X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f94dfb3897b96c8884210f9dc0a2cf225ab12898..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/msw/gdiimage.cpp?ds=sidebyside diff --git a/src/msw/gdiimage.cpp b/src/msw/gdiimage.cpp index 4123b7d4f6..ff89f0755b 100644 --- a/src/msw/gdiimage.cpp +++ b/src/msw/gdiimage.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/gdiimage.cpp +// Name: src/msw/gdiimage.cpp // Purpose: wxGDIImage implementation // Author: Vadim Zeitlin // Modified by: // Created: 20.11.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "gdiimage.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -31,29 +27,34 @@ #ifndef WX_PRECOMP #include "wx/string.h" #include "wx/log.h" + #include "wx/app.h" + #include "wx/bitmap.h" #endif // WX_PRECOMP #include "wx/msw/private.h" -#include "wx/app.h" +#include "wx/msw/gdiimage.h" +#if wxUSE_WXDIB #include "wx/msw/dib.h" -#include "wx/msw/bitmap.h" -#include "wx/msw/gdiimage.h" -#include "wx/bitmap.h" +#endif -#if wxUSE_XPM_IN_MSW -# include "wx/xpmhand.h" -#endif // wxUSE_XPM_IN_MSW +#ifdef __WXWINCE__ +#include +#include +#endif + +#include "wx/file.h" -#ifdef __WIN16__ -# include "wx/msw/curico.h" -#endif // __WIN16__ +#include "wx/listimpl.cpp" +WX_DEFINE_LIST(wxGDIImageHandlerList) // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- +#ifndef __WXMICROWIN__ + // all image handlers are declared/defined in this file because the outside // world doesn't have to know about them (but only about wxBITMAP_TYPE_XXX ids) @@ -103,20 +104,20 @@ public: // creating and saving icons is not supported virtual bool Create(wxGDIImage *WXUNUSED(image), - void *WXUNUSED(data), + const void* WXUNUSED(data), long WXUNUSED(flags), int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth) = 1) { - return FALSE; + return false; } virtual bool Save(wxGDIImage *WXUNUSED(image), const wxString& WXUNUSED(name), int WXUNUSED(type)) { - return FALSE; + return false; } virtual bool Load(wxGDIImage *image, @@ -125,7 +126,7 @@ public: int desiredWidth, int desiredHeight) { wxIcon *icon = wxDynamicCast(image, wxIcon); - wxCHECK_MSG( icon, FALSE, _T("wxIconHandler only works with icons") ); + wxCHECK_MSG( icon, false, _T("wxIconHandler only works with icons") ); return LoadIcon(icon, name, flags, desiredWidth, desiredHeight); } @@ -145,6 +146,7 @@ public: { } +protected: virtual bool LoadIcon(wxIcon *icon, const wxString& name, long flags, int desiredWidth = -1, int desiredHeight = -1); @@ -162,6 +164,7 @@ public: { } +protected: virtual bool LoadIcon(wxIcon *icon, const wxString& name, long flags, int desiredWidth = -1, int desiredHeight = -1); @@ -174,22 +177,23 @@ private: // wxWin macros // ---------------------------------------------------------------------------- - IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler) - IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) - IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxGDIImageHandler) - IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxGDIImageHandler) +IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler) +IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) +IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject) +IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject) // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- -static wxSize GetHiconSize(HICON hicon); +#endif + // __MICROWIN__ // ============================================================================ // implementation // ============================================================================ -wxList wxGDIImage::ms_handlers; +wxGDIImageHandlerList wxGDIImage::ms_handlers; // ---------------------------------------------------------------------------- // wxGDIImage functions forwarded to wxGDIImageRefData @@ -203,10 +207,10 @@ bool wxGDIImage::FreeResource(bool WXUNUSED(force)) GetGDIImageData()->m_handle = 0; } - return TRUE; + return true; } -WXHANDLE wxGDIImage::GetResourceHandle() +WXHANDLE wxGDIImage::GetResourceHandle() const { return GetHandle(); } @@ -231,21 +235,21 @@ bool wxGDIImage::RemoveHandler(const wxString& name) if ( handler ) { ms_handlers.DeleteObject(handler); - return TRUE; + return true; } else - return FALSE; + return false; } wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name) { - wxNode *node = ms_handlers.First(); + wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst(); while ( node ) { - wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data(); + wxGDIImageHandler *handler = node->GetData(); if ( handler->GetName() == name ) return handler; - node = node->Next(); + node = node->GetNext(); } return NULL; @@ -254,31 +258,31 @@ wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name) wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& extension, long type) { - wxNode *node = ms_handlers.First(); + wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst(); while ( node ) { - wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data(); - if ( (handler->GetExtension() = extension) && + wxGDIImageHandler *handler = node->GetData(); + if ( (handler->GetExtension() == extension) && (type == -1 || handler->GetType() == type) ) { return handler; } - node = node->Next(); + node = node->GetNext(); } return NULL; } wxGDIImageHandler *wxGDIImage::FindHandler(long type) { - wxNode *node = ms_handlers.First(); + wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst(); while ( node ) { - wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data(); + wxGDIImageHandler *handler = node->GetData(); if ( handler->GetType() == type ) return handler; - node = node->Next(); + node = node->GetNext(); } return NULL; @@ -286,33 +290,29 @@ wxGDIImageHandler *wxGDIImage::FindHandler(long type) void wxGDIImage::CleanUpHandlers() { - wxNode *node = ms_handlers.First(); + wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst(); while ( node ) { - wxGDIImageHandler *handler = (wxGDIImageHandler *)node->Data(); - wxNode *next = node->Next(); + wxGDIImageHandler *handler = node->GetData(); + wxGDIImageHandlerList::compatibility_iterator next = node->GetNext(); delete handler; - delete node; + ms_handlers.Erase( node ); node = next; } } void wxGDIImage::InitStandardHandlers() { +#ifndef __WXMICROWIN__ AddHandler(new wxBMPResourceHandler); AddHandler(new wxBMPFileHandler); - - // GRG: Add these handlers by default if XPM support is enabled - -#if wxUSE_XPM_IN_MSW - AddHandler(new wxXPMFileHandler); - AddHandler(new wxXPMDataHandler); -#endif // wxUSE_XPM_IN_MSW - AddHandler(new wxICOResourceHandler); AddHandler(new wxICOFileHandler); +#endif } +#ifndef __WXMICROWIN__ + // ---------------------------------------------------------------------------- // wxBitmap handlers // ---------------------------------------------------------------------------- @@ -323,29 +323,31 @@ bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap, int WXUNUSED(desiredHeight)) { // TODO: load colourmap. - bitmap->SetHBITMAP((WXHBITMAP)::LoadBitmap(wxGetInstance(), name)); - - wxBitmapRefData *data = bitmap->GetBitmapData(); - if ( bitmap->Ok() ) - { - BITMAP bm; - if ( !::GetObject(GetHbitmapOf(*bitmap), sizeof(BITMAP), (LPSTR) &bm) ) - { - wxLogLastError(wxT("GetObject(HBITMAP)")); - } + bitmap->SetHBITMAP((WXHBITMAP)::LoadBitmap(wxGetInstance(), name.wx_str())); - data->m_width = bm.bmWidth; - data->m_height = bm.bmHeight; - data->m_depth = bm.bmBitsPixel; - } - else + if ( !bitmap->Ok() ) { // it's probably not found wxLogError(wxT("Can't load bitmap '%s' from resources! Check .rc file."), name.c_str()); + + return false; + } + + BITMAP bm; + if ( !::GetObject(GetHbitmapOf(*bitmap), sizeof(BITMAP), (LPSTR) &bm) ) + { + wxLogLastError(wxT("GetObject(HBITMAP)")); } - return bitmap->Ok(); + bitmap->SetWidth(bm.bmWidth); + bitmap->SetHeight(bm.bmHeight); + bitmap->SetDepth(bm.bmBitsPixel); + + // use 0xc0c0c0 as transparent colour by default + bitmap->SetMask(new wxMask(*bitmap, *wxLIGHT_GREY)); + + return true; } bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, @@ -353,35 +355,30 @@ bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight)) { -#if wxUSE_IMAGE_LOADING_IN_MSW - wxPalette *palette = NULL; - bool success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0; - if ( success && palette ) - { - bitmap->SetPalette(*palette); - } +#if wxUSE_WXDIB + wxCHECK_MSG( bitmap, false, _T("NULL bitmap in LoadFile") ); - // it was copied by the bitmap if it was loaded successfully - delete palette; + wxDIB dib(name); - return success; + return dib.IsOk() && bitmap->CopyFromDIB(dib); #else - return FALSE; + return false; #endif } bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int WXUNUSED(type), - const wxPalette *pal) + const wxPalette * WXUNUSED(pal)) { -#if wxUSE_IMAGE_LOADING_IN_MSW - wxPalette *actualPalette = (wxPalette *)pal; - if ( !actualPalette ) - actualPalette = bitmap->GetPalette(); - return wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0; +#if wxUSE_WXDIB + wxCHECK_MSG( bitmap, false, _T("NULL bitmap in SaveFile") ); + + wxDIB dib(*bitmap); + + return dib.Save(name); #else - return FALSE; + return false; #endif } @@ -391,81 +388,173 @@ bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, bool wxICOFileHandler::LoadIcon(wxIcon *icon, const wxString& name, - long flags, + long WXUNUSED(flags), int desiredWidth, int desiredHeight) { -#if wxUSE_RESOURCE_LOADING_IN_MSW icon->UnRef(); // actual size wxSize size; -#ifdef __WIN32__ - HICON hicon = ::ExtractIcon(wxGetInstance(), name, 0 /* first */); + HICON hicon = NULL; + + // Parse the filename: it may be of the form "filename;n" in order to + // specify the nth icon in the file. + // + // For the moment, ignore the issue of possible semicolons in the + // filename. + int iconIndex = 0; + wxString nameReal(name); + wxString strIconIndex = name.AfterLast(wxT(';')); + if (strIconIndex != name) + { + iconIndex = wxAtoi(strIconIndex); + nameReal = name.BeforeLast(wxT(';')); + } + +#if 0 + // If we don't know what size icon we're looking for, + // try to find out what's there. + // Unfortunately this doesn't work, because ExtractIconEx + // will scale the icon to the 'desired' size, even if that + // size of icon isn't explicitly stored. So we would have + // to parse the icon file outselves. + if ( desiredWidth == -1 && + desiredHeight == -1) + { + // Try loading a large icon first + if ( ::ExtractIconEx(nameReal, iconIndex, &hicon, NULL, 1) == 1) + { + } + // Then try loading a small icon + else if ( ::ExtractIconEx(nameReal, iconIndex, NULL, &hicon, 1) == 1) + { + } + } + else +#endif + // were we asked for a large icon? + if ( desiredWidth == ::GetSystemMetrics(SM_CXICON) && + desiredHeight == ::GetSystemMetrics(SM_CYICON) ) + { + // get the specified large icon from file + if ( !::ExtractIconEx(nameReal.wx_str(), iconIndex, &hicon, NULL, 1) ) + { + // it is not an error, but it might still be useful to be informed + // about it optionally + wxLogTrace(_T("iconload"), + _T("No large icons found in the file '%s'."), + name.c_str()); + } + } + else if ( desiredWidth == ::GetSystemMetrics(SM_CXSMICON) && + desiredHeight == ::GetSystemMetrics(SM_CYSMICON) ) + { + // get the specified small icon from file + if ( !::ExtractIconEx(nameReal.wx_str(), iconIndex, NULL, &hicon, 1) ) + { + wxLogTrace(_T("iconload"), + _T("No small icons found in the file '%s'."), + name.c_str()); + } + } + //else: not standard size, load below + +#ifndef __WXWINCE__ + if ( !hicon ) + { + // take any size icon from the file by index + hicon = ::ExtractIcon(wxGetInstance(), nameReal.wx_str(), iconIndex); + } +#endif + if ( !hicon ) { wxLogSysError(_T("Failed to load icon from the file '%s'"), name.c_str()); - return FALSE; + return false; } - size = GetHiconSize(hicon); -#else // Win16 - HICON hicon = ReadIconFile((wxChar *)name.c_str(), - wxGetInstance(), - &size.x, &size.y); -#endif // Win32/Win16 + size = wxGetHiconSize(hicon); if ( (desiredWidth != -1 && desiredWidth != size.x) || (desiredHeight != -1 && desiredHeight != size.y) ) { - wxLogDebug(_T("Returning FALSE from wxICOFileHandler::Load because of the size mismatch: actual (%d, %d), requested (%d, %d)"), - size.x, size.y, - desiredWidth, desiredHeight); + wxLogTrace(_T("iconload"), + _T("Returning false from wxICOFileHandler::Load because of the size mismatch: actual (%d, %d), requested (%d, %d)"), + size.x, size.y, + desiredWidth, desiredHeight); ::DestroyIcon(hicon); - return FALSE; + return false; } icon->SetHICON((WXHICON)hicon); icon->SetSize(size.x, size.y); return icon->Ok(); -#else - return FALSE; -#endif } bool wxICOResourceHandler::LoadIcon(wxIcon *icon, const wxString& name, - long flags, + long WXUNUSED(flags), int desiredWidth, int desiredHeight) { HICON hicon; -#if defined(__WIN32__) && !defined(__SC__) - if ( desiredWidth != -1 && desiredHeight != -1 ) + // do we need the icon of the specific size or would any icon do? + bool hasSize = desiredWidth != -1 || desiredHeight != -1; + + wxASSERT_MSG( !hasSize || (desiredWidth != -1 && desiredHeight != -1), + _T("width and height should be either both -1 or not") ); + + // try to load the icon from this program first to allow overriding the + // standard icons (although why one would want to do it considering that + // we already have wxApp::GetStdIcon() is unclear) + + // note that we can't just always call LoadImage() because it seems to do + // some icon rescaling internally which results in very ugly 16x16 icons + if ( hasSize ) { - hicon = (HICON)::LoadImage(wxGetInstance(), name, IMAGE_ICON, + hicon = (HICON)::LoadImage(wxGetInstance(), name.wx_str(), IMAGE_ICON, desiredWidth, desiredHeight, LR_DEFAULTCOLOR); } else -#endif // Win32 { - hicon = ::LoadIcon(wxGetInstance(), name); + hicon = ::LoadIcon(wxGetInstance(), name.wx_str()); } - wxSize size = GetHiconSize(hicon); - icon->SetSize(size.x, size.y); - - // Override the found values with desired values - if ( desiredWidth > -1 && desiredHeight > -1 ) + // next check if it's not a standard icon +#ifndef __WXWINCE__ + if ( !hicon && !hasSize ) { - icon->SetSize(desiredWidth, desiredHeight); + static const struct + { + const wxChar *name; + LPTSTR id; + } stdIcons[] = + { + { wxT("wxICON_QUESTION"), IDI_QUESTION }, + { wxT("wxICON_WARNING"), IDI_EXCLAMATION }, + { wxT("wxICON_ERROR"), IDI_HAND }, + { wxT("wxICON_INFORMATION"), IDI_ASTERISK }, + }; + + for ( size_t nIcon = 0; !hicon && nIcon < WXSIZEOF(stdIcons); nIcon++ ) + { + if ( name == stdIcons[nIcon].name ) + { + hicon = ::LoadIcon((HINSTANCE)NULL, stdIcons[nIcon].id); + } + } } +#endif + + wxSize size = wxGetHiconSize(hicon); + icon->SetSize(size.x, size.y); icon->SetHICON((WXHICON)hicon); @@ -476,13 +565,12 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon, // private functions // ---------------------------------------------------------------------------- -static wxSize GetHiconSize(HICON hicon) +wxSize wxGetHiconSize(HICON WXUNUSED_IN_WINCE(hicon)) { - wxSize size(32, 32); // default + wxSize size; -#ifdef __WIN32__ - // Win32s doesn't have GetIconInfo function... - if ( hicon && wxGetOsVersion() != wxWIN32S ) +#ifndef __WXWINCE__ + if ( hicon ) { ICONINFO info; if ( !::GetIconInfo(hicon, &info) ) @@ -506,7 +594,16 @@ static wxSize GetHiconSize(HICON hicon) ::DeleteObject(info.hbmColor); } } -#endif + + if ( !size.x ) +#endif // !__WXWINCE__ + { + // use default icon size on this hardware + size.x = ::GetSystemMetrics(SM_CXICON); + size.y = ::GetSystemMetrics(SM_CYICON); + } return size; } + +#endif // __WXMICROWIN__