X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cf509a9038c95c541f4080f2592924e82577af3f..260020e39271329f71d1ef7912e3dc8216a2e924:/src/gtk/print.cpp diff --git a/src/gtk/print.cpp b/src/gtk/print.cpp index d52518e89e..1da779765f 100644 --- a/src/gtk/print.cpp +++ b/src/gtk/print.cpp @@ -26,6 +26,7 @@ #include "wx/math.h" #include "wx/image.h" #include "wx/module.h" +#include "wx/crt.h" #endif #include "wx/fontutil.h" @@ -60,7 +61,7 @@ static wxCairoLibrary* gs_cairo = NULL; class wxGtkPrintModule: public wxModule { public: - wxGtkPrintModule() + wxGtkPrintModule() { #if wxUSE_LIBGNOMEPRINT // This module must be initialized AFTER gnomeprint's one @@ -79,13 +80,12 @@ bool wxGtkPrintModule::OnInit() gs_cairo = wxCairoLibrary::Get(); if (gs_cairo && gtk_check_version(2,10,0) == NULL) wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory ); - return true; } void wxGtkPrintModule::OnExit() { - delete gs_cairo; + gs_cairo = NULL; } IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule) @@ -184,12 +184,11 @@ wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData() //---------------------------------------------------------------------------- // We use it to pass useful objets to gtk printing callback functions. -typedef struct +struct wxPrinterToGtkData { wxGtkPrinter * printer; wxPrintout * printout; -} -wxPrinterToGtkData; +}; extern "C" { @@ -553,11 +552,11 @@ void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config ) GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings) { GtkPageSetup* page_setup = gtk_page_setup_new(); - gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings)); + gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings)); - GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings); - if (paper_size != NULL) - gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size); + GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings); + if (paper_size != NULL) + gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size); return page_setup; } @@ -566,7 +565,7 @@ GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* s void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup) { gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup)); - gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup)); + gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup)); } //---------------------------------------------------------------------------- @@ -638,7 +637,7 @@ int wxGtkPrintDialog::ShowModal() // If the settings are OK, we restore it. if (settings != NULL) gtk_print_operation_set_print_settings (native->GetPrintJob(), settings); - gtk_print_operation_set_default_page_setup (native->GetPrintJob(), native->GetPageSetupFromSettings(settings)); + gtk_print_operation_set_default_page_setup (native->GetPrintJob(), native->GetPageSetupFromSettings(settings)); // Show the dialog if needed. GError* gError = NULL; @@ -670,21 +669,29 @@ int wxGtkPrintDialog::ShowModal() case GTK_PRINT_PAGES_CURRENT: m_printDialogData.SetSelection( true ); break; - case GTK_PRINT_PAGES_ALL: - m_printDialogData.SetAllPages( true ); - m_printDialogData.SetFromPage( 0 ); - m_printDialogData.SetToPage( 9999 ); - break; case GTK_PRINT_PAGES_RANGES: - default: - // wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others. + {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others. // For example, the user enters "1-3;5-7" in the dialog: pages 1-3 and 5-7 will be correctly printed when the user // will hit "OK" button. However we can only save 1-3 in the print data. gint num_ranges = 0; GtkPageRange* range; range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges); - m_printDialogData.SetFromPage( range[0].start ); - m_printDialogData.SetToPage( range[0].end ); + if (num_ranges >= 1) + { + m_printDialogData.SetFromPage( range[0].start ); + m_printDialogData.SetToPage( range[0].end ); + } + else { + m_printDialogData.SetAllPages( true ); + m_printDialogData.SetFromPage( 0 ); + m_printDialogData.SetToPage( 9999 ); + } + break;} + case GTK_PRINT_PAGES_ALL: + default: + m_printDialogData.SetAllPages( true ); + m_printDialogData.SetFromPage( 0 ); + m_printDialogData.SetToPage( 9999 ); break; } @@ -867,7 +874,8 @@ void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation SetPrintContext(context); native->SetPrintContext( context ); - m_dc = new wxGtkPrintDC( printdata ); + wxGtkPrintDC *printDC = new wxGtkPrintDC( printdata ); + m_dc = printDC; if (!m_dc->IsOk()) { @@ -883,8 +891,8 @@ void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()), (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) ); - printout->SetPPIPrinter( wxGtkPrintDC::GetResolution(), - wxGtkPrintDC::GetResolution() ); + printout->SetPPIPrinter( printDC->GetResolution(), + printDC->GetResolution() ); printout->SetDC(m_dc); @@ -971,8 +979,15 @@ void wxGtkPrinter::DrawPage(wxPrintout *printout, GtkPrintOperation *operation, GtkPageRange* range; range = gtk_print_settings_get_page_ranges (settings, &num_ranges); // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint. - startPage = range[0].start + 1; - endPage = range[0].end + 1; + if (num_ranges >= 1) + { + startPage = range[0].start + 1; + endPage = range[0].end + 1; + } + else { + startPage = minPage; + endPage = maxPage; + } break;} case GTK_PRINT_PAGES_ALL: default: @@ -1042,10 +1057,12 @@ bool wxGtkPrinter::Setup( wxWindow *parent ) // wxGtkPrintDC //----------------------------------------------------------------------------- -IMPLEMENT_CLASS(wxGtkPrintDC, wxDC) +#define XLOG2DEV(x) ((double)(LogicalToDeviceX(x)) * m_DEV2PS) +#define XLOG2DEVREL(x) ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS) +#define YLOG2DEV(x) ((double)(LogicalToDeviceY(x)) * m_DEV2PS) +#define YLOG2DEVREL(x) ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS) -// Define the default resolution for this DC. This resolution is just used for positioning as the cairo context is scalable. -int wxGtkPrintDC::ms_resolution = 72; +IMPLEMENT_CLASS(wxGtkPrintDC, wxDC) wxGtkPrintDC::wxGtkPrintDC( const wxPrintData& data ) { @@ -1056,7 +1073,16 @@ wxGtkPrintDC::wxGtkPrintDC( const wxPrintData& data ) m_gpc = native->GetPrintContext(); - ms_resolution = (int) gtk_print_context_get_dpi_x(m_gpc); + // RR: what does this do? + m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc ); + if (m_resolution < 0) + m_resolution = (1 << (m_resolution+4)) *150; + + wxPrintf( "resolution %d\n", m_resolution ); + + m_PS2DEV = (double)m_resolution / 72.0; + m_DEV2PS = 72.0 / (double)m_resolution; + m_context = gtk_print_context_create_pango_context( m_gpc ); m_layout = gtk_print_context_create_pango_layout ( m_gpc ); m_fontdesc = pango_font_description_from_string( "Sans 12" ); @@ -1070,7 +1096,13 @@ wxGtkPrintDC::wxGtkPrintDC( const wxPrintData& data ) m_signX = 1; // default x-axis left to right. m_signY = 1; // default y-axis bottom up -> top down. - GetSize( &m_deviceOffsetX, &m_deviceOffsetY ); + // By default the origine of cairo contexte is in the upper left corner of the printable area. + // We need to translate it so that it is in the upper left corner of the paper (i.e. doesn't care about margins) + GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc ); + gdouble ml, mt; + ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS); + mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS); + gs_cairo->cairo_translate(m_cairo, -ml, -mt); } wxGtkPrintDC::~wxGtkPrintDC() @@ -1081,17 +1113,7 @@ wxGtkPrintDC::~wxGtkPrintDC() bool wxGtkPrintDC::IsOk() const { - return true; -} - -void wxGtkPrintDC::ComputeScaleAndOrigin() -{ - // Called when the scale and/or origin of the context has to be changed. - m_scaleX = m_logicalScaleX * m_userScaleX; - m_scaleY = m_logicalScaleY * m_userScaleY; - - gs_cairo->cairo_translate(m_cairo, m_deviceOriginX, m_deviceOriginY); - gs_cairo->cairo_scale(m_cairo, m_scaleX, m_scaleY ); + return (m_gpc != NULL); } bool wxGtkPrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style ) @@ -1132,13 +1154,13 @@ void wxGtkPrintDC::DoGradientFillConcentric(const wxRect& rect, const wxColour& // Create a pattern with the gradient. cairo_pattern_t* gradient; - gradient = gs_cairo->cairo_pattern_create_radial (LogicalToDeviceX(xC+xR), LogicalToDeviceY(yC+yR), 0, LogicalToDeviceX(xC+xR), LogicalToDeviceY(yC+yR), radius); + gradient = gs_cairo->cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS ); gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS); gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS); // Fill the rectangle with this pattern. gs_cairo->cairo_set_source(m_cairo, gradient); - gs_cairo->cairo_rectangle (m_cairo, LogicalToDeviceX(xR), LogicalToDeviceY(yR), LogicalToDeviceXRel(w), LogicalToDeviceYRel(h) ); + gs_cairo->cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) ); gs_cairo->cairo_fill(m_cairo); gs_cairo->cairo_pattern_destroy(gradient); @@ -1174,7 +1196,7 @@ void wxGtkPrintDC::DoGradientFillLinear(const wxRect& rect, const wxColour& init // Create a pattern with the gradient. cairo_pattern_t* gradient; - gradient = gs_cairo->cairo_pattern_create_linear (LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceX(x+w), LogicalToDeviceY(y)); + gradient = gs_cairo->cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y)); if (nDirection == wxWEST) { @@ -1188,7 +1210,7 @@ void wxGtkPrintDC::DoGradientFillLinear(const wxRect& rect, const wxColour& init // Fill the rectangle with this pattern. gs_cairo->cairo_set_source(m_cairo, gradient); - gs_cairo->cairo_rectangle (m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(w), LogicalToDeviceYRel(h) ); + gs_cairo->cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) ); gs_cairo->cairo_fill(m_cairo); gs_cairo->cairo_pattern_destroy(gradient); @@ -1209,8 +1231,8 @@ void wxGtkPrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) if (m_pen.GetStyle() == wxTRANSPARENT) return; SetPen( m_pen ); - gs_cairo->cairo_move_to ( m_cairo, LogicalToDeviceX(x1), LogicalToDeviceY(y1) ); - gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX(x2), LogicalToDeviceY(y2) ); + gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) ); + gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) ); gs_cairo->cairo_stroke ( m_cairo ); CalcBoundingBox( x1, y1 ); @@ -1219,24 +1241,19 @@ void wxGtkPrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) void wxGtkPrintDC::DoCrossHair(wxCoord x, wxCoord y) { - int *w, *h; - w = new int; - h = new int; - DoGetSize(w, h); + int w, h; + DoGetSize(&w, &h); SetPen(m_pen); - gs_cairo->cairo_move_to (m_cairo, LogicalToDeviceX(x), 0); - gs_cairo->cairo_line_to (m_cairo, LogicalToDeviceX(x), *h); - gs_cairo->cairo_move_to (m_cairo, 0, LogicalToDeviceY(y)); - gs_cairo->cairo_line_to (m_cairo, *w, LogicalToDeviceY(y)); + gs_cairo->cairo_move_to (m_cairo, XLOG2DEV(x), 0); + gs_cairo->cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h)); + gs_cairo->cairo_move_to (m_cairo, 0, YLOG2DEV(y)); + gs_cairo->cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y)); gs_cairo->cairo_stroke (m_cairo); CalcBoundingBox( 0, 0 ); - CalcBoundingBox( *w, *h ); - - delete w; - delete h; + CalcBoundingBox( w, h ); } void wxGtkPrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc) @@ -1274,8 +1291,10 @@ void wxGtkPrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord alpha1 *= DEG2RAD; alpha2 *= DEG2RAD; - gs_cairo->cairo_arc_negative ( m_cairo, LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel((int)radius), alpha1, alpha2); - gs_cairo->cairo_line_to(m_cairo, LogicalToDeviceX(xc), LogicalToDeviceY(yc)); + gs_cairo->cairo_new_path(m_cairo); + + gs_cairo->cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2); + gs_cairo->cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc)); gs_cairo->cairo_close_path (m_cairo); SetBrush( m_brush ); @@ -1293,11 +1312,13 @@ void wxGtkPrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,dou { gs_cairo->cairo_save( m_cairo ); - gs_cairo->cairo_translate( m_cairo, LogicalToDeviceX((wxCoord) (x + w / 2.)), LogicalToDeviceX((wxCoord) (y + h / 2.)) ); - double scale = (double)LogicalToDeviceYRel(h) / (double) LogicalToDeviceXRel(w); + gs_cairo->cairo_new_path(m_cairo); + + gs_cairo->cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) ); + double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w); gs_cairo->cairo_scale( m_cairo, 1.0, scale ); - gs_cairo->cairo_arc_negative ( m_cairo, 0, 0, LogicalToDeviceXRel(w/2), -sa*DEG2RAD, -ea*DEG2RAD); + gs_cairo->cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD); SetPen (m_pen); gs_cairo->cairo_stroke_preserve( m_cairo ); @@ -1319,8 +1340,8 @@ void wxGtkPrintDC::DoDrawPoint(wxCoord x, wxCoord y) SetPen( m_pen ); - gs_cairo->cairo_move_to ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) ); - gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) ); + gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) ); + gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) ); gs_cairo->cairo_stroke ( m_cairo ); CalcBoundingBox( x, y ); @@ -1338,10 +1359,10 @@ void wxGtkPrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord for ( i =0; icairo_move_to ( m_cairo, LogicalToDeviceX(points[0].x+xoffset), LogicalToDeviceY(points[0].y+yoffset) ); + gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) ); for (i = 1; i < n; i++) - gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset) ); + gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) ); gs_cairo->cairo_stroke ( m_cairo); } @@ -1359,13 +1380,13 @@ void wxGtkPrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoo int x = points[0].x + xoffset; int y = points[0].y + yoffset; gs_cairo->cairo_new_path(m_cairo); - gs_cairo->cairo_move_to( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) ); + gs_cairo->cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) ); int i; for (i = 1; i < n; i++) { int x = points[i].x + xoffset; int y = points[i].y + yoffset; - gs_cairo->cairo_line_to( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) ); + gs_cairo->cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) ); } gs_cairo->cairo_close_path(m_cairo); @@ -1387,7 +1408,8 @@ void wxGtkPrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoo void wxGtkPrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { - gs_cairo->cairo_rectangle ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(width), LogicalToDeviceYRel(height)); + gs_cairo->cairo_new_path(m_cairo); + gs_cairo->cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height)); SetBrush( m_brush ); gs_cairo->cairo_fill_preserve( m_cairo ); @@ -1411,27 +1433,27 @@ void wxGtkPrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, w wxCoord rad = (wxCoord) radius; gs_cairo->cairo_new_path(m_cairo); - gs_cairo->cairo_move_to(m_cairo,LogicalToDeviceX(x + rad),LogicalToDeviceY(y)); + gs_cairo->cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y)); gs_cairo->cairo_curve_to(m_cairo, - LogicalToDeviceX(x + rad),LogicalToDeviceY(y), - LogicalToDeviceX(x),LogicalToDeviceY(y), - LogicalToDeviceX(x),LogicalToDeviceY(y + rad)); - gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x),LogicalToDeviceY(y + height - rad)); + XLOG2DEV(x + rad),YLOG2DEV(y), + XLOG2DEV(x),YLOG2DEV(y), + XLOG2DEV(x),YLOG2DEV(y + rad)); + gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad)); gs_cairo->cairo_curve_to(m_cairo, - LogicalToDeviceX(x),LogicalToDeviceY(y + height - rad), - LogicalToDeviceX(x),LogicalToDeviceY(y + height), - LogicalToDeviceX(x + rad),LogicalToDeviceY(y + height)); - gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y + height)); + XLOG2DEV(x),YLOG2DEV(y + height - rad), + XLOG2DEV(x),YLOG2DEV(y + height), + XLOG2DEV(x + rad),YLOG2DEV(y + height)); + gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height)); gs_cairo->cairo_curve_to(m_cairo, - LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y + height), - LogicalToDeviceX(x + width),LogicalToDeviceY(y + height), - LogicalToDeviceX(x + width),LogicalToDeviceY(y + height - rad)); - gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x + width),LogicalToDeviceY(y + rad)); + XLOG2DEV(x + width - rad),YLOG2DEV(y + height), + XLOG2DEV(x + width),YLOG2DEV(y + height), + XLOG2DEV(x + width),YLOG2DEV(y + height - rad)); + gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad)); gs_cairo->cairo_curve_to(m_cairo, - LogicalToDeviceX(x + width),LogicalToDeviceY(y + rad), - LogicalToDeviceX(x + width),LogicalToDeviceY(y), - LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y)); - gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x + rad),LogicalToDeviceY(y)); + XLOG2DEV(x + width),YLOG2DEV(y + rad), + XLOG2DEV(x + width),YLOG2DEV(y), + XLOG2DEV(x + width - rad),YLOG2DEV(y)); + gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y)); gs_cairo->cairo_close_path(m_cairo); SetBrush(m_brush); @@ -1448,9 +1470,11 @@ void wxGtkPrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord he { gs_cairo->cairo_save (m_cairo); - gs_cairo->cairo_translate (m_cairo, LogicalToDeviceX((wxCoord) (x + width / 2.)), LogicalToDeviceY((wxCoord) (y + height / 2.))); - gs_cairo->cairo_scale(m_cairo, 1, (double)LogicalToDeviceYRel(height)/(double)LogicalToDeviceXRel(width)); - gs_cairo->cairo_arc ( m_cairo, 0, 0, LogicalToDeviceXRel(width/2), 0, 2 * M_PI); + gs_cairo->cairo_new_path(m_cairo); + + gs_cairo->cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.))); + gs_cairo->cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width)); + gs_cairo->cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI); SetBrush( m_brush ); gs_cairo->cairo_fill_preserve( m_cairo ); @@ -1487,8 +1511,8 @@ void wxGtkPrintDC::DoDrawSpline(wxList *points) (double)(y1 + d) / 2; gs_cairo->cairo_new_path( m_cairo ); - gs_cairo->cairo_move_to( m_cairo, LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1) ); - gs_cairo->cairo_line_to( m_cairo, LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) ); + gs_cairo->cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) ); + gs_cairo->cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) ); CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 ); CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 ); @@ -1508,9 +1532,9 @@ void wxGtkPrintDC::DoDrawSpline(wxList *points) y3 = (double)(y2 + d) / 2; gs_cairo->cairo_curve_to(m_cairo, - LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1), - LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2), - LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) ); + XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1), + XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2), + XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) ); CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 ); CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 ); @@ -1518,7 +1542,7 @@ void wxGtkPrintDC::DoDrawSpline(wxList *points) node = node->GetNext(); } - gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) ); + gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) ); gs_cairo->cairo_stroke( m_cairo ); } @@ -1553,8 +1577,8 @@ void wxGtkPrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, b wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrintDC::DoDrawBitmap")); cairo_surface_t* surface; - x = LogicalToDeviceX(x); - y = LogicalToDeviceY(y); + x = wxCoord(XLOG2DEV(x)); + y = wxCoord(YLOG2DEV(y)); int bw = bitmap.GetWidth(); int bh = bitmap.GetHeight(); wxBitmap bmpSource = bitmap; // we need a non-const instance. @@ -1585,111 +1609,10 @@ void wxGtkPrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, b // blue. The 32-bit quantities are stored native-endian. // Pre-multiplied alpha is used. unsigned char alpha = p.Alpha(); - if (alpha == 0) - *data = 0; - else - *data = ( alpha/255 << 24 - | (p.Red() * alpha/255) << 16 - | (p.Green() * alpha/255) << 8 - | (p.Blue() * alpha/255) ); - ++data; - ++p; - } - p = rowStart; - p.OffsetY(pixData, 1); - } - } - else // no alpha - { - surface = gs_cairo->cairo_image_surface_create_for_data( - buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4); - wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh)); - wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data.")); - wxNativePixelData::Iterator p(pixData); - int y, x; - for (y=0; ycairo_save(m_cairo); - // In case we're scaling the image by using a width and height different - // than the bitmap's size create a pattern transformation on the surface and - // draw the transformed pattern. - cairo_pattern_t* pattern = gs_cairo->cairo_pattern_create_for_surface(surface); - - // Prepare to draw the image. - gs_cairo->cairo_translate(m_cairo, x, y); - gs_cairo->cairo_set_source(m_cairo, pattern); - // Use the original size here since the context is scaled already. - gs_cairo->cairo_rectangle(m_cairo, 0, 0, bw, bh); - // Fill the rectangle using the pattern. - gs_cairo->cairo_fill(m_cairo); - - // Clean up. - gs_cairo->cairo_pattern_destroy(pattern); - gs_cairo->cairo_surface_destroy(surface); - delete [] buffer; - - CalcBoundingBox(0,0); - CalcBoundingBox(bw,bh); + if (!bmpSource.HasAlpha() && mask) + alpha = 255; - gs_cairo->cairo_restore(m_cairo); -} - -// wxGtkPrintDC has a constant resolution of 72dpi. If we want an higher resolution for printing -// an image, the scaling has to be done by cairo. -void wxGtkPrintDC::DoDrawScaledBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, wxCoord w, wxCoord h, bool useMask, int quality ) -{ - wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrintDC::DoDrawBitmap")); - - cairo_surface_t* surface; - int bw = bitmap.GetWidth(); - int bh = bitmap.GetHeight(); - x = LogicalToDeviceX(x); - y = LogicalToDeviceY(y); - w = LogicalToDeviceXRel(w); - h = LogicalToDeviceYRel(h); - wxBitmap bmpSource = bitmap; // we need a non-const instance. - unsigned char* buffer = new unsigned char[bw*bh*4]; - wxUint32* data = (wxUint32*)buffer; - - // Create a surface object and copy the bitmap pixel data to it. If the image has alpha (or a mask represented as alpha) - // then we'll use a different format and iterator than if it doesn't. - if (bmpSource.HasAlpha() || bmpSource.GetMask()) - { - surface = gs_cairo->cairo_image_surface_create_for_data( - buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4); - wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh)); - wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data.")); - - wxAlphaPixelData::Iterator p(pixData); - int y, x; - for (y=0; ycairo_translate(m_cairo, x, y); - // In case we're scaling the image by using a width and height different - // than the bitmap's size create a pattern transformation on the surface and - // draw the transformed pattern. - cairo_filter_t filter; - if (quality == wxIMAGE_QUALITY_HIGH) filter = CAIRO_FILTER_BILINEAR; - else filter = CAIRO_FILTER_GOOD; - cairo_pattern_t* pattern = gs_cairo->cairo_pattern_create_for_surface(surface); - gs_cairo->cairo_pattern_set_filter(pattern,filter); - wxDouble scaleX = (wxDouble) w / (wxDouble) bw; - wxDouble scaleY = (wxDouble) h / (wxDouble) bh; - gs_cairo->cairo_scale(m_cairo, scaleX, scaleY); + // Scale the image + cairo_filter_t filter = CAIRO_FILTER_BILINEAR; + cairo_pattern_t* pattern = cairo_pattern_create_for_surface(surface); + cairo_pattern_set_filter(pattern,filter); + wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw; + wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh; + cairo_scale(m_cairo, scaleX, scaleY); gs_cairo->cairo_set_source(m_cairo, pattern); // Use the original size here since the context is scaled already. @@ -1773,8 +1692,8 @@ void wxGtkPrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y ) void wxGtkPrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) { - x = LogicalToDeviceX(x); - y = LogicalToDeviceY(y); + double xx = XLOG2DEV(x); + double yy = YLOG2DEV(y); angle = -angle; @@ -1826,22 +1745,16 @@ void wxGtkPrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, int w,h; - if (fabs(m_scaleY - 1.0) > 0.00001) - { - // If there is a user or actually any scale applied to the device context, scale the font. - - // Scale font description. - gint oldSize = pango_font_description_get_size( m_fontdesc ); - double size = oldSize; - size = size * m_scaleY; - pango_font_description_set_size( m_fontdesc, (gint)size ); + // Scale font description. + gint oldSize = pango_font_description_get_size( m_fontdesc ); + double size = oldSize; + size = size * m_scaleX; + pango_font_description_set_size( m_fontdesc, (gint)size ); - // Actually apply scaled font. - pango_layout_set_font_description( m_layout, m_fontdesc ); + // Actually apply scaled font. + pango_layout_set_font_description( m_layout, m_fontdesc ); - pango_layout_get_pixel_size( m_layout, &w, &h ); - w = LogicalToDeviceXRel(w); - h = LogicalToDeviceYRel(h); + pango_layout_get_pixel_size( m_layout, &w, &h ); if ( m_backgroundMode == wxSOLID ) { @@ -1856,77 +1769,26 @@ void wxGtkPrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double alphaPS = (double)(alpha) / 255.0; gs_cairo->cairo_save(m_cairo); - gs_cairo->cairo_translate(m_cairo, x, y); + gs_cairo->cairo_translate(m_cairo, xx, yy); gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS ); gs_cairo->cairo_rotate(m_cairo,angle*DEG2RAD); - gs_cairo->cairo_rectangle(m_cairo, 0, 0, w, h); + gs_cairo->cairo_rectangle(m_cairo, 0, 0, w, h); // still in cairo units gs_cairo->cairo_fill(m_cairo); gs_cairo->cairo_restore(m_cairo); } - // Draw layout. - gs_cairo->cairo_move_to (m_cairo, x, y); - if (fabs(angle) > 0.00001) - { - gs_cairo->cairo_save( m_cairo ); - gs_cairo->cairo_rotate( m_cairo, angle*DEG2RAD ); - gs_cairo->pango_cairo_update_layout (m_cairo, m_layout); - gs_cairo->pango_cairo_show_layout (m_cairo, m_layout); - gs_cairo->cairo_restore( m_cairo ); - } - else - { - gs_cairo->pango_cairo_update_layout (m_cairo, m_layout); - gs_cairo->pango_cairo_show_layout (m_cairo, m_layout); - } - - // Reset unscaled size. - pango_font_description_set_size( m_fontdesc, oldSize ); + // Draw layout. + gs_cairo->cairo_move_to (m_cairo, xx, yy); - // Actually apply unscaled font. - pango_layout_set_font_description( m_layout, m_fontdesc ); - } - else - { - pango_layout_get_pixel_size( m_layout, &w, &h ); - - if ( m_backgroundMode == wxSOLID ) - { - unsigned char red = m_textBackgroundColour.Red(); - unsigned char blue = m_textBackgroundColour.Blue(); - unsigned char green = m_textBackgroundColour.Green(); - unsigned char alpha = m_textBackgroundColour.Alpha(); + gs_cairo->cairo_save( m_cairo ); - double redPS = (double)(red) / 255.0; - double bluePS = (double)(blue) / 255.0; - double greenPS = (double)(green) / 255.0; - double alphaPS = (double)(alpha) / 255.0; + if (fabs(angle) > 0.00001) + gs_cairo->cairo_rotate( m_cairo, angle*DEG2RAD ); - gs_cairo->cairo_save(m_cairo); - gs_cairo->cairo_translate(m_cairo, x, y); - gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS ); - gs_cairo->cairo_rotate(m_cairo,angle*DEG2RAD); - gs_cairo->cairo_rectangle(m_cairo, 0, 0, w, h); - gs_cairo->cairo_fill(m_cairo); - gs_cairo->cairo_restore(m_cairo); - } + gs_cairo->pango_cairo_update_layout (m_cairo, m_layout); + gs_cairo->pango_cairo_show_layout (m_cairo, m_layout); - // Draw layout. - gs_cairo->cairo_move_to (m_cairo, x, y); - if (fabs(angle) > 0.00001) - { - gs_cairo->cairo_save( m_cairo ); - gs_cairo->cairo_rotate( m_cairo, angle*DEG2RAD ); - gs_cairo->pango_cairo_update_layout (m_cairo, m_layout); - gs_cairo->pango_cairo_show_layout (m_cairo, m_layout); - gs_cairo->cairo_restore( m_cairo ); - } - else - { - gs_cairo->pango_cairo_update_layout (m_cairo, m_layout); - gs_cairo->pango_cairo_show_layout (m_cairo, m_layout); - } - } + gs_cairo->cairo_restore( m_cairo ); if (underlined) { @@ -1934,17 +1796,28 @@ void wxGtkPrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, pango_layout_set_attributes(m_layout, NULL); } - CalcBoundingBox (x,y); + // Reset unscaled size. + pango_font_description_set_size( m_fontdesc, oldSize ); + + // Actually apply unscaled font. + pango_layout_set_font_description( m_layout, m_fontdesc ); + + // Back to device units: + CalcBoundingBox (x, y); CalcBoundingBox (x + w, y + h); } void wxGtkPrintDC::Clear() { +// Clear does nothing for printing, but keep the code +// for later reuse +/* gs_cairo->cairo_save(m_cairo); gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE); SetBrush(m_backgroundBrush); gs_cairo->cairo_paint(m_cairo); gs_cairo->cairo_restore(m_cairo); +*/ } void wxGtkPrintDC::SetFont( const wxFont& font ) @@ -1956,8 +1829,14 @@ void wxGtkPrintDC::SetFont( const wxFont& font ) if (m_fontdesc) pango_font_description_free( m_fontdesc ); - m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description ); + m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description ); // m_fontdesc is now set to device units + + // Scale font description from device units to pango units + gint oldSize = pango_font_description_get_size( m_fontdesc ); + double size = oldSize *m_DEV2PS; // scale to cairo units + pango_font_description_set_size( m_fontdesc, (gint)size ); // apply to description + // Actually apply scaled font. pango_layout_set_font_description( m_layout, m_fontdesc ); } } @@ -1971,7 +1850,7 @@ void wxGtkPrintDC::SetPen( const wxPen& pen ) double width = (double) m_pen.GetWidth(); if (width == 0) width = 0.1; - gs_cairo->cairo_set_line_width( m_cairo, LogicalToDeviceXRel( (wxCoord) (1000 * width )) / 1000.0f ); + gs_cairo->cairo_set_line_width( m_cairo, (width * m_PS2DEV) / m_scaleX ); static const double dotted[] = {2.0, 5.0}; static const double short_dashed[] = {4.0, 4.0}; static const double long_dashed[] = {4.0, 8.0}; @@ -1979,14 +1858,14 @@ void wxGtkPrintDC::SetPen( const wxPen& pen ) switch (m_pen.GetStyle()) { - case wxDOT: gs_cairo->cairo_set_dash( m_cairo, dotted, 1, 0 ); break; - case wxSHORT_DASH: gs_cairo->cairo_set_dash( m_cairo, short_dashed, 1, 0 ); break; - case wxLONG_DASH: gs_cairo->cairo_set_dash( m_cairo, long_dashed, 1, 0 ); break; - case wxDOT_DASH: gs_cairo->cairo_set_dash( m_cairo, dotted_dashed, 3, 0 ); break; + case wxDOT: gs_cairo->cairo_set_dash( m_cairo, dotted, 2, 0 ); break; + case wxSHORT_DASH: gs_cairo->cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break; + case wxLONG_DASH: gs_cairo->cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break; + case wxDOT_DASH: gs_cairo->cairo_set_dash( m_cairo, dotted_dashed, 4, 0 ); break; case wxUSER_DASH: { wxDash *wx_dashes; - int num = m_pen.GetDashes (&wx_dashes) - 1; + int num = m_pen.GetDashes (&wx_dashes); gdouble *g_dashes = g_new( gdouble, num ); int i; for (i = 0; i < num; ++i) @@ -2043,6 +1922,16 @@ void wxGtkPrintDC::SetBrush( const wxBrush& brush ) m_brush = brush; + if (m_brush.GetStyle() == wxTRANSPARENT) + { + gs_cairo->cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 ); + m_currentRed = 0; + m_currentBlue = 0; + m_currentGreen = 0; + m_currentAlpha = 0; + return; + } + // Brush colour. unsigned char red = m_brush.GetColour().Red(); unsigned char blue = m_brush.GetColour().Blue(); @@ -2157,7 +2046,7 @@ void wxGtkPrintDC::SetBackgroundMode(int mode) void wxGtkPrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { - gs_cairo->cairo_rectangle ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(width), LogicalToDeviceYRel(height)); + gs_cairo->cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height)); gs_cairo->cairo_clip(m_cairo); } @@ -2193,7 +2082,7 @@ wxCoord wxGtkPrintDC::GetCharHeight() const int w,h; pango_layout_get_pixel_size( m_layout, &w, &h ); - return DeviceToLogicalYRel(h); + return wxRound( h * m_PS2DEV ); } wxCoord wxGtkPrintDC::GetCharWidth() const @@ -2203,7 +2092,7 @@ wxCoord wxGtkPrintDC::GetCharWidth() const int w,h; pango_layout_get_pixel_size( m_layout, &w, &h ); - return DeviceToLogicalXRel(w); + return wxRound( w * m_PS2DEV ); } void wxGtkPrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height, @@ -2250,15 +2139,16 @@ void wxGtkPrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoo pango_layout_get_pixel_size( m_layout, &w, &h ); if (width) - *width = (wxCoord)(w / m_scaleX); + *width = wxRound( (double)w / m_scaleX * m_PS2DEV ); if (height) - *height = (wxCoord)(h / m_scaleY); + *height = wxRound( (double)h / m_scaleY * m_PS2DEV ); + if (descent) { PangoLayoutIter *iter = pango_layout_get_iter(m_layout); int baseline = pango_layout_iter_get_baseline(iter); pango_layout_iter_free(iter); - *descent = h - PANGO_PIXELS(baseline); + *descent = wxRound( (h - PANGO_PIXELS(baseline)) * m_PS2DEV ); } // Reset unscaled size. @@ -2270,60 +2160,43 @@ void wxGtkPrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoo void wxGtkPrintDC::DoGetSize(int* width, int* height) const { + GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc ); + if (width) - *width = (int) (gtk_print_context_get_width( m_gpc ) + 0.5); + *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * m_PS2DEV ); if (height) - *height = (int) (gtk_print_context_get_height( m_gpc ) + 0.5); + *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * m_PS2DEV ); } void wxGtkPrintDC::DoGetSizeMM(int *width, int *height) const { - // This function takes margins into consideration. - gdouble w = gtk_page_setup_get_page_width( gtk_print_context_get_page_setup( m_gpc ), GTK_UNIT_MM); - gdouble h = gtk_page_setup_get_page_height( gtk_print_context_get_page_setup( m_gpc ), GTK_UNIT_MM); + GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc ); if (width) - *width = (int) (w + 0.5); + *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) ); if (height) - *height = (int) (h + 0.5); + *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) ); } wxSize wxGtkPrintDC::GetPPI() const { - gdouble xDpi = gtk_print_context_get_dpi_x( m_gpc ); - gdouble yDpi = gtk_print_context_get_dpi_y( m_gpc ); - return wxSize((int) xDpi,(int) yDpi); -} - -void wxGtkPrintDC::SetLogicalOrigin( wxCoord x, wxCoord y ) -{ - wxDC::SetLogicalOrigin( x, y ); -} - -void wxGtkPrintDC::SetDeviceOrigin( wxCoord x, wxCoord y ) -{ - wxDC::SetDeviceOrigin( x, y ); + return wxSize( (int)m_resolution, (int)m_resolution ); } void wxGtkPrintDC::SetPrintData(const wxPrintData& data) { m_printData = data; - - if (m_printData.GetOrientation() == wxPORTRAIT) - GetSize( &m_deviceOffsetX, &m_deviceOffsetY ); - else - GetSize( &m_deviceOffsetY, &m_deviceOffsetX ); } void wxGtkPrintDC::SetResolution(int ppi) { // We can't change ppi of the GtkPrintContext. - ms_resolution = ppi; + // TODO: should we really support this? } int wxGtkPrintDC::GetResolution() { - return ms_resolution; + return m_resolution; } // ---------------------------------------------------------------------------- @@ -2382,12 +2255,16 @@ void wxGtkPrintPreview::DetermineScaling() m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()), (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) ); - m_previewPrintout->SetPPIPrinter(wxGtkPrintDC::GetResolution(), wxGtkPrintDC::GetResolution()); + + // TODO !!!!!!!!!!!!!!! + int resolution = 600; + m_previewPrintout->SetPPIPrinter( resolution, resolution ); + // Get width and height in points (1/72th of an inch) wxSize sizeDevUnits(paper->GetSizeDeviceUnits()); - sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGtkPrintDC::GetResolution() / 72.0); - sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGtkPrintDC::GetResolution() / 72.0); + sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)resolution / 72.0); + sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)resolution / 72.0); wxSize sizeTenthsMM(paper->GetSize()); wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10); @@ -2408,7 +2285,7 @@ void wxGtkPrintPreview::DetermineScaling() m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight)); // At 100%, the page should look about page-size on the screen. - m_previewScaleX = (float)0.8 * 72.0 / (float)wxGtkPrintDC::GetResolution(); + m_previewScaleX = 0.8 * 72.0 / (double)resolution; m_previewScaleY = m_previewScaleX; } }