// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/style/style_image.h"

#include "ui/gfx/geometry/size_f.h"

namespace blink {

RespectImageOrientationEnum StyleImage::ForceOrientationIfNecessary(
    RespectImageOrientationEnum default_orientation) const {
  if (default_orientation == kRespectImageOrientation) {
    return kRespectImageOrientation;
  }
  DCHECK_EQ(default_orientation, kDoNotRespectImageOrientation);
  return IsCorsSameOrigin() ? kDoNotRespectImageOrientation
                            : kRespectImageOrientation;
}

gfx::SizeF StyleImage::ApplyZoom(const gfx::SizeF& size, float multiplier) {
  if (multiplier == 1.0f) {
    return size;
  }

  gfx::SizeF scaled_size = gfx::ScaleSize(size, multiplier);

  // Don't let images that have a width/height >= 1 shrink below 1 when zoomed.
  if (size.width() > 0) {
    scaled_size.set_width(std::max(1.0f, scaled_size.width()));
  }

  if (size.height() > 0) {
    scaled_size.set_height(std::max(1.0f, scaled_size.height()));
  }

  return scaled_size;
}

}  // namespace blink