[wxWidgets.git] / src / html / htmprint.cpp


/////////////////////////////////////////////////////////////////////////////
// Name:        htmprint.cpp
// Purpose:     html printing classes
// Author:      Vaclav Slavik
// Created:     25/09/99
// RCS-ID:      $Id$
// Copyright:   (c) Vaclav Slavik, 1999
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation
#endif

// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"

#include "wx/defs.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif

#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE

#include "wx/print.h"
#include "wx/printdlg.h"
#include "wx/html/htmprint.h"
#include "wx/wxhtml.h"
#include "wx/wfstream.h"


//--------------------------------------------------------------------------------
// wxHtmlDCRenderer
//--------------------------------------------------------------------------------


wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
{
    m_DC = NULL;
    m_Width = m_Height = 0;
    m_Cells = NULL;
    m_Parser = new wxHtmlWinParser(NULL);
    m_FS = new wxFileSystem();
    m_Parser -> SetFS(m_FS);
    m_Scale = 1.0;
}


wxHtmlDCRenderer::~wxHtmlDCRenderer()
{
    if (m_Cells) delete m_Cells;
    if (m_Parser) delete m_Parser;
    if (m_FS) delete m_FS;
}


void wxHtmlDCRenderer::SetDC(wxDC *dc, int maxwidth)
{
    int dx, dy;

    wxDisplaySize(&dx, &dy);
    m_MaxWidth = maxwidth;
#if 0
    m_Scale = (float)dx * 2 / 3 / (float)maxwidth;
            // let the width of A4 is approximately 2/3 the screen width
#endif
    m_Scale = (float)800 / (float)maxwidth;
            // for now, assume screen width = 800 => good results

    m_DC = dc;
    m_Parser -> SetDC(dc);
}


void wxHtmlDCRenderer::SetSize(int width, int height)
{
    m_Width = (int)(width * m_Scale);
    m_Height = (int)(height * m_Scale);
}


void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepath, bool isdir)
{
    if (m_DC == NULL) return;

    if (m_Cells != NULL) delete m_Cells;
    
    m_FS -> ChangePathTo(basepath, isdir);
    m_DC -> SetUserScale(1.0, 1.0);
    m_Cells = (wxHtmlContainerCell*) m_Parser -> Parse(html);
    m_Cells -> SetIndent(0, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
    m_Cells -> Layout(m_Width);
}


int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
{
    int pbreak, hght;
    
    if (m_Cells == NULL || m_DC == NULL) return 0;
    
    pbreak = (int)(from * m_Scale + m_Height);
    while (m_Cells -> AdjustPagebreak(&pbreak)) {}
    hght = pbreak - (int)(from * m_Scale);
    
    if (!dont_render) {
        int w, h;
        m_DC -> GetSize(&w, &h);
        float overallScale = (float)(w/(float)m_MaxWidth) / m_Scale;
        m_DC -> SetUserScale(overallScale, overallScale);

        m_DC -> SetBrush(*wxWHITE_BRUSH);
        
        m_DC -> SetClippingRegion(x * m_Scale, y * m_Scale, m_Width, hght);
        m_Cells -> Draw(*m_DC, 
                        x * m_Scale, (y - from) * m_Scale, 
                        y * m_Scale, pbreak + (y /*- from*/) * m_Scale);
        m_DC -> DestroyClippingRegion();
    }
    
    if (pbreak < m_Cells -> GetHeight()) return (int)(pbreak / m_Scale);
    else return GetTotalHeight();
}


int wxHtmlDCRenderer::GetTotalHeight()
{
    if (m_Cells) return (int)(m_Cells -> GetHeight() / m_Scale);
    else return 0;
}


//--------------------------------------------------------------------------------
// wxHtmlPrintout
//--------------------------------------------------------------------------------


wxHtmlPrintout::wxHtmlPrintout(const wxString& title) : wxPrintout(title)
{
    m_Renderer = new wxHtmlDCRenderer;
    m_RendererHdr = new wxHtmlDCRenderer;
    m_NumPages = wxHTML_PRINT_MAX_PAGES;
    m_Document = m_BasePath = wxEmptyString; m_BasePathIsDir = TRUE;
    m_Headers[0] = m_Headers[1] = wxEmptyString;
    m_Footers[0] = m_Footers[1] = wxEmptyString;
    m_HeaderHeight = m_FooterHeight = 0;
    SetMargins(); // to default values
}


wxHtmlPrintout::~wxHtmlPrintout()
{
    delete m_Renderer;
    delete m_RendererHdr;
}


bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
{
    int pageWidth, pageHeight, mm_w, mm_h;
    float ppmm_h, ppmm_v;
    
    if (!wxPrintout::OnBeginDocument(startPage, endPage)) return FALSE;

    GetPageSizePixels(&pageWidth, &pageHeight);
    GetPageSizeMM(&mm_w, &mm_h);
    ppmm_h = (float)pageWidth / mm_w;
    ppmm_v = (float)pageHeight / mm_h;

    /* prepare headers/footers renderer: */
    
    m_RendererHdr -> SetDC(GetDC(), pageWidth);
    m_RendererHdr -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop), 
                          ppmm_v * (mm_h - m_MarginTop - m_MarginBottom));
    if (m_Headers[0] != wxEmptyString) {
        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[0], 1));
        m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
    }
    else if (m_Headers[1] != wxEmptyString) {
        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[1], 1));
        m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
    }
    if (m_Footers[0] != wxEmptyString) {
        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[0], 1));
        m_FooterHeight = m_RendererHdr -> GetTotalHeight();
    }
    else if (m_Footers[1] != wxEmptyString) {
        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[1], 1));
        m_FooterHeight = m_RendererHdr -> GetTotalHeight();
    }
    
    /* prepare main renderer: */
    m_Renderer -> SetDC(GetDC(), pageWidth);
    m_Renderer -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop), 
                          ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) - 
                          m_FooterHeight - m_HeaderHeight -
                          ((m_HeaderHeight == 0) ? 0 : m_MarginSpace * ppmm_v) -
                          ((m_FooterHeight == 0) ? 0 : m_MarginSpace * ppmm_v)
                          );
    m_Renderer -> SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
    CountPages();
    return TRUE;
}


bool wxHtmlPrintout::OnPrintPage(int page)
{
    wxDC *dc = GetDC();
    if (dc) {
        if (HasPage(page))
            RenderPage(dc, page);
        return TRUE;
    } else
        return FALSE;
}


void wxHtmlPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
{
    *minPage = 1;
    *maxPage = wxHTML_PRINT_MAX_PAGES;
    *selPageFrom = 1;
    *selPageTo = wxHTML_PRINT_MAX_PAGES;
}


bool wxHtmlPrintout::HasPage(int pageNum)
{
    return (pageNum >= 1 && pageNum <= m_NumPages);
}


void wxHtmlPrintout::SetHtmlText(const wxString& html, const wxString &basepath, bool isdir)
{
    m_Document = html;
    m_BasePath = basepath;
    m_BasePathIsDir = isdir;
}


void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
{
    wxFileSystem fs;
    wxFSFile *ff = fs.OpenFile(htmlfile);
    wxInputStream *st = ff -> GetStream();
    char *t = new char[st -> GetSize() + 1];
    st -> Read(t, st -> GetSize());
    t[st -> GetSize()] = 0;
    
    wxString doc = wxString(t);
    delete t;
    delete ff;
    
    SetHtmlText(doc, htmlfile, FALSE);
}


void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
{
    if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN) 
        m_Headers[0] = header;
    if (pg == wxPAGE_ALL || pg == wxPAGE_ODD) 
        m_Headers[1] = header;
}


void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
{
    if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN) 
        m_Footers[0] = footer;
    if (pg == wxPAGE_ALL || pg == wxPAGE_ODD) 
        m_Footers[1] = footer;
}


void wxHtmlPrintout::CountPages()
{
    wxBusyCursor wait;
    int pageWidth, pageHeight, mm_w, mm_h;
    float ppmm_h, ppmm_v;

    GetPageSizePixels(&pageWidth, &pageHeight);
    GetPageSizeMM(&mm_w, &mm_h);
    ppmm_h = (float)pageWidth / mm_w;
    ppmm_v = (float)pageHeight / mm_h;

    int pos = 0;

    m_NumPages = 0;
    
    m_PageBreaks[0] = 0;
    do {
        pos = m_Renderer -> Render(ppmm_h * m_MarginLeft, 
                                   ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
                                   pos, TRUE);
        m_PageBreaks[++m_NumPages] = pos;
    } while (pos < m_Renderer -> GetTotalHeight());
}


void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
{
    wxBusyCursor wait;

    int pageWidth, pageHeight, mm_w, mm_h;
    float ppmm_h, ppmm_v;

    GetPageSizePixels(&pageWidth, &pageHeight);
    GetPageSizeMM(&mm_w, &mm_h);
    ppmm_h = (float)pageWidth / mm_w;
    ppmm_v = (float)pageHeight / mm_h;
    
    m_Renderer -> SetDC(dc, pageWidth);

    dc -> SetBackgroundMode(wxTRANSPARENT);

    m_Renderer -> Render(ppmm_h * m_MarginLeft, 
                         ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
                         m_PageBreaks[page-1]);
    
    m_RendererHdr -> SetDC(dc, pageWidth);
    if (m_Headers[page % 2] != wxEmptyString) {
        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
        m_RendererHdr -> Render(ppmm_h * m_MarginLeft, ppmm_v * m_MarginTop);
    }
    if (m_Footers[page % 2] != wxEmptyString) {
        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
        m_RendererHdr -> Render(ppmm_h * m_MarginLeft, pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight);
    }
}


wxString wxHtmlPrintout::TranslateHeader(const wxString& instr, int page)
{
    wxString r = instr;
    wxString num;
    
    num.Printf(wxT("%i"), page);
    r.Replace(wxT("@PAGENUM@"), num);

    num.Printf(wxT("%i"), m_NumPages);
    r.Replace(wxT("@PAGESCNT@"), num);

    return r;
}


void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right, float spaces)
{
    m_MarginTop = top;
    m_MarginBottom = bottom;
    m_MarginLeft = left;
    m_MarginRight = right;
    m_MarginSpace = spaces;
}


//--------------------------------------------------------------------------------
// wxHtmlEasyPrinting
//--------------------------------------------------------------------------------


wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_frame)
{
    m_Frame = parent_frame;
    m_Name = name;
    m_PrintData = new wxPrintData;
#if (defined __WXGTK__) || (defined __WXMOTIF__)
    (*m_PrintData) = (*wxThePrintSetupData);
#endif
    m_PageSetupData = new wxPageSetupDialogData;
    m_Headers[0] = m_Headers[1] = m_Footers[0] = m_Footers[1] = wxEmptyString;
    
    m_PageSetupData -> EnableMargins(TRUE);
    m_PageSetupData -> SetMarginTopLeft(wxPoint(25, 25));    
    m_PageSetupData -> SetMarginBottomRight(wxPoint(25, 25));
}


wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
{
    delete m_PrintData;
    delete m_PageSetupData;
}


void wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
{
    wxHtmlPrintout *p1 = CreatePrintout();
    p1 -> SetHtmlFile(htmlfile);
    wxHtmlPrintout *p2 = CreatePrintout();
    p2 -> SetHtmlFile(htmlfile);
    DoPreview(p1, p2);
}


void wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
{
    wxHtmlPrintout *p1 = CreatePrintout();
    p1 -> SetHtmlText(htmltext, basepath, TRUE);
    wxHtmlPrintout *p2 = CreatePrintout();
    p2 -> SetHtmlText(htmltext, basepath, TRUE);
    DoPreview(p1, p2);
}


void wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
{
    wxHtmlPrintout *p = CreatePrintout();
    p -> SetHtmlFile(htmlfile);
    DoPrint(p);
}


void wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
{
    wxHtmlPrintout *p = CreatePrintout();
    p -> SetHtmlText(htmltext, basepath, TRUE);
    DoPrint(p);
}


void wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2)
{
    // Pass two printout objects: for preview, and possible printing.
    wxPrintDialogData printDialogData(*m_PrintData);
    wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
    if (!preview -> Ok()) {
        delete preview;
        wxMessageBox(_("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _("Previewing"), wxOK);
    }
    
    else {
        wxPreviewFrame *frame = new wxPreviewFrame(preview, m_Frame, 
                                                   m_Name + _(" Preview"), 
                                                   wxPoint(100, 100), wxSize(650, 500));
        frame -> Centre(wxBOTH);
        frame -> Initialize();
        frame -> Show(TRUE);
    }
}


void wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
{
    wxPrintDialogData printDialogData(*m_PrintData);
    wxPrinter printer(&printDialogData);

    if (!printer.Print(m_Frame, printout, TRUE))
        wxMessageBox(_("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _("Printing"), wxOK);
    else
        (*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
}


void wxHtmlEasyPrinting::PrinterSetup()
{
    wxPrintDialogData printDialogData(*m_PrintData);
    wxPrintDialog printerDialog(m_Frame, &printDialogData);
    
    printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);

    if (printerDialog.ShowModal() == wxID_OK)
        (*m_PrintData) = printerDialog.GetPrintDialogData().GetPrintData();
}


void wxHtmlEasyPrinting::PageSetup()
{
    m_PageSetupData -> SetPrintData(*m_PrintData);
    wxPageSetupDialog pageSetupDialog(m_Frame, m_PageSetupData);

    if (pageSetupDialog.ShowModal() == wxID_OK) {
        (*m_PrintData) = pageSetupDialog.GetPageSetupData().GetPrintData();
        (*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
    }
}


void wxHtmlEasyPrinting::SetHeader(const wxString& header, int pg)
{
    if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN) 
        m_Headers[0] = header;
    if (pg == wxPAGE_ALL || pg == wxPAGE_ODD) 
        m_Headers[1] = header;
}


void wxHtmlEasyPrinting::SetFooter(const wxString& footer, int pg)
{
    if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN) 
        m_Footers[0] = footer;
    if (pg == wxPAGE_ALL || pg == wxPAGE_ODD) 
        m_Footers[1] = footer;
}


wxHtmlPrintout *wxHtmlEasyPrinting::CreatePrintout()
{
    wxHtmlPrintout *p = new wxHtmlPrintout(m_Name);
    
    p -> SetHeader(m_Headers[0], wxPAGE_EVEN);
    p -> SetHeader(m_Headers[1], wxPAGE_ODD);
    p -> SetFooter(m_Footers[0], wxPAGE_EVEN);
    p -> SetFooter(m_Footers[1], wxPAGE_ODD);

    p -> SetMargins(m_PageSetupData -> GetMarginTopLeft().y,
                    m_PageSetupData -> GetMarginBottomRight().y,
                    m_PageSetupData -> GetMarginTopLeft().x,
                    m_PageSetupData -> GetMarginBottomRight().x);
    
    return p;
}


#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
Commit	Line	Data
2a0eb922	1
3ce369e6 VS	2	/////////////////////////////////////////////////////////////////////////////
	3	// Name: htmprint.cpp
	4	// Purpose: html printing classes
	5	// Author: Vaclav Slavik
	6	// Created: 25/09/99
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Vaclav Slavik, 1999
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12
	13	#ifdef __GNUG__
	14	#pragma implementation
	15	#endif
	16
	17	// For compilers that support precompilation, includes "wx/wx.h".
	18	#include "wx/wxprec.h"
	19
314260fb VS	20	#include "wx/defs.h"
314260fb VS	21
3ce369e6 VS	22	#ifdef __BORLANDC__
	23	#pragma hdrstop
	24	#endif
	25
	26	#ifndef WX_PRECOMP
	27	#include "wx/wx.h"
	28	#endif
	29
72cdf4c9	30	#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
3ce369e6 VS	31
	32	#include "wx/print.h"
	33	#include "wx/printdlg.h"
	34	#include "wx/html/htmprint.h"
	35	#include "wx/wxhtml.h"
	36	#include "wx/wfstream.h"
	37
	38
	39	//--------------------------------------------------------------------------------
	40	// wxHtmlDCRenderer
	41	//--------------------------------------------------------------------------------
	42
	43
	44	wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
	45	{
	46	m_DC = NULL;
	47	m_Width = m_Height = 0;
	48	m_Cells = NULL;
	49	m_Parser = new wxHtmlWinParser(NULL);
	50	m_FS = new wxFileSystem();
	51	m_Parser -> SetFS(m_FS);
	52	m_Scale = 1.0;
	53	}
	54
	55
	56
	57	wxHtmlDCRenderer::~wxHtmlDCRenderer()
	58	{
	59	if (m_Cells) delete m_Cells;
	60	if (m_Parser) delete m_Parser;
	61	if (m_FS) delete m_FS;
	62	}
	63
	64
	65
	66	void wxHtmlDCRenderer::SetDC(wxDC *dc, int maxwidth)
	67	{
	68	int dx, dy;
	69
	70	wxDisplaySize(&dx, &dy);
	71	m_MaxWidth = maxwidth;
	72	#if 0
	73	m_Scale = (float)dx * 2 / 3 / (float)maxwidth;
	74	// let the width of A4 is approximately 2/3 the screen width
	75	#endif
	76	m_Scale = (float)800 / (float)maxwidth;
	77	// for now, assume screen width = 800 => good results
	78
	79	m_DC = dc;
	80	m_Parser -> SetDC(dc);
	81	}
	82
	83
	84
	85	void wxHtmlDCRenderer::SetSize(int width, int height)
	86	{
	87	m_Width = (int)(width * m_Scale);
	88	m_Height = (int)(height * m_Scale);
	89	}
	90
	91
	92
	93	void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepath, bool isdir)
	94	{
95	if (m_DC == NULL) return;
96
97	if (m_Cells != NULL) delete m_Cells;
98
99	m_FS -> ChangePathTo(basepath, isdir);
100	m_DC -> SetUserScale(1.0, 1.0);
101	m_Cells = (wxHtmlContainerCell*) m_Parser -> Parse(html);
efba2b89	102	m_Cells -> SetIndent(0, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
3ce369e6 VS	103	m_Cells -> Layout(m_Width);
	104	}
	105
	106
	107
	108	int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
	109	{
ec939b68	110	int pbreak, hght;
3ce369e6 VS	111
	112	if (m_Cells == NULL \|\| m_DC == NULL) return 0;
	113
	114	pbreak = (int)(from * m_Scale + m_Height);
	115	while (m_Cells -> AdjustPagebreak(&pbreak)) {}
ec939b68	116	hght = pbreak - (int)(from * m_Scale);
3ce369e6 VS	117
	118	if (!dont_render) {
	119	int w, h;
	120	m_DC -> GetSize(&w, &h);
	121	float overallScale = (float)(w/(float)m_MaxWidth) / m_Scale;
	122	m_DC -> SetUserScale(overallScale, overallScale);
	123
	124	m_DC -> SetBrush(*wxWHITE_BRUSH);
	125
ec939b68	126	m_DC -> SetClippingRegion(x * m_Scale, y * m_Scale, m_Width, hght);
3ce369e6 VS	127	m_Cells -> Draw(*m_DC,
3ce369e6 VS	128	x * m_Scale, (y - from) * m_Scale,
ec939b68	129	y * m_Scale, pbreak + (y /- from/) * m_Scale);
3ce369e6 VS	130	m_DC -> DestroyClippingRegion();
	131	}
	132
	133	if (pbreak < m_Cells -> GetHeight()) return (int)(pbreak / m_Scale);
	134	else return GetTotalHeight();
	135	}
	136
	137
	138
	139	int wxHtmlDCRenderer::GetTotalHeight()
	140	{
	141	if (m_Cells) return (int)(m_Cells -> GetHeight() / m_Scale);
	142	else return 0;
	143	}
	144
	145
	146
	147
	148
	149
	150
	151
	152
	153
	154
	155
	156
	157
	158
	159
	160	//--------------------------------------------------------------------------------
	161	// wxHtmlPrintout
	162	//--------------------------------------------------------------------------------
	163
	164
	165
	166	wxHtmlPrintout::wxHtmlPrintout(const wxString& title) : wxPrintout(title)
	167	{
	168	m_Renderer = new wxHtmlDCRenderer;
	169	m_RendererHdr = new wxHtmlDCRenderer;
efba2b89	170	m_NumPages = wxHTML_PRINT_MAX_PAGES;
3ce369e6 VS	171	m_Document = m_BasePath = wxEmptyString; m_BasePathIsDir = TRUE;
	172	m_Headers[0] = m_Headers[1] = wxEmptyString;
	173	m_Footers[0] = m_Footers[1] = wxEmptyString;
	174	m_HeaderHeight = m_FooterHeight = 0;
	175	SetMargins(); // to default values
	176	}
	177
	178
	179
	180	wxHtmlPrintout::~wxHtmlPrintout()
	181	{
	182	delete m_Renderer;
	183	delete m_RendererHdr;
	184	}
	185
	186
	187
2a0eb922	188	bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
3ce369e6 VS	189	{
	190	int pageWidth, pageHeight, mm_w, mm_h;
	191	float ppmm_h, ppmm_v;
	192
2a0eb922	193	if (!wxPrintout::OnBeginDocument(startPage, endPage)) return FALSE;
3ce369e6 VS	194
	195	GetPageSizePixels(&pageWidth, &pageHeight);
	196	GetPageSizeMM(&mm_w, &mm_h);
	197	ppmm_h = (float)pageWidth / mm_w;
	198	ppmm_v = (float)pageHeight / mm_h;
	199
	200	/* prepare headers/footers renderer: */
	201
	202	m_RendererHdr -> SetDC(GetDC(), pageWidth);
	203	m_RendererHdr -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop),
	204	ppmm_v * (mm_h - m_MarginTop - m_MarginBottom));
	205	if (m_Headers[0] != wxEmptyString) {
	206	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[0], 1));
	207	m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
	208	}
	209	else if (m_Headers[1] != wxEmptyString) {
	210	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[1], 1));
	211	m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
	212	}
	213	if (m_Footers[0] != wxEmptyString) {
	214	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[0], 1));
	215	m_FooterHeight = m_RendererHdr -> GetTotalHeight();
	216	}
	217	else if (m_Footers[1] != wxEmptyString) {
	218	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[1], 1));
	219	m_FooterHeight = m_RendererHdr -> GetTotalHeight();
	220	}
	221
	222	/* prepare main renderer: */
	223	m_Renderer -> SetDC(GetDC(), pageWidth);
	224	m_Renderer -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop),
	225	ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) -
	226	m_FooterHeight - m_HeaderHeight -
	227	((m_HeaderHeight == 0) ? 0 : m_MarginSpace * ppmm_v) -
	228	((m_FooterHeight == 0) ? 0 : m_MarginSpace * ppmm_v)
	229	);
	230	m_Renderer -> SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
	231	CountPages();
2a0eb922	232	return TRUE;
3ce369e6 VS	233	}
	234
	235
	236	bool wxHtmlPrintout::OnPrintPage(int page)
	237	{
	238	wxDC *dc = GetDC();
	239	if (dc) {
	240	if (HasPage(page))
	241	RenderPage(dc, page);
	242	return TRUE;
	243	} else
	244	return FALSE;
	245	}
	246
	247
	248	void wxHtmlPrintout::GetPageInfo(int minPage, int maxPage, int selPageFrom, int selPageTo)
	249	{
	250	*minPage = 1;
efba2b89	251	*maxPage = wxHTML_PRINT_MAX_PAGES;
3ce369e6	252	*selPageFrom = 1;
efba2b89	253	*selPageTo = wxHTML_PRINT_MAX_PAGES;
3ce369e6 VS	254	}
	255
	256
	257
	258	bool wxHtmlPrintout::HasPage(int pageNum)
	259	{
	260	return (pageNum >= 1 && pageNum <= m_NumPages);
	261	}
	262
	263
	264
	265	void wxHtmlPrintout::SetHtmlText(const wxString& html, const wxString &basepath, bool isdir)
	266	{
	267	m_Document = html;
	268	m_BasePath = basepath;
	269	m_BasePathIsDir = isdir;
	270	}
	271
	272
	273
	274	void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
	275	{
	276	wxFileSystem fs;
	277	wxFSFile *ff = fs.OpenFile(htmlfile);
	278	wxInputStream *st = ff -> GetStream();
	279	char *t = new char[st -> GetSize() + 1];
	280	st -> Read(t, st -> GetSize());
	281	t[st -> GetSize()] = 0;
	282
	283	wxString doc = wxString(t);
	284	delete t;
	285	delete ff;
	286
	287	SetHtmlText(doc, htmlfile, FALSE);
	288	}
	289
	290
	291
	292	void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
	293	{
	294	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	295	m_Headers[0] = header;
	296	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	297	m_Headers[1] = header;
	298	}
	299
	300
	301
	302	void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
	303	{
	304	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	305	m_Footers[0] = footer;
	306	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	307	m_Footers[1] = footer;
	308	}
	309
	310
	311
	312	void wxHtmlPrintout::CountPages()
	313	{
	314	wxBusyCursor wait;
	315	int pageWidth, pageHeight, mm_w, mm_h;
	316	float ppmm_h, ppmm_v;
	317
318	GetPageSizePixels(&pageWidth, &pageHeight);
319	GetPageSizeMM(&mm_w, &mm_h);
320	ppmm_h = (float)pageWidth / mm_w;
321	ppmm_v = (float)pageHeight / mm_h;
322
323	int pos = 0;
324
325	m_NumPages = 0;
326
327	m_PageBreaks[0] = 0;
328	do {
329	pos = m_Renderer -> Render(ppmm_h * m_MarginLeft,
330	ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
331	pos, TRUE);
332	m_PageBreaks[++m_NumPages] = pos;
333	} while (pos < m_Renderer -> GetTotalHeight());
334	}
335
336
337
338	void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
339	{
340	wxBusyCursor wait;
341
342	int pageWidth, pageHeight, mm_w, mm_h;
343	float ppmm_h, ppmm_v;
344
345	GetPageSizePixels(&pageWidth, &pageHeight);
346	GetPageSizeMM(&mm_w, &mm_h);
347	ppmm_h = (float)pageWidth / mm_w;
348	ppmm_v = (float)pageHeight / mm_h;
349
350	m_Renderer -> SetDC(dc, pageWidth);
351
352	dc -> SetBackgroundMode(wxTRANSPARENT);
353
354	m_Renderer -> Render(ppmm_h * m_MarginLeft,
355	ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
356	m_PageBreaks[page-1]);
357
358	m_RendererHdr -> SetDC(dc, pageWidth);
359	if (m_Headers[page % 2] != wxEmptyString) {
360	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
361	m_RendererHdr -> Render(ppmm_h * m_MarginLeft, ppmm_v * m_MarginTop);
362	}
363	if (m_Footers[page % 2] != wxEmptyString) {
364	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
365	m_RendererHdr -> Render(ppmm_h * m_MarginLeft, pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight);
366	}
367	}
368
369
370
371	wxString wxHtmlPrintout::TranslateHeader(const wxString& instr, int page)
372	{
373	wxString r = instr;
374	wxString num;
375
66a77a74 OK	376	num.Printf(wxT("%i"), page);
66a77a74 OK	377	r.Replace(wxT("@PAGENUM@"), num);
3ce369e6	378
66a77a74 OK	379	num.Printf(wxT("%i"), m_NumPages);
66a77a74 OK	380	r.Replace(wxT("@PAGESCNT@"), num);
3ce369e6 VS	381
	382	return r;
	383	}
	384
	385
	386
	387	void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right, float spaces)
	388	{
	389	m_MarginTop = top;
	390	m_MarginBottom = bottom;
	391	m_MarginLeft = left;
	392	m_MarginRight = right;
	393	m_MarginSpace = spaces;
	394	}
	395
	396
	397
	398
	399
	400
	401	//--------------------------------------------------------------------------------
	402	// wxHtmlEasyPrinting
	403	//--------------------------------------------------------------------------------
	404
	405
	406	wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_frame)
	407	{
	408	m_Frame = parent_frame;
	409	m_Name = name;
	410	m_PrintData = new wxPrintData;
50073cf2	411	#if (defined __WXGTK__) \|\| (defined __WXMOTIF__)
280132e3	412	(m_PrintData) = (wxThePrintSetupData);
50073cf2	413	#endif
3ce369e6 VS	414	m_PageSetupData = new wxPageSetupDialogData;
	415	m_Headers[0] = m_Headers[1] = m_Footers[0] = m_Footers[1] = wxEmptyString;
	416
	417	m_PageSetupData -> EnableMargins(TRUE);
	418	m_PageSetupData -> SetMarginTopLeft(wxPoint(25, 25));
	419	m_PageSetupData -> SetMarginBottomRight(wxPoint(25, 25));
3ce369e6 VS	420	}
	421
	422
	423
	424	wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
	425	{
	426	delete m_PrintData;
	427	delete m_PageSetupData;
	428	}
	429
	430
	431
	432	void wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
	433	{
	434	wxHtmlPrintout *p1 = CreatePrintout();
	435	p1 -> SetHtmlFile(htmlfile);
	436	wxHtmlPrintout *p2 = CreatePrintout();
	437	p2 -> SetHtmlFile(htmlfile);
	438	DoPreview(p1, p2);
	439	}
	440
	441
	442
	443	void wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
	444	{
	445	wxHtmlPrintout *p1 = CreatePrintout();
	446	p1 -> SetHtmlText(htmltext, basepath, TRUE);
	447	wxHtmlPrintout *p2 = CreatePrintout();
	448	p2 -> SetHtmlText(htmltext, basepath, TRUE);
	449	DoPreview(p1, p2);
	450	}
	451
	452
	453
	454	void wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
	455	{
	456	wxHtmlPrintout *p = CreatePrintout();
	457	p -> SetHtmlFile(htmlfile);
	458	DoPrint(p);
	459	}
	460
	461
	462
	463	void wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
	464	{
	465	wxHtmlPrintout *p = CreatePrintout();
	466	p -> SetHtmlText(htmltext, basepath, TRUE);
	467	DoPrint(p);
	468	}
	469
	470
	471
	472	void wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout printout1, wxHtmlPrintout printout2)
	473	{
	474	// Pass two printout objects: for preview, and possible printing.
	475	wxPrintDialogData printDialogData(*m_PrintData);
	476	wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
	477	if (!preview -> Ok()) {
	478	delete preview;
	479	wxMessageBox(_("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _("Previewing"), wxOK);
	480	}
	481
	482	else {
	483	wxPreviewFrame *frame = new wxPreviewFrame(preview, m_Frame,
484	m_Name + _(" Preview"),
efba2b89	485	wxPoint(100, 100), wxSize(650, 500));
3ce369e6 VS	486	frame -> Centre(wxBOTH);
	487	frame -> Initialize();
	488	frame -> Show(TRUE);
	489	}
	490	}
	491
	492
	493
	494	void wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
	495	{
	496	wxPrintDialogData printDialogData(*m_PrintData);
	497	wxPrinter printer(&printDialogData);
	498
	499	if (!printer.Print(m_Frame, printout, TRUE))
	500	wxMessageBox(_("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _("Printing"), wxOK);
	501	else
	502	(*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
	503	}
	504
	505
	506
	507	void wxHtmlEasyPrinting::PrinterSetup()
	508	{
	509	wxPrintDialogData printDialogData(*m_PrintData);
	510	wxPrintDialog printerDialog(m_Frame, &printDialogData);
	511
	512	printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
	513
	514	if (printerDialog.ShowModal() == wxID_OK)
	515	(*m_PrintData) = printerDialog.GetPrintDialogData().GetPrintData();
	516	}
	517
	518
	519
	520	void wxHtmlEasyPrinting::PageSetup()
	521	{
	522	m_PageSetupData -> SetPrintData(*m_PrintData);
	523	wxPageSetupDialog pageSetupDialog(m_Frame, m_PageSetupData);
	524
	525	if (pageSetupDialog.ShowModal() == wxID_OK) {
	526	(*m_PrintData) = pageSetupDialog.GetPageSetupData().GetPrintData();
	527	(*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
	528	}
	529	}
	530
	531
	532
	533	void wxHtmlEasyPrinting::SetHeader(const wxString& header, int pg)
	534	{
	535	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	536	m_Headers[0] = header;
	537	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	538	m_Headers[1] = header;
	539	}
	540
	541
	542
	543	void wxHtmlEasyPrinting::SetFooter(const wxString& footer, int pg)
	544	{
	545	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	546	m_Footers[0] = footer;
	547	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	548	m_Footers[1] = footer;
	549	}
550
551
552
553	wxHtmlPrintout *wxHtmlEasyPrinting::CreatePrintout()
554	{
555	wxHtmlPrintout *p = new wxHtmlPrintout(m_Name);
556
557	p -> SetHeader(m_Headers[0], wxPAGE_EVEN);
558	p -> SetHeader(m_Headers[1], wxPAGE_ODD);
559	p -> SetFooter(m_Footers[0], wxPAGE_EVEN);
560	p -> SetFooter(m_Footers[1], wxPAGE_ODD);
561
562	p -> SetMargins(m_PageSetupData -> GetMarginTopLeft().y,
563	m_PageSetupData -> GetMarginBottomRight().y,
564	m_PageSetupData -> GetMarginTopLeft().x,
565	m_PageSetupData -> GetMarginBottomRight().x);
566
567	return p;
568	}
569
570
571
72cdf4c9	572	#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE