Move HiDPI-related Pepper interfaces to stable

ppapi/cpp/graphics_2d.cc

 // 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.
 
 #include "ppapi/cpp/graphics_2d.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/point.h"
 #include "ppapi/cpp/rect.h"
 
 namespace pp {
 
 namespace {
 
 template <> const char* interface_name<PPB_Graphics2D_1_0>() {
   return PPB_GRAPHICS_2D_INTERFACE_1_0;
 }
 
+template <> const char* interface_name<PPB_Graphics2D_1_1>() {
+  return PPB_GRAPHICS_2D_INTERFACE_1_1;
+}
+
 }  // namespace
 
 Graphics2D::Graphics2D() : Resource() {
 }
 
 Graphics2D::Graphics2D(const Graphics2D& other)
     : Resource(other),
       size_(other.size_) {
 }
 
 Graphics2D::Graphics2D(const InstanceHandle& instance,
                        const Size& size,
                        bool is_always_opaque)
     : Resource() {
-  if (!has_interface<PPB_Graphics2D_1_0>())
+  if (has_interface<PPB_Graphics2D_1_1>()) {
+    PassRefFromConstructor(get_interface<PPB_Graphics2D_1_1>()->Create(
+        instance.pp_instance(),
+        &size.pp_size(),
+        PP_FromBool(is_always_opaque)));
+  } else if (has_interface<PPB_Graphics2D_1_0>()) {
+    PassRefFromConstructor(get_interface<PPB_Graphics2D_1_0>()->Create(
+        instance.pp_instance(),
+        &size.pp_size(),
+        PP_FromBool(is_always_opaque)));
+  } else {
     return;
-  PassRefFromConstructor(get_interface<PPB_Graphics2D_1_0>()->Create(
-      instance.pp_instance(),
-      &size.pp_size(),
-      PP_FromBool(is_always_opaque)));
+  }
   if (!is_null()) {
     // Only save the size if allocation succeeded.
     size_ = size;
   }
 }
 
 Graphics2D::~Graphics2D() {
 }
 
 Graphics2D& Graphics2D::operator=(const Graphics2D& other) {
   Resource::operator=(other);
   size_ = other.size_;
   return *this;
 }
 
 void Graphics2D::PaintImageData(const ImageData& image,
                                 const Point& top_left) {
-  if (!has_interface<PPB_Graphics2D_1_0>())
-    return;
-  get_interface<PPB_Graphics2D_1_0>()->PaintImageData(pp_resource(),
-                                                      image.pp_resource(),
-                                                      &top_left.pp_point(),
-                                                      NULL);
+  if (has_interface<PPB_Graphics2D_1_1>()) {
+    get_interface<PPB_Graphics2D_1_1>()->PaintImageData(pp_resource(),
+                                                        image.pp_resource(),
+                                                        &top_left.pp_point(),
+                                                        NULL);
+  } else if (has_interface<PPB_Graphics2D_1_0>()) {
+    get_interface<PPB_Graphics2D_1_0>()->PaintImageData(pp_resource(),
+                                                        image.pp_resource(),
+                                                        &top_left.pp_point(),
+                                                        NULL);
+  }
 }
 
 void Graphics2D::PaintImageData(const ImageData& image,
                                 const Point& top_left,
                                 const Rect& src_rect) {
-  if (!has_interface<PPB_Graphics2D_1_0>())
-    return;
-  get_interface<PPB_Graphics2D_1_0>()->PaintImageData(pp_resource(),
-                                                      image.pp_resource(),
-                                                      &top_left.pp_point(),
-                                                      &src_rect.pp_rect());
+  if (has_interface<PPB_Graphics2D_1_1>()) {
+    get_interface<PPB_Graphics2D_1_1>()->PaintImageData(pp_resource(),
+                                                        image.pp_resource(),
+                                                        &top_left.pp_point(),
+                                                        &src_rect.pp_rect());
+  } else if (has_interface<PPB_Graphics2D_1_0>()) {
+    get_interface<PPB_Graphics2D_1_0>()->PaintImageData(pp_resource(),
+                                                        image.pp_resource(),
+                                                        &top_left.pp_point(),
+                                                        &src_rect.pp_rect());
+  }
 }
 
 void Graphics2D::Scroll(const Rect& clip, const Point& amount) {
-  if (!has_interface<PPB_Graphics2D_1_0>())
-    return;
-  get_interface<PPB_Graphics2D_1_0>()->Scroll(pp_resource(),
-                                              &clip.pp_rect(),
-                                              &amount.pp_point());
+  if (has_interface<PPB_Graphics2D_1_1>()) {
+    get_interface<PPB_Graphics2D_1_1>()->Scroll(pp_resource(),
+                                                &clip.pp_rect(),
+                                                &amount.pp_point());
+  } else if (has_interface<PPB_Graphics2D_1_0>()) {
+    get_interface<PPB_Graphics2D_1_0>()->Scroll(pp_resource(),
+                                                &clip.pp_rect(),
+                                                &amount.pp_point());
+  }
 }
 
 void Graphics2D::ReplaceContents(ImageData* image) {
-  if (!has_interface<PPB_Graphics2D_1_0>())
+  if (has_interface<PPB_Graphics2D_1_1>()) {
+    get_interface<PPB_Graphics2D_1_1>()->ReplaceContents(pp_resource(),
+                                                         image->pp_resource());
+  } else if (has_interface<PPB_Graphics2D_1_0>()) {
+    get_interface<PPB_Graphics2D_1_0>()->ReplaceContents(pp_resource(),
+                                                         image->pp_resource());
+  } else {
     return;
-  get_interface<PPB_Graphics2D_1_0>()->ReplaceContents(pp_resource(),
-                                                       image->pp_resource());
+  }
 
   // On success, reset the image data. This is to help prevent people
   // from continuing to use the resource which will result in artifacts.
   *image = ImageData();
 }
 
 int32_t Graphics2D::Flush(const CompletionCallback& cc) {
-  if (!has_interface<PPB_Graphics2D_1_0>())
+  if (has_interface<PPB_Graphics2D_1_1>()) {
+    return get_interface<PPB_Graphics2D_1_1>()->Flush(
+        pp_resource(), cc.pp_completion_callback());
+  } else if (has_interface<PPB_Graphics2D_1_0>()) {
+    return get_interface<PPB_Graphics2D_1_0>()->Flush(
+        pp_resource(), cc.pp_completion_callback());
+  } else {
     return cc.MayForce(PP_ERROR_NOINTERFACE);
-  return get_interface<PPB_Graphics2D_1_0>()->Flush(
-      pp_resource(), cc.pp_completion_callback());
+  }
+}
+
+bool Graphics2D::SetScale(float scale) {
+  if (!has_interface<PPB_Graphics2D_1_1>())
+    return false;
+  return PP_ToBool(get_interface<PPB_Graphics2D_1_1>()->SetScale(pp_resource(),
+                                                                 scale));
+}
+
+float Graphics2D::GetScale() {
+  if (!has_interface<PPB_Graphics2D_1_1>())
+    return 1.0f;
+  return get_interface<PPB_Graphics2D_1_1>()->GetScale(pp_resource());
 }
 
 }  // namespace pp