#include "wx/defs.h"
#if wxUSE_HTML && wxUSE_STREAMS
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WXPRECOMP
-#include "wx/wx.h"
+ #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 "wx/artprov.h"
#include <math.h>
#include <float.h>
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:
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),
+ wxHtmlRenderingState& WXUNUSED(state)) {}
};
wxString x = incoords, y;
type = t;
- while ((i = x.Find( ',' )) != -1)
+ while ((i = x.Find( ',' )) != -1)
{
coords.Add( (int)(pixel_scale * (double)wxAtoi( x.Left( i ).c_str())) );
x = x.Mid( i + 1 );
wxHtmlLinkInfo *wxHtmlImageMapAreaCell::GetLink( int x, int y ) const
{
- switch (type)
+ switch (type)
{
case RECT:
{
t = coords[ 1 ];
r = coords[ 2 ];
b = coords[ 3 ];
- if (x >= l && x <= r && y >= t && y <= b)
- {
+ if (x >= l && x <= r && y >= t && y <= b)
+ {
return m_Link;
}
break;
t = coords[ 1 ];
r = coords[ 2 ];
d = sqrt( (double) (((x - l) * (x - l)) + ((y - t) * (y - t))) );
- if (d < (double)r)
- {
+ if (d < (double)r)
+ {
return m_Link;
}
}
break;
case POLY:
{
- if (coords.GetCount() >= 6)
- {
+ if (coords.GetCount() >= 6)
+ {
int intersects = 0;
int wherex = x;
int wherey = y;
int end = totalc;
int pointer = 1;
- if ((yval >= wherey) != (coords[pointer] >= wherey))
- {
- if ((xval >= wherex) == (coords[0] >= wherex))
- {
+ if ((yval >= wherey) != (coords[pointer] >= wherey))
+ {
+ if ((xval >= wherex) == (coords[0] >= wherex))
+ {
intersects += (xval >= wherex) ? 1 : 0;
- }
- else
- {
+ }
+ else
+ {
intersects += ((xval - (yval - wherey) *
(coords[0] - xval) /
(coords[pointer] - yval)) >= wherex) ? 1 : 0;
}
}
- while (pointer < end)
- {
+ while (pointer < end)
+ {
yval = coords[pointer];
pointer += 2;
- if (yval >= wherey)
- {
- while ((pointer < end) && (coords[pointer] >= wherey))
- {
+ if (yval >= wherey)
+ {
+ while ((pointer < end) && (coords[pointer] >= wherey))
+ {
pointer += 2;
}
- if (pointer >= end)
- {
+ if (pointer >= end)
+ {
break;
}
if ((coords[pointer - 3] >= wherex) ==
(coords[pointer - 1] >= wherex)) {
intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
- }
- else
- {
+ }
+ 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))
- {
+ }
+ else
+ {
+ while ((pointer < end) && (coords[pointer] < wherey))
+ {
pointer += 2;
}
- if (pointer >= end)
- {
+ if (pointer >= end)
+ {
break;
}
if ((coords[pointer - 3] >= wherex) ==
- (coords[pointer - 1] >= wherex))
- {
+ (coords[pointer - 1] >= wherex))
+ {
intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
- }
- else
- {
+ }
+ else
+ {
intersects +=
((coords[pointer - 3] - (coords[pointer - 2] - wherey) *
(coords[pointer - 1] - coords[pointer - 3]) /
}
}
}
- if ((intersects & 1) != 0)
- {
+ if ((intersects & 1) != 0)
+ {
return m_Link;
}
}
break;
}
- if (m_Next)
+ if (m_Next)
{
wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
return a->GetLink( x, y );
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),
+ wxHtmlRenderingState& WXUNUSED(state)) {}
};
const wxHtmlCell *wxHtmlImageMapCell::Find( int cond, const void *param ) const
{
- if (cond == wxHTML_COND_ISIMAGEMAP)
+ if (cond == wxHTML_COND_ISIMAGEMAP)
{
if (m_Name == *((wxString*)(param)))
return this;
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,
+ wxHtmlRenderingState& state);
+ 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;
+
+ DECLARE_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;
+ DECLARE_NO_COPY_CLASS(wxGIFTimer)
+};
+#endif
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
// wxHtmlImageCell
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
-wxHtmlImageCell::wxHtmlImageCell(wxFSFile *input, int w, int h, double scale, int align, wxString mapname) : wxHtmlCell()
+
+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;
-
- m_Width = (int)(scale * (double)bw);
- m_Height = (int)(scale * (double)bh);
-
- if ((bw != ww) || (bh != hh))
- {
- wxImage img2 = img->Scale(bw, bh);
- m_Image = new wxBitmap(img2.ConvertToBitmap());
- }
- else
- m_Image = new wxBitmap(img->ConvertToBitmap());
- delete img;
+ if ( input )
+ {
+ wxInputStream *s = input->GetStream();
+
+ if ( s )
+ {
+ bool readImg = TRUE;
+
+#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);
+
+ 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
+ {
+ 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(wxArtProvider::GetBitmap(wxART_MISSING_IMAGE));
+ }
}
- switch (align)
+ //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;
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::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlImageCell::Layout(int w)
{
- if (m_Image)
+ 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),
+ wxHtmlRenderingState& WXUNUSED(state))
+{
+ 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.DrawBitmap(*m_Image, x + m_PosX, y + m_PosY, (m_Image->GetMask() != (wxMask*) 0));
- dc.DrawBitmap(*m_Image, (x + m_PosX) / m_Scale,
- (y + m_PosY) / m_Scale, TRUE);
+ dc.SetUserScale(us_x * m_scale, us_y * m_scale);
+
+ dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / m_scale),
+ (int) ((y + m_PosY) / m_scale), TRUE);
dc.SetUserScale(us_x, us_y);
}
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}
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();
- while (p)
- {
+ 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();
+ wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_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);
+ wxHtmlImageMapCell **cx = (wxHtmlImageMapCell**)(&m_imageMap);
*cx = (wxHtmlImageMapCell*)cell;
}
}
- return m_ImageMap->GetLink( x, y );
+ return m_imageMap->GetLink(x, y);
}
TAG_HANDLER_PROC(tag)
{
- if (tag.GetName() == wxT("IMG"))
- {
- if (tag.HasParam(wxT("SRC")))
- {
+ if (tag.GetName() == wxT("IMG"))
+ {
+ if (tag.HasParam(wxT("SRC")))
+ {
int w = -1, h = -1;
int al;
wxFSFile *str;
wxString tmp = tag.GetParam(wxT("SRC"));
wxString mn = wxEmptyString;
- str = m_WParser->GetFS()->OpenFile(tmp);
- if (tag.HasParam(wxT("WIDTH"))) tag.ScanParam(wxT("WIDTH"), wxT("%i"), &w);
- if (tag.HasParam(wxT("HEIGHT"))) tag.ScanParam(wxT("HEIGHT"), wxT("%i"), &h);
+ str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp);
+
+ if (tag.HasParam(wxT("WIDTH")))
+ tag.GetParamAsInt(wxT("WIDTH"), &w);
+ if (tag.HasParam(wxT("HEIGHT")))
+ tag.GetParamAsInt(wxT("HEIGHT"), &h);
al = wxHTML_ALIGN_BOTTOM;
- if (tag.HasParam(wxT("ALIGN")))
- {
+ if (tag.HasParam(wxT("ALIGN")))
+ {
wxString alstr = tag.GetParam(wxT("ALIGN"));
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 (alstr == wxT("TEXTTOP"))
+ al = wxHTML_ALIGN_TOP;
+ else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER")))
+ al = wxHTML_ALIGN_CENTER;
}
- if (tag.HasParam(wxT("USEMAP")))
- {
+ if (tag.HasParam(wxT("USEMAP")))
+ {
mn = tag.GetParam( wxT("USEMAP") );
- if (mn[ (unsigned int) 0 ] == wxT('#'))
- {
+ if (mn.GetChar(0) == wxT('#'))
+ {
mn = mn.Mid( 1 );
}
}
- wxHtmlImageCell *cel = NULL;
- if (str)
- {
- cel = new wxHtmlImageCell(str, w, h, m_WParser->GetPixelScale(), al, mn);
- cel->SetLink(m_WParser->GetLink());
- m_WParser->GetContainer()->InsertCell(cel);
+ 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)
delete str;
- }
}
}
- if (tag.GetName() == wxT("MAP"))
- {
+ if (tag.GetName() == wxT("MAP"))
+ {
m_WParser->CloseContainer();
m_WParser->OpenContainer();
- if (tag.HasParam(wxT("NAME")))
- {
+ if (tag.HasParam(wxT("NAME")))
+ {
wxString tmp = tag.GetParam(wxT("NAME"));
wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
m_WParser->GetContainer()->InsertCell( cel );
m_WParser->CloseContainer();
m_WParser->OpenContainer();
}
- if (tag.GetName() == wxT("AREA"))
- {
- if (tag.HasParam(wxT("SHAPE")))
- {
+ if (tag.GetName() == wxT("AREA"))
+ {
+ if (tag.HasParam(wxT("SHAPE")))
+ {
wxString tmp = tag.GetParam(wxT("SHAPE"));
wxString coords = wxEmptyString;
tmp.MakeUpper();
wxHtmlImageMapAreaCell *cel = NULL;
- if (tag.HasParam(wxT("COORDS")))
- {
+ if (tag.HasParam(wxT("COORDS")))
+ {
coords = tag.GetParam(wxT("COORDS"));
}
- if (tmp == wxT("POLY"))
- {
+ if (tmp == wxT("POLY"))
+ {
cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords, m_WParser->GetPixelScale() );
- }
- else if (tmp == wxT("CIRCLE"))
- {
+ }
+ else if (tmp == wxT("CIRCLE"))
+ {
cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::CIRCLE, coords, m_WParser->GetPixelScale() );
- }
- else if (tmp == wxT("RECT"))
- {
+ }
+ else if (tmp == wxT("RECT"))
+ {
cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
}
- if (cel != NULL && tag.HasParam(wxT("HREF")))
- {
+ 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"));
projects / wxWidgets.git / blobdiff