--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/gtk/print.cpp
+// Author: Anthony Bretaudeau
+// Purpose: GTK printing support
+// Created: 2007-08-25
+// RCS-ID: $Id: print.cpp,v 1 2007-08-25 05:44:44 PC Exp $
+// Copyright: (c) 2007 wxWidgets development team
+// Licence: wxWindows Licence
+/////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#if wxUSE_GTKPRINT
+
+#include "wx/gtk/print.h"
+
+#ifndef WX_PRECOMP
+#include "wx/log.h"
+#include "wx/dcmemory.h"
+#include "wx/icon.h"
+#include "wx/math.h"
+#include "wx/image.h"
+#include "wx/module.h"
+#endif
+
+#include "wx/fontutil.h"
+#include "wx/gtk/private.h"
+#include "wx/dynlib.h"
+#include "wx/paper.h"
+#include "wx/rawbmp.h"
+
+#include <gtk/gtk.h>
+#include <gtk/gtkpagesetupunixdialog.h>
+
+#include "wx/link.h"
+wxFORCE_LINK_THIS_MODULE(gtk_print)
+
+#if wxUSE_LIBGNOMEPRINT
+#include "wx/gtk/gnome/gprint.h"
+#endif
+
+// Usefull to convert angles from/to Rad to/from Deg.
+static const double RAD2DEG = 180.0 / M_PI;
+static const double DEG2RAD = M_PI / 180.0;
+
+//----------------------------------------------------------------------------
+// wxGtkPrintModule
+// Initialized when starting the app : if it successfully load the gtk-print framework,
+// it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
+// to postscript if gnomeprint is not available.
+//----------------------------------------------------------------------------
+
+class wxGtkPrintModule: public wxModule
+{
+public:
+ wxGtkPrintModule()
+ {
+#if wxUSE_LIBGNOMEPRINT
+ // This module must be initialized AFTER gnomeprint's one
+ AddDependency(CLASSINFO(wxGnomePrintModule));
+#endif
+ }
+ bool OnInit();
+ void OnExit();
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
+};
+
+bool wxGtkPrintModule::OnInit()
+{
+ if (gtk_check_version(2,10,0) == NULL)
+ wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
+
+ return true;
+}
+
+void wxGtkPrintModule::OnExit()
+{
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
+
+
+//----------------------------------------------------------------------------
+// wxGtkPrintFactory
+//----------------------------------------------------------------------------
+
+wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
+{
+ return new wxGtkPrinter( data );
+}
+
+wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
+ wxPrintout *printout,
+ wxPrintDialogData *data )
+{
+ return new wxGtkPrintPreview( preview, printout, data );
+}
+
+wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
+ wxPrintout *printout,
+ wxPrintData *data )
+{
+ return new wxGtkPrintPreview( preview, printout, data );
+}
+
+wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
+ wxPrintDialogData *data )
+{
+ return new wxGtkPrintDialog( parent, data );
+}
+
+wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
+ wxPrintData *data )
+{
+ return new wxGtkPrintDialog( parent, data );
+}
+
+wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
+ wxPageSetupDialogData * data )
+{
+ return new wxGtkPageSetupDialog( parent, data );
+}
+
+bool wxGtkPrintFactory::HasPrintSetupDialog()
+{
+ return false;
+}
+
+wxDialog *wxGtkPrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
+{
+ return NULL;
+}
+
+wxDC* wxGtkPrintFactory::CreatePrinterDC( const wxPrintData& data )
+{
+ return new wxGtkPrintDC(data);
+}
+
+bool wxGtkPrintFactory::HasOwnPrintToFile()
+{
+ return true;
+}
+
+bool wxGtkPrintFactory::HasPrinterLine()
+{
+ return true;
+}
+
+wxString wxGtkPrintFactory::CreatePrinterLine()
+{
+ // redundant now
+ return wxEmptyString;
+}
+
+bool wxGtkPrintFactory::HasStatusLine()
+{
+ // redundant now
+ return true;
+}
+
+wxString wxGtkPrintFactory::CreateStatusLine()
+{
+ // redundant now
+ return wxEmptyString;
+}
+
+wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
+{
+ return new wxGtkPrintNativeData;
+}
+
+//----------------------------------------------------------------------------
+// Callback functions for Gtk Printings.
+//----------------------------------------------------------------------------
+
+// We use it to pass useful objets to gtk printing callback functions.
+typedef struct
+{
+ wxGtkPrinter * printer;
+ wxPrintout * printout;
+}
+wxPrinterToGtkData;
+
+extern "C"
+{
+ static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
+ {
+ wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
+
+ data->printer->BeginPrint(data->printout, operation, context);
+ }
+
+ static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
+ {
+ wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
+
+ data->printer->DrawPage(data->printout, operation, context, page_nr);
+ }
+
+ static void gtk_end_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
+ {
+ wxPrintout *printout = (wxPrintout *) user_data;
+
+ printout->OnEndPrinting();
+ }
+
+ static gboolean gtk_preview_print_callback (GtkPrintOperation *operation, GtkPrintOperationPreview *preview, GtkPrintContext *context, GtkWindow *parent, gpointer user_data)
+ {
+ wxPrintout *printout = (wxPrintout *) user_data;
+
+ printout->SetIsPreview(true);
+
+ /* We create a cairo context with 72dpi resolution. This resolution is only used for positionning. */
+ cairo_t *cairo = gdk_cairo_create(GTK_WIDGET(parent)->window);
+ gtk_print_context_set_cairo_context(context, cairo, 72, 72);
+
+ return false;
+ }
+}
+
+//----------------------------------------------------------------------------
+// wxGtkPrintNativeData
+//----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
+
+wxGtkPrintNativeData::wxGtkPrintNativeData()
+{
+ m_config = gtk_print_settings_new();
+}
+
+wxGtkPrintNativeData::~wxGtkPrintNativeData()
+{
+ g_object_unref (m_config);
+}
+
+// Convert datas stored in m_config to a wxPrintData.
+// Called by wxPrintData::ConvertFromNative().
+bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
+{
+ if(!m_config)
+ return false;
+
+ GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
+ if (quality == GTK_PRINT_QUALITY_HIGH)
+ data.SetQuality(wxPRINT_QUALITY_HIGH);
+ else if (quality == GTK_PRINT_QUALITY_LOW)
+ data.SetQuality(wxPRINT_QUALITY_LOW);
+ else if (quality == GTK_PRINT_QUALITY_DRAFT)
+ data.SetQuality(wxPRINT_QUALITY_DRAFT);
+ else
+ data.SetQuality(wxPRINT_QUALITY_MEDIUM);
+
+ data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
+
+ data.SetColour(gtk_print_settings_get_use_color(m_config));
+
+ switch (gtk_print_settings_get_duplex(m_config))
+ {
+ case GTK_PRINT_DUPLEX_SIMPLEX: data.SetDuplex (wxDUPLEX_SIMPLEX);
+ break;
+
+ case GTK_PRINT_DUPLEX_HORIZONTAL: data.SetDuplex (wxDUPLEX_HORIZONTAL);
+ break;
+
+ default:
+ case GTK_PRINT_DUPLEX_VERTICAL: data.SetDuplex (wxDUPLEX_VERTICAL);
+ break;
+ }
+
+ GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
+ if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
+ {
+ data.SetOrientation(wxPORTRAIT);
+ data.SetOrientationReversed(false);
+ }
+ else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
+ {
+ data.SetOrientation(wxLANDSCAPE);
+ data.SetOrientationReversed(false);
+ }
+ else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
+ {
+ data.SetOrientation(wxPORTRAIT);
+ data.SetOrientationReversed(true);
+ }
+ else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
+ {
+ data.SetOrientation(wxLANDSCAPE);
+ data.SetOrientationReversed(true);
+ }
+
+ data.SetCollate(gtk_print_settings_get_collate (m_config));
+
+ // Paper formats : these are the most common paper formats.
+ GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
+ if (!paper_size)
+ data.SetPaperId(wxPAPER_NONE);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
+ data.SetPaperId(wxPAPER_A3);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
+ data.SetPaperId(wxPAPER_A4);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
+ data.SetPaperId(wxPAPER_A5);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
+ data.SetPaperId(wxPAPER_B5);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
+ data.SetPaperId(wxPAPER_LETTER);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
+ data.SetPaperId(wxPAPER_LEGAL);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
+ data.SetPaperId(wxPAPER_EXECUTIVE);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
+ data.SetPaperId(wxPAPER_ENV_10);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
+ data.SetPaperId(wxPAPER_ENV_C5);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
+ data.SetPaperId(wxPAPER_ENV_C6);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
+ data.SetPaperId(wxPAPER_B5_TRANSVERSE);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
+ data.SetPaperId(wxPAPER_ENV_B5);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
+ data.SetPaperId(wxPAPER_ENV_MONARCH);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
+ data.SetPaperId( wxPAPER_CSHEET);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
+ data.SetPaperId( wxPAPER_DSHEET);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
+ data.SetPaperId( wxPAPER_ESHEET);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
+ data.SetPaperId( wxPAPER_LETTERSMALL);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
+ data.SetPaperId( wxPAPER_TABLOID);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
+ data.SetPaperId( wxPAPER_LEDGER);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
+ data.SetPaperId( wxPAPER_STATEMENT);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
+ data.SetPaperId( wxPAPER_A4SMALL);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
+ data.SetPaperId( wxPAPER_B4);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
+ data.SetPaperId( wxPAPER_FOLIO);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
+ data.SetPaperId( wxPAPER_QUARTO);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
+ data.SetPaperId( wxPAPER_10X14);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
+ data.SetPaperId( wxPAPER_11X17);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
+ data.SetPaperId( wxPAPER_NOTE);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
+ data.SetPaperId( wxPAPER_ENV_9);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
+ data.SetPaperId( wxPAPER_ENV_11);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
+ data.SetPaperId( wxPAPER_ENV_12);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
+ data.SetPaperId( wxPAPER_ENV_14);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
+ data.SetPaperId( wxPAPER_ENV_DL);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
+ data.SetPaperId( wxPAPER_ENV_C3);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
+ data.SetPaperId( wxPAPER_ENV_C4);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
+ data.SetPaperId( wxPAPER_ENV_C65);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
+ data.SetPaperId( wxPAPER_ENV_B4);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
+ data.SetPaperId( wxPAPER_ENV_B6);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
+ data.SetPaperId( wxPAPER_ENV_ITALY);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
+ data.SetPaperId( wxPAPER_ENV_PERSONAL);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
+ data.SetPaperId( wxPAPER_FANFOLD_US);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
+ data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
+ else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
+ data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
+ else
+ data.SetPaperId(wxPAPER_NONE);
+ return true;
+}
+
+// Put datas given by the wxPrintData into m_config.
+// Called by wxPrintData::ConvertToNative().
+bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
+{
+ if(!m_config)
+ return false;
+
+ wxPrintQuality quality = data.GetQuality();
+ if (quality == wxPRINT_QUALITY_HIGH)
+ gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
+ else if (quality == wxPRINT_QUALITY_MEDIUM)
+ gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
+ else if (quality == wxPRINT_QUALITY_LOW)
+ gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
+ else if (quality == wxPRINT_QUALITY_DRAFT)
+ gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
+ else if (quality > 1)
+ gtk_print_settings_set_resolution (m_config, quality);
+ else
+ gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
+
+ gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
+
+ gtk_print_settings_set_use_color(m_config, data.GetColour());
+
+ switch (data.GetDuplex())
+ {
+ case wxDUPLEX_SIMPLEX: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
+ break;
+
+ case wxDUPLEX_HORIZONTAL: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
+ break;
+
+ default:
+ case wxDUPLEX_VERTICAL: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
+ break;
+ }
+
+ if (!data.IsOrientationReversed())
+ {
+ if (data.GetOrientation() == wxLANDSCAPE)
+ gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
+ else
+ gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
+ }
+ else {
+ if (data.GetOrientation() == wxLANDSCAPE)
+ gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
+ else
+ gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
+ }
+
+ gtk_print_settings_set_collate (m_config, data.GetCollate());
+
+ // Paper formats: these are the most common paper formats.
+ switch (data.GetPaperId())
+ {
+ case wxPAPER_A3: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
+ break;
+ case wxPAPER_A4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
+ break;
+ case wxPAPER_A5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
+ break;
+ case wxPAPER_B5_TRANSVERSE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
+ break;
+ case wxPAPER_B5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
+ break;
+ case wxPAPER_LETTER: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
+ break;
+ case wxPAPER_LEGAL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
+ break;
+ case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
+ break;
+ case wxPAPER_ENV_10: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
+ break;
+ case wxPAPER_ENV_C5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
+ break;
+ case wxPAPER_ENV_C6: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
+ break;
+ case wxPAPER_ENV_B5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
+ break;
+ case wxPAPER_ENV_MONARCH: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
+ break;
+ case wxPAPER_CSHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
+ break;
+ case wxPAPER_DSHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
+ break;
+ case wxPAPER_ESHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
+ break;
+ case wxPAPER_LETTERSMALL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
+ break;
+ case wxPAPER_TABLOID: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
+ break;
+ case wxPAPER_LEDGER: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
+ break;
+ case wxPAPER_STATEMENT: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
+ break;
+ case wxPAPER_A4SMALL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
+ break;
+ case wxPAPER_B4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
+ break;
+ case wxPAPER_FOLIO: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
+ break;
+ case wxPAPER_QUARTO: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
+ break;
+ case wxPAPER_10X14: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
+ break;
+ case wxPAPER_11X17: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
+ break;
+ case wxPAPER_NOTE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
+ break;
+ case wxPAPER_ENV_9: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
+ break;
+ case wxPAPER_ENV_11: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
+ break;
+ case wxPAPER_ENV_12: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
+ break;
+ case wxPAPER_ENV_14: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
+ break;
+ case wxPAPER_ENV_DL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
+ break;
+ case wxPAPER_ENV_C3: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
+ break;
+ case wxPAPER_ENV_C4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
+ break;
+ case wxPAPER_ENV_C65: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
+ break;
+ case wxPAPER_ENV_B4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
+ break;
+ case wxPAPER_ENV_B6: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
+ break;
+ case wxPAPER_ENV_ITALY: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
+ break;
+ case wxPAPER_ENV_PERSONAL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
+ break;
+ case wxPAPER_FANFOLD_US: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
+ break;
+ case wxPAPER_FANFOLD_STD_GERMAN: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
+ break;
+ case wxPAPER_FANFOLD_LGL_GERMAN: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
+ break;
+ case wxPAPER_NONE:
+ default: break;
+ }
+
+ return true;
+}
+
+void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
+{
+ if (config)
+ m_config = gtk_print_settings_copy(config);
+}
+
+// Extract page setup from settings.
+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));
+
+ 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;
+}
+
+// Insert page setup into a given GtkPrintSettings.
+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));
+}
+
+//----------------------------------------------------------------------------
+// wxGtkPrintDialog
+//----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
+
+wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
+ : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
+ wxPoint(0, 0), wxSize(600, 600),
+ wxDEFAULT_DIALOG_STYLE |
+ wxTAB_TRAVERSAL)
+{
+ if (data)
+ m_printDialogData = *data;
+
+ m_parent = parent;
+ SetShowDialog(true);
+}
+
+wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
+ : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
+ wxPoint(0, 0), wxSize(600, 600),
+ wxDEFAULT_DIALOG_STYLE |
+ wxTAB_TRAVERSAL)
+{
+ if (data)
+ m_printDialogData = *data;
+
+ m_parent = parent;
+ SetShowDialog(true);
+}
+
+
+wxGtkPrintDialog::~wxGtkPrintDialog()
+{
+}
+
+// This is called even if we actually don't want the dialog to appear.
+int wxGtkPrintDialog::ShowModal()
+{
+ GtkPrintOperationResult response;
+
+ // We need to restore the settings given in the constructor.
+ wxPrintData data = m_printDialogData.GetPrintData();
+ wxGtkPrintNativeData *native =
+ (wxGtkPrintNativeData*) data.GetNativeData();
+ data.ConvertToNative();
+
+ GtkPrintSettings * settings = native->GetPrintConfig();
+
+ // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
+ int fromPage = m_printDialogData.GetFromPage();
+ int toPage = m_printDialogData.GetToPage();
+ if (m_printDialogData.GetSelection())
+ gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
+ else if (m_printDialogData.GetAllPages())
+ gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
+ else {
+ gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
+ GtkPageRange *range;
+ range = g_new (GtkPageRange, 1);
+ range[0].start = fromPage-1;
+ range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
+ gtk_print_settings_set_page_ranges (settings, range, 1);
+ }
+
+ // 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));
+
+ // Show the dialog if needed.
+ GError* gError = NULL;
+ if (GetShowDialog())
+ response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget) ), &gError);
+ else
+ response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT, (GtkWindow *) m_parent, &gError);
+
+ // Does everything went well?
+ if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
+ {
+ return wxID_CANCEL;
+ }
+ else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
+ {
+ g_error_free (gError);
+ wxLogError(_("Error while printing: ") + wxString::Format(_("%s"), gError->message));
+ return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
+ }
+
+ // Now get the settings and save it.
+ GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings (native->GetPrintJob());
+ native->SetPrintConfig(newSettings);
+ data.ConvertFromNative();
+
+ // Same problem as a few lines before.
+ switch (gtk_print_settings_get_print_pages(newSettings))
+ {
+ 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.
+ // 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 );
+ break;
+ }
+
+ return wxID_OK;
+}
+
+//----------------------------------------------------------------------------
+// wxGtkPageSetupDialog
+//----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
+
+wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
+ wxPageSetupDialogData* data )
+{
+ if (data)
+ m_pageDialogData = *data;
+
+ m_parent = parent;
+}
+
+wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
+{
+}
+
+int wxGtkPageSetupDialog::ShowModal()
+{
+ // Get the config.
+ m_pageDialogData.GetPrintData().ConvertToNative();
+ wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
+ GtkPrintSettings* nativeData = native->GetPrintConfig();
+
+ // We only need the pagesetup data which are part of the settings.
+ GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
+
+ // If the user used a custom paper format the last time he printed, we have to restore it too.
+ if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
+ {
+ wxSize customPaperSize = m_pageDialogData.GetPaperSize();
+ if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
+ {
+ wxString title = _("Custom size");
+ GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
+ gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
+ g_object_unref(customSize);
+ }
+ }
+
+ // Now show the dialog.
+ GtkPageSetup* newPageSetup = gtk_print_run_page_setup_dialog (GTK_WINDOW(m_parent->m_widget),
+ oldPageSetup,
+ nativeData);
+
+ int ret;
+ if (newPageSetup != oldPageSetup)
+ {
+ native->SetPageSetupToSettings(nativeData, newPageSetup);
+ m_pageDialogData.GetPrintData().ConvertFromNative();
+
+ // Store custom paper format if any.
+ if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
+ {
+ gdouble ml,mr,mt,mb,pw,ph;
+ ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
+ mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
+ mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
+ mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
+
+ pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
+ ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
+
+ m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
+ m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
+
+ m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
+ }
+
+ ret = wxID_OK;
+ }
+ else
+ {
+ ret = wxID_CANCEL;
+ }
+
+ return ret;
+}
+
+//----------------------------------------------------------------------------
+// wxGtkPrinter
+//----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
+
+wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
+ wxPrinterBase( data )
+{
+ m_gpc = NULL;
+
+ if (data)
+ m_printDialogData = *data;
+}
+
+wxGtkPrinter::~wxGtkPrinter()
+{
+}
+
+bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
+{
+ if (!printout)
+ {
+ sm_lastError = wxPRINTER_ERROR;
+ return false;
+ }
+
+ // Let's correct the PageInfo just in case the app gives wrong values.
+ int fromPage, toPage;
+ int minPage, maxPage;
+ printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
+ m_printDialogData.SetAllPages(true);
+
+ if (minPage < 1) minPage = 1;
+ if (maxPage < 1) maxPage = 9999;
+ if (maxPage < minPage) maxPage = minPage;
+
+ m_printDialogData.SetMinPage(minPage);
+ m_printDialogData.SetMaxPage(maxPage);
+ if (fromPage != 0)
+ {
+ if (fromPage < minPage) fromPage = minPage;
+ else if (fromPage > maxPage) fromPage = maxPage;
+ m_printDialogData.SetFromPage(fromPage);
+ }
+ if (toPage != 0)
+ {
+ m_printDialogData.SetToPage(toPage);
+ if (toPage > maxPage) toPage = maxPage;
+ else if (toPage < minPage) toPage = minPage;
+ }
+
+ if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
+
+
+ wxPrintData printdata = GetPrintDialogData().GetPrintData();
+ wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
+
+ GtkPrintOperation *printOp = gtk_print_operation_new ();
+
+ native->SetPrintJob( printOp );
+
+ printout->SetIsPreview(false);
+
+ wxPrinterToGtkData dataToSend;
+ dataToSend.printer = this;
+ dataToSend.printout = printout;
+
+ // These Gtk signals are catched here.
+ g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
+ g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
+ g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
+ g_signal_connect (printOp, "preview", G_CALLBACK (gtk_preview_print_callback), printout);
+
+ m_showDialog = true;
+ if (!prompt)
+ m_showDialog = false;
+
+ // PrintDialog returns a wxDC but we created it before so we don't need it anymore: we just delete it.
+ wxDC* uselessdc = PrintDialog( parent );
+ delete uselessdc;
+
+ g_object_unref (printOp);
+
+ return (sm_lastError == wxPRINTER_NO_ERROR);
+}
+
+void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
+{
+ wxPrintData printdata = GetPrintDialogData().GetPrintData();
+ wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
+
+ SetPrintContext(context);
+ native->SetPrintContext( context );
+
+ m_dc = new wxGtkPrintDC( printdata );
+
+ if (!m_dc->IsOk())
+ {
+ if (sm_lastError != wxPRINTER_CANCELLED)
+ {
+ sm_lastError = wxPRINTER_ERROR;
+ wxFAIL_MSG(_("The wxGtkPrintDC cannot be used."));
+ }
+ return;
+ }
+ wxSize ScreenPixels = wxGetDisplaySize();
+ wxSize ScreenMM = wxGetDisplaySizeMM();
+
+ printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
+ (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
+ printout->SetPPIPrinter( wxGtkPrintDC::GetResolution(),
+ wxGtkPrintDC::GetResolution() );
+
+ printout->SetDC(m_dc);
+
+ int w, h;
+ m_dc->GetSize(&w, &h);
+ printout->SetPageSizePixels((int)w, (int)h);
+ printout->SetPaperRectPixels(wxRect(0, 0, w, h));
+ int mw, mh;
+ m_dc->GetSizeMM(&mw, &mh);
+ printout->SetPageSizeMM((int)mw, (int)mh);
+ printout->OnPreparePrinting();
+
+ // Get some parameters from the printout, if defined.
+ int fromPage, toPage;
+ int minPage, maxPage;
+ printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
+
+ if (maxPage == 0)
+ {
+ sm_lastError = wxPRINTER_ERROR;
+ wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
+ return;
+ }
+
+ printout->OnBeginPrinting();
+
+ int numPages = 0;
+
+ // If we're not previewing we need to calculate the number of pages to print.
+ // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
+ // have defined in the dialog. So the number of pages is the maximum available.
+ if (!printout->IsPreview())
+ {
+ GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
+ switch (gtk_print_settings_get_print_pages(settings))
+ {
+ case GTK_PRINT_PAGES_CURRENT:
+ numPages = 1;
+ break;
+ case GTK_PRINT_PAGES_RANGES:
+ {gint num_ranges = 0;
+ GtkPageRange* range;
+ int i;
+ range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
+ for (i=0; i<num_ranges; i++)
+ {
+ if (range[i].end < range[i].start) range[i].end = range[i].start;
+ if (range[i].start < minPage-1) range[i].start = minPage-1;
+ if (range[i].end > maxPage-1) range[i].end = maxPage-1;
+ if (range[i].start > maxPage-1) range[i].start = maxPage-1;
+ numPages += range[i].end - range[i].start + 1;
+ }
+ gtk_print_settings_set_page_ranges (settings, range, 1);
+ break;}
+ case GTK_PRINT_PAGES_ALL:
+ default:
+ numPages = maxPage - minPage + 1;
+ break;
+ }
+ }
+ else numPages = maxPage - minPage + 1;
+
+ gtk_print_operation_set_n_pages(operation, numPages);
+}
+
+void wxGtkPrinter::DrawPage(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context, int page_nr)
+{
+ int fromPage, toPage, minPage, maxPage, startPage, endPage;
+ printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
+
+ int numPageToDraw = page_nr + minPage;
+ if (numPageToDraw < minPage) numPageToDraw = minPage;
+ if (numPageToDraw > maxPage) numPageToDraw = maxPage;
+
+ GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
+ switch (gtk_print_settings_get_print_pages(settings))
+ {
+ case GTK_PRINT_PAGES_CURRENT:
+ g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
+ g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
+ break;
+ case GTK_PRINT_PAGES_RANGES:
+ {gint num_ranges = 0;
+ 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;
+ break;}
+ case GTK_PRINT_PAGES_ALL:
+ default:
+ startPage = minPage;
+ endPage = maxPage;
+ break;
+ }
+
+ if(numPageToDraw == startPage)
+ {
+ if (!printout->OnBeginDocument(startPage, endPage))
+ {
+ wxLogError(_("Could not start printing."));
+ sm_lastError = wxPRINTER_ERROR;
+ }
+ }
+
+ // The app can render the page numPageToDraw.
+ if (printout->HasPage(numPageToDraw))
+ {
+ m_dc->StartPage();
+ printout->OnPrintPage(numPageToDraw);
+ m_dc->EndPage();
+ }
+
+
+ if(numPageToDraw == endPage)
+ {
+ printout->OnEndDocument();
+ }
+}
+
+wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
+{
+ wxGtkPrintDialog dialog( parent, &m_printDialogData );
+ int ret;
+
+ dialog.SetPrintDC(m_dc);
+
+ dialog.SetShowDialog(m_showDialog);
+
+ ret = dialog.ShowModal();
+
+ if (ret == wxID_CANCEL)
+ {
+ sm_lastError = wxPRINTER_CANCELLED;
+ return NULL;
+ }
+ if (ret == wxID_NO)
+ {
+ sm_lastError = wxPRINTER_ERROR;
+ wxFAIL_MSG(_("The print dialog returned an error."));
+ return NULL;
+ }
+
+ m_printDialogData = dialog.GetPrintDialogData();
+ return new wxGtkPrintDC( m_printDialogData.GetPrintData() );
+}
+
+bool wxGtkPrinter::Setup( wxWindow *parent )
+{
+ // Obsolete, for backward compatibility.
+ return false;
+}
+
+//-----------------------------------------------------------------------------
+// wxGtkPrintDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGtkPrintDC, wxDC)
+
+// 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;
+
+wxGtkPrintDC::wxGtkPrintDC( const wxPrintData& data )
+{
+ m_printData = data;
+
+ wxGtkPrintNativeData *native =
+ (wxGtkPrintNativeData*) m_printData.GetNativeData();
+
+ m_gpc = native->GetPrintContext();
+
+ ms_resolution = (int) gtk_print_context_get_dpi_x(m_gpc);
+ 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" );
+
+ m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
+
+ m_currentRed = 0;
+ m_currentBlue = 0;
+ m_currentGreen = 0;
+
+ m_signX = 1; // default x-axis left to right.
+ m_signY = 1; // default y-axis bottom up -> top down.
+
+ GetSize( &m_deviceOffsetX, &m_deviceOffsetY );
+}
+
+wxGtkPrintDC::~wxGtkPrintDC()
+{
+ g_object_unref(m_context);
+ g_object_unref(m_layout);
+}
+
+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;
+
+ cairo_translate(m_cairo, m_deviceOriginX, m_deviceOriginY);
+ cairo_scale(m_cairo, m_scaleX, m_scaleY );
+}
+
+bool wxGtkPrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
+{
+ // We can't access the given coord as a cairo context is scalable, ie a coord doesn't mean anything in this context.
+ wxFAIL_MSG(_("not implemented"));
+ return false;
+}
+
+void wxGtkPrintDC::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
+{
+ wxCoord xC = circleCenter.x;
+ wxCoord yC = circleCenter.y;
+ wxCoord xR = rect.x;
+ wxCoord yR = rect.y;
+ wxCoord w = rect.width;
+ wxCoord h = rect.height;
+
+ double radius = sqrt((w/2)*(w/2)+(h/2)*(h/2));
+
+ unsigned char redI = initialColour.Red();
+ unsigned char blueI = initialColour.Blue();
+ unsigned char greenI = initialColour.Green();
+ unsigned char alphaI = initialColour.Alpha();
+ unsigned char redD = destColour.Red();
+ unsigned char blueD = destColour.Blue();
+ unsigned char greenD = destColour.Green();
+ unsigned char alphaD = destColour.Alpha();
+
+ double redIPS = (double)(redI) / 255.0;
+ double blueIPS = (double)(blueI) / 255.0;
+ double greenIPS = (double)(greenI) / 255.0;
+ double alphaIPS = (double)(alphaI) / 255.0;
+ double redDPS = (double)(redD) / 255.0;
+ double blueDPS = (double)(blueD) / 255.0;
+ double greenDPS = (double)(greenD) / 255.0;
+ double alphaDPS = (double)(alphaD) / 255.0;
+
+ // Create a pattern with the gradient.
+ cairo_pattern_t* gradient;
+ gradient = cairo_pattern_create_radial (LogicalToDeviceX(xC+xR), LogicalToDeviceY(yC+yR), 0, LogicalToDeviceX(xC+xR), LogicalToDeviceY(yC+yR), radius);
+ cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
+ cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
+
+ // Fill the rectangle with this pattern.
+ cairo_set_source(m_cairo, gradient);
+ cairo_rectangle (m_cairo, LogicalToDeviceX(xR), LogicalToDeviceY(yR), LogicalToDeviceXRel(w), LogicalToDeviceYRel(h) );
+ cairo_fill(m_cairo);
+
+ cairo_pattern_destroy(gradient);
+
+ CalcBoundingBox(xR, yR);
+ CalcBoundingBox(xR+w, yR+h);
+}
+
+void wxGtkPrintDC::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
+{
+ wxCoord x = rect.x;
+ wxCoord y = rect.y;
+ wxCoord w = rect.width;
+ wxCoord h = rect.height;
+
+ unsigned char redI = initialColour.Red();
+ unsigned char blueI = initialColour.Blue();
+ unsigned char greenI = initialColour.Green();
+ unsigned char alphaI = initialColour.Alpha();
+ unsigned char redD = destColour.Red();
+ unsigned char blueD = destColour.Blue();
+ unsigned char greenD = destColour.Green();
+ unsigned char alphaD = destColour.Alpha();
+
+ double redIPS = (double)(redI) / 255.0;
+ double blueIPS = (double)(blueI) / 255.0;
+ double greenIPS = (double)(greenI) / 255.0;
+ double alphaIPS = (double)(alphaI) / 255.0;
+ double redDPS = (double)(redD) / 255.0;
+ double blueDPS = (double)(blueD) / 255.0;
+ double greenDPS = (double)(greenD) / 255.0;
+ double alphaDPS = (double)(alphaD) / 255.0;
+
+ // Create a pattern with the gradient.
+ cairo_pattern_t* gradient;
+ gradient = cairo_pattern_create_linear (LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceX(x+w), LogicalToDeviceY(y));
+
+ if (nDirection == wxWEST)
+ {
+ cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
+ cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
+ }
+ else {
+ cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
+ cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
+ }
+
+ // Fill the rectangle with this pattern.
+ cairo_set_source(m_cairo, gradient);
+ cairo_rectangle (m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(w), LogicalToDeviceYRel(h) );
+ cairo_fill(m_cairo);
+
+ cairo_pattern_destroy(gradient);
+
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x+w, y+h);
+}
+
+bool wxGtkPrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
+{
+ // We can't access the given coord as a cairo context is scalable, ie a coord doesn't mean anything in this context.
+ wxFAIL_MSG(_("not implemented"));
+ return false;
+}
+
+void wxGtkPrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
+{
+ if (m_pen.GetStyle() == wxTRANSPARENT) return;
+
+ SetPen( m_pen );
+ cairo_move_to ( m_cairo, LogicalToDeviceX(x1), LogicalToDeviceY(y1) );
+ cairo_line_to ( m_cairo, LogicalToDeviceX(x2), LogicalToDeviceY(y2) );
+ cairo_stroke ( m_cairo );
+
+ CalcBoundingBox( x1, y1 );
+ CalcBoundingBox( x2, y2 );
+}
+
+void wxGtkPrintDC::DoCrossHair(wxCoord x, wxCoord y)
+{
+ int *w, *h;
+ w = new int;
+ h = new int;
+ DoGetSize(w, h);
+
+ SetPen(m_pen);
+
+ cairo_move_to (m_cairo, LogicalToDeviceX(x), 0);
+ cairo_line_to (m_cairo, LogicalToDeviceX(x), *h);
+ cairo_move_to (m_cairo, 0, LogicalToDeviceY(y));
+ cairo_line_to (m_cairo, *w, LogicalToDeviceY(y));
+
+ cairo_stroke (m_cairo);
+ CalcBoundingBox( 0, 0 );
+ CalcBoundingBox( *w, *h );
+
+ delete w;
+ delete h;
+}
+
+void wxGtkPrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
+{
+ double dx = x1 - xc;
+ double dy = y1 - yc;
+ double radius = sqrt((double)(dx*dx+dy*dy));
+
+ double alpha1, alpha2;
+ if (x1 == x2 && y1 == y2)
+ {
+ alpha1 = 0.0;
+ alpha2 = 360.0;
+ }
+ else
+ if (radius == 0.0)
+ {
+ alpha1 = alpha2 = 0.0;
+ }
+ else
+ {
+ alpha1 = (x1 - xc == 0) ?
+ (y1 - yc < 0) ? 90.0 : -90.0 :
+ atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
+ alpha2 = (x2 - xc == 0) ?
+ (y2 - yc < 0) ? 90.0 : -90.0 :
+ atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
+
+ while (alpha1 <= 0) alpha1 += 360;
+ while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between.
+ while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree.
+ while (alpha2 > 360) alpha2 -= 360;
+ }
+
+ alpha1 *= DEG2RAD;
+ alpha2 *= DEG2RAD;
+
+ cairo_arc_negative ( m_cairo, LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel((int)radius), alpha1, alpha2);
+ cairo_line_to(m_cairo, LogicalToDeviceX(xc), LogicalToDeviceY(yc));
+ cairo_close_path (m_cairo);
+
+ SetBrush( m_brush );
+ cairo_fill_preserve( m_cairo );
+
+ SetPen (m_pen);
+ cairo_stroke( m_cairo );
+
+ CalcBoundingBox (x1, y1);
+ CalcBoundingBox (xc, yc);
+ CalcBoundingBox (x2, y2);
+}
+
+void wxGtkPrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
+{
+ cairo_save( m_cairo );
+
+ cairo_translate( m_cairo, LogicalToDeviceX((wxCoord) (x + w / 2.)), LogicalToDeviceX((wxCoord) (y + h / 2.)) );
+ double scale = (double)LogicalToDeviceYRel(h) / (double) LogicalToDeviceXRel(w);
+ cairo_scale( m_cairo, 1.0, scale );
+
+ cairo_arc_negative ( m_cairo, 0, 0, LogicalToDeviceXRel(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
+
+ SetPen (m_pen);
+ cairo_stroke_preserve( m_cairo );
+
+ cairo_line_to(m_cairo, 0,0);
+
+ SetBrush( m_brush );
+ cairo_fill( m_cairo );
+
+ cairo_restore( m_cairo );
+
+ CalcBoundingBox( x, y);
+ CalcBoundingBox( x+w, y+h );
+}
+
+void wxGtkPrintDC::DoDrawPoint(wxCoord x, wxCoord y)
+{
+ if (m_pen.GetStyle() == wxTRANSPARENT) return;
+
+ SetPen( m_pen );
+
+ cairo_move_to ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
+ cairo_line_to ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
+ cairo_stroke ( m_cairo );
+
+ CalcBoundingBox( x, y );
+}
+
+void wxGtkPrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
+{
+ if (m_pen.GetStyle() == wxTRANSPARENT) return;
+
+ if (n <= 0) return;
+
+ SetPen (m_pen);
+
+ int i;
+ for ( i =0; i<n ; i++ )
+ CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
+
+ cairo_move_to ( m_cairo, LogicalToDeviceX(points[0].x+xoffset), LogicalToDeviceY(points[0].y+yoffset) );
+
+ for (i = 1; i < n; i++)
+ cairo_line_to ( m_cairo, LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset) );
+
+ cairo_stroke ( m_cairo);
+}
+
+void wxGtkPrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
+{
+ if (n==0) return;
+
+ cairo_save(m_cairo);
+ if (fillStyle == wxWINDING_RULE)
+ cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
+ else
+ cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
+
+ int x = points[0].x + xoffset;
+ int y = points[0].y + yoffset;
+ cairo_new_path(m_cairo);
+ cairo_move_to( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
+ int i;
+ for (i = 1; i < n; i++)
+ {
+ int x = points[i].x + xoffset;
+ int y = points[i].y + yoffset;
+ cairo_line_to( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
+ }
+ cairo_close_path(m_cairo);
+
+ SetBrush( m_brush );
+ cairo_fill_preserve( m_cairo );
+
+ SetPen (m_pen);
+ cairo_stroke( m_cairo );
+
+ CalcBoundingBox( x, y );
+
+ cairo_restore(m_cairo);
+}
+
+void wxGtkPrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
+{
+ wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
+}
+
+void wxGtkPrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+{
+ cairo_rectangle ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(width), LogicalToDeviceYRel(height));
+
+ SetBrush( m_brush );
+ cairo_fill_preserve( m_cairo );
+
+ SetPen (m_pen);
+ cairo_stroke( m_cairo );
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
+}
+
+void wxGtkPrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
+{
+ if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
+
+ wxCoord dd = 2 * (wxCoord) radius;
+ if (dd > width) dd = width;
+ if (dd > height) dd = height;
+ radius = dd / 2;
+
+ wxCoord rad = (wxCoord) radius;
+
+ cairo_new_path(m_cairo);
+ cairo_move_to(m_cairo,LogicalToDeviceX(x + rad),LogicalToDeviceY(y));
+ cairo_curve_to(m_cairo,
+ LogicalToDeviceX(x + rad),LogicalToDeviceY(y),
+ LogicalToDeviceX(x),LogicalToDeviceY(y),
+ LogicalToDeviceX(x),LogicalToDeviceY(y + rad));
+ cairo_line_to(m_cairo,LogicalToDeviceX(x),LogicalToDeviceY(y + height - rad));
+ cairo_curve_to(m_cairo,
+ LogicalToDeviceX(x),LogicalToDeviceY(y + height - rad),
+ LogicalToDeviceX(x),LogicalToDeviceY(y + height),
+ LogicalToDeviceX(x + rad),LogicalToDeviceY(y + height));
+ cairo_line_to(m_cairo,LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y + height));
+ 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));
+ cairo_line_to(m_cairo,LogicalToDeviceX(x + width),LogicalToDeviceY(y + rad));
+ cairo_curve_to(m_cairo,
+ LogicalToDeviceX(x + width),LogicalToDeviceY(y + rad),
+ LogicalToDeviceX(x + width),LogicalToDeviceY(y),
+ LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y));
+ cairo_line_to(m_cairo,LogicalToDeviceX(x + rad),LogicalToDeviceY(y));
+ cairo_close_path(m_cairo);
+
+ SetBrush(m_brush);
+ cairo_fill_preserve(m_cairo);
+
+ SetPen(m_pen);
+ cairo_stroke(m_cairo);
+
+ CalcBoundingBox(x,y);
+ CalcBoundingBox(x+width,y+height);
+}
+
+void wxGtkPrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+{
+ cairo_save (m_cairo);
+
+ cairo_translate (m_cairo, LogicalToDeviceX((wxCoord) (x + width / 2.)), LogicalToDeviceY((wxCoord) (y + height / 2.)));
+ cairo_scale(m_cairo, 1, (double)LogicalToDeviceYRel(height)/(double)LogicalToDeviceXRel(width));
+ cairo_arc ( m_cairo, 0, 0, LogicalToDeviceXRel(width/2), 0, 2 * M_PI);
+
+ SetBrush( m_brush );
+ cairo_fill_preserve( m_cairo );
+
+ SetPen (m_pen);
+ cairo_stroke( m_cairo );
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + width, y + height );
+
+ cairo_restore (m_cairo);
+}
+
+#if wxUSE_SPLINES
+void wxGtkPrintDC::DoDrawSpline(wxList *points)
+{
+ SetPen (m_pen);
+
+ double c, d, x1, y1, x2, y2, x3, y3;
+ wxPoint *p, *q;
+
+ wxList::compatibility_iterator node = points->GetFirst();
+ p = (wxPoint *)node->GetData();
+ x1 = p->x;
+ y1 = p->y;
+
+ node = node->GetNext();
+ p = (wxPoint *)node->GetData();
+ c = p->x;
+ d = p->y;
+ x3 =
+ (double)(x1 + c) / 2;
+ y3 =
+ (double)(y1 + d) / 2;
+
+ cairo_new_path( m_cairo );
+ cairo_move_to( m_cairo, LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1) );
+ cairo_line_to( m_cairo, LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
+
+ CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
+ CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
+
+ node = node->GetNext();
+ while (node)
+ {
+ q = (wxPoint *)node->GetData();
+
+ x1 = x3;
+ y1 = y3;
+ x2 = c;
+ y2 = d;
+ c = q->x;
+ d = q->y;
+ x3 = (double)(x2 + c) / 2;
+ y3 = (double)(y2 + d) / 2;
+
+ cairo_curve_to(m_cairo,
+ LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
+ LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
+ LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
+
+ CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
+ CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
+
+ node = node->GetNext();
+ }
+
+ cairo_line_to ( m_cairo, LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
+
+ cairo_stroke( m_cairo );
+}
+#endif // wxUSE_SPLINES
+
+bool wxGtkPrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
+ wxCoord xsrcMask, wxCoord ysrcMask)
+{
+ wxCHECK_MSG( source, false, wxT("invalid source dc") );
+
+ // Blit into a bitmap.
+ wxBitmap bitmap( width, height );
+ wxMemoryDC memDC;
+ memDC.SelectObject(bitmap);
+ memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
+ memDC.SelectObject(wxNullBitmap);
+
+ // Draw bitmap. scaling and positioning is done there.
+ DrawBitmap( bitmap, xdest, ydest, useMask );
+
+ return true;
+}
+
+void wxGtkPrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
+{
+ DoDrawBitmap( icon, x, y, true );
+}
+
+void wxGtkPrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
+{
+ wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrintDC::DoDrawBitmap"));
+
+ cairo_surface_t* surface;
+ x = LogicalToDeviceX(x);
+ y = LogicalToDeviceY(y);
+ int bw = bitmap.GetWidth();
+ int bh = bitmap.GetHeight();
+ wxBitmap bmpSource = bitmap; // we need a non-const instance.
+ unsigned char* buffer = new unsigned char[bw*bh*4];
+ wxUint32* data = (wxUint32*)buffer;
+
+ wxMask *mask = NULL;
+ if (useMask) mask = bmpSource.GetMask();
+
+ // 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() || mask)
+ {
+ surface = 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; y<bh; y++)
+ {
+ wxAlphaPixelData::Iterator rowStart = p;
+ for (x=0; x<bw; x++)
+ {
+ // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
+ // with alpha in the upper 8 bits, then red, then green, then
+ // 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 = 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; y<bh; y++)
+ {
+ wxNativePixelData::Iterator rowStart = p;
+ for (x=0; x<bw; x++)
+ {
+ // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
+ // the upper 8 bits unused. Red, Green, and Blue are stored in
+ // the remaining 24 bits in that order. The 32-bit quantities
+ // are stored native-endian.
+ *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
+ ++data;
+ ++p;
+ }
+ p = rowStart;
+ p.OffsetY(pixData, 1);
+ }
+ }
+
+
+ cairo_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 = cairo_pattern_create_for_surface(surface);
+
+ // Prepare to draw the image.
+ cairo_translate(m_cairo, x, y);
+ cairo_set_source(m_cairo, pattern);
+ // Use the original size here since the context is scaled already.
+ cairo_rectangle(m_cairo, 0, 0, bw, bh);
+ // Fill the rectangle using the pattern.
+ cairo_fill(m_cairo);
+
+ // Clean up.
+ cairo_pattern_destroy(pattern);
+ cairo_surface_destroy(surface);
+ delete [] buffer;
+
+ CalcBoundingBox(0,0);
+ CalcBoundingBox(bw,bh);
+
+ 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 = 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; y<bh; y++)
+ {
+ wxAlphaPixelData::Iterator rowStart = p;
+ for (x=0; x<bw; x++)
+ {
+ // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
+ // with alpha in the upper 8 bits, then red, then green, then
+ // 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 << 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 = 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; y<bh; y++)
+ {
+ wxNativePixelData::Iterator rowStart = p;
+ for (x=0; x<bw; x++)
+ {
+ // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
+ // the upper 8 bits unused. Red, Green, and Blue are stored in
+ // the remaining 24 bits in that order. The 32-bit quantities
+ // are stored native-endian.
+ *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
+ ++data;
+ ++p;
+ }
+ p = rowStart;
+ p.OffsetY(pixData, 1);
+ }
+ }
+
+
+ cairo_save(m_cairo);
+
+ // Prepare to draw the image.
+ cairo_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 = cairo_pattern_create_for_surface(surface);
+ cairo_pattern_set_filter(pattern,filter);
+ wxDouble scaleX = (wxDouble) w / (wxDouble) bw;
+ wxDouble scaleY = (wxDouble) h / (wxDouble) bh;
+ cairo_scale(m_cairo, scaleX, scaleY);
+
+ cairo_set_source(m_cairo, pattern);
+ // Use the original size here since the context is scaled already.
+ cairo_rectangle(m_cairo, 0, 0, bw, bh);
+ // Fill the rectangle using the pattern.
+ cairo_fill(m_cairo);
+
+ // Clean up.
+ cairo_pattern_destroy(pattern);
+ cairo_surface_destroy(surface);
+ delete [] buffer;
+
+ CalcBoundingBox(0,0);
+ CalcBoundingBox(bw,bh);
+
+ cairo_restore(m_cairo);
+}
+
+void wxGtkPrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
+{
+ DoDrawRotatedText( text, x, y, 0.0 );
+}
+
+void wxGtkPrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
+{
+ x = LogicalToDeviceX(x);
+ y = LogicalToDeviceY(y);
+
+ angle = -angle;
+
+ bool underlined = m_font.Ok() && m_font.GetUnderlined();
+
+// FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
+#if wxUSE_UNICODE_UTF8
+ const char *data = text.utf8_str();
+#else
+ const wxCharBuffer data = text.utf8_str();
+#endif
+
+ size_t datalen = strlen(data);
+ pango_layout_set_text( m_layout, data, datalen);
+
+ if (underlined)
+ {
+ PangoAttrList *attrs = pango_attr_list_new();
+ PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+ a->start_index = 0;
+ a->end_index = datalen;
+ pango_attr_list_insert(attrs, a);
+ pango_layout_set_attributes(m_layout, attrs);
+ pango_attr_list_unref(attrs);
+ }
+
+ if (m_textForegroundColour.Ok())
+ {
+ unsigned char red = m_textForegroundColour.Red();
+ unsigned char blue = m_textForegroundColour.Blue();
+ unsigned char green = m_textForegroundColour.Green();
+ unsigned char alpha = m_textForegroundColour.Alpha();
+
+ if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
+ {
+ double redPS = (double)(red) / 255.0;
+ double bluePS = (double)(blue) / 255.0;
+ double greenPS = (double)(green) / 255.0;
+ double alphaPS = (double)(alpha) / 255.0;
+
+ cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
+
+ m_currentRed = red;
+ m_currentBlue = blue;
+ m_currentGreen = green;
+ m_currentAlpha = alpha;
+ }
+ }
+
+ 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 );
+
+ // 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);
+
+ 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();
+
+ double redPS = (double)(red) / 255.0;
+ double bluePS = (double)(blue) / 255.0;
+ double greenPS = (double)(green) / 255.0;
+ double alphaPS = (double)(alpha) / 255.0;
+
+ cairo_save(m_cairo);
+ cairo_translate(m_cairo, x, y);
+ cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
+ cairo_rotate(m_cairo,angle*DEG2RAD);
+ cairo_rectangle(m_cairo, 0, 0, w, h);
+ cairo_fill(m_cairo);
+ cairo_restore(m_cairo);
+ }
+
+ // Draw layout.
+ cairo_move_to (m_cairo, x, y);
+ if (fabs(angle) > 0.00001)
+ {
+ cairo_save( m_cairo );
+ cairo_rotate( m_cairo, angle*DEG2RAD );
+ pango_cairo_update_layout (m_cairo, m_layout);
+ pango_cairo_show_layout (m_cairo, m_layout);
+ cairo_restore( m_cairo );
+ }
+ else
+ {
+ pango_cairo_update_layout (m_cairo, m_layout);
+ pango_cairo_show_layout (m_cairo, m_layout);
+ }
+
+ // Reset unscaled size.
+ pango_font_description_set_size( m_fontdesc, oldSize );
+
+ // 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();
+
+ double redPS = (double)(red) / 255.0;
+ double bluePS = (double)(blue) / 255.0;
+ double greenPS = (double)(green) / 255.0;
+ double alphaPS = (double)(alpha) / 255.0;
+
+ cairo_save(m_cairo);
+ cairo_translate(m_cairo, x, y);
+ cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
+ cairo_rotate(m_cairo,angle*DEG2RAD);
+ cairo_rectangle(m_cairo, 0, 0, w, h);
+ cairo_fill(m_cairo);
+ cairo_restore(m_cairo);
+ }
+
+ // Draw layout.
+ cairo_move_to (m_cairo, x, y);
+ if (fabs(angle) > 0.00001)
+ {
+ cairo_save( m_cairo );
+ cairo_rotate( m_cairo, angle*DEG2RAD );
+ pango_cairo_update_layout (m_cairo, m_layout);
+ pango_cairo_show_layout (m_cairo, m_layout);
+ cairo_restore( m_cairo );
+ }
+ else
+ {
+ pango_cairo_update_layout (m_cairo, m_layout);
+ pango_cairo_show_layout (m_cairo, m_layout);
+ }
+ }
+
+ if (underlined)
+ {
+ // Undo underline attributes setting
+ pango_layout_set_attributes(m_layout, NULL);
+ }
+
+ CalcBoundingBox (x,y);
+ CalcBoundingBox (x + w, y + h);
+}
+
+void wxGtkPrintDC::Clear()
+{
+ cairo_save(m_cairo);
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
+ SetBrush(m_backgroundBrush);
+ cairo_paint(m_cairo);
+ cairo_restore(m_cairo);
+}
+
+void wxGtkPrintDC::SetFont( const wxFont& font )
+{
+ m_font = font;
+
+ if (m_font.Ok())
+ {
+ if (m_fontdesc)
+ pango_font_description_free( m_fontdesc );
+
+ m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+}
+
+void wxGtkPrintDC::SetPen( const wxPen& pen )
+{
+ if (!pen.Ok()) return;
+
+ m_pen = pen;
+
+ double width = (double) m_pen.GetWidth();
+ if (width == 0) width = 0.1;
+
+ cairo_set_line_width( m_cairo, LogicalToDeviceXRel( (wxCoord) (1000 * width )) / 1000.0f );
+ 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};
+ static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
+
+ switch (m_pen.GetStyle())
+ {
+ case wxDOT: cairo_set_dash( m_cairo, dotted, 1, 0 ); break;
+ case wxSHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 1, 0 ); break;
+ case wxLONG_DASH: cairo_set_dash( m_cairo, long_dashed, 1, 0 ); break;
+ case wxDOT_DASH: cairo_set_dash( m_cairo, dotted_dashed, 3, 0 ); break;
+ case wxUSER_DASH:
+ {
+ wxDash *wx_dashes;
+ int num = m_pen.GetDashes (&wx_dashes) - 1;
+ gdouble *g_dashes = g_new( gdouble, num );
+ int i;
+ for (i = 0; i < num; ++i)
+ g_dashes[i] = (gdouble) wx_dashes[i];
+ cairo_set_dash( m_cairo, g_dashes, num, 0);
+ g_free( g_dashes );
+ }
+ break;
+ case wxSOLID:
+ case wxTRANSPARENT:
+ default: cairo_set_dash( m_cairo, NULL, 0, 0 ); break;
+ }
+
+ switch (m_pen.GetCap())
+ {
+ case wxCAP_PROJECTING: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
+ case wxCAP_BUTT: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
+ case wxCAP_ROUND:
+ default: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
+ }
+
+ switch (m_pen.GetJoin())
+ {
+ case wxJOIN_BEVEL: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
+ case wxJOIN_MITER: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
+ case wxJOIN_ROUND:
+ default: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
+ }
+
+ unsigned char red = m_pen.GetColour().Red();
+ unsigned char blue = m_pen.GetColour().Blue();
+ unsigned char green = m_pen.GetColour().Green();
+ unsigned char alpha = m_pen.GetColour().Alpha();
+
+ if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
+ {
+ double redPS = (double)(red) / 255.0;
+ double bluePS = (double)(blue) / 255.0;
+ double greenPS = (double)(green) / 255.0;
+ double alphaPS = (double)(alpha) / 255.0;
+
+ cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
+
+ m_currentRed = red;
+ m_currentBlue = blue;
+ m_currentGreen = green;
+ m_currentAlpha = alpha;
+ }
+}
+
+void wxGtkPrintDC::SetBrush( const wxBrush& brush )
+{
+ if (!brush.Ok()) return;
+
+ m_brush = brush;
+
+ // Brush colour.
+ unsigned char red = m_brush.GetColour().Red();
+ unsigned char blue = m_brush.GetColour().Blue();
+ unsigned char green = m_brush.GetColour().Green();
+ unsigned char alpha = m_brush.GetColour().Alpha();
+
+ 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 (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
+ {
+ cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
+
+ m_currentRed = red;
+ m_currentBlue = blue;
+ m_currentGreen = green;
+ m_currentAlpha = alpha;
+ }
+
+ if (m_brush.IsHatch())
+ {
+ cairo_t * cr;
+ cairo_surface_t *surface;
+ surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
+ cr = cairo_create(surface);
+ cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
+ cairo_set_line_width(cr, 1);
+ cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
+
+ switch (m_brush.GetStyle())
+ {
+ case wxCROSS_HATCH:
+ cairo_move_to(cr, 5, 0);
+ cairo_line_to(cr, 5, 10);
+ cairo_move_to(cr, 0, 5);
+ cairo_line_to(cr, 10, 5);
+ break;
+ case wxBDIAGONAL_HATCH:
+ cairo_move_to(cr, 0, 10);
+ cairo_line_to(cr, 10, 0);
+ break;
+ case wxFDIAGONAL_HATCH:
+ cairo_move_to(cr, 0, 0);
+ cairo_line_to(cr, 10, 10);
+ break;
+ case wxCROSSDIAG_HATCH:
+ cairo_move_to(cr, 0, 0);
+ cairo_line_to(cr, 10, 10);
+ cairo_move_to(cr, 10, 0);
+ cairo_line_to(cr, 0, 10);
+ break;
+ case wxHORIZONTAL_HATCH:
+ cairo_move_to(cr, 0, 5);
+ cairo_line_to(cr, 10, 5);
+ break;
+ case wxVERTICAL_HATCH:
+ cairo_move_to(cr, 5, 0);
+ cairo_line_to(cr, 5, 10);
+ break;
+ default:
+ wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
+ }
+
+ cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
+ cairo_stroke (cr);
+
+ cairo_destroy(cr);
+ cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
+ cairo_surface_destroy(surface);
+ cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
+ cairo_set_source(m_cairo, pattern);
+ cairo_pattern_destroy(pattern);
+ }
+}
+
+void wxGtkPrintDC::SetLogicalFunction( int function )
+{
+ if (function == wxCLEAR)
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
+ else if (function == wxOR)
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
+ else if (function == wxNO_OP)
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
+ else if (function == wxAND)
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
+ else if (function == wxSET)
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
+ else if (function == wxXOR)
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
+ else // wxCOPY or anything else.
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
+}
+
+void wxGtkPrintDC::SetBackground( const wxBrush& brush )
+{
+ m_backgroundBrush = brush;
+ cairo_save(m_cairo);
+ cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
+
+ SetBrush(m_backgroundBrush);
+ cairo_paint(m_cairo);
+ cairo_restore(m_cairo);
+}
+
+void wxGtkPrintDC::SetBackgroundMode(int mode)
+{
+ if (mode == wxSOLID) m_backgroundMode = wxSOLID;
+ else m_backgroundMode = wxTRANSPARENT;
+}
+
+void wxGtkPrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+{
+ cairo_rectangle ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(width), LogicalToDeviceYRel(height));
+ cairo_clip(m_cairo);
+}
+
+void wxGtkPrintDC::DestroyClippingRegion()
+{
+ cairo_reset_clip(m_cairo);
+}
+
+bool wxGtkPrintDC::StartDoc(const wxString& message)
+{
+ return true;
+}
+
+void wxGtkPrintDC::EndDoc()
+{
+ return;
+}
+
+void wxGtkPrintDC::StartPage()
+{
+ return;
+}
+
+void wxGtkPrintDC::EndPage()
+{
+ return;
+}
+
+wxCoord wxGtkPrintDC::GetCharHeight() const
+{
+ pango_layout_set_text( m_layout, "H", 1 );
+
+ int w,h;
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+
+ return DeviceToLogicalYRel(h);
+}
+
+wxCoord wxGtkPrintDC::GetCharWidth() const
+{
+ pango_layout_set_text( m_layout, "H", 1 );
+
+ int w,h;
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+
+ return DeviceToLogicalXRel(w);
+}
+
+void wxGtkPrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
+ wxCoord *descent,
+ wxCoord *externalLeading,
+ const wxFont *theFont ) const
+{
+ if ( width )
+ *width = 0;
+ if ( height )
+ *height = 0;
+ if ( descent )
+ *descent = 0;
+ if ( externalLeading )
+ *externalLeading = 0;
+
+ if (string.empty())
+ {
+ return;
+ }
+
+ // Set layout's text
+ // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
+#if wxUSE_UNICODE_UTF8
+ const char *dataUTF8 = string.utf8_str();
+#else
+ const wxCharBuffer dataUTF8 = string.utf8_str();
+#endif
+
+ PangoFontDescription *desc = m_fontdesc;
+ if (theFont) desc = theFont->GetNativeFontInfo()->description;
+
+ gint oldSize = pango_font_description_get_size( desc );
+ double size = oldSize;
+ size = size * m_scaleY;
+ pango_font_description_set_size( desc, (gint)size );
+
+ // apply scaled font
+ pango_layout_set_font_description( m_layout, desc );
+
+ pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
+
+ int w, h;
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+
+ if (width)
+ *width = (wxCoord)(w / m_scaleX);
+ if (height)
+ *height = (wxCoord)(h / m_scaleY);
+ 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);
+ }
+
+ // Reset unscaled size.
+ pango_font_description_set_size( desc, oldSize );
+
+ // Reset unscaled font.
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+}
+
+void wxGtkPrintDC::DoGetSize(int* width, int* height) const
+{
+ if (width)
+ *width = (int) (gtk_print_context_get_width( m_gpc ) + 0.5);
+ if (height)
+ *height = (int) (gtk_print_context_get_height( m_gpc ) + 0.5);
+}
+
+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);
+
+ if (width)
+ *width = (int) (w + 0.5);
+ if (height)
+ *height = (int) (h + 0.5);
+}
+
+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 );
+}
+
+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;
+}
+
+int wxGtkPrintDC::GetResolution()
+{
+ return ms_resolution;
+}
+
+// ----------------------------------------------------------------------------
+// Print preview
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
+
+void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
+ wxPrintout * WXUNUSED(printoutForPrinting))
+{
+ DetermineScaling();
+}
+
+wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
+ wxPrintout *printoutForPrinting,
+ wxPrintDialogData *data)
+ : wxPrintPreviewBase(printout, printoutForPrinting, data)
+{
+ Init(printout, printoutForPrinting);
+}
+
+wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
+ wxPrintout *printoutForPrinting,
+ wxPrintData *data)
+ : wxPrintPreviewBase(printout, printoutForPrinting, data)
+{
+ Init(printout, printoutForPrinting);
+}
+
+wxGtkPrintPreview::~wxGtkPrintPreview()
+{
+}
+
+bool wxGtkPrintPreview::Print(bool interactive)
+{
+ if (!m_printPrintout)
+ return false;
+
+ wxPrinter printer(& m_printDialogData);
+ return printer.Print(m_previewFrame, m_printPrintout, interactive);
+}
+
+void wxGtkPrintPreview::DetermineScaling()
+{
+ wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
+
+ wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
+ if (!paper)
+ paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
+
+ if (paper)
+ {
+ wxSize ScreenPixels = wxGetDisplaySize();
+ wxSize ScreenMM = wxGetDisplaySizeMM();
+
+ m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
+ (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
+ m_previewPrintout->SetPPIPrinter(wxGtkPrintDC::GetResolution(), wxGtkPrintDC::GetResolution());
+ // 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);
+ wxSize sizeTenthsMM(paper->GetSize());
+ wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
+
+ // If in landscape mode, we need to swap the width and height.
+ if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
+ {
+ m_pageWidth = sizeDevUnits.y;
+ m_pageHeight = sizeDevUnits.x;
+ m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
+ }
+ else
+ {
+ m_pageWidth = sizeDevUnits.x;
+ m_pageHeight = sizeDevUnits.y;
+ m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
+ }
+ m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
+ 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_previewScaleY = m_previewScaleX;
+ }
+}
+
+#endif
+ // wxUSE_GTKPRINT
projects / wxWidgets.git / commitdiff
