File: dip_px_util.h

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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_APPS_APP_SERVICE_APP_ICON_DIP_PX_UTIL_H_
#define CHROME_BROWSER_APPS_APP_SERVICE_APP_ICON_DIP_PX_UTIL_H_

// Utility functions for converting between DIP (device independent pixels) and
// PX (physical pixels).
//
// "Supported scale factor" means a `ui::ResourceScaleFactor` enum value
// (representing one of a finite number of floating point values) returned by
// `ui::GetSupportedScaleFactor`.

#include "ui/base/resource/resource_scale_factor.h"

namespace apps_util {

int ConvertDipToPx(int dip, bool quantize_to_supported_scale_factor);
int ConvertPxToDip(int px, bool quantize_to_supported_scale_factor);
int ConvertDipToPxForScale(int dip, float scale);
ui::ResourceScaleFactor GetPrimaryDisplayUIScaleFactor();

}  // namespace apps_util

#endif  // CHROME_BROWSER_APPS_APP_SERVICE_APP_ICON_DIP_PX_UTIL_H_