X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d5309f580333db2f4c3682ffecc7e389a19bd32f..9ba371fa05c50f65e887ca894518f293b4f88c25:/src/common/iconbndl.cpp?ds=sidebyside diff --git a/src/common/iconbndl.cpp b/src/common/iconbndl.cpp index 479c5dd27c..d589943453 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 ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "iconbndl.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -19,99 +15,314 @@ #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" -#endif - -#ifndef _WX_IMAGE_H_ + #include "wx/bitmap.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 +{ +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(); } + + wxIconArray m_icons; +}; + +// ============================================================================ +// wxIconBundle implementation +// ============================================================================ + +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() { - if( this == &ic ) return *this; + AddIcon(stream, type); +} +#endif // wxUSE_STREAMS && wxUSE_IMAGE - size_t i, max = ic.m_icons.GetCount(); +wxIconBundle::wxIconBundle(const wxIcon& icon) + : wxGDIObject() +{ + AddIcon(icon); +} - DeleteIcons(); - for( i = 0; i < max; ++i ) - m_icons.Add( ic.m_icons[i] ); +wxGDIRefData *wxIconBundle::CreateGDIRefData() const +{ + return new wxIconBundleRefData; +} - return *this; +wxGDIRefData *wxIconBundle::CloneGDIRefData(const wxGDIRefData *data) const +{ + return new wxIconBundleRefData(*static_cast(data)); } void wxIconBundle::DeleteIcons() { - m_icons.Empty(); + UnRef(); } -void wxIconBundle::AddIcon( const wxString& file, long type ) +#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) { - size_t count = wxImage::GetImageCount( file, type ); - size_t i; wxImage image; - wxIcon tmp; - 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; } - tmp.CopyFromBitmap( wxBitmap( image ) ); - AddIcon( 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); } } -const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const +} // anonymous namespace + +#if wxUSE_FFILE || wxUSE_FILE + +void wxIconBundle::AddIcon(const wxString& file, wxBitmapType type) { - size_t i, max = m_icons.GetCount(); - wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ), - sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y ); - wxIcon* sysIcon = 0; +#ifdef __WXMAC__ + // Deal with standard icons + if ( type == wxBITMAP_TYPE_ICON_RESOURCE ) + { + wxIcon tmp(file, type); + if (tmp.IsOk()) + { + AddIcon(tmp); + return; + } + } +#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) + ); +} + +#endif // wxUSE_FFILE || wxUSE_FILE + +void wxIconBundle::AddIcon(wxInputStream& stream, wxBitmapType type) +{ + DoAddIcon(*this, stream, type, _("Failed to load image %d from stream.")); +} + +#endif // wxUSE_STREAMS && wxUSE_IMAGE + +wxIcon wxIconBundle::GetIcon(const wxSize& size, int flags) const +{ + wxASSERT( size == wxDefaultSize || (size.x >= 0 && size.y > 0) ); + + // We need the standard system icon size when using FALLBACK_SYSTEM. + wxCoord sysX = 0, + sysY = 0; + if ( flags & FALLBACK_SYSTEM ) + { + sysX = wxSystemSettings::GetMetric(wxSYS_ICON_X); + sysY = wxSystemSettings::GetMetric(wxSYS_ICON_Y); + } - for( i = 0; i < max; ++i ) + // If size == wxDefaultSize, we use system default icon size by convention. + wxCoord sizeX = size.x; + wxCoord sizeY = size.y; + if ( size == wxDefaultSize ) { - wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight(); - // requested size - if( sx == size.x && sy == size.y ) - return m_icons[i]; - // keep track if there is a system-size icon - if( sx == sysX && sy == sysY ) - sysIcon = &m_icons[i]; + wxASSERT_MSG( flags == FALLBACK_SYSTEM, + wxS("Must have valid size if not using FALLBACK_SYSTEM") ); + + sizeX = sysX; + sizeY = sysY; } - // return the system-sized icon if we've got one - if( sysIcon ) return *sysIcon; - // return the first icon, if we have one - return max > 0 ? m_icons[0] : wxNullIcon; + // Iterate over all icons searching for the exact match or the closest icon + // for FALLBACK_NEAREST_LARGER. + wxIcon iconBest; + int bestDiff = 0; + bool bestIsLarger = false; + bool bestIsSystem = false; + + const size_t count = GetIconCount(); + + const wxIconArray& iconArray = M_ICONBUNDLEDATA->m_icons; + for ( size_t i = 0; i < count; i++ ) + { + const wxIcon& icon = iconArray[i]; + if ( !icon.IsOk() ) + continue; + wxCoord sx = icon.GetWidth(), + sy = icon.GetHeight(); + + // Exact match ends search immediately in any case. + if ( sx == sizeX && sy == sizeY ) + { + iconBest = icon; + break; + } + + if ( flags & FALLBACK_SYSTEM ) + { + if ( sx == sysX && sy == sysY ) + { + iconBest = icon; + bestIsSystem = true; + continue; + } + } + + if ( !bestIsSystem && (flags & FALLBACK_NEAREST_LARGER) ) + { + bool iconLarger = (sx >= sizeX) && (sy >= sizeY); + int iconDiff = abs(sx - sizeX) + abs(sy - sizeY); + + // Use current icon as candidate for the best icon, if either: + // - we have no candidate yet + // - we have no candidate larger than desired size and current icon is + // - current icon is closer to desired size than candidate + if ( !iconBest.IsOk() || + (!bestIsLarger && iconLarger) || + (iconLarger && (iconDiff < bestDiff)) ) + { + iconBest = icon; + bestIsLarger = iconLarger; + bestDiff = iconDiff; + continue; + } + } + } + +#if defined( __WXMAC__ ) && wxOSX_USE_CARBON + if (!iconBest.IsOk()) + return wxNullIcon; + + return wxIcon(iconBest.GetHICON(), size); +#else + return iconBest; +#endif } -void wxIconBundle::AddIcon( const wxIcon& icon ) +wxIcon wxIconBundle::GetIconOfExactSize(const wxSize& size) const { - size_t i, max = m_icons.GetCount(); + return GetIcon(size, FALLBACK_NONE); +} - for( i = 0; i < max; ++i ) +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 = m_icons[i]; - if( tmp.GetWidth() == icon.GetWidth() && - tmp.GetHeight() == icon.GetHeight() ) + 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]; }