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 && wxUSE_STREAMS

#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_MarginRight)),
                          (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_MarginRight)),
                          (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;
}


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


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


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


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


bool 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;
        return FALSE;
    }

    wxPreviewFrame *frame = new wxPreviewFrame(preview, m_Frame,
                                               m_Name + _(" Preview"),
                                               wxPoint(100, 100), wxSize(650, 500));
    frame->Centre(wxBOTH);
    frame->Initialize();
    frame->Show(TRUE);
    return TRUE;
}


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

    if (!printer.Print(m_Frame, printout, TRUE))
    {
        return FALSE;
    }

    (*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
    return TRUE;
}


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 && wxUSE_STREAMS
	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	{
	106	m_DC->SetBrush(*wxWHITE_BRUSH);
	107
	108	m_DC->SetClippingRegion(x, y, m_Width, hght);
	109	m_Cells->Draw(*m_DC,
	110	x, (y - from),
	111	y, pbreak + (y /- from/));
	112	m_DC->DestroyClippingRegion();
	113	}
	114
	115	if (pbreak < m_Cells->GetHeight()) return pbreak;
	116	else return GetTotalHeight();
	117	}
	118
	119
	120
	121	int wxHtmlDCRenderer::GetTotalHeight()
	122	{
	123	if (m_Cells) return m_Cells->GetHeight();
	124	else return 0;
	125	}
	126
	127
	128
	129
	130
	131
	132
	133
	134
	135
	136
	137
	138
	139
	140
	141
	142	//--------------------------------------------------------------------------------
	143	// wxHtmlPrintout
	144	//--------------------------------------------------------------------------------
	145
	146
	147
	148	wxHtmlPrintout::wxHtmlPrintout(const wxString& title) : wxPrintout(title)
	149	{
	150	m_Renderer = new wxHtmlDCRenderer;
	151	m_RendererHdr = new wxHtmlDCRenderer;
	152	m_NumPages = wxHTML_PRINT_MAX_PAGES;
	153	m_Document = m_BasePath = wxEmptyString; m_BasePathIsDir = TRUE;
	154	m_Headers[0] = m_Headers[1] = wxEmptyString;
	155	m_Footers[0] = m_Footers[1] = wxEmptyString;
	156	m_HeaderHeight = m_FooterHeight = 0;
	157	SetMargins(); // to default values
	158	}
	159
	160
	161
	162	wxHtmlPrintout::~wxHtmlPrintout()
	163	{
	164	delete m_Renderer;
	165	delete m_RendererHdr;
	166	}
	167
	168
	169
	170	bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
	171	{
	172	int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
	173	float ppmm_h, ppmm_v;
	174
	175	if (!wxPrintout::OnBeginDocument(startPage, endPage)) return FALSE;
	176
	177	GetPageSizePixels(&pageWidth, &pageHeight);
	178	GetPageSizeMM(&mm_w, &mm_h);
	179	ppmm_h = (float)pageWidth / mm_w;
	180	ppmm_v = (float)pageHeight / mm_h;
	181
	182	int ppiPrinterX, ppiPrinterY;
	183	GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
	184	int ppiScreenX, ppiScreenY;
	185	GetPPIScreen(&ppiScreenX, &ppiScreenY);
	186
	187	wxDisplaySize(&scr_w, &scr_h);
	188	GetDC()->GetSize(&dc_w, &dc_h);
	189
	190	GetDC()->SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
	191
	192	/* prepare headers/footers renderer: */
	193
	194	m_RendererHdr->SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
	195	m_RendererHdr->SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginRight)),
	196	(int) (ppmm_v * (mm_h - m_MarginTop - m_MarginBottom)));
	197	if (m_Headers[0] != wxEmptyString)
	198	{
	199	m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[0], 1));
	200	m_HeaderHeight = m_RendererHdr->GetTotalHeight();
	201	}
	202	else if (m_Headers[1] != wxEmptyString)
	203	{
	204	m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[1], 1));
	205	m_HeaderHeight = m_RendererHdr->GetTotalHeight();
	206	}
	207	if (m_Footers[0] != wxEmptyString)
	208	{
	209	m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[0], 1));
	210	m_FooterHeight = m_RendererHdr->GetTotalHeight();
	211	}
	212	else if (m_Footers[1] != wxEmptyString)
	213	{
	214	m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[1], 1));
	215	m_FooterHeight = m_RendererHdr->GetTotalHeight();
	216	}
	217
	218	/* prepare main renderer: */
	219	m_Renderer->SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
	220	m_Renderer->SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginRight)),
	221	(int) (ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) -
	222	m_FooterHeight - m_HeaderHeight -
	223	((m_HeaderHeight == 0) ? 0 : m_MarginSpace * ppmm_v) -
	224	((m_FooterHeight == 0) ? 0 : m_MarginSpace * ppmm_v)
	225	));
	226	m_Renderer->SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
	227	CountPages();
	228	return TRUE;
	229	}
	230
	231
	232	bool wxHtmlPrintout::OnPrintPage(int page)
	233	{
	234	wxDC *dc = GetDC();
	235	if (dc)
	236	{
	237	if (HasPage(page))
	238	RenderPage(dc, page);
	239	return TRUE;
	240	}
	241	else return FALSE;
	242	}
	243
	244
	245	void wxHtmlPrintout::GetPageInfo(int minPage, int maxPage, int selPageFrom, int selPageTo)
	246	{
	247	*minPage = 1;
	248	*maxPage = wxHTML_PRINT_MAX_PAGES;
	249	*selPageFrom = 1;
	250	*selPageTo = wxHTML_PRINT_MAX_PAGES;
	251	}
	252
	253
	254
	255	bool wxHtmlPrintout::HasPage(int pageNum)
	256	{
	257	return (pageNum >= 1 && pageNum <= m_NumPages);
	258	}
	259
	260
	261
	262	void wxHtmlPrintout::SetHtmlText(const wxString& html, const wxString &basepath, bool isdir)
	263	{
	264	m_Document = html;
	265	m_BasePath = basepath;
	266	m_BasePathIsDir = isdir;
	267	}
	268
	269
	270
	271	void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
	272	{
	273	wxFileSystem fs;
	274	wxFSFile *ff = fs.OpenFile(htmlfile);
	275
	276	if (ff == NULL)
	277	{
	278	wxLogError(htmlfile + _(": file does not exist!"));
	279	return;
	280	}
	281
	282	wxInputStream *st = ff->GetStream();
	283	char *t = new char[st->GetSize() + 1];
	284	st->Read(t, st->GetSize());
	285	t[st->GetSize()] = 0;
	286
	287	wxString doc = wxString(t);
	288	delete t;
	289	delete ff;
	290
	291	SetHtmlText(doc, htmlfile, FALSE);
	292	}
	293
	294
	295
	296	void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
	297	{
	298	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	299	m_Headers[0] = header;
	300	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	301	m_Headers[1] = header;
	302	}
	303
	304
	305
	306	void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
	307	{
	308	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	309	m_Footers[0] = footer;
	310	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	311	m_Footers[1] = footer;
	312	}
	313
	314
	315
	316	void wxHtmlPrintout::CountPages()
	317	{
	318	wxBusyCursor wait;
	319	int pageWidth, pageHeight, mm_w, mm_h;
	320	float ppmm_h, ppmm_v;
	321
	322	GetPageSizePixels(&pageWidth, &pageHeight);
	323	GetPageSizeMM(&mm_w, &mm_h);
	324	ppmm_h = (float)pageWidth / mm_w;
	325	ppmm_v = (float)pageHeight / mm_h;
	326
	327	int pos = 0;
	328
	329	m_NumPages = 0;
	330
	331	m_PageBreaks[0] = 0;
	332	do
	333	{
	334	pos = m_Renderer->Render((int)( ppmm_h * m_MarginLeft),
	335	(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight),
	336	pos, TRUE);
	337	m_PageBreaks[++m_NumPages] = pos;
	338	} while (pos < m_Renderer->GetTotalHeight());
	339	}
	340
	341
	342
	343	void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
	344	{
	345	wxBusyCursor wait;
	346
	347	int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
	348	float ppmm_h, ppmm_v;
	349
	350	GetPageSizePixels(&pageWidth, &pageHeight);
	351	GetPageSizeMM(&mm_w, &mm_h);
	352	ppmm_h = (float)pageWidth / mm_w;
	353	ppmm_v = (float)pageHeight / mm_h;
	354	wxDisplaySize(&scr_w, &scr_h);
	355	dc->GetSize(&dc_w, &dc_h);
	356
	357	int ppiPrinterX, ppiPrinterY;
	358	GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
	359	int ppiScreenX, ppiScreenY;
	360	GetPPIScreen(&ppiScreenX, &ppiScreenY);
	361
	362	dc->SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
	363
	364	m_Renderer->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
	365
	366	dc->SetBackgroundMode(wxTRANSPARENT);
	367
	368	m_Renderer->Render((int) (ppmm_h * m_MarginLeft),
	369	(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight),
	370	m_PageBreaks[page-1]);
	371
	372	m_RendererHdr->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
	373	if (m_Headers[page % 2] != wxEmptyString)
	374	{
	375	m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
	376	m_RendererHdr->Render((int) (ppmm_h * m_MarginLeft), (int) (ppmm_v * m_MarginTop));
	377	}
	378	if (m_Footers[page % 2] != wxEmptyString)
	379	{
	380	m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
	381	m_RendererHdr->Render((int) (ppmm_h * m_MarginLeft), (int) (pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight));
	382	}
	383	}
	384
	385
	386
	387	wxString wxHtmlPrintout::TranslateHeader(const wxString& instr, int page)
	388	{
	389	wxString r = instr;
	390	wxString num;
	391
	392	num.Printf(wxT("%i"), page);
	393	r.Replace(wxT("@PAGENUM@"), num);
	394
	395	num.Printf(wxT("%i"), m_NumPages);
	396	r.Replace(wxT("@PAGESCNT@"), num);
	397
	398	return r;
	399	}
	400
	401
	402
	403	void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right, float spaces)
	404	{
	405	m_MarginTop = top;
	406	m_MarginBottom = bottom;
	407	m_MarginLeft = left;
	408	m_MarginRight = right;
	409	m_MarginSpace = spaces;
	410	}
	411
	412
	413
	414
	415
	416
	417	//--------------------------------------------------------------------------------
	418	// wxHtmlEasyPrinting
	419	//--------------------------------------------------------------------------------
	420
	421
	422	wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_frame)
	423	{
	424	m_Frame = parent_frame;
	425	m_Name = name;
	426	m_PrintData = new wxPrintData;
	427	#if (defined __WXGTK__) \|\| (defined __WXMOTIF__)
	428	(m_PrintData) = (wxThePrintSetupData);
	429	#endif
	430	m_PageSetupData = new wxPageSetupDialogData;
	431	m_Headers[0] = m_Headers[1] = m_Footers[0] = m_Footers[1] = wxEmptyString;
	432
	433	m_PageSetupData->EnableMargins(TRUE);
	434	m_PageSetupData->SetMarginTopLeft(wxPoint(25, 25));
	435	m_PageSetupData->SetMarginBottomRight(wxPoint(25, 25));
	436	}
	437
	438
	439
	440	wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
	441	{
	442	delete m_PrintData;
	443	delete m_PageSetupData;
	444	}
	445
	446
	447
	448	bool wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
	449	{
	450	wxHtmlPrintout *p1 = CreatePrintout();
	451	p1->SetHtmlFile(htmlfile);
	452	wxHtmlPrintout *p2 = CreatePrintout();
	453	p2->SetHtmlFile(htmlfile);
	454	return DoPreview(p1, p2);
	455	}
	456
	457
	458
	459	bool wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
	460	{
	461	wxHtmlPrintout *p1 = CreatePrintout();
	462	p1->SetHtmlText(htmltext, basepath, TRUE);
	463	wxHtmlPrintout *p2 = CreatePrintout();
	464	p2->SetHtmlText(htmltext, basepath, TRUE);
	465	return DoPreview(p1, p2);
	466	}
	467
	468
	469
	470	bool wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
	471	{
	472	wxHtmlPrintout *p = CreatePrintout();
	473	p->SetHtmlFile(htmlfile);
	474	bool ret = DoPrint(p);
	475	delete p;
	476	return ret;
	477	}
	478
	479
	480
	481	bool wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
	482	{
	483	wxHtmlPrintout *p = CreatePrintout();
	484	p->SetHtmlText(htmltext, basepath, TRUE);
	485	bool ret = DoPrint(p);
	486	delete p;
	487	return ret;
	488	}
	489
	490
	491
	492	bool wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout printout1, wxHtmlPrintout printout2)
	493	{
	494	// Pass two printout objects: for preview, and possible printing.
	495	wxPrintDialogData printDialogData(*m_PrintData);
	496	wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
	497	if (!preview->Ok())
	498	{
	499	delete preview;
	500	return FALSE;
	501	}
	502
	503	wxPreviewFrame *frame = new wxPreviewFrame(preview, m_Frame,
	504	m_Name + _(" Preview"),
	505	wxPoint(100, 100), wxSize(650, 500));
	506	frame->Centre(wxBOTH);
	507	frame->Initialize();
	508	frame->Show(TRUE);
	509	return TRUE;
	510	}
	511
	512
	513
	514	bool wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
	515	{
	516	wxPrintDialogData printDialogData(*m_PrintData);
	517	wxPrinter printer(&printDialogData);
	518
	519	if (!printer.Print(m_Frame, printout, TRUE))
	520	{
	521	return FALSE;
	522	}
	523
	524	(*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
	525	return TRUE;
	526	}
	527
	528
	529
	530	void wxHtmlEasyPrinting::PrinterSetup()
	531	{
	532	wxPrintDialogData printDialogData(*m_PrintData);
	533	wxPrintDialog printerDialog(m_Frame, &printDialogData);
	534
	535	printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
	536
	537	if (printerDialog.ShowModal() == wxID_OK)
	538	(*m_PrintData) = printerDialog.GetPrintDialogData().GetPrintData();
	539	}
	540
	541
	542
	543	void wxHtmlEasyPrinting::PageSetup()
	544	{
	545	m_PageSetupData->SetPrintData(*m_PrintData);
	546	wxPageSetupDialog pageSetupDialog(m_Frame, m_PageSetupData);
	547
	548	if (pageSetupDialog.ShowModal() == wxID_OK)
	549	{
	550	(*m_PrintData) = pageSetupDialog.GetPageSetupData().GetPrintData();
	551	(*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
	552	}
	553	}
	554
	555
	556
	557	void wxHtmlEasyPrinting::SetHeader(const wxString& header, int pg)
	558	{
	559	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	560	m_Headers[0] = header;
	561	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	562	m_Headers[1] = header;
	563	}
	564
	565
	566
	567	void wxHtmlEasyPrinting::SetFooter(const wxString& footer, int pg)
	568	{
	569	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_EVEN)
	570	m_Footers[0] = footer;
	571	if (pg == wxPAGE_ALL \|\| pg == wxPAGE_ODD)
	572	m_Footers[1] = footer;
	573	}
	574
	575
	576
	577	wxHtmlPrintout *wxHtmlEasyPrinting::CreatePrintout()
	578	{
	579	wxHtmlPrintout *p = new wxHtmlPrintout(m_Name);
	580
	581	p->SetHeader(m_Headers[0], wxPAGE_EVEN);
	582	p->SetHeader(m_Headers[1], wxPAGE_ODD);
	583	p->SetFooter(m_Footers[0], wxPAGE_EVEN);
	584	p->SetFooter(m_Footers[1], wxPAGE_ODD);
	585
	586	p->SetMargins(m_PageSetupData->GetMarginTopLeft().y,
	587	m_PageSetupData->GetMarginBottomRight().y,
	588	m_PageSetupData->GetMarginTopLeft().x,
	589	m_PageSetupData->GetMarginBottomRight().x);
	590
	591	return p;
	592	}
	593
	594
	595
	596	#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE