ppapi/cpp/dev/graphics_2d_dev.cc

   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 #include "ppapi/cpp/dev/graphics_2d_dev.h"
   6
   7 #include "ppapi/c/dev/ppb_graphics_2d_dev.h"
   8 #include "ppapi/cpp/module_impl.h"
   9
  10 namespace pp {
  11
  12 namespace {
  13
  14 template <> const char* interface_name<PPB_Graphics2D_Dev>() {
  15   return PPB_GRAPHICS2D_DEV_INTERFACE;
  16 }
  17
  18 }  // namespace
  19
  20 // static
  21 bool Graphics2D_Dev::SupportsScale() {
  22   return has_interface<PPB_Graphics2D_Dev>();
  23 }
  24
  25 bool Graphics2D_Dev::SetScale(float scale) {
  26   if (!has_interface<PPB_Graphics2D_Dev>())
  27     return false;
  28   return PP_ToBool(get_interface<PPB_Graphics2D_Dev>()->SetScale(pp_resource(),
  29                                                                  scale));
  30 }
  31
  32 float Graphics2D_Dev::GetScale() {
  33   if (!has_interface<PPB_Graphics2D_Dev>())
  34     return 1.0f;
  35   return get_interface<PPB_Graphics2D_Dev>()->GetScale(pp_resource());
  36 }
  37
  38 }  // namespace pp