Fixed bug in text rendering when switching between fullscreen and windowed

mode in software mode.  This error is pretty serious; I'm surprised nobody
reported it before.  I'm probably going to do a 3.0.1 release just to
address this.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1938 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba

src/common/FrameBufferSoft.cxx

@@ -135,6 +135,10 @@ bool FrameBufferSoft::setVidMode(VideoMode& mode)
   // a different sized screen
   myRectList->start();
 
+  // Any previously allocated surfaces have probably changed as well,
+  // so we should refresh them
+  resetSurfaces();
+
   return true;
 }
 
@@ -534,7 +538,7 @@ FBSurfaceSoft::FBSurfaceSoft(const FrameBufferSoft& buffer, SDL_Surface* surface
     myXOffset(0),
     myYOffset(0)
 {
-  recalc();
+  reload();
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -663,7 +667,6 @@ void FBSurfaceSoft::drawChar(const GUI::Font* font, uInt8 chr,
     {
       // Get buffer position where upper-left pixel of the character will be drawn
       uInt32* buffer = (uInt32*)getBasePtr(tx + bbx, ty + desc.ascent - bby - bbh);
-
       for(int y = 0; y < bbh; y++, buffer += myPitch)
       {
         const uInt16 ptr = *tmp++;
@@ -839,7 +842,7 @@ void FBSurfaceSoft::update()
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void FBSurfaceSoft::recalc()
+void FBSurfaceSoft::reload()
 {
   switch(mySurface->format->BytesPerPixel)
   {

src/common/FrameBufferSoft.hxx

@@ -204,10 +204,9 @@ class FBSurfaceSoft : public FBSurface
     void translateCoords(Int32& x, Int32& y) const;
     void update();
     void free()   { }   // Not required for software mode
-    void reload() { }   // Not required for software mode
+    void reload();
 
   private:
-    void recalc();
     inline void* getBasePtr(uInt32 x, uInt32 y) {
       return static_cast<void *>(static_cast<uInt8*>(mySurface->pixels) +
           (myYOffset + y) * mySurface->pitch + (myXOffset + x) *