bool NinePatchPeeker::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); Res_png_9patch::deserialize(patchNew); patchNew->fileToDevice(); free(fPatch); fPatch = patchNew; fPatchSize = patchSize; //printf("9patch: (%d,%d)-(%d,%d)\n", // fPatch.sizeLeft, fPatch.sizeTop, // fPatch.sizeRight, fPatch.sizeBottom); // 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. SkImageDecoder::PrefConfigTable table; table.fPrefFor_8Index_NoAlpha_src = SkBitmap::kIndex8_Config; table.fPrefFor_8Index_YesAlpha_src = SkBitmap::kIndex8_Config; table.fPrefFor_8Gray_src = SkBitmap::kARGB_8888_Config; table.fPrefFor_8bpc_NoAlpha_src = SkBitmap::kARGB_8888_Config; table.fPrefFor_8bpc_YesAlpha_src = SkBitmap::kARGB_8888_Config; fHost->setPrefConfigTable(table); } else if (strcmp("npLb", tag) == 0 && length == sizeof(int) * 4) { fLayoutBounds = new int[4]; memcpy(fLayoutBounds, data, sizeof(int) * 4); } return true; // keep on decoding }
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 }