bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors,
int srcOffset, int srcStride,
int x, int y, int width, int height,
const SkBitmap& dstBitmap) {
SkAutoLockPixels alp(dstBitmap);
void* dst = dstBitmap.getPixels();
FromColorProc proc = ChooseFromColorProc(dstBitmap.config());
if (NULL == dst || NULL == proc) {
return false;
}
const jint* array = env->GetIntArrayElements(srcColors, NULL);
const SkColor* src = (const SkColor*)array + srcOffset;
// reset to to actual choice from caller
dst = dstBitmap.getAddr(x, y);
// now copy/convert each scanline
for (int y = 0; y < height; y++) {
proc(dst, src, width, x, y);
src += srcStride;
dst = (char*)dst + dstBitmap.rowBytes();
}
dstBitmap.notifyPixelsChanged();
env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array),
JNI_ABORT);
return true;
}
static void Bitmap_setPixel(JNIEnv* env, jobject, const SkBitmap* bitmap,
int x, int y, SkColor color) {
SkAutoLockPixels alp(*bitmap);
if (NULL == bitmap->getPixels()) {
return;
}
FromColorProc proc = ChooseFromColorProc(bitmap->config());
if (NULL == proc) {
return;
}
proc(bitmap->getAddr(x, y), &color, 1, x, y);
bitmap->notifyPixelsChanged();
}
static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle,
jint x, jint y, jint colorHandle) {
const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle);
SkColor color = static_cast<SkColor>(colorHandle);
SkAutoLockPixels alp(*bitmap);
if (NULL == bitmap->getPixels()) {
return;
}
FromColorProc proc = ChooseFromColorProc(*bitmap);
if (NULL == proc) {
return;
}
proc(bitmap->getAddr(x, y), &color, 1, x, y);
bitmap->notifyPixelsChanged();
}