| 7fd59977 |
1 | |
| 2 | #include <Xw_Extension.h> |
| 3 | |
| 4 | /* ifdef then trace on */ |
| 5 | #ifdef TRACE |
| 6 | #define TRACE_GET_HIGHLIGHT_COLOR |
| 7 | #define TRACE_GET_HIGHLIGHT_PIXEL |
| 8 | #endif |
| 9 | |
| 10 | /* |
| 11 | XW_STATUS Xw_get_highlight_color(acolormap,r,g,b): |
| 12 | XW_EXT_COLORMAP *acolormap Colormap extension structure |
| 13 | float *r,*g,*b ; Returns Red,Green,Blue color value 0. >= x <= 1. |
| 14 | |
| 15 | Get R,G,B Highlight Color values from Default index . |
| 16 | |
| 17 | Returns ERROR if Extended Colormap Address is badly defined |
| 18 | Returns SUCCESS if Successful |
| 19 | |
| 20 | XW_STATUS Xw_get_highlight_pixel(acolormap,pixel): |
| 21 | XW_EXT_COLORMAP *acolormap Colormap extension structure |
| 22 | unsigned long *pixel; Returns HighLight pixel |
| 23 | |
| 24 | */ |
| 25 | |
| 26 | #ifdef XW_PROTOTYPE |
| 27 | XW_STATUS Xw_get_highlight_color (void* acolormap, |
| 28 | float* r,float* g,float* b) |
| 29 | #else |
| 30 | XW_STATUS Xw_get_highlight_color (acolormap,r,g,b) |
| 31 | void *acolormap; |
| 32 | float *r,*g,*b ; |
| 33 | #endif /*XW_PROTOTYPE*/ |
| 34 | { |
| 35 | XW_EXT_COLORMAP *pcolormap = (XW_EXT_COLORMAP*)acolormap; |
| 36 | XColor color ; |
| 37 | |
| 38 | if ( !Xw_isdefine_colormap(pcolormap) ) { |
| 39 | /*ERROR*Bad EXTENDED Colormap ADDRESS*/ |
| 40 | Xw_set_error(42,"Xw_get_highlight_color",pcolormap) ; |
| 41 | return (XW_ERROR) ; |
| 42 | } |
| 43 | |
| 44 | switch ( _CCLASS ) { |
| 45 | |
| 46 | case PseudoColor : |
| 47 | case StaticColor : |
| 48 | color.pixel = pcolormap->highpixel ; |
| 49 | XQueryColor(_CDISPLAY,_CINFO.colormap,&color) ; |
| 50 | *r = (float)color.red/0xFFFF ; |
| 51 | *g = (float)color.green/0xFFFF ; |
| 52 | *b = (float)color.blue/0xFFFF ; |
| 53 | break ; |
| 54 | |
| 55 | case TrueColor : |
| 56 | { unsigned long mask = _CVISUAL->map_entries-1 ; |
| 57 | unsigned long red,green,blue ; |
| 58 | unsigned long rmask = _CVISUAL->red_mask ; |
| 59 | unsigned long gmask = _CVISUAL->green_mask ; |
| 60 | unsigned long bmask = _CVISUAL->blue_mask ; |
| 61 | |
| 62 | color.pixel = pcolormap->highpixel ; |
| 63 | red = color.pixel & rmask ; |
| 64 | while ( !(rmask & 0x01) ) { rmask >>= 1; red >>= 1; } |
| 65 | |
| 66 | green = color.pixel & gmask ; |
| 67 | while ( !(gmask & 0x01) ) { gmask >>= 1; green >>= 1; } |
| 68 | |
| 69 | blue = color.pixel & bmask ; |
| 70 | while ( !(bmask & 0x01) ) { bmask >>= 1; blue >>= 1; } |
| 71 | |
| 72 | *r = (float)red/mask ; |
| 73 | *g = (float)green/mask ; |
| 74 | *b = (float)blue/mask ; |
| 75 | } |
| 76 | break ; |
| 77 | |
| 78 | default : |
| 79 | /*Unmatchable Visual class*/ |
| 80 | Xw_set_error(67,"Xw_get_highlight_color",&_CCLASS) ; |
| 81 | return (XW_ERROR) ; |
| 82 | } |
| 83 | |
| 84 | |
| 85 | |
| 86 | #ifdef TRACE_GET_HIGHLIGHT_COLOR |
| 87 | if( Xw_get_trace() > 1 ) { |
| 88 | printf(" Xw_get_highlight_color(%lx,%f,%f,%f)\n",(long ) pcolormap,*r,*g,*b) ; |
| 89 | } |
| 90 | #endif |
| 91 | |
| 92 | return (XW_SUCCESS); |
| 93 | } |
| 94 | |
| 95 | #ifdef XW_PROTOTYPE |
| 96 | XW_STATUS Xw_get_highlight_pixel (void* acolormap,unsigned long *pixel) |
| 97 | #else |
| 98 | XW_STATUS Xw_get_highlight_pixel (acolormap,pixel) |
| 99 | void *acolormap; |
| 100 | unsigned long *pixel; |
| 101 | #endif /*XW_PROTOTYPE*/ |
| 102 | { |
| 103 | XW_EXT_COLORMAP *pcolormap = (XW_EXT_COLORMAP*)acolormap; |
| 104 | //XColor color ; |
| 105 | |
| 106 | if ( !Xw_isdefine_colormap(pcolormap) ) { |
| 107 | /*ERROR*Bad EXTENDED Colormap ADDRESS*/ |
| 108 | Xw_set_error(42,"Xw_get_highlight_pixel",pcolormap) ; |
| 109 | return (XW_ERROR) ; |
| 110 | } |
| 111 | |
| 112 | *pixel = pcolormap->highpixel ; |
| 113 | |
| 114 | #ifdef TRACE_GET_HIGHLIGHT_PIXEL |
| 115 | if( Xw_get_trace() > 1 ) { |
| 116 | printf(" Xw_get_highlight_pixel(%lx,%lx)\n",(long ) pcolormap,*pixel) ; |
| 117 | } |
| 118 | #endif |
| 119 | |
| 120 | return (XW_SUCCESS); |
| 121 | } |
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