/////////////////////////////////////////////////////////////////////////////
-// Name: mod_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
-
-#ifdef __BORDLANDC__
-#pragma hdrstop
+#ifdef __BORLANDC__
+ #pragma hdrstop
#endif
-#ifndef WXPRECOMP
-#include "wx/wx.h"
+#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/gifdecod.h"
+#include "wx/artprov.h"
-#include "wx/image.h"
-#include "wx/dynarray.h"
-
-#include <math.h>
#include <float.h>
-FORCE_LINK_ME(mod_image)
+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);
+#include "wx/arrimpl.cpp" // this is a magic incantation which must be done!
+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
{
-public:
- enum celltype{ CIRCLE, RECT, POLY };
-protected:
- CoordArray coords;
- celltype type;
- int radius;
-public:
- wxHtmlImageMapAreaCell( celltype t, wxString &coords );
- virtual wxString GetLink( int x = 0, int y = 0 ) const;
+ public:
+ enum celltype { CIRCLE, RECT, POLY };
+ protected:
+ CoordArray coords;
+ celltype type;
+ int radius;
+ 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);
};
-wxHtmlImageMapAreaCell::wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::celltype t, wxString &incoords )
+wxHtmlImageMapAreaCell::wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::celltype t, wxString &incoords, double pixel_scale )
{
- int i;
- wxString x = incoords, y;
-
- type = t;
- while ((i = x.Find( ',' )) != -1)
- {
- coords.Add( atoi( x.Left( i ).c_str() ) );
- x = x.Mid( i + 1 );
- }
- coords.Add( atoi( x.c_str() ) );
+ int i;
+ wxString x = incoords, y;
+
+ type = t;
+ while ((i = x.Find( ',' )) != wxNOT_FOUND)
+ {
+ coords.Add( (int)(pixel_scale * (double)wxAtoi( x.Left( i ).c_str())) );
+ x = x.Mid( i + 1 );
+ }
+ coords.Add( (int)(pixel_scale * (double)wxAtoi( x.c_str())) );
}
-wxString wxHtmlImageMapAreaCell::GetLink( int x, int y ) const
+wxHtmlLinkInfo *wxHtmlImageMapAreaCell::GetLink( int x, int y ) const
{
- switch (type)
- {
- case RECT:
- {
- int l, t, r, b;
-
- l = coords[ 0 ];
- t = coords[ 1 ];
- r = coords[ 2 ];
- b = coords[ 3 ];
- if (x >= l && x <= r && y >= t && y <= b)
- {
- return m_Link;
- }
- break;
- }
- case CIRCLE:
- {
- int l, t, r;
- double d;
-
- l = coords[ 0 ];
- t = coords[ 1 ];
- r = coords[ 2 ];
- d = sqrt( ((x - l) * (x - l)) + ((y - t) * (y - t)) );
- if (d < (double)r)
- {
- return m_Link;
- }
- }
- break;
- case POLY:
- {
- if (coords.GetCount() >= 6)
- {
- int intersects = 0;
- int wherex = x;
- int wherey = y;
- int totalv = coords.GetCount() / 2;
- int totalc = totalv * 2;
- int xval = coords[totalc - 2];
- int yval = coords[totalc - 1];
- int end = totalc;
- int pointer = 1;
-
- if ((yval >= wherey) != (coords[pointer] >= wherey))
- {
- if ((xval >= wherex) == (coords[0] >= wherex))
- {
- intersects += (xval >= wherex) ? 1 : 0;
- }
- else
- {
- intersects += ((xval - (yval - wherey) *
- (coords[0] - xval) /
- (coords[pointer] - yval)) >= wherex) ? 1 : 0;
- }
- }
-
- while (pointer < end)
- {
- yval = coords[pointer];
- pointer += 2;
- if (yval >= wherey)
- {
- while((pointer < end) && (coords[pointer] >= wherey))
- {
- pointer+=2;
- }
- if (pointer >= end)
- {
- break;
- }
- if ((coords[pointer-3] >= wherex) ==
- (coords[pointer-1] >= wherex))
- {
- intersects += (coords[pointer-3] >= wherex) ? 1 : 0;
- }
- else
- {
- intersects +=
- ((coords[pointer-3] - (coords[pointer-2] - wherey) *
- (coords[pointer-1] - coords[pointer-3]) /
- (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1:0;
- }
- }
- else
- {
- while((pointer < end) && (coords[pointer] < wherey))
- {
- pointer+=2;
- }
- if (pointer >= end)
- {
- break;
- }
- if ((coords[pointer-3] >= wherex) ==
- (coords[pointer-1] >= wherex))
- {
- intersects += (coords[pointer-3] >= wherex) ? 1:0;
- }
- else
- {
- intersects +=
- ((coords[pointer-3] - (coords[pointer-2] - wherey) *
- (coords[pointer-1] - coords[pointer-3]) /
- (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1:0;
- }
- }
- }
- if ((intersects & 1) != 0)
- {
- return m_Link;
- }
- }
- }
- break;
- }
- if (m_Next)
- {
- wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
- return a->GetLink( x, y );
- }
- return wxEmptyString;
+ switch (type)
+ {
+ case RECT:
+ if ( coords.GetCount() == 4 )
+ {
+ int l, t, r, b;
+
+ l = coords[ 0 ];
+ t = coords[ 1 ];
+ r = coords[ 2 ];
+ b = coords[ 3 ];
+ if (x >= l && x <= r && y >= t && y <= b)
+ {
+ return m_Link;
+ }
+ }
+ break;
+ case CIRCLE:
+ if ( coords.GetCount() == 3 )
+ {
+ int l, t, r;
+ double d;
+
+ l = coords[ 0 ];
+ t = coords[ 1 ];
+ r = coords[ 2 ];
+ d = sqrt( (double) (((x - l) * (x - l)) + ((y - t) * (y - t))) );
+ if (d < (double)r)
+ {
+ return m_Link;
+ }
+ }
+ break;
+ case POLY:
+ if (coords.GetCount() >= 6)
+ {
+ int intersects = 0;
+ int wherex = x;
+ int wherey = y;
+ int totalv = coords.GetCount() / 2;
+ int totalc = totalv * 2;
+ int xval = coords[totalc - 2];
+ int yval = coords[totalc - 1];
+ int end = totalc;
+ int pointer = 1;
+
+ if ((yval >= wherey) != (coords[pointer] >= wherey))
+ {
+ if ((xval >= wherex) == (coords[0] >= wherex))
+ {
+ intersects += (xval >= wherex) ? 1 : 0;
+ }
+ else
+ {
+ intersects += ((xval - (yval - wherey) *
+ (coords[0] - xval) /
+ (coords[pointer] - yval)) >= wherex) ? 1 : 0;
+ }
+ }
+
+ while (pointer < end)
+ {
+ yval = coords[pointer];
+ pointer += 2;
+ if (yval >= wherey)
+ {
+ while ((pointer < end) && (coords[pointer] >= wherey))
+ {
+ pointer += 2;
+ }
+ if (pointer >= end)
+ {
+ break;
+ }
+ if ((coords[pointer - 3] >= wherex) ==
+ (coords[pointer - 1] >= wherex)) {
+ intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
+ }
+ else
+ {
+ intersects +=
+ ((coords[pointer - 3] - (coords[pointer - 2] - wherey) *
+ (coords[pointer - 1] - coords[pointer - 3]) /
+ (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1 : 0;
+ }
+ }
+ else
+ {
+ while ((pointer < end) && (coords[pointer] < wherey))
+ {
+ pointer += 2;
+ }
+ if (pointer >= end)
+ {
+ break;
+ }
+ if ((coords[pointer - 3] >= wherex) ==
+ (coords[pointer - 1] >= wherex))
+ {
+ intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
+ }
+ else
+ {
+ intersects +=
+ ((coords[pointer - 3] - (coords[pointer - 2] - wherey) *
+ (coords[pointer - 1] - coords[pointer - 3]) /
+ (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1 : 0;
+ }
+ }
+ }
+ if ((intersects & 1) != 0)
+ {
+ return m_Link;
+ }
+ }
+ break;
+ }
+
+ if (m_Next)
+ {
+ wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
+ return a->GetLink( x, y );
+ }
+ return NULL;
}
// wxHtmlImageMapCell
// 0-width, 0-height cell that represents map from imagemaps
// it is always placed before wxHtmlImageMapAreaCells
-// It responds to Find(HTML_COND_ISIMAGEMAP)
+// It responds to Find(wxHTML_COND_ISIMAGEMAP)
//--------------------------------------------------------------------------------
class wxHtmlImageMapCell : public wxHtmlCell
{
-public:
- wxHtmlImageMapCell( wxString &name );
-protected:
- wxString m_Name;
-public:
- virtual wxString GetLink( int x = 0, int y = 0 ) const;
- virtual const wxHtmlCell *Find( int cond, const void *param ) const;
+ public:
+ wxHtmlImageMapCell( wxString &name );
+ protected:
+ wxString m_Name;
+ 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);
};
wxHtmlImageMapCell::wxHtmlImageMapCell( wxString &name )
{
- m_Name = name ;
+ m_Name = name ;
}
-wxString wxHtmlImageMapCell::GetLink( int x, int y ) const
+wxHtmlLinkInfo *wxHtmlImageMapCell::GetLink( int x, int y ) const
{
- wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
- if (a)
- return a->GetLink( x, y );
- return wxHtmlCell::GetLink( x, y );
+ wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
+ if (a)
+ return a->GetLink( x, y );
+ return wxHtmlCell::GetLink( x, y );
}
const wxHtmlCell *wxHtmlImageMapCell::Find( int cond, const void *param ) const
{
- if (cond == HTML_COND_ISIMAGEMAP)
- {
- if (m_Name == *((wxString*)(param)))
- return this;
- }
- return wxHtmlCell::Find(cond, param);
+ if (cond == wxHTML_COND_ISIMAGEMAP)
+ {
+ if (m_Name == *((wxString*)(param)))
+ return this;
+ }
+ return wxHtmlCell::Find(cond, param);
}
class wxHtmlImageCell : public wxHtmlCell
{
- public:
- wxBitmap *m_Image;
- wxHtmlImageMapCell *m_ImageMap;
- wxString m_MapName;
-
- wxHtmlImageCell(wxFSFile *input, int w = -1, int h = -1, int align = HTML_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 wxString GetLink( int x = 0, int y = 0 ) const;
+public:
+ 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);
+ 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);
+
+ // If "alt" text is set, it will be used when converting this cell to text.
+ void SetAlt(const wxString& alt);
+ virtual wxString ConvertToText(wxHtmlSelection *sel) const;
+
+#if wxUSE_GIF && wxUSE_TIMER
+ void AdvanceAnimation(wxTimer *timer);
+ virtual void Layout(int w);
+#endif
+
+private:
+ wxBitmap *m_bitmap;
+ int m_align;
+ int m_bmpW, m_bmpH;
+ 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;
+ wxString m_alt;
+
+ wxDECLARE_NO_COPY_CLASS(wxHtmlImageCell);
};
+#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;
+ wxDECLARE_NO_COPY_CLASS(wxGIFTimer);
+};
+#endif
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
// wxHtmlImageCell
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
+
+
+wxHtmlImageCell::wxHtmlImageCell(wxHtmlWindowInterface *windowIface,
+ wxFSFile *input,
+ int w, bool wpercent, int h, bool hpresent, double scale, int align,
+ const wxString& mapname) : wxHtmlCell()
+{
+ m_windowIface = windowIface;
+ m_scale = scale;
+ m_showFrame = false;
+ m_bitmap = NULL;
+ m_bmpW = w;
+ m_bmpH = h;
+ m_align = align;
+ m_bmpWpercent = wpercent;
+ m_bmpHpresent = hpresent;
+ m_imageMap = NULL;
+ m_mapName = mapname;
+ SetCanLiveOnPagebreak(false);
+#if wxUSE_GIF && wxUSE_TIMER
+ m_gifDecoder = NULL;
+ m_gifTimer = NULL;
+ m_physX = m_physY = wxDefaultCoord;
+ m_nCurrFrame = 0;
+#endif
+
+ if ( m_bmpW && m_bmpH )
+ {
+ if ( input )
+ {
+ wxInputStream *s = input->GetStream();
+
+ if ( s )
+ {
+#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;
+
+ 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);
+ }
+ }
+
+ if ( readImg )
+#endif // wxUSE_GIF && wxUSE_TIMER
+ {
+ 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
+ {
+ m_showFrame = true;
+ if ( m_bmpW == wxDefaultCoord ) m_bmpW = 31;
+ if ( m_bmpH == wxDefaultCoord ) m_bmpH = 33;
+ }
+ m_bitmap =
+ new wxBitmap(wxArtProvider::GetBitmap(wxART_MISSING_IMAGE));
+ }
+ }
+ //else: ignore the 0-sized images used sometimes on the Web pages
+
+ }
+
+void wxHtmlImageCell::SetImage(const wxImage& img)
+{
+#if !defined(__WXMSW__) || wxUSE_WXDIB
+ if ( img.IsOk() )
+ {
+ delete m_bitmap;
+
+ int ww, hh;
+ ww = img.GetWidth();
+ hh = img.GetHeight();
+
+ if ( m_bmpW == wxDefaultCoord)
+ m_bmpW = ww;
+ 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
+}
+
+void wxHtmlImageCell::SetAlt(const wxString& alt)
+{
+ m_alt = alt;
+}
+
+wxString wxHtmlImageCell::ConvertToText(wxHtmlSelection* WXUNUSED(sel)) const
+{
+ return m_alt;
+}
-wxHtmlImageCell::wxHtmlImageCell(wxFSFile *input, int w, int h, int align, wxString mapname) : wxHtmlCell()
+#if wxUSE_GIF && wxUSE_TIMER
+void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer)
{
- wxImage *img;
- int ww, hh;
- wxInputStream *s = input -> GetStream();
-
- img = new wxImage(*s, wxBITMAP_TYPE_ANY);
-
- m_Image = NULL;
- if (img && (img -> Ok())) {
- ww = img -> GetWidth();
- hh = img -> GetHeight();
- if (w != -1) m_Width = w; else m_Width = ww;
- if (h != -1) m_Height = h; else m_Height = hh;
- if ((m_Width != ww) || (m_Height != hh)) {
- wxImage img2 = img -> Scale(m_Width, m_Height);
- m_Image = new wxBitmap(img2.ConvertToBitmap());
+ wxImage img;
+
+ // advance current frame
+ m_nCurrFrame++;
+ if (m_nCurrFrame == m_gifDecoder->GetFrameCount())
+ m_nCurrFrame = 0;
+
+ if ( m_physX == wxDefaultCoord )
+ {
+ m_physX = m_physY = 0;
+ for (wxHtmlCell *cell = this; cell; cell = cell->GetParent())
+ {
+ m_physX += cell->GetPosX();
+ m_physY += cell->GetPosY();
+ }
+ }
+
+ 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 ( win->GetClientRect().Intersects(rect) &&
+ m_gifDecoder->ConvertToImage(m_nCurrFrame, &img) )
+ {
+#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->GetFramePosition(m_nCurrFrame),
+ true /* use mask */);
}
else
- m_Image = new wxBitmap(img -> ConvertToBitmap());
- delete img;
+#endif
+ SetImage(img);
+ win->Refresh(img.HasMask(), &rect);
}
- switch (align) {
- case HTML_ALIGN_TOP :
- m_Descent = m_Height; break;
- case HTML_ALIGN_CENTER :
- m_Descent = m_Height / 2; break;
- case HTML_ALIGN_BOTTOM : default :
- m_Descent = 0; break;
+
+ 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<int>(m_scale*m_bmpH);
+ } else
+ {
+ m_Width = static_cast<int>(m_scale*m_bmpW);
+ m_Height = static_cast<int>(m_scale*m_bmpH);
}
- m_ImageMap = NULL;
- m_MapName = mapname;
+ 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 = wxDefaultCoord;
}
+#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 view_y1, int view_y2)
+void wxHtmlImageCell::Draw(wxDC& dc, int x, int y,
+ int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
- if (m_Image)
- dc.DrawBitmap(*m_Image, x + m_PosX, y + m_PosY, TRUE);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ 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 * imageScaleX, us_y * imageScaleY);
+
+ dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (imageScaleX)),
+ (int) ((y + m_PosY) / (imageScaleY)), true);
+ dc.SetUserScale(us_x, us_y);
+ }
}
-wxString wxHtmlImageCell::GetLink( int x, int y ) const
+wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const
{
- if (m_MapName.IsEmpty())
- return wxHtmlCell::GetLink( x, y );
- if (!m_ImageMap)
- {
- wxHtmlContainerCell *p, *op;
- op = p = GetParent();
- while (p)
- {
- op = p;
- p = p->GetParent();
- }
- p = op;
- wxHtmlCell *cell = (wxHtmlCell*)p->Find( HTML_COND_ISIMAGEMAP, (const void*)(&m_MapName));
- if (!cell)
- {
- ((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);
- *cx = (wxHtmlImageMapCell*)cell;
+ if (m_mapName.empty())
+ return wxHtmlCell::GetLink( x, y );
+ if (!m_imageMap)
+ {
+ wxHtmlContainerCell *p, *op;
+ op = p = GetParent();
+ while (p)
+ {
+ op = p;
+ p = p->GetParent();
+ }
+ p = op;
+ wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP,
+ (const void*)(&m_mapName));
+ if (!cell)
+ {
+ ((wxString&)m_mapName).Clear();
+ return wxHtmlCell::GetLink( x, y );
}
- }
- return m_ImageMap->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);
+ *cx = (wxHtmlImageMapCell*)cell;
+ }
+ }
+ return m_imageMap->GetLink(x, y);
}
// tag handler
//--------------------------------------------------------------------------------
-TAG_HANDLER_BEGIN(IMG, "IMG, MAP, AREA")
+TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA")
+ TAG_HANDLER_CONSTR(IMG) { }
TAG_HANDLER_PROC(tag)
{
- if (tag.GetName() == "IMG")
- {
- if (tag.HasParam("SRC")) {
- int w = -1, h = -1;
- int al;
- wxFSFile *str;
- wxString tmp = tag.GetParam("SRC");
- wxString mn = wxEmptyString;
-
- str = m_WParser -> GetFS() -> OpenFile(tmp);
- if (tag.HasParam("WIDTH")) tag.ScanParam("WIDTH", "%i", &w);
- if (tag.HasParam("HEIGHT(")) tag.ScanParam("HEIGHT(", "%i", &h);
- al = HTML_ALIGN_BOTTOM;
- if (tag.HasParam("ALIGN")) {
- wxString alstr = tag.GetParam("ALIGN");
- alstr.MakeUpper(); // for the case alignment was in ".."
- if (alstr == "TEXTTOP") al = HTML_ALIGN_TOP;
- else if ((alstr == "CENTER") || (alstr == "ABSCENTER")) al = HTML_ALIGN_CENTER;
- }
- if (tag.HasParam("USEMAP"))
- {
- mn = tag.GetParam( "USEMAP" );
- if (mn[ 0 ] == '#')
- {
- mn = mn.Mid( 1 );
- }
- }
- wxHtmlImageCell *cel = NULL;
- if (str) {
- cel = new wxHtmlImageCell(str, w, h, al, mn);
- cel -> SetLink(m_WParser -> GetLink());
- m_WParser -> GetContainer() -> InsertCell(cel);
- delete str;
- }
- }
- }
- if (tag.GetName() == "MAP")
- {
- m_WParser->CloseContainer();
- m_WParser->OpenContainer();
- if (tag.HasParam("NAME"))
- {
- wxString tmp = tag.GetParam("NAME");
- wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
- m_WParser->GetContainer()->InsertCell( cel );
- }
- ParseInner( tag );
- m_WParser->CloseContainer();
- m_WParser->OpenContainer();
- }
- if (tag.GetName() == "AREA")
- {
- if (tag.HasParam("SHAPE"))
- {
- wxString tmp = tag.GetParam("SHAPE");
- wxString coords;
- tmp.MakeUpper();
- wxHtmlImageMapAreaCell *cel = NULL;
- if (tag.HasParam("COORDS"))
- {
- coords = tag.GetParam("COORDS");
- }
- if (tmp == "POLY")
- {
- cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords );
- }
- else if (tmp == "CIRCLE")
- {
- cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::CIRCLE, coords );
- }
- else if (tmp == "RECT(")
- {
- cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords );
- }
- if (cel && tag.HasParam("HREF"))
- {
- wxString tmp = tag.GetParam("HREF");
- cel->SetLink( tmp );
- }
- m_WParser->GetContainer()->InsertCell( cel );
- }
- }
-
- return FALSE;
+ if (tag.GetName() == wxT("IMG"))
+ {
+ wxString tmp;
+ if (tag.GetParamAsString(wxT("SRC"), &tmp))
+ {
+ int w = wxDefaultCoord, h = wxDefaultCoord;
+ bool wpercent = false;
+ bool hpresent = false;
+ int al;
+ wxFSFile *str;
+ wxString mn;
+
+ str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp);
+
+ if (tag.GetParamAsIntOrPercent(wxT("WIDTH"), &w, wpercent))
+ {
+ if (wpercent)
+ {
+ if (w < 0)
+ w = 0;
+ else if (w > 100)
+ w = 100;
+ }
+ }
+
+ if (tag.GetParamAsInt(wxT("HEIGHT"), &h))
+ {
+ hpresent = true;
+ }
+
+ al = wxHTML_ALIGN_BOTTOM;
+ wxString alstr;
+ if (tag.GetParamAsString(wxT("ALIGN"), &alstr))
+ {
+ alstr.MakeUpper(); // for the case alignment was in ".."
+ if (alstr == wxT("TEXTTOP"))
+ al = wxHTML_ALIGN_TOP;
+ else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER")))
+ al = wxHTML_ALIGN_CENTER;
+ }
+ if (tag.GetParamAsString(wxT("USEMAP"), &mn))
+ {
+ if ( !mn.empty() && *mn.begin() == '#' )
+ {
+ mn = mn.Mid( 1 );
+ }
+ }
+ wxHtmlImageCell *cel = new wxHtmlImageCell(
+ m_WParser->GetWindowInterface(),
+ str, w, wpercent, h, hpresent,
+ m_WParser->GetPixelScale(),
+ al, mn);
+ m_WParser->ApplyStateToCell(cel);
+ m_WParser->StopCollapsingSpaces();
+ cel->SetId(tag.GetParam(wxT("id"))); // may be empty
+ cel->SetAlt(tag.GetParam(wxT("alt")));
+ m_WParser->GetContainer()->InsertCell(cel);
+ if (str)
+ delete str;
+ }
+ }
+ if (tag.GetName() == wxT("MAP"))
+ {
+ m_WParser->CloseContainer();
+ m_WParser->OpenContainer();
+ wxString tmp;
+ if (tag.GetParamAsString(wxT("NAME"), &tmp))
+ {
+ wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
+ m_WParser->GetContainer()->InsertCell( cel );
+ }
+ ParseInner( tag );
+ m_WParser->CloseContainer();
+ m_WParser->OpenContainer();
+ }
+ if (tag.GetName() == wxT("AREA"))
+ {
+ wxString tmp;
+ if (tag.GetParamAsString(wxT("SHAPE"), &tmp))
+ {
+ wxString coords = tag.GetParam(wxT("COORDS"));
+ tmp.MakeUpper();
+ wxHtmlImageMapAreaCell *cel = NULL;
+ if (tmp == wxT("POLY"))
+ {
+ cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords, m_WParser->GetPixelScale() );
+ }
+ else if (tmp == wxT("CIRCLE"))
+ {
+ cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::CIRCLE, coords, m_WParser->GetPixelScale() );
+ }
+ else if (tmp == wxT("RECT"))
+ {
+ cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
+ }
+ wxString href;
+ if (cel != NULL && tag.GetParamAsString(wxT("HREF"), &href))
+ cel->SetLink(wxHtmlLinkInfo(href, tag.GetParam(wxT("TARGET"))));
+ if (cel != NULL)
+ m_WParser->GetContainer()->InsertCell( cel );
+ }
+ }
+
+ return false;
}
-TAG_HANDLER_END(IMAGE)
+TAG_HANDLER_END(IMG)
projects / wxWidgets.git / blobdiff