Aspose::Words::Loading::ResourceType enum
Contents
[
Hide
]ResourceType enum
Type of loaded resource.
enum class ResourceType
Values
Name | Value | Description |
---|---|---|
Image | 0 | Image. |
Font | 1 | |
CssStyleSheet | 2 | Css style sheet. |
Document | 3 | Document. |
Examples
Shows how to customize the process of loading external resources into a document.
void ResourceLoadingCallback()
{
auto doc = MakeObject<Document>();
doc->set_ResourceLoadingCallback(MakeObject<ExDocumentBase::ImageNameHandler>());
auto builder = MakeObject<DocumentBuilder>(doc);
// Images usually are inserted using a URI, or a byte array.
// Every instance of a resource load will call our callback's ResourceLoading method.
builder->InsertImage(u"Google logo");
builder->InsertImage(u"Aspose logo");
builder->InsertImage(u"Watermark");
ASSERT_EQ(3, doc->GetChildNodes(NodeType::Shape, true)->get_Count());
doc->Save(ArtifactsDir + u"DocumentBase.ResourceLoadingCallback.docx");
}
class ImageNameHandler : public IResourceLoadingCallback
{
public:
ResourceLoadingAction ResourceLoading(SharedPtr<ResourceLoadingArgs> args) override
{
// If this callback encounters one of the image shorthands while loading an image,
// it will apply unique logic for each defined shorthand instead of treating it as a URI.
if (args->get_ResourceType() == ResourceType::Image)
{
String imageUri = args->get_OriginalUri();
if (imageUri == u"Google logo")
{
{
auto webClient = MakeObject<System::Net::WebClient>();
args->SetData(webClient->DownloadData(u"http://www.google.com/images/logos/ps_logo2.png"));
}
return ResourceLoadingAction::UserProvided;
}
else if (imageUri == u"Aspose logo")
{
args->SetData(System::IO::File::ReadAllBytes(ImageDir + u"Logo.jpg"));
return ResourceLoadingAction::UserProvided;
}
else if (imageUri == u"Watermark")
{
args->SetData(System::IO::File::ReadAllBytes(ImageDir + u"Transparent background logo.png"));
return ResourceLoadingAction::UserProvided;
}
}
return ResourceLoadingAction::Default;
}
};
See Also
- Namespace Aspose::Words::Loading
- Library Aspose.Words for C++