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Copy pathqt.cpp
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1878 lines (1614 loc) · 56.4 KB
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//
//
// This software is provided under the LGPL in March 2009 by the
// Cluster Science Centre
// QSAS team,
// Imperial College, London
//
// Copyright (C) 2009 Imperial College, London
// Copyright (C) 2009-2020 Alan W. Irwin
// Copyright (C) 2009 Werner Smekal
// Copyright (C) 2009-2012 Andrew Ross
// Copyright (C) 2009-2011 Hazen Babcock
// Copyright (C) 2010 Hezekiah M. Carty
// Copyright (C) 2015 Jim Dishaw
// Copyright (C) 2019-2020 António R. Tomé
//
// This is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Lesser Public License as published
// by the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// To received a copy of the GNU Library General Public License
// write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// History:
//
//
// March 2009: v1.00
// Initial release.
//
//
#include "qt.h"
#include <QMutexLocker>
// Global variables used in initQtApp (which is called by all
// plD_init_* routines other than plD_init_extqt) and used in
// closeQtApp (which is called by all plD_tidy_* routines other than
// plD_tidy_extqt). The use of these global variables is kept thread-safe by
// a QMutexLocker used by both initQtApp and closeQtApp.
static int argc;
static char **argv;
static int internal_qAppCounter = 0;
static bool internal_qApp = false;
// Drivers declaration
extern "C" {
PLDLLIMPEXP_DRIVER_DATA( const char* ) plD_DEVICE_INFO_qt =
#if defined ( PLD_bmpqt )
"bmpqt:Qt Windows bitmap driver:0:qt:66:bmpqt\n"
#endif
#if defined ( PLD_jpgqt )
"jpgqt:Qt jpg driver:0:qt:67:jpgqt\n"
#endif
#if defined ( PLD_pngqt )
"pngqt:Qt png driver:0:qt:68:pngqt\n"
#endif
#if defined ( PLD_ppmqt )
"ppmqt:Qt ppm driver:0:qt:69:ppmqt\n"
#endif
#if defined ( PLD_tiffqt )
"tiffqt:Qt tiff driver:0:qt:70:tiffqt\n"
#endif
#if defined ( PLD_svgqt ) && QT_VERSION >= 0x040300
"svgqt:Qt SVG driver:0:qt:71:svgqt\n"
#endif
#if defined ( PLD_qtwidget )
"qtwidget:Qt Widget:1:qt:72:qtwidget\n"
#endif
#if defined ( PLD_epsqt )
"epsqt:Qt EPS driver:0:qt:73:epsqt\n"
#endif
#if defined ( PLD_pdfqt )
"pdfqt:Qt PDF driver:0:qt:74:pdfqt\n"
#endif
#if defined ( PLD_extqt )
"extqt:External Qt driver:0:qt:75:extqt\n"
#endif
#if defined ( PLD_memqt )
"memqt:Memory Qt driver:0:qt:76:memqt\n"
#endif
;
} // extern "C"
static DrvOpt qt_options[] = { { "text_vectorize", DRV_INT, &vectorize, "Vectorize fonts on output (0|1)" },
{ "lines_antialiasing", DRV_INT, &lines_aa, "Toggles antialiasing on lines (0|1)" },
{ NULL, DRV_INT, NULL, NULL } };
// The purpose of this routine is to create an internal qApp and the argc and argv data
// that qApp needs if an external or internal qApp does not exist already.
bool initQtApp( bool isGUI )
{
QMutexLocker locker( &QtPLDriver::mutex );
bool res = false;
if ( qApp == NULL && internal_qAppCounter == 0 )
{
internal_qApp = true;
argc = 1;
argv = new char*[2];
argv[0] = new char[10];
argv[1] = new char[1];
snprintf( argv[0], 10, "qt_driver" );
argv[1][0] = '\0';
#ifdef Q_WS_X11
// On X11 if DISPLAY is not set then cannot open GUI. This allows non-interactive devices to still work in this case.
if ( getenv( "DISPLAY" ) == NULL )
isGUI = false;
#endif
new QApplication( argc, argv, isGUI );
res = true;
}
// Keep track of the number of uses of the internal qApp.
if ( internal_qApp )
++internal_qAppCounter;
return res;
}
// The purpose of this routine is to delete qApp and associated argv
// if those were created internally by initQtApp and if it is the last
// use (kept track of by internal_qAppCounter) of that qApp.
void closeQtApp()
{
QMutexLocker locker( &QtPLDriver::mutex );
if ( internal_qApp )
{
--internal_qAppCounter;
if ( qApp != NULL && internal_qAppCounter == 0 )
{
delete qApp;
delete[] argv[0];
delete[] argv[1];
delete[] argv;
argv = NULL;
}
}
}
//--------------------------------------------------------------------------
// qt_family_check ()
//
// support function to help supress more than one page if family file
// output not specified by the user (e.g., with the -fam command-line option).
// Adapted directly from svg.c
//--------------------------------------------------------------------------
static int already_warned = 0;
static int qt_family_check( PLStream *pls )
{
if ( pls->family || pls->page == 1 )
{
return 0;
}
else
{
if ( !already_warned )
{
already_warned = 1;
plwarn( "All pages after the first skipped because family file output not specified.\n" );
}
return 1;
}
}
// Declaration of the driver-specific interface functions
#if defined ( PLD_bmpqt ) || defined ( PLD_jpgqt ) || defined ( PLD_pngqt ) || defined ( PLD_ppmqt ) || defined ( PLD_tiffqt ) || defined ( PLD_memqt )
void plD_init_rasterqt( PLStream * );
void plD_eop_rasterqt( PLStream * );
void plD_line_rasterqt( PLStream *, short, short, short, short );
void plD_polyline_rasterqt( PLStream *, short*, short*, PLINT );
void plD_tidy_rasterqt( PLStream * );
void plD_state_rasterqt( PLStream *, PLINT );
void plD_esc_rasterqt( PLStream *, PLINT, void* );
#endif
#if defined ( PLD_bmpqt )
void plD_dispatch_init_bmpqt( PLDispatchTable *pdt );
void plD_bop_bmpqt( PLStream * );
#endif
#if defined ( PLD_jpgqt )
void plD_dispatch_init_jpgqt( PLDispatchTable *pdt );
void plD_bop_jpgqt( PLStream * );
#endif
#if defined ( PLD_pngqt )
void plD_dispatch_init_pngqt( PLDispatchTable *pdt );
void plD_bop_pngqt( PLStream * );
#endif
#if defined ( PLD_ppmqt )
void plD_dispatch_init_ppmqt( PLDispatchTable *pdt );
void plD_bop_ppmqt( PLStream * );
#endif
#if defined ( PLD_tiffqt )
void plD_dispatch_init_tiffqt( PLDispatchTable *pdt );
void plD_bop_tiffqt( PLStream * );
#endif
#if defined ( PLD_svgqt ) && QT_VERSION >= 0x040300
void plD_dispatch_init_svgqt( PLDispatchTable *pdt );
void plD_init_svgqt( PLStream * );
void plD_bop_svgqt( PLStream * );
void plD_eop_svgqt( PLStream * );
void plD_line_svgqt( PLStream *, short, short, short, short );
void plD_polyline_svgqt( PLStream *, short*, short*, PLINT );
void plD_tidy_svgqt( PLStream * );
void plD_state_svgqt( PLStream *, PLINT );
void plD_esc_svgqt( PLStream *, PLINT, void* );
#endif
#if defined ( PLD_epsqt ) || defined ( PLD_pdfqt )
void plD_init_epspdfqt( PLStream * );
void plD_bop_epspdfqt_helper( PLStream *, int ifeps );
void plD_eop_epspdfqt( PLStream * );
void plD_line_epspdfqt( PLStream *, short, short, short, short );
void plD_polyline_epspdfqt( PLStream *, short*, short*, PLINT );
void plD_tidy_epspdfqt( PLStream * );
void plD_state_epspdfqt( PLStream *, PLINT );
void plD_esc_epspdfqt( PLStream *, PLINT, void* );
#endif
#if defined ( PLD_epsqt )
void plD_dispatch_init_epsqt( PLDispatchTable *pdt );
void plD_bop_epsqt( PLStream * );
#endif
#if defined ( PLD_pdfqt )
void plD_dispatch_init_pdfqt( PLDispatchTable *pdt );
void plD_bop_pdfqt( PLStream * );
#endif
#if defined ( PLD_qtwidget )
void plD_dispatch_init_qtwidget( PLDispatchTable *pdt );
void plD_init_qtwidget( PLStream * );
void plD_eop_qtwidget( PLStream * );
void plD_wait_qtwidget( PLStream * );
void plD_line_qtwidget( PLStream *, short, short, short, short );
void plD_polyline_qtwidget( PLStream *, short*, short*, PLINT );
void plD_tidy_qtwidget( PLStream * );
void plD_state_qtwidget( PLStream *, PLINT );
void plD_esc_qtwidget( PLStream *, PLINT, void* );
void plD_bop_qtwidget( PLStream * );
#endif
#if defined ( PLD_extqt )
void plD_dispatch_init_extqt( PLDispatchTable *pdt );
void plD_init_extqt( PLStream * );
void plD_eop_extqt( PLStream * );
void plD_line_extqt( PLStream *, short, short, short, short );
void plD_polyline_extqt( PLStream *, short*, short*, PLINT );
void plD_tidy_extqt( PLStream * );
void plD_state_extqt( PLStream *, PLINT );
void plD_esc_extqt( PLStream *, PLINT, void* );
void plD_bop_extqt( PLStream * );
#endif
#if defined ( PLD_memqt )
void plD_dispatch_init_memqt( PLDispatchTable *pdt );
void plD_init_memqt( PLStream * );
void plD_bop_memqt( PLStream * );
void plD_eop_memqt( PLStream * );
#endif
////////////////// Raster driver-specific definitions: class and interface functions /////////
#if defined ( PLD_bmpqt ) || defined ( PLD_jpgqt ) || defined ( PLD_pngqt ) || defined ( PLD_ppmqt ) || defined ( PLD_tiffqt ) || defined ( PLD_memqt )
void plD_init_rasterqt( PLStream * pls )
{
double dpi;
vectorize = 0;
lines_aa = 1;
plParseDrvOpts( qt_options );
// Stream setup
pls->color = 1;
pls->plbuf_write = 0;
pls->dev_fill0 = 1;
pls->dev_fill1 = 0;
pls->dev_gradient = 1; // driver renders gradient
// Let the PLplot core handle dashed lines since
// the driver results for this capability have a number of issues.
// pls->dev_dash=1;
pls->dev_dash = 0;
pls->dev_flush = 1;
// Driver does not have a clear capability so use (good) PLplot core
// fallback for that instead.
pls->dev_clear = 0;
pls->termin = 0;
pls->page = 0;
pls->dev_text = 1; // want to draw text
pls->dev_unicode = 1; // want unicode
pls->has_string_length = 1; // Driver supports string length calculations
// Needs to be true only because of multi-stream case
bool isMaster = initQtApp( true );
if ( pls->xdpi <= 0. )
dpi = DEFAULT_DPI;
else
dpi = pls->xdpi;
// Shamelessly copied on the Cairo stuff :)
if ( pls->xlength <= 0 || pls->ylength <= 0 )
{
pls->dev = new QtRasterDevice;
pls->xlength = (PLINT) ( ( (QtRasterDevice *) ( pls->dev ) )->m_dWidth );
pls->ylength = (PLINT) ( ( (QtRasterDevice *) ( pls->dev ) )->m_dHeight );
}
else
{
pls->dev = new QtRasterDevice( pls->xlength, pls->ylength );
}
( (QtRasterDevice *) pls->dev )->setPLStream( pls );
if ( isMaster )
handler.setMasterDevice( (QtRasterDevice *) ( pls->dev ) );
if ( pls->xlength > pls->ylength )
( (QtRasterDevice *) ( pls->dev ) )->downscale = (PLFLT) pls->xlength / (PLFLT) ( PIXELS_X - 1 );
else
( (QtRasterDevice *) ( pls->dev ) )->downscale = (PLFLT) pls->ylength / (PLFLT) PIXELS_Y;
plP_setphy( (PLINT) 0, (PLINT) ( pls->xlength / ( (QtRasterDevice *) ( pls->dev ) )->downscale ), (PLINT) 0, (PLINT) ( pls->ylength / ( (QtRasterDevice *) ( pls->dev ) )->downscale ) );
plP_setpxl( dpi / 25.4 / ( (QtRasterDevice *) ( pls->dev ) )->downscale, dpi / 25.4 / ( (QtRasterDevice *) ( pls->dev ) )->downscale );
( (QtRasterDevice *) ( pls->dev ) )->setResolution( dpi );
// Initialize family file info
plFamInit( pls );
plOpenFile( pls );
}
void plD_eop_rasterqt( PLStream *pls )
{
if ( qt_family_check( pls ) )
{
return;
}
( (QtRasterDevice *) pls->dev )->savePlot();
handler.DeviceChangedPage( (QtRasterDevice *) pls->dev );
}
void plD_line_rasterqt( PLStream * pls, short x1a, short y1a, short x2a, short y2a )
{
QtRasterDevice* widget = (QtRasterDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
widget->QtPLDriver::setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawLine( x1a, y1a, x2a, y2a );
}
void plD_polyline_rasterqt( PLStream *pls, short *xa, short *ya, PLINT npts )
{
QtRasterDevice * widget = (QtRasterDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
widget->QtPLDriver::setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawPolyline( xa, ya, npts );
}
void plD_esc_rasterqt( PLStream * pls, PLINT op, void* ptr )
{
short *xa, *ya;
unsigned char *r, *g, *b;
PLFLT *alpha;
PLINT i;
QtRasterDevice * widget = (QtRasterDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
switch ( op )
{
// case PLESC_DASH:
// widget->setDashed(pls->nms, pls->mark, pls->space);
// widget->QtPLDriver::setColor(pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a);
// widget->drawPolyline(pls->dev_x, pls->dev_y, pls->dev_npts);
// widget->setSolid();
// break;
case PLESC_FILL:
xa = new short[pls->dev_npts];
ya = new short[pls->dev_npts];
for ( i = 0; i < pls->dev_npts; i++ )
{
xa[i] = pls->dev_x[i];
ya[i] = pls->dev_y[i];
}
widget->QtPLDriver::setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawPolygon( xa, ya, pls->dev_npts );
delete[] xa;
delete[] ya;
break;
case PLESC_GRADIENT:
xa = new short[pls->dev_npts];
ya = new short[pls->dev_npts];
r = new unsigned char[pls->ncol1];
g = new unsigned char[pls->ncol1];
b = new unsigned char[pls->ncol1];
alpha = new PLFLT[pls->ncol1];
for ( i = 0; i < pls->ncol1; i++ )
{
r[i] = pls->cmap1[i].r;
g[i] = pls->cmap1[i].g;
b[i] = pls->cmap1[i].b;
alpha[i] = pls->cmap1[i].a;
}
widget->setGradient( pls->xgradient[0], pls->xgradient[1], pls->ygradient[0], pls->ygradient[1], r, g, b, alpha, pls->ncol1 );
for ( i = 0; i < pls->dev_npts; i++ )
{
xa[i] = pls->dev_x[i];
ya[i] = pls->dev_y[i];
}
widget->drawPolygon( xa, ya, pls->dev_npts );
delete[] xa;
delete[] ya;
delete[] r;
delete[] g;
delete[] b;
delete[] alpha;
break;
case PLESC_HAS_TEXT:
// call the generic ProcessString function
// ProcessString( pls, (EscText *)ptr );
widget->QtPLDriver::setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawText( (EscText *) ptr );
break;
default: break;
}
}
void plD_state_rasterqt( PLStream * pls, PLINT op )
{
QtRasterDevice * widget = (QtRasterDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
switch ( op )
{
case PLSTATE_WIDTH:
widget->setWidthF( pls->width );
break;
case PLSTATE_COLOR0:
( (QtPLDriver *) widget )->QtPLDriver::setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
break;
case PLSTATE_COLOR1:
( (QtPLDriver *) widget )->QtPLDriver::setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
break;
default: break;
}
}
void plD_tidy_rasterqt( PLStream * pls )
{
QtRasterDevice * widget = (QtRasterDevice *) pls->dev;
if ( widget != NULL )
{
handler.DeviceClosed( widget );
delete widget;
pls->dev = NULL;
}
plCloseFile( pls );
closeQtApp();
}
#endif
#if defined ( PLD_bmpqt )
void plD_dispatch_init_bmpqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt Windows bitmap Driver";
pdt->pl_DevName = "bmpqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 66;
pdt->pl_init = (plD_init_fp) plD_init_rasterqt;
pdt->pl_line = (plD_line_fp) plD_line_rasterqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_rasterqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_rasterqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_bmpqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_rasterqt;
pdt->pl_state = (plD_state_fp) plD_state_rasterqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_rasterqt;
}
void plD_bop_bmpqt( PLStream *pls )
{
// Plot familying stuff. Not really understood, just copying gd.c
plGetFam( pls );
pls->famadv = 1;
pls->page++;
if ( qt_family_check( pls ) )
{
return;
}
( (QtRasterDevice *) pls->dev )->definePlotName( pls->FileName, "BMP" );
( (QtRasterDevice *) pls->dev )->setBackgroundColor( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b, pls->cmap0[0].a );
}
#endif
#if defined ( PLD_jpgqt )
void plD_dispatch_init_jpgqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt jpg Driver";
pdt->pl_DevName = "jpgqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 67;
pdt->pl_init = (plD_init_fp) plD_init_rasterqt;
pdt->pl_line = (plD_line_fp) plD_line_rasterqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_rasterqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_rasterqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_jpgqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_rasterqt;
pdt->pl_state = (plD_state_fp) plD_state_rasterqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_rasterqt;
}
void plD_bop_jpgqt( PLStream *pls )
{
// Plot familying stuff. Not really understood, just copying gd.c
plGetFam( pls );
pls->famadv = 1;
pls->page++;
if ( qt_family_check( pls ) )
{
return;
}
( (QtRasterDevice *) pls->dev )->definePlotName( pls->FileName, "JPG" );
( (QtRasterDevice *) pls->dev )->setBackgroundColor( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b, pls->cmap0[0].a );
}
#endif
#if defined ( PLD_pngqt )
void plD_dispatch_init_pngqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt png Driver";
pdt->pl_DevName = "pngqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 68;
pdt->pl_init = (plD_init_fp) plD_init_rasterqt;
pdt->pl_line = (plD_line_fp) plD_line_rasterqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_rasterqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_rasterqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_pngqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_rasterqt;
pdt->pl_state = (plD_state_fp) plD_state_rasterqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_rasterqt;
}
void plD_bop_pngqt( PLStream *pls )
{
// Plot familying stuff. Not really understood, just copying gd.c
plGetFam( pls );
pls->famadv = 1;
pls->page++;
if ( qt_family_check( pls ) )
{
return;
}
( (QtRasterDevice *) pls->dev )->definePlotName( pls->FileName, "PNG" );
( (QtRasterDevice *) pls->dev )->setBackgroundColor( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b, pls->cmap0[0].a );
}
#endif
#if defined ( PLD_ppmqt )
void plD_dispatch_init_ppmqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt ppm Driver";
pdt->pl_DevName = "ppmqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 69;
pdt->pl_init = (plD_init_fp) plD_init_rasterqt;
pdt->pl_line = (plD_line_fp) plD_line_rasterqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_rasterqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_rasterqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_ppmqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_rasterqt;
pdt->pl_state = (plD_state_fp) plD_state_rasterqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_rasterqt;
}
void plD_bop_ppmqt( PLStream *pls )
{
// Plot familying stuff. Not really understood, just copying gd.c
plGetFam( pls );
pls->famadv = 1;
pls->page++;
if ( qt_family_check( pls ) )
{
return;
}
( (QtRasterDevice *) pls->dev )->definePlotName( pls->FileName, "PPM" );
( (QtRasterDevice *) pls->dev )->setBackgroundColor( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b, pls->cmap0[0].a );
}
#endif
#if defined ( PLD_tiffqt )
void plD_dispatch_init_tiffqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt tiff Driver";
pdt->pl_DevName = "tiffqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 70;
pdt->pl_init = (plD_init_fp) plD_init_rasterqt;
pdt->pl_line = (plD_line_fp) plD_line_rasterqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_rasterqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_rasterqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_tiffqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_rasterqt;
pdt->pl_state = (plD_state_fp) plD_state_rasterqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_rasterqt;
}
void plD_bop_tiffqt( PLStream *pls )
{
// Plot familying stuff. Not really understood, just copying gd.c
plGetFam( pls );
pls->famadv = 1;
pls->page++;
if ( qt_family_check( pls ) )
{
return;
}
( (QtRasterDevice *) pls->dev )->definePlotName( pls->FileName, "TIFF" );
( (QtRasterDevice *) pls->dev )->setBackgroundColor( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b, pls->cmap0[0].a );
}
#endif
#if defined ( PLD_svgqt ) && QT_VERSION >= 0x040300
void plD_dispatch_init_svgqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt SVG Driver";
pdt->pl_DevName = "svgqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 71;
pdt->pl_init = (plD_init_fp) plD_init_svgqt;
pdt->pl_line = (plD_line_fp) plD_line_svgqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_svgqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_svgqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_svgqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_svgqt;
pdt->pl_state = (plD_state_fp) plD_state_svgqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_svgqt;
}
void plD_init_svgqt( PLStream * pls )
{
vectorize = 1;
lines_aa = 1;
plParseDrvOpts( qt_options );
// Stream setup
pls->color = 1;
pls->plbuf_write = 0;
pls->dev_fill0 = 1;
pls->dev_fill1 = 0;
pls->dev_gradient = 1; // driver renders gradient
// Let the PLplot core handle dashed lines since
// the driver results for this capability have a number of issues.
// pls->dev_dash=1;
pls->dev_dash = 0;
pls->dev_flush = 1;
// Driver does not have a clear capability so use (good) PLplot core
// fallback for that instead.
pls->dev_clear = 0;
pls->termin = 0;
pls->page = 0;
pls->dev_text = 1; // want to draw text
pls->dev_unicode = 1; // want unicode
pls->has_string_length = 1; // Driver supports string length calculations
// Needs to be true only because of multi-stream case
bool isMaster = initQtApp( true );
if ( pls->xlength <= 0 || pls->ylength <= 0 )
{
pls->dev = new QtSVGDevice;
pls->xlength = (int) ( ( (QtSVGDevice *) ( pls->dev ) )->m_dWidth );
pls->ylength = (int) ( ( (QtSVGDevice *) ( pls->dev ) )->m_dHeight );
}
else
{
pls->dev = new QtSVGDevice( pls->xlength, pls->ylength );
}
( (QtSVGDevice *) pls->dev )->setPLStream( pls );
if ( isMaster )
handler.setMasterDevice( (QtSVGDevice *) ( pls->dev ) );
if ( pls->xlength > pls->ylength )
( (QtSVGDevice *) ( pls->dev ) )->downscale = (PLFLT) pls->xlength / (PLFLT) ( PIXELS_X - 1 );
else
( (QtSVGDevice *) ( pls->dev ) )->downscale = (PLFLT) pls->ylength / (PLFLT) PIXELS_Y;
plP_setphy( (PLINT) 0, (PLINT) ( pls->xlength / ( (QtSVGDevice *) ( pls->dev ) )->downscale ), (PLINT) 0, (PLINT) ( pls->ylength / ( (QtSVGDevice *) ( pls->dev ) )->downscale ) );
plP_setpxl( POINTS_PER_INCH / 25.4 / ( (QtSVGDevice *) ( pls->dev ) )->downscale, POINTS_PER_INCH / 25.4 / ( (QtSVGDevice *) ( pls->dev ) )->downscale );
// Initialize family file info
plFamInit( pls );
plOpenFile( pls );
}
void plD_bop_svgqt( PLStream *pls )
{
// Plot familying stuff. Not really understood, just copying gd.c
plGetFam( pls );
pls->famadv = 1;
pls->page++;
if ( qt_family_check( pls ) )
{
return;
}
( (QtSVGDevice *) pls->dev )->definePlotName( pls->FileName );
( (QtSVGDevice *) pls->dev )->setBackgroundColor( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b, pls->cmap0[0].a );
}
void plD_eop_svgqt( PLStream *pls )
{
double downscale;
QSize s;
if ( qt_family_check( pls ) )
{
return;
}
( (QtSVGDevice *) pls->dev )->savePlot();
// Once saved, we have to create a new device with the same properties
// to be able to plot another page.
downscale = ( (QtSVGDevice *) pls->dev )->downscale;
s = ( (QtSVGDevice *) pls->dev )->size();
bool isMaster = ( handler.isMasterDevice( (QtSVGDevice *) pls->dev ) );
delete ( (QtSVGDevice *) pls->dev );
pls->dev = new QtSVGDevice( s.width(), s.height() );
( (QtSVGDevice *) pls->dev )->downscale = downscale;
( (QtSVGDevice *) pls->dev )->setPLStream( pls );
if ( isMaster )
handler.setMasterDevice( (QtSVGDevice *) pls->dev );
handler.DeviceChangedPage( (QtSVGDevice *) pls->dev );
}
void plD_line_svgqt( PLStream * pls, short x1a, short y1a, short x2a, short y2a )
{
QtSVGDevice* widget = (QtSVGDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
widget->setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawLine( x1a, y1a, x2a, y2a );
}
void plD_polyline_svgqt( PLStream *pls, short *xa, short *ya, PLINT npts )
{
QtSVGDevice * widget = (QtSVGDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
widget->setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawPolyline( xa, ya, npts );
}
void plD_esc_svgqt( PLStream * pls, PLINT op, void* ptr )
{
short *xa, *ya;
unsigned char *r, *g, *b;
PLFLT *alpha;
PLINT i;
QtSVGDevice * widget = (QtSVGDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
switch ( op )
{
case PLESC_FILL:
xa = new short[pls->dev_npts];
ya = new short[pls->dev_npts];
for ( i = 0; i < pls->dev_npts; i++ )
{
xa[i] = pls->dev_x[i];
ya[i] = pls->dev_y[i];
}
widget->setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawPolygon( xa, ya, pls->dev_npts );
delete[] xa;
delete[] ya;
break;
case PLESC_GRADIENT:
xa = new short[pls->dev_npts];
ya = new short[pls->dev_npts];
r = new unsigned char[pls->ncol1];
g = new unsigned char[pls->ncol1];
b = new unsigned char[pls->ncol1];
alpha = new PLFLT[pls->ncol1];
for ( i = 0; i < pls->ncol1; i++ )
{
r[i] = pls->cmap1[i].r;
g[i] = pls->cmap1[i].g;
b[i] = pls->cmap1[i].b;
alpha[i] = pls->cmap1[i].a;
}
widget->setGradient( pls->xgradient[0], pls->xgradient[1], pls->ygradient[0], pls->ygradient[1], r, g, b, alpha, pls->ncol1 );
for ( i = 0; i < pls->dev_npts; i++ )
{
xa[i] = pls->dev_x[i];
ya[i] = pls->dev_y[i];
}
widget->drawPolygon( xa, ya, pls->dev_npts );
delete[] xa;
delete[] ya;
delete[] r;
delete[] g;
delete[] b;
delete[] alpha;
break;
case PLESC_HAS_TEXT:
// call the generic ProcessString function
// ProcessString( pls, (EscText *)ptr );
widget->setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
widget->drawText( (EscText *) ptr );
break;
default:
break;
}
}
void plD_state_svgqt( PLStream * pls, PLINT op )
{
QtSVGDevice * widget = (QtSVGDevice *) pls->dev;
if ( widget != NULL && qt_family_check( pls ) )
{
return;
}
if ( widget == NULL )
return;
switch ( op )
{
case PLSTATE_WIDTH:
widget->setWidthF( pls->width );
break;
case PLSTATE_COLOR0:
widget->setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
break;
case PLSTATE_COLOR1:
widget->setColor( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b, pls->curcolor.a );
break;
default: break;
}
}
void plD_tidy_svgqt( PLStream * pls )
{
QtSVGDevice * widget = (QtSVGDevice *) pls->dev;
if ( widget != NULL )
{
handler.DeviceClosed( widget );
delete widget;
pls->dev = NULL;
}
plCloseFile( pls );
closeQtApp();
}
#endif
#if defined ( PLD_epsqt )
void plD_dispatch_init_epsqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt EPS Driver";
pdt->pl_DevName = "epsqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 73;
pdt->pl_init = (plD_init_fp) plD_init_epspdfqt;
pdt->pl_line = (plD_line_fp) plD_line_epspdfqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_epspdfqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_epspdfqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_epsqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_epspdfqt;
pdt->pl_state = (plD_state_fp) plD_state_epspdfqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_epspdfqt;
}
#endif
#if defined ( PLD_pdfqt )
void plD_dispatch_init_pdfqt( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Qt PDF Driver";
pdt->pl_DevName = "pdfqt";
#endif
pdt->pl_type = plDevType_FileOriented;
pdt->pl_seq = 74;
pdt->pl_init = (plD_init_fp) plD_init_epspdfqt;
pdt->pl_line = (plD_line_fp) plD_line_epspdfqt;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_epspdfqt;
pdt->pl_eop = (plD_eop_fp) plD_eop_epspdfqt;
pdt->pl_bop = (plD_bop_fp) plD_bop_pdfqt;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_epspdfqt;
pdt->pl_state = (plD_state_fp) plD_state_epspdfqt;
pdt->pl_esc = (plD_esc_fp) plD_esc_epspdfqt;
}
#endif
#if defined ( PLD_epsqt ) || defined ( PLD_pdfqt )
void plD_init_epspdfqt( PLStream * pls )
{
vectorize = 0;
lines_aa = 1;
plParseDrvOpts( qt_options );
// Stream setup