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// Copyright 2013 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 "ui/message_center/views/proportional_image_view.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/message_center/message_center_style.h"
namespace message_center {
const char ProportionalImageView::kViewClassName[] = "ProportionalImageView";
ProportionalImageView::ProportionalImageView(const gfx::Size& view_size) {
SetPreferredSize(view_size);
}
ProportionalImageView::~ProportionalImageView() {}
void ProportionalImageView::SetImage(const gfx::ImageSkia& image,
const gfx::Size& max_image_size) {
image_ = image;
max_image_size_ = max_image_size;
SchedulePaint();
}
void ProportionalImageView::OnPaint(gfx::Canvas* canvas) {
views::View::OnPaint(canvas);
gfx::Size draw_size = GetImageDrawingSize();
if (draw_size.IsEmpty())
return;
gfx::Rect draw_bounds = GetContentsBounds();
draw_bounds.ClampToCenteredSize(draw_size);
gfx::ImageSkia image =
(image_.size() == draw_size)
? image_
: gfx::ImageSkiaOperations::CreateResizedImage(
image_, skia::ImageOperations::RESIZE_BEST, draw_size);
canvas->DrawImageInt(image, draw_bounds.x(), draw_bounds.y());
}
const char* ProportionalImageView::GetClassName() const {
return kViewClassName;
}
gfx::Size ProportionalImageView::GetImageDrawingSize() {
if (!visible())
return gfx::Size();
gfx::Size max_size = max_image_size_;
max_size.SetToMin(GetContentsBounds().size());
return message_center::GetImageSizeForContainerSize(max_size, image_.size());
}
} // namespace message_center
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