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1 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
2 | // |
3 | // The content of this file is subject to the Open CASCADE Technology Public |
4 | // License Version 6.5 (the "License"). You may not use the content of this file |
5 | // except in compliance with the License. Please obtain a copy of the License |
6 | // at http://www.opencascade.org and read it completely before using this file. |
7 | // |
8 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
9 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
10 | // |
11 | // The Original Code and all software distributed under the License is |
12 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
13 | // Initial Developer hereby disclaims all such warranties, including without |
14 | // limitation, any warranties of merchantability, fitness for a particular |
15 | // purpose or non-infringement. Please see the License for the specific terms |
16 | // and conditions governing the rights and limitations under the License. |
17 | |
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18 | |
19 | #include <Xw_Extension.h> |
20 | |
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21 | /* ifdef then trace on */ |
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22 | #ifdef TRACE |
23 | #define TRACE_GET_BACKGROUND_PIXEL |
24 | #endif |
25 | |
26 | /* |
27 | STATUS Xw_get_background_pixel(awindow,pixel): |
28 | XW_EXT_WINDOW *awindow Window extension structure |
29 | unsigned long *pixel ; Return Color pixel depending of Visual Class |
30 | |
31 | Returns ERROR if Window or background pixel is not defined properly |
32 | Returns SUCCESS if Successful |
33 | |
34 | */ |
35 | |
36 | #ifdef XW_PROTOTYPE |
37 | XW_STATUS Xw_get_background_pixel(void* awindow, unsigned long* pixel) |
38 | #else |
39 | XW_STATUS Xw_get_background_pixel(awindow,pixel) |
40 | void *awindow ; |
41 | unsigned long *pixel ; |
42 | #endif /*XW_PROTOTYPE*/ |
43 | { |
44 | XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow ; |
45 | XW_STATUS status = XW_SUCCESS ; |
46 | |
47 | *pixel = 0; |
48 | |
49 | if( !pwindow ) { |
50 | /*ERROR*Bad EXT_WINDOW Address*/ |
51 | Xw_set_error( 24,"Xw_get_background_pixel",pwindow ) ; |
52 | return( XW_ERROR ) ; |
53 | } |
54 | if( pwindow->backindex < 0 ) { |
55 | *pixel = _COLORMAP->backpixel; |
56 | } else if( Xw_isdefine_color(_COLORMAP,pwindow->backindex) ) { |
57 | *pixel = _COLORMAP->pixels[pwindow->backindex]; |
58 | } else { |
59 | status = XW_ERROR; |
60 | } |
61 | |
62 | #ifdef TRACE_GET_BACKGROUND_PIXEL |
63 | if( Xw_get_trace() > 3 ) { |
64 | printf(" %d = Xw_get_background_pixel(%lx,%lx)\n", |
65 | status,(long ) pwindow,*pixel) ; |
66 | } |
67 | #endif |
68 | |
69 | return( status ) ; |
70 | } |