Merge "Ninepatch tweaks for better interop"

	android/graphics/Movie.cpp \

	android/graphics/NinePatch.cpp \

	android/graphics/NinePatchImpl.cpp \

	android/graphics/NinePatchPeeker.cpp \

	android/graphics/Paint.cpp \

	android/graphics/Path.cpp \

	android/graphics/PathMeasure.cpp \

/*

 * 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();

        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

}

/*

 * 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.

 */

#ifndef NinePatchPeeker_h

#define NinePatchPeeker_h

#include "SkImageDecoder.h"

#include <utils/ResourceTypes.h>

using namespace android;

class NinePatchPeeker : public SkImageDecoder::Peeker {

    SkImageDecoder* fHost;

public:

    NinePatchPeeker(SkImageDecoder* host) {

        // the host lives longer than we do, so a raw ptr is safe

        fHost = host;

        fPatchIsValid = false;

    }

    ~NinePatchPeeker() {

        if (fPatchIsValid) {

            free(fPatch);

        }

    }

    bool    fPatchIsValid;

    Res_png_9patch*  fPatch;

    virtual bool peek(const char tag[], const void* data, size_t length);

};

#endif // NinePatchPeeker_h