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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_SET_BACKGROUND_INDEX |
24 | #endif |
25 | |
26 | /* |
27 | XW_STATUS Xw_set_background_index(awindow,index): |
28 | XW_EXT_WINDOW *awindow |
29 | int index Background Index in the colormap |
30 | |
31 | Update Background Color index . |
32 | |
33 | Returns XW_ERROR if Extended Window or Colormap is wrong |
34 | or Index is not defined . |
35 | Returns XW_SUCCESS if Successful |
36 | |
37 | */ |
38 | |
39 | #ifdef XW_PROTOTYPE |
40 | XW_STATUS Xw_set_background_index (void *awindow,int index) |
41 | #else |
42 | XW_STATUS Xw_set_background_index (awindow,index) |
43 | void *awindow; |
44 | int index ; |
45 | #endif /*XW_PROTOTYPE*/ |
46 | { |
47 | XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow ; |
48 | unsigned long backpixel,highpixel ; |
49 | int i ; |
50 | |
51 | if ( !Xw_isdefine_window(pwindow) ) { |
52 | /*ERROR*Bad EXT_WINDOW Address*/ |
53 | Xw_set_error(24,"Xw_set_background_index",pwindow) ; |
54 | return (XW_ERROR) ; |
55 | } |
56 | |
57 | if( index >= 0 ) { |
58 | if ( !Xw_isdefine_colorindex(_COLORMAP,index) ) { |
59 | /*ERROR*Bad Defined Color Index*/ |
60 | Xw_set_error(41,"Xw_set_background_index",&index) ; |
61 | return (XW_ERROR) ; |
62 | } |
63 | backpixel = _COLORMAP->pixels[index] ; |
64 | _COLORMAP->define[index] = BACKCOLOR ; |
65 | } else { |
66 | backpixel = _COLORMAP->backpixel ; |
67 | } |
68 | highpixel = _COLORMAP->highpixel ; |
69 | XSetForeground(_DISPLAY, pwindow->qgwind.gccopy, highpixel) ; |
70 | highpixel ^= backpixel ; |
71 | |
72 | XSetWindowBackground (_DISPLAY, _WINDOW, backpixel) ; |
73 | XSetBackground(_DISPLAY, pwindow->qgwind.gc, backpixel) ; |
74 | XSetBackground(_DISPLAY, pwindow->qgwind.gccopy, backpixel) ; |
75 | XSetBackground(_DISPLAY, pwindow->qgwind.gcclear, backpixel) ; |
76 | XSetBackground(_DISPLAY, pwindow->qgwind.gchigh, backpixel) ; |
77 | XSetForeground(_DISPLAY, pwindow->qgwind.gcclear, backpixel) ; |
78 | XSetForeground(_DISPLAY, pwindow->qgwind.gchigh, highpixel) ; |
79 | for( i=0 ; i<MAXQG ; i++ ) { |
80 | XSetBackground(_DISPLAY, pwindow->qgline[i].gc, backpixel); |
81 | XSetBackground(_DISPLAY, pwindow->qgpoly[i].gc, backpixel); |
82 | XSetBackground(_DISPLAY, pwindow->qgtext[i].gc, backpixel); |
83 | XSetBackground(_DISPLAY, pwindow->qgmark[i].gc, backpixel); |
84 | } |
85 | pwindow->backindex = index ; |
86 | |
87 | #ifdef TRACE_SET_BACKGROUND_INDEX |
88 | if( Xw_get_trace() ) { |
89 | printf(" Xw_set_background_index(%lx,%d)\n",(long ) pwindow,index) ; |
90 | } |
91 | #endif |
92 | return (XW_SUCCESS); |
93 | } |