src/ppapi/thunk/ppb_image_data_thunk.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 // From ppb_image_data.idl modified Thu Jun  6 18:05:40 2013.
   6
   7 #include <string.h>
   8
   9 #include "ppapi/c/pp_errors.h"
  10 #include "ppapi/c/ppb_image_data.h"
  11 #include "ppapi/shared_impl/ppb_image_data_shared.h"
  12 #include "ppapi/shared_impl/tracked_callback.h"
  13 #include "ppapi/thunk/enter.h"
  14 #include "ppapi/thunk/ppb_image_data_api.h"
  15 #include "ppapi/thunk/ppb_instance_api.h"
  16 #include "ppapi/thunk/resource_creation_api.h"
  17 #include "ppapi/thunk/thunk.h"
  18
  19 namespace ppapi {
  20 namespace thunk {
  21
  22 namespace {
  23
  24 PP_ImageDataFormat GetNativeImageDataFormat(void) {
  25   VLOG(4) << "PPB_ImageData::GetNativeImageDataFormat()";
  26   return PPB_ImageData_Shared::GetNativeImageDataFormat();
  27 }
  28
  29 PP_Bool IsImageDataFormatSupported(PP_ImageDataFormat format) {
  30   VLOG(4) << "PPB_ImageData::IsImageDataFormatSupported()";
  31   return PPB_ImageData_Shared::IsImageDataFormatSupported(format);
  32 }
  33
  34 PP_Resource Create(PP_Instance instance,
  35                    PP_ImageDataFormat format,
  36                    const struct PP_Size* size,
  37                    PP_Bool init_to_zero) {
  38   VLOG(4) << "PPB_ImageData::Create()";
  39   EnterResourceCreation enter(instance);
  40   if (enter.failed())
  41     return 0;
  42   return enter.functions()->CreateImageData(instance,
  43                                             format,
  44                                             size,
  45                                             init_to_zero);
  46 }
  47
  48 PP_Bool IsImageData(PP_Resource image_data) {
  49   VLOG(4) << "PPB_ImageData::IsImageData()";
  50   EnterResource<PPB_ImageData_API> enter(image_data, false);
  51   return PP_FromBool(enter.succeeded());
  52 }
  53
  54 PP_Bool Describe(PP_Resource image_data, struct PP_ImageDataDesc* desc) {
  55   VLOG(4) << "PPB_ImageData::Describe()";
  56   EnterResource<PPB_ImageData_API> enter(image_data, true);
  57   if (enter.failed()) {
  58     memset(desc, 0, sizeof(*desc));
  59     return PP_FALSE;
  60   }
  61   return enter.object()->Describe(desc);
  62 }
  63
  64 void* Map(PP_Resource image_data) {
  65   VLOG(4) << "PPB_ImageData::Map()";
  66   EnterResource<PPB_ImageData_API> enter(image_data, true);
  67   if (enter.failed())
  68     return NULL;
  69   return enter.object()->Map();
  70 }
  71
  72 void Unmap(PP_Resource image_data) {
  73   VLOG(4) << "PPB_ImageData::Unmap()";
  74   EnterResource<PPB_ImageData_API> enter(image_data, true);
  75   if (enter.failed())
  76     return;
  77   enter.object()->Unmap();
  78 }
  79
  80 const PPB_ImageData_1_0 g_ppb_imagedata_thunk_1_0 = {
  81   &GetNativeImageDataFormat,
  82   &IsImageDataFormatSupported,
  83   &Create,
  84   &IsImageData,
  85   &Describe,
  86   &Map,
  87   &Unmap
  88 };
  89
  90 }  // namespace
  91
  92 const PPB_ImageData_1_0* GetPPB_ImageData_1_0_Thunk() {
  93   return &g_ppb_imagedata_thunk_1_0;
  94 }
  95
  96 }  // namespace thunk
  97 }  // namespace ppapi