X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/04db5c3f8f9dbf65ca81198ca1a6bbcbaa7a4a03..08670ea85abf4b4946a9ce64971b591d7b1ee30b:/src/html/m_image.cpp diff --git a/src/html/m_image.cpp b/src/html/m_image.cpp index 5f5cc37d91..60fee4e25e 100644 --- a/src/html/m_image.cpp +++ b/src/html/m_image.cpp @@ -1,41 +1,39 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: m_image.cpp +// Name: src/html/m_image.cpp // Purpose: wxHtml module for displaying images // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik, Joel Lucsy -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation -#endif - #include "wx/wxprec.h" -#include "wx/defs.h" -#if wxUSE_HTML && wxUSE_STREAMS - -#ifdef __BORDLANDC__ -#pragma hdrstop +#ifdef __BORLANDC__ + #pragma hdrstop #endif -#ifndef WXPRECOMP +#if wxUSE_HTML && wxUSE_STREAMS + +#ifndef WX_PRECOMP + #include "wx/dynarray.h" #include "wx/dc.h" #include "wx/scrolwin.h" #include "wx/timer.h" #include "wx/dcmemory.h" + #include "wx/log.h" + #include "wx/math.h" + #include "wx/image.h" + #include "wx/wxcrtvararg.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/artprov.h" -#include #include FORCE_LINK_ME(m_image) @@ -45,14 +43,14 @@ FORCE_LINK_ME(m_image) WX_DECLARE_OBJARRAY(int, CoordArray); #include "wx/arrimpl.cpp" // this is a magic incantation which must be done! -WX_DEFINE_OBJARRAY(CoordArray); +WX_DEFINE_OBJARRAY(CoordArray) -//-------------------------------------------------------------------------------- +// --------------------------------------------------------------------------- // wxHtmlImageMapAreaCell -// 0-width, 0-height cell that represents single area in imagemap -// (it's GetLink is called from wxHtmlImageCell's) -//-------------------------------------------------------------------------------- +// 0-width, 0-height cell that represents single area in +// imagemap (it's GetLink is called from wxHtmlImageCell's) +// --------------------------------------------------------------------------- class wxHtmlImageMapAreaCell : public wxHtmlCell { @@ -65,6 +63,13 @@ class wxHtmlImageMapAreaCell : public wxHtmlCell public: wxHtmlImageMapAreaCell( celltype t, wxString &coords, double pixel_scale = 1.0); virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const; + void Draw(wxDC& WXUNUSED(dc), + int WXUNUSED(x), int WXUNUSED(y), + int WXUNUSED(view_y1), int WXUNUSED(view_y2), + wxHtmlRenderingInfo& WXUNUSED(info)) {} + + + wxDECLARE_NO_COPY_CLASS(wxHtmlImageMapAreaCell); }; @@ -77,7 +82,7 @@ wxHtmlImageMapAreaCell::wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::celltype wxString x = incoords, y; type = t; - while ((i = x.Find( ',' )) != -1) + while ((i = x.Find( ',' )) != wxNOT_FOUND) { coords.Add( (int)(pixel_scale * (double)wxAtoi( x.Left( i ).c_str())) ); x = x.Mid( i + 1 ); @@ -237,6 +242,12 @@ class wxHtmlImageMapCell : public wxHtmlCell public: virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const; virtual const wxHtmlCell *Find( int cond, const void *param ) const; + void Draw(wxDC& WXUNUSED(dc), + int WXUNUSED(x), int WXUNUSED(y), + int WXUNUSED(view_y1), int WXUNUSED(view_y2), + wxHtmlRenderingInfo& WXUNUSED(info)) {} + + wxDECLARE_NO_COPY_CLASS(wxHtmlImageMapCell); }; @@ -275,12 +286,15 @@ const wxHtmlCell *wxHtmlImageMapCell::Find( int cond, const void *param ) const class wxHtmlImageCell : public wxHtmlCell { public: - wxHtmlImageCell(wxWindow *window, - wxFSFile *input, int w = -1, int h = -1, - double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM, + wxHtmlImageCell(wxHtmlWindowInterface *windowIface, + wxFSFile *input, + int w = wxDefaultCoord, bool wpercent = false, + int h = wxDefaultCoord, bool hpresent = false, + 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 ~wxHtmlImageCell(); + void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, + wxHtmlRenderingInfo& info); virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const; void SetImage(const wxImage& img); @@ -291,16 +305,23 @@ public: private: wxBitmap *m_bitmap; + int m_align; int m_bmpW, m_bmpH; - wxScrolledWindow *m_window; + bool m_bmpWpercent:1; + bool m_bmpHpresent:1; + bool m_showFrame:1; + wxHtmlWindowInterface *m_windowIface; #if wxUSE_GIF && wxUSE_TIMER wxGIFDecoder *m_gifDecoder; wxTimer *m_gifTimer; int m_physX, m_physY; + size_t m_nCurrFrame; #endif double m_scale; wxHtmlImageMapCell *m_imageMap; wxString m_mapName; + + wxDECLARE_NO_COPY_CLASS(wxHtmlImageCell); }; #if wxUSE_GIF && wxUSE_TIMER @@ -315,95 +336,117 @@ class wxGIFTimer : public wxTimer private: wxHtmlImageCell *m_cell; + + wxDECLARE_NO_COPY_CLASS(wxGIFTimer); }; #endif -//-------------------------------------------------------------------------------- +//---------------------------------------------------------------------------- // wxHtmlImageCell -//-------------------------------------------------------------------------------- +//---------------------------------------------------------------------------- + -wxHtmlImageCell::wxHtmlImageCell(wxWindow *window, wxFSFile *input, - int w, int h, double scale, int align, +wxHtmlImageCell::wxHtmlImageCell(wxHtmlWindowInterface *windowIface, + wxFSFile *input, + int w, bool wpercent, int h, bool hpresent, double scale, int align, const wxString& mapname) : wxHtmlCell() { - m_window = window ? wxStaticCast(window, wxScrolledWindow) : NULL; + m_windowIface = windowIface; m_scale = scale; + m_showFrame = false; m_bitmap = NULL; - m_bmpW = w; - m_bmpH = h; + m_bmpW = w; + m_bmpH = h; + m_align = align; + m_bmpWpercent = wpercent; + m_bmpHpresent = hpresent; m_imageMap = NULL; m_mapName = mapname; - SetCanLiveOnPagebreak(FALSE); + SetCanLiveOnPagebreak(false); #if wxUSE_GIF && wxUSE_TIMER m_gifDecoder = NULL; m_gifTimer = NULL; - m_physX = m_physY = -1; + m_physX = m_physY = wxDefaultCoord; + m_nCurrFrame = 0; #endif - wxInputStream *s = input->GetStream(); - - if ( s ) + if ( m_bmpW && m_bmpH ) { - bool readImg = TRUE; - -#if wxUSE_GIF && wxUSE_TIMER - if ( (input->GetLocation().Matches(wxT("*.gif")) || - input->GetLocation().Matches(wxT("*.GIF"))) && m_window ) + if ( input ) { - m_gifDecoder = new wxGIFDecoder(s, TRUE); - if ( m_gifDecoder->ReadGIF() == wxGIF_OK ) + wxInputStream *s = input->GetStream(); + + if ( s ) { - wxImage img; - if ( m_gifDecoder->ConvertToImage(&img) ) - SetImage(img); +#if wxUSE_GIF && wxUSE_TIMER + bool readImg = true; + if ( m_windowIface && + (input->GetLocation().Matches(wxT("*.gif")) || + input->GetLocation().Matches(wxT("*.GIF"))) ) + { + m_gifDecoder = new wxGIFDecoder(); + if ( m_gifDecoder->LoadGIF(*s) == wxGIF_OK ) + { + wxImage img; + if ( m_gifDecoder->ConvertToImage(0, &img) ) + SetImage(img); - readImg = FALSE; + readImg = false; - if ( m_gifDecoder->IsAnimation() ) - { - m_gifTimer = new wxGIFTimer(this); - m_gifTimer->Start(m_gifDecoder->GetDelay(), TRUE); + if ( m_gifDecoder->IsAnimation() ) + { + m_gifTimer = new wxGIFTimer(this); + long delay = m_gifDecoder->GetDelay(0); + if ( delay == 0 ) + delay = 1; + m_gifTimer->Start(delay, true); + } + else + { + wxDELETE(m_gifDecoder); + } + } + else + { + wxDELETE(m_gifDecoder); + } } - else + + if ( readImg ) +#endif // wxUSE_GIF && wxUSE_TIMER { - wxDELETE(m_gifDecoder); + wxImage image(*s, wxBITMAP_TYPE_ANY); + if ( image.IsOk() ) + SetImage(image); } } + } + else // input==NULL, use "broken image" bitmap + { + if ( m_bmpW == wxDefaultCoord && m_bmpH == wxDefaultCoord ) + { + m_bmpW = 29; + m_bmpH = 31; + } else { - wxDELETE(m_gifDecoder); + m_showFrame = true; + if ( m_bmpW == wxDefaultCoord ) m_bmpW = 31; + if ( m_bmpH == wxDefaultCoord ) m_bmpH = 33; } - } - - if ( readImg ) -#endif - { - SetImage(wxImage(*s, wxBITMAP_TYPE_ANY)); + m_bitmap = + new wxBitmap(wxArtProvider::GetBitmap(wxART_MISSING_IMAGE)); } } + //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 : - m_Descent = m_Height; - break; - case wxHTML_ALIGN_CENTER : - m_Descent = m_Height / 2; - break; - case wxHTML_ALIGN_BOTTOM : - default : - m_Descent = 0; - break; - } } void wxHtmlImageCell::SetImage(const wxImage& img) { - if ( img.Ok() ) +#if !defined(__WXMSW__) || wxUSE_WXDIB + if ( img.IsOk() ) { delete m_bitmap; @@ -411,19 +454,24 @@ void wxHtmlImageCell::SetImage(const wxImage& img) ww = img.GetWidth(); hh = img.GetHeight(); - if ( m_bmpW == -1 ) + if ( m_bmpW == wxDefaultCoord) m_bmpW = ww; - if ( m_bmpH == -1 ) + if ( m_bmpH == wxDefaultCoord) m_bmpH = hh; + // Only scale the bitmap at the rendering stage, + // so we don't lose quality twice +/* 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); } +#endif } #if wxUSE_GIF && wxUSE_TIMER @@ -431,9 +479,12 @@ void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer) { wxImage img; - m_gifDecoder->GoNextFrame(TRUE); + // advance current frame + m_nCurrFrame++; + if (m_nCurrFrame == m_gifDecoder->GetFrameCount()) + m_nCurrFrame = 0; - if ( m_physX == -1 ) + if ( m_physX == wxDefaultCoord ) { m_physX = m_physY = 0; for (wxHtmlCell *cell = this; cell; cell = cell->GetParent()) @@ -443,34 +494,69 @@ void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer) } } - int x, y; - m_window->CalcScrolledPosition(m_physX, m_physY, &x, &y); - wxRect rect(x, y, m_Width, m_Height); + wxWindow *win = m_windowIface->GetHTMLWindow(); + wxPoint pos = + m_windowIface->HTMLCoordsToWindow(this, wxPoint(m_physX, m_physY)); + wxRect rect(pos, wxSize(m_Width, m_Height)); - if ( m_window->GetClientRect().Intersects(rect) && - m_gifDecoder->ConvertToImage(&img) ) + if ( win->GetClientRect().Intersects(rect) && + m_gifDecoder->ConvertToImage(m_nCurrFrame, &img) ) { - if ( (int)m_gifDecoder->GetWidth() != m_Width || - (int)m_gifDecoder->GetHeight() != m_Height || - m_gifDecoder->GetLeft() != 0 || m_gifDecoder->GetTop() != 0 ) +#if !defined(__WXMSW__) || wxUSE_WXDIB + if ( m_gifDecoder->GetFrameSize(m_nCurrFrame) != wxSize(m_Width, m_Height) || + m_gifDecoder->GetFramePosition(m_nCurrFrame) != wxPoint(0, 0) ) { wxBitmap bmp(img); wxMemoryDC dc; dc.SelectObject(*m_bitmap); - dc.DrawBitmap(bmp, m_gifDecoder->GetLeft(), m_gifDecoder->GetTop()); + dc.DrawBitmap(bmp, m_gifDecoder->GetFramePosition(m_nCurrFrame), + true /* use mask */); } else +#endif SetImage(img); - m_window->Refresh(img.HasMask(), &rect); + win->Refresh(img.HasMask(), &rect); } - timer->Start(m_gifDecoder->GetDelay(), TRUE); + long delay = m_gifDecoder->GetDelay(m_nCurrFrame); + if ( delay == 0 ) + delay = 1; + timer->Start(delay, true); } void wxHtmlImageCell::Layout(int w) { + if (m_bmpWpercent) + { + + m_Width = w*m_bmpW/100; + + if (!m_bmpHpresent && m_bitmap != NULL) + m_Height = m_bitmap->GetHeight()*m_Width/m_bitmap->GetWidth(); + else + m_Height = static_cast(m_scale*m_bmpH); + } else + { + m_Width = static_cast(m_scale*m_bmpW); + m_Height = static_cast(m_scale*m_bmpH); + } + + switch (m_align) + { + case wxHTML_ALIGN_TOP : + m_Descent = m_Height; + break; + case wxHTML_ALIGN_CENTER : + m_Descent = m_Height / 2; + break; + case wxHTML_ALIGN_BOTTOM : + default : + m_Descent = 0; + break; + } + wxHtmlCell::Layout(w); - m_physX = m_physY = -1; + m_physX = m_physY = wxDefaultCoord; } #endif @@ -485,23 +571,41 @@ wxHtmlImageCell::~wxHtmlImageCell() } -void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2)) +void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, + int WXUNUSED(view_y1), int WXUNUSED(view_y2), + wxHtmlRenderingInfo& WXUNUSED(info)) { - if (m_bitmap) + 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 ) + { + // We add in the scaling from the desired bitmap width + // and height, so we only do the scaling once. + double imageScaleX = 1.0; + double imageScaleY = 1.0; + if (m_Width != m_bitmap->GetWidth()) + imageScaleX = (double) m_Width / (double) m_bitmap->GetWidth(); + if (m_Height != m_bitmap->GetHeight()) + imageScaleY = (double) m_Height / (double) m_bitmap->GetHeight(); + 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 * imageScaleX, us_y * imageScaleY); - dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / m_scale), - (int) ((y + m_PosY) / m_scale), TRUE); + dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (imageScaleX)), + (int) ((y + m_PosY) / (imageScaleY)), true); dc.SetUserScale(us_x, us_y); } } wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const { - if (m_mapName.IsEmpty()) + if (m_mapName.empty()) return wxHtmlCell::GetLink( x, y ); if (!m_imageMap) { @@ -513,7 +617,7 @@ wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const p = p->GetParent(); } p = op; - wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP, + wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP, (const void*)(&m_mapName)); if (!cell) { @@ -536,6 +640,7 @@ wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const //-------------------------------------------------------------------------------- TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA") + TAG_HANDLER_CONSTR(IMG) { } TAG_HANDLER_PROC(tag) { @@ -543,20 +648,36 @@ TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA") { if (tag.HasParam(wxT("SRC"))) { - int w = -1, h = -1; + int w = wxDefaultCoord, h = wxDefaultCoord; + bool wpercent = false; + bool hpresent = false; int al; wxFSFile *str; wxString tmp = tag.GetParam(wxT("SRC")); wxString mn = wxEmptyString; - - if ( !m_WParser->CanOpenURL(tmp) ) - return FALSE; - str = m_WParser->GetFS()->OpenFile(tmp); + str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp); + if (tag.HasParam(wxT("WIDTH"))) - tag.GetParamAsInt(wxT("WIDTH"), &w); + { + wxString param = tag.GetParam(wxT("WIDTH")); + wxSscanf(param.c_str(), wxT("%i"), &w); + if (param.EndsWith(wxT("%"))) { + if (w < 0) + w = 0; + else if (w > 100) + w = 100; + wpercent = true; + } + + } + if (tag.HasParam(wxT("HEIGHT"))) + { tag.GetParamAsInt(wxT("HEIGHT"), &h); + hpresent = true; + } + al = wxHTML_ALIGN_BOTTOM; if (tag.HasParam(wxT("ALIGN"))) { @@ -570,23 +691,21 @@ TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA") if (tag.HasParam(wxT("USEMAP"))) { mn = tag.GetParam( wxT("USEMAP") ); - if (mn.GetChar(0) == wxT('#')) + if ( !mn.empty() && *mn.begin() == '#' ) { mn = mn.Mid( 1 ); } } - wxHtmlImageCell *cel = NULL; + wxHtmlImageCell *cel = new wxHtmlImageCell( + m_WParser->GetWindowInterface(), + str, w, wpercent, h, hpresent, + m_WParser->GetPixelScale(), + al, mn); + m_WParser->ApplyStateToCell(cel); + cel->SetId(tag.GetParam(wxT("id"))); // may be empty + m_WParser->GetContainer()->InsertCell(cel); if (str) - { - 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); delete str; - } } } if (tag.GetName() == wxT("MAP")) @@ -629,16 +748,17 @@ TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA") } if (cel != NULL && tag.HasParam(wxT("HREF"))) { - wxString tmp = tag.GetParam(wxT("HREF")); - wxString target = wxEmptyString; - if (tag.HasParam(wxT("TARGET"))) target = tag.GetParam(wxT("TARGET")); - cel->SetLink( wxHtmlLinkInfo(tmp, target)); + wxString target; + if (tag.HasParam(wxT("TARGET"))) + target = tag.GetParam(wxT("TARGET")); + cel->SetLink(wxHtmlLinkInfo(tag.GetParam(wxT("HREF")), target)); } - if (cel != NULL) m_WParser->GetContainer()->InsertCell( cel ); + if (cel != NULL) + m_WParser->GetContainer()->InsertCell( cel ); } } - return FALSE; + return false; } TAG_HANDLER_END(IMG)