static bool Bitmap_compress(JNIEnv* env, jobject clazz, SkBitmap* bitmap,
int format, int quality,
jobject jstream, jbyteArray jstorage) {
SkImageEncoder::Type fm;
switch (format) {
case kJPEG_JavaEncodeFormat:
fm = SkImageEncoder::kJPEG_Type;
break;
case kPNG_JavaEncodeFormat:
fm = SkImageEncoder::kPNG_Type;
break;
case kWEBP_JavaEncodeFormat:
fm = SkImageEncoder::kWEBP_Type;
break;
default:
return false;
}
bool success = false;
SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage);
if (NULL != strm) {
SkImageEncoder* encoder = SkImageEncoder::Create(fm);
if (NULL != encoder) {
success = encoder->encodeStream(strm, *bitmap, quality);
delete encoder;
}
delete strm;
}
return success;
}
/******************************************************************************
* convert rgb565 to jpeg file
*******************************************************************************/
bool rgb565toJpeg(uint8_t *pbufIn, uint8_t *pbufOut, uint32_t width, uint32_t height, uint32_t *psize)
{
uint32_t size = 0;
// It's sw encode, the buffer address must be virtual address
CAM_LOGD("[rgb565toJpeg] pbufIn: 0x%x, pbufOut: 0x%x, width: %d, height: %d \n", (uint32_t) pbufIn, (uint32_t) pbufOut, width, height);
SkImageEncoder::Type fm = SkImageEncoder::kJPEG_Type;
bool success = false;
SkImageEncoder *pencoder = SkImageEncoder::Create(fm);
if (NULL != pencoder) {
SkMemoryWStream *pskMemStream = new SkMemoryWStream(pbufOut, width * height * 2);
if (NULL != pskMemStream) {
SkBitmap *pbitmap = new SkBitmap;
if (NULL != pbitmap) {
pbitmap->setConfig(SkBitmap::kRGB_565_Config, width, height);
pbitmap->setPixels(pbufIn);
success = pencoder->encodeStream(pskMemStream, *pbitmap, 85);
if (success) {
size = pskMemStream->getBytesWritten();
}
}
delete pbitmap;
}
delete pskMemStream;
delete pencoder;
}
*psize = size;
CAM_LOGD(" size: %d \n", size);
return success;
}
static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle,
jint format, jint quality,
jobject jstream, jbyteArray jstorage) {
SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle);
SkImageEncoder::Type fm;
switch (format) {
case kJPEG_JavaEncodeFormat:
fm = SkImageEncoder::kJPEG_Type;
break;
case kPNG_JavaEncodeFormat:
fm = SkImageEncoder::kPNG_Type;
break;
case kWEBP_JavaEncodeFormat:
fm = SkImageEncoder::kWEBP_Type;
break;
default:
return JNI_FALSE;
}
bool success = false;
if (NULL != bitmap) {
SkAutoLockPixels alp(*bitmap);
if (NULL == bitmap->getPixels()) {
return JNI_FALSE;
}
SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage);
if (NULL == strm) {
return JNI_FALSE;
}
SkImageEncoder* encoder = SkImageEncoder::Create(fm);
if (NULL != encoder) {
success = encoder->encodeStream(strm, *bitmap, quality);
delete encoder;
}
delete strm;
}
return success ? JNI_TRUE : JNI_FALSE;
}
