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/*
* 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.
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 if (strcmp("npLb", tag) == 0 && length == sizeof(int) * 4) {
fLayoutBounds = new int[4];
memcpy(fLayoutBounds, data, sizeof(int) * 4);
}
return true; // keep on decoding
}
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