Merge TextButton and LabelButton border images util structs, etc.

ui/views/controls/button/border_images.h

+// Copyright (c) 2012 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 UI_VIEWS_CONTROLS_BUTTON_BORDER_IMAGES_H_
+#define UI_VIEWS_CONTROLS_BUTTON_BORDER_IMAGES_H_
+
+#include "ui/gfx/image/image_skia.h"
+#include "ui/views/views_export.h"
+
+namespace gfx {
+class Canvas;
+class Rect;
+}
+
+namespace views {
+
+// BorderImages stores and paints the nine images comprising a button border.
+// TODO(msw): Merge common "nine-box" code with BubbleBorder, ImagePainter, etc.
+// TODO(msw): Stitch border image assets together and use ImagePainter.
+struct VIEWS_EXPORT BorderImages {
+  // The default hot and pushed button image IDs; normal has none by default.
+  static const int kHot[];
+  static const int kPushed[];
+
+  BorderImages();
+  // |image_ids| must contain 9 image IDs matching the member order below.
+  explicit BorderImages(const int image_ids[]);
+  ~BorderImages();
+
+  // Paint the images on |canvas| within |rect|'s dimensions.
+  void Paint(const gfx::Rect& rect, gfx::Canvas* canvas) const;
+
+  gfx::ImageSkia top_left;
+  gfx::ImageSkia top;
+  gfx::ImageSkia top_right;
+  gfx::ImageSkia left;
+  gfx::ImageSkia center;
+  gfx::ImageSkia right;
+  gfx::ImageSkia bottom_left;
+  gfx::ImageSkia bottom;
+  gfx::ImageSkia bottom_right;
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_BUTTON_BORDER_IMAGES_H_