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((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginTop)),
                          (int) (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((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginTop)),
                          (int) (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);

    if (ff == NULL)
    {
        wxLogError(htmlfile + _(": file does not exist!"));
        return;
    }

    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((int)( ppmm_h * m_MarginLeft),
                                   (int) (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((int) (ppmm_h * m_MarginLeft),
                         (int) (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((int) (ppmm_h * m_MarginLeft), (int) (ppmm_v * m_MarginTop));
    }
    if (m_Footers[page % 2] != wxEmptyString) {
        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
        m_RendererHdr -> Render((int) (ppmm_h * m_MarginLeft), (int) (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
	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
	19	#include "wx/defs.h"
	20
	21	#ifdef __BORLANDC__
	22	#pragma hdrstop
	23	#endif
	24
	25	#ifndef WX_PRECOMP
	26	#include "wx/wx.h"
	27	#endif
	28
	29	#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
	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);
	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
	64	void wxHtmlDCRenderer::SetDC(wxDC *dc, double pixel_scale)
	65	{
	66	m_DC = dc;
	67	m_Parser -> SetDC(m_DC, pixel_scale);
	68	}
	69
	70
	71
	72	void wxHtmlDCRenderer::SetSize(int width, int height)
	73	{
	74	m_Width = width;
	75	m_Height = height;
	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);
	87	m_Cells = (wxHtmlContainerCell*) m_Parser -> Parse(html);
	88	m_Cells -> SetIndent(0, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
	89	m_Cells -> Layout(m_Width);
	90	}
	91
	92
	93
	94	int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
	95	{
	96	int pbreak, hght;
	97
	98	if (m_Cells == NULL \|\| m_DC == NULL) return 0;
	99
	100	pbreak = (int)(from + m_Height);
	101	while (m_Cells -> AdjustPagebreak(&pbreak)) {}
	102	hght = pbreak - from;
	103
	104	if (!dont_render) {
	105	m_DC -> SetBrush(*wxWHITE_BRUSH);
	106
	107	m_DC -> SetClippingRegion(x, y, m_Width, hght);
	108	m_Cells -> Draw(*m_DC,
	109	x, (y - from),
	110	y, pbreak + (y /- from/));
	111	m_DC -> DestroyClippingRegion();
	112	}
	113
	114	if (pbreak < m_Cells -> GetHeight()) return pbreak;
	115	else return GetTotalHeight();
	116	}
	117
	118
	119
	120	int wxHtmlDCRenderer::GetTotalHeight()
	121	{
	122	if (m_Cells) return m_Cells -> GetHeight();
	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;
	151	m_NumPages = wxHTML_PRINT_MAX_PAGES;
	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
	169	bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
	170	{
	171	int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
	172	float ppmm_h, ppmm_v;
	173
	174	if (!wxPrintout::OnBeginDocument(startPage, endPage)) return FALSE;
	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
	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
	191	/* prepare headers/footers renderer: */
	192
	193	m_RendererHdr -> SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
	194	m_RendererHdr -> SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginTop)),
	195	(int) (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: */
	214	m_Renderer -> SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
	215	m_Renderer -> SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginTop)),
	216	(int) (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();
	223	return TRUE;
	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;
	242	*maxPage = wxHTML_PRINT_MAX_PAGES;
	243	*selPageFrom = 1;
	244	*selPageTo = wxHTML_PRINT_MAX_PAGES;
	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
	270	if (ff == NULL)
	271	{
	272	wxLogError(htmlfile + _(": file does not exist!"));
	273	return;
	274	}
	275
	276	wxInputStream *st = ff -> GetStream();
	277	char *t = new char[st -> GetSize() + 1];
	278	st -> Read(t, st -> GetSize());
	279	t[st -> GetSize()] = 0;
	280
	281	wxString doc = wxString(t);
	282	delete t;
	283	delete ff;
	284
	285	SetHtmlText(doc, htmlfile, FALSE);
	286	}
	287
	288
	289
	290	void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
	291	{
	292	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	293	m_Headers[0] = header;
	294	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	295	m_Headers[1] = header;
	296	}
	297
	298
	299
	300	void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
	301	{
	302	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	303	m_Footers[0] = footer;
	304	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	305	m_Footers[1] = footer;
	306	}
	307
	308
	309
	310	void wxHtmlPrintout::CountPages()
	311	{
	312	wxBusyCursor wait;
	313	int pageWidth, pageHeight, mm_w, mm_h;
	314	float ppmm_h, ppmm_v;
	315
	316	GetPageSizePixels(&pageWidth, &pageHeight);
	317	GetPageSizeMM(&mm_w, &mm_h);
	318	ppmm_h = (float)pageWidth / mm_w;
	319	ppmm_v = (float)pageHeight / mm_h;
	320
	321	int pos = 0;
	322
	323	m_NumPages = 0;
	324
	325	m_PageBreaks[0] = 0;
	326	do {
	327	pos = m_Renderer -> Render((int)( ppmm_h * m_MarginLeft),
	328	(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight),
	329	pos, TRUE);
	330	m_PageBreaks[++m_NumPages] = pos;
	331	} while (pos < m_Renderer -> GetTotalHeight());
	332	}
	333
	334
	335
	336	void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
	337	{
	338	wxBusyCursor wait;
	339
	340	int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
	341	float ppmm_h, ppmm_v;
	342
	343	GetPageSizePixels(&pageWidth, &pageHeight);
	344	GetPageSizeMM(&mm_w, &mm_h);
	345	ppmm_h = (float)pageWidth / mm_w;
	346	ppmm_v = (float)pageHeight / mm_h;
	347	wxDisplaySize(&scr_w, &scr_h);
	348	dc -> GetSize(&dc_w, &dc_h);
	349
	350	int ppiPrinterX, ppiPrinterY;
	351	GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
	352	int ppiScreenX, ppiScreenY;
	353	GetPPIScreen(&ppiScreenX, &ppiScreenY);
	354
	355	dc -> SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
	356
	357	m_Renderer -> SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
	358
	359	dc -> SetBackgroundMode(wxTRANSPARENT);
	360
	361	m_Renderer -> Render((int) (ppmm_h * m_MarginLeft),
	362	(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight),
	363	m_PageBreaks[page-1]);
	364
	365	m_RendererHdr -> SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
	366	if (m_Headers[page % 2] != wxEmptyString) {
	367	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
	368	m_RendererHdr -> Render((int) (ppmm_h * m_MarginLeft), (int) (ppmm_v * m_MarginTop));
	369	}
	370	if (m_Footers[page % 2] != wxEmptyString) {
	371	m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
	372	m_RendererHdr -> Render((int) (ppmm_h * m_MarginLeft), (int) (pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight));
	373	}
	374	}
	375
	376
	377
	378	wxString wxHtmlPrintout::TranslateHeader(const wxString& instr, int page)
	379	{
	380	wxString r = instr;
	381	wxString num;
	382
	383	num.Printf(wxT("%i"), page);
	384	r.Replace(wxT("@PAGENUM@"), num);
	385
	386	num.Printf(wxT("%i"), m_NumPages);
	387	r.Replace(wxT("@PAGESCNT@"), num);
	388
	389	return r;
	390	}
	391
	392
	393
	394	void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right, float spaces)
	395	{
	396	m_MarginTop = top;
	397	m_MarginBottom = bottom;
	398	m_MarginLeft = left;
	399	m_MarginRight = right;
	400	m_MarginSpace = spaces;
	401	}
	402
	403
	404
	405
	406
	407
	408	//--------------------------------------------------------------------------------
	409	// wxHtmlEasyPrinting
	410	//--------------------------------------------------------------------------------
	411
	412
	413	wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_frame)
	414	{
	415	m_Frame = parent_frame;
	416	m_Name = name;
	417	m_PrintData = new wxPrintData;
	418	#if (defined __WXGTK__) \|\| (defined __WXMOTIF__)
	419	(m_PrintData) = (wxThePrintSetupData);
	420	#endif
	421	m_PageSetupData = new wxPageSetupDialogData;
	422	m_Headers[0] = m_Headers[1] = m_Footers[0] = m_Footers[1] = wxEmptyString;
	423
	424	m_PageSetupData -> EnableMargins(TRUE);
	425	m_PageSetupData -> SetMarginTopLeft(wxPoint(25, 25));
	426	m_PageSetupData -> SetMarginBottomRight(wxPoint(25, 25));
	427	}
	428
	429
	430
	431	wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
	432	{
	433	delete m_PrintData;
	434	delete m_PageSetupData;
	435	}
	436
	437
	438
	439	void wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
	440	{
	441	wxHtmlPrintout *p1 = CreatePrintout();
	442	p1 -> SetHtmlFile(htmlfile);
	443	wxHtmlPrintout *p2 = CreatePrintout();
	444	p2 -> SetHtmlFile(htmlfile);
	445	DoPreview(p1, p2);
	446	}
	447
	448
	449
	450	void wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
	451	{
	452	wxHtmlPrintout *p1 = CreatePrintout();
	453	p1 -> SetHtmlText(htmltext, basepath, TRUE);
	454	wxHtmlPrintout *p2 = CreatePrintout();
	455	p2 -> SetHtmlText(htmltext, basepath, TRUE);
	456	DoPreview(p1, p2);
	457	}
	458
	459
	460
	461	void wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
	462	{
	463	wxHtmlPrintout *p = CreatePrintout();
	464	p -> SetHtmlFile(htmlfile);
	465	DoPrint(p);
	466	}
	467
	468
	469
	470	void wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
	471	{
	472	wxHtmlPrintout *p = CreatePrintout();
	473	p -> SetHtmlText(htmltext, basepath, TRUE);
	474	DoPrint(p);
	475	}
	476
	477
	478
	479	void wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout printout1, wxHtmlPrintout printout2)
	480	{
	481	// Pass two printout objects: for preview, and possible printing.
	482	wxPrintDialogData printDialogData(*m_PrintData);
	483	wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
	484	if (!preview -> Ok()) {
	485	delete preview;
	486	wxMessageBox(_("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _("Previewing"), wxOK);
	487	}
	488
	489	else {
	490	wxPreviewFrame *frame = new wxPreviewFrame(preview, m_Frame,
	491	m_Name + _(" Preview"),
	492	wxPoint(100, 100), wxSize(650, 500));
	493	frame -> Centre(wxBOTH);
	494	frame -> Initialize();
	495	frame -> Show(TRUE);
	496	}
	497	}
	498
	499
	500
	501	void wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
	502	{
	503	wxPrintDialogData printDialogData(*m_PrintData);
	504	wxPrinter printer(&printDialogData);
	505
	506	if (!printer.Print(m_Frame, printout, TRUE))
	507	wxMessageBox(_("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _("Printing"), wxOK);
	508	else
	509	(*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
	510	}
	511
	512
	513
	514	void wxHtmlEasyPrinting::PrinterSetup()
	515	{
	516	wxPrintDialogData printDialogData(*m_PrintData);
	517	wxPrintDialog printerDialog(m_Frame, &printDialogData);
	518
	519	printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
	520
	521	if (printerDialog.ShowModal() == wxID_OK)
	522	(*m_PrintData) = printerDialog.GetPrintDialogData().GetPrintData();
	523	}
	524
	525
	526
	527	void wxHtmlEasyPrinting::PageSetup()
	528	{
	529	m_PageSetupData -> SetPrintData(*m_PrintData);
	530	wxPageSetupDialog pageSetupDialog(m_Frame, m_PageSetupData);
	531
	532	if (pageSetupDialog.ShowModal() == wxID_OK) {
	533	(*m_PrintData) = pageSetupDialog.GetPageSetupData().GetPrintData();
	534	(*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
	535	}
	536	}
	537
	538
	539
	540	void wxHtmlEasyPrinting::SetHeader(const wxString& header, int pg)
	541	{
	542	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	543	m_Headers[0] = header;
	544	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	545	m_Headers[1] = header;
	546	}
	547
	548
	549
	550	void wxHtmlEasyPrinting::SetFooter(const wxString& footer, int pg)
	551	{
	552	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	553	m_Footers[0] = footer;
	554	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	555	m_Footers[1] = footer;
	556	}
	557
	558
	559
	560	wxHtmlPrintout *wxHtmlEasyPrinting::CreatePrintout()
	561	{
	562	wxHtmlPrintout *p = new wxHtmlPrintout(m_Name);
	563
	564	p -> SetHeader(m_Headers[0], wxPAGE_EVEN);
	565	p -> SetHeader(m_Headers[1], wxPAGE_ODD);
	566	p -> SetFooter(m_Footers[0], wxPAGE_EVEN);
	567	p -> SetFooter(m_Footers[1], wxPAGE_ODD);
	568
	569	p -> SetMargins(m_PageSetupData -> GetMarginTopLeft().y,
	570	m_PageSetupData -> GetMarginBottomRight().y,
	571	m_PageSetupData -> GetMarginTopLeft().x,
	572	m_PageSetupData -> GetMarginBottomRight().x);
	573
	574	return p;
	575	}
	576
	577
	578
	579	#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE