+
+bool wxImage::Ok() const
+{
+ // image of 0 width or height can't be considered ok - at least because it
+ // causes crashes in ConvertToBitmap() if we don't catch it in time
+ wxImageRefData *data = M_IMGDATA;
+ return data && data->m_ok && data->m_width && data->m_height;
+}
+
+char unsigned *wxImage::GetData() const
+{
+ wxCHECK_MSG( Ok(), (char unsigned *)NULL, wxT("invalid image") );
+
+ return M_IMGDATA->m_data;
+}
+
+void wxImage::SetData( char unsigned *data )
+{
+ wxCHECK_RET( Ok(), wxT("invalid image") );
+
+ wxImageRefData *newRefData = new wxImageRefData();
+
+ newRefData->m_width = M_IMGDATA->m_width;
+ newRefData->m_height = M_IMGDATA->m_height;
+ newRefData->m_data = data;
+ newRefData->m_ok = TRUE;
+ newRefData->m_maskRed = M_IMGDATA->m_maskRed;
+ newRefData->m_maskGreen = M_IMGDATA->m_maskGreen;
+ newRefData->m_maskBlue = M_IMGDATA->m_maskBlue;
+ newRefData->m_hasMask = M_IMGDATA->m_hasMask;
+
+ UnRef();
+
+ m_refData = newRefData;
+}
+
+void wxImage::SetData( char unsigned *data, int new_width, int new_height )
+{
+ wxImageRefData *newRefData = new wxImageRefData();
+
+ if (m_refData)
+ {
+ newRefData->m_width = new_width;
+ newRefData->m_height = new_height;
+ newRefData->m_data = data;
+ newRefData->m_ok = TRUE;
+ newRefData->m_maskRed = M_IMGDATA->m_maskRed;
+ newRefData->m_maskGreen = M_IMGDATA->m_maskGreen;
+ newRefData->m_maskBlue = M_IMGDATA->m_maskBlue;
+ newRefData->m_hasMask = M_IMGDATA->m_hasMask;
+ }
+ else
+ {
+ newRefData->m_width = new_width;
+ newRefData->m_height = new_height;
+ newRefData->m_data = data;
+ newRefData->m_ok = TRUE;
+ }
+
+ UnRef();
+
+ m_refData = newRefData;
+}
+
+void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b )
+{
+ wxCHECK_RET( Ok(), wxT("invalid image") );
+
+ M_IMGDATA->m_maskRed = r;
+ M_IMGDATA->m_maskGreen = g;
+ M_IMGDATA->m_maskBlue = b;
+ M_IMGDATA->m_hasMask = TRUE;
+}
+
+unsigned char wxImage::GetMaskRed() const
+{
+ wxCHECK_MSG( Ok(), 0, wxT("invalid image") );
+
+ return M_IMGDATA->m_maskRed;
+}
+
+unsigned char wxImage::GetMaskGreen() const
+{
+ wxCHECK_MSG( Ok(), 0, wxT("invalid image") );
+
+ return M_IMGDATA->m_maskGreen;
+}
+
+unsigned char wxImage::GetMaskBlue() const
+{
+ wxCHECK_MSG( Ok(), 0, wxT("invalid image") );
+
+ return M_IMGDATA->m_maskBlue;
+}
+
+void wxImage::SetMask( bool mask )
+{
+ wxCHECK_RET( Ok(), wxT("invalid image") );
+
+ M_IMGDATA->m_hasMask = mask;
+}
+
+bool wxImage::HasMask() const
+{
+ wxCHECK_MSG( Ok(), FALSE, wxT("invalid image") );
+
+ return M_IMGDATA->m_hasMask;
+}
+
+int wxImage::GetWidth() const
+{
+ wxCHECK_MSG( Ok(), 0, wxT("invalid image") );
+
+ return M_IMGDATA->m_width;
+}
+
+int wxImage::GetHeight() const
+{
+ wxCHECK_MSG( Ok(), 0, wxT("invalid image") );
+
+ return M_IMGDATA->m_height;
+}
+
+#if wxUSE_PALETTE
+
+// Palette functions
+
+bool wxImage::HasPalette() const
+{
+ if (!Ok())
+ return FALSE;
+
+ return M_IMGDATA->m_palette.Ok();
+}
+
+const wxPalette& wxImage::GetPalette() const
+{
+ wxCHECK_MSG( Ok(), wxNullPalette, wxT("invalid image") );
+
+ return M_IMGDATA->m_palette;
+}
+
+void wxImage::SetPalette(const wxPalette& palette)
+{
+ wxCHECK_RET( Ok(), wxT("invalid image") );
+
+ M_IMGDATA->m_palette = palette;
+}
+
+#endif // wxUSE_PALETTE
+
+// Option functions (arbitrary name/value mapping)
+void wxImage::SetOption(const wxString& name, const wxString& value)
+{
+ wxCHECK_RET( Ok(), wxT("invalid image") );
+
+ int idx = M_IMGDATA->m_optionNames.Index(name, FALSE);
+ if (idx == wxNOT_FOUND)
+ {
+ M_IMGDATA->m_optionNames.Add(name);
+ M_IMGDATA->m_optionValues.Add(value);
+ }
+ else
+ {
+ M_IMGDATA->m_optionNames[idx] = name;
+ M_IMGDATA->m_optionValues[idx] = value;
+ }
+}
+
+void wxImage::SetOption(const wxString& name, int value)
+{
+ wxString valStr;
+ valStr.Printf(wxT("%d"), value);
+ SetOption(name, valStr);
+}
+
+wxString wxImage::GetOption(const wxString& name) const
+{
+ wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid image") );
+
+ int idx = M_IMGDATA->m_optionNames.Index(name, FALSE);
+ if (idx == wxNOT_FOUND)
+ return wxEmptyString;
+ else
+ return M_IMGDATA->m_optionValues[idx];
+}
+
+int wxImage::GetOptionInt(const wxString& name) const
+{
+ wxCHECK_MSG( Ok(), 0, wxT("invalid image") );
+
+ return wxAtoi(GetOption(name));
+}
+
+bool wxImage::HasOption(const wxString& name) const
+{
+ wxCHECK_MSG( Ok(), FALSE, wxT("invalid image") );
+
+ return (M_IMGDATA->m_optionNames.Index(name, FALSE) != wxNOT_FOUND);
+}
+
+bool wxImage::LoadFile( const wxString& filename, long type )
+{
+#if wxUSE_STREAMS
+ if (wxFileExists(filename))
+ {
+ wxFileInputStream stream(filename);
+ wxBufferedInputStream bstream( stream );
+ return LoadFile(bstream, type);
+ }
+ else
+ {
+ wxLogError( _("Can't load image from file '%s': file does not exist."), filename.c_str() );
+
+ return FALSE;
+ }
+#else // !wxUSE_STREAMS
+ return FALSE;
+#endif // wxUSE_STREAMS
projects / wxWidgets.git / blobdiff