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-rw-r--r--chrome/views/controls/image_view.h107
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diff --git a/chrome/views/controls/image_view.h b/chrome/views/controls/image_view.h
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--- a/chrome/views/controls/image_view.h
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-// Copyright (c) 2006-2008 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.
-
-#ifndef CHROME_VIEWS_CONTROLS_IMAGE_VIEW_H_
-#define CHROME_VIEWS_CONTROLS_IMAGE_VIEW_H_
-
-#include "chrome/views/view.h"
-#include "SkBitmap.h"
-
-class ChromeCanvas;
-
-namespace views {
-
-/////////////////////////////////////////////////////////////////////////////
-//
-// ImageView class.
-//
-// An ImageView can display an image from an SkBitmap. If a size is provided,
-// the ImageView will resize the provided image to fit if it is too big or will
-// center the image if smaller. Otherwise, the preferred size matches the
-// provided image size.
-//
-/////////////////////////////////////////////////////////////////////////////
-class ImageView : public View {
- public:
- enum Alignment {
- LEADING = 0,
- CENTER,
- TRAILING
- };
-
- ImageView();
- virtual ~ImageView();
-
- // Set the bitmap that should be displayed.
- void SetImage(const SkBitmap& bm);
-
- // Set the bitmap that should be displayed from a pointer. Reset the image
- // if the pointer is NULL. The pointer contents is copied in the receiver's
- // bitmap.
- void SetImage(SkBitmap* bm);
-
- // Returns the bitmap currently displayed or NULL of none is currently set.
- // The returned bitmap is still owned by the ImageView.
- const SkBitmap& GetImage();
-
- // Set the desired image size for the receiving ImageView.
- void SetImageSize(const gfx::Size& image_size);
-
- // Return the preferred size for the receiving view. Returns false if the
- // preferred size is not defined, which means that the view uses the image
- // size.
- bool GetImageSize(gfx::Size* image_size);
-
- // Reset the image size to the current image dimensions.
- void ResetImageSize();
-
- // Set / Get the horizontal alignment.
- void SetHorizontalAlignment(Alignment ha);
- Alignment GetHorizontalAlignment();
-
- // Set / Get the vertical alignment.
- void SetVerticalAlignment(Alignment va);
- Alignment GetVerticalAlignment();
-
- // Set / Get the tooltip text.
- void SetTooltipText(const std::wstring& tooltip);
- std::wstring GetTooltipText();
-
- // Return whether the image should be centered inside the view.
- // Overriden from View
- virtual gfx::Size GetPreferredSize();
- virtual void Paint(ChromeCanvas* canvas);
-
- // Overriden from View.
- virtual bool GetTooltipText(int x, int y, std::wstring* tooltip);
-
- private:
- // Compute the image origin given the desired size and the receiver alignment
- // properties.
- void ComputeImageOrigin(int image_width, int image_height, int *x, int *y);
-
- // Whether the image size is set.
- bool image_size_set_;
-
- // The actual image size.
- gfx::Size image_size_;
-
- // The underlying bitmap.
- SkBitmap image_;
-
- // Horizontal alignment.
- Alignment horiz_alignment_;
-
- // Vertical alignment.
- Alignment vert_alignment_;
-
- // The current tooltip text.
- std::wstring tooltip_text_;
-
- DISALLOW_EVIL_CONSTRUCTORS(ImageView);
-};
-
-} // namespace views
-
-#endif // CHROME_VIEWS_CONTROLS_IMAGE_VIEW_H_