///////////////////////////////////////////////////////////////////////////// // Name: src/gtk/print.cpp // Author: Anthony Bretaudeau // Purpose: GTK printing support // Created: 2007-08-25 // 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/dcprint.h" #include "wx/icon.h" #include "wx/math.h" #include "wx/image.h" #include "wx/module.h" #include "wx/crt.h" #endif #include "wx/fontutil.h" #include "wx/dynlib.h" #include "wx/paper.h" #include "wx/modalhook.h" #include #if GTK_CHECK_VERSION(2,14,0) #include #else #include #endif #include "wx/link.h" wxFORCE_LINK_THIS_MODULE(gtk_print) #include "wx/gtk/private/object.h" // Useful to convert angles from degrees to radians. static const double DEG2RAD = M_PI / 180.0; // Map wxPaperSize to GtkPaperSize names // Ordering must be the same as wxPaperSize enum static const char* const gs_paperList[] = { NULL, // wxPAPER_NONE "na_letter", // wxPAPER_LETTER "na_legal", // wxPAPER_LEGAL "iso_a4", // wxPAPER_A4 "na_c", // wxPAPER_CSHEET "na_d", // wxPAPER_DSHEET "na_e", // wxPAPER_ESHEET "na_letter", // wxPAPER_LETTERSMALL "na_ledger", // wxPAPER_TABLOID "na_ledger", // wxPAPER_LEDGER "na_invoice", // wxPAPER_STATEMENT "na_executive", // wxPAPER_EXECUTIVE "iso_a3", // wxPAPER_A3 "iso_a4", // wxPAPER_A4SMALL "iso_a5", // wxPAPER_A5 "jis_b4", // wxPAPER_B4 "B4 (JIS) 257 x 364 mm" "jis_b5", // wxPAPER_B5 "B5 (JIS) 182 x 257 mm" "om_folio", // wxPAPER_FOLIO "na_quarto", // wxPAPER_QUARTO "na_10x14", // wxPAPER_10X14 "na_ledger", // wxPAPER_11X17 "na_letter", // wxPAPER_NOTE "na_number-9", // wxPAPER_ENV_9 "na_number-10", // wxPAPER_ENV_10 "na_number-11", // wxPAPER_ENV_11 "na_number-12", // wxPAPER_ENV_12 "na_number-14", // wxPAPER_ENV_14 "iso_dl", // wxPAPER_ENV_DL "iso_c5", // wxPAPER_ENV_C5 "iso_c3", // wxPAPER_ENV_C3 "iso_c4", // wxPAPER_ENV_C4 "iso_c6", // wxPAPER_ENV_C6 "iso_c6c5", // wxPAPER_ENV_C65 "iso_b4", // wxPAPER_ENV_B4 "iso_b5", // wxPAPER_ENV_B5 "iso_b6", // wxPAPER_ENV_B6 "om_italian", // wxPAPER_ENV_ITALY "na_monarch", // wxPAPER_ENV_MONARCH "na_personal", // wxPAPER_ENV_PERSONAL "na_fanfold-us", // wxPAPER_FANFOLD_US "na_fanfold-eur", // wxPAPER_FANFOLD_STD_GERMAN "na_foolscap", // wxPAPER_FANFOLD_LGL_GERMAN "iso_b4", // wxPAPER_ISO_B4 "jpn_hagaki", // wxPAPER_JAPANESE_POSTCARD "na_9x11", // wxPAPER_9X11 "na_10x11", // wxPAPER_10X11 "na_11x15", // wxPAPER_15X11 "om_invite", // wxPAPER_ENV_INVITE "na_letter-extra", // wxPAPER_LETTER_EXTRA "na_legal-extra", // wxPAPER_LEGAL_EXTRA "na_arch-b", // wxPAPER_TABLOID_EXTRA "iso_a4-extra", // wxPAPER_A4_EXTRA "na_letter", // wxPAPER_LETTER_TRANSVERSE "iso_a4", // wxPAPER_A4_TRANSVERSE "na_letter-extra", // wxPAPER_LETTER_EXTRA_TRANSVERSE "na_super-a", // wxPAPER_A_PLUS "na_super-b", // wxPAPER_B_PLUS "na_letter-plus", // wxPAPER_LETTER_PLUS "om_folio", // wxPAPER_A4_PLUS "A4 Plus 210 x 330 mm" (no A4 Plus in PWG standard) "iso_a5", // wxPAPER_A5_TRANSVERSE "jis_b5", // wxPAPER_B5_TRANSVERSE "B5 (JIS) Transverse 182 x 257 mm" "iso_a3-extra", // wxPAPER_A3_EXTRA "iso_a5-extra", // wxPAPER_A5_EXTRA "iso_b5-extra", // wxPAPER_B5_EXTRA "iso_a2", // wxPAPER_A2 "iso_a3", // wxPAPER_A3_TRANSVERSE "iso_a3-extra", // wxPAPER_A3_EXTRA_TRANSVERSE "jpn_oufuku", // wxPAPER_DBL_JAPANESE_POSTCARD "iso_a6", // wxPAPER_A6 "jpn_kaku2", // wxPAPER_JENV_KAKU2 "jpn_kaku3_216x277mm", // wxPAPER_JENV_KAKU3 "jpn_chou3", // wxPAPER_JENV_CHOU3 "jpn_chou4", // wxPAPER_JENV_CHOU4 "na_letter", // wxPAPER_LETTER_ROTATED "iso_a3", // wxPAPER_A3_ROTATED "iso_a4", // wxPAPER_A4_ROTATED "iso_a5", // wxPAPER_A5_ROTATED "jis_b4", // wxPAPER_B4_JIS_ROTATED "jis_b5", // wxPAPER_B5_JIS_ROTATED "jpn_hagaki", // wxPAPER_JAPANESE_POSTCARD_ROTATED "jpn_oufuku", // wxPAPER_DBL_JAPANESE_POSTCARD_ROTATED "iso_a6", // wxPAPER_A6_ROTATED "jpn_kaku2", // wxPAPER_JENV_KAKU2_ROTATED "jpn_kaku3_216x277mm", // wxPAPER_JENV_KAKU3_ROTATED "jpn_chou3", // wxPAPER_JENV_CHOU3_ROTATED "jpn_chou4", // wxPAPER_JENV_CHOU4_ROTATED "jis_b6", // wxPAPER_B6_JIS "jis_b6", // wxPAPER_B6_JIS_ROTATED "na_11x12", // wxPAPER_12X11 "jpn_you4", // wxPAPER_JENV_YOU4 "jpn_you4", // wxPAPER_JENV_YOU4_ROTATED "prc_16k", // wxPAPER_P16K "prc_32k", // wxPAPER_P32K "prc_32k", // wxPAPER_P32KBIG "prc_1", // wxPAPER_PENV_1 "prc_2", // wxPAPER_PENV_2 "prc_3", // wxPAPER_PENV_3 "prc_4", // wxPAPER_PENV_4 "prc_5", // wxPAPER_PENV_5 "prc_6", // wxPAPER_PENV_6 "prc_7", // wxPAPER_PENV_7 "prc_8", // wxPAPER_PENV_8 "prc_9", // wxPAPER_PENV_9 "prc_10", // wxPAPER_PENV_10 "prc_16k", // wxPAPER_P16K_ROTATED "prc_32k", // wxPAPER_P32K_ROTATED "prc_32k", // wxPAPER_P32KBIG_ROTATED "prc_1", // wxPAPER_PENV_1_ROTATED "prc_2", // wxPAPER_PENV_2_ROTATED "prc_3", // wxPAPER_PENV_3_ROTATED "prc_4", // wxPAPER_PENV_4_ROTATED "prc_5", // wxPAPER_PENV_5_ROTATED "prc_6", // wxPAPER_PENV_6_ROTATED "prc_7", // wxPAPER_PENV_7_ROTATED "prc_8", // wxPAPER_PENV_8_ROTATED "prc_9", // wxPAPER_PENV_9_ROTATED "prc_10", // wxPAPER_PENV_10_ROTATED "iso_a0", // wxPAPER_A0 "iso_a1" // wxPAPER_A1 }; static GtkPaperSize* wxGetGtkPaperSize(wxPaperSize paperId, const wxSize& size) { // if wxPaperSize is valid, get corresponding GtkPaperSize if (paperId > 0 && size_t(paperId) < WXSIZEOF(gs_paperList)) return gtk_paper_size_new(gs_paperList[paperId]); // if size is not valid, use a default GtkPaperSize if (size.x < 1 || size.y < 1) return gtk_paper_size_new(gtk_paper_size_get_default()); #if GTK_CHECK_VERSION(2,12,0) #ifndef __WXGTK3__ if (gtk_check_version(2,12,0) == NULL) #endif { // look for a size match in GTK's GtkPaperSize list const double w = size.x; const double h = size.y; GtkPaperSize* paperSize = NULL; GList* list = gtk_paper_size_get_paper_sizes(true); for (GList* p = list; p; p = p->next) { GtkPaperSize* paperSize2 = static_cast(p->data); if (paperSize == NULL && fabs(w - gtk_paper_size_get_width(paperSize2, GTK_UNIT_MM)) < 1 && fabs(h - gtk_paper_size_get_height(paperSize2, GTK_UNIT_MM)) < 1) { paperSize = paperSize2; } else gtk_paper_size_free(paperSize2); } g_list_free(list); if (paperSize) return paperSize; } #endif // GTK >= 2.12 // last resort, use a custom GtkPaperSize const wxString title = _("Custom size"); char name[40]; g_snprintf(name, sizeof(name), "custom_%ux%u", size.x, size.y); return gtk_paper_size_new_custom( name, title.utf8_str(), size.x, size.y, GTK_UNIT_MM); } //---------------------------------------------------------------------------- // wxGtkPrintModule // Initialized when starting the app : if it successfully load the gtk-print framework, // it uses it. If not, it falls back to Postscript. //---------------------------------------------------------------------------- class wxGtkPrintModule: public wxModule { public: wxGtkPrintModule() { } bool OnInit(); void OnExit() {} private: DECLARE_DYNAMIC_CLASS(wxGtkPrintModule) }; bool wxGtkPrintModule::OnInit() { #ifndef __WXGTK3__ if (gtk_check_version(2,10,0) == NULL) #endif { wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory ); } return true; } 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 * WXUNUSED(parent), wxPrintData * WXUNUSED(data)) { return NULL; } wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data ) { return new wxGtkPrinterDCImpl( owner, 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 objects to GTK printing callback functions. struct wxPrinterToGtkData { wxGtkPrinter * printer; wxPrintout * printout; }; 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 * WXUNUSED(operation), GtkPrintContext * WXUNUSED(context), gpointer user_data) { wxPrintout *printout = (wxPrintout *) user_data; printout->OnEndPrinting(); } } //---------------------------------------------------------------------------- // wxGtkPrintNativeData //---------------------------------------------------------------------------- IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase) wxGtkPrintNativeData::wxGtkPrintNativeData() { m_config = gtk_print_settings_new(); m_job = NULL; m_context = NULL; } wxGtkPrintNativeData::~wxGtkPrintNativeData() { g_object_unref(m_config); } void wxGtkPrintNativeData::SetPrintJob(GtkPrintOperation* job) { m_job = job; #if GTK_CHECK_VERSION(2,18,0) if (job) { #ifndef __WXGTK3__ if (gtk_check_version(2,18,0) == NULL) #endif { gtk_print_operation_set_embed_page_setup(job, true); } } #endif } // Convert datas stored in m_config to a wxPrintData. // Called by wxPrintData::ConvertFromNative(). bool wxGtkPrintNativeData::TransferTo( wxPrintData &data ) { if(!m_config) return false; int resolution = gtk_print_settings_get_resolution(m_config); if ( resolution > 0 ) { // if resolution is explicitly set, use it data.SetQuality(resolution); } else // use more vague "quality" { 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) != 0); 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) != 0); wxPaperSize paperId = wxPAPER_NONE; GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config); if (paper_size) { const char* name = gtk_paper_size_get_name(paper_size); for (size_t i = 1; i < WXSIZEOF(gs_paperList); i++) { if (strcmp(name, gs_paperList[i]) == 0) { paperId = static_cast(i); break; } } if (paperId == wxPAPER_NONE) { // look for a size match in wxThePrintPaperDatabase const wxSize size( int(10 * gtk_paper_size_get_width(paper_size, GTK_UNIT_MM)), int(10 * gtk_paper_size_get_height(paper_size, GTK_UNIT_MM))); paperId = wxThePrintPaperDatabase->GetSize(size); // if no match, set custom size if (paperId == wxPAPER_NONE) data.SetPaperSize(size); } gtk_paper_size_free(paper_size); } data.SetPaperId(paperId); data.SetPrinterName(gtk_print_settings_get_printer(m_config)); 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()); GtkPaperSize* paperSize = wxGetGtkPaperSize(data.GetPaperId(), data.GetPaperSize()); gtk_print_settings_set_paper_size(m_config, paperSize); gtk_paper_size_free(paperSize); gtk_print_settings_set_printer(m_config, data.GetPrinterName().utf8_str()); 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); gtk_paper_size_free(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); const wxPrintData& printData = m_printDialogData.GetPrintData(); wxGtkPrintNativeData* native = static_cast(printData.GetNativeData()); native->SetPrintJob(gtk_print_operation_new()); } 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); const wxPrintData& printData = m_printDialogData.GetPrintData(); wxGtkPrintNativeData* native = static_cast(printData.GetNativeData()); native->SetPrintJob(gtk_print_operation_new()); } wxGtkPrintDialog::~wxGtkPrintDialog() { const wxPrintData& printData = m_printDialogData.GetPrintData(); wxGtkPrintNativeData* native = static_cast(printData.GetNativeData()); GtkPrintOperation* printOp = native->GetPrintJob(); g_object_unref(printOp); native->SetPrintJob(NULL); } // This is called even if we actually don't want the dialog to appear. int wxGtkPrintDialog::ShowModal() { WX_HOOK_MODAL_DIALOG(); // 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.start = fromPage - 1; range.end = (toPage >= fromPage) ? toPage - 1 : fromPage - 1; gtk_print_settings_set_page_ranges(settings, &range, 1); } GtkPrintOperation * const printOp = native->GetPrintJob(); // If the settings are OK, we restore it. if (settings != NULL) gtk_print_operation_set_print_settings (printOp, settings); gtk_print_operation_set_default_page_setup (printOp, native->GetPageSetupFromSettings(settings)); // Show the dialog if needed. GError* gError = NULL; GtkPrintOperationResult response = gtk_print_operation_run ( printOp, GetShowDialog() ? GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG : GTK_PRINT_OPERATION_ACTION_PRINT, m_parent ? GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget)) : NULL, &gError ); // Does everything went well? if (response == GTK_PRINT_OPERATION_RESULT_CANCEL) { return wxID_CANCEL; } else if (response == GTK_PRINT_OPERATION_RESULT_ERROR) { wxLogError(_("Error while printing: ") + wxString(gError ? gError->message : "???")); g_error_free (gError); 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(printOp); native->SetPrintConfig(newSettings); data.ConvertFromNative(); // Set PrintDialogData variables m_printDialogData.SetPrintData(data); m_printDialogData.SetCollate(data.GetCollate()); m_printDialogData.SetNoCopies(data.GetNoCopies()); m_printDialogData.SetPrintToFile(data.GetPrinterName() == "Print to File"); // 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_RANGES: {// 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); if (num_ranges >= 1) { m_printDialogData.SetFromPage( range[0].start ); m_printDialogData.SetToPage( range[0].end ); g_free(range); } 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; } 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() { WX_HOOK_MODAL_DIALOG(); // 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. wxPaperSize paperId = m_pageDialogData.GetPrintData().GetPaperId(); if (paperId == wxPAPER_NONE) { wxSize customPaperSize = m_pageDialogData.GetPaperSize(); if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0) { GtkPaperSize* customSize = wxGetGtkPaperSize(paperId, customPaperSize); gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize); gtk_paper_size_free(customSize); } } // Set selected printer gtk_print_settings_set(nativeData, "format-for-printer", gtk_print_settings_get_printer(nativeData)); // Create custom dialog wxString title(GetTitle()); if ( title.empty() ) title = _("Page Setup"); GtkWidget * dlg = gtk_page_setup_unix_dialog_new(title.utf8_str(), m_parent ? GTK_WINDOW(m_parent->m_widget) : NULL); gtk_page_setup_unix_dialog_set_print_settings( GTK_PAGE_SETUP_UNIX_DIALOG(dlg), nativeData); gtk_page_setup_unix_dialog_set_page_setup( GTK_PAGE_SETUP_UNIX_DIALOG(dlg), oldPageSetup); int result = gtk_dialog_run(GTK_DIALOG(dlg)); gtk_widget_hide(dlg); switch ( result ) { case GTK_RESPONSE_OK: case GTK_RESPONSE_APPLY: { // Store Selected Printer Name gtk_print_settings_set_printer ( nativeData, gtk_print_settings_get(nativeData, "format-for-printer") ); wxGtkObject newPageSetup(gtk_page_setup_unix_dialog_get_page_setup( GTK_PAGE_SETUP_UNIX_DIALOG(dlg))); 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))); } result = wxID_OK; } break; default: case GTK_RESPONSE_CANCEL: result = wxID_CANCEL; break; } gtk_widget_destroy(dlg); return result; } //---------------------------------------------------------------------------- // wxGtkPrinter //---------------------------------------------------------------------------- IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase) wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) : wxPrinterBase( data ) { m_gpc = NULL; m_dc = 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(); // wxGtkPrintDialog needs to be created first as it creates the PrintOp wxGtkPrintDialog dialog(parent, &m_printDialogData); GtkPrintOperation* printOp = native->GetPrintJob(); wxPrinterToGtkData dataToSend; dataToSend.printer = this; dataToSend.printout = printout; // These Gtk signals are caught 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); // This is used to setup the DC and // show the dialog if desired dialog.SetPrintDC(m_dc); dialog.SetShowDialog(prompt); // doesn't necessarily show int ret = dialog.ShowModal(); if (ret == wxID_CANCEL) { sm_lastError = wxPRINTER_CANCELLED; } if (ret == wxID_NO) { sm_lastError = wxPRINTER_ERROR; } return (sm_lastError == wxPRINTER_NO_ERROR); } void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context) { wxPrintData printdata = GetPrintDialogData().GetPrintData(); wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData(); // We need to update printdata with the new data from the dialog and we // have to do this here because this method needs this new data and we // cannot update it earlier native->SetPrintConfig(gtk_print_operation_get_print_settings(operation)); printdata.ConvertFromNative(); SetPrintContext(context); native->SetPrintContext( context ); wxPrinterDC *printDC = new wxPrinterDC( printdata ); m_dc = printDC; if (!m_dc->IsOk()) { if (sm_lastError != wxPRINTER_CANCELLED) { sm_lastError = wxPRINTER_ERROR; wxFAIL_MSG("The wxGtkPrinterDC cannot be used."); } return; } printout->SetPPIScreen(wxGetDisplayPPI()); printout->SetPPIPrinter( printDC->GetResolution(), printDC->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 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; } if (range) { gtk_print_settings_set_page_ranges(settings, range, 1); g_free(range); } 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 * WXUNUSED(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(G_OBJECT(operation), "current-page", &startPage, NULL); endPage = startPage; 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. if (num_ranges >= 1) { startPage = range[0].start + 1; endPage = range[0].end + 1; g_free(range); } else { startPage = minPage; endPage = maxPage; } 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 ); dialog.SetPrintDC(m_dc); dialog.SetShowDialog(true); int ret = dialog.ShowModal(); if (ret == wxID_CANCEL) { sm_lastError = wxPRINTER_CANCELLED; return NULL; } if (ret == wxID_NO) { sm_lastError = wxPRINTER_ERROR; return NULL; } m_printDialogData = dialog.GetPrintDialogData(); return new wxPrinterDC( m_printDialogData.GetPrintData() ); } bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) ) { // Obsolete, for backward compatibility. return false; } //----------------------------------------------------------------------------- // wxGtkPrinterDC //----------------------------------------------------------------------------- #define wxCAIRO_SCALE 1 #if wxCAIRO_SCALE #define XLOG2DEV(x) LogicalToDeviceX(x) #define XLOG2DEVREL(x) LogicalToDeviceXRel(x) #define YLOG2DEV(x) LogicalToDeviceY(x) #define YLOG2DEVREL(x) LogicalToDeviceYRel(x) #else #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) #endif IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl) wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data) : wxDCImpl( owner ) { m_printData = data; wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_printData.GetNativeData(); m_gpc = native->GetPrintContext(); // Match print quality to resolution (high = 1200dpi) 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; 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 ); #if wxCAIRO_SCALE m_PS2DEV = 1.0; m_DEV2PS = 1.0; #else m_PS2DEV = (double)m_resolution / 72.0; m_DEV2PS = 72.0 / (double)m_resolution; #endif m_currentRed = 0; m_currentBlue = 0; m_currentGreen = 0; m_currentAlpha = 0; m_signX = 1; // default x-axis left to right. m_signY = 1; // default y-axis bottom up -> top down. } wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl() { g_object_unref(m_context); g_object_unref(m_layout); } bool wxGtkPrinterDCImpl::IsOk() const { return m_gpc != NULL; } void* wxGtkPrinterDCImpl::GetCairoContext() const { return m_cairo; } void* wxGtkPrinterDCImpl::GetHandle() const { return GetCairoContext(); } bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), const wxColour& WXUNUSED(col), wxFloodFillStyle WXUNUSED(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 wxGtkPrinterDCImpl::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; const double r2 = (w/2)*(w/2)+(h/2)*(h/2); double radius = sqrt(r2); 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 (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS ); 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, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) ); cairo_fill(m_cairo); cairo_pattern_destroy(gradient); CalcBoundingBox(xR, yR); CalcBoundingBox(xR+w, yR+h); } void wxGtkPrinterDCImpl::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 (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(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, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) ); cairo_fill(m_cairo); cairo_pattern_destroy(gradient); CalcBoundingBox(x, y); CalcBoundingBox(x+w, y+h); } bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour * WXUNUSED(col)) const { wxFAIL_MSG("not implemented"); return false; } void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) { if ( m_pen.IsTransparent() ) return; SetPen( m_pen ); cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) ); cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) ); cairo_stroke ( m_cairo ); CalcBoundingBox( x1, y1 ); CalcBoundingBox( x2, y2 ); } void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y) { int w, h; DoGetSize(&w, &h); SetPen(m_pen); cairo_move_to (m_cairo, XLOG2DEV(x), 0); cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h)); cairo_move_to (m_cairo, 0, YLOG2DEV(y)); cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y)); cairo_stroke (m_cairo); CalcBoundingBox( 0, 0 ); CalcBoundingBox( w, h ); } void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc) { const double dx1 = x1 - xc; const double dy1 = y1 - yc; const double radius = sqrt(dx1*dx1 + dy1*dy1); if ( radius == 0.0 ) return; double alpha1, alpha2; if ( x1 == x2 && y1 == y2 ) { alpha1 = 0.0; alpha2 = 2*M_PI; } else { alpha1 = atan2(dy1, dx1); alpha2 = atan2(double(y2-yc), double(x2-xc)); } cairo_new_path(m_cairo); // We use the "negative" variant because the arc should go counterclockwise // while in the default coordinate system, with Y axis going down, Cairo // counts angles in the direction from positive X axis direction to // positive Y axis direction, i.e. clockwise. cairo_arc_negative(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL(wxRound(radius)), alpha1, alpha2); if ( m_brush.IsNonTransparent() ) { cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(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 wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) { cairo_save( m_cairo ); cairo_new_path(m_cairo); cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) ); double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w); cairo_scale( m_cairo, 1.0, scale ); cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(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 wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y) { if ( m_pen.IsTransparent() ) return; SetPen( m_pen ); cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) ); cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) ); cairo_stroke ( m_cairo ); CalcBoundingBox( x, y ); } void wxGtkPrinterDCImpl::DoDrawLines(int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset) { if ( m_pen.IsTransparent() ) return; if (n <= 0) return; SetPen (m_pen); int i; for ( i =0; i 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,XLOG2DEV(x + rad),YLOG2DEV(y)); cairo_curve_to(m_cairo, XLOG2DEV(x + rad),YLOG2DEV(y), XLOG2DEV(x),YLOG2DEV(y), XLOG2DEV(x),YLOG2DEV(y + rad)); cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad)); cairo_curve_to(m_cairo, XLOG2DEV(x),YLOG2DEV(y + height - rad), XLOG2DEV(x),YLOG2DEV(y + height), XLOG2DEV(x + rad),YLOG2DEV(y + height)); cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height)); cairo_curve_to(m_cairo, XLOG2DEV(x + width - rad),YLOG2DEV(y + height), XLOG2DEV(x + width),YLOG2DEV(y + height), XLOG2DEV(x + width),YLOG2DEV(y + height - rad)); cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad)); cairo_curve_to(m_cairo, XLOG2DEV(x + width),YLOG2DEV(y + rad), XLOG2DEV(x + width),YLOG2DEV(y), XLOG2DEV(x + width - rad),YLOG2DEV(y)); cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(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 wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { width--; height--; cairo_save (m_cairo); cairo_new_path(m_cairo); cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.))); cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width)); cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(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 wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points) { SetPen (m_pen); double c, d, x1, y1, x2, y2, x3, y3; wxPoint *p, *q; wxPointList::compatibility_iterator node = points->GetFirst(); p = node->GetData(); x1 = p->x; y1 = p->y; node = node->GetNext(); p = 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, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) ); cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) ); CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 ); CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 ); node = node->GetNext(); while (node) { q = 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, 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 ); node = node->GetNext(); } cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) ); cairo_stroke( m_cairo ); } #endif // wxUSE_SPLINES bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, wxCoord xsrc, wxCoord ysrc, wxRasterOperationMode rop, bool useMask, wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask), wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask)) { wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord, wxT("mask coordinates are not supported") ); 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. GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask ); return true; } void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y ) { DoDrawBitmap( icon, x, y, true ); } void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask ) { wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap")); x = wxCoord(XLOG2DEV(x)); y = wxCoord(YLOG2DEV(y)); int bw = bitmap.GetWidth(); int bh = bitmap.GetHeight(); #ifndef __WXGTK3__ wxBitmap bmpSource = bitmap; // we need a non-const instance. if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask()) bmpSource.SetMask(NULL); #endif cairo_save(m_cairo); // Prepare to draw the image. cairo_translate(m_cairo, x, y); // Scale the image wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw; wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh; cairo_scale(m_cairo, scaleX, scaleY); #ifdef __WXGTK3__ bitmap.Draw(m_cairo, 0, 0, useMask, &m_textForegroundColour, &m_textBackgroundColour); #else gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0); cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST); // 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); #endif CalcBoundingBox(0,0); CalcBoundingBox(bw,bh); cairo_restore(m_cairo); } void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y ) { DoDrawRotatedText( text, x, y, 0.0 ); } void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) { double xx = XLOG2DEV(x); double yy = YLOG2DEV(y); angle = -angle; const wxScopedCharBuffer data = text.utf8_str(); pango_layout_set_text(m_layout, data, data.length()); const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout); if (m_textForegroundColour.IsOk()) { 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; } } // Draw layout. cairo_move_to (m_cairo, xx, yy); cairo_save( m_cairo ); if (fabs(angle) > 0.00001) cairo_rotate( m_cairo, angle*DEG2RAD ); cairo_scale(m_cairo, m_scaleX, m_scaleY); int w,h; pango_layout_get_pixel_size( m_layout, &w, &h ); if ( m_backgroundMode == wxBRUSHSTYLE_SOLID ) { 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_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS ); cairo_rectangle(m_cairo, 0, 0, w, h); // still in cairo units cairo_fill(m_cairo); cairo_restore(m_cairo); } pango_cairo_update_layout (m_cairo, m_layout); pango_cairo_show_layout (m_cairo, m_layout); cairo_restore( m_cairo ); if (setAttrs) { // Undo underline attributes setting pango_layout_set_attributes(m_layout, NULL); } // Back to device units: CalcBoundingBox (x, y); CalcBoundingBox (x + w, y + h); } void wxGtkPrinterDCImpl::Clear() { // Clear does nothing for printing, but keep the code // for later reuse /* cairo_save(m_cairo); cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE); SetBrush(m_backgroundBrush); cairo_paint(m_cairo); cairo_restore(m_cairo); */ } void wxGtkPrinterDCImpl::SetFont( const wxFont& font ) { m_font = font; if (m_font.IsOk()) { if (m_fontdesc) pango_font_description_free( m_fontdesc ); m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description ); float size = pango_font_description_get_size( m_fontdesc ); size = size * GetFontPointSizeAdjustment(72.0); pango_font_description_set_size( m_fontdesc, (gint)size ); pango_layout_set_font_description( m_layout, m_fontdesc ); } } void wxGtkPrinterDCImpl::SetPen( const wxPen& pen ) { if (!pen.IsOk()) return; m_pen = pen; double width; if (m_pen.GetWidth() <= 0) width = 0.1; else width = (double) m_pen.GetWidth(); cairo_set_line_width( m_cairo, width * m_DEV2PS * 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}; static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0}; switch (m_pen.GetStyle()) { case wxPENSTYLE_DOT: cairo_set_dash( m_cairo, dotted, 2, 0 ); break; case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break; case wxPENSTYLE_LONG_DASH: cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break; case wxPENSTYLE_DOT_DASH: cairo_set_dash( m_cairo, dotted_dashed, 4, 0 ); break; case wxPENSTYLE_USER_DASH: { wxDash *wx_dashes; int num = m_pen.GetDashes (&wx_dashes); 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 wxPENSTYLE_SOLID: case wxPENSTYLE_TRANSPARENT: 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 wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush ) { if (!brush.IsOk()) return; m_brush = brush; if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT) { 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(); 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 wxBRUSHSTYLE_CROSS_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 wxBRUSHSTYLE_BDIAGONAL_HATCH: cairo_move_to(cr, 0, 10); cairo_line_to(cr, 10, 0); break; case wxBRUSHSTYLE_FDIAGONAL_HATCH: cairo_move_to(cr, 0, 0); cairo_line_to(cr, 10, 10); break; case wxBRUSHSTYLE_CROSSDIAG_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 wxBRUSHSTYLE_HORIZONTAL_HATCH: cairo_move_to(cr, 0, 5); cairo_line_to(cr, 10, 5); break; case wxBRUSHSTYLE_VERTICAL_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 wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode 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 wxGtkPrinterDCImpl::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 wxGtkPrinterDCImpl::SetBackgroundMode(int mode) { if (mode == wxBRUSHSTYLE_SOLID) m_backgroundMode = wxBRUSHSTYLE_SOLID; else m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT; } void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height)); cairo_clip(m_cairo); wxDCImpl::DoSetClippingRegion(x, y, width, height); } void wxGtkPrinterDCImpl::DestroyClippingRegion() { cairo_reset_clip(m_cairo); wxDCImpl::DestroyClippingRegion(); } bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message)) { return true; } void wxGtkPrinterDCImpl::EndDoc() { return; } void wxGtkPrinterDCImpl::StartPage() { // Notice that we may change the Cairo transformation matrix only here and // not before (e.g. in wxGtkPrinterDCImpl ctor as we used to do) in order // to not affect _gtk_print_context_rotate_according_to_orientation() which // is used in GTK+ itself and wouldn't work correctly if we applied these // transformations before it is called. // By default the origin of the Cairo context 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 (without 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); cairo_translate(m_cairo, -ml, -mt); #if wxCAIRO_SCALE cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution ); #endif } void wxGtkPrinterDCImpl::EndPage() { return; } wxCoord wxGtkPrinterDCImpl::GetCharHeight() const { pango_layout_set_text( m_layout, "H", 1 ); int w,h; pango_layout_get_pixel_size( m_layout, &w, &h ); return wxRound( h * m_PS2DEV ); } wxCoord wxGtkPrinterDCImpl::GetCharWidth() const { pango_layout_set_text( m_layout, "H", 1 ); int w,h; pango_layout_get_pixel_size( m_layout, &w, &h ); return wxRound( w * m_PS2DEV ); } void wxGtkPrinterDCImpl::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; } cairo_save( m_cairo ); cairo_scale(m_cairo, m_scaleX, m_scaleY); // Set layout's text const wxScopedCharBuffer dataUTF8 = string.utf8_str(); gint oldSize=0; if ( theFont ) { // scale the font and apply it PangoFontDescription *desc = theFont->GetNativeFontInfo()->description; oldSize = pango_font_description_get_size(desc); const float size = oldSize * GetFontPointSizeAdjustment(72.0); pango_font_description_set_size(desc, (gint)size); pango_layout_set_font_description(m_layout, desc); } pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) ); int h; pango_layout_get_pixel_size( m_layout, width, &h ); if ( height ) *height = h; 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); } if ( theFont ) { // restore font and reset font's size back pango_layout_set_font_description(m_layout, m_fontdesc); PangoFontDescription *desc = theFont->GetNativeFontInfo()->description; pango_font_description_set_size(desc, oldSize); } cairo_restore( m_cairo ); } void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const { GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc ); if (width) *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 ); if (height) *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 ); } void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const { GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc ); if (width) *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) ); if (height) *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) ); } wxSize wxGtkPrinterDCImpl::GetPPI() const { return wxSize( (int)m_resolution, (int)m_resolution ); } void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data) { m_printData = data; } // overridden for wxPrinterDC Impl wxRect wxGtkPrinterDCImpl::GetPaperRect() const { // Does GtkPrint support printer margins? int w = 0; int h = 0; DoGetSize( &w, &h ); return wxRect( 0,0,w,h ); } int wxGtkPrinterDCImpl::GetResolution() const { return m_resolution; } // ---------------------------------------------------------------------------- // Print preview // ---------------------------------------------------------------------------- IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase) void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout), wxPrintout * WXUNUSED(printoutForPrinting), wxPrintData *data) { // convert wxPrintQuality to resolution (input pointer can be NULL) wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM; switch ( quality ) { case wxPRINT_QUALITY_HIGH: m_resolution = 1200; break; case wxPRINT_QUALITY_LOW: m_resolution = 300; break; case wxPRINT_QUALITY_DRAFT: m_resolution = 150; break; default: if ( quality > 0 ) { // positive values directly indicate print resolution m_resolution = quality; break; } wxFAIL_MSG( "unknown print quality" ); // fall through case wxPRINT_QUALITY_MEDIUM: m_resolution = 600; break; } DetermineScaling(); } wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintDialogData *data) : wxPrintPreviewBase(printout, printoutForPrinting, data) { Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL); } wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data) : wxPrintPreviewBase(printout, printoutForPrinting, data) { Init(printout, printoutForPrinting, data); } 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) { const wxSize screenPPI = wxGetDisplayPPI(); int logPPIScreenX = screenPPI.GetWidth(); int logPPIScreenY = screenPPI.GetHeight(); int logPPIPrinterX = m_resolution; int logPPIPrinterY = m_resolution; m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY ); m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY ); // Get width and height in points (1/72th of an inch) wxSize sizeDevUnits(paper->GetSizeDeviceUnits()); sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0); sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 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(logPPIScreenX) / logPPIPrinterX; m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY; } } #endif // wxUSE_GTKPRINT