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 Tue Aug 20 08:13:36 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/ppapi_thunk_export.h"
  15 #include "ppapi/thunk/ppb_image_data_api.h"
  16
  17 namespace ppapi {
  18 namespace thunk {
  19
  20 namespace {
  21
  22 PP_ImageDataFormat GetNativeImageDataFormat(void) {
  23   VLOG(4) << "PPB_ImageData::GetNativeImageDataFormat()";
  24   return PPB_ImageData_Shared::GetNativeImageDataFormat();
  25 }
  26
  27 PP_Bool IsImageDataFormatSupported(PP_ImageDataFormat format) {
  28   VLOG(4) << "PPB_ImageData::IsImageDataFormatSupported()";
  29   return PPB_ImageData_Shared::IsImageDataFormatSupported(format);
  30 }
  31
  32 PP_Resource Create(PP_Instance instance,
  33                    PP_ImageDataFormat format,
  34                    const struct PP_Size* size,
  35                    PP_Bool init_to_zero) {
  36   VLOG(4) << "PPB_ImageData::Create()";
  37   EnterResourceCreation enter(instance);
  38   if (enter.failed())
  39     return 0;
  40   return enter.functions()->CreateImageData(instance,
  41                                             format,
  42                                             size,
  43                                             init_to_zero);
  44 }
  45
  46 PP_Bool IsImageData(PP_Resource image_data) {
  47   VLOG(4) << "PPB_ImageData::IsImageData()";
  48   EnterResource<PPB_ImageData_API> enter(image_data, false);
  49   return PP_FromBool(enter.succeeded());
  50 }
  51
  52 PP_Bool Describe(PP_Resource image_data, struct PP_ImageDataDesc* desc) {
  53   VLOG(4) << "PPB_ImageData::Describe()";
  54   EnterResource<PPB_ImageData_API> enter(image_data, true);
  55   if (enter.failed()) {
  56     memset(desc, 0, sizeof(*desc));
  57     return PP_FALSE;
  58   }
  59   return enter.object()->Describe(desc);
  60 }
  61
  62 void* Map(PP_Resource image_data) {
  63   VLOG(4) << "PPB_ImageData::Map()";
  64   EnterResource<PPB_ImageData_API> enter(image_data, true);
  65   if (enter.failed())
  66     return NULL;
  67   return enter.object()->Map();
  68 }
  69
  70 void Unmap(PP_Resource image_data) {
  71   VLOG(4) << "PPB_ImageData::Unmap()";
  72   EnterResource<PPB_ImageData_API> enter(image_data, true);
  73   if (enter.failed())
  74     return;
  75   enter.object()->Unmap();
  76 }
  77
  78 const PPB_ImageData_1_0 g_ppb_imagedata_thunk_1_0 = {
  79   &GetNativeImageDataFormat,
  80   &IsImageDataFormatSupported,
  81   &Create,
  82   &IsImageData,
  83   &Describe,
  84   &Map,
  85   &Unmap
  86 };
  87
  88 }  // namespace
  89
  90 PPAPI_THUNK_EXPORT const PPB_ImageData_1_0* GetPPB_ImageData_1_0_Thunk() {
  91   return &g_ppb_imagedata_thunk_1_0;
  92 }
  93
  94 }  // namespace thunk
  95 }  // namespace ppapi