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wxWidgets/src/gtk/print.cpp

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/////////////////////////////////////////////////////////////////////////////
// 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 "wx/gtk/private/wrapgtk.h"
#if GTK_CHECK_VERSION(2,14,0)
#include <gtk/gtkunixprint.h>
#else
#include <gtk/gtkpagesetupunixdialog.h>
#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)
if (wx_is_at_least_gtk2(12))
{
// 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<GtkPaperSize*>(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() wxOVERRIDE;
void OnExit() wxOVERRIDE {}
private:
wxDECLARE_DYNAMIC_CLASS(wxGtkPrintModule);
};
bool wxGtkPrintModule::OnInit()
{
if (wx_is_at_least_gtk2(10))
{
wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
}
return true;
}
wxIMPLEMENT_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
//----------------------------------------------------------------------------
wxIMPLEMENT_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)
{
if (wx_is_at_least_gtk2(18))
{
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<wxPaperSize>(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)
{
if ( m_config )
{
g_object_unref(m_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
//----------------------------------------------------------------------------
wxIMPLEMENT_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<wxGtkPrintNativeData*>(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<wxGtkPrintNativeData*>(printData.GetNativeData());
native->SetPrintJob(gtk_print_operation_new());
}
wxGtkPrintDialog::~wxGtkPrintDialog()
{
const wxPrintData& printData = m_printDialogData.GetPrintData();
wxGtkPrintNativeData* native =
static_cast<wxGtkPrintNativeData*>(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);
GtkPageSetup* pgSetup = native->GetPageSetupFromSettings(settings);
gtk_print_operation_set_default_page_setup (printOp, pgSetup);
g_object_unref(pgSetup);
// 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;
}
wxDC* wxGtkPrintDialog::GetPrintDC()
{
return new wxPrinterDC(m_printDialogData.GetPrintData());
}
//----------------------------------------------------------------------------
// wxGtkPageSetupDialog
//----------------------------------------------------------------------------
wxIMPLEMENT_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);
g_object_unref(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<GtkPageSetup>
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
//----------------------------------------------------------------------------
wxIMPLEMENT_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;
wxDELETE(m_dc);
// 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.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;
}
printout->SetDC(NULL);
wxDELETE(m_dc);
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->SetUp(*m_dc);
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;
}
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.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;
}
wxDC* dc = dialog.GetPrintDC();
if ( dc )
{
m_printDialogData = dialog.GetPrintDialogData();
}
return dc;
}
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
wxIMPLEMENT_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()
{
if ( m_fontdesc )
pango_font_description_free(m_fontdesc);
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 );
if ( m_pen.IsTransparent() )
cairo_fill(m_cairo);
else
cairo_fill_preserve(m_cairo);
}
SetPen(m_pen);
if ( m_pen.IsNonTransparent() )
{
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<n ; i++ )
CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
for (i = 1; i < n; i++)
cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
cairo_stroke ( m_cairo);
}
void wxGtkPrinterDCImpl::DoDrawPolygon(int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
wxPolygonFillMode fillStyle)
{
if (n==0) return;
cairo_save(m_cairo);
if (fillStyle == wxWINDING_RULE)
cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
else
cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
int x = points[0].x + xoffset;
int y = points[0].y + yoffset;
cairo_new_path(m_cairo);
cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
int i;
for (i = 1; i < n; i++)
{
int xx = points[i].x + xoffset;
int yy = points[i].y + yoffset;
cairo_line_to( m_cairo, XLOG2DEV(xx), YLOG2DEV(yy) );
}
cairo_close_path(m_cairo);
SetBrush( m_brush );
if ( m_pen.IsTransparent() )
cairo_fill(m_cairo);
else
cairo_fill_preserve(m_cairo);
SetPen(m_pen);
if ( m_pen.IsNonTransparent() )
{
cairo_stroke(m_cairo);
}
CalcBoundingBox( x, y );
cairo_restore(m_cairo);
}
void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, const int count[], const wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
wxPolygonFillMode fillStyle)
{
wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
}
void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
if ( m_pen.IsNonTransparent() )
{
// outline is one pixel larger than what raster-based wxDC implementations draw
width -= 1;
height -= 1;
}
cairo_new_path(m_cairo);
cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
SetBrush( m_brush );
if ( m_pen.IsTransparent() )
cairo_fill(m_cairo);
else
cairo_fill_preserve(m_cairo);
SetPen(m_pen);
if ( m_pen.IsNonTransparent() )
{
cairo_stroke(m_cairo);
}
CalcBoundingBox( x, y );
CalcBoundingBox( x + width, y + height );
}
void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
{
width--;
height--;
if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
wxCoord dd = 2 * (wxCoord) radius;
if (dd > width) dd = width;
if (dd > height) dd = height;
radius = dd / 2;
wxCoord rad = (wxCoord) radius;
cairo_new_path(m_cairo);
cairo_move_to(m_cairo,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);
if ( m_pen.IsTransparent() )
cairo_fill(m_cairo);
else
cairo_fill_preserve(m_cairo);
SetPen(m_pen);
if ( m_pen.IsNonTransparent() )
{
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 );
if ( m_pen.IsTransparent() )
cairo_fill(m_cairo);
else
cairo_fill_preserve(m_cairo);
SetPen(m_pen);
if ( m_pen.IsNonTransparent() )
{
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 );
}
bool wxGtkPrinterDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
{
widths.Empty();
const wxCharBuffer data = text.utf8_str();
int w = 0;
if ( data.length() > 0 )
{
cairo_save(m_cairo);
cairo_scale(m_cairo, m_scaleX, m_scaleY);
pango_layout_set_text(m_layout, data, data.length());
PangoLayoutIter* iter = pango_layout_get_iter(m_layout);
do
{
PangoRectangle rect;
pango_layout_iter_get_cluster_extents(iter, NULL, &rect);
w += rect.width;
widths.Add(PANGO_PIXELS(w));
} while (pango_layout_iter_next_cluster(iter));
pango_layout_iter_free(iter);
cairo_restore(m_cairo);
}
size_t i = widths.GetCount();
const size_t len = text.length();
while (i++ < len)
widths.Add(PANGO_PIXELS(w));
return true;
}
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
// ----------------------------------------------------------------------------
wxIMPLEMENT_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
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