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cf509a9038c95c541f4080f2592924e82577af3f
wxWidgets/src/gtk/print.cpp
Robert Roebling cf509a9038 Removed run-time dependency on libpangocairo 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48593 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2007-09-06 17:56:09 +00:00

2418 lines
87 KiB
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/////////////////////////////////////////////////////////////////////////////
// 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;
static wxCairoLibrary* gs_cairo = NULL;
//----------------------------------------------------------------------------
// 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()
{
gs_cairo = wxCairoLibrary::Get();
if (gs_cairo && gtk_check_version(2,10,0) == NULL)
wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
return true;
}
void wxGtkPrintModule::OnExit()
{
delete gs_cairo;
}
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;
gs_cairo->cairo_translate(m_cairo, m_deviceOriginX, m_deviceOriginY);
gs_cairo->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 = gs_cairo->cairo_pattern_create_radial (LogicalToDeviceX(xC+xR), LogicalToDeviceY(yC+yR), 0, LogicalToDeviceX(xC+xR), LogicalToDeviceY(yC+yR), radius);
gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
// Fill the rectangle with this pattern.
gs_cairo->cairo_set_source(m_cairo, gradient);
gs_cairo->cairo_rectangle (m_cairo, LogicalToDeviceX(xR), LogicalToDeviceY(yR), LogicalToDeviceXRel(w), LogicalToDeviceYRel(h) );
gs_cairo->cairo_fill(m_cairo);
gs_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 = gs_cairo->cairo_pattern_create_linear (LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceX(x+w), LogicalToDeviceY(y));
if (nDirection == wxWEST)
{
gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
}
else {
gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
}
// Fill the rectangle with this pattern.
gs_cairo->cairo_set_source(m_cairo, gradient);
gs_cairo->cairo_rectangle (m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(w), LogicalToDeviceYRel(h) );
gs_cairo->cairo_fill(m_cairo);
gs_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 );
gs_cairo->cairo_move_to ( m_cairo, LogicalToDeviceX(x1), LogicalToDeviceY(y1) );
gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX(x2), LogicalToDeviceY(y2) );
gs_cairo->cairo_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);
gs_cairo->cairo_move_to (m_cairo, LogicalToDeviceX(x), 0);
gs_cairo->cairo_line_to (m_cairo, LogicalToDeviceX(x), *h);
gs_cairo->cairo_move_to (m_cairo, 0, LogicalToDeviceY(y));
gs_cairo->cairo_line_to (m_cairo, *w, LogicalToDeviceY(y));
gs_cairo->cairo_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;
gs_cairo->cairo_arc_negative ( m_cairo, LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel((int)radius), alpha1, alpha2);
gs_cairo->cairo_line_to(m_cairo, LogicalToDeviceX(xc), LogicalToDeviceY(yc));
gs_cairo->cairo_close_path (m_cairo);
SetBrush( m_brush );
gs_cairo->cairo_fill_preserve( m_cairo );
SetPen (m_pen);
gs_cairo->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)
{
gs_cairo->cairo_save( m_cairo );
gs_cairo->cairo_translate( m_cairo, LogicalToDeviceX((wxCoord) (x + w / 2.)), LogicalToDeviceX((wxCoord) (y + h / 2.)) );
double scale = (double)LogicalToDeviceYRel(h) / (double) LogicalToDeviceXRel(w);
gs_cairo->cairo_scale( m_cairo, 1.0, scale );
gs_cairo->cairo_arc_negative ( m_cairo, 0, 0, LogicalToDeviceXRel(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
SetPen (m_pen);
gs_cairo->cairo_stroke_preserve( m_cairo );
gs_cairo->cairo_line_to(m_cairo, 0,0);
SetBrush( m_brush );
gs_cairo->cairo_fill( m_cairo );
gs_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 );
gs_cairo->cairo_move_to ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
gs_cairo->cairo_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);
gs_cairo->cairo_move_to ( m_cairo, LogicalToDeviceX(points[0].x+xoffset), LogicalToDeviceY(points[0].y+yoffset) );
for (i = 1; i < n; i++)
gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset) );
gs_cairo->cairo_stroke ( m_cairo);
}
void wxGtkPrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
{
if (n==0) return;
gs_cairo->cairo_save(m_cairo);
if (fillStyle == wxWINDING_RULE)
gs_cairo->cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
else
gs_cairo->cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
int x = points[0].x + xoffset;
int y = points[0].y + yoffset;
gs_cairo->cairo_new_path(m_cairo);
gs_cairo->cairo_move_to( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
int i;
for (i = 1; i < n; i++)
{
int x = points[i].x + xoffset;
int y = points[i].y + yoffset;
gs_cairo->cairo_line_to( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y) );
}
gs_cairo->cairo_close_path(m_cairo);
SetBrush( m_brush );
gs_cairo->cairo_fill_preserve( m_cairo );
SetPen (m_pen);
gs_cairo->cairo_stroke( m_cairo );
CalcBoundingBox( x, y );
gs_cairo->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)
{
gs_cairo->cairo_rectangle ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(width), LogicalToDeviceYRel(height));
SetBrush( m_brush );
gs_cairo->cairo_fill_preserve( m_cairo );
SetPen (m_pen);
gs_cairo->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;
gs_cairo->cairo_new_path(m_cairo);
gs_cairo->cairo_move_to(m_cairo,LogicalToDeviceX(x + rad),LogicalToDeviceY(y));
gs_cairo->cairo_curve_to(m_cairo,
LogicalToDeviceX(x + rad),LogicalToDeviceY(y),
LogicalToDeviceX(x),LogicalToDeviceY(y),
LogicalToDeviceX(x),LogicalToDeviceY(y + rad));
gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x),LogicalToDeviceY(y + height - rad));
gs_cairo->cairo_curve_to(m_cairo,
LogicalToDeviceX(x),LogicalToDeviceY(y + height - rad),
LogicalToDeviceX(x),LogicalToDeviceY(y + height),
LogicalToDeviceX(x + rad),LogicalToDeviceY(y + height));
gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y + height));
gs_cairo->cairo_curve_to(m_cairo,
LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y + height),
LogicalToDeviceX(x + width),LogicalToDeviceY(y + height),
LogicalToDeviceX(x + width),LogicalToDeviceY(y + height - rad));
gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x + width),LogicalToDeviceY(y + rad));
gs_cairo->cairo_curve_to(m_cairo,
LogicalToDeviceX(x + width),LogicalToDeviceY(y + rad),
LogicalToDeviceX(x + width),LogicalToDeviceY(y),
LogicalToDeviceX(x + width - rad),LogicalToDeviceY(y));
gs_cairo->cairo_line_to(m_cairo,LogicalToDeviceX(x + rad),LogicalToDeviceY(y));
gs_cairo->cairo_close_path(m_cairo);
SetBrush(m_brush);
gs_cairo->cairo_fill_preserve(m_cairo);
SetPen(m_pen);
gs_cairo->cairo_stroke(m_cairo);
CalcBoundingBox(x,y);
CalcBoundingBox(x+width,y+height);
}
void wxGtkPrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
gs_cairo->cairo_save (m_cairo);
gs_cairo->cairo_translate (m_cairo, LogicalToDeviceX((wxCoord) (x + width / 2.)), LogicalToDeviceY((wxCoord) (y + height / 2.)));
gs_cairo->cairo_scale(m_cairo, 1, (double)LogicalToDeviceYRel(height)/(double)LogicalToDeviceXRel(width));
gs_cairo->cairo_arc ( m_cairo, 0, 0, LogicalToDeviceXRel(width/2), 0, 2 * M_PI);
SetBrush( m_brush );
gs_cairo->cairo_fill_preserve( m_cairo );
SetPen (m_pen);
gs_cairo->cairo_stroke( m_cairo );
CalcBoundingBox( x, y );
CalcBoundingBox( x + width, y + height );
gs_cairo->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;
gs_cairo->cairo_new_path( m_cairo );
gs_cairo->cairo_move_to( m_cairo, LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1) );
gs_cairo->cairo_line_to( m_cairo, LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
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;
gs_cairo->cairo_curve_to(m_cairo,
LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
node = node->GetNext();
}
gs_cairo->cairo_line_to ( m_cairo, LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
gs_cairo->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 = gs_cairo->cairo_image_surface_create_for_data(
buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4);
wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
wxAlphaPixelData::Iterator p(pixData);
int y, x;
for (y=0; 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 = gs_cairo->cairo_image_surface_create_for_data(
buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4);
wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
wxNativePixelData::Iterator p(pixData);
int y, x;
for (y=0; 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);
}
}
gs_cairo->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 = gs_cairo->cairo_pattern_create_for_surface(surface);
// Prepare to draw the image.
gs_cairo->cairo_translate(m_cairo, x, y);
gs_cairo->cairo_set_source(m_cairo, pattern);
// Use the original size here since the context is scaled already.
gs_cairo->cairo_rectangle(m_cairo, 0, 0, bw, bh);
// Fill the rectangle using the pattern.
gs_cairo->cairo_fill(m_cairo);
// Clean up.
gs_cairo->cairo_pattern_destroy(pattern);
gs_cairo->cairo_surface_destroy(surface);
delete [] buffer;
CalcBoundingBox(0,0);
CalcBoundingBox(bw,bh);
gs_cairo->cairo_restore(m_cairo);
}
// wxGtkPrintDC has a constant resolution of 72dpi. If we want an higher resolution for printing
// an image, the scaling has to be done by cairo.
void wxGtkPrintDC::DoDrawScaledBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, wxCoord w, wxCoord h, bool useMask, int quality )
{
wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrintDC::DoDrawBitmap"));
cairo_surface_t* surface;
int bw = bitmap.GetWidth();
int bh = bitmap.GetHeight();
x = LogicalToDeviceX(x);
y = LogicalToDeviceY(y);
w = LogicalToDeviceXRel(w);
h = LogicalToDeviceYRel(h);
wxBitmap bmpSource = bitmap; // we need a non-const instance.
unsigned char* buffer = new unsigned char[bw*bh*4];
wxUint32* data = (wxUint32*)buffer;
// Create a surface object and copy the bitmap pixel data to it. If the image has alpha (or a mask represented as alpha)
// then we'll use a different format and iterator than if it doesn't.
if (bmpSource.HasAlpha() || bmpSource.GetMask())
{
surface = gs_cairo->cairo_image_surface_create_for_data(
buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4);
wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
wxAlphaPixelData::Iterator p(pixData);
int y, x;
for (y=0; 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 = gs_cairo->cairo_image_surface_create_for_data(
buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4);
wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
wxNativePixelData::Iterator p(pixData);
int y, x;
for (y=0; 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);
}
}
gs_cairo->cairo_save(m_cairo);
// Prepare to draw the image.
gs_cairo->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 = gs_cairo->cairo_pattern_create_for_surface(surface);
gs_cairo->cairo_pattern_set_filter(pattern,filter);
wxDouble scaleX = (wxDouble) w / (wxDouble) bw;
wxDouble scaleY = (wxDouble) h / (wxDouble) bh;
gs_cairo->cairo_scale(m_cairo, scaleX, scaleY);
gs_cairo->cairo_set_source(m_cairo, pattern);
// Use the original size here since the context is scaled already.
gs_cairo->cairo_rectangle(m_cairo, 0, 0, bw, bh);
// Fill the rectangle using the pattern.
gs_cairo->cairo_fill(m_cairo);
// Clean up.
gs_cairo->cairo_pattern_destroy(pattern);
gs_cairo->cairo_surface_destroy(surface);
delete [] buffer;
CalcBoundingBox(0,0);
CalcBoundingBox(bw,bh);
gs_cairo->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;
gs_cairo->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;
gs_cairo->cairo_save(m_cairo);
gs_cairo->cairo_translate(m_cairo, x, y);
gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
gs_cairo->cairo_rotate(m_cairo,angle*DEG2RAD);
gs_cairo->cairo_rectangle(m_cairo, 0, 0, w, h);
gs_cairo->cairo_fill(m_cairo);
gs_cairo->cairo_restore(m_cairo);
}
// Draw layout.
gs_cairo->cairo_move_to (m_cairo, x, y);
if (fabs(angle) > 0.00001)
{
gs_cairo->cairo_save( m_cairo );
gs_cairo->cairo_rotate( m_cairo, angle*DEG2RAD );
gs_cairo->pango_cairo_update_layout (m_cairo, m_layout);
gs_cairo->pango_cairo_show_layout (m_cairo, m_layout);
gs_cairo->cairo_restore( m_cairo );
}
else
{
gs_cairo->pango_cairo_update_layout (m_cairo, m_layout);
gs_cairo->pango_cairo_show_layout (m_cairo, m_layout);
}
// Reset unscaled size.
pango_font_description_set_size( m_fontdesc, oldSize );
// 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;
gs_cairo->cairo_save(m_cairo);
gs_cairo->cairo_translate(m_cairo, x, y);
gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
gs_cairo->cairo_rotate(m_cairo,angle*DEG2RAD);
gs_cairo->cairo_rectangle(m_cairo, 0, 0, w, h);
gs_cairo->cairo_fill(m_cairo);
gs_cairo->cairo_restore(m_cairo);
}
// Draw layout.
gs_cairo->cairo_move_to (m_cairo, x, y);
if (fabs(angle) > 0.00001)
{
gs_cairo->cairo_save( m_cairo );
gs_cairo->cairo_rotate( m_cairo, angle*DEG2RAD );
gs_cairo->pango_cairo_update_layout (m_cairo, m_layout);
gs_cairo->pango_cairo_show_layout (m_cairo, m_layout);
gs_cairo->cairo_restore( m_cairo );
}
else
{
gs_cairo->pango_cairo_update_layout (m_cairo, m_layout);
gs_cairo->pango_cairo_show_layout (m_cairo, m_layout);
}
}
if (underlined)
{
// Undo underline attributes setting
pango_layout_set_attributes(m_layout, NULL);
}
CalcBoundingBox (x,y);
CalcBoundingBox (x + w, y + h);
}
void wxGtkPrintDC::Clear()
{
gs_cairo->cairo_save(m_cairo);
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
SetBrush(m_backgroundBrush);
gs_cairo->cairo_paint(m_cairo);
gs_cairo->cairo_restore(m_cairo);
}
void wxGtkPrintDC::SetFont( const wxFont& font )
{
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;
gs_cairo->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: gs_cairo->cairo_set_dash( m_cairo, dotted, 1, 0 ); break;
case wxSHORT_DASH: gs_cairo->cairo_set_dash( m_cairo, short_dashed, 1, 0 ); break;
case wxLONG_DASH: gs_cairo->cairo_set_dash( m_cairo, long_dashed, 1, 0 ); break;
case wxDOT_DASH: gs_cairo->cairo_set_dash( m_cairo, dotted_dashed, 3, 0 ); break;
case 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];
gs_cairo->cairo_set_dash( m_cairo, g_dashes, num, 0);
g_free( g_dashes );
}
break;
case wxSOLID:
case wxTRANSPARENT:
default: gs_cairo->cairo_set_dash( m_cairo, NULL, 0, 0 ); break;
}
switch (m_pen.GetCap())
{
case wxCAP_PROJECTING: gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
case wxCAP_BUTT: gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
case wxCAP_ROUND:
default: gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
}
switch (m_pen.GetJoin())
{
case wxJOIN_BEVEL: gs_cairo->cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
case wxJOIN_MITER: gs_cairo->cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
case wxJOIN_ROUND:
default: gs_cairo->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;
gs_cairo->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))
{
gs_cairo->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 = gs_cairo->cairo_surface_create_similar(gs_cairo->cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
cr = gs_cairo->cairo_create(surface);
gs_cairo->cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
gs_cairo->cairo_set_line_width(cr, 1);
gs_cairo->cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
switch (m_brush.GetStyle())
{
case wxCROSS_HATCH:
gs_cairo->cairo_move_to(cr, 5, 0);
gs_cairo->cairo_line_to(cr, 5, 10);
gs_cairo->cairo_move_to(cr, 0, 5);
gs_cairo->cairo_line_to(cr, 10, 5);
break;
case wxBDIAGONAL_HATCH:
gs_cairo->cairo_move_to(cr, 0, 10);
gs_cairo->cairo_line_to(cr, 10, 0);
break;
case wxFDIAGONAL_HATCH:
gs_cairo->cairo_move_to(cr, 0, 0);
gs_cairo->cairo_line_to(cr, 10, 10);
break;
case wxCROSSDIAG_HATCH:
gs_cairo->cairo_move_to(cr, 0, 0);
gs_cairo->cairo_line_to(cr, 10, 10);
gs_cairo->cairo_move_to(cr, 10, 0);
gs_cairo->cairo_line_to(cr, 0, 10);
break;
case wxHORIZONTAL_HATCH:
gs_cairo->cairo_move_to(cr, 0, 5);
gs_cairo->cairo_line_to(cr, 10, 5);
break;
case wxVERTICAL_HATCH:
gs_cairo->cairo_move_to(cr, 5, 0);
gs_cairo->cairo_line_to(cr, 5, 10);
break;
default:
wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
}
gs_cairo->cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
gs_cairo->cairo_stroke (cr);
gs_cairo->cairo_destroy(cr);
cairo_pattern_t * pattern = gs_cairo->cairo_pattern_create_for_surface (surface);
gs_cairo->cairo_surface_destroy(surface);
gs_cairo->cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
gs_cairo->cairo_set_source(m_cairo, pattern);
gs_cairo->cairo_pattern_destroy(pattern);
}
}
void wxGtkPrintDC::SetLogicalFunction( int function )
{
if (function == wxCLEAR)
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
else if (function == wxOR)
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
else if (function == wxNO_OP)
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
else if (function == wxAND)
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
else if (function == wxSET)
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
else if (function == wxXOR)
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
else // wxCOPY or anything else.
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
}
void wxGtkPrintDC::SetBackground( const wxBrush& brush )
{
m_backgroundBrush = brush;
gs_cairo->cairo_save(m_cairo);
gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
SetBrush(m_backgroundBrush);
gs_cairo->cairo_paint(m_cairo);
gs_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)
{
gs_cairo->cairo_rectangle ( m_cairo, LogicalToDeviceX(x), LogicalToDeviceY(y), LogicalToDeviceXRel(width), LogicalToDeviceYRel(height));
gs_cairo->cairo_clip(m_cairo);
}
void wxGtkPrintDC::DestroyClippingRegion()
{
gs_cairo->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
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