virtual bool peek(const char tag[], const void* data, size_t length) {
if (strcmp("npTc", tag) == 0 && length >= sizeof(Res_png_9patch)) {
Res_png_9patch* patch = (Res_png_9patch*) data;
size_t patchSize = patch->serializedSize();
assert(length == patchSize);
// You have to copy the data because it is owned by the png reader
Res_png_9patch* patchNew = (Res_png_9patch*) malloc(patchSize);
memcpy(patchNew, patch, patchSize);
// this relies on deserialization being done in place
Res_png_9patch::deserialize(patchNew);
patchNew->fileToDevice();
if (fPatchIsValid) {
free(fPatch);
}
fPatch = patchNew;
//printf("9patch: (%d,%d)-(%d,%d)\n",
// fPatch.sizeLeft, fPatch.sizeTop,
// fPatch.sizeRight, fPatch.sizeBottom);
fPatchIsValid = true;
// now update our host to force index or 32bit config
// 'cause we don't want 565 predithered, since as a 9patch, we know
// we will be stretched, and therefore we want to dither afterwards.
static const SkBitmap::Config gNo565Pref[] = {
SkBitmap::kIndex8_Config,
SkBitmap::kIndex8_Config,
SkBitmap::kARGB_8888_Config,
SkBitmap::kARGB_8888_Config,
SkBitmap::kARGB_8888_Config,
SkBitmap::kARGB_8888_Config,
};
fHost->setPrefConfigTable(gNo565Pref);
} else {
fPatch = NULL;
}
return true; // keep on decoding
}
void ImageSource::setData(SharedBuffer* data, bool allDataReceived)
{
#ifdef ANDROID_ANIMATED_GIF
// This is only necessary if we allow ourselves to partially decode GIF
bool disabledAnimatedGif = false;
if (m_decoder.m_gifDecoder
&& !m_decoder.m_gifDecoder->failed()) {
m_decoder.m_gifDecoder->setData(data, allDataReceived);
if (!allDataReceived || m_decoder.m_gifDecoder->frameCount() != 1)
return;
disabledAnimatedGif = true;
delete m_decoder.m_gifDecoder;
m_decoder.m_gifDecoder = 0;
}
#endif
if (NULL == m_decoder.m_image
#ifdef ANDROID_ANIMATED_GIF
&& !m_decoder.m_gifDecoder
#endif
) {
SkBitmap tmp;
SkMemoryStream stream(data->data(), data->size(), false);
SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
if (!codec)
return;
SkAutoTDelete<SkImageDecoder> ad(codec);
// FOR KITKAT MR2 INTEGRATION
//codec->setPrefConfigTable(gPrefConfigTable);
SkImageDecoder::PrefConfigTable configTable;
configTable.fPrefFor_8Index_NoAlpha_src = gPrefConfigTable[0];
configTable.fPrefFor_8Index_YesAlpha_src = gPrefConfigTable[1];
configTable.fPrefFor_8Gray_src = SkBitmap::kNo_Config;
configTable.fPrefFor_8bpc_NoAlpha_src = gPrefConfigTable[4];
configTable.fPrefFor_8bpc_YesAlpha_src = gPrefConfigTable[5];
codec->setPrefConfigTable(configTable);
// FOR KITKAT MR2 INTEGRATION
if (!codec->decode(&stream, &tmp, SkImageDecoder::kDecodeBounds_Mode))
return;
int origW = tmp.width();
int origH = tmp.height();
#ifdef ANDROID_ANIMATED_GIF
// First, check to see if this is an animated GIF
const char* contents = data->data();
if (data->size() > 3 && strncmp(contents, "GIF8", 4) == 0
&& should_use_animated_gif(origW, origH)
&& !disabledAnimatedGif) {
// This means we are looking at a GIF, so create special
// GIF Decoder
// Need to wait for all data received if we are assigning an
// allocator (which we are not at the moment).
if (!m_decoder.m_gifDecoder /*&& allDataReceived*/)
m_decoder.m_gifDecoder = new GIFImageDecoder(m_alphaOption, m_gammaAndColorProfileOption);
int frameCount = 0;
if (!m_decoder.m_gifDecoder->failed()) {
m_decoder.m_gifDecoder->setData(data, allDataReceived);
if (!allDataReceived)
return;
frameCount = m_decoder.m_gifDecoder->frameCount();
}
if (frameCount != 1)
return;
delete m_decoder.m_gifDecoder;
m_decoder.m_gifDecoder = 0;
}
#endif
int sampleSize = computeSampleSize(tmp);
if (sampleSize > 1) {
codec->setSampleSize(sampleSize);
stream.rewind();
if (!codec->decode(&stream, &tmp,
SkImageDecoder::kDecodeBounds_Mode)) {
return;
}
}
m_decoder.m_image = new PrivateAndroidImageSourceRec(tmp, origW, origH,
sampleSize);
// SkDebugf("----- started: [%d %d] %s\n", origW, origH, m_decoder.m_url.c_str());
}
PrivateAndroidImageSourceRec* decoder = m_decoder.m_image;
if (allDataReceived && decoder && !decoder->fAllDataReceived) {
decoder->fAllDataReceived = true;
SkBitmap* bm = &decoder->bitmap();
// 4.2 Merge BEGIN <<
//Following code removed in 4.2
// SkPixelRef* ref = convertToRLE(bm, data->data(), data->size()); //4.2 Merge : removed in 4.2
// if (ref) {
// bm->setPixelRef(ref)->unref();
// } else {
// 4.2 Merge END >>
BitmapAllocatorAndroid alloc(data, decoder->fSampleSize);
if (!alloc.allocPixelRef(bm, NULL)) {
return;
}
SkPixelRef* ref = bm->pixelRef();//4.2 Merge
// }//4.3 Merge : removed in 4.2
// we promise to never change the pixels (makes picture recording fast)
ref->setImmutable();
// give it the URL if we have one
ref->setURI(m_decoder.m_url);
}
}