1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_CHROMEOS_DROP_SHADOW_LABEL_H_ 6 #define CHROME_BROWSER_CHROMEOS_DROP_SHADOW_LABEL_H_ 7 #pragma once 8 9 #include "ui/gfx/font.h" 10 #include "views/controls/label.h" 11 12 namespace chromeos { 13 14 ///////////////////////////////////////////////////////////////////////////// 15 // 16 // DropShadowLabel class 17 // 18 // A drop shadow label is a view subclass that can display a string 19 // with a drop shadow. 20 // 21 ///////////////////////////////////////////////////////////////////////////// 22 class DropShadowLabel : public views::Label { 23 public: 24 DropShadowLabel(); 25 26 // Sets the size of the drop shadow drawn under the text. 27 // Defaults to two. Note that this is a really simplistic drop 28 // shadow -- it gets more expensive to draw the larger it gets, 29 // since it simply draws more copies of the string. For instance, 30 // for a value of two, the string is draw seven times. In general, 31 // it is drawn three extra times for each increment of |size|. 32 void SetDropShadowSize(int size); 33 34 // Return the size of the drop shadow in pixels. 35 int drop_shadow_size() const { return drop_shadow_size_; } 36 37 // Overridden to paint the text differently from the base class. 38 virtual void PaintText(gfx::Canvas* canvas, 39 const std::wstring& text, 40 const gfx::Rect& text_bounds, 41 int flags); 42 43 protected: 44 virtual gfx::Size GetTextSize() const; 45 46 private: 47 void Init(); 48 49 int drop_shadow_size_; 50 51 DISALLOW_COPY_AND_ASSIGN(DropShadowLabel); 52 }; 53 54 } // namespace chromeos 55 56 #endif // CHROME_BROWSER_CHROMEOS_DROP_SHADOW_LABEL_H_ 57
