// 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
/////////////////////////////////////////////////////////////////////////////
#if wxUSE_HTML && wxUSE_STREAMS
-#ifndef WXPRECOMP
+#ifndef WX_PRECOMP
#include "wx/dynarray.h"
#include "wx/dc.h"
#include "wx/scrolwin.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/artprov.h"
wxHtmlRenderingInfo& WXUNUSED(info)) {}
- DECLARE_NO_COPY_CLASS(wxHtmlImageMapAreaCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlImageMapAreaCell);
};
switch (type)
{
case RECT:
+ if ( coords.GetCount() == 4 )
{
int l, t, r, b;
{
return m_Link;
}
- break;
}
+ break;
case CIRCLE:
+ if ( coords.GetCount() == 3 )
{
int l, t, r;
double d;
}
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;
- }
- }
+ 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;
}
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingInfo& WXUNUSED(info)) {}
- DECLARE_NO_COPY_CLASS(wxHtmlImageMapCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlImageMapCell);
};
{
public:
wxHtmlImageCell(wxHtmlWindowInterface *windowIface,
- wxFSFile *input, int w = wxDefaultCoord, int h = wxDefaultCoord,
+ 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();
+ 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);
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;
- DECLARE_NO_COPY_CLASS(wxHtmlImageCell)
+ wxDECLARE_NO_COPY_CLASS(wxHtmlImageCell);
};
#if wxUSE_GIF && wxUSE_TIMER
private:
wxHtmlImageCell *m_cell;
- DECLARE_NO_COPY_CLASS(wxGIFTimer)
+ wxDECLARE_NO_COPY_CLASS(wxGIFTimer);
};
#endif
wxHtmlImageCell::wxHtmlImageCell(wxHtmlWindowInterface *windowIface,
wxFSFile *input,
- int w, int h, double scale, int align,
+ 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_bmpW = w;
+ m_bmpH = h;
+ m_align = align;
+ m_bmpWpercent = wpercent;
+ m_bmpHpresent = hpresent;
m_imageMap = NULL;
m_mapName = mapname;
SetCanLiveOnPagebreak(false);
m_gifDecoder = NULL;
m_gifTimer = NULL;
m_physX = m_physY = wxDefaultCoord;
+ m_nCurrFrame = 0;
#endif
if ( m_bmpW && m_bmpH )
(input->GetLocation().Matches(wxT("*.gif")) ||
input->GetLocation().Matches(wxT("*.GIF"))) )
{
- m_gifDecoder = new wxGIFDecoder(s, true);
- if ( m_gifDecoder->ReadGIF() == wxGIF_OK )
+ m_gifDecoder = new wxGIFDecoder();
+ if ( m_gifDecoder->LoadGIF(*s) == wxGIF_OK )
{
wxImage img;
- if ( m_gifDecoder->ConvertToImage(&img) )
+ if ( m_gifDecoder->ConvertToImage(0, &img) )
SetImage(img);
readImg = false;
if ( m_gifDecoder->IsAnimation() )
{
m_gifTimer = new wxGIFTimer(this);
- m_gifTimer->Start(m_gifDecoder->GetDelay(), true);
+ long delay = m_gifDecoder->GetDelay(0);
+ if ( delay == 0 )
+ delay = 1;
+ m_gifTimer->Start(delay, true);
}
else
{
#endif // wxUSE_GIF && wxUSE_TIMER
{
wxImage image(*s, wxBITMAP_TYPE_ANY);
- if ( image.Ok() )
+ if ( image.IsOk() )
SetImage(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 !defined(__WXMSW__) || wxUSE_WXDIB
- if ( img.Ok() )
+ if ( img.IsOk() )
{
delete m_bitmap;
ww = img.GetWidth();
hh = img.GetHeight();
- if ( m_bmpW == wxDefaultCoord )
+ if ( m_bmpW == wxDefaultCoord)
m_bmpW = ww;
- if ( m_bmpH == wxDefaultCoord )
+ if ( m_bmpH == wxDefaultCoord)
m_bmpH = hh;
// Only scale the bitmap at the rendering stage,
#endif
}
+void wxHtmlImageCell::SetAlt(const wxString& alt)
+{
+ m_alt = alt;
+}
+
+wxString wxHtmlImageCell::ConvertToText(wxHtmlSelection* WXUNUSED(sel)) const
+{
+ return m_alt;
+}
+
#if wxUSE_GIF && wxUSE_TIMER
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 == wxDefaultCoord )
{
wxRect rect(pos, wxSize(m_Width, m_Height));
if ( win->GetClientRect().Intersects(rect) &&
- m_gifDecoder->ConvertToImage(&img) )
+ m_gifDecoder->ConvertToImage(m_nCurrFrame, &img) )
{
#if !defined(__WXMSW__) || wxUSE_WXDIB
- if ( (int)m_gifDecoder->GetWidth() != m_Width ||
- (int)m_gifDecoder->GetHeight() != m_Height ||
- m_gifDecoder->GetLeft() != 0 || m_gifDecoder->GetTop() != 0 )
+ 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
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<int>(m_scale*m_bmpH);
+ } else
+ {
+ m_Width = static_cast<int>(m_scale*m_bmpW);
+ m_Height = static_cast<int>(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 = wxDefaultCoord;
}
// and height, so we only do the scaling once.
double imageScaleX = 1.0;
double imageScaleY = 1.0;
- if (m_bmpW != m_bitmap->GetWidth())
- imageScaleX = (double) m_bmpW / (double) m_bitmap->GetWidth();
- if (m_bmpH != m_bitmap->GetHeight())
- imageScaleY = (double) m_bmpH / (double) m_bitmap->GetHeight();
+ 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 * imageScaleX, us_y * m_scale * imageScaleY);
+ dc.SetUserScale(us_x * imageScaleX, us_y * imageScaleY);
- dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (m_scale*imageScaleX)),
- (int) ((y + m_PosY) / (m_scale*imageScaleY)), true);
+ dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (imageScaleX)),
+ (int) ((y + m_PosY) / (imageScaleY)), true);
dc.SetUserScale(us_x, us_y);
}
}
{
if (tag.GetName() == wxT("IMG"))
{
- if (tag.HasParam(wxT("SRC")))
+ wxString tmp;
+ if (tag.GetParamAsString(wxT("SRC"), &tmp))
{
int w = wxDefaultCoord, h = wxDefaultCoord;
+ bool wpercent = false;
+ bool hpresent = false;
int al;
wxFSFile *str;
- wxString tmp = tag.GetParam(wxT("SRC"));
- wxString mn = wxEmptyString;
+ wxString mn;
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);
+ 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;
- if (tag.HasParam(wxT("ALIGN")))
+ wxString alstr;
+ if (tag.GetParamAsString(wxT("ALIGN"), &alstr))
{
- 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 (tag.HasParam(wxT("USEMAP")))
+ if (tag.GetParamAsString(wxT("USEMAP"), &mn))
{
- mn = tag.GetParam( wxT("USEMAP") );
- if (mn.GetChar(0) == wxT('#'))
+ if ( !mn.empty() && *mn.begin() == '#' )
{
mn = mn.Mid( 1 );
}
}
wxHtmlImageCell *cel = new wxHtmlImageCell(
m_WParser->GetWindowInterface(),
- str, w, h,
+ 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;
{
m_WParser->CloseContainer();
m_WParser->OpenContainer();
- if (tag.HasParam(wxT("NAME")))
+ wxString tmp;
+ if (tag.GetParamAsString(wxT("NAME"), &tmp))
{
- wxString tmp = tag.GetParam(wxT("NAME"));
wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
m_WParser->GetContainer()->InsertCell( cel );
}
}
if (tag.GetName() == wxT("AREA"))
{
- if (tag.HasParam(wxT("SHAPE")))
+ wxString tmp;
+ if (tag.GetParamAsString(wxT("SHAPE"), &tmp))
{
- wxString tmp = tag.GetParam(wxT("SHAPE"));
- wxString coords = wxEmptyString;
+ wxString coords = tag.GetParam(wxT("COORDS"));
tmp.MakeUpper();
wxHtmlImageMapAreaCell *cel = NULL;
- if (tag.HasParam(wxT("COORDS")))
- {
- coords = tag.GetParam(wxT("COORDS"));
- }
if (tmp == wxT("POLY"))
{
cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords, m_WParser->GetPixelScale() );
{
cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
}
- if (cel != NULL && tag.HasParam(wxT("HREF")))
- {
- wxString target;
- if (tag.HasParam(wxT("TARGET")))
- target = tag.GetParam(wxT("TARGET"));
- cel->SetLink(wxHtmlLinkInfo(tag.GetParam(wxT("HREF")), target));
- }
+ 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 );
}
projects / wxWidgets.git / blobdiff