X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/66a77a748e5c8002f3f9ebd66f5457aca5aabad8..cb71578cae7032226e8650e1a119b6eb043507b8:/src/html/htmprint.cpp?ds=sidebyside

diff --git a/src/html/htmprint.cpp b/src/html/htmprint.cpp
index 5863e4bd88..811147e71f 100644
--- a/src/html/htmprint.cpp
+++ b/src/html/htmprint.cpp
@@ -26,7 +26,7 @@
 #include "wx/wx.h"
 #endif
 
-#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
+#if wxUSE_HTML && wxUSE_PRINTING_ARCHITECTURE && wxUSE_STREAMS
 
 #include "wx/print.h"
 #include "wx/printdlg.h"
@@ -47,8 +47,7 @@ wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
     m_Cells = NULL;
     m_Parser = new wxHtmlWinParser(NULL);
     m_FS = new wxFileSystem();
-    m_Parser -> SetFS(m_FS);
-    m_Scale = 1.0;
+    m_Parser->SetFS(m_FS);
 }
 
 
@@ -62,29 +61,18 @@ wxHtmlDCRenderer::~wxHtmlDCRenderer()
 
 
 
-void wxHtmlDCRenderer::SetDC(wxDC *dc, int maxwidth)
+void wxHtmlDCRenderer::SetDC(wxDC *dc, double pixel_scale)
 {
-    int dx, dy;
-
-    wxDisplaySize(&dx, &dy);
-    m_MaxWidth = maxwidth;
-#if 0
-    m_Scale = (float)dx * 2 / 3 / (float)maxwidth;
-            // let the width of A4 is approximately 2/3 the screen width
-#endif
-    m_Scale = (float)800 / (float)maxwidth;
-            // for now, assume screen width = 800 => good results
-
     m_DC = dc;
-    m_Parser -> SetDC(dc);
+    m_Parser->SetDC(m_DC, pixel_scale);
 }
 
 
 
 void wxHtmlDCRenderer::SetSize(int width, int height)
 {
-    m_Width = (int)(width * m_Scale);
-    m_Height = (int)(height * m_Scale);
+    m_Width = width;
+    m_Height = height;
 }
 
 
@@ -95,40 +83,36 @@ void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepat
 
     if (m_Cells != NULL) delete m_Cells;
     
-    m_FS -> ChangePathTo(basepath, isdir);
-    m_DC -> SetUserScale(1.0, 1.0);
-    m_Cells = (wxHtmlContainerCell*) m_Parser -> Parse(html);
-    m_Cells -> SetIndent(0, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
-    m_Cells -> Layout(m_Width);
+    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;
+    int pbreak, hght;
     
     if (m_Cells == NULL || m_DC == NULL) return 0;
     
-    pbreak = (int)(from * m_Scale + m_Height);
-    while (m_Cells -> AdjustPagebreak(&pbreak)) {}
+    pbreak = (int)(from + m_Height);
+    while (m_Cells->AdjustPagebreak(&pbreak)) {}
+    hght = pbreak - from;
     
-    if (!dont_render) {
-        int w, h;
-        m_DC -> GetSize(&w, &h);
-        float overallScale = (float)(w/(float)m_MaxWidth) / m_Scale;
-        m_DC -> SetUserScale(overallScale, overallScale);
-
-        m_DC -> SetBrush(*wxWHITE_BRUSH);
+    if (!dont_render) 
+    {
+        m_DC->SetBrush(*wxWHITE_BRUSH);
         
-        m_DC -> SetClippingRegion(x * m_Scale, y * m_Scale, m_Width, m_Height);
-        m_Cells -> Draw(*m_DC, 
-                        x * m_Scale, (y - from) * m_Scale, 
-                        y * m_Scale, pbreak + (y - from) * m_Scale);
-        m_DC -> DestroyClippingRegion();
+        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 (int)(pbreak / m_Scale);
+    if (pbreak < m_Cells->GetHeight()) return pbreak;
     else return GetTotalHeight();
 }
 
@@ -136,7 +120,7 @@ int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
 
 int wxHtmlDCRenderer::GetTotalHeight()
 {
-    if (m_Cells) return (int)(m_Cells -> GetHeight() / m_Scale);
+    if (m_Cells) return m_Cells->GetHeight();
     else return 0;
 }
 
@@ -183,62 +167,78 @@ wxHtmlPrintout::~wxHtmlPrintout()
 
 
 
-void wxHtmlPrintout::OnBeginPrinting()
+bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
 {
-    int pageWidth, pageHeight, mm_w, mm_h;
+    int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
     float ppmm_h, ppmm_v;
     
-    wxPrintout::OnBeginPrinting();
+    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(), pageWidth);
-    m_RendererHdr -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop), 
-                          ppmm_v * (mm_h - m_MarginTop - m_MarginBottom));
-    if (m_Headers[0] != wxEmptyString) {
-        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[0], 1));
-        m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
+    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();
+    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();
+    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();
+    else if (m_Footers[1] != wxEmptyString) 
+    {
+        m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[1], 1));
+        m_FooterHeight = m_RendererHdr->GetTotalHeight();
     }
     
     /* prepare main renderer: */
-    m_Renderer -> SetDC(GetDC(), pageWidth);
-    m_Renderer -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop), 
-                          ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) - 
+    m_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);
+                          ));
+    m_Renderer->SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
     CountPages();
+    return TRUE;
 }
 
 
 bool wxHtmlPrintout::OnPrintPage(int page)
 {
     wxDC *dc = GetDC();
-    if (dc) {
+    if (dc) 
+    {
         if (HasPage(page))
             RenderPage(dc, page);
         return TRUE;
-    } else
-        return FALSE;
+    } 
+    else return FALSE;
 }
 
 
@@ -272,10 +272,17 @@ void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
 {
     wxFileSystem fs;
     wxFSFile *ff = fs.OpenFile(htmlfile);
-    wxInputStream *st = ff -> GetStream();
-    char *t = new char[st -> GetSize() + 1];
-    st -> Read(t, st -> GetSize());
-    t[st -> GetSize()] = 0;
+    
+    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;
@@ -322,12 +329,13 @@ void wxHtmlPrintout::CountPages()
     m_NumPages = 0;
     
     m_PageBreaks[0] = 0;
-    do {
-        pos = m_Renderer -> Render(ppmm_h * m_MarginLeft, 
-                                   ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
+    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());
+    } while (pos < m_Renderer->GetTotalHeight());
 }
 
 
@@ -336,30 +344,41 @@ void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
 {
     wxBusyCursor wait;
 
-    int pageWidth, pageHeight, mm_w, mm_h;
+    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;
-    
-    m_Renderer -> SetDC(dc, pageWidth);
+    wxDisplaySize(&scr_w, &scr_h);
+    dc->GetSize(&dc_w, &dc_h);
+
+    int ppiPrinterX, ppiPrinterY;
+    GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
+    int ppiScreenX, ppiScreenY;
+    GetPPIScreen(&ppiScreenX, &ppiScreenY);
 
-    dc -> SetBackgroundMode(wxTRANSPARENT);
+    dc->SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
+    
+    m_Renderer->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
+    
+    dc->SetBackgroundMode(wxTRANSPARENT);
 
-    m_Renderer -> Render(ppmm_h * m_MarginLeft, 
-                         ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
+    m_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, pageWidth);
-    if (m_Headers[page % 2] != wxEmptyString) {
-        m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
-        m_RendererHdr -> Render(ppmm_h * m_MarginLeft, ppmm_v * m_MarginTop);
+    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(ppmm_h * m_MarginLeft, pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight);
+    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));
     }
 }
 
@@ -411,9 +430,9 @@ wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_fra
     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));
+    m_PageSetupData->EnableMargins(TRUE);
+    m_PageSetupData->SetMarginTopLeft(wxPoint(25, 25));    
+    m_PageSetupData->SetMarginBottomRight(wxPoint(25, 25));
 }
 
 
@@ -426,77 +445,80 @@ wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
 
 
 
-void wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
+bool wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
 {
     wxHtmlPrintout *p1 = CreatePrintout();
-    p1 -> SetHtmlFile(htmlfile);
+    p1->SetHtmlFile(htmlfile);
     wxHtmlPrintout *p2 = CreatePrintout();
-    p2 -> SetHtmlFile(htmlfile);
-    DoPreview(p1, p2);
+    p2->SetHtmlFile(htmlfile);
+    return DoPreview(p1, p2);
 }
 
 
 
-void wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
+bool wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
 {
     wxHtmlPrintout *p1 = CreatePrintout();
-    p1 -> SetHtmlText(htmltext, basepath, TRUE);
+    p1->SetHtmlText(htmltext, basepath, TRUE);
     wxHtmlPrintout *p2 = CreatePrintout();
-    p2 -> SetHtmlText(htmltext, basepath, TRUE);
-    DoPreview(p1, p2);
+    p2->SetHtmlText(htmltext, basepath, TRUE);
+    return DoPreview(p1, p2);
 }
 
 
 
-void wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
+bool wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
 {
     wxHtmlPrintout *p = CreatePrintout();
-    p -> SetHtmlFile(htmlfile);
-    DoPrint(p);
+    p->SetHtmlFile(htmlfile);
+    return DoPrint(p);
 }
 
 
 
-void wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
+bool wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
 {
     wxHtmlPrintout *p = CreatePrintout();
-    p -> SetHtmlText(htmltext, basepath, TRUE);
-    DoPrint(p);
+    p->SetHtmlText(htmltext, basepath, TRUE);
+    return DoPrint(p);
 }
 
 
 
-void wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2)
+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()) {
+    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);
+        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;
 }
 
 
 
-void wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
+bool 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();
+    {
+        return FALSE;
+    }
+
+    (*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
+    return TRUE;
 }
 
 
@@ -516,10 +538,11 @@ void wxHtmlEasyPrinting::PrinterSetup()
 
 void wxHtmlEasyPrinting::PageSetup()
 {
-    m_PageSetupData -> SetPrintData(*m_PrintData);
+    m_PageSetupData->SetPrintData(*m_PrintData);
     wxPageSetupDialog pageSetupDialog(m_Frame, m_PageSetupData);
 
-    if (pageSetupDialog.ShowModal() == wxID_OK) {
+    if (pageSetupDialog.ShowModal() == wxID_OK) 
+    {
         (*m_PrintData) = pageSetupDialog.GetPageSetupData().GetPrintData();
         (*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
     }
@@ -551,15 +574,15 @@ 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);
+    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;
 }