X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d699f48ba33c96c24f7ab3764ad98ded0633c1c5..19caf2292672bd3c6ecad003ab213709f2d98319:/src/html/m_image.cpp diff --git a/src/html/m_image.cpp b/src/html/m_image.cpp index 2445a8fe8a..7458ddf792 100644 --- a/src/html/m_image.cpp +++ b/src/html/m_image.cpp @@ -22,13 +22,19 @@ #ifndef WXPRECOMP #include "wx/dc.h" + #include "wx/scrolwin.h" + #include "wx/timer.h" + #include "wx/dcmemory.h" #endif #include "wx/html/forcelnk.h" #include "wx/html/m_templ.h" +#include "wx/html/htmlwin.h" #include "wx/image.h" +#include "wx/gifdecod.h" #include "wx/dynarray.h" +#include "wx/log.h" #include #include @@ -269,53 +275,186 @@ const wxHtmlCell *wxHtmlImageMapCell::Find( int cond, const void *param ) const class wxHtmlImageCell : public wxHtmlCell { - public: - wxBitmap *m_Image; - double m_Scale; - wxHtmlImageMapCell *m_ImageMap; - wxString m_MapName; - - wxHtmlImageCell(wxFSFile *input, int w = -1, int h = -1, double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM, wxString mapname = wxEmptyString); - ~wxHtmlImageCell() {if (m_Image) delete m_Image; } - void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); - virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const; +public: + wxHtmlImageCell(wxWindow *window, + wxFSFile *input, int w = -1, int h = -1, + double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM, + const wxString& mapname = wxEmptyString); + ~wxHtmlImageCell(); + void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); + virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const; + + void SetImage(const wxImage& img); +#if wxUSE_GIF && wxUSE_TIMER + void AdvanceAnimation(wxTimer *timer); + virtual void Layout(int w); +#endif + +private: + wxBitmap *m_bitmap; + int m_bmpW, m_bmpH; + bool m_showFrame:1; + wxScrolledWindow *m_window; +#if wxUSE_GIF && wxUSE_TIMER + wxGIFDecoder *m_gifDecoder; + wxTimer *m_gifTimer; + int m_physX, m_physY; +#endif + double m_scale; + wxHtmlImageMapCell *m_imageMap; + wxString m_mapName; }; +#if wxUSE_GIF && wxUSE_TIMER +class wxGIFTimer : public wxTimer +{ + public: + wxGIFTimer(wxHtmlImageCell *cell) : m_cell(cell) {} + virtual void Notify() + { + m_cell->AdvanceAnimation(this); + } + private: + wxHtmlImageCell *m_cell; +}; +#endif //-------------------------------------------------------------------------------- // wxHtmlImageCell //-------------------------------------------------------------------------------- -wxHtmlImageCell::wxHtmlImageCell(wxFSFile *input, int w, int h, double scale, int align, wxString mapname) : wxHtmlCell() +/* XPM */ +static const char * broken_image_xpm[] = { +"29 31 7 1", +" c None", +". c #808080", +"+ c #FFFFFF", +"@ c #C0C0C0", +"# c #000000", +"$ c #333366", +"% c #B2B2B2", +"..................... ", +".+++++++++++++++++++.. ", +".+++++++++++++++++++.@. ", +".++@@@@@@@@@@@@@@@@@.+@. ", +".++@@@@@@@@@@@@@@@@@.++@. ", +".++@@@@@.@@@@.@@@@@@.+++@. ", +".++@@@@@@@@@@@@@@@@@.++++@. ", +".++@@@@@@@@@@@@@@@@@.+++++@. ", +".++@@.@@@@@@@@@@.@@@######## ", +".++@@@@@@@@@@@@@@@@@@$$$$$$#.", +".######@@@@@@@@@@@@@@@.....#.", +" ###@@@@@@@@@@@@@@@++#.", +" #####@@@@@@@@@@++#.", +" #@.@@@@@@@@++#.", +".. ###@@@@@@@++#.", +".+.... #@@@@@@++#.", +".++@@@... ####@@++#.", +".++@@@@@@.. #####.", +".++@@@@@@@@... ", +".++@@@@@@%%%%@. ", +".++@@@@@@%%%%@@.... ", +".++@@@@@@%%%%@@@@@@.... ", +".++@@@@@@%%%%@@@@@@@@@@.... ", +".++@@@@@@@@@@@@@@@@@@@@@@++#.", +".++@@@@@@@@@@@@@@@@@@@@@@++#.", +".++@@@@@@@@@@@@@@@@@@@@@@++#.", +".++@@@@@@@@@@@@@@@@@@@@@@++#.", +".++@@@@@@@@@@@@@@@@@@@@@@++#.", +".++++++++++++++++++++++++++#.", +".++++++++++++++++++++++++++#.", +"############################."}; + +wxHtmlImageCell::wxHtmlImageCell(wxWindow *window, wxFSFile *input, + int w, int h, double scale, int align, + const wxString& mapname) : wxHtmlCell() { - wxImage *img; - int ww, hh, bw, bh; - wxInputStream *s = input->GetStream(); - - m_Scale = scale; - img = new wxImage(*s, wxBITMAP_TYPE_ANY); - m_Image = NULL; - if (img && (img->Ok())) + m_window = window ? wxStaticCast(window, wxScrolledWindow) : NULL; + m_scale = scale; + m_showFrame = FALSE; + m_bitmap = NULL; + m_bmpW = w; + m_bmpH = h; + m_imageMap = NULL; + m_mapName = mapname; + SetCanLiveOnPagebreak(FALSE); +#if wxUSE_GIF && wxUSE_TIMER + m_gifDecoder = NULL; + m_gifTimer = NULL; + m_physX = m_physY = -1; +#endif + + if ( m_bmpW && m_bmpH ) { - ww = img->GetWidth(); - hh = img->GetHeight(); - if (w != -1) bw = w; else bw = ww; - if (h != -1) bh = h; else bh = hh; + if ( input ) + { + wxInputStream *s = input->GetStream(); + + if ( s ) + { + bool readImg = TRUE; - m_Width = (int)(scale * (double)bw); - m_Height = (int)(scale * (double)bh); +#if wxUSE_GIF && wxUSE_TIMER + if ( (input->GetLocation().Matches(wxT("*.gif")) || + input->GetLocation().Matches(wxT("*.GIF"))) && m_window ) + { + m_gifDecoder = new wxGIFDecoder(s, TRUE); + if ( m_gifDecoder->ReadGIF() == wxGIF_OK ) + { + wxImage img; + if ( m_gifDecoder->ConvertToImage(&img) ) + SetImage(img); - if ((bw != ww) || (bh != hh)) + readImg = FALSE; + + if ( m_gifDecoder->IsAnimation() ) + { + m_gifTimer = new wxGIFTimer(this); + m_gifTimer->Start(m_gifDecoder->GetDelay(), TRUE); + } + else + { + wxDELETE(m_gifDecoder); + } + } + else + { + wxDELETE(m_gifDecoder); + } + } + + if ( readImg ) +#endif // wxUSE_GIF && wxUSE_TIMER + { + wxImage image(*s, wxBITMAP_TYPE_ANY); + if ( image.Ok() ) + SetImage(image); + } + } + } + else // input==NULL, use "broken image" bitmap { - wxImage img2 = img->Scale(bw, bh); - m_Image = new wxBitmap(img2.ConvertToBitmap()); + if ( m_bmpW == -1 && m_bmpH == -1 ) + { + m_bmpW = 29; + m_bmpH = 31; + } + else + { + m_showFrame = TRUE; + if ( m_bmpW == -1 ) m_bmpW = 31; + if ( m_bmpH == -1 ) m_bmpH = 33; + } + m_bitmap = new wxBitmap(broken_image_xpm); } - else - m_Image = new wxBitmap(img->ConvertToBitmap()); - delete img; } + //else: ignore the 0-sized images used sometimes on the Web pages + + m_Width = (int)(scale * (double)m_bmpW); + m_Height = (int)(scale * (double)m_bmpH); + switch (align) { case wxHTML_ALIGN_TOP : @@ -329,34 +468,118 @@ wxHtmlImageCell::wxHtmlImageCell(wxFSFile *input, int w, int h, double scale, in m_Descent = 0; break; } + } - m_ImageMap = NULL; - m_MapName = mapname; - SetCanLiveOnPagebreak(FALSE); +void wxHtmlImageCell::SetImage(const wxImage& img) +{ + if ( img.Ok() ) + { + delete m_bitmap; + + int ww, hh; + ww = img.GetWidth(); + hh = img.GetHeight(); + + if ( m_bmpW == -1 ) + m_bmpW = ww; + if ( m_bmpH == -1 ) + m_bmpH = hh; + + if ((m_bmpW != ww) || (m_bmpH != hh)) + { + wxImage img2 = img.Scale(m_bmpW, m_bmpH); + m_bitmap = new wxBitmap(img2); + } + else + m_bitmap = new wxBitmap(img); + } +} + +#if wxUSE_GIF && wxUSE_TIMER +void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer) +{ + wxImage img; + + m_gifDecoder->GoNextFrame(TRUE); + + if ( m_physX == -1 ) + { + m_physX = m_physY = 0; + for (wxHtmlCell *cell = this; cell; cell = cell->GetParent()) + { + m_physX += cell->GetPosX(); + m_physY += cell->GetPosY(); + } + } + + int x, y; + m_window->CalcScrolledPosition(m_physX, m_physY, &x, &y); + wxRect rect(x, y, m_Width, m_Height); + + if ( m_window->GetClientRect().Intersects(rect) && + m_gifDecoder->ConvertToImage(&img) ) + { + if ( (int)m_gifDecoder->GetWidth() != m_Width || + (int)m_gifDecoder->GetHeight() != m_Height || + m_gifDecoder->GetLeft() != 0 || m_gifDecoder->GetTop() != 0 ) + { + wxBitmap bmp(img); + wxMemoryDC dc; + dc.SelectObject(*m_bitmap); + dc.DrawBitmap(bmp, m_gifDecoder->GetLeft(), m_gifDecoder->GetTop()); + } + else + SetImage(img); + m_window->Refresh(img.HasMask(), &rect); + } + + timer->Start(m_gifDecoder->GetDelay(), TRUE); +} + +void wxHtmlImageCell::Layout(int w) +{ + wxHtmlCell::Layout(w); + m_physX = m_physY = -1; } +#endif + +wxHtmlImageCell::~wxHtmlImageCell() +{ + delete m_bitmap; +#if wxUSE_GIF && wxUSE_TIMER + delete m_gifTimer; + delete m_gifDecoder; +#endif +} void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2)) { - if (m_Image) + if ( m_showFrame ) + { + dc.SetBrush(*wxTRANSPARENT_BRUSH); + dc.SetPen(*wxBLACK_PEN); + dc.DrawRectangle(x + m_PosX, y + m_PosY, m_Width, m_Height); + x++, y++; + } + if ( m_bitmap ) { double us_x, us_y; dc.GetUserScale(&us_x, &us_y); - dc.SetUserScale(us_x * m_Scale, us_y * m_Scale); + dc.SetUserScale(us_x * m_scale, us_y * m_scale); -// dc.DrawBitmap(*m_Image, x + m_PosX, y + m_PosY, (m_Image->GetMask() != (wxMask*) 0)); - dc.DrawBitmap(*m_Image, (int) ((x + m_PosX) / m_Scale), - (int) ((y + m_PosY) / m_Scale), TRUE); + dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / m_scale), + (int) ((y + m_PosY) / m_scale), TRUE); dc.SetUserScale(us_x, us_y); } } wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const { - if (m_MapName.IsEmpty()) + if (m_mapName.IsEmpty()) return wxHtmlCell::GetLink( x, y ); - if (!m_ImageMap) + if (!m_imageMap) { wxHtmlContainerCell *p, *op; op = p = GetParent(); @@ -366,19 +589,20 @@ wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const p = p->GetParent(); } p = op; - wxHtmlCell *cell = (wxHtmlCell*)p->Find( wxHTML_COND_ISIMAGEMAP, (const void*)(&m_MapName)); + wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP, + (const void*)(&m_mapName)); if (!cell) { - ((wxString&)m_MapName).Clear(); + ((wxString&)m_mapName).Clear(); return wxHtmlCell::GetLink( x, y ); } { // dirty hack, ask Joel why he fills m_ImageMap in this place // THE problem is that we're in const method and we can't modify m_ImageMap - wxHtmlImageMapCell **cx = (wxHtmlImageMapCell**)(&m_ImageMap); + wxHtmlImageMapCell **cx = (wxHtmlImageMapCell**)(&m_imageMap); *cx = (wxHtmlImageMapCell*)cell; } } - return m_ImageMap->GetLink( x, y ); + return m_imageMap->GetLink(x, y); } @@ -401,7 +625,8 @@ TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA") wxString tmp = tag.GetParam(wxT("SRC")); wxString mn = wxEmptyString; - str = m_WParser->GetFS()->OpenFile(tmp); + str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp); + if (tag.HasParam(wxT("WIDTH"))) tag.GetParamAsInt(wxT("WIDTH"), &w); if (tag.HasParam(wxT("HEIGHT"))) @@ -424,14 +649,16 @@ TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA") mn = mn.Mid( 1 ); } } - wxHtmlImageCell *cel = NULL; + wxHtmlImageCell *cel = new wxHtmlImageCell( + m_WParser->GetWindow(), + str, w, h, + m_WParser->GetPixelScale(), + al, mn); + cel->SetLink(m_WParser->GetLink()); + cel->SetId(tag.GetParam(wxT("id"))); // may be empty + m_WParser->GetContainer()->InsertCell(cel); if (str) - { - cel = new wxHtmlImageCell(str, w, h, m_WParser->GetPixelScale(), al, mn); - cel->SetLink(m_WParser->GetLink()); - m_WParser->GetContainer()->InsertCell(cel); delete str; - } } } if (tag.GetName() == wxT("MAP"))