/////////////////////////////////////////////////////////////////////////////
-// 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"
+ #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/image.h"
+#include "wx/gifdecod.h"
#include "wx/dynarray.h"
#include <math.h>
#include <float.h>
-FORCE_LINK_ME(mod_image)
+FORCE_LINK_ME(m_image)
protected:
CoordArray coords;
celltype type;
- int radius;
+ int radius;
public:
- wxHtmlImageMapAreaCell( celltype t, wxString &coords );
- virtual wxString GetLink( int x = 0, int y = 0 ) const;
+ 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;
+ int i;
wxString x = incoords, y;
type = t;
- while ((i = x.Find( ',' )) != -1) {
- coords.Add( wxAtoi( x.Left( i ).c_str() ) );
+ while ((i = x.Find( ',' )) != -1)
+ {
+ coords.Add( (int)(pixel_scale * (double)wxAtoi( x.Left( i ).c_str())) );
x = x.Mid( i + 1 );
}
- coords.Add( wxAtoi( x.c_str() ) );
+ 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) {
+ switch (type)
+ {
case RECT:
{
- int l, t, r, b;
+ 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) {
+ if (x >= l && x <= r && y >= t && y <= b)
+ {
return m_Link;
}
break;
}
case CIRCLE:
{
- int l, t, r;
- double d;
+ 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) {
+ 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)) {
+ 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 {
+ }
+ 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) {
- wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
+
+ if (m_Next)
+ {
+ wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
return a->GetLink( x, y );
}
- return wxEmptyString;
+ return NULL;
}
protected:
wxString m_Name;
public:
- virtual wxString GetLink( int x = 0, int y = 0 ) const;
+ virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
virtual const wxHtmlCell *Find( int cond, const void *param ) const;
};
m_Name = name ;
}
-wxString wxHtmlImageMapCell::GetLink( int x, int y ) const
+wxHtmlLinkInfo *wxHtmlImageMapCell::GetLink( int x, int y ) const
{
- wxHtmlImageMapAreaCell *a = (wxHtmlImageMapAreaCell*)m_Next;
+ 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 (cond == wxHTML_COND_ISIMAGEMAP)
+ {
if (m_Name == *((wxString*)(param)))
return this;
}
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 = 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;
+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);
+ 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;
+ 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;
};
+#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;
+};
+#endif
//--------------------------------------------------------------------------------
// wxHtmlImageCell
//--------------------------------------------------------------------------------
-wxHtmlImageCell::wxHtmlImageCell(wxFSFile *input, int w, int h, 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;
- 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());
- } else
- m_Image = new wxBitmap(img -> ConvertToBitmap());
- delete img;
+ m_window = window ? wxStaticCast(window, wxScrolledWindow) : NULL;
+ m_scale = scale;
+ 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
+
+ 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
+ {
+ SetImage(wxImage(*s, wxBITMAP_TYPE_ANY));
+ }
}
- switch (align) {
+
+ 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;
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)
- dc.DrawBitmap(*m_Image, x + m_PosX, y + m_PosY, TRUE);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ wxHtmlCell::Layout(w);
+ m_physX = m_physY = -1;
}
-wxString wxHtmlImageCell::GetLink( int x, int y ) const
+#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))
{
- if (m_MapName.IsEmpty())
+ 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_bitmap, (int) ((x + m_PosX) / m_scale),
+ (int) ((y + m_PosY) / m_scale), TRUE);
+ dc.SetUserScale(us_x, us_y);
+ }
+}
+
+wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const
+{
+ if (m_mapName.IsEmpty())
return wxHtmlCell::GetLink( x, y );
- if (!m_ImageMap) {
- wxHtmlContainerCell *p, *op;
+ 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
+ { // 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() == "IMG") {
- if (tag.HasParam("SRC")) {
+ if (tag.GetName() == wxT("IMG"))
+ {
+ if (tag.HasParam(wxT("SRC")))
+ {
int w = -1, h = -1;
int al;
wxFSFile *str;
- wxString tmp = tag.GetParam("SRC");
+ 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->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("ALIGN")) {
- wxString alstr = tag.GetParam("ALIGN");
+ if (tag.HasParam(wxT("ALIGN")))
+ {
+ wxString alstr = tag.GetParam(wxT("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 (alstr == wxT("TEXTTOP"))
+ al = wxHTML_ALIGN_TOP;
+ else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER")))
+ al = wxHTML_ALIGN_CENTER;
}
- if (tag.HasParam("USEMAP")) {
- mn = tag.GetParam( "USEMAP" );
- if (mn[ 0 ] == '#') {
+ 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, al, mn);
- cel -> SetLink(m_WParser -> GetLink());
- 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() == "MAP") {
+ if (tag.GetName() == wxT("MAP"))
+ {
m_WParser->CloseContainer();
m_WParser->OpenContainer();
- if (tag.HasParam("NAME")) {
- wxString tmp = tag.GetParam("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() == "AREA") {
- if (tag.HasParam("SHAPE")) {
- wxString tmp = tag.GetParam("SHAPE");
- wxString coords;
+ 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("COORDS")) {
- coords = tag.GetParam("COORDS");
+ 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() );
}
- 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 );
+ else if (tmp == wxT("RECT"))
+ {
+ cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
}
- if (cel != NULL && tag.HasParam("HREF")) {
- wxString tmp = tag.GetParam("HREF");
- cel->SetLink( tmp );
+ 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 );
}
projects / wxWidgets.git / blobdiff