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authorMichele Calgaro <michele.calgaro@yahoo.it>2024-06-25 12:25:06 +0900
committerMichele Calgaro <michele.calgaro@yahoo.it>2024-06-25 12:25:06 +0900
commita09a6bc05e3f64c27e7c84dd768c7720fdf41136 (patch)
treefe5a644a42056c012132e5bbc57f3ce1ba40d5c2 /tools/tqvfb/README
parentbba3e1fa3870a23f1cf0b5d1143ffd646ac797a4 (diff)
downloadtqt3-a09a6bc05e3f64c27e7c84dd768c7720fdf41136.tar.gz
tqt3-a09a6bc05e3f64c27e7c84dd768c7720fdf41136.zip
Remove documentation for QWS classes and Qt/Embedded
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
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-Qt/Embedded Virtual Framebuffer
-===============================
-
-Please note that the tqvfb program needs to be compiled with the X11 version
-of Qt.
-
-The virtual frame buffer allows a Qt/Embedded program to be developed on your
-desktop machine, without switching between consoles and X11. The virtual
-framebuffer consists of a shared memory region (the virtual frame buffer)
-and a utility to display the framebuffer in a window. The display is updated
-periodically, so you will see discrete snapshots of the framebuffer rather
-than each individual drawing operation. For this reason drawing problems
-such as flickering may not be apparent until the program is run using a real
-framebuffer.
-
-To use the virtual framebuffer:
-
-1. Ensure TQT_NO_QWS_VFB is not set in ntqconfig.h (when you configure Qt,
- add the -tqvfb option).
-2. Start tqvfb (tqvfb should be compiled as a normal Qt/X11 application,
- NOT as a Qt/Embedded application!).
-3. Start a Qt/Embedded server (i.e. construct QApplication with
- QApplication::GuiServer flag, or run a client with the -qws option).
-
-tqvfb supports the following command line options:
-
-[-width width] the width of the virtual framebuffer (default: 240).
-[-height height] the height of the virtual framebuffer (default: 320).
-[-depth depth] the depth of the virtual framebuffer (1,4,8 or 32, default: 8).
-[-nocursor] do not display the X11 cursor in the framebuffer window.
-[-qwsdisplay] the Qt/Embedded display ID, e.g. -qwsdisplay :1 (default :0).
-[-skin skinfile] tells tqvfb to load a skin file, e.g. -skin pda.skin
-
-Please refer to the file "pda.skin" for an example of what a skin file looks like.
-The format for skin files is:
- Image filename of skin with buttons in their up positions
- Image filename of skin with buttons in their down positions
- X offset of top left corner of the virtual screen on the skin image
- Y offset of top left corner of the virtual screen on the skin image
- Width of the virtual screen on the skin image
- Height of the virtual screen on the skin image
- Transparancy level of the Virtual Frame Buffer
- Number of defined button regions
-Then for each button region the format is:
- Button identifier
- TQt scan codes to generate for the button
- Top left X coordinate of the button region
- Top left Y coordinate of the button region
- Bottom right X coordinate of the button region
- Bottom right Y coordinate of the button region
-
-The virtual framebuffer is a development tool only. No security issues have
-been considered in the virtual framebuffer design. It should not be used
-in a production environment and TQT_NO_QWS_VFB should always be in force
-in production libraries.