下面列出了怎么用com.google.zxing.common.GridSampler的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* Creates a BitMatrix by sampling the provided image.
* topLeft, topRight, bottomRight, and bottomLeft are the centers of the squares on the
* diagonal just outside the bull's eye.
*/
private BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint topRight,
ResultPoint bottomRight,
ResultPoint bottomLeft) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
int dimension = getDimension();
float low = dimension / 2.0f - nbCenterLayers;
float high = dimension / 2.0f + nbCenterLayers;
return sampler.sampleGrid(image,
dimension,
dimension,
low, low, // topleft
high, low, // topright
high, high, // bottomright
low, high, // bottomleft
topLeft.getX(), topLeft.getY(),
topRight.getX(), topRight.getY(),
bottomRight.getX(), bottomRight.getY(),
bottomLeft.getX(), bottomLeft.getY());
}
/**
* Creates a BitMatrix by sampling the provided image.
* topLeft, topRight, bottomRight, and bottomLeft are the centers of the squares on the
* diagonal just outside the bull's eye.
*/
private BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint topRight,
ResultPoint bottomRight,
ResultPoint bottomLeft) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
int dimension = getDimension();
float low = dimension / 2.0f - nbCenterLayers;
float high = dimension / 2.0f + nbCenterLayers;
return sampler.sampleGrid(image,
dimension,
dimension,
low, low, // topleft
high, low, // topright
high, high, // bottomright
low, high, // bottomleft
topLeft.getX(), topLeft.getY(),
topRight.getX(), topRight.getY(),
bottomRight.getX(), bottomRight.getY(),
bottomLeft.getX(), bottomLeft.getY());
}
/**
* Creates a BitMatrix by sampling the provided image.
* topLeft, topRight, bottomRight, and bottomLeft are the centers of the squares on the
* diagonal just outside the bull's eye.
*/
private BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint topRight,
ResultPoint bottomRight,
ResultPoint bottomLeft) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
int dimension = getDimension();
float low = dimension / 2.0f - nbCenterLayers;
float high = dimension / 2.0f + nbCenterLayers;
return sampler.sampleGrid(image,
dimension,
dimension,
low, low, // topleft
high, low, // topright
high, high, // bottomright
low, high, // bottomleft
topLeft.getX(), topLeft.getY(),
topRight.getX(), topRight.getY(),
bottomRight.getX(), bottomRight.getY(),
bottomLeft.getX(), bottomLeft.getY());
}
/**
* Creates a BitMatrix by sampling the provided image.
* topLeft, topRight, bottomRight, and bottomLeft are the centers of the squares on the
* diagonal just outside the bull's eye.
*/
private BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint topRight,
ResultPoint bottomRight,
ResultPoint bottomLeft) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
int dimension = getDimension();
float low = dimension / 2.0f - nbCenterLayers;
float high = dimension / 2.0f + nbCenterLayers;
return sampler.sampleGrid(image,
dimension,
dimension,
low, low, // topleft
high, low, // topright
high, high, // bottomright
low, high, // bottomleft
topLeft.getX(), topLeft.getY(),
topRight.getX(), topRight.getY(),
bottomRight.getX(), bottomRight.getY(),
bottomLeft.getX(), bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint bottomLeft,
ResultPoint bottomRight,
ResultPoint topRight,
int dimensionX,
int dimensionY) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image,
dimensionX,
dimensionY,
0.5f,
0.5f,
dimensionX - 0.5f,
0.5f,
dimensionX - 0.5f,
dimensionY - 0.5f,
0.5f,
dimensionY - 0.5f,
topLeft.getX(),
topLeft.getY(),
topRight.getX(),
topRight.getY(),
bottomRight.getX(),
bottomRight.getY(),
bottomLeft.getX(),
bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint bottomLeft,
ResultPoint bottomRight,
ResultPoint topRight,
int dimensionX,
int dimensionY) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image,
dimensionX,
dimensionY,
0.5f,
0.5f,
dimensionX - 0.5f,
0.5f,
dimensionX - 0.5f,
dimensionY - 0.5f,
0.5f,
dimensionY - 0.5f,
topLeft.getX(),
topLeft.getY(),
topRight.getX(),
topRight.getY(),
bottomRight.getX(),
bottomRight.getY(),
bottomLeft.getX(),
bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint bottomLeft,
ResultPoint bottomRight,
ResultPoint topRight,
int dimensionX,
int dimensionY) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image,
dimensionX,
dimensionY,
0.5f,
0.5f,
dimensionX - 0.5f,
0.5f,
dimensionX - 0.5f,
dimensionY - 0.5f,
0.5f,
dimensionY - 0.5f,
topLeft.getX(),
topLeft.getY(),
topRight.getX(),
topRight.getY(),
bottomRight.getX(),
bottomRight.getY(),
bottomLeft.getX(),
bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint bottomLeft,
ResultPoint bottomRight,
ResultPoint topRight,
int dimensionX,
int dimensionY) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image,
dimensionX,
dimensionY,
0.5f,
0.5f,
dimensionX - 0.5f,
0.5f,
dimensionX - 0.5f,
dimensionY - 0.5f,
0.5f,
dimensionY - 0.5f,
topLeft.getX(),
topLeft.getY(),
topRight.getX(),
topRight.getY(),
bottomRight.getX(),
bottomRight.getY(),
bottomLeft.getX(),
bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix matrix,
ResultPoint topLeft,
ResultPoint bottomLeft,
ResultPoint topRight,
ResultPoint bottomRight,
int xdimension,
int ydimension) throws NotFoundException {
// Note that unlike the QR Code sampler, we didn't find the center of modules, but the
// very corners. So there is no 0.5f here; 0.0f is right.
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(
matrix,
xdimension, ydimension,
0.0f, // p1ToX
0.0f, // p1ToY
xdimension, // p2ToX
0.0f, // p2ToY
xdimension, // p3ToX
ydimension, // p3ToY
0.0f, // p4ToX
ydimension, // p4ToY
topLeft.getX(), // p1FromX
topLeft.getY(), // p1FromY
topRight.getX(), // p2FromX
topRight.getY(), // p2FromY
bottomRight.getX(), // p3FromX
bottomRight.getY(), // p3FromY
bottomLeft.getX(), // p4FromX
bottomLeft.getY()); // p4FromY
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
/**
* Samples an Aztec matrix from an image
*/
private BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint bottomLeft,
ResultPoint bottomRight,
ResultPoint topRight) throws NotFoundException {
int dimension;
if (compact) {
dimension = 4*nbLayers+11;
} else {
if (nbLayers <= 4) {
dimension = 4*nbLayers + 15;
} else {
dimension = 4*nbLayers + 2*((nbLayers-4)/8 + 1) + 15 ;
}
}
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image,
dimension,
dimension,
0.5f,
0.5f,
dimension - 0.5f,
0.5f,
dimension - 0.5f,
dimension - 0.5f,
0.5f,
dimension - 0.5f,
topLeft.getX(),
topLeft.getY(),
topRight.getX(),
topRight.getY(),
bottomRight.getX(),
bottomRight.getY(),
bottomLeft.getX(),
bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix image,
ResultPoint topLeft,
ResultPoint bottomLeft,
ResultPoint bottomRight,
ResultPoint topRight,
int dimensionX,
int dimensionY) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image,
dimensionX,
dimensionY,
0.5f,
0.5f,
dimensionX - 0.5f,
0.5f,
dimensionX - 0.5f,
dimensionY - 0.5f,
0.5f,
dimensionY - 0.5f,
topLeft.getX(),
topLeft.getY(),
topRight.getX(),
topRight.getY(),
bottomRight.getX(),
bottomRight.getY(),
bottomLeft.getX(),
bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix image, ResultPoint topLeft, ResultPoint bottomLeft,
ResultPoint bottomRight, ResultPoint topRight, int dimensionX, int dimensionY) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimensionX, dimensionY, 0.5f, 0.5f, dimensionX - 0.5f, 0.5f, dimensionX - 0.5f,
dimensionY - 0.5f, 0.5f, dimensionY - 0.5f, topLeft.getX(), topLeft.getY(), topRight.getX(),
topRight.getY(), bottomRight.getX(), bottomRight.getY(), bottomLeft.getX(), bottomLeft.getY());
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image,
PerspectiveTransform transform,
int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix a(BitMatrix bitmatrix, ResultPoint resultpoint, ResultPoint resultpoint1, ResultPoint resultpoint2, ResultPoint resultpoint3, int i)
{
return GridSampler.getInstance().sampleGrid(bitmatrix, i, i, 0.0F, 0.0F, i, 0.0F, i, i, 0.0F, i, resultpoint.getX(), resultpoint.getY(), resultpoint2.getX(), resultpoint2.getY(), resultpoint3.getX(), resultpoint3.getY(), resultpoint1.getX(), resultpoint1.getY());
}
private static BitMatrix a(BitMatrix bitmatrix, PerspectiveTransform perspectivetransform, int i)
{
return GridSampler.getInstance().sampleGrid(bitmatrix, i, i, perspectivetransform);
}
private BitMatrix a(BitMatrix bitmatrix, ResultPoint resultpoint, ResultPoint resultpoint1, ResultPoint resultpoint2, ResultPoint resultpoint3)
{
int i;
GridSampler gridsampler;
float f1;
float f2;
float f3;
float f4;
float f5;
float f6;
float f7;
float f8;
float f9;
float f10;
float f11;
float f12;
if (b)
{
i = 11 + 4 * c;
} else
if (c <= 4)
{
i = 15 + 4 * c;
} else
{
i = 15 + (4 * c + 2 * (1 + (-4 + c) / 8));
}
gridsampler = GridSampler.getInstance();
f1 = (float)i - 0.5F;
f2 = (float)i - 0.5F;
f3 = (float)i - 0.5F;
f4 = (float)i - 0.5F;
f5 = resultpoint.getX();
f6 = resultpoint.getY();
f7 = resultpoint3.getX();
f8 = resultpoint3.getY();
f9 = resultpoint2.getX();
f10 = resultpoint2.getY();
f11 = resultpoint1.getX();
f12 = resultpoint1.getY();
return gridsampler.sampleGrid(bitmatrix, i, i, 0.5F, 0.5F, f1, 0.5F, f2, f3, 0.5F, f4, f5, f6, f7, f8, f9, f10, f11, f12);
}
private static BitMatrix a(BitMatrix bitmatrix, ResultPoint resultpoint, ResultPoint resultpoint1, ResultPoint resultpoint2, ResultPoint resultpoint3, int i, int j)
{
return GridSampler.getInstance().sampleGrid(bitmatrix, i, j, 0.5F, 0.5F, (float)i - 0.5F, 0.5F, (float)i - 0.5F, (float)j - 0.5F, 0.5F, (float)j - 0.5F, resultpoint.getX(), resultpoint.getY(), resultpoint3.getX(), resultpoint3.getY(), resultpoint2.getX(), resultpoint2.getY(), resultpoint1.getX(), resultpoint1.getY());
}
private static BitMatrix sampleGrid(BitMatrix image, PerspectiveTransform transform, int dimension)
throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image, PerspectiveTransform transform, int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}
private static BitMatrix sampleGrid(BitMatrix image, PerspectiveTransform transform, int dimension) throws NotFoundException {
GridSampler sampler = GridSampler.getInstance();
return sampler.sampleGrid(image, dimension, dimension, transform);
}