// Copyright 2020 Google Inc.

//

// 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 <fuzzer/FuzzedDataProvider.h>

#include <cstddef>

#include <cstdint>

#include <cstdlib>

#include <string>

#include "gd.h"

#include "gdfontg.h"

#include "gdfontl.h"

#include "gdfontmb.h"

#include "gdfonts.h"

#include "gdfontt.h"

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

    FuzzedDataProvider stream(data, size);

    const uint8_t slate_width = stream.ConsumeIntegral<uint8_t>();

    const uint8_t slate_height = stream.ConsumeIntegral<uint8_t>();

    gdImagePtr slate_image = gdImageCreateTrueColor(slate_width, slate_height);

    if (slate_image == nullptr) {

      return 0;

    }

    const int x_position = stream.ConsumeIntegral<int>();

    const int y_position = stream.ConsumeIntegral<int>();

    const int text_color = stream.ConsumeIntegral<int>();

    const gdFontPtr font_ptr = stream.PickValueInArray(

        {gdFontGetGiant(), gdFontGetLarge(), gdFontGetMediumBold(),

        gdFontGetSmall(), gdFontGetTiny()});

    const std::string text = stream.ConsumeRemainingBytesAsString();

    gdImageString(slate_image, font_ptr, x_position, y_position,

                  reinterpret_cast<uint8_t*>(const_cast<char*>(text.c_str())),

                  text_color);

    gdImageDestroy(slate_image);

    return 0;

}