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);
        Res_png_9patch::deserialize(patchNew);
        patchNew->fileToDevice();
        free(fPatch);
        fPatch = patchNew;
        fPatchSize = patchSize;
        //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
}
예제 #2
0
    virtual bool 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
    }