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// Copyright 2016 The Chromium Authors. All rights reserved.
// 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 "third_party/blink/renderer/core/svg/graphics/svg_image.h"
#include "third_party/blink/renderer/core/svg/graphics/svg_image_for_container.h"
#include "third_party/blink/renderer/platform/geometry/layout_size.h"
namespace blink {
FloatSize StyleImage::ApplyZoom(const FloatSize& size, float multiplier) const {
if (multiplier == 1.0f || !HasIntrinsicSize())
return size;
float width = size.Width() * multiplier;
float height = size.Height() * multiplier;
// Don't let images that have a width/height >= 1 shrink below 1 when zoomed.
if (size.Width() > 0)
width = std::max(1.0f, width);
if (size.Height() > 0)
height = std::max(1.0f, height);
return FloatSize(width, height);
}
FloatSize StyleImage::ImageSizeForSVGImage(
SVGImage* svg_image,
float multiplier,
const FloatSize& default_object_size) const {
FloatSize unzoomed_default_object_size = default_object_size;
unzoomed_default_object_size.Scale(1 / multiplier);
return ApplyZoom(svg_image->ConcreteObjectSize(unzoomed_default_object_size),
multiplier);
}
} // namespace blink
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