[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);
}


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, double pixel_scale)
{
    m_DC = dc;
    m_Parser -> SetDC(m_DC, pixel_scale);
}


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


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_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_Height);
    while (m_Cells -> AdjustPagebreak(&pbreak)) {}
    hght = pbreak - from;
    
    if (!dont_render) {
        m_DC -> SetBrush(*wxWHITE_BRUSH);
        
        m_DC -> SetClippingRegion(x, y, m_Width, hght);
        m_Cells -> Draw(*m_DC, 
                        x, (y - from),
                        y, pbreak + (y /*- from*/));
        m_DC -> DestroyClippingRegion();
    }
    
    if (pbreak < m_Cells -> GetHeight()) return pbreak;
    else return GetTotalHeight();
}


int wxHtmlDCRenderer::GetTotalHeight()
{
    if (m_Cells) return m_Cells -> GetHeight();
    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, scr_w, scr_h, dc_w, dc_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;

    int ppiPrinterX, ppiPrinterY;
    GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
    int ppiScreenX, ppiScreenY;
    GetPPIScreen(&ppiScreenX, &ppiScreenY);

    wxDisplaySize(&scr_w, &scr_h);
    GetDC() -> GetSize(&dc_w, &dc_h);

    GetDC() -> SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);

    /* prepare headers/footers renderer: */
    
    m_RendererHdr -> SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
    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(), (double)ppiPrinterY / (double)ppiScreenY);
    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, scr_w, scr_h, dc_w, dc_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;
    wxDisplaySize(&scr_w, &scr_h);
    dc -> GetSize(&dc_w, &dc_h);

    int ppiPrinterX, ppiPrinterY;
    GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
    int ppiScreenX, ppiScreenY;
    GetPPIScreen(&ppiScreenX, &ppiScreenY);

    dc -> SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
    
    m_Renderer -> SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
    
    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, (double)ppiPrinterY / (double)ppiScreenY);
    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
3ce369e6 VS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: htmprint.cpp
	3	// Purpose: html printing classes
	4	// Author: Vaclav Slavik
	5	// Created: 25/09/99
	6	// RCS-ID: $Id$
	7	// Copyright: (c) Vaclav Slavik, 1999
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11
	12	#ifdef __GNUG__
	13	#pragma implementation
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx/wx.h".
	17	#include "wx/wxprec.h"
	18
314260fb VS	19	#include "wx/defs.h"
314260fb VS	20
3ce369e6 VS	21	#ifdef __BORLANDC__
	22	#pragma hdrstop
	23	#endif
	24
	25	#ifndef WX_PRECOMP
	26	#include "wx/wx.h"
	27	#endif
	28
72cdf4c9	29	#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
3ce369e6 VS	30
	31	#include "wx/print.h"
	32	#include "wx/printdlg.h"
	33	#include "wx/html/htmprint.h"
	34	#include "wx/wxhtml.h"
	35	#include "wx/wfstream.h"
	36
	37
	38	//--------------------------------------------------------------------------------
	39	// wxHtmlDCRenderer
	40	//--------------------------------------------------------------------------------
	41
	42
	43	wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
	44	{
	45	m_DC = NULL;
	46	m_Width = m_Height = 0;
	47	m_Cells = NULL;
	48	m_Parser = new wxHtmlWinParser(NULL);
	49	m_FS = new wxFileSystem();
	50	m_Parser -> SetFS(m_FS);
3ce369e6 VS	51	}
	52
	53
	54
	55	wxHtmlDCRenderer::~wxHtmlDCRenderer()
	56	{
	57	if (m_Cells) delete m_Cells;
	58	if (m_Parser) delete m_Parser;
	59	if (m_FS) delete m_FS;
	60	}
	61
	62
	63
edbd0635	64	void wxHtmlDCRenderer::SetDC(wxDC *dc, double pixel_scale)
3ce369e6	65	{
3ce369e6	66	m_DC = dc;
edbd0635	67	m_Parser -> SetDC(m_DC, pixel_scale);
3ce369e6 VS	68	}
	69
	70
	71
	72	void wxHtmlDCRenderer::SetSize(int width, int height)
	73	{
edbd0635 VS	74	m_Width = width;
edbd0635 VS	75	m_Height = height;
3ce369e6 VS	76	}
	77
	78
	79
	80	void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepath, bool isdir)
	81	{
	82	if (m_DC == NULL) return;
	83
	84	if (m_Cells != NULL) delete m_Cells;
	85
	86	m_FS -> ChangePathTo(basepath, isdir);
3ce369e6	87	m_Cells = (wxHtmlContainerCell*) m_Parser -> Parse(html);
efba2b89	88	m_Cells -> SetIndent(0, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
3ce369e6 VS	89	m_Cells -> Layout(m_Width);
	90	}
	91
	92
	93
	94	int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
	95	{
ec939b68	96	int pbreak, hght;
3ce369e6 VS	97
	98	if (m_Cells == NULL \|\| m_DC == NULL) return 0;
	99
edbd0635	100	pbreak = (int)(from + m_Height);
3ce369e6	101	while (m_Cells -> AdjustPagebreak(&pbreak)) {}
edbd0635	102	hght = pbreak - from;
3ce369e6 VS	103
3ce369e6 VS	104	if (!dont_render) {
3ce369e6 VS	105	m_DC -> SetBrush(*wxWHITE_BRUSH);
3ce369e6 VS	106
edbd0635	107	m_DC -> SetClippingRegion(x, y, m_Width, hght);
3ce369e6	108	m_Cells -> Draw(*m_DC,
edbd0635 VS	109	x, (y - from),
edbd0635 VS	110	y, pbreak + (y /- from/));
3ce369e6 VS	111	m_DC -> DestroyClippingRegion();
	112	}
	113
edbd0635	114	if (pbreak < m_Cells -> GetHeight()) return pbreak;
3ce369e6 VS	115	else return GetTotalHeight();
	116	}
	117
	118
	119
	120	int wxHtmlDCRenderer::GetTotalHeight()
	121	{
edbd0635	122	if (m_Cells) return m_Cells -> GetHeight();
3ce369e6 VS	123	else return 0;
	124	}
	125
	126
	127
	128
	129
	130
	131
	132
	133
	134
	135
	136
	137
	138
	139
	140
	141	//--------------------------------------------------------------------------------
	142	// wxHtmlPrintout
	143	//--------------------------------------------------------------------------------
	144
	145
	146
	147	wxHtmlPrintout::wxHtmlPrintout(const wxString& title) : wxPrintout(title)
	148	{
	149	m_Renderer = new wxHtmlDCRenderer;
	150	m_RendererHdr = new wxHtmlDCRenderer;
efba2b89	151	m_NumPages = wxHTML_PRINT_MAX_PAGES;
3ce369e6 VS	152	m_Document = m_BasePath = wxEmptyString; m_BasePathIsDir = TRUE;
	153	m_Headers[0] = m_Headers[1] = wxEmptyString;
	154	m_Footers[0] = m_Footers[1] = wxEmptyString;
	155	m_HeaderHeight = m_FooterHeight = 0;
	156	SetMargins(); // to default values
	157	}
	158
	159
	160
	161	wxHtmlPrintout::~wxHtmlPrintout()
	162	{
	163	delete m_Renderer;
	164	delete m_RendererHdr;
	165	}
	166
	167
	168
2a0eb922	169	bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
3ce369e6	170	{
edbd0635	171	int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
3ce369e6 VS	172	float ppmm_h, ppmm_v;
3ce369e6 VS	173
2a0eb922	174	if (!wxPrintout::OnBeginDocument(startPage, endPage)) return FALSE;
3ce369e6 VS	175
	176	GetPageSizePixels(&pageWidth, &pageHeight);
	177	GetPageSizeMM(&mm_w, &mm_h);
	178	ppmm_h = (float)pageWidth / mm_w;
	179	ppmm_v = (float)pageHeight / mm_h;
	180
edbd0635 VS	181	int ppiPrinterX, ppiPrinterY;
	182	GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
	183	int ppiScreenX, ppiScreenY;
	184	GetPPIScreen(&ppiScreenX, &ppiScreenY);
	185
	186	wxDisplaySize(&scr_w, &scr_h);
	187	GetDC() -> GetSize(&dc_w, &dc_h);
	188
	189	GetDC() -> SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
	190
3ce369e6 VS	191	/* prepare headers/footers renderer: */
3ce369e6 VS	192
edbd0635	193	m_RendererHdr -> SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
3ce369e6 VS	194	m_RendererHdr -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop),
	195	ppmm_v * (mm_h - m_MarginTop - m_MarginBottom));
	196	if (m_Headers[0] != wxEmptyString) {
	197	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[0], 1));
	198	m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
	199	}
	200	else if (m_Headers[1] != wxEmptyString) {
	201	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[1], 1));
	202	m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
	203	}
	204	if (m_Footers[0] != wxEmptyString) {
	205	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[0], 1));
	206	m_FooterHeight = m_RendererHdr -> GetTotalHeight();
	207	}
	208	else if (m_Footers[1] != wxEmptyString) {
	209	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[1], 1));
	210	m_FooterHeight = m_RendererHdr -> GetTotalHeight();
	211	}
	212
	213	/* prepare main renderer: */
edbd0635	214	m_Renderer -> SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
3ce369e6 VS	215	m_Renderer -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop),
	216	ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) -
	217	m_FooterHeight - m_HeaderHeight -
	218	((m_HeaderHeight == 0) ? 0 : m_MarginSpace * ppmm_v) -
	219	((m_FooterHeight == 0) ? 0 : m_MarginSpace * ppmm_v)
	220	);
	221	m_Renderer -> SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
	222	CountPages();
2a0eb922	223	return TRUE;
3ce369e6 VS	224	}
	225
	226
	227	bool wxHtmlPrintout::OnPrintPage(int page)
	228	{
	229	wxDC *dc = GetDC();
	230	if (dc) {
	231	if (HasPage(page))
	232	RenderPage(dc, page);
	233	return TRUE;
	234	} else
	235	return FALSE;
	236	}
	237
	238
	239	void wxHtmlPrintout::GetPageInfo(int minPage, int maxPage, int selPageFrom, int selPageTo)
	240	{
	241	*minPage = 1;
efba2b89	242	*maxPage = wxHTML_PRINT_MAX_PAGES;
3ce369e6	243	*selPageFrom = 1;
efba2b89	244	*selPageTo = wxHTML_PRINT_MAX_PAGES;
3ce369e6 VS	245	}
	246
	247
	248
	249	bool wxHtmlPrintout::HasPage(int pageNum)
	250	{
	251	return (pageNum >= 1 && pageNum <= m_NumPages);
	252	}
	253
	254
	255
	256	void wxHtmlPrintout::SetHtmlText(const wxString& html, const wxString &basepath, bool isdir)
	257	{
	258	m_Document = html;
	259	m_BasePath = basepath;
	260	m_BasePathIsDir = isdir;
	261	}
	262
	263
	264
	265	void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
	266	{
	267	wxFileSystem fs;
	268	wxFSFile *ff = fs.OpenFile(htmlfile);
	269	wxInputStream *st = ff -> GetStream();
	270	char *t = new char[st -> GetSize() + 1];
	271	st -> Read(t, st -> GetSize());
	272	t[st -> GetSize()] = 0;
	273
	274	wxString doc = wxString(t);
	275	delete t;
	276	delete ff;
	277
	278	SetHtmlText(doc, htmlfile, FALSE);
	279	}
	280
	281
	282
	283	void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
	284	{
	285	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	286	m_Headers[0] = header;
	287	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	288	m_Headers[1] = header;
	289	}
	290
	291
	292
	293	void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
	294	{
	295	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	296	m_Footers[0] = footer;
	297	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	298	m_Footers[1] = footer;
	299	}
	300
	301
	302
	303	void wxHtmlPrintout::CountPages()
	304	{
	305	wxBusyCursor wait;
	306	int pageWidth, pageHeight, mm_w, mm_h;
	307	float ppmm_h, ppmm_v;
	308
309	GetPageSizePixels(&pageWidth, &pageHeight);
310	GetPageSizeMM(&mm_w, &mm_h);
311	ppmm_h = (float)pageWidth / mm_w;
312	ppmm_v = (float)pageHeight / mm_h;
313
314	int pos = 0;
315
316	m_NumPages = 0;
317
318	m_PageBreaks[0] = 0;
319	do {
320	pos = m_Renderer -> Render(ppmm_h * m_MarginLeft,
321	ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
322	pos, TRUE);
323	m_PageBreaks[++m_NumPages] = pos;
324	} while (pos < m_Renderer -> GetTotalHeight());
325	}
326
327
328
329	void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
330	{
331	wxBusyCursor wait;
332
edbd0635	333	int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
3ce369e6 VS	334	float ppmm_h, ppmm_v;
	335
	336	GetPageSizePixels(&pageWidth, &pageHeight);
	337	GetPageSizeMM(&mm_w, &mm_h);
	338	ppmm_h = (float)pageWidth / mm_w;
	339	ppmm_v = (float)pageHeight / mm_h;
edbd0635 VS	340	wxDisplaySize(&scr_w, &scr_h);
edbd0635 VS	341	dc -> GetSize(&dc_w, &dc_h);
3ce369e6	342
edbd0635 VS	343	int ppiPrinterX, ppiPrinterY;
	344	GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
	345	int ppiScreenX, ppiScreenY;
	346	GetPPIScreen(&ppiScreenX, &ppiScreenY);
	347
	348	dc -> SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
	349
	350	m_Renderer -> SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
	351
3ce369e6 VS	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
edbd0635	358	m_RendererHdr -> SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
3ce369e6 VS	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