Class that holds preview image properties and data buffer. More...
#include <preview.hpp>
Public Member Functions | |
Constructors | |
| PreviewImage (const PreviewImage &rhs) | |
| Copy constructor. | |
| ~PreviewImage () | |
| Destructor. | |
Manipulators | |
| PreviewImage & | operator= (const PreviewImage &rhs) |
| Assignment operator. | |
Friends | |
| class | PreviewManager |
Accessors | |
| DataBuf | copy () const |
| Return a copy of the preview image data. The caller owns this copy and DataBuf ensures that it will be deleted. | |
| const byte * | pData () const |
| Return a pointer to the image data for read-only access. | |
| uint32_t | size () const |
| Return the size of the preview image in bytes. | |
| long | writeFile (const std::string &path) const |
| Write the thumbnail image to a file. More... | |
| std::string | mimeType () const |
Return the MIME type of the preview image, usually either "image/tiff" or "image/jpeg". | |
| std::string | extension () const |
| Return the file extension for the format of the preview image (".tif" or ".jpg"). | |
| uint32_t | width () const |
| Return the width of the preview image in pixels. | |
| uint32_t | height () const |
| Return the height of the preview image in pixels. | |
| PreviewId | id () const |
| Return the preview image type identifier. | |
Class that holds preview image properties and data buffer.
| long Exiv2::PreviewImage::writeFile | ( | const std::string & | path | ) | const |
Write the thumbnail image to a file.
A filename extension is appended to path according to the image type of the preview image, so path should not include an extension. The function will overwrite an existing file of the same name.
| path | File name of the preview image without extension. |