X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/655719367ac5e131d9642e5783f3ecf64d1a3385..b132a83bffa4f9855fb02c7c82d48cee33a69b1a:/src/common/iconbndl.cpp diff --git a/src/common/iconbndl.cpp b/src/common/iconbndl.cpp index 2fa8344534..186d4df0cc 100644 --- a/src/common/iconbndl.cpp +++ b/src/common/iconbndl.cpp @@ -1,17 +1,13 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: iconbndl.cpp +// Name: src/common/iconbndl.cpp // Purpose: wxIconBundle -// Author: Mattia Barbon +// Author: Mattia Barbon, Vadim Zeitlin // Created: 23.03.2002 // RCS-ID: $Id$ // Copyright: (c) Mattia barbon // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "iconbndl.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -19,120 +15,279 @@ #pragma hdrstop #endif +#include "wx/iconbndl.h" + #ifndef WX_PRECOMP #include "wx/settings.h" - #include "wx/icon.h" #include "wx/log.h" #include "wx/intl.h" #include "wx/bitmap.h" -#endif - -#if wxUSE_IMAGE && !defined(_WX_IMAGE_H_) #include "wx/image.h" + #include "wx/stream.h" #endif -#include "wx/iconbndl.h" -#include "wx/arrimpl.cpp" +#include "wx/wfstream.h" +#include "wx/arrimpl.cpp" WX_DEFINE_OBJARRAY(wxIconArray) -const wxIconBundle& wxIconBundle::operator =( const wxIconBundle& ic ) +IMPLEMENT_DYNAMIC_CLASS(wxIconBundle, wxGDIObject) + +#define M_ICONBUNDLEDATA static_cast(m_refData) + +// ---------------------------------------------------------------------------- +// wxIconBundleRefData +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxIconBundleRefData : public wxGDIRefData { - if( this == &ic ) return *this; +public: + wxIconBundleRefData() { } + + // We need the copy ctor for CloneGDIRefData() but notice that we use the + // base class default ctor in it and not the copy one which it doesn't have. + wxIconBundleRefData(const wxIconBundleRefData& other) + : wxGDIRefData(), + m_icons(other.m_icons) + { + } + + // default assignment operator and dtor are ok + + virtual bool IsOk() const { return !m_icons.empty(); } - size_t i, max = ic.m_icons.GetCount(); + wxIconArray m_icons; +}; - DeleteIcons(); - for( i = 0; i < max; ++i ) - m_icons.Add( ic.m_icons[i] ); +// ============================================================================ +// wxIconBundle implementation +// ============================================================================ - return *this; +wxIconBundle::wxIconBundle() +{ +} + +#if wxUSE_STREAMS && wxUSE_IMAGE + +#if wxUSE_FFILE || wxUSE_FILE +wxIconBundle::wxIconBundle(const wxString& file, wxBitmapType type) + : wxGDIObject() +{ + AddIcon(file, type); +} +#endif // wxUSE_FFILE || wxUSE_FILE + +wxIconBundle::wxIconBundle(wxInputStream& stream, wxBitmapType type) + : wxGDIObject() +{ + AddIcon(stream, type); +} +#endif // wxUSE_STREAMS && wxUSE_IMAGE + +wxIconBundle::wxIconBundle(const wxIcon& icon) + : wxGDIObject() +{ + AddIcon(icon); +} + +wxGDIRefData *wxIconBundle::CreateGDIRefData() const +{ + return new wxIconBundleRefData; +} + +wxGDIRefData *wxIconBundle::CloneGDIRefData(const wxGDIRefData *data) const +{ + return new wxIconBundleRefData(*static_cast(data)); } void wxIconBundle::DeleteIcons() { - m_icons.Empty(); + UnRef(); } -#if wxUSE_IMAGE -void wxIconBundle::AddIcon( const wxString& file, long type ) -#else -void wxIconBundle::AddIcon( const wxString& WXUNUSED(file), long WXUNUSED(type) ) -#endif +#if wxUSE_STREAMS && wxUSE_IMAGE + +namespace +{ + +// Adds icon from 'input' to the bundle. Shows 'errorMessage' on failure +// (it must contain "%d", because it is used to report # of image in the file +// that failed to load): +void DoAddIcon(wxIconBundle& bundle, + wxInputStream& input, + wxBitmapType type, + const wxString& errorMessage) { -#if wxUSE_IMAGE - size_t count = wxImage::GetImageCount( file, type ); - size_t i; wxImage image; - for( i = 0; i < count; ++i ) + const wxFileOffset posOrig = input.TellI(); + + const size_t count = wxImage::GetImageCount(input, type); + for ( size_t i = 0; i < count; ++i ) { - if( !image.LoadFile( file, type, i ) ) + if ( i ) + { + // the call to LoadFile() for the first sub-image updated the + // stream position but we need to start reading the subsequent + // sub-image at the image beginning too + input.SeekI(posOrig); + } + + if ( !image.LoadFile(input, type, i) ) { - wxLogError( _("Failed to load image %d from file '%s'."), - i, file.c_str() ); + wxLogError(errorMessage, i); continue; } - wxIcon* tmp = new wxIcon(); - tmp->CopyFromBitmap( wxBitmap( image ) ); - AddIcon( *tmp ); - delete tmp; + if ( type == wxBITMAP_TYPE_ANY ) + { + // store the type so that we don't need to try all handlers again + // for the subsequent images, they should all be of the same type + type = image.GetType(); + } + + wxIcon tmp; + tmp.CopyFromBitmap(wxBitmap(image)); + bundle.AddIcon(tmp); } -#endif } -const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const -{ - size_t i, max = m_icons.GetCount(); - wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ), - sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y ); +} // anonymous namespace - wxIcon *sysIcon = 0; - // temp. variable needed to fix Borland C++ 5.5.1 problem - // with passing a return value through two functions - wxIcon *tmp; +#if wxUSE_FFILE || wxUSE_FILE - for( i = 0; i < max; i++ ) +void wxIconBundle::AddIcon(const wxString& file, wxBitmapType type) +{ +#ifdef __WXMAC__ + // Deal with standard icons + if ( type == wxBITMAP_TYPE_ICON_RESOURCE ) { - if( !m_icons[i].Ok() ) - continue; - wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight(); - // requested size - if( sx == size.x && sy == size.y ) + wxIcon tmp(file, type); + if (tmp.IsOk()) { - tmp = &m_icons[i]; // fix for broken BCC - return *tmp; + AddIcon(tmp); + return; } - // keep track if there is a system-size icon - if( sx == sysX && sy == sysY ) - sysIcon = &m_icons[i]; } +#endif // __WXMAC__ + +#if wxUSE_FFILE + wxFFileInputStream stream(file); +#elif wxUSE_FILE + wxFileInputStream stream(file); +#endif + DoAddIcon + ( + *this, + stream, type, + wxString::Format(_("Failed to load image %%d from file '%s'."), file) + ); +} - // return the system-sized icon if we've got one - if( sysIcon ) return *sysIcon; - // return the first icon, if we have one - if( max > 0 ) // fix for broken BCC - tmp = &m_icons[0]; - else - tmp = &wxNullIcon; - return *tmp; +#endif // wxUSE_FFILE || wxUSE_FILE + +void wxIconBundle::AddIcon(wxInputStream& stream, wxBitmapType type) +{ + DoAddIcon(*this, stream, type, _("Failed to load image %d from stream.")); } -void wxIconBundle::AddIcon( const wxIcon& icon ) +#endif // wxUSE_STREAMS && wxUSE_IMAGE + +wxIcon wxIconBundle::GetIcon(const wxSize& size) const { - size_t i, max = m_icons.GetCount(); + const size_t count = GetIconCount(); - for( i = 0; i < max; ++i ) + // optimize for the common case of icon bundles containing one icon only + wxIcon iconBest; + switch ( count ) { - wxIcon& tmp = m_icons[i]; - if( tmp.Ok() && tmp.GetWidth() == icon.GetWidth() && - tmp.GetHeight() == icon.GetHeight() ) + case 0: + // nothing to do, iconBest is already invalid + break; + + case 1: + iconBest = M_ICONBUNDLEDATA->m_icons[0]; + break; + + default: + // there is more than one icon, find the best match: + wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ), + sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y ); + + const wxIconArray& iconArray = M_ICONBUNDLEDATA->m_icons; + for ( size_t i = 0; i < count; i++ ) + { + const wxIcon& icon = iconArray[i]; + wxCoord sx = icon.GetWidth(), + sy = icon.GetHeight(); + + // if we got an icon of exactly the requested size, we're done + if ( sx == size.x && sy == size.y ) + { + iconBest = icon; + break; + } + + // the best icon is by default (arbitrarily) the first one but + // if we find a system-sized icon, take it instead + if ((sx == sysX && sy == sysY) || !iconBest.IsOk()) + iconBest = icon; + } + } + +#if defined( __WXMAC__ ) && wxOSX_USE_CARBON + return wxIcon(iconBest.GetHICON(), size); +#else + return iconBest; +#endif +} + +wxIcon wxIconBundle::GetIconOfExactSize(const wxSize& size) const +{ + wxIcon icon = GetIcon(size); + if ( icon.IsOk() && + (icon.GetWidth() != size.x || icon.GetHeight() != size.y) ) + { + icon = wxNullIcon; + } + + return icon; +} + +void wxIconBundle::AddIcon(const wxIcon& icon) +{ + wxCHECK_RET( icon.IsOk(), wxT("invalid icon") ); + + AllocExclusive(); + + wxIconArray& iconArray = M_ICONBUNDLEDATA->m_icons; + + // replace existing icon with the same size if we already have it + const size_t count = iconArray.size(); + for ( size_t i = 0; i < count; ++i ) + { + wxIcon& tmp = iconArray[i]; + if ( tmp.IsOk() && + tmp.GetWidth() == icon.GetWidth() && + tmp.GetHeight() == icon.GetHeight() ) { tmp = icon; return; } } - m_icons.Add( icon ); + // if we don't, add an icon with new size + iconArray.Add(icon); +} + +size_t wxIconBundle::GetIconCount() const +{ + return IsOk() ? M_ICONBUNDLEDATA->m_icons.size() : 0; +} + +wxIcon wxIconBundle::GetIconByIndex(size_t n) const +{ + wxCHECK_MSG( n < GetIconCount(), wxNullIcon, wxT("invalid index") ); + + return M_ICONBUNDLEDATA->m_icons[n]; }