| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "NinePatchPeeker.h" |
| |
| #include "SkBitmap.h" |
| |
| using namespace android; |
| |
| 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); |
| // this relies on deserialization being done in place |
| Res_png_9patch::deserialize(patchNew); |
| patchNew->fileToDevice(); |
| free(fPatch); |
| fPatch = patchNew; |
| //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 |
| } |