diff options
Diffstat (limited to 'webkit/glue/plugins/pepper_image_data.cc')
| -rw-r--r-- | webkit/glue/plugins/pepper_image_data.cc | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/webkit/glue/plugins/pepper_image_data.cc b/webkit/glue/plugins/pepper_image_data.cc deleted file mode 100644 index 92d4364..0000000 --- a/webkit/glue/plugins/pepper_image_data.cc +++ /dev/null @@ -1,210 +0,0 @@ -// Copyright (c) 2010 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 "webkit/glue/plugins/pepper_image_data.h" - -#include <algorithm> -#include <limits> - -#include "base/logging.h" -#include "base/scoped_ptr.h" -#include "skia/ext/platform_canvas.h" -#include "ppapi/c/pp_instance.h" -#include "ppapi/c/pp_module.h" -#include "ppapi/c/pp_resource.h" -#include "ppapi/c/ppb_image_data.h" -#include "ppapi/c/trusted/ppb_image_data_trusted.h" -#include "third_party/skia/include/core/SkColorPriv.h" -#include "webkit/glue/plugins/pepper_common.h" -#include "webkit/glue/plugins/pepper_plugin_instance.h" -#include "webkit/glue/plugins/pepper_plugin_module.h" - -namespace pepper { - -namespace { - -PP_ImageDataFormat GetNativeImageDataFormat() { - return ImageData::GetNativeImageDataFormat(); -} - -PP_Bool IsImageDataFormatSupported(PP_ImageDataFormat format) { - return BoolToPPBool(ImageData::IsImageDataFormatSupported(format)); -} - -PP_Resource Create(PP_Module module_id, - PP_ImageDataFormat format, - const PP_Size* size, - PP_Bool init_to_zero) { - PluginModule* module = ResourceTracker::Get()->GetModule(module_id); - if (!module) - return 0; - - scoped_refptr<ImageData> data(new ImageData(module)); - if (!data->Init(format, - size->width, - size->height, - PPBoolToBool(init_to_zero))) { - return 0; - } - - return data->GetReference(); -} - -PP_Bool IsImageData(PP_Resource resource) { - return BoolToPPBool(!!Resource::GetAs<ImageData>(resource)); -} - -PP_Bool Describe(PP_Resource resource, PP_ImageDataDesc* desc) { - // Give predictable values on failure. - memset(desc, 0, sizeof(PP_ImageDataDesc)); - - scoped_refptr<ImageData> image_data(Resource::GetAs<ImageData>(resource)); - if (!image_data) - return PP_FALSE; - image_data->Describe(desc); - return PP_TRUE; -} - -void* Map(PP_Resource resource) { - scoped_refptr<ImageData> image_data(Resource::GetAs<ImageData>(resource)); - if (!image_data) - return NULL; - return image_data->Map(); -} - -void Unmap(PP_Resource resource) { - scoped_refptr<ImageData> image_data(Resource::GetAs<ImageData>(resource)); - if (image_data) - image_data->Unmap(); -} - -uint64_t GetNativeMemoryHandle2(PP_Resource resource, uint32_t* byte_count) { - scoped_refptr<ImageData> image_data(Resource::GetAs<ImageData>(resource)); - if (image_data) - return image_data->GetNativeMemoryHandle(byte_count); - return 0; -} - -const PPB_ImageData ppb_imagedata = { - &GetNativeImageDataFormat, - &IsImageDataFormatSupported, - &Create, - &IsImageData, - &Describe, - &Map, - &Unmap, -}; - -const PPB_ImageDataTrusted ppb_imagedata_trusted = { - &GetNativeMemoryHandle2, -}; - -} // namespace - -ImageData::ImageData(PluginModule* module) - : Resource(module), - format_(PP_IMAGEDATAFORMAT_BGRA_PREMUL), - width_(0), - height_(0) { -} - -ImageData::~ImageData() { -} - -// static -const PPB_ImageData* ImageData::GetInterface() { - return &ppb_imagedata; -} - -// static -const PPB_ImageDataTrusted* ImageData::GetTrustedInterface() { - return &ppb_imagedata_trusted; -} - -// static -PP_ImageDataFormat ImageData::GetNativeImageDataFormat() { - if (SK_B32_SHIFT == 0) - return PP_IMAGEDATAFORMAT_BGRA_PREMUL; - else if (SK_R32_SHIFT == 0) - return PP_IMAGEDATAFORMAT_RGBA_PREMUL; - else - return PP_IMAGEDATAFORMAT_BGRA_PREMUL; // Default to something on failure. -} - -// static -bool ImageData::IsImageDataFormatSupported(PP_ImageDataFormat format) { - return format == PP_IMAGEDATAFORMAT_BGRA_PREMUL || - format == PP_IMAGEDATAFORMAT_RGBA_PREMUL; -} - -bool ImageData::Init(PP_ImageDataFormat format, - int width, int height, - bool init_to_zero) { - // TODO(brettw) this should be called only on the main thread! - // TODO(brettw) use init_to_zero when we implement caching. - if (!IsImageDataFormatSupported(format)) - return false; // Only support this one format for now. - if (width <= 0 || height <= 0) - return false; - if (static_cast<int64>(width) * static_cast<int64>(height) >= - std::numeric_limits<int32>::max()) - return false; // Prevent overflow of signed 32-bit ints. - - platform_image_.reset( - module()->GetSomeInstance()->delegate()->CreateImage2D(width, height)); - format_ = format; - width_ = width; - height_ = height; - return !!platform_image_.get(); -} - -void ImageData::Describe(PP_ImageDataDesc* desc) const { - desc->format = format_; - desc->size.width = width_; - desc->size.height = height_; - desc->stride = width_ * 4; -} - -void* ImageData::Map() { - if (!mapped_canvas_.get()) { - mapped_canvas_.reset(platform_image_->Map()); - if (!mapped_canvas_.get()) - return NULL; - } - const SkBitmap& bitmap = - mapped_canvas_->getTopPlatformDevice().accessBitmap(true); - - // Our platform bitmaps are set to opaque by default, which we don't want. - const_cast<SkBitmap&>(bitmap).setIsOpaque(false); - - bitmap.lockPixels(); - return bitmap.getAddr32(0, 0); -} - -void ImageData::Unmap() { - // This is currently unimplemented, which is OK. The data will just always - // be around once it's mapped. Chrome's TransportDIB isn't currently - // unmappable without freeing it, but this may be something we want to support - // in the future to save some memory. -} - -uint64 ImageData::GetNativeMemoryHandle(uint32* byte_count) const { - return platform_image_->GetSharedMemoryHandle(byte_count); -} - -const SkBitmap* ImageData::GetMappedBitmap() const { - if (!mapped_canvas_.get()) - return NULL; - return &mapped_canvas_->getTopPlatformDevice().accessBitmap(false); -} - -void ImageData::Swap(ImageData* other) { - swap(other->platform_image_, platform_image_); - swap(other->mapped_canvas_, mapped_canvas_); - std::swap(other->format_, format_); - std::swap(other->width_, width_); - std::swap(other->height_, height_); -} - -} // namespace pepper |