190bc67448
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2575 212acab6-be3b-0410-9dea-997c60f758d6
599 lines
15 KiB
C++
599 lines
15 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: htmprint.cpp
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// Purpose: html printing classes
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// Author: Vaclav Slavik
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// Created: 25/09/99
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// RCS-ID: $Id: htmprint.cpp,v 1.27.2.2 2002/11/11 00:01:23 VS Exp $
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// Copyright: (c) Vaclav Slavik, 1999
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "htmprint.h"
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#endif
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#include "wx/defs.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/intl.h"
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#include "wx/dc.h"
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#endif
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#if wxUSE_HTML && wxUSE_PRINTING_ARCHITECTURE && wxUSE_STREAMS
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#include "wx/dc.h"
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#include "wx/print.h"
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#include "wx/printdlg.h"
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#include "wx/html/htmprint.h"
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#include "wx/wxhtml.h"
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#include "wx/wfstream.h"
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//--------------------------------------------------------------------------------
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// wxHtmlDCRenderer
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//--------------------------------------------------------------------------------
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wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
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{
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m_DC = NULL;
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m_Width = m_Height = 0;
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m_Cells = NULL;
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m_Parser = new wxHtmlWinParser(NULL);
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m_FS = new wxFileSystem();
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m_Parser->SetFS(m_FS);
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}
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wxHtmlDCRenderer::~wxHtmlDCRenderer()
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{
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if (m_Cells) delete m_Cells;
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if (m_Parser) delete m_Parser;
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if (m_FS) delete m_FS;
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}
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void wxHtmlDCRenderer::SetDC(wxDC *dc, double pixel_scale)
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{
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m_DC = dc;
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m_Parser->SetDC(m_DC, pixel_scale);
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}
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void wxHtmlDCRenderer::SetSize(int width, int height)
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{
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m_Width = width;
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m_Height = height;
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}
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void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepath, bool isdir)
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{
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if (m_DC == NULL) return;
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if (m_Cells != NULL) delete m_Cells;
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m_FS->ChangePathTo(basepath, isdir);
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m_Cells = (wxHtmlContainerCell*) m_Parser->Parse(html);
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m_Cells->SetIndent(0, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
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m_Cells->Layout(m_Width);
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}
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int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
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{
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int pbreak, hght;
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if (m_Cells == NULL || m_DC == NULL) return 0;
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pbreak = (int)(from + m_Height);
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while (m_Cells->AdjustPagebreak(&pbreak)) {}
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hght = pbreak - from;
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if (!dont_render)
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{
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m_DC->SetBrush(*wxWHITE_BRUSH);
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m_DC->SetClippingRegion(x, y, m_Width, hght);
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m_Cells->Draw(*m_DC,
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x, (y - from),
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y, pbreak + (y /*- from*/));
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m_DC->DestroyClippingRegion();
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}
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if (pbreak < m_Cells->GetHeight()) return pbreak;
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else return GetTotalHeight();
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}
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int wxHtmlDCRenderer::GetTotalHeight()
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{
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if (m_Cells) return m_Cells->GetHeight();
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else return 0;
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}
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//--------------------------------------------------------------------------------
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// wxHtmlPrintout
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//--------------------------------------------------------------------------------
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wxHtmlPrintout::wxHtmlPrintout(const wxString& title) : wxPrintout(title)
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{
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m_Renderer = new wxHtmlDCRenderer;
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m_RendererHdr = new wxHtmlDCRenderer;
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m_NumPages = wxHTML_PRINT_MAX_PAGES;
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m_Document = m_BasePath = wxEmptyString; m_BasePathIsDir = TRUE;
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m_Headers[0] = m_Headers[1] = wxEmptyString;
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m_Footers[0] = m_Footers[1] = wxEmptyString;
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m_HeaderHeight = m_FooterHeight = 0;
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SetMargins(); // to default values
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}
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wxHtmlPrintout::~wxHtmlPrintout()
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{
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delete m_Renderer;
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delete m_RendererHdr;
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}
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bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
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{
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int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
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float ppmm_h, ppmm_v;
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if (!wxPrintout::OnBeginDocument(startPage, endPage)) return FALSE;
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GetPageSizePixels(&pageWidth, &pageHeight);
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GetPageSizeMM(&mm_w, &mm_h);
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ppmm_h = (float)pageWidth / mm_w;
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ppmm_v = (float)pageHeight / mm_h;
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int ppiPrinterX, ppiPrinterY;
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GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
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int ppiScreenX, ppiScreenY;
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GetPPIScreen(&ppiScreenX, &ppiScreenY);
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wxDisplaySize(&scr_w, &scr_h);
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GetDC()->GetSize(&dc_w, &dc_h);
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GetDC()->SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
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/* prepare headers/footers renderer: */
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m_RendererHdr->SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
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m_RendererHdr->SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginRight)),
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(int) (ppmm_v * (mm_h - m_MarginTop - m_MarginBottom)));
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if (m_Headers[0] != wxEmptyString)
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{
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m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[0], 1));
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m_HeaderHeight = m_RendererHdr->GetTotalHeight();
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}
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else if (m_Headers[1] != wxEmptyString)
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{
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m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[1], 1));
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m_HeaderHeight = m_RendererHdr->GetTotalHeight();
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}
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if (m_Footers[0] != wxEmptyString)
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{
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m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[0], 1));
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m_FooterHeight = m_RendererHdr->GetTotalHeight();
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}
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else if (m_Footers[1] != wxEmptyString)
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{
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m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[1], 1));
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m_FooterHeight = m_RendererHdr->GetTotalHeight();
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}
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/* prepare main renderer: */
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m_Renderer->SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
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m_Renderer->SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginRight)),
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(int) (ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) -
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m_FooterHeight - m_HeaderHeight -
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((m_HeaderHeight == 0) ? 0 : m_MarginSpace * ppmm_v) -
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((m_FooterHeight == 0) ? 0 : m_MarginSpace * ppmm_v)
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));
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m_Renderer->SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
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CountPages();
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return TRUE;
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}
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bool wxHtmlPrintout::OnPrintPage(int page)
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{
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wxDC *dc = GetDC();
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if (dc)
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{
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if (HasPage(page))
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RenderPage(dc, page);
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return TRUE;
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}
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else return FALSE;
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}
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void wxHtmlPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
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{
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*minPage = 1;
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*maxPage = wxHTML_PRINT_MAX_PAGES;
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*selPageFrom = 1;
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*selPageTo = wxHTML_PRINT_MAX_PAGES;
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}
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bool wxHtmlPrintout::HasPage(int pageNum)
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{
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return (pageNum >= 1 && pageNum <= m_NumPages);
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}
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void wxHtmlPrintout::SetHtmlText(const wxString& html, const wxString &basepath, bool isdir)
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{
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m_Document = html;
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m_BasePath = basepath;
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m_BasePathIsDir = isdir;
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}
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void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
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{
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wxFileSystem fs;
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wxFSFile *ff = fs.OpenFile(htmlfile);
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if (ff == NULL)
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{
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wxLogError(htmlfile + _(": file does not exist!"));
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return;
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}
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wxHtmlFilterHTML filter;
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wxString doc = filter.ReadFile(*ff);
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SetHtmlText(doc, htmlfile, FALSE);
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delete ff;
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}
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void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
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{
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if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
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m_Headers[0] = header;
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if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
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m_Headers[1] = header;
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}
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void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
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{
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if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
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m_Footers[0] = footer;
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if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
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m_Footers[1] = footer;
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}
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void wxHtmlPrintout::CountPages()
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{
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wxBusyCursor wait;
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int pageWidth, pageHeight, mm_w, mm_h;
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float ppmm_h, ppmm_v;
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GetPageSizePixels(&pageWidth, &pageHeight);
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GetPageSizeMM(&mm_w, &mm_h);
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ppmm_h = (float)pageWidth / mm_w;
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ppmm_v = (float)pageHeight / mm_h;
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int pos = 0;
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m_NumPages = 0;
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m_PageBreaks[0] = 0;
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do
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{
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pos = m_Renderer->Render((int)( ppmm_h * m_MarginLeft),
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(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight),
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pos, TRUE);
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m_PageBreaks[++m_NumPages] = pos;
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} while (pos < m_Renderer->GetTotalHeight());
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}
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void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
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{
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wxBusyCursor wait;
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int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
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float ppmm_h, ppmm_v;
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GetPageSizePixels(&pageWidth, &pageHeight);
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GetPageSizeMM(&mm_w, &mm_h);
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ppmm_h = (float)pageWidth / mm_w;
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ppmm_v = (float)pageHeight / mm_h;
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wxDisplaySize(&scr_w, &scr_h);
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dc->GetSize(&dc_w, &dc_h);
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int ppiPrinterX, ppiPrinterY;
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GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
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int ppiScreenX, ppiScreenY;
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GetPPIScreen(&ppiScreenX, &ppiScreenY);
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dc->SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
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m_Renderer->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
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dc->SetBackgroundMode(wxTRANSPARENT);
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m_Renderer->Render((int) (ppmm_h * m_MarginLeft),
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(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight),
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m_PageBreaks[page-1]);
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m_RendererHdr->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
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if (m_Headers[page % 2] != wxEmptyString)
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{
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m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
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m_RendererHdr->Render((int) (ppmm_h * m_MarginLeft), (int) (ppmm_v * m_MarginTop));
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}
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if (m_Footers[page % 2] != wxEmptyString)
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{
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m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
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m_RendererHdr->Render((int) (ppmm_h * m_MarginLeft), (int) (pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight));
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}
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}
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wxString wxHtmlPrintout::TranslateHeader(const wxString& instr, int page)
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{
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wxString r = instr;
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wxString num;
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num.Printf(wxT("%i"), page);
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r.Replace(wxT("@PAGENUM@"), num);
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num.Printf(wxT("%i"), m_NumPages);
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r.Replace(wxT("@PAGESCNT@"), num);
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return r;
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}
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void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right, float spaces)
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{
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m_MarginTop = top;
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m_MarginBottom = bottom;
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m_MarginLeft = left;
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m_MarginRight = right;
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m_MarginSpace = spaces;
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}
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//--------------------------------------------------------------------------------
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// wxHtmlEasyPrinting
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//--------------------------------------------------------------------------------
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wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_frame)
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{
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m_Frame = parent_frame;
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m_Name = name;
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m_PrintData = new wxPrintData;
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m_PageSetupData = new wxPageSetupDialogData;
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m_Headers[0] = m_Headers[1] = m_Footers[0] = m_Footers[1] = wxEmptyString;
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m_PageSetupData->EnableMargins(TRUE);
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m_PageSetupData->SetMarginTopLeft(wxPoint(25, 25));
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m_PageSetupData->SetMarginBottomRight(wxPoint(25, 25));
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}
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wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
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{
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delete m_PrintData;
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delete m_PageSetupData;
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}
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bool wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
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{
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wxHtmlPrintout *p1 = CreatePrintout();
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p1->SetHtmlFile(htmlfile);
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wxHtmlPrintout *p2 = CreatePrintout();
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p2->SetHtmlFile(htmlfile);
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return DoPreview(p1, p2);
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}
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bool wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
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{
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wxHtmlPrintout *p1 = CreatePrintout();
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p1->SetHtmlText(htmltext, basepath, TRUE);
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wxHtmlPrintout *p2 = CreatePrintout();
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p2->SetHtmlText(htmltext, basepath, TRUE);
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return DoPreview(p1, p2);
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}
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bool wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
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{
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wxHtmlPrintout *p = CreatePrintout();
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p->SetHtmlFile(htmlfile);
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bool ret = DoPrint(p);
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delete p;
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return ret;
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}
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bool wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
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{
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wxHtmlPrintout *p = CreatePrintout();
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p->SetHtmlText(htmltext, basepath, TRUE);
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bool ret = DoPrint(p);
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delete p;
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return ret;
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}
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bool wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2)
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{
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// Pass two printout objects: for preview, and possible printing.
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wxPrintDialogData printDialogData(*m_PrintData);
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wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
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if (!preview->Ok())
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{
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delete preview;
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return FALSE;
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}
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wxPreviewFrame *frame = new wxPreviewFrame(preview, m_Frame,
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m_Name + _(" Preview"),
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wxPoint(100, 100), wxSize(650, 500));
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frame->Centre(wxBOTH);
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frame->Initialize();
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frame->Show(TRUE);
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return TRUE;
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}
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bool wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
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{
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wxPrintDialogData printDialogData(*m_PrintData);
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wxPrinter printer(&printDialogData);
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if (!printer.Print(m_Frame, printout, TRUE))
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{
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return FALSE;
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}
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(*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
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return TRUE;
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}
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void wxHtmlEasyPrinting::PrinterSetup()
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{
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wxPrintDialogData printDialogData(*m_PrintData);
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wxPrintDialog printerDialog(m_Frame, &printDialogData);
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printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
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if (printerDialog.ShowModal() == wxID_OK)
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(*m_PrintData) = printerDialog.GetPrintDialogData().GetPrintData();
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}
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void wxHtmlEasyPrinting::PageSetup()
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{
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if (!m_PrintData->Ok())
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{
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wxLogError(_("There was a problem during page setup: you may need to set a default printer."));
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return;
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}
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m_PageSetupData->SetPrintData(*m_PrintData);
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wxPageSetupDialog pageSetupDialog(m_Frame, m_PageSetupData);
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if (pageSetupDialog.ShowModal() == wxID_OK)
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{
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(*m_PrintData) = pageSetupDialog.GetPageSetupData().GetPrintData();
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(*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
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|
}
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|
}
|
|
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
// This hack forces the linker to always link in m_* files
|
|
// (wxHTML doesn't work without handlers from these files)
|
|
#include "wx/html/forcelnk.h"
|
|
FORCE_WXHTML_MODULES()
|
|
|
|
#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
|