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Text File  |  1996-09-17  |  10.4 KB  |  321 lines  |  [TEXT/MPS ]
  1. //========================================================================================
  2. //
  3. //    File:                FWGC.cpp
  4. //    Release Version:    $ ODF 2 $
  5. //
  6. //    Copyright:    (c) 1993 - 1996 by Apple Computer, Inc., all rights reserved.
  7. //
  8. //========================================================================================
  9.  
  10. #include "FWOS.hpp"
  11.  
  12. #ifndef FWGC_H
  13. #include "FWGC.h"
  14. #endif
  15.  
  16. #ifndef FWGRUTIL_H
  17. #include "FWGrUtil.h"
  18. #endif
  19.  
  20. #ifndef SLGRGLOB_H
  21. #include "SLGrGlob.h"
  22. #endif
  23.  
  24. #ifndef FWFXMATH_H
  25. #include "FWFxMath.h"
  26. #endif
  27.  
  28. #ifndef SLREGION_H
  29. #include "SLRegion.h"
  30. #endif
  31.  
  32. #ifndef FWMAPING_H
  33. #include "FWMaping.h"
  34. #endif
  35.  
  36. #ifndef FWODGEOM_H
  37. #include "FWODGeom.h"
  38. #endif
  39.  
  40. #ifndef FWPRIDEB_H
  41. #include "FWPriDeb.h"
  42. #endif
  43.  
  44. // ----- OpenDoc Includes -----
  45.  
  46. #ifndef SOM_ODTransform_xh
  47. #include <Trnsform.xh>
  48. #endif
  49.  
  50. #ifndef SOM_ODShape_xh
  51. #include <Shape.xh>
  52. #endif
  53.  
  54. #ifndef SOM_ODCanvas_xh
  55. #include <Canvas.xh>
  56. #endif
  57.  
  58. //========================================================================================
  59. //    RunTime Info
  60. //========================================================================================
  61.  
  62. #ifdef FW_BUILD_MAC
  63. #pragma segment FW_GRTransformContextSegment
  64. #endif
  65.  
  66. //========================================================================================
  67. //    class FW_CGraphicContext
  68. //========================================================================================
  69.  
  70. FW_DEFINE_AUTO(FW_CGraphicContext)
  71.  
  72. //----------------------------------------------------------------------------------------
  73. //    FW_CGraphicContext::FW_CGraphicContext
  74. //----------------------------------------------------------------------------------------
  75.  
  76. FW_CGraphicContext::FW_CGraphicContext(Environment* ev)
  77. {
  78.     FW_PrivGC_Clear(ev, *this);
  79.     FW_END_CONSTRUCTOR
  80. }
  81.  
  82. //----------------------------------------------------------------------------------------
  83. //    FW_CGraphicContext::InitGraphicContext
  84. //----------------------------------------------------------------------------------------
  85. //    clipShape is in content coordinate
  86.  
  87. FW_DECLARE_THROW_POINT (FW_CGraphicContext_InitGraphicContext);
  88.  
  89. void FW_CGraphicContext::InitGraphicContext(FW_HGDevice graphicDevice,
  90.                                             ODTransform* transform,
  91.                                             ODShape* clipShape)
  92. {
  93.     FW_PrivGC_Initialize(fEnvironment, *this, graphicDevice, transform, clipShape);
  94.     FW_FailOnEvError(fEnvironment);
  95. }
  96.  
  97. //----------------------------------------------------------------------------------------
  98. //    FW_CGraphicContext::PrivReset
  99. //----------------------------------------------------------------------------------------
  100. //    Used after AutoScroll
  101.  
  102. void FW_CGraphicContext::PrivReset(ODTransform* transform,
  103.                                 ODShape* clipShape)
  104. {
  105.     FW_PrivGC_ChangeClipAndTransform(fEnvironment, *this, transform, clipShape);
  106.     FW_FailOnEvError(fEnvironment);
  107. }
  108.  
  109. //----------------------------------------------------------------------------------------
  110. //    FW_CGraphicContext::TerminateGraphicContext
  111. //----------------------------------------------------------------------------------------
  112.  
  113. void FW_CGraphicContext::TerminateGraphicContext()
  114. {
  115.     FW_PrivGC_Terminate(fEnvironment, *this);
  116.     FW_FailOnEvError(fEnvironment);
  117. }
  118.  
  119. //----------------------------------------------------------------------------------------
  120. //    FW_CGraphicContext::~FW_CGraphicContext
  121. //----------------------------------------------------------------------------------------
  122.  
  123. FW_CGraphicContext::~FW_CGraphicContext()
  124. {
  125.     FW_START_DESTRUCTOR
  126.  
  127.     TerminateGraphicContext();
  128. }
  129.  
  130. //----------------------------------------------------------------------------------------
  131. //    FW_CGraphicContext::SetMapping
  132. //----------------------------------------------------------------------------------------
  133.  
  134. void FW_CGraphicContext::SetMapping(const FW_SMapping& newMapping)
  135. {
  136.     FW_PrivGC_SetMapping(fEnvironment, *this, newMapping);
  137.     FW_FailOnEvError(fEnvironment);
  138. }
  139.  
  140. //----------------------------------------------------------------------------------------
  141. //    FW_CGraphicContext::GetMapping
  142. //----------------------------------------------------------------------------------------
  143.  
  144. void FW_CGraphicContext::GetMapping(FW_CMapping& mapping) const
  145. {
  146.     mapping = fMapping;
  147. }
  148.  
  149. //----------------------------------------------------------------------------------------
  150. //    FW_CGraphicContext::SetClip
  151. //----------------------------------------------------------------------------------------
  152.  
  153. void FW_CGraphicContext::SetClip(ODShape* odShape)                    // a copy of odShape is used
  154. { 
  155.     FW_PrivGC_SetClip(fEnvironment, *this, odShape); 
  156.     FW_FailOnEvError(fEnvironment);
  157. }
  158.     
  159. //----------------------------------------------------------------------------------------
  160. //    FW_CGraphicContext::GetClipRect
  161. //----------------------------------------------------------------------------------------
  162.  
  163. void FW_CGraphicContext::GetClipRect(FW_SRect& clipRect) const
  164. { 
  165.     FW_PrivGC_GetClipRect(fEnvironment, *this, clipRect); 
  166.     FW_FailOnEvError(fEnvironment);
  167. }
  168.  
  169. //----------------------------------------------------------------------------------------
  170. //    FW_CGraphicContext::SetClipRect
  171. //----------------------------------------------------------------------------------------
  172.  
  173. void FW_CGraphicContext::SetClipRect(const FW_SRect& clipRect)
  174. { 
  175.     FW_PrivGC_SetClipRect(fEnvironment, *this, clipRect); 
  176.     FW_FailOnEvError(fEnvironment);
  177. }
  178.  
  179. //----------------------------------------------------------------------------------------
  180. //    FW_CGraphicContext::LogicalToDevice
  181. //----------------------------------------------------------------------------------------
  182.  
  183. FW_CPlatformPoint FW_CGraphicContext::LogicalToDevice(FW_Fixed xSize, FW_Fixed ySize) const
  184. {
  185.     FW_CPlatformPoint ptResult;
  186.     FW_PrivGC_LogicalToDeviceSize(fEnvironment, *this, xSize, ySize, ptResult);
  187.     FW_FailOnEvError(fEnvironment);
  188.     return ptResult;
  189. }
  190.  
  191. //----------------------------------------------------------------------------------------
  192. //    FW_CGraphicContext::LogicalToDevice
  193. //----------------------------------------------------------------------------------------
  194.  
  195. FW_CPlatformPoint FW_CGraphicContext::LogicalToDevice(const FW_CPoint& point) const
  196. {
  197.     FW_CPlatformPoint plfmPoint;
  198.     FW_PrivGC_LogicalToDevicePoint(fEnvironment, *this, point, plfmPoint);
  199.     FW_FailOnEvError(fEnvironment);
  200.     return plfmPoint;
  201. }
  202.  
  203. //----------------------------------------------------------------------------------------
  204. //    FW_CGraphicContext::LogicalToDevice
  205. //----------------------------------------------------------------------------------------
  206.  
  207. FW_CPlatformRect FW_CGraphicContext::LogicalToDevice(const FW_CRect& rect) const
  208. {
  209.     FW_CPlatformRect plfmRect;
  210.     FW_PrivGC_LogicalToDeviceRect(fEnvironment, *this, rect, plfmRect);
  211.     FW_FailOnEvError(fEnvironment);
  212.     return plfmRect;
  213. }
  214.  
  215. //----------------------------------------------------------------------------------------
  216. //    FW_CGraphicContext::LogicalToDevice
  217. //----------------------------------------------------------------------------------------
  218.  
  219. ODShape* FW_CGraphicContext::LogicalToDevice(ODShape* shape) const
  220. {
  221.     ODShape* result = FW_PrivGC_LogicalToDeviceShape(fEnvironment, *this, shape);
  222.     FW_FailOnEvError(fEnvironment);
  223.     return result;
  224. }
  225.  
  226. //----------------------------------------------------------------------------------------
  227. //    FW_CGraphicContext::DeviceToLogical
  228. //----------------------------------------------------------------------------------------
  229.  
  230. FW_CPoint FW_CGraphicContext::DeviceToLogical(FW_PlatformCoordinate xSize, FW_PlatformCoordinate ySize) const
  231. {
  232.     FW_CPoint ptResult;
  233.     FW_PrivGC_DeviceToLogicalSize(fEnvironment, *this, xSize, ySize, ptResult);
  234.     FW_FailOnEvError(fEnvironment);
  235.     return ptResult;
  236. }
  237.  
  238. //----------------------------------------------------------------------------------------
  239. //    FW_CGraphicContext::DeviceToLogical
  240. //----------------------------------------------------------------------------------------
  241.  
  242. FW_CPoint FW_CGraphicContext::DeviceToLogical(const FW_CPlatformPoint& point) const
  243. {
  244.     FW_CPoint pt;
  245.     FW_PrivGC_DeviceToLogicalPoint(fEnvironment, *this, point, pt);
  246.     FW_FailOnEvError(fEnvironment);
  247.     return pt;
  248. }
  249.  
  250. //----------------------------------------------------------------------------------------
  251. //    FW_CGraphicContext::DeviceToLogical
  252. //----------------------------------------------------------------------------------------
  253.  
  254. FW_CRect FW_CGraphicContext::DeviceToLogical(const FW_CPlatformRect& rect) const
  255. {
  256.     FW_CRect rectResult;
  257.     FW_PrivGC_DeviceToLogicalRect(fEnvironment, *this, rect, rectResult);
  258.     FW_FailOnEvError(fEnvironment);
  259.     return rectResult;
  260. }
  261.  
  262. //----------------------------------------------------------------------------------------
  263. //    FW_CGraphicContext::DeviceToLogical
  264. //----------------------------------------------------------------------------------------
  265.  
  266. ODShape* FW_CGraphicContext::DeviceToLogical(ODShape* shape) const
  267. {
  268.     ODShape* result = FW_PrivGC_DeviceToLogicalShape(fEnvironment, *this, shape);
  269.     FW_FailOnEvError(fEnvironment);
  270.     return result;
  271. }
  272.  
  273. //----------------------------------------------------------------------------------------
  274. //    FW_CGraphicContext::AcquireClip
  275. //----------------------------------------------------------------------------------------
  276.  
  277. ODShape* FW_CGraphicContext::AcquireClip() const
  278. {
  279.     ODShape* shape = FW_PrivGC_GetClip(fEnvironment, *this);
  280.     FW_FailOnEvError(fEnvironment);
  281.     return shape;
  282. }
  283.  
  284. //========================================================================================
  285. //    class FW_CSaveRestoreContext
  286. //========================================================================================
  287.  
  288. FW_DEFINE_AUTO(FW_CSaveRestoreContext)
  289.  
  290. //----------------------------------------------------------------------------------------
  291. //    FW_CSaveRestoreContext::FW_CSaveRestoreContext
  292. //----------------------------------------------------------------------------------------
  293.  
  294. FW_CSaveRestoreContext::FW_CSaveRestoreContext(FW_CGraphicContext& gc) :
  295.     fGC(gc),
  296.     fSuspendResume(NULL)
  297. {
  298.     FW_ASSERT(&gc == FW_PrivGC_GetCurrent(gc.GetEnvironment()));    
  299.     
  300.     FW_PlatformError error;
  301.     fSuspendResume = FW_PrivGDev_Suspend(gc.fGraphicDevice, &error);
  302.     FW_FailOnError(error);
  303.  
  304.     FW_END_CONSTRUCTOR
  305. }
  306.     
  307. //----------------------------------------------------------------------------------------
  308. //    FW_CSaveRestoreContext::FW_CSaveRestoreContext
  309. //----------------------------------------------------------------------------------------
  310.  
  311. FW_CSaveRestoreContext::~FW_CSaveRestoreContext()
  312. {
  313.     FW_START_DESTRUCTOR
  314.     FW_PlatformError error;
  315.     
  316.     // ----- ATTENTION: I don't own fSuspendResume so I don't delete it -----
  317.     if (fSuspendResume)
  318.          FW_PrivGDev_Resume(fGC.fGraphicDevice, fSuspendResume, &error);
  319.     // [HLX] What do I do with the error
  320. }
  321.