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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@83 7f0cb862-5218-0410-a997-914c9d46530a
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brianp 2003-06-19 15:35:51 +00:00
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freeglut/freeglut/doc/freeglut_user_interface.html
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@ -1063,6 +1063,67 @@ is not implemented in <i>freeglut</i>. </p>
<h2> 13.2&nbsp; glutGet</h2> <h2> 13.2&nbsp; glutGet</h2>
<p>
The following state variables may be queried with glutGet.
The returned value is an integer.
</p>
<p>
These queries are with respect to the current window:
</p>
<ul>
<li>GLUT_WINDOW_X - window X position
<li>GLUT_WINDOW_Y - window Y position
<li>GLUT_WINDOW_WIDTH - window width
<li>GLUT_WINDOW_HEIGHT - window height
<li>GLUT_WINDOW_BUFFER_SIZE - number of color or color index bits per pixel
<li>GLUT_WINDOW_STENCIL_SIZE - number of bits per stencil value
<li>GLUT_WINDOW_DEPTH_SIZE - number of bits per depth value
<li>GLUT_WINDOW_RED_SIZE - number of bits per red value
<li>GLUT_WINDOW_GREEN_SIZE - number of bits per green value
<li>GLUT_WINDOW_BLUE_SIZE - number of bits per blue value
<li>GLUT_WINDOW_ALPHA_SIZE - number of bits per alpha value
<li>GLUT_WINDOW_ACCUM_RED_SIZE - number of red bits in the accumulation buffer
<li>GLUT_WINDOW_ACCUM_GREEN_SIZE - number of green bits in the accumulation buffer
<li>GLUT_WINDOW_ACCUM_BLUE_SIZE - number of blue bits in the accumulation buffer
<li>GLUT_WINDOW_ACCUM_ALPHA_SIZE - number of alpha bits in the accumulation buffer
<li>GLUT_WINDOW_DOUBLEBUFFER - 1 if the color buffer is double buffered, 0 otherwise
<li>GLUT_WINDOW_RGBA - 1 if the color buffers are RGB[A], 0 for color index
<li>GLUT_WINDOW_PARENT - parent window ID
<li>GLUT_WINDOW_NUM_CHILDREN - number of child windows
<li>GLUT_WINDOW_COLORMAP_SIZE - number of entries in the window's colormap
<li>GLUT_WINDOW_NUM_SAMPLES - number of samples per pixel if using multisampling
<li>GLUT_WINDOW_STEREO - 1 if the window supports stereo, 0 otherwise
<li>GLUT_WINDOW_CURSOR - current cursor
<li>GLUT_WINDOW_FORMAT_ID - on Windows, return the pixel format number of the current window
</ul>
<p>
These queries do not depend on the current window.
</p>
<ul>
<li>GLUT_SCREEN_WIDTH - width of the screen in pixels
<li>GLUT_SCREEN_HEIGHT - height of the screen in pixels
<li>GLUT_SCREEN_WIDTH_MM - width of the screen in millimeters
<li>GLUT_SCREEN_HEIGHT_MM - height of the screen in millimeters
<li>GLUT_MENU_NUM_ITEMS - number of items in the current menu
<li>GLUT_DISPLAY_MODE_POSSIBLE - return 1 if the current display mode is supported, 0 otherwise
<li>GLUT_INIT_WINDOW_X - X position last set by glutInitWindowPosition
<li>GLUT_INIT_WINDOW_Y - Y position last set by glutInitWindowPosition
<li>GLUT_INIT_WINDOW_WIDTH - width last set by glutInitWindowSize
<li>GLUT_INIT_WINDOW_HEIGHT - height last set by glutInitWindowSize
<li>GLUT_INIT_DISPLAY_MODE - display mode last set by glutInitDisplayMode
<li>GLUT_ELAPSED_TIME - time (in milliseconds) elapsed since glutInit or glutGet(GLUT_ELAPSED_TIME) was first called
<li>GLUT_INIT_STATE - ?
<li>GLUT_VERSION - Return value will be X*10000+Y*100+Z where X is the
major version, Y is the minor version and Z is the patch level.
This query is only supported in FreeGLUT (version 1.3 or later).
</ul>
<h2> 13.3&nbsp; glutDeviceGet</h2> <h2> 13.3&nbsp; glutDeviceGet</h2>
<h2> 13.4&nbsp; glutGetModifiers</h2> <h2> 13.4&nbsp; glutGetModifiers</h2>
@ -1809,6 +1870,54 @@ goes in the upper left-hand corner of the <i>freeglut</i><i> </i>windows </li>
<h1> 23.0&nbsp;<a name="Freeglut.h_Header"></a> <h1> 23.0&nbsp;<a name="Freeglut.h_Header"></a>
"freeglut.h" Header File</h1> "freeglut.h" Header File</h1>
<p>
FreeGLUT users should normally just include GL/glut.h in their programs.
Programs which need FreeGLUT-specific functions should also include
GL/freeglut_ext.h as follows:
</p>
<pre>
#include &lt;GL/glut.h&gt;
#ifdef FREEGLUT
#include &lt;GL/freeglut_ext.h&gt;
#endif
</pre>
<p>
Compile-time FreeGLUT version testing can be done as follows:
</p>
<pre>
#ifdef FREEGLUT_VERSION_1_4
code specific to FreeGLUT 1.4 or later here
#endif
</pre>
<p>
In future releases, FREEGLUT_VERSION_1_5, FREEGLUT_VERSION_1_6, etc will
be defined. This scheme mimics OpenGL conventions.
</p>
<p>
The FreeGLUT version can be queried at runtime by calling
glutGet(GLUT_VERSION).
The result will be X*10000+Y*100+Z where X is the major version, Y is the
minor version and Z is the patch level.
</p>
<p>
This may be used as follows:
</p>
<pre>
if (glutGet(GLUT_VERSION) < 10300) {
printf("Sorry, you need FreeGLUT version 1.3.0 or later to run this program.\n");
exit(1);
}
</pre>
<h1> 24.0&nbsp;<a name="References"></a> <h1> 24.0&nbsp;<a name="References"></a>
References</h1> References</h1>