ui/gfx/insets.h

   1 // Copyright (c) 2012 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 UI_GFX_INSETS_H_
   6 #define UI_GFX_INSETS_H_
   7
   8 #include <string>
   9
  10 #include "build/build_config.h"
  11 #include "ui/base/ui_export.h"
  12 #include "ui/gfx/insets_base.h"
  13
  14 #if defined(TOOLKIT_GTK)
  15 typedef struct _GtkBorder GtkBorder;
  16 #endif
  17
  18 namespace gfx {
  19
  20 // An integer versin of gfx::Insets.
  21 class UI_EXPORT Insets : public InsetsBase<Insets, int> {
  22  public:
  23   Insets();
  24   Insets(int top, int left, int bottom, int right);
  25 #if defined(TOOLKIT_GTK)
  26   explicit Insets(const GtkBorder& border);
  27 #endif
  28
  29   ~Insets();
  30
  31   Insets Scale(float scale) const {
  32     return Scale(scale, scale);
  33   }
  34
  35   Insets Scale(float x_scale, float y_scale) const {
  36     return Insets(static_cast<int>(top() * y_scale),
  37                   static_cast<int>(left() * x_scale),
  38                   static_cast<int>(bottom() * y_scale),
  39                   static_cast<int>(right() * x_scale));
  40   }
  41
  42   // Returns a string representation of the insets.
  43   std::string ToString() const;
  44 };
  45
  46 #if !defined(COMPILER_MSVC)
  47 extern template class InsetsBase<Insets, int>;
  48 #endif
  49
  50 }  // namespace gfx
  51
  52 #endif  // UI_GFX_INSETS_H_