/////////////////////////////////////////////////////////////////////////////
-// Name: mod_image.cpp
+// Name: m_image.cpp
// Purpose: wxHtml module for displaying images
// Author: Vaclav Slavik
// RCS-ID: $Id$
#include "wx/wxprec.h"
#include "wx/defs.h"
-#if wxUSE_HTML
+#if wxUSE_HTML && wxUSE_STREAMS
#ifdef __BORDLANDC__
#pragma hdrstop
#endif
#ifndef WXPRECOMP
-#include "wx/wx.h"
+ #include "wx/dc.h"
#endif
#include "wx/html/forcelnk.h"
#include "wx/html/m_templ.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)
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;
};
-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( wxAtoi( x.Left( i ).c_str() ) );
- x = x.Mid( i + 1 );
- }
- coords.Add( wxAtoi( x.c_str() ) );
+ int i;
+ wxString x = incoords, y;
+
+ type = t;
+ while ((i = x.Find( ',' )) != -1)
+ {
+ 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( (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 wxEmptyString;
+ 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( (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;
}
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;
};
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 == wxHTML_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);
}
{
public:
wxBitmap *m_Image;
- wxHtmlImageMapCell *m_ImageMap;
- wxString m_MapName;
+ double m_Scale;
+ wxHtmlImageMapCell *m_ImageMap;
+ wxString m_MapName;
- wxHtmlImageCell(wxFSFile *input, int w = -1, int h = -1, int align = wxHTML_ALIGN_BOTTOM, wxString mapname = wxEmptyString);
- ~wxHtmlImageCell() {if (m_Image) delete m_Image;}
+ 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 wxString GetLink( int x = 0, int y = 0 ) const;
+ virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
};
// wxHtmlImageCell
//--------------------------------------------------------------------------------
-wxHtmlImageCell::wxHtmlImageCell(wxFSFile *input, int w, int h, int align, wxString mapname) : wxHtmlCell()
+wxHtmlImageCell::wxHtmlImageCell(wxFSFile *input, int w, int h, double scale, int align, wxString mapname) : wxHtmlCell()
{
wxImage *img;
- int ww, hh;
- wxInputStream *s = input -> GetStream();
+ 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())) {
- 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);
+ if (img && (img->Ok()))
+ {
+ 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());
+ m_Image = new wxBitmap(img->ConvertToBitmap());
delete img;
}
- switch (align) {
+ switch (align)
+ {
case wxHTML_ALIGN_TOP :
- m_Descent = m_Height; break;
+ m_Descent = m_Height;
+ break;
case wxHTML_ALIGN_CENTER :
- m_Descent = m_Height / 2; break;
- case wxHTML_ALIGN_BOTTOM : default :
- m_Descent = 0; break;
+ m_Descent = m_Height / 2;
+ break;
+ case wxHTML_ALIGN_BOTTOM :
+ default :
+ m_Descent = 0;
+ break;
}
m_ImageMap = NULL;
void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
{
if (m_Image)
- dc.DrawBitmap(*m_Image, x + m_PosX, y + m_PosY, TRUE);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ {
+ 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, (int) ((x + m_PosX) / m_Scale),
+ (int) ((y + m_PosY) / m_Scale), 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( 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
+ 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( 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);
- *cx = (wxHtmlImageMapCell*)cell;
+ *cx = (wxHtmlImageMapCell*)cell;
}
- }
- return m_ImageMap->GetLink( x, y );
+ }
+ return m_ImageMap->GetLink( x, y );
}
// tag handler
//--------------------------------------------------------------------------------
-TAG_HANDLER_BEGIN(IMG, "IMG, MAP, AREA")
+TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA")
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(wxT("WIDTH"))) tag.ScanParam(wxT("WIDTH"), wxT("%i"), &w);
- if (tag.HasParam(wxT("HEIGHT"))) tag.ScanParam(wxT("HEIGHT"), wxT("%i"), &h);
- al = wxHTML_ALIGN_BOTTOM;
- if (tag.HasParam("ALIGN")) {
- wxString alstr = tag.GetParam("ALIGN");
- alstr.MakeUpper(); // for the case alignment was in ".."
- if (alstr == "TEXTTOP") al = wxHTML_ALIGN_TOP;
- else if ((alstr == "CENTER") || (alstr == "ABSCENTER")) al = wxHTML_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 != NULL && tag.HasParam("HREF"))
- {
- wxString tmp = tag.GetParam("HREF");
- cel->SetLink( tmp );
- }
- if (cel != NULL) m_WParser->GetContainer()->InsertCell( cel );
- }
- }
+ 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.GetParamAsInt(wxT("WIDTH"), &w);
+ if (tag.HasParam(wxT("HEIGHT")))
+ tag.GetParamAsInt(wxT("HEIGHT"), &h);
+ al = wxHTML_ALIGN_BOTTOM;
+ 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 (tag.HasParam(wxT("USEMAP")))
+ {
+ mn = tag.GetParam( wxT("USEMAP") );
+ 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);
+ delete str;
+ }
+ }
+ }
+ if (tag.GetName() == wxT("MAP"))
+ {
+ m_WParser->CloseContainer();
+ m_WParser->OpenContainer();
+ if (tag.HasParam(wxT("NAME")))
+ {
+ wxString tmp = tag.GetParam(wxT("NAME"));
+ wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
+ m_WParser->GetContainer()->InsertCell( cel );
+ }
+ ParseInner( tag );
+ m_WParser->CloseContainer();
+ m_WParser->OpenContainer();
+ }
+ 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")))
+ {
+ coords = tag.GetParam(wxT("COORDS"));
+ }
+ 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() );
+ }
+ 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));
+ }
+ if (cel != NULL) m_WParser->GetContainer()->InsertCell( cel );
+ }
+ }
return FALSE;
}
-TAG_HANDLER_END(IMAGE)
+TAG_HANDLER_END(IMG)
projects / wxWidgets.git / blobdiff