Allow wxSTC to have scrollbars

[wxWidgets.git] / src / mac / pnghand.cpp

diff --git a/src/mac/pnghand.cpp b/src/mac/pnghand.cpp
index af7b3a6f99719184168f9d3936b24f9dfcdf1d0f..3d2690803c0779d77e550a6cf9d8e0a3e31fc2bc 100644 (file)
--- a/src/mac/pnghand.cpp
+++ b/src/mac/pnghand.cpp
@@ -10,15 +10,15 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
-#pragma implementation "pngread.h"
-#pragma implementation "pnghand.h"
+#  pragma implementation "pngread.h"
+#  pragma implementation "pnghand.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+#  pragma hdrstop
 #endif
 
 #include <stdlib.h>
@@ -31,7 +31,7 @@
 #   include <fstream>
 #endif
 
-#ifndef __WXMAC_X__
+#ifndef __DARWIN__
 #  include <windows.h>
 #endif
 #include "wx/msgdlg.h"
@@ -39,6 +39,7 @@
 #include "wx/bitmap.h"
 #include "wx/mac/pnghand.h"
 #include "wx/mac/pngread.h"
+#include "wx/mac/private.h"
 
 extern "C" {
 #include "png.h"
@@ -79,7 +80,7 @@ wxPNGReader::wxPNGReader(void)
 
   lpbi = NULL;
   bgindex = -1;
-  Palette = 0;
+  m_palette = 0;
   imageOK = FALSE;
 }
 
@@ -91,7 +92,7 @@ wxPNGReader::wxPNGReader ( char* ImageFileName )
 
   Width = 0; Height = 0;       //  Dimensions
   Depth = 0;           // (bits x pixel)
-  ColorType = 0;        // Bit 1 = Palette used
+  ColorType = 0;        // Bit 1 = m_palette used
                   // Bit 2 = Color used
                   // Bit 3 = Alpha used
 
@@ -99,7 +100,7 @@ wxPNGReader::wxPNGReader ( char* ImageFileName )
 
   lpbi = NULL;
   bgindex = -1;
-  Palette = 0;
+  m_palette = 0;
 
   imageOK = ReadFile (ImageFileName);
 }
@@ -109,14 +110,13 @@ wxPNGReader::Create(int width, int height, int depth, int colortype)
 {
   Width = width; Height = height; Depth = depth;
   ColorType = (colortype>=0) ? colortype: ((Depth>8) ? COLORTYPE_COLOR: 0);
-  delete Palette;
-  delete[] RawImage ;
-  RawImage = 0;
-  Palette = 0;
+  delete m_palette;
+  m_palette = NULL;
+  delete[] RawImage;
+  RawImage = NULL;
 
-  if (lpbi)  
-  {
-       wxMacDestroyGWorld( lpbi ) ;
+  if (lpbi) {
+       wxMacDestroyGWorld( (GWorldPtr) lpbi ) ;
   }
   lpbi = wxMacCreateGWorld( Width , Height , Depth);
   if (lpbi)
@@ -133,11 +133,18 @@ wxPNGReader::Create(int width, int height, int depth, int colortype)
 
 wxPNGReader::~wxPNGReader ( )
 {
-       delete[] RawImage ;
-  if (lpbi)  {
-       wxMacDestroyGWorld( lpbi ) ;
-  }
-  delete Palette;
+    if (RawImage != NULL) {
+        delete[] RawImage ;
+        RawImage = NULL;
+    }
+    if (lpbi)  {
+       wxMacDestroyGWorld( (GWorldPtr) lpbi ) ;
+        lpbi = NULL;
+    }
+    if (m_palette != NULL) {
+        delete m_palette;
+        m_palette = NULL;
+    }
 }
 
 
@@ -154,10 +161,10 @@ bool wxPNGReader::GetRGB(int x, int y, byte* r, byte* g, byte* b)
 {
   if (!Inside(x, y)) return FALSE;
 
-  if (Palette) {
-   return Palette->GetRGB(GetIndex(x, y), r, g, b);
+  if (m_palette) {
+   return m_palette->GetRGB(GetIndex(x, y), r, g, b);
 /*   PALETTEENTRY entry;
-   ::GetPaletteEntries((HPALETTE) Palette->GetHPALETTE(), GetIndex(x, y), 1, &entry);
+   ::GetPaletteEntries((HPALETTE) m_palette->GetHPALETTE(), GetIndex(x, y), 1, &entry);
    *r = entry.peRed;
    *g = entry.peGreen;
    *b = entry.peBlue;  */
@@ -187,8 +194,8 @@ bool wxPNGReader::SetRGB(int x, int y, byte r, byte g, byte b)
 
   if (ColorType & COLORTYPE_PALETTE)
   {
-   if (!Palette) return FALSE;
-   SetIndex(x, y, Palette->GetPixel(r, g, b));
+   if (!m_palette) return FALSE;
+   SetIndex(x, y, m_palette->GetPixel(r, g, b));
 
   } else {
    ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3);
@@ -202,37 +209,37 @@ bool wxPNGReader::SetRGB(int x, int y, byte r, byte g, byte b)
 
 bool wxPNGReader::SetPalette(wxPalette* colourmap)
 {
-  delete Palette ;
+  delete m_palette ;
   if (!colourmap)
    return FALSE;
   ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR);
-  Palette = new wxPalette( *colourmap );
+  m_palette = new wxPalette( *colourmap );
        return true ;
-//  return (DibSetUsage(lpbi, (HPALETTE) Palette->GetHPALETTE(), WXIMA_COLORS ) != 0);
+//  return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0);
 }
 
 bool
 wxPNGReader::SetPalette(int n, byte *r, byte *g, byte *b)
 {
-  delete Palette ;
-  Palette = new wxPalette();
-  if (!Palette)
+  delete m_palette ;
+  m_palette = new wxPalette();
+  if (!m_palette)
    return FALSE;
 
   if (!g) g = r;
   if (!b) b = g;
-  Palette->Create(n, r, g, b);
+  m_palette->Create(n, r, g, b);
   ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR);
        return true ;
-//    return (DibSetUsage(lpbi, (HPALETTE) Palette->GetHPALETTE(), WXIMA_COLORS ) != 0);
+//    return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0);
 }
 
 bool
 wxPNGReader::SetPalette(int n, rgb_color_struct *rgb_struct)
 {
-  delete Palette ;
-  Palette = new wxPalette();
-  if (!Palette)
+  delete m_palette ;
+  m_palette = new wxPalette();
+  if (!m_palette)
    return FALSE;
 
   byte r[256], g[256], b[256];
@@ -249,20 +256,22 @@ wxPNGReader::SetPalette(int n, rgb_color_struct *rgb_struct)
   if (bgindex != -1)
     r[bgindex] = g[bgindex] = b[bgindex] = 0;
 
-  Palette->Create(n, r, g, b);
+  m_palette->Create(n, r, g, b);
   ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR);
        return true ;
-//    return (DibSetUsage(lpbi, (HPALETTE) Palette->GetHPALETTE(), WXIMA_COLORS ) != 0);
+//    return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0);
 }
 
 void wxPNGReader::NullData()
 {
   if (lpbi)  {
-       wxMacDestroyGWorld( lpbi ) ;
+       wxMacDestroyGWorld( (GWorldPtr) lpbi ) ;
+        lpbi = NULL;
+  }
+  if (m_palette != NULL) {
+      delete m_palette;
+      m_palette = NULL;
   }
-  delete Palette;
-  lpbi = NULL;
-  Palette = NULL;
 }
 
 wxBitmap* wxPNGReader::GetBitmap(void)
@@ -285,8 +294,8 @@ bool wxPNGReader::InstantiateBitmap(wxBitmap *bitmap)
       bitmap->SetWidth(GetWidth());
       bitmap->SetHeight(GetHeight());
       bitmap->SetDepth(GetDepth());
-      if ( GetDepth() > 1 && Palette )
-        bitmap->SetPalette(*Palette);
+      if ( GetDepth() > 1 && m_palette )
+        bitmap->SetPalette(*m_palette);
       bitmap->SetOk(TRUE);
 
 
@@ -317,9 +326,9 @@ bool wxPNGReader::InstantiateBitmap(wxBitmap *bitmap)
         ReleaseDC(NULL, dc2);
         HBITMAP oldBitmap = (HBITMAP) ::SelectObject(dc, tmpBitmap);
 
-        if ( Palette )
+        if ( m_palette )
         {
-            HPALETTE oldPal = ::SelectPalette(dc, (HPALETTE) Palette->GetHPALETTE(), FALSE);
+            HPALETTE oldPal = ::SelectPalette(dc, (HPALETTE) m_palette->GetHPALETTE(), FALSE);
         ::RealizePalette(dc);
         }
 
@@ -337,8 +346,8 @@ bool wxPNGReader::InstantiateBitmap(wxBitmap *bitmap)
           bitmap->SetWidth(GetWidth());
           bitmap->SetHeight(GetHeight());
           bitmap->SetDepth(GetDepth());
-          if ( GetDepth() > 1 && Palette )
-            bitmap->SetPalette(*Palette);
+          if ( GetDepth() > 1 && m_palette )
+            bitmap->SetPalette(*m_palette);
           bitmap->SetOk(TRUE);
 
 
@@ -414,11 +423,8 @@ bool wxPNGReader::ReadFile(char * ImageFileName)
   wxPNGReaderIter iter(this);
 
   /* open the file */
-#ifndef __UNIX__
-  fp = fopen(wxUnix2MacFilename( ImageFileName ), "rb");
-#else
   fp = fopen( ImageFileName , "rb" );
-#endif
+
   if (!fp)
     return FALSE;
 
@@ -434,7 +440,7 @@ bool wxPNGReader::ReadFile(char * ImageFileName)
   if (!info_ptr)
   {
     fclose(fp);
-    delete(png_ptr);
+    delete png_ptr;
     return FALSE;
   }
   /* set error handling */
@@ -442,8 +448,8 @@ bool wxPNGReader::ReadFile(char * ImageFileName)
   {
     png_read_destroy(png_ptr, info_ptr, (png_info *)0);
     fclose(fp);
-    delete(png_ptr);
-    delete(info_ptr);
+    delete png_ptr;
+    delete info_ptr;
 
     /* If we get here, we had a problem reading the file */
     return FALSE;
@@ -515,7 +521,7 @@ bool wxPNGReader::ReadFile(char * ImageFileName)
                
                GetGWorld( &origPort , &origDevice ) ;
                // ignore shapedc
-               SetGWorld( lpbi , NULL ) ;
+               SetGWorld( (GWorldPtr) lpbi , NULL ) ;
          do  
          {
        //    (unsigned char *)iter.GetRow();
@@ -625,8 +631,8 @@ bool wxPNGReader::ReadFile(char * ImageFileName)
   png_read_destroy(png_ptr, info_ptr, (png_info *)0);
 
   /* free the structures */
-  delete(png_ptr);
-  delete(info_ptr);
+  delete png_ptr;
+  delete info_ptr;
 
   /* close the file */
   fclose(fp);
@@ -665,7 +671,7 @@ bool wxPNGReader::SaveFile(char * ImageFileName)
   if (!info_ptr)
   {
     fclose(fp);
-    delete(png_ptr);
+    delete png_ptr;
     return FALSE;
   }
 
@@ -674,8 +680,8 @@ bool wxPNGReader::SaveFile(char * ImageFileName)
   {
     png_write_destroy(png_ptr);
     fclose(fp);
-    delete(png_ptr);
-    delete(info_ptr);
+    delete png_ptr;
+    delete info_ptr;
 
     /* If we get here, we had a problem reading the file */
     return FALSE;
@@ -772,8 +778,8 @@ bool wxPNGReader::SaveFile(char * ImageFileName)
     delete[] (info_ptr->palette);
 
   /* free the structures */
-  delete(png_ptr);
-  delete(info_ptr);
+  delete png_ptr;
+  delete info_ptr;
 
   /* close the file */
   fclose(fp);
@@ -826,7 +832,7 @@ bool wxPNGReader::SaveXPM(char *filename, char *name)
     if ( !GetPalette() )
         return FALSE;
 
-    ofstream str(filename);
+    wxSTD ofstream str(filename);
     if ( str.bad() )
         return FALSE;
 
@@ -890,7 +896,7 @@ bool wxPNGFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long fla
         return FALSE;
 }
 
-bool wxPNGFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *pal)
+bool wxPNGFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *pal)
 {
     return FALSE;
 }