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/ Developer CD Series 1996 October: Mac OS SDK / Dev.CD Oct 96 SDK / Dev.CD Oct 96 SDK2.toast / Development Kits (Disc 2) / OpenDoc Development Framework / ODFDev / ODF / OS / FWGraphx / Sources / PRGrUtil.cpp < prev    next >
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Text File  |  1996-08-16  |  4.1 KB  |  152 lines  |  [TEXT/MPS ]
  1. //========================================================================================
  2. //
  3. //    File:                PRGrUtil.cpp
  4. //    Release Version:    $ ODF 1 $
  5. //
  6. //    Copyright:    (c) 1993 - 1996 by Apple Computer, Inc., all rights reserved.
  7. //
  8. //========================================================================================
  9.  
  10. #include "FWOS.hpp"
  11.  
  12. #ifndef PRGRUTIL_H
  13. #include "PRGrUtil.h"
  14. #endif
  15.  
  16. #ifndef FWRECT_H
  17. #include "FWRect.h"
  18. #endif
  19.  
  20. #ifndef FWPOINT_H
  21. #include "FWPoint.h"
  22. #endif
  23.  
  24. #ifndef FWFXMATH_H
  25. #include "FWFxMath.h"
  26. #endif
  27.  
  28. #ifdef FW_BUILD_MAC
  29. #pragma segment FWGraphx_PrivateGrUtil
  30. #endif
  31.  
  32. #ifdef FW_BUILD_MAC
  33. //----------------------------------------------------------------------------------------
  34. //    FW_PrivMacGetPortTextStyle
  35. //----------------------------------------------------------------------------------------
  36.  
  37. void SL_API    FW_PrivMacGetPortTextStyle(TextStyle& theTextStyle)
  38. {
  39.     GrafPtr curPort = FW_QDGlobals.thePort;
  40.     theTextStyle.tsFont = curPort->txFont;
  41.     theTextStyle.tsFace = curPort->txFace;
  42.     theTextStyle.tsSize = curPort->txSize;
  43. }
  44. #endif
  45.  
  46. #ifdef FW_BUILD_MAC
  47. //----------------------------------------------------------------------------------------
  48. //    FW_PrivMacSetPortTextStyle
  49. //----------------------------------------------------------------------------------------
  50.  
  51. void SL_API    FW_PrivMacSetPortTextStyle(const TextStyle& theTextStyle)
  52. {
  53.     ::TextFont(theTextStyle.tsFont);
  54.     ::TextFace(theTextStyle.tsFace);
  55.     ::TextSize(theTextStyle.tsSize);
  56. } 
  57. #endif
  58.  
  59. #ifdef FW_BUILD_WIN
  60.  
  61. //----------------------------------------------------------------------------------------
  62. // FW_WinPrivGetDisplayColorInfo
  63. //----------------------------------------------------------------------------------------
  64.  
  65. void SL_API    FW_PrivWinGetDisplayColorInfo(short& planeCount, short& bitsPixel)
  66. {
  67.     static short gPlaneCount = -1;
  68.     static short gBitsPixel = -1;
  69.     
  70.     if(gPlaneCount == -1)
  71.     {
  72.         HDC hDC = ::GetDC(NULL);
  73.         gPlaneCount = (short) ::GetDeviceCaps(hDC, PLANES);
  74.         gBitsPixel = (short) ::GetDeviceCaps(hDC, BITSPIXEL);
  75.         ::ReleaseDC(NULL, hDC);
  76.     }
  77.     
  78.     planeCount = gPlaneCount;
  79.     bitsPixel = gBitsPixel;
  80. }
  81.  
  82. #endif
  83.  
  84. //----------------------------------------------------------------------------------------
  85. //    FW_PrivCalcArcPoints
  86. //----------------------------------------------------------------------------------------
  87. //    [KVV] Need to be changed. Could do better than that.
  88.  
  89. void SL_API    FW_PrivCalcArcPoints(const FW_CPlatformRect& rect, 
  90.                              short angle,
  91.                              FW_CPlatformPoint& arcPoint)
  92. {
  93.     if (angle >= 360)
  94.         angle = angle % 360;
  95.     else if(angle < 0)
  96.         angle = (angle % 360) + 360;
  97.         
  98.     FW_PlatformCoordinate middleX    = (rect.right + rect.left) / 2;
  99.     FW_PlatformCoordinate middleY    = (rect.right + rect.left) / 2;
  100.     const FW_Fixed halfX           = FW_IntToFixed((rect.right - rect.left) / 2);
  101.     const FW_Fixed halfY           = FW_IntToFixed((rect.bottom - rect.top) / 2);
  102.     
  103.     switch (angle)
  104.     {
  105.         case 0:
  106.             arcPoint.Set(middleX, rect.top);
  107.             break;
  108.         case 45:
  109.             arcPoint.Set(rect.right, rect.top);
  110.             break;
  111.         case 90:
  112.             arcPoint.Set(rect.right, middleY);
  113.             break;
  114.         case 135:
  115.             arcPoint.Set(rect.right, rect.bottom);
  116.             break;
  117.         case 180:
  118.             arcPoint.Set(middleX, rect.bottom);
  119.             break;
  120.         case 225:
  121.             arcPoint.Set(rect.left, rect.bottom);
  122.             break;
  123.         case 270:
  124.             arcPoint.Set(rect.left, middleY);
  125.             break;
  126.         case 315:
  127.             arcPoint.Set(rect.left, rect.top);
  128.             break;
  129.  
  130.         default:
  131.             FW_Fixed fxRad = (FW_IntToFixed(90 - angle) * FW_kFixedPI) / FW_IntToFixed(180);
  132.             if (angle < 45)
  133.                 arcPoint.Set(FW_FixedToInt(halfX * FW_Cos(fxRad)) + middleX, rect.top);
  134.             else if (angle > 45 && angle < 135)
  135.                 arcPoint.Set(rect.right, FW_FixedToInt(halfY * FW_Sin(fxRad)) + middleY);
  136.             else if (angle < 180)
  137.                 arcPoint.Set(FW_FixedToInt(halfX * FW_Cos(fxRad)) + middleX, rect.bottom);
  138.             else
  139.             {
  140.                 fxRad = (FW_IntToFixed(angle - 270) * FW_kFixedPI) / FW_IntToFixed(180);
  141.                 if (angle < 45)
  142.                     arcPoint.Set(middleX - FW_FixedToInt(halfX * FW_Cos(fxRad)), rect.top);
  143.                 else if (angle > 45 && angle < 135)
  144.                     arcPoint.Set(rect.right, middleY - FW_FixedToInt(halfY * FW_Sin(fxRad)));
  145.                 else if (angle < 180)
  146.                     arcPoint.Set(middleX - FW_FixedToInt(halfX * FW_Cos(fxRad)), rect.bottom);
  147.             }
  148.             break;
  149.     }
  150. }
  151.  
  152.