X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f60e7fdddbc67eb34b376b54d4b844595f82ab00..ddfca47f05f821f034514bf5d5cf938d80fa2829:/src/gtk1/dcclient.cpp

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index 736b8a1332..1af1943549 100644
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -20,6 +20,7 @@
 #include "wx/image.h"
 #include "wx/module.h"
 #include "wx/log.h"
+#include "wx/fontutil.h"
 
 #include "wx/gtk/win_gtk.h"
 
@@ -170,25 +171,56 @@ struct wxGC
     bool          m_used;
 };
 
-static wxGC wxGCPool[GC_POOL_SIZE];
+#define GC_POOL_ALLOC_SIZE 100
+
+static int wxGCPoolSize = 0;
+
+static wxGC *wxGCPool = NULL;
 
 static void wxInitGCPool()
 {
-    memset( wxGCPool, 0, GC_POOL_SIZE*sizeof(wxGC) );
+    // This really could wait until the first call to
+    // wxGetPoolGC, but we will make the first allocation
+    // now when other initialization is being performed.
+    
+    // Set initial pool size.
+    wxGCPoolSize = GC_POOL_ALLOC_SIZE;
+    
+    // Allocate initial pool.
+    wxGCPool = (wxGC *)malloc(wxGCPoolSize * sizeof(wxGC));
+    if (wxGCPool == NULL)
+    {
+        // If we cannot malloc, then fail with error
+        // when debug is enabled.  If debug is not enabled,
+        // the problem will eventually get caught
+		// in wxGetPoolGC.
+        wxFAIL_MSG( wxT("Cannot allocate GC pool") );
+        return;
+    }
+    
+    // Zero initial pool.
+    memset(wxGCPool, 0, wxGCPoolSize * sizeof(wxGC));
 }
 
 static void wxCleanUpGCPool()
 {
-    for (int i = 0; i < GC_POOL_SIZE; i++)
+    for (int i = 0; i < wxGCPoolSize; i++)
     {
         if (wxGCPool[i].m_gc)
             gdk_gc_unref( wxGCPool[i].m_gc );
     }
+
+    free(wxGCPool);
+    wxGCPool = NULL;
+    wxGCPoolSize = 0;
 }
 
 static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
 {
-    for (int i = 0; i < GC_POOL_SIZE; i++)
+    wxGC *pptr;
+    
+    // Look for an available GC.
+    for (int i = 0; i < wxGCPoolSize; i++)
     {
         if (!wxGCPool[i].m_gc)
         {
@@ -204,6 +236,31 @@ static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
         }
     }
 
+    // We did not find an available GC.
+    // We need to grow the GC pool.
+    pptr = (wxGC *)realloc(wxGCPool,
+		(wxGCPoolSize + GC_POOL_ALLOC_SIZE)*sizeof(wxGC));
+    if (pptr != NULL)
+    {
+        // Initialize newly allocated pool.
+        wxGCPool = pptr;
+    	memset(&wxGCPool[wxGCPoolSize], 0,
+			GC_POOL_ALLOC_SIZE*sizeof(wxGC));
+    
+        // Initialize entry we will return.    
+        wxGCPool[wxGCPoolSize].m_gc = gdk_gc_new( window );
+        gdk_gc_set_exposures( wxGCPool[wxGCPoolSize].m_gc, FALSE );
+        wxGCPool[wxGCPoolSize].m_type = type;
+        wxGCPool[wxGCPoolSize].m_used = TRUE;
+        
+        // Set new value of pool size.
+        wxGCPoolSize += GC_POOL_ALLOC_SIZE;
+        
+        // Return newly allocated entry.
+        return wxGCPool[wxGCPoolSize-GC_POOL_ALLOC_SIZE].m_gc;
+    }
+    
+    // The realloc failed.  Fall through to error.
     wxFAIL_MSG( wxT("No GC available") );
 
     return (GdkGC*) NULL;
@@ -211,7 +268,7 @@ static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
 
 static void wxFreePoolGC( GdkGC *gc )
 {
-    for (int i = 0; i < GC_POOL_SIZE; i++)
+    for (int i = 0; i < wxGCPoolSize; i++)
     {
         if (wxGCPool[i].m_gc == gc)
         {
@@ -274,6 +331,7 @@ wxWindowDC::wxWindowDC( wxWindow *window )
 
 #ifdef __WXGTK20__
     m_context = gtk_widget_get_pango_context( widget );
+    
     m_fontdesc = widget->style->font_desc;
 #endif
 
@@ -1499,7 +1557,7 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
                 // don't use DrawPoint() because it uses the current pen
                 // colour, and we don't need it here
                 gdk_draw_point( m_window, m_textGC,
-                                XLOG2DEV(x + dstX), YLOG2DEV(y + dstY) );
+                                XLOG2DEV(x) + dstX, YLOG2DEV(y) + dstY );
             }
         }
     }
@@ -1594,11 +1652,13 @@ void wxWindowDC::Clear()
 
 void wxWindowDC::SetFont( const wxFont &font )
 {
-    wxCHECK_RET( font.Ok(), _T("invalid font in wxWindowDC::SetFont") );
+    // It is common practice to set the font to wxNullFont, so
+    // don't consider it to be an error
+    //    wxCHECK_RET( font.Ok(), _T("invalid font in wxWindowDC::SetFont") );
 
     m_font = font;
 #ifdef __WXGTK20__
-    // fix fontdesc?
+    m_fontdesc = m_font.GetNativeFontInfo()->description;
 #endif
 }