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gtk3-tqt-engine
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Add initial interface code skeleton for later development

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pull/1/head
Timothy Pearson 13 years ago
parent 0bb5952228
commit 827cba3a39
6 changed files with 459 additions and 3 deletions
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1
configure.ac
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@ -24,6 +24,7 @@ AC_SUBST(PACKAGE_VERSION_NANO)
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CXX
LT_INIT
AC_C_CONST
AC_C_INLINE

7
tdegtk/Makefile.am
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@ -7,7 +7,8 @@ source_h = \
$(srcdir)/tdegtk-draw.h \
$(srcdir)/tdegtk-engine.h \
$(srcdir)/tdegtk-support.h \
$(srcdir)/tdegtk-types.h
$(srcdir)/tdegtk-types.h \
$(srcdir)/tqtcairopainter.h
source_c = \
$(srcdir)/exponential-blur.c \
@ -17,7 +18,8 @@ source_c = \
$(srcdir)/tdegtk-draw.c \
$(srcdir)/tdegtk-engine.c \
$(srcdir)/tdegtk-support.c \
$(srcdir)/tdegtk-theme.c
$(srcdir)/tdegtk-theme.c \
$(srcdir)/tqtcairopainter.cpp
enginedir = $(libdir)/gtk-3.0/$(GTK_VERSION)/theming-engines
engine_LTLIBRARIES = libtdegtk.la
@ -25,6 +27,7 @@ engine_LTLIBRARIES = libtdegtk.la
libtdegtk_la_SOURCES = $(source_h) $(source_c)
libtdegtk_la_CFLAGS = $(TDEGTK_CFLAGS)
libtdegtk_la_CXXFLAGS = $(TDEGTK_CXXFLAGS) -I/usr/include/tqt -I/usr/include/tqt3 $(TDEGTK_CFLAGS)
libtdegtk_la_LIBADD = $(TDEGTK_LIBADD)

367
tdegtk/tqtcairopainter.cpp
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@ -0,0 +1,367 @@
/****************************************************************************
**
** Implementation of TQt3CairoPaintDevice class
**
** Copyright (C) 2012 Timothy Pearson. All rights reserved.
**
** This file is part of the TDE Qt4 style interface
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "tqtcairopainter.h"
#define TQT_NO_COMPAT_NAMES
#include "tqpainter.h"
#include "tqpixmap.h"
#include "tqbitmap.h"
#include "tqimage.h"
#include "tqfile.h"
#include "tqpaintdevicemetrics.h"
#undef Qt
/*!
\class TQt3CairoPaintDevice tdeqt4painter.h
\brief The TQt3CairoPaintDevice class is a paint device that translates
Qt paint events to a TQt painter.
\ingroup graphics
\ingroup shared
*/
/*!
Constructs TQt3CairoPaintDevice on an existing QPainter
*/
TQt3CairoPaintDevice::TQt3CairoPaintDevice( cairo_surface_t *cairosurface )
: TQPaintDevice( TQInternal::Picture | TQInternal::ExternalDevice )
{
m_surface = cairosurface;
m_painter = cairo_create(m_surface);
}
/*!
Destroys the TQt3CairoPaintDevice.
*/
TQt3CairoPaintDevice::~TQt3CairoPaintDevice()
{
cairo_destroy(m_painter);
}
/*!
\internal
Implementation of the function forwarded above to the internal data struct.
*/
bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
{
Q_UNUSED(pt);
unsigned int i;
int x;
int y;
int index;
int count;
int lineCount;
switch ( c ) { // exec cmd
case PdcNOP:
break;
#if 0
case PdcDrawPoint:
m_qt4painter->drawPoint( qt4point1 );
break;
case PdcMoveTo:
curPt = qt4point1;
break;
case PdcLineTo:
prevPt = curPt;
curPt = qt4point1;
m_qt4painter->drawLine( prevPt, curPt );
break;
case PdcDrawLine:
m_qt4painter->drawLine( qt4point1, qt4point2 );
break;
case PdcDrawRect:
m_qt4painter->drawRect( qt4PainterAdjustedRectangle(qt4rect, m_qt4painter) );
break;
case PdcDrawRoundRect:
m_qt4painter->drawRoundedRect( qt4PainterAdjustedRectangle(qt4rect, m_qt4painter), p[1].ival, p[2].ival );
break;
case PdcDrawEllipse:
m_qt4painter->drawEllipse( qt4PainterAdjustedRectangle(qt4rect, m_qt4painter) );
break;
case PdcDrawArc:
m_qt4painter->drawArc( qt4PainterAdjustedRectangle(qt4rect, m_qt4painter), p[1].ival, p[2].ival );
break;
case PdcDrawPie:
m_qt4painter->drawPie( qt4PainterAdjustedRectangle(qt4rect, m_qt4painter), p[1].ival, p[2].ival );
break;
case PdcDrawChord:
m_qt4painter->drawChord( qt4PainterAdjustedRectangle(qt4rect, m_qt4painter), p[1].ival, p[2].ival );
break;
case PdcDrawLineSegments:
index = 0;
count = -1;
lineCount = (count == -1) ? (qt4polygon.size() - index) / 2 : count;
m_qt4painter->drawLines(qt4polygon.constData() + index * 2, lineCount);
break;
case PdcDrawPolyline:
m_qt4painter->drawPolyline( qt4polygon );
break;
case PdcDrawPolygon:
m_qt4painter->drawPolygon( qt4polygon, (p[1].ival == 0)?Qt::OddEvenFill:Qt::WindingFill );
break;
case PdcDrawCubicBezier:
index = 0;
path.moveTo(qt4polygon.at(index));
path.cubicTo(qt4polygon.at(index+1), qt4polygon.at(index+2), qt4polygon.at(index+3));
m_qt4painter->strokePath(path, m_qt4painter->pen());
break;
case PdcDrawText:
m_qt4painter->drawText( qt4point1, qt4string );
break;
case PdcDrawTextFormatted:
m_qt4painter->drawText( qt4rect, qt4formattedtextflags, qt4string );
break;
case PdcDrawText2:
m_qt4painter->drawText( qt4point1, qt4string );
break;
case PdcDrawText2Formatted:
m_qt4painter->drawText( qt4rect, qt4formattedtextflags, qt4string );
break;
case PdcDrawPixmap:
m_qt4painter->drawPixmap( qt4rect, qt4pixmap );
break;
#if 0
case PdcDrawImage: {
TQImage image;
if ( d->formatMajor < 4 ) {
s >> p >> image;
painter->drawImage( p, image );
} else {
s >> r >> image;
painter->drawImage( r, image );
}
}
break;
#endif
case PdcBegin:
if (m_qt4painter->isActive()) {
// KEEP THIS DEACTIVATED
// QPaintDevice* pd = m_qt4painter->device();
// m_qt4painter->end();
// m_qt4painter->begin(pd);
}
#if defined(QT_CHECK_RANGE)
else {
tqWarning( "TQt3CairoPaintDevice::cmd: Painter has no paint device available" );
}
#endif
break;
case PdcEnd:
// KEEP THIS DEACTIVATED
// m_qt4painter->end();
break;
case PdcSave:
m_qt4painter->save();
break;
case PdcRestore:
m_qt4painter->restore();
break;
case PdcSetBkColor:
m_qt4painter->setBackground( QBrush(QColor(p[0].color->red(), p[0].color->green(), p[0].color->blue())) );
break;
case PdcSetBkMode:
m_qt4painter->setBackgroundMode( qt4bkmode );
break;
case PdcSetROP:
m_qt4painter->setCompositionMode(qt4compositionmode);
break;
case PdcSetBrushOrigin:
m_qt4painter->setBrushOrigin( qt4point1 );
break;
case PdcSetFont:
m_qt4painter->setFont( qt4font );
break;
case PdcSetPen:
m_qt4painter->setPen( qt4pen );
break;
case PdcSetBrush:
m_qt4painter->setBrush( qt4brush );
break;
#if 0
case PdcSetTabStops:
s >> i_16;
painter->setTabStops( i_16 );
break;
case PdcSetTabArray:
s >> i_16;
if ( i_16 == 0 ) {
painter->setTabArray( 0 );
} else {
int *ta = new int[i_16];
TQ_CHECK_PTR( ta );
for ( int i=0; i<i_16; i++ ) {
s >> i1_16;
ta[i] = i1_16;
}
painter->setTabArray( ta );
delete [] ta;
}
break;
case PdcSetVXform:
s >> i_8;
#ifndef QT_NO_TRANSFORMATIONS
painter->setViewXForm( i_8 );
#endif
break;
case PdcSetWindow:
s >> r;
#ifndef QT_NO_TRANSFORMATIONS
painter->setWindow( r );
#endif
break;
case PdcSetViewport:
s >> r;
#ifndef QT_NO_TRANSFORMATIONS
painter->setViewport( r );
#endif
break;
#endif
case PdcSetWXform:
m_qt4painter->setWorldMatrixEnabled( p[0].ival );
break;
case PdcSetWMatrix:
m_qt4painter->setWorldMatrix( qt4matrix, p[1].ival );
break;
#if 0
#ifndef QT_NO_TRANSFORMATIONS
case PdcSaveWMatrix:
painter->saveWorldMatrix();
break;
case PdcRestoreWMatrix:
painter->restoreWorldMatrix();
break;
#endif
#endif
case PdcSetClip:
m_qt4painter->setClipping( p[0].ival );
break;
case PdcSetClipRegion:
m_qt4painter->setClipRegion( qt4region, Qt::ReplaceClip );
break;
#endif
default:
#if defined(QT_CHECK_RANGE)
tqWarning( "TQt3CairoPaintDevice::cmd: Invalid command %d", c );
#endif
}
return TRUE;
}
/*!
Internal implementation of the virtual TQPaintDevice::metric()
function.
Use the TQPaintDeviceMetrics class instead.
A picture has the following hard-coded values: dpi=72,
numcolors=16777216 and depth=24.
\a m is the metric to get.
*/
int TQt3CairoPaintDevice::metric( int m ) const
{
int val;
if (m_surface) {
double x_pixels_per_inch;
double y_pixels_per_inch;
cairo_format_t format;
switch ( m ) {
// ### hard coded dpi and color depth values !
case TQPaintDeviceMetrics::PdmWidth:
val = cairo_image_surface_get_width(m_surface);
break;
case TQPaintDeviceMetrics::PdmHeight:
val = cairo_image_surface_get_height(m_surface);
break;
case TQPaintDeviceMetrics::PdmWidthMM:
cairo_surface_get_fallback_resolution(m_surface, &x_pixels_per_inch, &y_pixels_per_inch);
val = ((cairo_image_surface_get_width(m_surface)/x_pixels_per_inch)*25.4);
break;
case TQPaintDeviceMetrics::PdmHeightMM:
cairo_surface_get_fallback_resolution(m_surface, &x_pixels_per_inch, &y_pixels_per_inch);
val = ((cairo_image_surface_get_height(m_surface)/y_pixels_per_inch)*25.4);
break;
case TQPaintDeviceMetrics::PdmDpiX:
cairo_surface_get_fallback_resolution(m_surface, &x_pixels_per_inch, &y_pixels_per_inch);
val = x_pixels_per_inch;
break;
case TQPaintDeviceMetrics::PdmPhysicalDpiX:
cairo_surface_get_fallback_resolution(m_surface, &x_pixels_per_inch, &y_pixels_per_inch);
val = x_pixels_per_inch;
break;
case TQPaintDeviceMetrics::PdmDpiY:
cairo_surface_get_fallback_resolution(m_surface, &x_pixels_per_inch, &y_pixels_per_inch);
val = y_pixels_per_inch;
break;
case TQPaintDeviceMetrics::PdmPhysicalDpiY:
cairo_surface_get_fallback_resolution(m_surface, &x_pixels_per_inch, &y_pixels_per_inch);
val = y_pixels_per_inch;
break;
case TQPaintDeviceMetrics::PdmNumColors:
format = cairo_image_surface_get_format(m_surface);
if (format == CAIRO_FORMAT_ARGB32) {
val = INT_MAX;
}
else if (format == CAIRO_FORMAT_RGB24) {
val = 16777216;
}
else {
val = 16777216;
}
break;
case TQPaintDeviceMetrics::PdmDepth:
format = cairo_image_surface_get_format(m_surface);
if (format == CAIRO_FORMAT_ARGB32) {
val = 32;
}
else if (format == CAIRO_FORMAT_RGB24) {
val = 24;
}
else {
val = 24;
}
break;
default:
val = 0;
#if defined(QT_CHECK_RANGE)
tqWarning( "TQt3CairoPaintDevice::metric: Invalid metric command" );
#endif
}
}
else {
val = 0;
#if defined(QT_CHECK_RANGE)
tqWarning( "TQt3CairoPaintDevice::metric: No Cairo surface available" );
#endif
}
return val;
}

45
tdegtk/tqtcairopainter.h
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@ -0,0 +1,45 @@
/****************************************************************************
**
** Definition of TQt3CairoPaintDevice class
**
** Copyright (C) 2012 Timothy Pearson. All rights reserved.
**
** This file is part of the TDE Qt4 style interface
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TDEQT4PAINTER_H
#define TDEQT4PAINTER_H
#define TQT_NO_COMPAT_NAMES
#include "ntqpaintdevice.h"
#include "ntqbuffer.h"
#include <cairo.h>
class Q_EXPORT TQt3CairoPaintDevice : public TQPaintDevice // picture class
{
public:
TQt3CairoPaintDevice( cairo_surface_t * );
~TQt3CairoPaintDevice();
protected:
bool cmd( int, TQPainter *, TQPDevCmdParam * );
int metric( int ) const;
private:
cairo_surface_t *m_surface;
cairo_t *m_painter;
};
#endif // TDEQT4PAINTER_H

15
tests/Makefile.am
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@ -2,7 +2,8 @@ EXTRA_DIST = \
test-widgets.glade
noinst_PROGRAMS = \
test-widgets
test-widgets \
test-painter
test_widgets_CFLAGS = \
-I$(top_srcdir) \
@ -14,4 +15,16 @@ test_widgets_LDADD = \
test_widgets_LDFLAGS = \
$(TDEGTK_LDFLAGS)
test_painter_SOURCES = test-painter.cpp
test_painter_CXXFLAGS = \
-I$(top_srcdir) \
$(TDEGTK_CFLAGS)
test_painter_LDADD = \
$(TDEGTK_LIBADD)
test_painter_LDFLAGS = \
$(TDEGTK_LDFLAGS)
# FIXME(Cimi): Figure out what tests must be compiled and add them here.

27
tests/test-painter.cpp
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@ -0,0 +1,27 @@
#include <cairo.h>
int
main (int argc, char *argv[])
{
cairo_surface_t *surface;
cairo_t *cr;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 120, 120);
cr = cairo_create (surface);
/* Examples are in 1.0 x 1.0 coordinate space */
cairo_scale (cr, 120, 120);
/* Drawing code goes here */
cairo_set_line_width (cr, 0.1);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0.25, 0.25, 0.5, 0.5);
cairo_stroke (cr);
/* Write output and clean up */
cairo_surface_write_to_png (surface, "stroke.png");
cairo_destroy (cr);
cairo_surface_destroy (surface);
return 0;
}
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