put the write end of the pipe in non blocking mode to avoid deadlocks and return...

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

diff --git a/src/html/m_image.cpp b/src/html/m_image.cpp
index 909c32a3fce2fa65687d9c74aa487a89b8957ead..e8d63f818f204ec53c1c9dcbbc51f5297d63e19d 100644 (file)
--- a/src/html/m_image.cpp
+++ b/src/html/m_image.cpp
@@ -4,10 +4,10 @@
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik, Joel Lucsy
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation
 #endif
 
@@ -35,6 +35,7 @@
 #include "wx/gifdecod.h"
 #include "wx/dynarray.h"
 #include "wx/log.h"
+#include "wx/artprov.h"
 
 #include <math.h>
 #include <float.h>
@@ -49,11 +50,11 @@ WX_DECLARE_OBJARRAY(int, CoordArray);
 WX_DEFINE_OBJARRAY(CoordArray);
 
 
-//--------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 // wxHtmlImageMapAreaCell
-//                  0-width, 0-height cell that represents single area in imagemap
-//                  (it's GetLink is called from wxHtmlImageCell's)
-//--------------------------------------------------------------------------------
+//                  0-width, 0-height cell that represents single area in
+//                  imagemap (it's GetLink is called from wxHtmlImageCell's)
+// ---------------------------------------------------------------------------
 
 class wxHtmlImageMapAreaCell : public wxHtmlCell
 {
@@ -66,6 +67,13 @@ class wxHtmlImageMapAreaCell : public wxHtmlCell
     public:
         wxHtmlImageMapAreaCell( celltype t, wxString &coords, double pixel_scale = 1.0);
         virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
+        void Draw(wxDC& WXUNUSED(dc),
+                  int WXUNUSED(x), int WXUNUSED(y),
+                  int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+                  wxHtmlRenderingInfo& WXUNUSED(info)) {}
+
+
+    DECLARE_NO_COPY_CLASS(wxHtmlImageMapAreaCell)
 };
 
 
@@ -238,6 +246,12 @@ class wxHtmlImageMapCell : public wxHtmlCell
     public:
         virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
         virtual const wxHtmlCell *Find( int cond, const void *param ) const;
+        void Draw(wxDC& WXUNUSED(dc),
+                  int WXUNUSED(x), int WXUNUSED(y),
+                  int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+                  wxHtmlRenderingInfo& WXUNUSED(info)) {}
+
+    DECLARE_NO_COPY_CLASS(wxHtmlImageMapCell)
 };
 
 
@@ -281,7 +295,8 @@ public:
                     double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM,
                     const wxString& mapname = wxEmptyString);
     ~wxHtmlImageCell();
-    void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2);
+    void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
+              wxHtmlRenderingInfo& info);
     virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const;
 
     void SetImage(const wxImage& img);
@@ -325,51 +340,10 @@ class wxGIFTimer : public wxTimer
 #endif
 
 
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 // wxHtmlImageCell
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 
-/* XPM */
-static const char * broken_image_xpm[] = {
-"29 31 7 1",
-"   c None",
-".  c #808080",
-"+  c #FFFFFF",
-"@  c #C0C0C0",
-"#  c #000000",
-"$  c #333366",
-"%  c #B2B2B2",
-".....................        ",
-".+++++++++++++++++++..       ",
-".+++++++++++++++++++.@.      ",
-".++@@@@@@@@@@@@@@@@@.+@.     ",
-".++@@@@@@@@@@@@@@@@@.++@.    ",
-".++@@@@@.@@@@.@@@@@@.+++@.   ",
-".++@@@@@@@@@@@@@@@@@.++++@.  ",
-".++@@@@@@@@@@@@@@@@@.+++++@. ",
-".++@@.@@@@@@@@@@.@@@######## ",
-".++@@@@@@@@@@@@@@@@@@$$$$$$#.",
-".######@@@@@@@@@@@@@@@.....#.",
-"       ###@@@@@@@@@@@@@@@++#.",
-"          #####@@@@@@@@@@++#.",
-"              #@.@@@@@@@@++#.",
-"..             ###@@@@@@@++#.",
-".+....            #@@@@@@++#.",
-".++@@@...          ####@@++#.",
-".++@@@@@@..            #####.",
-".++@@@@@@@@...               ",
-".++@@@@@@%%%%@.              ",
-".++@@@@@@%%%%@@....          ",
-".++@@@@@@%%%%@@@@@@....      ",
-".++@@@@@@%%%%@@@@@@@@@@....  ",
-".++@@@@@@@@@@@@@@@@@@@@@@++#.",
-".++@@@@@@@@@@@@@@@@@@@@@@++#.",
-".++@@@@@@@@@@@@@@@@@@@@@@++#.",
-".++@@@@@@@@@@@@@@@@@@@@@@++#.",
-".++@@@@@@@@@@@@@@@@@@@@@@++#.",
-".++++++++++++++++++++++++++#.",
-".++++++++++++++++++++++++++#.",
-"############################."};
 
 wxHtmlImageCell::wxHtmlImageCell(wxWindow *window, wxFSFile *input,
                                  int w, int h, double scale, int align,
@@ -451,7 +425,8 @@ wxHtmlImageCell::wxHtmlImageCell(wxWindow *window, wxFSFile *input,
                 if ( m_bmpW == -1 ) m_bmpW = 31;
                 if ( m_bmpH == -1 ) m_bmpH = 33;
             }
-            m_bitmap = new wxBitmap(broken_image_xpm);
+            m_bitmap = 
+                new wxBitmap(wxArtProvider::GetBitmap(wxART_MISSING_IMAGE));
         }
     }
     //else: ignore the 0-sized images used sometimes on the Web pages
@@ -489,12 +464,16 @@ void wxHtmlImageCell::SetImage(const wxImage& img)
         if ( m_bmpH == -1 )
             m_bmpH = hh;
 
+        // Only scale the bitmap at the rendering stage,
+        // so we don't lose quality twice
+/*
         if ((m_bmpW != ww) || (m_bmpH != hh))
         {
             wxImage img2 = img.Scale(m_bmpW, m_bmpH);
             m_bitmap = new wxBitmap(img2);
         }
         else
+*/
             m_bitmap = new wxBitmap(img);
     }
 }
@@ -530,7 +509,8 @@ void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer)
             wxBitmap bmp(img);
             wxMemoryDC dc;
             dc.SelectObject(*m_bitmap);
-            dc.DrawBitmap(bmp, m_gifDecoder->GetLeft(), m_gifDecoder->GetTop());
+            dc.DrawBitmap(bmp, m_gifDecoder->GetLeft(), m_gifDecoder->GetTop(),
+                          TRUE /* use mask */);
         }
         else
             SetImage(img);
@@ -558,7 +538,9 @@ wxHtmlImageCell::~wxHtmlImageCell()
 }
 
 
-void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2))
+void wxHtmlImageCell::Draw(wxDC& dc, int x, int y,
+                           int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+                           wxHtmlRenderingInfo& WXUNUSED(info))
 {
     if ( m_showFrame )
     {
@@ -569,12 +551,21 @@ void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WX
     }
     if ( m_bitmap )
     {
+        // We add in the scaling from the desired bitmap width
+        // and height, so we only do the scaling once.
+        double imageScaleX = 1.0;
+        double imageScaleY = 1.0;
+        if (m_bmpW != m_bitmap->GetWidth())
+            imageScaleX = (double) m_bmpW / (double) m_bitmap->GetWidth();
+        if (m_bmpH != m_bitmap->GetHeight())
+            imageScaleY = (double) m_bmpH / (double) m_bitmap->GetHeight();
+        
         double us_x, us_y;
         dc.GetUserScale(&us_x, &us_y);
-        dc.SetUserScale(us_x * m_scale, us_y * m_scale);
+        dc.SetUserScale(us_x * m_scale * imageScaleX, us_y * m_scale * imageScaleY);
 
-        dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / m_scale),
-                                 (int) ((y + m_PosY) / m_scale), TRUE);
+        dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (m_scale*imageScaleX)),
+                                 (int) ((y + m_PosY) / (m_scale*imageScaleY)), TRUE);
         dc.SetUserScale(us_x, us_y);
     }
 }
@@ -616,6 +607,7 @@ wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const
 //--------------------------------------------------------------------------------
 
 TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA")
+    TAG_HANDLER_CONSTR(IMG) { }
 
     TAG_HANDLER_PROC(tag)
     {