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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_ANDROID_RESOURCES_NINE_PATCH_RESOURCE_H_
#define UI_ANDROID_RESOURCES_NINE_PATCH_RESOURCE_H_
#include "ui/android/resources/resource.h"
#include "ui/android/ui_android_export.h"
#include "ui/gfx/geometry/insets_f.h"
#include "ui/gfx/geometry/point_f.h"
namespace cc {
class NinePatchLayer;
}
namespace ui {
class UI_ANDROID_EXPORT NinePatchResource final : public Resource {
public:
static NinePatchResource* From(Resource* resource);
NinePatchResource(gfx::Rect padding, gfx::Rect aperture);
~NinePatchResource() override;
std::unique_ptr<Resource> CreateForCopy() override;
// Returns the drawing size that the resource will take for padding content
// of size |content_size|.
gfx::Size DrawSize(const gfx::Size& content_size) const;
// Returns the position where the resource should be drawn to account for
// margins, given the |content_position| in the parent's coordinate space.
gfx::PointF DrawPosition(const gfx::Point& content_position) const;
// Updates draw properties on |layer| used to draw this resource. The
// |content_location| is the rect of the content to be fit inside the resource
// in the parent's coordinate space.
void UpdateNinePatchLayer(cc::NinePatchLayer* layer,
const gfx::Rect& content_location) const;
gfx::Rect Border(const gfx::Size& bounds) const;
gfx::Rect Border(const gfx::Size& bounds, const gfx::InsetsF& scale) const;
gfx::Rect padding() const { return padding_; }
gfx::Rect aperture() const { return aperture_; }
private:
const gfx::Rect padding_;
const gfx::Rect aperture_;
};
} // namespace ui
#endif // UI_ANDROID_RESOURCES_NINE_PATCH_RESOURCE_H_
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