ui/base/cocoa/appkit_utils.h

   1 // Copyright 2013 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_BASE_COCOA_APPKIT_UTILS_H
   6 #define UI_BASE_COCOA_APPKIT_UTILS_H
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #include "ui/base/ui_base_export.h"
  11
  12 namespace ui {
  13
  14 struct NinePartImageIds {
  15   int top_left;
  16   int top;
  17   int top_right;
  18   int left;
  19   int center;
  20   int right;
  21   int bottom_left;
  22   int bottom;
  23   int bottom_right;
  24 };
  25
  26 // A macro to define arrays of IDR constants used with DrawNinePartImage.
  27 #define IMAGE_GRID(x) { x ## _TOP_LEFT,    x ## _TOP,    x ## _TOP_RIGHT, \
  28                         x ## _LEFT,        x ## _CENTER, x ## _RIGHT, \
  29                         x ## _BOTTOM_LEFT, x ## _BOTTOM, x ## _BOTTOM_RIGHT, }
  30
  31 // Utility method to draw a nine part image using image ids.
  32 UI_BASE_EXPORT void DrawNinePartImage(NSRect frame,
  33                                       const NinePartImageIds& image_ids,
  34                                       NSCompositingOperation operation,
  35                                       CGFloat alpha,
  36                                       BOOL flipped);
  37
  38 }  // namespace ui
  39
  40 #endif  // UI_BASE_COCOA_APPKIT_UTILS_H