renamed wxRect::Inside() to wxRect::Contains(), wxRect::Inside(wxRect) is too confusing

[wxWidgets.git] / src / common / image.cpp

diff --git a/src/common/image.cpp b/src/common/image.cpp
index 0a67c8d50bd9bd203429512129c5bc422129c2aa..545afb130143fb22dd9e3ff87b44ca03b897c948 100644 (file)
--- a/src/common/image.cpp
+++ b/src/common/image.cpp
@@ -20,17 +20,16 @@
 
 #ifndef WX_PRECOMP
     #include "wx/log.h"
-    #include "wx/app.h"
     #include "wx/hash.h"
     #include "wx/utils.h"
-    #include "wx/bitmap.h"
     #include "wx/math.h"
+    #include "wx/module.h"
+    #include "wx/palette.h"
+    #include "wx/intl.h"
 #endif
 
 #include "wx/filefn.h"
 #include "wx/wfstream.h"
-#include "wx/intl.h"
-#include "wx/module.h"
 
 #if wxUSE_XPM
     #include "wx/xpmdecod.h"
@@ -39,6 +38,19 @@
 // For memcpy
 #include <string.h>
 
+// make the code compile with either wxFile*Stream or wxFFile*Stream:
+#define HAS_FILE_STREAMS (wxUSE_STREAMS && (wxUSE_FILE || wxUSE_FFILE))
+
+#if HAS_FILE_STREAMS
+    #if wxUSE_FILE
+        typedef wxFileInputStream wxImageFileInputStream;
+        typedef wxFileOutputStream wxImageFileOutputStream;
+    #elif wxUSE_FFILE
+        typedef wxFFileInputStream wxImageFileInputStream;
+        typedef wxFFileOutputStream wxImageFileOutputStream;
+    #endif // wxUSE_FILE/wxUSE_FFILE
+#endif // HAS_FILE_STREAMS
+
 //-----------------------------------------------------------------------------
 // wxImage
 //-----------------------------------------------------------------------------
@@ -108,7 +120,7 @@ wxImage wxNullImage;
 
 //-----------------------------------------------------------------------------
 
-#define M_IMGDATA ((wxImageRefData *)m_refData)
+#define M_IMGDATA wx_static_cast(wxImageRefData*, m_refData)
 
 IMPLEMENT_DYNAMIC_CLASS(wxImage, wxObject)
 
@@ -235,36 +247,48 @@ void wxImage::Destroy()
     UnRef();
 }
 
-wxImage wxImage::Copy() const
+wxObjectRefData* wxImage::CreateRefData() const
 {
-    wxImage image;
-
-    wxCHECK_MSG( Ok(), image, wxT("invalid image") );
-
-    image.Create( M_IMGDATA->m_width, M_IMGDATA->m_height, false );
-
-    unsigned char *data = image.GetData();
-
-    wxCHECK_MSG( data, image, wxT("unable to create image") );
-
-    image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue );
-    image.SetMask( M_IMGDATA->m_hasMask );
-
-    memcpy( data, GetData(), M_IMGDATA->m_width*M_IMGDATA->m_height*3 );
+    return new wxImageRefData;
+}
 
-    wxImageRefData *imgData = (wxImageRefData *)image.m_refData;
+wxObjectRefData* wxImage::CloneRefData(const wxObjectRefData* that) const
+{
+    const wxImageRefData* refData = wx_static_cast(const wxImageRefData*, that);
+    wxCHECK_MSG(refData->m_ok, NULL, wxT("invalid image") );
 
-    // also copy the alpha channel
-    if (HasAlpha())
+    wxImageRefData* refData_new = new wxImageRefData;
+    refData_new->m_width = refData->m_width;
+    refData_new->m_height = refData->m_height;
+    refData_new->m_maskRed = refData->m_maskRed;
+    refData_new->m_maskGreen = refData->m_maskGreen;
+    refData_new->m_maskBlue = refData->m_maskBlue;
+    refData_new->m_hasMask = refData->m_hasMask;
+    refData_new->m_ok = true;
+    unsigned size = unsigned(refData->m_width) * unsigned(refData->m_height);
+    if (refData->m_alpha != NULL)
     {
-        image.SetAlpha();
-        unsigned char* alpha = image.GetAlpha();
-        memcpy( alpha, GetAlpha(), M_IMGDATA->m_width*M_IMGDATA->m_height );
+        refData_new->m_alpha = (unsigned char*)malloc(size);
+        memcpy(refData_new->m_alpha, refData->m_alpha, size);
     }
+    size *= 3;
+    refData_new->m_data = (unsigned char*)malloc(size);
+    memcpy(refData_new->m_data, refData->m_data, size);
+#if wxUSE_PALETTE
+    refData_new->m_palette = refData->m_palette;
+#endif
+    refData_new->m_optionNames = refData->m_optionNames;
+    refData_new->m_optionValues = refData->m_optionValues;
+    return refData_new;
+}
+
+wxImage wxImage::Copy() const
+{
+    wxImage image;
 
-    // also copy the image options
-    imgData->m_optionNames = M_IMGDATA->m_optionNames;
-    imgData->m_optionValues = M_IMGDATA->m_optionValues;
+    wxCHECK_MSG( Ok(), image, wxT("invalid image") );
+
+    image.m_refData = CloneRefData(m_refData);
 
     return image;
 }
@@ -272,7 +296,7 @@ wxImage wxImage::Copy() const
 wxImage wxImage::ShrinkBy( int xFactor , int yFactor ) const
 {
     if( xFactor == 1 && yFactor == 1 )
-        return Copy() ;
+        return *this;
 
     wxImage image;
 
@@ -731,6 +755,8 @@ void wxImage::Paste( const wxImage &image, int x, int y )
     wxCHECK_RET( Ok(), wxT("invalid image") );
     wxCHECK_RET( image.Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     int xx = 0;
     int yy = 0;
     int width = image.GetWidth();
@@ -812,6 +838,8 @@ void wxImage::Replace( unsigned char r1, unsigned char g1, unsigned char b1,
 {
     wxCHECK_RET( Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     unsigned char *data = GetData();
 
     const int w = GetWidth();
@@ -948,6 +976,8 @@ void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned c
     long pos = XYToIndex(x, y);
     wxCHECK_RET( pos != -1, wxT("invalid image coordinates") );
 
+    AllocExclusive();
+
     pos *= 3;
 
     M_IMGDATA->m_data[ pos   ] = r;
@@ -959,6 +989,8 @@ void wxImage::SetRGB( const wxRect& rect_, unsigned char r, unsigned char g, uns
 {
     wxCHECK_RET( Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     wxRect rect(rect_);
     wxRect imageRect(0, 0, GetWidth(), GetHeight());
     if ( rect == wxRect() )
@@ -1097,6 +1129,8 @@ void wxImage::SetAlpha(int x, int y, unsigned char alpha)
     long pos = XYToIndex(x, y);
     wxCHECK_RET( pos != -1, wxT("invalid image coordinates") );
 
+    AllocExclusive();
+
     M_IMGDATA->m_alpha[pos] = alpha;
 }
 
@@ -1139,6 +1173,8 @@ void wxImage::SetAlpha( unsigned char *alpha, bool static_data )
 {
     wxCHECK_RET( Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     if ( !alpha )
     {
         alpha = (unsigned char *)malloc(M_IMGDATA->m_width*M_IMGDATA->m_height);
@@ -1200,6 +1236,8 @@ void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b )
 {
     wxCHECK_RET( Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     M_IMGDATA->m_maskRed = r;
     M_IMGDATA->m_maskGreen = g;
     M_IMGDATA->m_maskBlue = b;
@@ -1249,6 +1287,8 @@ void wxImage::SetMask( bool mask )
 {
     wxCHECK_RET( Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     M_IMGDATA->m_hasMask = mask;
 }
 
@@ -1308,6 +1348,8 @@ bool wxImage::SetMaskFromImage(const wxImage& mask,
         return false ;
     }
 
+    AllocExclusive();
+
     unsigned char *imgdata = GetData();
     unsigned char *maskdata = mask.GetData();
 
@@ -1347,6 +1389,8 @@ bool wxImage::ConvertAlphaToMask(unsigned char threshold)
         return false;
     }
 
+    AllocExclusive();
+
     SetMask(true);
     SetMaskColour(mr, mg, mb);
 
@@ -1400,6 +1444,8 @@ void wxImage::SetPalette(const wxPalette& palette)
 {
     wxCHECK_RET( Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     M_IMGDATA->m_palette = palette;
 }
 
@@ -1413,6 +1459,8 @@ void wxImage::SetOption(const wxString& name, const wxString& value)
 {
     wxCHECK_RET( Ok(), wxT("invalid image") );
 
+    AllocExclusive();
+
     int idx = M_IMGDATA->m_optionNames.Index(name, false);
     if (idx == wxNOT_FOUND)
     {
@@ -1464,10 +1512,10 @@ bool wxImage::LoadFile( const wxString& WXUNUSED_UNLESS_STREAMS(filename),
                         long WXUNUSED_UNLESS_STREAMS(type),
                         int WXUNUSED_UNLESS_STREAMS(index) )
 {
-#if wxUSE_STREAMS
+#if HAS_FILE_STREAMS
     if (wxFileExists(filename))
     {
-        wxFileInputStream stream(filename);
+        wxImageFileInputStream stream(filename);
         wxBufferedInputStream bstream( stream );
         return LoadFile(bstream, type, index);
     }
@@ -1477,19 +1525,19 @@ bool wxImage::LoadFile( const wxString& WXUNUSED_UNLESS_STREAMS(filename),
 
         return false;
     }
-#else // !wxUSE_STREAMS
+#else // !HAS_FILE_STREAMS
     return false;
-#endif // wxUSE_STREAMS
+#endif // HAS_FILE_STREAMS
 }
 
 bool wxImage::LoadFile( const wxString& WXUNUSED_UNLESS_STREAMS(filename),
                         const wxString& WXUNUSED_UNLESS_STREAMS(mimetype),
                         int WXUNUSED_UNLESS_STREAMS(index) )
 {
-#if wxUSE_STREAMS
+#if HAS_FILE_STREAMS
     if (wxFileExists(filename))
     {
-        wxFileInputStream stream(filename);
+        wxImageFileInputStream stream(filename);
         wxBufferedInputStream bstream( stream );
         return LoadFile(bstream, mimetype, index);
     }
@@ -1499,9 +1547,9 @@ bool wxImage::LoadFile( const wxString& WXUNUSED_UNLESS_STREAMS(filename),
 
         return false;
     }
-#else // !wxUSE_STREAMS
+#else // !HAS_FILE_STREAMS
     return false;
-#endif // wxUSE_STREAMS
+#endif // HAS_FILE_STREAMS
 }
 
 
@@ -1525,19 +1573,19 @@ bool wxImage::SaveFile( const wxString& filename ) const
 bool wxImage::SaveFile( const wxString& WXUNUSED_UNLESS_STREAMS(filename),
                         int WXUNUSED_UNLESS_STREAMS(type) ) const
 {
-#if wxUSE_STREAMS
+#if HAS_FILE_STREAMS
     wxCHECK_MSG( Ok(), false, wxT("invalid image") );
 
     ((wxImage*)this)->SetOption(wxIMAGE_OPTION_FILENAME, filename);
 
-    wxFileOutputStream stream(filename);
+    wxImageFileOutputStream stream(filename);
 
     if ( stream.IsOk() )
     {
         wxBufferedOutputStream bstream( stream );
         return SaveFile(bstream, type);
     }
-#endif // wxUSE_STREAMS
+#endif // HAS_FILE_STREAMS
 
     return false;
 }
@@ -1545,27 +1593,27 @@ bool wxImage::SaveFile( const wxString& WXUNUSED_UNLESS_STREAMS(filename),
 bool wxImage::SaveFile( const wxString& WXUNUSED_UNLESS_STREAMS(filename),
                         const wxString& WXUNUSED_UNLESS_STREAMS(mimetype) ) const
 {
-#if wxUSE_STREAMS
+#if HAS_FILE_STREAMS
     wxCHECK_MSG( Ok(), false, wxT("invalid image") );
 
     ((wxImage*)this)->SetOption(wxIMAGE_OPTION_FILENAME, filename);
 
-    wxFileOutputStream stream(filename);
+    wxImageFileOutputStream stream(filename);
 
     if ( stream.IsOk() )
     {
         wxBufferedOutputStream bstream( stream );
         return SaveFile(bstream, mimetype);
     }
-#endif // wxUSE_STREAMS
+#endif // HAS_FILE_STREAMS
 
     return false;
 }
 
 bool wxImage::CanRead( const wxString& WXUNUSED_UNLESS_STREAMS(name) )
 {
-#if wxUSE_STREAMS
-    wxFileInputStream stream(name);
+#if HAS_FILE_STREAMS
+    wxImageFileInputStream stream(name);
     return CanRead(stream);
 #else
     return false;
@@ -1575,8 +1623,8 @@ bool wxImage::CanRead( const wxString& WXUNUSED_UNLESS_STREAMS(name) )
 int wxImage::GetImageCount( const wxString& WXUNUSED_UNLESS_STREAMS(name),
                             long WXUNUSED_UNLESS_STREAMS(type) )
 {
-#if wxUSE_STREAMS
-    wxFileInputStream stream(name);
+#if HAS_FILE_STREAMS
+    wxImageFileInputStream stream(name);
     if (stream.Ok())
         return GetImageCount(stream, type);
 #endif
@@ -1624,7 +1672,7 @@ int wxImage::GetImageCount( wxInputStream &stream, long type )
 
     if ( !handler )
     {
-        wxLogWarning(_("No image handler for type %d defined."), type);
+        wxLogWarning(_("No image handler for type %ld defined."), type);
         return false;
     }
 
@@ -1634,7 +1682,7 @@ int wxImage::GetImageCount( wxInputStream &stream, long type )
     }
     else
     {
-        wxLogError(_("Image file is not of type %d."), type);
+        wxLogError(_("Image file is not of type %ld."), type);
         return 0;
     }
 }
@@ -1667,14 +1715,14 @@ bool wxImage::LoadFile( wxInputStream& stream, long type, int index )
 
     if (handler == 0)
     {
-        wxLogWarning( _("No image handler for type %d defined."), type );
+        wxLogWarning( _("No image handler for type %ld defined."), type );
 
         return false;
     }
 
     if (stream.IsSeekable() && !handler->CanRead(stream))
     {
-        wxLogError(_("Image file is not of type %d."), type);
+        wxLogError(_("Image file is not of type %ld."), type);
         return false;
     }
     else
@@ -2017,6 +2065,8 @@ wxImage::RGBValue wxImage::HSVtoRGB(const HSVValue& hsv)
  */
 void wxImage::RotateHue(double angle)
 {
+    AllocExclusive();
+
     unsigned char *srcBytePtr;
     unsigned char *dstBytePtr;
     unsigned long count;
@@ -2076,7 +2126,7 @@ bool wxImageHandler::CanRead( const wxString& name )
 {
     if (wxFileExists(name))
     {
-        wxFileInputStream stream(name);
+        wxImageFileInputStream stream(name);
         return CanRead(stream);
     }