b=88608 A3 support r=dcone sr=attinasi

gfx/src/beos/nsDeviceContextSpecB.cpp

@@ -234,6 +234,10 @@ NS_IMETHODIMP nsDeviceContextSpecBeOS :: GetPageDimensions ( float &aWidth, floa
         // 210mm X 297mm == 8.27in X 11.69in 
         aWidth = 8.27; 
         aHeight = 11.69; 
+    } else if ( mPrData.size == NS_A3_SIZE ) {
+        // 297mm X 420mm == 11.69in X 16.53in
+        aWidth = 11.69;
+        aHeight = 16.53;
     } 
     return NS_OK; 
 } 

gfx/src/gtk/nsDeviceContextSpecG.cpp

@@ -310,7 +310,10 @@ NS_IMETHODIMP nsDeviceContextSpecGTK :: GetPageDimensions ( float &aWidth, float
         // 210mm X 297mm == 8.27in X 11.69in
         aWidth = 8.27;
         aHeight = 11.69;
-    }
+  } else if ( mPrData.size == NS_A3_SIZE ) {
+        // 297mm X 420mm == 11.69in X 16.53in
+        aWidth = 11.69;
+        aHeight = 16.53;    }
     return NS_OK;
 }
 

gfx/src/ps/nsPostScriptObj.cpp

@@ -251,7 +251,7 @@ nsPostScriptObj::Init( nsIDeviceContextSpecPS *aSpec, PRUnichar * aTitle )
 
     mPrintSetup->color = PR_TRUE;              // Image output 
     mPrintSetup->deep_color = PR_TRUE;         // 24 bit color output 
-    mPrintSetup->paper_size = NS_LEGAL_SIZE;   // Paper Size(letter,legal,exec,a4)
+    mPrintSetup->paper_size = NS_LEGAL_SIZE;   // Paper Size(letter,legal,exec,a4,a3)
     mPrintSetup->reverse = 0;                  // Output order, 0 is acsending 
     if ( aSpec != nsnull ) {
       aSpec->GetGrayscale( isGray );

gfx/src/ps/nsPostScriptObj.h

@@ -156,7 +156,7 @@ struct PrintSetup_ {
   float rules;			            /* Scale factor for rulers */
   int n_up;                     /* cool page combining */
   int bigger;                   /* Used to init sizes if sizesin NULL */
-  int paper_size;               /* Paper Size(letter,legal,exec,a4) */
+  int paper_size;               /* Paper Size(letter,legal,exec,a4,a3) */
 
   char* prefix;                 /* For text xlate, prepended to each line */
   char* eol;			              /* For text translation, line terminator  */

gfx/src/xlib/nsDeviceContextSpecXlib.cpp

@@ -296,8 +296,13 @@ NS_IMETHODIMP nsDeviceContextSpecXlib::GetPageDimensions(float &aWidth, float &a
         // 210mm X 297mm == 8.27in X 11.69in
         aWidth = 8.27;
         aHeight = 11.69;
+    } else if (mPrData.size == NS_A3_SIZE) {
+        // 297mm X 420mm == 11.69in X 16.53in
+        aWidth = 11.69;
+        aHeight = 16.53;
     }
-    return NS_OK;
+
+  return NS_OK;
 }
 
 NS_IMETHODIMP nsDeviceContextSpecXlib::GetTopMargin(float &value)