jpeg_optimizer_test_helper.h

// Copyright 2011 Google Inc.

#ifndef PAGESPEED_KERNEL_IMAGE_JPEG_OPTIMIZER_TEST_HELPER_H_
#define PAGESPEED_KERNEL_IMAGE_JPEG_OPTIMIZER_TEST_HELPER_H_

#include "pagespeed/kernel/base/string.h"

namespace pagespeed_testing {
namespace image_compression {

bool GetJpegNumComponentsAndSamplingFactors(
    const GoogleString& jpeg,
    int* out_num_components,
    int* out_h_samp_factor,
    int* out_v_samp_factor);

bool IsJpegSegmentPresent(const GoogleString& data, int segment);

int GetNumScansInJpeg(const GoogleString& data);

int GetColorProfileMarker();

int GetExifDataMarker();

}  
}  

#endif