void webp_reader<T>::read(unsigned x0, unsigned y0,image_data_32& image)
{
WebPDecoderConfig config;
config_guard guard(config);
if (!WebPInitDecoderConfig(&config))
{
throw image_reader_exception("WEBP reader: WebPInitDecoderConfig failed");
}
config.options.use_cropping = 1;
config.options.crop_left = x0;
config.options.crop_top = y0;
config.options.crop_width = std::min(width_ - x0, image.width());
config.options.crop_height = std::min(height_ - y0, image.height());
if (WebPGetFeatures(buffer_->data(), buffer_->size(), &config.input) != VP8_STATUS_OK)
{
throw image_reader_exception("WEBP reader: WebPGetFeatures failed");
}
config.output.colorspace = MODE_RGBA;
config.output.u.RGBA.rgba = (uint8_t *)image.getBytes();
config.output.u.RGBA.stride = 4 * image.width();
config.output.u.RGBA.size = image.width() * image.height() * 4;
config.output.is_external_memory = 1;
if (WebPDecode(buffer_->data(), buffer_->size(), &config) != VP8_STATUS_OK)
{
throw image_reader_exception("WEBP reader: WebPDecode failed");
}
}
static int
read_image( Read *read, VipsImage *out )
{
VipsImage **t = (VipsImage **)
vips_object_local_array( VIPS_OBJECT( out ), 3 );
t[0] = vips_image_new_memory();
if( read_header( read, t[0] ) )
return( -1 );
if( vips_image_write_prepare( t[0] ) )
return( -1 );
read->config.output.u.RGBA.rgba = VIPS_IMAGE_ADDR( t[0], 0, 0 );
read->config.output.u.RGBA.stride = VIPS_IMAGE_SIZEOF_LINE( t[0] );
read->config.output.u.RGBA.size = VIPS_IMAGE_SIZEOF_IMAGE( t[0] );
read->config.output.is_external_memory = 1;
if( WebPDecode( (uint8_t *) read->data, read->length,
&read->config) != VP8_STATUS_OK ) {
vips_error( "webp2vips", "%s", _( "unable to read pixels" ) );
return( -1 );
}
if( vips_image_write( t[0], out ) )
return( -1 );
return( 0 );
}
PyObject* WebPDecode_wrapper(PyObject* self, PyObject* args)
{
PyBytesObject *webp_string;
uint8_t *webp;
Py_ssize_t size;
PyObject *ret, *bytes, *pymode;
WebPDecoderConfig config;
VP8StatusCode vp8_status_code = VP8_STATUS_OK;
char* mode = "RGB";
if (!PyArg_ParseTuple(args, "S", &webp_string)) {
Py_RETURN_NONE;
}
if (!WebPInitDecoderConfig(&config)) {
Py_RETURN_NONE;
}
PyBytes_AsStringAndSize((PyObject *) webp_string, (char**)&webp, &size);
vp8_status_code = WebPGetFeatures(webp, size, &config.input);
if (vp8_status_code == VP8_STATUS_OK) {
// If we don't set it, we don't get alpha.
// Initialized to MODE_RGB
if (config.input.has_alpha) {
config.output.colorspace = MODE_RGBA;
mode = "RGBA";
}
vp8_status_code = WebPDecode(webp, size, &config);
}
if (vp8_status_code != VP8_STATUS_OK) {
WebPFreeDecBuffer(&config.output);
Py_RETURN_NONE;
}
if (config.output.colorspace < MODE_YUV) {
bytes = PyBytes_FromStringAndSize((char *)config.output.u.RGBA.rgba,
config.output.u.RGBA.size);
} else {
// Skipping YUV for now. Need Test Images.
// UNDONE -- unclear if we'll ever get here if we set mode_rgb*
bytes = PyBytes_FromStringAndSize((char *)config.output.u.YUVA.y,
config.output.u.YUVA.y_size);
}
#if PY_VERSION_HEX >= 0x03000000
pymode = PyUnicode_FromString(mode);
#else
pymode = PyString_FromString(mode);
#endif
ret = Py_BuildValue("SiiS", bytes, config.output.width,
config.output.height, pymode);
WebPFreeDecBuffer(&config.output);
return ret;
}
CGImageRef NZCGImageCreateUsingWebPData(CFDataRef webPData)
{
uint8 *y = NULL, *u = NULL, *v = NULL;
int32_t width, height;
if (CFDataGetLength(webPData) > INT_MAX) // highly unlikely to happen; just checking anyway
return NULL;
// Step 1: Decode the data.
if (WebPDecode(CFDataGetBytePtr(webPData), (int)CFDataGetLength(webPData), &y, &u, &v, &width, &height) == webp_success)
{
const int32_t depth = 32;
const int wordsPerLine = (width*depth+31)/32;
size_t pixelBytesLength = 4*height*wordsPerLine; // Google's documentation is incorrect here; the length has to be quadrupled or we'll have an overrun
uint32 *pixelBytes = malloc(pixelBytesLength);
CFDataRef pixelData;
CGDataProviderRef dataProvider;
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGImageRef theImage;
// Step 2: Convert the YUV data into RGB.
YUV420toRGBA(y, u, v, wordsPerLine, width, height, pixelBytes);
// Step 3: Convert the RGB data into a CGImageRef.
pixelData = CFDataCreateWithBytesNoCopy(NULL, (const UInt8 *)pixelBytes, pixelBytesLength, NULL);
dataProvider = CGDataProviderCreateWithCFData(pixelData);
theImage = CGImageCreate(width,
height,
8, // each component is one byte or 8 bits large
32, // our data has four components
wordsPerLine*4, // there are 32 bits or 4 bytes in a word
colorSpace,
kCGBitmapByteOrder32Host, // our data is in host-endian format
dataProvider,
NULL, // we don't care about decode arrays
true, // sure, why not interpolate?
kCGRenderingIntentDefault);
// Finally, clean up memory.
CGColorSpaceRelease(colorSpace);
CGDataProviderRelease(dataProvider);
CFRelease(pixelData);
free(y);
return theImage;
}
fprintf(stderr, "NZCGWebPFunctions: The data provided is not in WebP format.\n");
return NULL;
}
VP8StatusCode DecodeWebP(const uint8_t* const data, size_t data_size,
int verbose, WebPDecoderConfig* const config) {
Stopwatch stop_watch;
VP8StatusCode status = VP8_STATUS_OK;
if (config == NULL) return VP8_STATUS_INVALID_PARAM;
PrintAnimationWarning(config);
StopwatchReset(&stop_watch);
// Decoding call.
status = WebPDecode(data, data_size, config);
if (verbose) {
const double decode_time = StopwatchReadAndReset(&stop_watch);
fprintf(stderr, "Time to decode picture: %.3fs\n", decode_time);
}
return status;
}
NS_CC_BEGIN
bool CCImage::_initWithWebpData(void *pData, int nDataLen)
{
#if ENABLE_WEBP
bool bRet = false;
do
{
WebPDecoderConfig config;
if (WebPInitDecoderConfig(&config) == 0) break;
if (WebPGetFeatures((uint8_t*)pData, nDataLen, &config.input) != VP8_STATUS_OK) break;
if (config.input.width == 0 || config.input.height == 0) break;
config.output.colorspace = MODE_RGBA;
m_nBitsPerComponent = 8;
m_nWidth = config.input.width;
m_nHeight = config.input.height;
m_bHasAlpha = true;
int bufferSize = m_nWidth * m_nHeight * 4;
m_pData = new unsigned char[bufferSize];
config.output.u.RGBA.rgba = (uint8_t*)m_pData;
config.output.u.RGBA.stride = m_nWidth * 4;
config.output.u.RGBA.size = bufferSize;
config.output.is_external_memory = 1;
if (WebPDecode((uint8_t*)pData, nDataLen, &config) != VP8_STATUS_OK)
{
delete []m_pData;
m_pData = NULL;
break;
}
bRet = true;
} while (0);
return bRet;
#else
return false;
#endif
}
NS_CC_BEGIN
bool Image::_initWithWebpData(void *pData, int nDataLen)
{
bool bRet = false;
do
{
WebPDecoderConfig config;
if (WebPInitDecoderConfig(&config) == 0) break;
if (WebPGetFeatures((uint8_t*)pData, nDataLen, &config.input) != VP8_STATUS_OK) break;
if (config.input.width == 0 || config.input.height == 0) break;
config.output.colorspace = MODE_RGBA;
_bitsPerComponent = 8;
_width = config.input.width;
_height = config.input.height;
_hasAlpha = true;
int bufferSize = _width * _height * 4;
_data = new unsigned char[bufferSize];
config.output.u.RGBA.rgba = (uint8_t*)_data;
config.output.u.RGBA.stride = _width * 4;
config.output.u.RGBA.size = bufferSize;
config.output.is_external_memory = 1;
if (WebPDecode((uint8_t*)pData, nDataLen, &config) != VP8_STATUS_OK)
{
delete []_data;
_data = NULL;
break;
}
bRet = true;
} while (0);
return bRet;
}
static int Decode(void) { // Fills kParams.curr_frame
const WebPIterator* const curr = &kParams.curr_frame;
WebPDecoderConfig* const config = &kParams.config;
WebPDecBuffer* const output_buffer = &config->output;
int ok = 0;
ClearPreviousPic();
output_buffer->colorspace = MODE_RGBA;
ok = (WebPDecode(curr->fragment.bytes, curr->fragment.size,
config) == VP8_STATUS_OK);
if (!ok) {
fprintf(stderr, "Decoding of frame #%d failed!\n", curr->frame_num);
} else {
kParams.pic = output_buffer;
if (kParams.use_color_profile) {
ok = ApplyColorProfile(&kParams.iccp.chunk, output_buffer);
if (!ok) {
fprintf(stderr, "Applying color profile to frame #%d failed!\n",
curr->frame_num);
}
}
}
return ok;
}
static jobject WebPFactory_decodeBuffer
(JNIEnv *jniEnv, const uint8_t *buffer, size_t length, jobject options)
{
// Validate image
int bitmapWidth = 0;
int bitmapHeight = 0;
if (!WebPGetInfo(buffer, length, &bitmapWidth, &bitmapHeight))
{
jniEnv->ThrowNew(jrefs::java::lang::RuntimeException->jclassRef, "Invalid WebP format");
return NULL;
}
// Check if size is all what we were requested to do
if(options && jniEnv->GetBooleanField(options, jrefs::android::graphics::BitmapFactory->Options.inJustDecodeBounds) == JNI_TRUE)
{
jniEnv->SetIntField(options, jrefs::android::graphics::BitmapFactory->Options.outWidth, bitmapWidth);
jniEnv->SetIntField(options, jrefs::android::graphics::BitmapFactory->Options.outHeight, bitmapHeight);
return NULL;
}
// Initialize decoder config and configure scaling if requested
WebPDecoderConfig config;
if (!WebPInitDecoderConfig(&config))
{
jniEnv->ThrowNew(jrefs::java::lang::RuntimeException->jclassRef, "Unable to init WebP decoder config");
return NULL;
}
if (options)
{
jint inSampleSize = jniEnv->GetIntField(options, jrefs::android::graphics::BitmapFactory->Options.inSampleSize);
if (inSampleSize > 1)
{
config.options.use_scaling = 1;
config.options.scaled_width = bitmapWidth /= inSampleSize;
config.options.scaled_height = bitmapHeight /= inSampleSize;
}
}
__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, "Decoding into %dx%d bitmap", bitmapWidth, bitmapHeight);
// Create bitmap
jobject value__ARGB_8888 = jniEnv->GetStaticObjectField(jrefs::android::graphics::Bitmap->Config.jclassRef, jrefs::android::graphics::Bitmap->Config.ARGB_8888);
jobject outputBitmap = jniEnv->CallStaticObjectMethod(jrefs::android::graphics::Bitmap->jclassRef, jrefs::android::graphics::Bitmap->createBitmap,
(jint)bitmapWidth, (jint)bitmapHeight,
value__ARGB_8888);
if (!outputBitmap)
{
jniEnv->ThrowNew(jrefs::java::lang::RuntimeException->jclassRef, "Failed to allocate Bitmap");
return NULL;
}
// Get information about bitmap passed
AndroidBitmapInfo bitmapInfo;
if (AndroidBitmap_getInfo(jniEnv, outputBitmap, &bitmapInfo) != ANDROID_BITMAP_RESULT_SUCCESS)
{
jniEnv->ThrowNew(jrefs::java::lang::RuntimeException->jclassRef, "Failed to get Bitmap information");
return NULL;
}
// Lock pixels
void *bitmapPixels = 0;
if (AndroidBitmap_lockPixels(jniEnv, outputBitmap, &bitmapPixels) != ANDROID_BITMAP_RESULT_SUCCESS)
{
jniEnv->ThrowNew(jrefs::java::lang::RuntimeException->jclassRef, "Failed to lock Bitmap pixels");
return NULL;
}
// Decode to ARGB
config.output.colorspace = MODE_RGBA;
config.output.u.RGBA.rgba = (uint8_t*)bitmapPixels;
config.output.u.RGBA.stride = bitmapInfo.stride;
config.output.u.RGBA.size = bitmapInfo.height * bitmapInfo.stride;
config.output.is_external_memory = 1;
if (WebPDecode(buffer, length, &config) != VP8_STATUS_OK)
{
AndroidBitmap_unlockPixels(jniEnv, outputBitmap);
jniEnv->ThrowNew(jrefs::java::lang::RuntimeException->jclassRef, "Failed to decode WebP pixel data");
return NULL;
}
// Unlock pixels
if (AndroidBitmap_unlockPixels(jniEnv, outputBitmap) != ANDROID_BITMAP_RESULT_SUCCESS)
{
jniEnv->ThrowNew(jrefs::java::lang::RuntimeException->jclassRef, "Failed to unlock Bitmap pixels");
return NULL;
}
return outputBitmap;
}
/**
Decode a WebP image and returns a FIBITMAP image
@param webp_image Raw WebP image
@param flags FreeImage load flags
@return Returns a dib if successfull, returns NULL otherwise
*/
static FIBITMAP *
DecodeImage(WebPData *webp_image, int flags) {
FIBITMAP *dib = NULL;
const uint8_t* data = webp_image->bytes; // raw image data
const size_t data_size = webp_image->size; // raw image size
VP8StatusCode webp_status = VP8_STATUS_OK;
BOOL header_only = (flags & FIF_LOAD_NOPIXELS) == FIF_LOAD_NOPIXELS;
// Main object storing the configuration for advanced decoding
WebPDecoderConfig decoder_config;
// Output buffer
WebPDecBuffer* const output_buffer = &decoder_config.output;
// Features gathered from the bitstream
WebPBitstreamFeatures* const bitstream = &decoder_config.input;
try {
// Initialize the configuration as empty
// This function must always be called first, unless WebPGetFeatures() is to be called
if(!WebPInitDecoderConfig(&decoder_config)) {
throw "Library version mismatch";
}
// Retrieve features from the bitstream
// The bitstream structure is filled with information gathered from the bitstream
webp_status = WebPGetFeatures(data, data_size, bitstream);
if(webp_status != VP8_STATUS_OK) {
throw FI_MSG_ERROR_PARSING;
}
// Allocate output dib
unsigned bpp = bitstream->has_alpha ? 32 : 24;
unsigned width = (unsigned)bitstream->width;
unsigned height = (unsigned)bitstream->height;
dib = FreeImage_AllocateHeader(header_only, width, height, bpp, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
if(!dib) {
throw FI_MSG_ERROR_DIB_MEMORY;
}
if(header_only) {
WebPFreeDecBuffer(output_buffer);
return dib;
}
// --- Set decoding options ---
// use multi-threaded decoding
decoder_config.options.use_threads = 1;
// set output color space
output_buffer->colorspace = bitstream->has_alpha ? MODE_BGRA : MODE_BGR;
// ---
// decode the input stream, taking 'config' into account.
webp_status = WebPDecode(data, data_size, &decoder_config);
if(webp_status != VP8_STATUS_OK) {
throw FI_MSG_ERROR_PARSING;
}
// fill the dib with the decoded data
const BYTE *src_bitmap = output_buffer->u.RGBA.rgba;
const unsigned src_pitch = (unsigned)output_buffer->u.RGBA.stride;
switch(bpp) {
case 24:
for(unsigned y = 0; y < height; y++) {
const BYTE *src_bits = src_bitmap + y * src_pitch;
BYTE *dst_bits = (BYTE*)FreeImage_GetScanLine(dib, height-1-y);
for(unsigned x = 0; x < width; x++) {
dst_bits[FI_RGBA_BLUE] = src_bits[0]; // B
dst_bits[FI_RGBA_GREEN] = src_bits[1]; // G
dst_bits[FI_RGBA_RED] = src_bits[2]; // R
src_bits += 3;
dst_bits += 3;
}
}
break;
case 32:
for(unsigned y = 0; y < height; y++) {
const BYTE *src_bits = src_bitmap + y * src_pitch;
BYTE *dst_bits = (BYTE*)FreeImage_GetScanLine(dib, height-1-y);
for(unsigned x = 0; x < width; x++) {
dst_bits[FI_RGBA_BLUE] = src_bits[0]; // B
dst_bits[FI_RGBA_GREEN] = src_bits[1]; // G
dst_bits[FI_RGBA_RED] = src_bits[2]; // R
dst_bits[FI_RGBA_ALPHA] = src_bits[3]; // A
src_bits += 4;
dst_bits += 4;
}
}
break;
}
// Free the decoder
WebPFreeDecBuffer(output_buffer);
return dib;
} catch (const char *text) {
if(dib) {
FreeImage_Unload(dib);
}
WebPFreeDecBuffer(output_buffer);
if(NULL != text) {
FreeImage_OutputMessageProc(s_format_id, text);
}
return NULL;
}
}
int webp_decode(const char *in_file, const char *out_file, const FfiWebpDecodeConfig *decode_config) {
int return_value = -1;
WebPDecoderConfig config;
WebPDecBuffer* const output_buffer = &config.output;
WebPBitstreamFeatures* const bitstream = &config.input;
OutputFileFormat format = PNG;
if (!WebPInitDecoderConfig(&config)) {
//fprintf(stderr, "Library version mismatch!\n");
return 1;
}
if (decode_config->output_format != format){
format = decode_config->output_format;
}
if (decode_config->no_fancy_upsampling > 0){
config.options.no_fancy_upsampling = 1;
}
if (decode_config->bypass_filtering > 0){
config.options.bypass_filtering = 1;
}
if (decode_config->use_threads > 0){
config.options.use_threads = 1;
}
if ((decode_config->crop_w | decode_config->crop_h) > 0){
config.options.use_cropping = 1;
config.options.crop_left = decode_config->crop_x;
config.options.crop_top = decode_config->crop_y;
config.options.crop_width = decode_config->crop_w;
config.options.crop_height = decode_config->crop_h;
}
if ((decode_config->resize_w | decode_config->resize_h) > 0){
config.options.use_scaling = 1;
config.options.scaled_width = decode_config->resize_w;
config.options.scaled_height = decode_config->resize_h;
}
VP8StatusCode status = VP8_STATUS_OK;
size_t data_size = 0;
const uint8_t* data = NULL;
if (!UtilReadFile(in_file, &data, &data_size)) return -1;
status = WebPGetFeatures(data, data_size, bitstream);
if (status != VP8_STATUS_OK) {
//fprintf(stderr, "This is invalid webp image!\n");
return_value = 2;
goto Error;
}
switch (format) {
case PNG:
output_buffer->colorspace = bitstream->has_alpha ? MODE_RGBA : MODE_RGB;
break;
case PAM:
output_buffer->colorspace = MODE_RGBA;
break;
case PPM:
output_buffer->colorspace = MODE_RGB; // drops alpha for PPM
break;
case PGM:
output_buffer->colorspace = bitstream->has_alpha ? MODE_YUVA : MODE_YUV;
break;
case ALPHA_PLANE_ONLY:
output_buffer->colorspace = MODE_YUVA;
break;
default:
free((void*)data);
return 3;
}
status = WebPDecode(data, data_size, &config);
if (status != VP8_STATUS_OK) {
//fprintf(stderr, "Decoding of %s failed.\n", in_file);
return_value = 4;
goto Error;
}
UtilSaveOutput(output_buffer, format, out_file);
return_value = 0;
Error:
free((void*)data);
WebPFreeDecBuffer(output_buffer);
return return_value;
}
PyObject* WebPDecode_wrapper(PyObject* self, PyObject* args)
{
PyBytesObject *webp_string;
uint8_t *webp;
Py_ssize_t size;
PyObject *ret, *bytes, *pymode, *icc_profile = Py_None, *exif = Py_None;
WebPDecoderConfig config;
VP8StatusCode vp8_status_code = VP8_STATUS_OK;
char* mode = "RGB";
if (!PyArg_ParseTuple(args, "S", &webp_string)) {
Py_RETURN_NONE;
}
if (!WebPInitDecoderConfig(&config)) {
Py_RETURN_NONE;
}
PyBytes_AsStringAndSize((PyObject *) webp_string, (char**)&webp, &size);
vp8_status_code = WebPGetFeatures(webp, size, &config.input);
if (vp8_status_code == VP8_STATUS_OK) {
// If we don't set it, we don't get alpha.
// Initialized to MODE_RGB
if (config.input.has_alpha) {
config.output.colorspace = MODE_RGBA;
mode = "RGBA";
}
#ifndef HAVE_WEBPMUX
vp8_status_code = WebPDecode(webp, size, &config);
#else
{
int copy_data = 0;
WebPData data = { webp, size };
WebPMuxFrameInfo image;
WebPData icc_profile_data = {0};
WebPData exif_data = {0};
WebPMux* mux = WebPMuxCreate(&data, copy_data);
WebPMuxGetFrame(mux, 1, &image);
webp = (uint8_t*)image.bitstream.bytes;
size = image.bitstream.size;
vp8_status_code = WebPDecode(webp, size, &config);
WebPMuxGetChunk(mux, "ICCP", &icc_profile_data);
if (icc_profile_data.size > 0) {
icc_profile = PyBytes_FromStringAndSize((const char*)icc_profile_data.bytes, icc_profile_data.size);
}
WebPMuxGetChunk(mux, "EXIF", &exif_data);
if (exif_data.size > 0) {
exif = PyBytes_FromStringAndSize((const char*)exif_data.bytes, exif_data.size);
}
WebPMuxDelete(mux);
}
#endif
}
if (vp8_status_code != VP8_STATUS_OK) {
WebPFreeDecBuffer(&config.output);
Py_RETURN_NONE;
}
if (config.output.colorspace < MODE_YUV) {
bytes = PyBytes_FromStringAndSize((char *)config.output.u.RGBA.rgba,
config.output.u.RGBA.size);
} else {
// Skipping YUV for now. Need Test Images.
// UNDONE -- unclear if we'll ever get here if we set mode_rgb*
bytes = PyBytes_FromStringAndSize((char *)config.output.u.YUVA.y,
config.output.u.YUVA.y_size);
}
#if PY_VERSION_HEX >= 0x03000000
pymode = PyUnicode_FromString(mode);
#else
pymode = PyString_FromString(mode);
#endif
ret = Py_BuildValue("SiiSSS", bytes, config.output.width,
config.output.height, pymode, icc_profile, exif);
WebPFreeDecBuffer(&config.output);
return ret;
}
jobject doDecode(
JNIEnv* env,
uint8_t* encoded_image,
unsigned encoded_image_length,
jobject bitmapOptions,
jfloat scale) {
// Options manipulation is taken from https://github.com/android/platform_frameworks_base/blob/master/core/jni/android/graphics/BitmapFactory.cpp
int image_width = 0;
int image_height = 0;
jobject bitmap = nullptr;
WebPGetInfo(
encoded_image,
encoded_image_length,
&image_width,
&image_height);
WebPDecoderConfig config;
WebPInitDecoderConfig(&config);
if ((bitmapOptions != nullptr) &&
(setOutDimensions(env, bitmapOptions, image_width, image_height))) {
return {};
}
if (scale != 1.0f) {
image_width = int(image_width * scale + 0.5f);
image_height = int(image_height * scale + 0.5f);
config.options.use_scaling = 1;
config.options.scaled_width = image_width;
config.options.scaled_height = image_height;
}
bitmap = createBitmap(env, image_width, image_height, bitmapOptions);
RETURN_NULL_IF_EXCEPTION(env);
void* raw_pixels = nullptr;
int rc = AndroidBitmap_lockPixels(env, bitmap, (void**) &raw_pixels);
if (rc != ANDROID_BITMAP_RESULT_SUCCESS) {
env->ThrowNew(runtimeExceptionClass, "Decode error locking pixels");
return JNI_FALSE;
}
config.output.colorspace = MODE_RGBA;
config.output.u.RGBA.rgba = (uint8_t*) raw_pixels;
config.output.u.RGBA.stride = image_width * 4;
config.output.u.RGBA.size = image_width * image_height * 4;
config.output.is_external_memory = 1;
WebPDecode(encoded_image, encoded_image_length, &config);
rc = AndroidBitmap_unlockPixels(env, bitmap);
if (rc != ANDROID_BITMAP_RESULT_SUCCESS) {
env->ThrowNew(runtimeExceptionClass, "Decode error unlocking pixels");
return {};
}
if (bitmapOptions != nullptr) {
setBitmapSize(env, bitmapOptions, image_width, image_height);
}
return bitmap;
}
