bool EditPrint::PrintScaling (wxDC *dc){
// check for dc, return if none
if (!dc) return false;
// get printer and screen sizing values
wxSize ppiScr;
GetPPIScreen (&ppiScr.x, &ppiScr.y);
if (ppiScr.x == 0) { // most possible guess 96 dpi
ppiScr.x = 96;
ppiScr.y = 96;
}
wxSize ppiPrt;
GetPPIPrinter (&ppiPrt.x, &ppiPrt.y);
if (ppiPrt.x == 0) { // scaling factor to 1
ppiPrt.x = ppiScr.x;
ppiPrt.y = ppiScr.y;
}
wxSize dcSize = dc->GetSize();
wxSize pageSize;
GetPageSizePixels (&pageSize.x, &pageSize.y);
// set user scale
float scale_x = (float)(ppiPrt.x * dcSize.x) /
(float)(ppiScr.x * pageSize.x);
float scale_y = (float)(ppiPrt.y * dcSize.y) /
(float)(ppiScr.y * pageSize.y);
dc->SetUserScale (scale_x, scale_y);
return true;
}
void MunkHtmlPrintout::OnPreparePrinting()
{
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;
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_h / (double)pageHeight);
/* 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();
}
float wxTextPrintout::GetScale()
{
// First calculate scale
int pw=0,ph=0,sw=0,sh=0;
GetPPIPrinter(&pw,&ph);
GetPPIScreen(&sw,&sh);
if ((sw==0)||(sh==0))
{ return float(1);}
return (float(pw)/sw+float(ph)/sh)/2;
}
void EditPrint::GetPageInfo (int *minPage, int *maxPage, int *selPageFrom, int *selPageTo) {
// initialize values
*minPage = 0;
*maxPage = 0;
*selPageFrom = 0;
*selPageTo = 0;
// scale DC if possible
wxDC *dc = GetDC();
if (!dc) return;
PrintScaling (dc);
// get print page informations and convert to printer pixels
wxSize ppiScr;
GetPPIScreen (&ppiScr.x, &ppiScr.y);
wxSize page = g_pageSetupData->GetPaperSize();
page.x = static_cast<int> (page.x * ppiScr.x / 25.4);
page.y = static_cast<int> (page.y * ppiScr.y / 25.4);
m_pageRect = wxRect (0,
0,
page.x,
page.y);
// get margins informations and convert to printer pixels
wxPoint pt = g_pageSetupData->GetMarginTopLeft();
int left = pt.x;
int top = pt.y;
pt = g_pageSetupData->GetMarginBottomRight();
int right = pt.x;
int bottom = pt.y;
top = static_cast<int> (top * ppiScr.y / 25.4);
bottom = static_cast<int> (bottom * ppiScr.y / 25.4);
left = static_cast<int> (left * ppiScr.x / 25.4);
right = static_cast<int> (right * ppiScr.x / 25.4);
m_printRect = wxRect (left,
top,
page.x - (left + right),
page.y - (top + bottom));
// count pages
while (HasPage (*maxPage)) {
m_printed = m_edit->FormatRange (0, m_printed, m_edit->GetLength(),
dc, dc, m_printRect, m_pageRect);
*maxPage += 1;
}
if (*maxPage > 0) *minPage = 1;
*selPageFrom = *minPage;
*selPageTo = *maxPage;
}
double MathPrintout::GetPPIScale()
{
int ppiScreenX, ppiScreenY;
int ppiPrinterX, ppiPrinterY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
#if defined __WXMAC__
return 0.6*((double)ppiPrinterY) / ((double)ppiScreenY);
#else
return ((double)ppiPrinterY) / ((double)ppiScreenY);
#endif
}
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);
wxUnusedVar(ppiPrinterX);
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
wxUnusedVar(ppiScreenX);
dc->SetUserScale((double)dc_w / (double)pageWidth,
(double)dc_h / (double)pageHeight);
m_Renderer->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
dc->SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
m_Renderer->Render((int) (ppmm_h * m_MarginLeft),
(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight), m_PageBreaks,
m_PageBreaks[page-1], false, m_PageBreaks[page]-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), m_PageBreaks);
}
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), m_PageBreaks);
}
}
//------------------------------------------------------------------------------
// bool PrintScaling(wxDC *dc)
//------------------------------------------------------------------------------
bool EditorPrintout::PrintScaling(wxDC *dc)
{
#ifdef DEBUG_PRINTOUT
MessageInterface::ShowMessage("EditorPrintout::PrintScaling() entered\n");
#endif
// check for dc, return if none
if(!dc)
return false;
// get printer and screen sizing values
wxSize ppiScr;
GetPPIScreen(&ppiScr.x, &ppiScr.y);
if(ppiScr.x == 0)
{ // most possible guess 96 dpi
ppiScr.x = 96;
ppiScr.y = 96;
}
wxSize ppiPrt;
GetPPIPrinter(&ppiPrt.x, &ppiPrt.y);
if(ppiPrt.x == 0)
{ // scaling factor to 1
ppiPrt.x = ppiScr.x;
ppiPrt.y = ppiScr.y;
}
wxSize dcSize = dc->GetSize();
wxSize pageSize;
GetPageSizePixels(&pageSize.x, &pageSize.y);
// set user scale
float scale_x =(float)(ppiPrt.x * dcSize.x) / (float)(ppiScr.x * pageSize.x);
float scale_y =(float)(ppiPrt.y * dcSize.y) / (float)(ppiScr.y * pageSize.y);
dc->SetUserScale(scale_x, scale_y);
#ifdef DEBUG_PRINTOUT
MessageInterface::ShowMessage
("EditorPrintout::PrintScaling() returning true\n");
#endif
return true;
}
bool
TrussPrintout::OnPrintPage(int pageNum) {
assert(HasPage(pageNum)
&& "this should only be called if HasPage returns true");
wxDC *dc = GetDC();
if (!dc || !dc->IsOk())
return false;
int printer_x, printer_y, screen_x, screen_y;
GetPPIPrinter(&printer_x, &printer_y);
GetPPIScreen(&screen_x, &screen_y);
float scale = printer_x / (float)screen_x;
// wxFont is stupid apparently and uses "points" that don't actually match
// up on the page.
wxFont &f = *wxTheFontList->FindOrCreateFont(12 * scale,
wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
dc->SetFont(f);
pages[pageNum-1].print(*dc);
return true;
}
void EditPrint::GetPageInfo (int *minPage, int *maxPage, int *selPageFrom, int *selPageTo) {
// initialize values
*minPage = 0;
*maxPage = 0;
*selPageFrom = 0;
*selPageTo = 0;
// scale DC if possible
wxDC *dc = GetDC();
if (!dc) return;
PrintScaling (dc);
// get print page informations and convert to printer pixels
wxSize ppiScr;
GetPPIScreen (&ppiScr.x, &ppiScr.y);
wxSize page = g_pageSetupData->GetPaperSize();
page.x = static_cast<int> (page.x * ppiScr.x / 25.4);
page.y = static_cast<int> (page.y * ppiScr.y / 25.4);
// In landscape mode we need to swap the width and height
if ( g_pageSetupData->GetPrintData().GetOrientation() == wxLANDSCAPE )
{
wxSwap(page.x, page.y);
}
m_pageRect = wxRect (0,
0,
page.x,
page.y);
// get margins informations and convert to printer pixels
wxPoint pt = g_pageSetupData->GetMarginTopLeft();
int left = pt.x;
int top = pt.y;
pt = g_pageSetupData->GetMarginBottomRight();
int right = pt.x;
int bottom = pt.y;
top = static_cast<int> (top * ppiScr.y / 25.4);
bottom = static_cast<int> (bottom * ppiScr.y / 25.4);
left = static_cast<int> (left * ppiScr.x / 25.4);
right = static_cast<int> (right * ppiScr.x / 25.4);
m_printRect = wxRect (left,
top,
page.x - (left + right),
page.y - (top + bottom));
// count pages
m_pageEnds.Clear();
int printed = 0;
while ( printed < m_edit->GetLength() ) {
printed = m_edit->FormatRange(false, printed, m_edit->GetLength(),
dc, dc, m_printRect, m_pageRect);
m_pageEnds.Add(printed);
*maxPage += 1;
}
if (*maxPage > 0) *minPage = 1;
*selPageFrom = *minPage;
*selPageTo = *maxPage;
}
/// Calculate scaling and rectangles, setting the device context scaling
void wxRichTextPrintout::CalculateScaling(wxDC* dc, wxRect& textRect, wxRect& headerRect, wxRect& footerRect)
{
// Get the logical pixels per inch of screen and printer
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
// This scales the DC so that the printout roughly represents the
// the screen scaling.
float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
// Now we have to check in case our real page size is reduced
// (e.g. because we're drawing to a print preview memory DC)
int pageWidth, pageHeight;
int w, h;
dc->GetSize(&w, &h);
GetPageSizePixels(&pageWidth, &pageHeight);
// If printer pageWidth == current DC width, then this doesn't
// change. But w might be the preview bitmap width, so scale down.
float previewScale = (float)(w/(float)pageWidth);
float overallScale = scale * previewScale;
// The dimensions used for indentation etc. have to be unscaled
// during printing to be correct when scaling is applied.
if (!IsPreview())
m_richTextBuffer->SetScale(scale);
// Calculate margins
int marginLeft = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginLeft);
int marginTop = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginTop);
int marginRight = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginRight);
int marginBottom = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginBottom);
// Header and footer margins
int headerMargin = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_headerFooterData.GetHeaderMargin());
int footerMargin = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_headerFooterData.GetFooterMargin());
dc->SetUserScale(overallScale, overallScale);
wxRect rect((int) (marginLeft/scale), (int) (marginTop/scale),
(int) ((pageWidth - marginLeft - marginRight)/scale), (int)((pageHeight - marginTop - marginBottom)/scale));
headerRect = wxRect(0, 0, 0, 0);
if (!m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
!m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
!m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_RIGHT).IsEmpty() ||
!m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
!m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
!m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_RIGHT).IsEmpty())
{
if (m_headerFooterData.GetFont().Ok())
dc->SetFont(m_headerFooterData.GetFont());
else
dc->SetFont(*wxNORMAL_FONT);
int charHeight = dc->GetCharHeight();
int headerHeight = (int) (charHeight + headerMargin/scale);
headerRect = wxRect(rect.x, rect.y, rect.width, headerHeight);
rect.y += headerHeight;
rect.height -= headerHeight;
}
footerRect = wxRect(0, 0, 0, 0);
if (!m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
!m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
!m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_RIGHT).IsEmpty() ||
!m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
!m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
!m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_RIGHT).IsEmpty())
{
if (m_headerFooterData.GetFont().Ok())
dc->SetFont(m_headerFooterData.GetFont());
else
dc->SetFont(*wxNORMAL_FONT);
int charHeight = dc->GetCharHeight();
int footerHeight = (int) (charHeight + footerMargin/scale);
footerRect = wxRect(rect.x, rect.y + rect.height, rect.width, footerHeight);
rect.height -= footerHeight;
}
textRect = rect;
}
void MyPrintout::DrawPageTwo()
{
// You might use THIS code to set the printer DC to ROUGHLY reflect
// the screen text size. This page also draws lines of actual length
// 5cm on the page.
// Compare this to DrawPageOne(), which uses the really convenient routines
// from wxPrintout to fit the screen image onto the printed page. This page
// illustrates how to do all the scaling calculations yourself, if you're so
// inclined.
wxDC *dc = GetDC();
// Get the logical pixels per inch of screen and printer
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
// This scales the DC so that the printout roughly represents the screen
// scaling. The text point size _should_ be the right size but in fact is
// too small for some reason. This is a detail that will need to be
// addressed at some point but can be fudged for the moment.
float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
// Now we have to check in case our real page size is reduced (e.g. because
// we're drawing to a print preview memory DC)
int pageWidth, pageHeight;
int w, h;
dc->GetSize(&w, &h);
GetPageSizePixels(&pageWidth, &pageHeight);
// If printer pageWidth == current DC width, then this doesn't change. But w
// might be the preview bitmap width, so scale down.
float overallScale = scale * (float)(w/(float)pageWidth);
dc->SetUserScale(overallScale, overallScale);
// Calculate conversion factor for converting millimetres into logical
// units. There are approx. 25.4 mm to the inch. There are ppi device units
// to the inch. Therefore 1 mm corresponds to ppi/25.4 device units. We also
// divide by the screen-to-printer scaling factor, because we need to
// unscale to pass logical units to DrawLine.
// Draw 50 mm by 50 mm L shape
float logUnitsFactor = (float)(ppiPrinterX/(scale*25.4));
float logUnits = (float)(50*logUnitsFactor);
dc->SetPen(* wxBLACK_PEN);
dc->DrawLine(50, 250, (long)(50.0 + logUnits), 250);
dc->DrawLine(50, 250, 50, (long)(250.0 + logUnits));
dc->SetBackgroundMode(wxTRANSPARENT);
dc->SetBrush(*wxTRANSPARENT_BRUSH);
{ // GetTextExtent demo:
wxString words[7] = { wxT("This "), wxT("is "), wxT("GetTextExtent "),
wxT("testing "), wxT("string. "), wxT("Enjoy "), wxT("it!") };
wxCoord w, h;
long x = 200, y= 250;
wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL);
dc->SetFont(fnt);
for (int i = 0; i < 7; i++)
{
wxString word = words[i];
word.Remove( word.Len()-1, 1 );
dc->GetTextExtent(word, &w, &h);
dc->DrawRectangle(x, y, w, h);
dc->GetTextExtent(words[i], &w, &h);
dc->DrawText(words[i], x, y);
x += w;
}
}
dc->SetFont(wxGetApp().GetTestFont());
dc->DrawText(wxT("Some test text"), 200, 300 );
// TESTING
int leftMargin = 20;
int rightMargin = 20;
int topMargin = 20;
int bottomMargin = 20;
int pageWidthMM, pageHeightMM;
GetPageSizeMM(&pageWidthMM, &pageHeightMM);
float leftMarginLogical = (float)(logUnitsFactor*leftMargin);
float topMarginLogical = (float)(logUnitsFactor*topMargin);
float bottomMarginLogical = (float)(logUnitsFactor*(pageHeightMM - bottomMargin));
float rightMarginLogical = (float)(logUnitsFactor*(pageWidthMM - rightMargin));
dc->SetPen(* wxRED_PEN);
dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical,
(long)rightMarginLogical, (long)topMarginLogical);
dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical,
(long)rightMarginLogical, (long)bottomMarginLogical);
WritePageHeader(this, dc, wxT("A header"), logUnitsFactor);
}
void
TrussPrintout::OnPreparePrinting() {
int page_width, page_height;
int current_page_y = 0;
GetPageSizePixels(&page_width, &page_height);
wxDC *dc = GetDC();
int printer_x, printer_y, screen_x, screen_y;
GetPPIPrinter(&printer_x, &printer_y);
GetPPIScreen(&screen_x, &screen_y);
float scale = printer_x / (float)screen_x;
// Use a 12pt font. For some reason wxFont doesn't use real points, so
// we still have to scale it.
wxFont &font = *wxTheFontList->FindOrCreateFont(
12 * scale, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL,
wxFONTWEIGHT_NORMAL
);
dc->SetFont(font);
// Margins:
int ml, mt, mr, mb;
int widthmm, heightmm;
GetPageSizeMM(&widthmm, &heightmm);
double one_mm_px = page_width / (double)widthmm;
wxPoint margintl = page_setup_dialog_data->GetMarginTopLeft();
wxPoint marginbr = page_setup_dialog_data->GetMarginBottomRight();
ml = margintl.x * one_mm_px;
mt = margintl.y * one_mm_px;
mr = marginbr.x * one_mm_px;
mb = marginbr.y * one_mm_px;
page_height -= mt + mb;
page_width -= ml + mr;
for (int i = 0; i < printitems.size(); ++i) {
if (printitems[i]->isbreak()) {
PageBreak *pb = static_cast<PageBreak *>(printitems[i]);
// Add room for the page header/title.
current_page_y = get_text_height(*dc, pb->header);
pages.push_back(Page(pb->header, ml, mt, mr, mb));
delete pb;
} else {
Truss *truss = static_cast<TrussContainer *>(printitems[i])->truss;
int truss_height_px = truss->getHeight() * page_width
/ (60.0 * 12.0);
int total_height = truss_height_px
+ get_text_height(*dc, truss->gettext());
if (!truss->getnotes().empty()) {
total_height += get_text_height(*dc, truss->getnotes());
// Add the 1/2 line padding in between title and notes
total_height += get_text_height(*dc, wxT("X")) / 2;
}
if (current_page_y + total_height > page_height) {
current_page_y = get_text_height(*dc, "continuation...");
pages.push_back(Page("continuation...", ml, mt, mr, mb));
}
pages.back().add(truss);
current_page_y += total_height;
// Add 3 blank lines of padding before the next truss.
current_page_y += get_text_height(*dc, wxT("X")) * 3;
delete static_cast<TrussContainer *>(printitems[i]);
}
}
printitems.clear();
}
void wxHtmlPrintout::OnPreparePrinting()
{
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;
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
wxUnusedVar(ppiPrinterX);
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
wxUnusedVar(ppiScreenX);
wxDisplaySize(&scr_w, &scr_h);
GetDC()->GetSize(&dc_w, &dc_h);
GetDC()->SetUserScale((double)dc_w / (double)pageWidth,
(double)dc_h / (double)pageHeight);
/* 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);
const int printAreaW = int(ppmm_h * (mm_w - m_MarginLeft - m_MarginRight));
int printAreaH = int(ppmm_v * (mm_h - m_MarginTop - m_MarginBottom));
if ( m_HeaderHeight )
printAreaH -= int(m_HeaderHeight + m_MarginSpace * ppmm_v);
if ( m_FooterHeight )
printAreaH -= int(m_FooterHeight + m_MarginSpace * ppmm_v);
m_Renderer->SetSize(printAreaW, printAreaH);
m_Renderer->SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
if ( CheckFit(wxSize(printAreaW, printAreaH),
wxSize(m_Renderer->GetTotalWidth(),
m_Renderer->GetTotalHeight())) )
{
// do paginate the document
CountPages();
}
//else: if we don't call CountPages() m_PageBreaks remains empty and our
// GetPageInfo() will return 0 as max page and so nothing will be
// printed
}
void RawDataVisualizePrintout::DrawPageOne(wxDC *dc)
{
// You might use THIS code if you were scaling
// graphics of known size to fit on the page.
// We know the graphic is 200x200. If we didn't know this,
// we'd need to calculate it.
/* float maxX = 1200;
float maxY = 915;
// Let's have at least 50 device units margin
float marginX = 50;
float marginY = 50;
// Add the margin to the graphic size
maxX += (2*marginX);
maxY += (2*marginY);
// Get the size of the DC in pixels
int w, h;
dc->GetSize(&w, &h);
// Calculate a suitable scaling factor
float scaleX=(float)(w/maxX);
float scaleY=(float)(h/maxY);
// Use x or y scaling factor, whichever fits on the DC
float actualScale = wxMin(scaleX,scaleY);
// Calculate the position on the DC for centring the graphic
float posX = (float)((w - (200*actualScale))/2.0);
float posY = (float)((h - (200*actualScale))/2.0);
// Set the scale and origin
dc->SetUserScale(actualScale, actualScale);
dc->SetDeviceOrigin( (long)posX, (long)posY ); */
// Get the logical pixels per inch of screen and printer
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
// This scales the DC so that the printout roughly represents the
// the screen scaling. The text point size _should_ be the right size
// but in fact is too small for some reason. This is a detail that will
// need to be addressed at some point but can be fudged for the
// moment.
float scale = 1.0; //(float)((float)ppiPrinterX/(float)ppiScreenX);
// Now we have to check in case our real page size is reduced
// (e.g. because we're drawing to a print preview memory DC)
int pageWidth, pageHeight;
int w, h;
dc->GetSize(&w, &h);
GetPageSizePixels(&pageWidth, &pageHeight);
// If printer pageWidth == current DC width, then this doesn't
// change. But w might be the preview bitmap width, so scale down.
float overallScale = scale * ((float)w/(float)pageWidth);
dc->SetUserScale(overallScale, overallScale);
wxPrintf(_T("%d %d\n"),w,h);
wxPrintf(_T("%d %d\n"),pageWidth, pageHeight);
wxPrintf(_T("%d %d\n"),ppiScreenX, ppiScreenY);
wxPrintf(_T("%d %d\n"),ppiPrinterX, ppiPrinterY);
if (frame->currentplot == 1)
frame->DrawRawBoxplot(*dc);
else if (frame->currentplot == 2)
frame->DrawRawDensityPlot(*dc);
}
//------------------------------------------------------------------------------
// void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
//------------------------------------------------------------------------------
void EditorPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom,
int *selPageTo)
{
#ifdef DEBUG_PRINTOUT
MessageInterface::ShowMessage("EditorPrintout::GetPageInfo() entered\n");
#endif
// initialize values
*minPage = 0;
*maxPage = 0;
*selPageFrom = 0;
*selPageTo = 0;
// scale DC if possible
wxDC *dc = GetDC();
if(!dc)
return;
PrintScaling(dc);
// get print page informations and convert to printer pixels
wxSize ppiScr;
GetPPIScreen(&ppiScr.x, &ppiScr.y);
wxSize page = globalPageSetupData->GetPaperSize();
page.x = static_cast<int>(page.x * ppiScr.x / 25.4);
page.y = static_cast<int>(page.y * ppiScr.y / 25.4);
mPageRect = wxRect(0, 0, page.x, page.y);
// get margins informations and convert to printer pixels
wxPoint pt = globalPageSetupData->GetMarginTopLeft();
int left = pt.x;
int top = pt.y;
pt = globalPageSetupData->GetMarginBottomRight();
int right = pt.x;
int bottom = pt.y;
top = static_cast<int>(top * ppiScr.y / 25.4);
bottom = static_cast<int>(bottom * ppiScr.y / 25.4);
left = static_cast<int>(left * ppiScr.x / 25.4);
right = static_cast<int>(right * ppiScr.x / 25.4);
mPrintRect = wxRect(left, top,
page.x -(left + right), page.y -(top + bottom));
// count pages
//while (HasPage(*maxPage)) <== causing infinite loop (loj)
if (HasPage(*maxPage))
{
mPagePrinted =
mEditor->FormatRange(0, mPagePrinted, mEditor->GetLength(),
dc, dc, mPrintRect, mPageRect);
#ifdef DEBUG_PRINTOUT
MessageInterface::ShowMessage(" mPagePrinted=%d\n", mPagePrinted);
#endif
*maxPage += 1;
}
if(*maxPage > 0)
*minPage = 1;
*selPageFrom = *minPage;
*selPageTo = *maxPage;
#ifdef DEBUG_PRINTOUT
MessageInterface::ShowMessage("EditorPrintout::GetPageInfo() exiting\n");
#endif
}
