Factor out text measurement from wxDC and wxWindow into wxTextMeasure.

[wxWidgets.git] / src / html / m_layout.cpp

diff --git a/src/html/m_layout.cpp b/src/html/m_layout.cpp
index 0bc14503f754b3c70c4ed522d31a531bc6061373..cbbb4f99896668f05fcdc6b56dec5ae1426fd2a4 100644 (file)
--- a/src/html/m_layout.cpp
+++ b/src/html/m_layout.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        m_layout.cpp
+// Name:        src/html/m_layout.cpp
 // Purpose:     wxHtml module for basic paragraphs/layout handling
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
@@ -9,18 +9,15 @@
 
 #include "wx/wxprec.h"
 
-#include "wx/defs.h"
-
-#if wxUSE_HTML && wxUSE_STREAMS
-
 #ifdef __BORLANDC__
     #pragma hdrstop
 #endif
 
-#ifndef WXPRECOMP
-#endif
+#if wxUSE_HTML && wxUSE_STREAMS
 
-#include "wx/image.h"
+#ifndef WX_PRECOMP
+    #include "wx/image.h"
+#endif
 
 #include "wx/html/forcelnk.h"
 #include "wx/html/m_templ.h"
@@ -74,24 +71,22 @@ public:
     wxHtmlPageBreakCell() {}
 
     bool AdjustPagebreak(int* pagebreak,
-                         int* known_pagebreaks = NULL,
-                         int number_of_pages = 0) const;
+                         const wxArrayInt& known_pagebreaks,
+                         int pageHeight) const;
+
     void Draw(wxDC& WXUNUSED(dc),
               int WXUNUSED(x), int WXUNUSED(y),
               int WXUNUSED(view_y1), int WXUNUSED(view_y2),
               wxHtmlRenderingInfo& WXUNUSED(info)) {}
 
 private:
-    DECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell)
+    wxDECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell);
 };
 
-// Comparison routine for bsearch into an int* array of pagebreaks.
-extern "C" int wxCMPFUNC_CONV wxInteger_compare(void const* i0, void const* i1)
-{
-    return *(int*)i0 - *(int*)i1;
-}
-
-bool wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak, int* known_pagebreaks, int number_of_pages) const
+bool
+wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak,
+                                     const wxArrayInt& known_pagebreaks,
+                                     int WXUNUSED(pageHeight)) const
 {
     // When we are counting pages, 'known_pagebreaks' is non-NULL.
     // That's the only time we change 'pagebreak'. Otherwise, pages
@@ -103,37 +98,38 @@ bool wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak, int* known_pagebreaks,
     // vertical position. Otherwise we'd be setting a pagebreak above
     // the current cell, which is incorrect, or duplicating a
     // pagebreak that has already been set.
-    if(NULL == known_pagebreaks || *pagebreak <= m_PosY)
-        {
+    if( known_pagebreaks.GetCount() == 0 || *pagebreak <= m_PosY)
+    {
         return false;
-        }
+    }
 
     // m_PosY is only the vertical offset from the parent. The pagebreak
     // required here is the total page offset, so m_PosY must be added
     // to the parent's offset and height.
-    int total_height = m_PosY + GetParent()->GetPosY() + GetParent()->GetHeight();
+    int total_height = m_PosY;
+    for ( wxHtmlCell *parent = GetParent(); parent; parent = parent->GetParent() )
+    {
+        total_height += parent->GetPosY();
+    }
+
 
     // Search the array of pagebreaks to see whether we've already set
-    // a pagebreak here. The standard bsearch() function is appropriate
-    // because the array of pagebreaks through known_pagebreaks[number_of_pages]
-    // is known to be sorted in strictly increasing order. '1 + number_of_pages'
-    // is used as a bsearch() argument because the array contains a leading
-    // zero plus one element for each page.
-    int* where = (int*) bsearch(&total_height, known_pagebreaks,
-                                1 + number_of_pages, sizeof(int),
-                                wxInteger_compare);
+    // a pagebreak here.
+    int where = known_pagebreaks.Index( total_height);
     // Add a pagebreak only if there isn't one already set here.
-    if(NULL != where)
-        {
+    if( wxNOT_FOUND != where)
+    {
         return false;
-        }
+    }
     else
-        {
+    {
         *pagebreak = m_PosY;
         return true;
-        }
+    }
 }
 
+
+
 TAG_HANDLER_BEGIN(P, "P")
     TAG_HANDLER_CONSTR(P) { }
 
@@ -292,13 +288,16 @@ TAG_HANDLER_BEGIN(TITLE, "TITLE")
         wxHtmlWindowInterface *winIface = m_WParser->GetWindowInterface();
         if (winIface)
         {
-            wxString title = m_WParser->GetSource()->Mid(
-                                    tag.GetBeginPos(),
-                                    tag.GetEndPos1()-tag.GetBeginPos());
-#if !wxUSE_UNICODE && wxUSE_WCHAR_T
-            wxCSConv conv(m_WParser->GetInputEncoding());
-            title = wxString(title.wc_str(conv), wxConvLocal);
-#endif
+            wxString title(tag.GetBeginIter(), tag.GetEndIter1());
+#if !wxUSE_UNICODE
+            const wxFontEncoding enc = m_WParser->GetInputEncoding();
+            if ( enc != wxFONTENCODING_DEFAULT )
+            {
+                // need to convert to the current one
+                title = wxString(title.wc_str(wxCSConv(enc)), wxConvLocal);
+            }
+#endif // !wxUSE_UNICODE
+
             title = m_WParser->GetEntitiesParser()->Parse(title);
 
             winIface->SetHTMLWindowTitle(title);
@@ -344,12 +343,12 @@ TAG_HANDLER_BEGIN(BODY, "BODY")
                 wxInputStream *is = fileBgImage->GetStream();
                 if ( is )
                 {
-#if !defined(__WXMSW__) || wxUSE_WXDIB
                     wxImage image(*is);
-                    if ( image.Ok() )
+                    if ( image.IsOk() )
                         winIface->SetHTMLBackgroundImage(image);
-#endif
                 }
+
+                delete fileBgImage;
             }
         }
 
@@ -409,7 +408,8 @@ TAG_HANDLER_BEGIN(SUBSUP, "SUB,SUP")
         wxHtmlCell *c = cont->GetLastChild();
 
         m_WParser->SetScriptMode(issub ? wxHTML_SCRIPT_SUB : wxHTML_SCRIPT_SUP);
-        m_WParser->SetScriptBaseline(oldbase + c->GetScriptBaseline());
+        m_WParser->SetScriptBaseline(
+                oldbase + c ? c->GetScriptBaseline() : 0);
 
         // select smaller font
         m_WParser->SetFontSize(m_WParser->GetFontSize()-2);