Enable graphics context by default

[wxWidgets.git] / src / os2 / dc.cpp

diff --git a/src/os2/dc.cpp b/src/os2/dc.cpp
index aa54c8a48a377c1f3f542d887ebe3bcdcc74380f..47e40bc3bb3c707703ef273d276807412d810345 100644 (file)
--- a/src/os2/dc.cpp
+++ b/src/os2/dc.cpp
@@ -444,7 +444,7 @@ void wxPMDCImpl::DoSetClippingRegion(
     DO_SET_CLIPPING_BOX()
 } // end of wxPMDCImpl::DoSetClippingRegion
 
     DO_SET_CLIPPING_BOX()
 } // end of wxPMDCImpl::DoSetClippingRegion
 

-void wxPMDCImpl::DoSetClippingRegionAsRegion(
+void wxPMDCImpl::DoSetDeviceClippingRegion(

   const wxRegion&                   rRegion
 )
 {
   const wxRegion&                   rRegion
 )
 {


@@ -457,7 +457,7 @@ void wxPMDCImpl::DoSetClippingRegionAsRegion(
                         ,&hRgnOld
                        );
     DO_SET_CLIPPING_BOX()
                         ,&hRgnOld
                        );
     DO_SET_CLIPPING_BOX()

-} // end of wxPMDCImpl::DoSetClippingRegionAsRegion
+} // end of wxPMDCImpl::DoSetDeviceClippingRegion

 
 void wxPMDCImpl::DestroyClippingRegion(void)
 {
 
 void wxPMDCImpl::DestroyClippingRegion(void)
 {


@@ -501,16 +501,16 @@ bool wxPMDCImpl::CanGetTextExtent() const
 
 int wxPMDCImpl::GetDepth() const
 {
 
 int wxPMDCImpl::GetDepth() const
 {

-    LONG                            lArray[CAPS_COLOR_BITCOUNT];
+    LONG                            lCapsColorBitcount;

     int                             nBitsPerPixel = 0;
 
     if(::DevQueryCaps( GetHDC()
     int                             nBitsPerPixel = 0;
 
     if(::DevQueryCaps( GetHDC()

-                      ,CAPS_FAMILY

                       ,CAPS_COLOR_BITCOUNT
                       ,CAPS_COLOR_BITCOUNT

-                      ,lArray
+                      ,1L
+                      ,&lCapsColorBitcount

                      ))
     {
                      ))
     {

-        nBitsPerPixel = (int)lArray[CAPS_COLOR_BITCOUNT];
+        nBitsPerPixel = (int)lCapsColorBitcount;

     }
     return nBitsPerPixel;
 } // end of wxPMDCImpl::GetDepth
     }
     return nBitsPerPixel;
 } // end of wxPMDCImpl::GetDepth


@@ -2218,13 +2218,13 @@ void wxPMDCImpl::SetMapMode(
     int                             nPixelHeight = 0;
     int                             nMmWidth = 1;
     int                             nMmHeight = 1;
     int                             nPixelHeight = 0;
     int                             nMmWidth = 1;
     int                             nMmHeight = 1;

-    LONG                            lArray[CAPS_VERTICAL_RESOLUTION];
+    LONG                            lArray[CAPS_VERTICAL_RESOLUTION+1];

 
     m_mappingMode = nMode;
 
     if(::DevQueryCaps( m_hDC
 
     m_mappingMode = nMode;
 
     if(::DevQueryCaps( m_hDC

-                      ,CAPS_FAMILY
-                      ,CAPS_VERTICAL_RESOLUTION
+                      ,CAPS_FAMILY                  // id of first item
+                      ,CAPS_VERTICAL_RESOLUTION+1   // number of items wanted

                       ,lArray
                      ))
     {
                       ,lArray
                      ))
     {


@@ -2236,15 +2236,15 @@ void wxPMDCImpl::SetMapMode(
         lHorzRes  = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
         lVertRes  = lArray[CAPS_VERTICAL_RESOLUTION];   // returns pel/meter
         nMmWidth  = (lHorzRes/1000) * nPixelWidth;
         lHorzRes  = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
         lVertRes  = lArray[CAPS_VERTICAL_RESOLUTION];   // returns pel/meter
         nMmWidth  = (lHorzRes/1000) * nPixelWidth;

-        nMmWidth = (lVertRes/1000) * nPixelHeight;
+        nMmHeight = (lVertRes/1000) * nPixelHeight;

     }
     if ((nPixelWidth == 0) || (nPixelHeight == 0) || (nMmWidth == 0) || (nMmHeight == 0))
     {
         return;
     }
 
     }
     if ((nPixelWidth == 0) || (nPixelHeight == 0) || (nMmWidth == 0) || (nMmHeight == 0))
     {
         return;
     }
 

-    double                          dMm2pixelsX = nPixelWidth/nMmWidth;
-    double                          dMm2pixelsY = nPixelHeight/nMmHeight;
+    double dMm2pixelsX = nPixelWidth/(double)nMmWidth;
+    double dMm2pixelsY = nPixelHeight/(double)nMmHeight;

 
     switch (nMode)
     {
 
     switch (nMode)
     {


@@ -2274,6 +2274,7 @@ void wxPMDCImpl::SetMapMode(
             m_logicalScaleY = 1.0;
             break;
     }
             m_logicalScaleY = 1.0;
             break;
     }

+

     SIZEL                           vSize;
     ULONG                           ulOptions;
 
     SIZEL                           vSize;
     ULONG                           ulOptions;
 


@@ -2283,10 +2284,6 @@ void wxPMDCImpl::SetMapMode(
         ulOptions = PU_ARBITRARY | GPIF_DEFAULT;
         ::GpiSetPS(m_hPS, &vSize, ulOptions);
     }
         ulOptions = PU_ARBITRARY | GPIF_DEFAULT;
         ::GpiSetPS(m_hPS, &vSize, ulOptions);
     }

-    m_nWindowExtX = (int)MS_XDEV2LOG(VIEWPORT_EXTENT);
-    m_nWindowExtY = (int)MS_YDEV2LOG(VIEWPORT_EXTENT);
-    // ????
-    

     ComputeScaleAndOrigin();
     
 }; // end of wxPMDCImpl::SetMapMode
     ComputeScaleAndOrigin();
     
 }; // end of wxPMDCImpl::SetMapMode


@@ -2655,57 +2652,61 @@ bool wxPMDCImpl::DoBlit( wxCoord vXdest,
 }
 
 void wxPMDCImpl::DoGetSize( int* pnWidth,
 }
 
 void wxPMDCImpl::DoGetSize( int* pnWidth,

-                      int* pnHeight ) const
+                            int* pnHeight ) const

 {
 {

-    LONG lArray[CAPS_HEIGHT];
+    LONG lArray[CAPS_HEIGHT+1];

 
     if(::DevQueryCaps( m_hDC
                       ,CAPS_FAMILY
 
     if(::DevQueryCaps( m_hDC
                       ,CAPS_FAMILY

-                      ,CAPS_HEIGHT
+                      ,CAPS_HEIGHT+1

                       ,lArray
                      ))
     {
                       ,lArray
                      ))
     {

-        *pnWidth  = lArray[CAPS_WIDTH];
-        *pnHeight = lArray[CAPS_HEIGHT];
+        if (pnWidth)
+            *pnWidth  = lArray[CAPS_WIDTH];
+        if (pnHeight)
+            *pnHeight = lArray[CAPS_HEIGHT];

     }
 }; // end of wxPMDCImpl::DoGetSize(
 
 void wxPMDCImpl::DoGetSizeMM( int* pnWidth,
                         int* pnHeight ) const
 {
     }
 }; // end of wxPMDCImpl::DoGetSize(
 
 void wxPMDCImpl::DoGetSizeMM( int* pnWidth,
                         int* pnHeight ) const
 {

-    LONG                            lArray[CAPS_VERTICAL_RESOLUTION];
+    LONG                            lArray[CAPS_VERTICAL_RESOLUTION+1];

 
     if(::DevQueryCaps( m_hDC
                       ,CAPS_FAMILY
 
     if(::DevQueryCaps( m_hDC
                       ,CAPS_FAMILY

-                      ,CAPS_VERTICAL_RESOLUTION
+                      ,CAPS_VERTICAL_RESOLUTION+1

                       ,lArray
                      ))
     {
         if(pnWidth)
         {
                       ,lArray
                      ))
     {
         if(pnWidth)
         {

-            int nWidth = lArray[CAPS_WIDTH];
-            int nHorzRes  = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
-            *pnWidth  = (nHorzRes/1000) * nWidth;
+            int nWidth   = lArray[CAPS_WIDTH];
+            int nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
+            // use fp to avoid returning 0 if nHorzRes < 1000
+            *pnWidth  = (int)((nHorzRes/1000.0) * nWidth);

         }
 
         if(pnHeight)
         {
         }
 
         if(pnHeight)
         {

-            int nHeight   = lArray[CAPS_HEIGHT];
+            int nHeight  = lArray[CAPS_HEIGHT];

             int nVertRes = lArray[CAPS_VERTICAL_RESOLUTION];   // returns pel/meter
             int nVertRes = lArray[CAPS_VERTICAL_RESOLUTION];   // returns pel/meter

-            *pnHeight = (nVertRes/1000) * nHeight;
+            // use fp to avoid returning 0 if nVertRes < 1000
+            *pnHeight = (int)((nVertRes/1000.0) * nHeight);

         }
     }
 }; // end of wxPMDCImpl::DoGetSizeMM
 
 wxSize wxPMDCImpl::GetPPI() const
 {
         }
     }
 }; // end of wxPMDCImpl::DoGetSizeMM
 
 wxSize wxPMDCImpl::GetPPI() const
 {

-    LONG                            lArray[CAPS_VERTICAL_RESOLUTION];
+    LONG                            lArray[CAPS_VERTICAL_RESOLUTION+1];

     int                             nWidth = 0;
     int                             nHeight = 0;
 
     if(::DevQueryCaps( m_hDC
                       ,CAPS_FAMILY
     int                             nWidth = 0;
     int                             nHeight = 0;
 
     if(::DevQueryCaps( m_hDC
                       ,CAPS_FAMILY

-                      ,CAPS_VERTICAL_RESOLUTION
+                      ,CAPS_VERTICAL_RESOLUTION+1

                       ,lArray
                      ))
     {
                       ,lArray
                      ))
     {