Leon Scroggins | a06d86a | 2011-03-02 16:56:54 -0500 | [diff] [blame] | 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(); |
Amith Yamasani | ec4a504 | 2012-04-04 10:27:15 -0700 | [diff] [blame] | 34 | free(fPatch); |
Leon Scroggins | a06d86a | 2011-03-02 16:56:54 -0500 | [diff] [blame] | 35 | fPatch = patchNew; |
| 36 | //printf("9patch: (%d,%d)-(%d,%d)\n", |
| 37 | // fPatch.sizeLeft, fPatch.sizeTop, |
| 38 | // fPatch.sizeRight, fPatch.sizeBottom); |
Leon Scroggins | a06d86a | 2011-03-02 16:56:54 -0500 | [diff] [blame] | 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. |
Leon Scroggins III | 82b7b0b | 2013-12-02 15:10:48 -0500 | [diff] [blame] | 43 | SkImageDecoder::PrefConfigTable table; |
| 44 | table.fPrefFor_8Index_NoAlpha_src = SkBitmap::kIndex8_Config; |
| 45 | table.fPrefFor_8Index_YesAlpha_src = SkBitmap::kIndex8_Config; |
| 46 | table.fPrefFor_8Gray_src = SkBitmap::kARGB_8888_Config; |
| 47 | table.fPrefFor_8bpc_NoAlpha_src = SkBitmap::kARGB_8888_Config; |
| 48 | table.fPrefFor_8bpc_YesAlpha_src = SkBitmap::kARGB_8888_Config; |
| 49 | |
| 50 | fHost->setPrefConfigTable(table); |
Amith Yamasani | ec4a504 | 2012-04-04 10:27:15 -0700 | [diff] [blame] | 51 | } else if (strcmp("npLb", tag) == 0 && length == sizeof(int) * 4) { |
| 52 | fLayoutBounds = new int[4]; |
| 53 | memcpy(fLayoutBounds, data, sizeof(int) * 4); |
Leon Scroggins | a06d86a | 2011-03-02 16:56:54 -0500 | [diff] [blame] | 54 | } |
| 55 | return true; // keep on decoding |
| 56 | } |