本文整理匯總了Java中android.support.v8.renderscript.Allocation.copyFromUnchecked方法的典型用法代碼示例。如果您正苦於以下問題：Java Allocation.copyFromUnchecked方法的具體用法？Java Allocation.copyFromUnchecked怎麽用？Java Allocation.copyFromUnchecked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android.support.v8.renderscript.Allocation的用法示例。
在下文中一共展示了Allocation.copyFromUnchecked方法的3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: convertYuv420ToBitmap
import android.support.v8.renderscript.Allocation; //導入方法依賴的package包/類
private static Bitmap convertYuv420ToBitmap(Image image) {
RenderScript rs = mRenderScript;
final int width = image.getWidth();
final int height = image.getHeight();
// prepare input Allocation for RenderScript
Type.Builder inType = new Type.Builder(rs, Element.U8(rs)).setX(width).setY(height).setYuvFormat(ImageFormat.YV12);
Allocation inAlloc = Allocation.createTyped(rs, inType.create(), Allocation.USAGE_SCRIPT);
byte[] rawBuffer = new byte[inAlloc.getBytesSize()];
int lumaSize = width * height;
int chromaSize = (width / 2) * (height / 2);
Image.Plane[] planes = image.getPlanes();
planes[0].getBuffer().get(rawBuffer, 0, lumaSize);
planes[1].getBuffer().get(rawBuffer, lumaSize, chromaSize);
planes[2].getBuffer().get(rawBuffer, lumaSize + chromaSize, chromaSize);
inAlloc.copyFromUnchecked(rawBuffer);
// prepare output Allocation for RenderScript
Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Allocation outAlloc = Allocation.createFromBitmap(rs, bmp, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT | Allocation.USAGE_SHARED);
// convert YUV to RGB colorspace
ScriptC_yuv2rgb converter = new ScriptC_yuv2rgb(rs);
converter.set_gYUV(inAlloc);
converter.forEach_convert(outAlloc);
outAlloc.copyTo(bmp);
return bmp;
}
示例2: createAllocation
import android.support.v8.renderscript.Allocation; //導入方法依賴的package包/類
public Allocation createAllocation(RenderScript rs) {
final int sx = xSize;
final int sy = ySize;
final int sz = zSize;
Type.Builder tb = new Type.Builder(rs, Element.U8_4(rs));
tb.setX(sx);
tb.setY(sy);
tb.setZ(sz);
Type t = tb.create();
Allocation mCube = Allocation.createTyped(rs, t);
mCube.copyFromUnchecked(getCube());
return mCube;
}
示例3: encodeImage
import android.support.v8.renderscript.Allocation; //導入方法依賴的package包/類
/**
* Encode an entire image. pIn - pointer to the image data. Formatted such
* that the Red component of pixel (x,y) is at pIn + pixelSize * x + stride
* * y + redOffset; pOut - pointer to encoded data. Must be large enough to
* store entire encoded image.
* @param script
* @param containMipmaps
*/
public static int encodeImage(RenderScript rs, ScriptC_etc1compressor script, Allocation aIn, int width, int height,
int pixelSize, int stride, ByteBuffer compressedImage, ByteBuffer compressedAlphaImage, boolean containMipmaps, boolean hasAlpha) {
long tInitArray = java.lang.System.currentTimeMillis();
script.set_height(height);
script.set_width(width);
script.set_containMipmaps(containMipmaps);
script.set_pixelSize(pixelSize);
script.set_hasAlpha(hasAlpha);
if (pixelSize < 2 || pixelSize > 4) {
return -1;
}
// int iOut = 0;
int size = Math.max(aIn.getBytesSize() / ((DECODED_BLOCK_SIZE/3)*pixelSize), 1);
Allocation aout = Allocation.createSized(rs, Element.U16_4(rs), size);
Allocation aoutAlpha = Allocation.createSized(rs, Element.U8(rs), 8*size);
tInitArray = java.lang.System.currentTimeMillis() - tInitArray;
//System.out.println("tInitArray : "+tInitArray+" ms");
long tFillAlloc = java.lang.System.currentTimeMillis();
script.bind_pInA(aIn);
script.bind_outAlpha(aoutAlpha);
tFillAlloc = java.lang.System.currentTimeMillis() - tFillAlloc;
//System.out.println("tFillAlloc : "+tFillAlloc+" ms");
long tExec = java.lang.System.currentTimeMillis();
script.forEach_root(aout);
tExec = java.lang.System.currentTimeMillis() - tExec;
//System.out.println("tExec : "+tExec+" ms");
long tFillOut = java.lang.System.currentTimeMillis();
short[] arrayOut3Temp = new short[4*size];
aout.copyTo(arrayOut3Temp);
aout.destroy();
Allocation aout2 = Allocation.createSized(rs, Element.U8(rs), 8*size);
aout2.copyFromUnchecked(arrayOut3Temp);
aout2.copyTo(compressedImage.array());
aout2.destroy();
if(hasAlpha) {
aoutAlpha.copyTo(compressedAlphaImage.array());
}
aoutAlpha.destroy();
tFillOut = java.lang.System.currentTimeMillis() - tFillOut;
compressedImage.rewind();
//System.out.println("tFillOut : "+tFillOut+" ms");
return 0;
}