1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "NinePatchPeeker.h" 18 19 #include "SkBitmap.h" 20 21 using namespace android; 22 23 bool NinePatchPeeker::peek(const char tag[], const void* data, size_t length) { 24 if (strcmp("npTc", tag) == 0 && length >= sizeof(Res_png_9patch)) { 25 Res_png_9patch* patch = (Res_png_9patch*) data; 26 size_t patchSize = patch->serializedSize(); 27 assert(length == patchSize); 28 // You have to copy the data because it is owned by the png reader 29 Res_png_9patch* patchNew = (Res_png_9patch*) malloc(patchSize); 30 memcpy(patchNew, patch, patchSize); 31 // this relies on deserialization being done in place 32 Res_png_9patch::deserialize(patchNew); 33 patchNew->fileToDevice(); 34 free(fPatch); 35 fPatch = patchNew; 36 //printf("9patch: (%d,%d)-(%d,%d)\n", 37 // fPatch.sizeLeft, fPatch.sizeTop, 38 // fPatch.sizeRight, fPatch.sizeBottom); 39 40 // now update our host to force index or 32bit config 41 // 'cause we don't want 565 predithered, since as a 9patch, we know 42 // we will be stretched, and therefore we want to dither afterwards. 43 static const SkBitmap::Config gNo565Pref[] = { 44 SkBitmap::kIndex8_Config, 45 SkBitmap::kIndex8_Config, 46 SkBitmap::kARGB_8888_Config, 47 SkBitmap::kARGB_8888_Config, 48 SkBitmap::kARGB_8888_Config, 49 SkBitmap::kARGB_8888_Config, 50 }; 51 fHost->setPrefConfigTable(gNo565Pref); 52 } else if (strcmp("npLb", tag) == 0 && length == sizeof(int) * 4) { 53 fLayoutBounds = new int[4]; 54 memcpy(fLayoutBounds, data, sizeof(int) * 4); 55 } 56 return true; // keep on decoding 57 } 58
