分类： LINUX
2008-07-17 14:16:35
需要注意的是这样的修改只有Qt/Embedded平台能支持，因为嵌入式环境中，减小qt库的大小很重要，并且应用配置常常是固定的。
config.h文件定义的是需要去除的特征。有些特征依赖于其他的特征，这些依赖关系在qfeatures.h可以看到。
可选项如下:
| Macro | Disables | Set automatically by |
|---|---|---|
| Images (QImageIO) | ||
| QT_NO_IMAGEIO_BMP | The Microsoft Bitmap image file format. | |
| QT_NO_IMAGEIO_PPM | The Portable Pixmap image file format. | |
| QT_NO_IMAGEIO_XBM | The X11 Bitmap image file format. | |
| QT_NO_IMAGEIO_XPM | The X11 Pixmap image file format. | |
| QT_NO_IMAGEIO_PNG | The Portable Network Graphics image file format. | |
| Animation | ||
| QT_NO_ASYNC_IO | Asynchronous I/O () | |
| QT_NO_ASYNC_IMAGE_IO | Asynchronous Image I/O and GIF image support (QImageDecoder, ...) | |
| QT_NO_MOVIE | Animation support () | QT_NO_ASYNC_IO, QT_NO_ASYNC_IMAGE_IO |
| Fonts | ||
| QT_NO_TRUETYPE | TrueType (TTF and TTC) font file format, only used by Qt/Embedded. | |
| QT_NO_BDF | Bitmap Distribution Format (BDF) font file format, only used by Qt/Embedded. | |
| QT_NO_FONTDATABASE | Font database. | |
| QT_NO_I18N | Conversions between Unicode and 8-bit encodings. | |
| QT_NO_UNICODETABLES | Large tables defining such things as upper and lowercase conversions for all Unicode characters. | |
| MIME | ||
| QT_NO_MIME | Multipurpose Internet Mail Extensions, an internet standard for encoding and tagging typed data (eg. text, images, colors) () | |
| QT_NO_RICHTEXT | HTML-like text (, ) | QT_NO_MIME |
| QT_NO_DRAGANDDROP | Drag-and-drop data between applications () | QT_NO_MIME |
| QT_NO_CLIPBOARD | Cut-and-paste data between applications () | QT_NO_MIME |
| Sound | ||
| QT_NO_SOUND | Playing audio files () | |
| Scipting | ||
| QT_NO_PROPERTIES | Scripting of Qt-based applications. | |
| Qt/Embedded-specific | ||
| QT_NO_QWS_CURSOR | The cursor sprite on Qt/Embedded. Pen-operated devices would not normally need this feature. | |
| QT_NO_QWS_DEPTH_8GRAYSCALE | 8 bits per pixel: 256 levels of gray. Incompatible with QWS_DEPTH_8. | |
| QT_NO_QWS_DEPTH_8 | 8 bits per pixel: 216-color cube with 40 auxiliary colors. Incompatible with QWS_DEPTH_8GRAYSCALE. | |
| QT_NO_QWS_DEPTH_15 | 15 bits per pixel: 32 levels for each of red, green and blue. | |
| QT_NO_QWS_DEPTH_16 | 16 bits per pixel: 64 levels of green, 32 levels for red and for blue. | |
| QT_NO_QWS_DEPTH_32 | 32 bits per pixel: 256 levels for each of red, green and blue. | |
| QT_NO_QWS_MACH64 | Mach64 accelerated driver (demonstration only). | |
| QT_NO_QWS_VFB | Virtual framebuffer running on X11 (see reference documentation). | |
| Networking | ||
| QT_NO_NETWORKPROTOCOL | Abstract multi-protocol data retrieval, with local file retrieval included () | |
| QT_NO_NETWORKPROTOCOL_FTP | FTP-protocol data retrieval. | QT_NO_NETWORKPROTOCOL |
| QT_NO_NETWORKPROTOCOL_HTTP | HTTP-protocol data retrieval. | QT_NO_NETWORKPROTOCOL |
| Painting/drawing | ||
| QT_NO_COLORNAMES | Color names such as "red", used by some constructors and by some HTML documents (, ) | |
| QT_NO_TRANSFORMATIONS | Used by a number of classes in Qt. With this, rotation and scaling are possible. Without it, only co-ordinate translation () | |
| QT_NO_PSPRINTER | PostScript printer support. | |
| QT_NO_PRINTER | Printer support () | QT_NO_PSPRINTER (Unix only) |
| QT_NO_PICTURE | Save Qt drawing commands to a files () | |
| Widgets | ||
| QT_NO_WIDGETS | Disabling this disables all widgets except . | |
| QT_NO_TEXTVIEW | HTML document viewing () | QT_NO_WIDGETS, QT_NO_RICHTEXT |
| QT_NO_TEXTBROWSER | HTML document browsing () | QT_NO_TEXTVIEW |
| QT_NO_ICONVIEW | Labelled icons () | QT_NO_WIDGETS, QT_NO_DRAGANDDROP |
| QT_NO_LISTVIEW | Lists of information () | QT_NO_WIDGETS |
| QT_NO_CANVAS | Object canvas () | QT_NO_WIDGETS |
| QT_NO_DIAL | Value control () | QT_NO_WIDGETS |
| QT_NO_WORKSPACE | Multi-document interface () | QT_NO_WIDGETS |
| QT_NO_LCDNUMBER | LCD-like number display () | QT_NO_WIDGETS |
| GUI Styles | ||
| QT_NO_STYLE_WINDOWS | Microsoft Windows style () | QT_NO_WIDGETS |
| QT_NO_STYLE_MOTIF | OSF Motif style () | QT_NO_WIDGETS |
| QT_NO_STYLE_CDE | Open Group CDE style () | QT_NO_STYLE_MOTIF |
| QT_NO_STYLE_AQUA | MacOS X style (QAquaStyle) | |
| QT_NO_STYLE_PLATINUM | MacOS 9 style () | QT_NO_WIDGETS |
| QT_NO_STYLE_SGI | SGI style () | QT_NO_STYLE_MOTIF |
| Dialogs | ||
| QT_NO_DIALOGS | Disabling this disables all common dialogs . | QT_NO_WIDGETS |
| QT_NO_FILEDIALOG | The file selection dialog () | QT_NO_DIALOGS, QT_NO_NETWORKPROTOCOL, QT_NO_LISTVIEW |
| QT_NO_FONTDIALOG | The font selection dialog () | QT_NO_DIALOGS, QT_NO_FONTDATABASE |
| QT_NO_COLORDIALOG | The color selection dialog () | QT_NO_DIALOGS |
| QT_NO_INPUTDIALOG | Text input dialog () | QT_NO_DIALOGS |
| QT_NO_MESSAGEBOX | Message/prompting dialog () | QT_NO_DIALOGS |
| QT_NO_PROGRESSDIALOG | Long-computation progress dialog () | QT_NO_DIALOGS |
| QT_NO_TABDIALOG | Tabbed-pages dialog () | QT_NO_DIALOGS |
| QT_NO_WIZARD | Multi-step dialog () | QT_NO_DIALOGS |
