don't recompute nonbreakable space character every time a text fragment is added...

[wxWidgets.git] / src / msw / graphics.cpp

diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index d7b1c86969ef8cfad41dea829ea65b99cc7ba77a..bda43979a70c9a988ce2a67aa3fb38c376a42693 100644 (file)
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -17,29 +17,30 @@
 #pragma hdrstop
 #endif
 
+#if wxUSE_GRAPHICS_CONTEXT
+
 #ifndef WX_PRECOMP
-#include "wx/msw/wrapcdlg.h"
-#include "wx/image.h"
-#include "wx/window.h"
-#include "wx/dc.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/app.h"
-#include "wx/bitmap.h"
-#include "wx/dcmemory.h"
-#include "wx/log.h"
-#include "wx/icon.h"
-#include "wx/dcprint.h"
-#include "wx/module.h"
+    #include "wx/msw/wrapcdlg.h"
+    #include "wx/image.h"
+    #include "wx/window.h"
+    #include "wx/dc.h"
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/app.h"
+    #include "wx/bitmap.h"
+    #include "wx/dcmemory.h"
+    #include "wx/log.h"
+    #include "wx/icon.h"
+    #include "wx/dcprint.h"
+    #include "wx/module.h"
 #endif
 
 #include "wx/graphics.h"
+#include "wx/msw/wrapgdip.h"
 
-#if wxUSE_GRAPHICS_CONTEXT
-
-#include <vector>
+#include "wx/stack.h"
 
-using namespace std;
+WX_DECLARE_STACK(GraphicsState, GraphicsStates);
 
 //-----------------------------------------------------------------------------
 // constants
@@ -79,20 +80,7 @@ static inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; }
 #include <commdlg.h>
 #endif
 
-// TODO remove this dependency (gdiplus needs the macros)
-
-#ifndef max
-#define max(a,b)            (((a) > (b)) ? (a) : (b))
-#endif
-
-#ifndef min
-#define min(a,b)            (((a) < (b)) ? (a) : (b))
-#endif
-
-#include "gdiplus.h"
-using namespace Gdiplus;
-
-class WXDLLIMPEXP_CORE wxGDIPlusPathData : public wxGraphicsPathData
+class wxGDIPlusPathData : public wxGraphicsPathData
 {
 public :
     wxGDIPlusPathData(wxGraphicsRenderer* renderer, GraphicsPath* path = NULL);
@@ -160,7 +148,7 @@ private :
     GraphicsPath* m_path;
 };
 
-class WXDLLIMPEXP_CORE wxGDIPlusMatrixData : public wxGraphicsMatrixData
+class wxGDIPlusMatrixData : public wxGraphicsMatrixData
 {
 public :
     wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* matrix = NULL) ;
@@ -175,6 +163,10 @@ public :
     virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
         wxDouble tx=0.0, wxDouble ty=0.0);
 
+    // gets the component valuess of the matrix
+    virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
+                     wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
+
     // makes this the inverse matrix
     virtual void Invert();
 
@@ -213,7 +205,7 @@ private:
     Matrix* m_matrix ;
 } ;
 
-class WXDLLIMPEXP_CORE wxGDIPlusPenData : public wxGraphicsObjectRefData
+class wxGDIPlusPenData : public wxGraphicsObjectRefData
 {
 public:
     wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &pen );
@@ -232,7 +224,7 @@ protected :
     wxDouble m_width;
 };
 
-class WXDLLIMPEXP_CORE wxGDIPlusBrushData : public wxGraphicsObjectRefData
+class wxGDIPlusBrushData : public wxGraphicsObjectRefData
 {
 public:
     wxGDIPlusBrushData( wxGraphicsRenderer* renderer );
@@ -254,7 +246,7 @@ private :
     GraphicsPath* m_brushPath;
 };
 
-class WXDLLIMPEXP_CORE wxGDIPlusFontData : public wxGraphicsObjectRefData
+class wxGDIPlusFontData : public wxGraphicsObjectRefData
 {
 public:
     wxGDIPlusFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
@@ -267,7 +259,7 @@ private :
     Font* m_font;
 };
 
-class WXDLLIMPEXP_CORE wxGDIPlusContext : public wxGraphicsContext
+class wxGDIPlusContext : public wxGraphicsContext
 {
 public:
     wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc );
@@ -311,13 +303,14 @@ public:
     virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
         wxDouble *descent, wxDouble *externalLeading ) const;
     virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
+    virtual bool ShouldOffset() const;
 
 private:
     void    Init();
     void    SetDefaults();
 
     Graphics* m_context;
-    vector<GraphicsState> m_stateStack;
+    GraphicsStates m_stateStack;
     GraphicsState m_state1;
     GraphicsState m_state2;
 
@@ -766,6 +759,20 @@ void wxGDIPlusMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
     m_matrix->SetElements(a,b,c,d,tx,ty);
 }
 
+// gets the component valuess of the matrix
+void wxGDIPlusMatrixData::Get(wxDouble* a, wxDouble* b,  wxDouble* c,
+                              wxDouble* d, wxDouble* tx, wxDouble* ty) const
+{
+    REAL elements[6];
+    m_matrix->GetElements(elements);
+    if (a)  *a = elements[0];
+    if (b)  *b = elements[1];
+    if (c)  *c = elements[2];
+    if (d)  *d = elements[3];
+    if (tx) *tx= elements[4];
+    if (ty) *ty= elements[5];
+}
+
 // makes this the inverse matrix
 void wxGDIPlusMatrixData::Invert()
 {
@@ -946,13 +953,13 @@ void wxGDIPlusContext::Scale( wxDouble xScale , wxDouble yScale )
 void wxGDIPlusContext::PushState()
 {
     GraphicsState state = m_context->Save();
-    m_stateStack.push_back(state);
+    m_stateStack.push(state);
 }
 
 void wxGDIPlusContext::PopState()
 {
-    GraphicsState state = m_stateStack.back();
-    m_stateStack.pop_back();
+    GraphicsState state = m_stateStack.top();
+    m_stateStack.pop();
     m_context->Restore(state);
 }
 
@@ -1162,7 +1169,8 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble
 
     CharacterRange* ranges = new CharacterRange[len] ;
     Region* regions = new Region[len];
-    for( size_t i = 0 ; i < len ; ++i)
+    size_t i;
+    for( i = 0 ; i < len ; ++i)
     {
         ranges[i].First = i ;
         ranges[i].Length = 1 ;
@@ -1171,13 +1179,25 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble
     m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,1,regions) ;
 
     RectF bbox ;
-    for ( size_t i = 0 ; i < len ; ++i)
+    for ( i = 0 ; i < len ; ++i)
     {
         regions[i].GetBounds(&bbox,m_context);
         widths[i] = bbox.GetRight()-bbox.GetLeft();
     }
 }
 
+bool wxGDIPlusContext::ShouldOffset() const
+{     
+    int penwidth = 0 ;
+    if ( !m_pen.IsNull() )
+    {
+        penwidth = (int)((wxGDIPlusPenData*)m_pen.GetRefData())->GetWidth();
+        if ( penwidth == 0 )
+            penwidth = 1;
+    }
+    return ( penwidth % 2 ) == 1;
+}
+
 void* wxGDIPlusContext::GetNativeContext()
 {
     return m_context;
@@ -1206,7 +1226,7 @@ wxGraphicsMatrix wxGDIPlusContext::GetTransform() const
 // wxGDIPlusRenderer declaration
 //-----------------------------------------------------------------------------
 
-class WXDLLIMPEXP_CORE wxGDIPlusRenderer : public wxGraphicsRenderer
+class wxGDIPlusRenderer : public wxGraphicsRenderer
 {
 public :
     wxGDIPlusRenderer()