SkData* CompressBitmapToFormat(const SkPixmap& pixmap, Format format) {
int compressedDataSize = GetCompressedDataSize(format, pixmap.width(), pixmap.height());
if (compressedDataSize < 0) {
return NULL;
}
const uint8_t* src = reinterpret_cast<const uint8_t*>(pixmap.addr());
SkData* dst = SkData::NewUninitialized(compressedDataSize);
if (!CompressBufferToFormat((uint8_t*)dst->writable_data(), src, pixmap.colorType(),
pixmap.width(), pixmap.height(), pixmap.rowBytes(), format)) {
dst->unref();
dst = NULL;
}
return dst;
}
SkData *CompressBitmapToFormat(const SkBitmap &bitmap, Format format) {
SkAutoLockPixels alp(bitmap);
int compressedDataSize = GetCompressedDataSize(format, bitmap.width(), bitmap.height());
if (compressedDataSize < 0) {
return NULL;
}
const uint8_t* src = reinterpret_cast<const uint8_t*>(bitmap.getPixels());
uint8_t* dst = reinterpret_cast<uint8_t*>(sk_malloc_throw(compressedDataSize));
if (CompressBufferToFormat(dst, src, bitmap.colorType(), bitmap.width(), bitmap.height(),
bitmap.rowBytes(), format)) {
return SkData::NewFromMalloc(dst, compressedDataSize);
}
sk_free(dst);
return NULL;
}
