
在下文中一共展示了PlanarImage.getMinY方法的14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: OrbitTiledImagePlanarImage
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
public OrbitTiledImagePlanarImage(PlanarImage image) throws Exception {
super("");
this.image = image;
this.width = image.getWidth();
this.height = image.getHeight();
this.tileWidth = image.getTileWidth();
this.tileHeight = image.getTileHeight();
this.tileGridXOffset = image.getTileGridXOffset();
this.tileGridYOffset = image.getTileGridYOffset();
this.minX = image.getMinX();
this.minY = image.getMinY();
this.numBands = image.getNumBands();
this.colorModel = image.getColorModel();
this.sampleModel = image.getSampleModel();
// if (numBands==1) this.colorModel = grayColorModel; else
// {
// this.colorModel = rgbColorModel;
// }
// this.colorModel = rgbColorModel; // an OrbitTiledImage is always a RGB image
// this.sampleModel = colorModel.createCompatibleSampleModel(tileWidth, tileHeight);
// bugfix 20.04.2012 Manuel: colorModel is now always defined by input image (overview image problem)
this.colorModel = image.getColorModel();
this.sampleModel = image.getSampleModel();
this.filename = "PlanarImage " + image.hashCode();
// better set useCache always to false here???
}
示例2: computeRectByte
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectByte(PlanarImage src, RasterAccessor dst) {
RandomIter iter = RandomIterFactory.create(src, src.getBounds());
int minX = src.getMinX();
int maxX = src.getMaxX();
int minY = src.getMinY();
int maxY = src.getMaxY();
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
byte[][] data = dst.getByteDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
byte[] backgroundByte = new byte[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundByte[i] = (byte)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
/*
* The warp object subtract 0.5 from backward mapped
* source coordinate. Need to do a round to get the
* nearest neighbor. This is different from the standard
* nearest implementation.
*/
int sx = round(warpData[count++]);
int sy = round(warpData[count++]);
if (sx < minX || sx >= maxX || sy < minY || sy >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundByte[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
(byte)(iter.getSample(sx, sy, b) & 0xFF);
}
}
pixelOffset += pixelStride;
}
}
}
示例3: computeRectUShort
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectUShort(PlanarImage src, RasterAccessor dst) {
RandomIter iter = RandomIterFactory.create(src, src.getBounds());
int minX = src.getMinX();
int maxX = src.getMaxX();
int minY = src.getMinY();
int maxY = src.getMaxY();
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
short[][] data = dst.getShortDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
short[] backgroundUShort = new short[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundUShort[i] = (short)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
/*
* The warp object subtract 0.5 from backward mapped
* source coordinate. Need to do a round to get the
* nearest neighbor. This is different from the standard
* nearest implementation.
*/
int sx = round(warpData[count++]);
int sy = round(warpData[count++]);
if (sx < minX || sx >= maxX || sy < minY || sy >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundUShort[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
(short)(iter.getSample(sx, sy, b) & 0xFFFF);
}
}
pixelOffset += pixelStride;
}
}
}
示例4: computeRectShort
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectShort(PlanarImage src, RasterAccessor dst) {
RandomIter iter = RandomIterFactory.create(src, src.getBounds());
int minX = src.getMinX();
int maxX = src.getMaxX();
int minY = src.getMinY();
int maxY = src.getMaxY();
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
short[][] data = dst.getShortDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
short[] backgroundShort = new short[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundShort[i] = (short)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
/*
* The warp object subtract 0.5 from backward mapped
* source coordinate. Need to do a round to get the
* nearest neighbor. This is different from the standard
* nearest implementation.
*/
int sx = round(warpData[count++]);
int sy = round(warpData[count++]);
if (sx < minX || sx >= maxX || sy < minY || sy >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundShort[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
(short)iter.getSample(sx, sy, b);
}
}
pixelOffset += pixelStride;
}
}
}
示例5: computeRectInt
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectInt(PlanarImage src, RasterAccessor dst) {
RandomIter iter = RandomIterFactory.create(src, src.getBounds());
int minX = src.getMinX();
int maxX = src.getMaxX();
int minY = src.getMinY();
int maxY = src.getMaxY();
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
int[][] data = dst.getIntDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
int[] backgroundInt = new int[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundInt[i] = (int)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
/*
* The warp object subtract 0.5 from backward mapped
* source coordinate. Need to do a round to get the
* nearest neighbor. This is different from the standard
* nearest implementation.
*/
int sx = round(warpData[count++]);
int sy = round(warpData[count++]);
if (sx < minX || sx >= maxX || sy < minY || sy >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundInt[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
iter.getSample(sx, sy, b);
}
}
pixelOffset += pixelStride;
}
}
}
示例6: computeRectFloat
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectFloat(PlanarImage src, RasterAccessor dst) {
RandomIter iter = RandomIterFactory.create(src, src.getBounds());
int minX = src.getMinX();
int maxX = src.getMaxX();
int minY = src.getMinY();
int maxY = src.getMaxY();
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
float[][] data = dst.getFloatDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
float[] backgroundFloat = new float[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundFloat[i] = (float)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
/*
* The warp object subtract 0.5 from backward mapped
* source coordinate. Need to do a round to get the
* nearest neighbor. This is different from the standard
* nearest implementation.
*/
int sx = round(warpData[count++]);
int sy = round(warpData[count++]);
if (sx < minX || sx >= maxX || sy < minY || sy >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundFloat[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
iter.getSampleFloat(sx, sy, b);
}
}
pixelOffset += pixelStride;
}
}
}
示例7: computeRectDouble
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectDouble(PlanarImage src, RasterAccessor dst) {
RandomIter iter = RandomIterFactory.create(src, src.getBounds());
int minX = src.getMinX();
int maxX = src.getMaxX();
int minY = src.getMinY();
int maxY = src.getMaxY();
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
double[][] data = dst.getDoubleDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
/*
* The warp object subtract 0.5 from backward mapped
* source coordinate. Need to do a round to get the
* nearest neighbor. This is different from the standard
* nearest implementation.
*/
int sx = round(warpData[count++]);
int sy = round(warpData[count++]);
if (sx < minX || sx >= maxX || sy < minY || sy >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundValues[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
iter.getSampleDouble(sx, sy, b);
}
}
pixelOffset += pixelStride;
}
}
}
示例8: computeRectUShort
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectUShort(PlanarImage src, RasterAccessor dst) {
RandomIter iter;
if(extender != null) {
Rectangle bounds = new Rectangle(src.getMinX(), src.getMinY(),
src.getWidth() + 1,
src.getHeight() + 1);
iter = RandomIterFactory.create(src.getExtendedData(bounds,
extender),
bounds);
} else {
iter = RandomIterFactory.create(src, src.getBounds());
}
int minX = src.getMinX();
int maxX = src.getMaxX() -
(extender != null ? 0 : 1); // Right padding
int minY = src.getMinY();
int maxY = src.getMaxY() -
(extender != null ? 0 : 1); // Bottom padding
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
short[][] data = dst.getShortDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
short[] backgroundUShort = new short[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundUShort[i] = (short)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
float sx = warpData[count++];
float sy = warpData[count++];
int xint = floor(sx);
int yint = floor(sy);
float xfrac = sx - xint;
float yfrac = sy - yint;
if (xint < minX || xint >= maxX ||
yint < minY || yint >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundUShort[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
int s00 = iter.getSample(xint, yint, b) & 0xFFFF;
int s01 = iter.getSample(xint+1, yint, b) & 0xFFFF;
int s10 = iter.getSample(xint, yint+1, b) & 0xFFFF;
int s11 = iter.getSample(xint+1, yint+1, b) & 0xFFFF;
float s0 = (s01 - s00) * xfrac + s00;
float s1 = (s11 - s10) * xfrac + s10;
float s = (s1 - s0) * yfrac + s0;
data[b][pixelOffset+bandOffsets[b]] = (short)s;
}
}
pixelOffset += pixelStride;
}
}
}
示例9: computeRectShort
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectShort(PlanarImage src, RasterAccessor dst) {
RandomIter iter;
if(extender != null) {
Rectangle bounds = new Rectangle(src.getMinX(), src.getMinY(),
src.getWidth() + 1,
src.getHeight() + 1);
iter = RandomIterFactory.create(src.getExtendedData(bounds,
extender),
bounds);
} else {
iter = RandomIterFactory.create(src, src.getBounds());
}
int minX = src.getMinX();
int maxX = src.getMaxX() -
(extender != null ? 0 : 1); // Right padding
int minY = src.getMinY();
int maxY = src.getMaxY() -
(extender != null ? 0 : 1); // Bottom padding
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
short[][] data = dst.getShortDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
short[] backgroundShort = new short[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundShort[i] = (short)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
float sx = warpData[count++];
float sy = warpData[count++];
int xint = floor(sx);
int yint = floor(sy);
float xfrac = sx - xint;
float yfrac = sy - yint;
if (xint < minX || xint >= maxX ||
yint < minY || yint >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundShort[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
int s00 = iter.getSample(xint, yint, b);
int s01 = iter.getSample(xint+1, yint, b);
int s10 = iter.getSample(xint, yint+1, b);
int s11 = iter.getSample(xint+1, yint+1, b);
float s0 = (s01 - s00) * xfrac + s00;
float s1 = (s11 - s10) * xfrac + s10;
float s = (s1 - s0) * yfrac + s0;
data[b][pixelOffset+bandOffsets[b]] = (short)s;
}
}
pixelOffset += pixelStride;
}
}
}
示例10: computeRectInt
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectInt(PlanarImage src, RasterAccessor dst) {
RandomIter iter;
if(extender != null) {
Rectangle bounds = new Rectangle(src.getMinX(), src.getMinY(),
src.getWidth() + 1,
src.getHeight() + 1);
iter = RandomIterFactory.create(src.getExtendedData(bounds,
extender),
bounds);
} else {
iter = RandomIterFactory.create(src, src.getBounds());
}
int minX = src.getMinX();
int maxX = src.getMaxX() -
(extender != null ? 0 : 1); // Right padding
int minY = src.getMinY();
int maxY = src.getMaxY() -
(extender != null ? 0 : 1); // Bottom padding
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
int[][] data = dst.getIntDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
int[] backgroundInt = new int[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundInt[i] = (int)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
float sx = warpData[count++];
float sy = warpData[count++];
int xint = floor(sx);
int yint = floor(sy);
float xfrac = sx - xint;
float yfrac = sy - yint;
if (xint < minX || xint >= maxX ||
yint < minY || yint >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundInt[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
int s00 = iter.getSample(xint, yint, b);
int s01 = iter.getSample(xint+1, yint, b);
int s10 = iter.getSample(xint, yint+1, b);
int s11 = iter.getSample(xint+1, yint+1, b);
float s0 = (s01 - s00) * xfrac + s00;
float s1 = (s11 - s10) * xfrac + s10;
float s = (s1 - s0) * yfrac + s0;
data[b][pixelOffset+bandOffsets[b]] = (int)s;
}
}
pixelOffset += pixelStride;
}
}
}
示例11: computeRectFloat
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectFloat(PlanarImage src, RasterAccessor dst) {
RandomIter iter;
if(extender != null) {
Rectangle bounds = new Rectangle(src.getMinX(), src.getMinY(),
src.getWidth() + 1,
src.getHeight() + 1);
iter = RandomIterFactory.create(src.getExtendedData(bounds,
extender),
bounds);
} else {
iter = RandomIterFactory.create(src, src.getBounds());
}
int minX = src.getMinX();
int maxX = src.getMaxX() -
(extender != null ? 0 : 1); // Right padding
int minY = src.getMinY();
int maxY = src.getMaxY() -
(extender != null ? 0 : 1); // Bottom padding
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
float[][] data = dst.getFloatDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
float[] backgroundFloat = new float[dstBands];
for (int i = 0; i < dstBands; i++)
backgroundFloat[i] = (float)backgroundValues[i];
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
float sx = warpData[count++];
float sy = warpData[count++];
int xint = floor(sx);
int yint = floor(sy);
float xfrac = sx - xint;
float yfrac = sy - yint;
if (xint < minX || xint >= maxX ||
yint < minY || yint >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundFloat[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
float s00 = iter.getSampleFloat(xint, yint, b);
float s01 = iter.getSampleFloat(xint+1, yint, b);
float s10 = iter.getSampleFloat(xint, yint+1, b);
float s11 = iter.getSampleFloat(xint+1, yint+1, b);
float s0 = (s01 - s00) * xfrac + s00;
float s1 = (s11 - s10) * xfrac + s10;
float s = (s1 - s0) * yfrac + s0;
data[b][pixelOffset+bandOffsets[b]] = s;
}
}
pixelOffset += pixelStride;
}
}
}
示例12: computeRectDouble
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
private void computeRectDouble(PlanarImage src, RasterAccessor dst) {
RandomIter iter;
if(extender != null) {
Rectangle bounds = new Rectangle(src.getMinX(), src.getMinY(),
src.getWidth() + 1,
src.getHeight() + 1);
iter = RandomIterFactory.create(src.getExtendedData(bounds,
extender),
bounds);
} else {
iter = RandomIterFactory.create(src, src.getBounds());
}
int minX = src.getMinX();
int maxX = src.getMaxX() -
(extender != null ? 0 : 1); // Right padding
int minY = src.getMinY();
int maxY = src.getMaxY() -
(extender != null ? 0 : 1); // Bottom padding
int dstWidth = dst.getWidth();
int dstHeight = dst.getHeight();
int dstBands = dst.getNumBands();
int lineStride = dst.getScanlineStride();
int pixelStride = dst.getPixelStride();
int[] bandOffsets = dst.getBandOffsets();
double[][] data = dst.getDoubleDataArrays();
float[] warpData = new float[2 * dstWidth];
int lineOffset = 0;
for (int h = 0; h < dstHeight; h++) {
int pixelOffset = lineOffset;
lineOffset += lineStride;
warp.warpRect(dst.getX(), dst.getY()+h, dstWidth, 1,
warpData);
int count = 0;
for (int w = 0; w < dstWidth; w++) {
float sx = warpData[count++];
float sy = warpData[count++];
int xint = floor(sx);
int yint = floor(sy);
float xfrac = sx - xint;
float yfrac = sy - yint;
if (xint < minX || xint >= maxX ||
yint < minY || yint >= maxY) {
/* Fill with a background color. */
if (setBackground) {
for (int b = 0; b < dstBands; b++) {
data[b][pixelOffset+bandOffsets[b]] =
backgroundValues[b];
}
}
} else {
for (int b = 0; b < dstBands; b++) {
double s00 = iter.getSampleDouble(xint, yint, b);
double s01 = iter.getSampleDouble(xint+1, yint, b);
double s10 = iter.getSampleDouble(xint, yint+1, b);
double s11 = iter.getSampleDouble(xint+1, yint+1, b);
double s0 = (s01 - s00) * xfrac + s00;
double s1 = (s11 - s10) * xfrac + s10;
double s = (s1 - s0) * yfrac + s0;
data[b][pixelOffset+bandOffsets[b]] = s;
}
}
pixelOffset += pixelStride;
}
}
}
示例13: getProperty
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
/**
* Returns the specified property.
*
* @param name Property name.
* @param op Operation node.
*/
public Object getProperty(String name,
RenderedOp op) {
if(name == null || op == null) {
throw new IllegalArgumentException
(JaiI18N.getString("SubsampleAveragePropertyGenerator4"));
}
if (name.equals("roi")) {
ParameterBlock pb = op.getParameterBlock();
// Retrieve the rendered source image and its ROI.
PlanarImage src = (PlanarImage)pb.getRenderedSource(0);
Object property = src.getProperty("ROI");
if (property == null ||
property.equals(java.awt.Image.UndefinedProperty) ||
!(property instanceof ROI)) {
return null;
}
ROI srcROI = (ROI)property;
// Determine the effective source bounds.
Rectangle srcBounds = null;
PlanarImage dst = op.getRendering();
if(dst instanceof GeometricOpImage &&
((GeometricOpImage)dst).getBorderExtender() == null) {
GeometricOpImage geomIm = (GeometricOpImage)dst;
Interpolation interp = geomIm.getInterpolation();
srcBounds =
new Rectangle(src.getMinX() + interp.getLeftPadding(),
src.getMinY() + interp.getTopPadding(),
src.getWidth() - interp.getWidth() + 1,
src.getHeight() - interp.getHeight() + 1);
} else {
srcBounds = src.getBounds();
}
// If necessary, clip the ROI to the effective source bounds.
if(!srcBounds.contains(srcROI.getBounds())) {
srcROI = srcROI.intersect(new ROIShape(srcBounds));
}
// Retrieve the scale factors and translation values.
double sx = pb.getDoubleParameter(0);
double sy = pb.getDoubleParameter(1);
// Create an equivalent transform.
AffineTransform transform =
new AffineTransform(sx, 0.0, 0.0, sy, 0, 0);
// Create the scaled ROI.
ROI dstROI = srcROI.transform(transform);
// Retrieve the destination bounds.
Rectangle dstBounds = op.getBounds();
// If necessary, clip the warped ROI to the destination bounds.
if(!dstBounds.contains(dstROI.getBounds())) {
dstROI = dstROI.intersect(new ROIShape(dstBounds));
}
// Return the warped and possibly clipped ROI.
return dstROI;
} else {
return null;
}
}
示例14: getRenderingHints
import javax.media.jai.PlanarImage; //导入方法依赖的package包/类
/**
* Defines RenderingHints for JAI create operations (otherwise JAI will use defaultTileSize tiling)
*
* @param image
* @return
*/
public static RenderingHints getRenderingHints(PlanarImage image) {
ImageLayout layout = new ImageLayout(image.getMinX(), image.getMinY(), image.getWidth(), image.getHeight(), image.getTileGridXOffset(), image.getTileGridYOffset(), image.getTileWidth(), image.getTileHeight(), image.getSampleModel(), image.getColorModel());
RenderingHints renderingHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout);
return renderingHints;
}