static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle,
jintArray pixelArray, jint offset, jint stride,
jint x, jint y, jint width, jint height) {
const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle);
SkAutoLockPixels alp(*bitmap);
ToColorProc proc = ChooseToColorProc(*bitmap);
if (NULL == proc) {
return;
}
const void* src = bitmap->getAddr(x, y);
if (NULL == src) {
return;
}
SkColorTable* ctable = bitmap->getColorTable();
jint* dst = env->GetIntArrayElements(pixelArray, NULL);
SkColor* d = (SkColor*)dst + offset;
while (--height >= 0) {
proc(d, src, width, ctable);
d += stride;
src = (void*)((const char*)src + bitmap->rowBytes());
}
env->ReleaseIntArrayElements(pixelArray, dst, 0);
}
static int Bitmap_getPixel(JNIEnv* env, jobject, const SkBitmap* bitmap,
int x, int y) {
SkAutoLockPixels alp(*bitmap);
ToColorProc proc = ChooseToColorProc(*bitmap);
if (NULL == proc) {
return 0;
}
const void* src = bitmap->getAddr(x, y);
if (NULL == src) {
return 0;
}
SkColor dst[1];
proc(dst, src, 1, bitmap->getColorTable());
return dst[0];
}
static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle,
jint x, jint y) {
const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle);
SkAutoLockPixels alp(*bitmap);
ToColorProc proc = ChooseToColorProc(*bitmap);
if (NULL == proc) {
return 0;
}
const void* src = bitmap->getAddr(x, y);
if (NULL == src) {
return 0;
}
SkColor dst[1];
proc(dst, src, 1, bitmap->getColorTable());
return static_cast<jint>(dst[0]);
}
