Context Navigation

qpainter-h.html

Last change on this file was 190, checked in by rudi, 14 years ago
reference documentation added
File size: 23.5 KB

Line
1	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
2	<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qpainter.h:1 -->
3	<html>
4	<head>
5	<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
6	<title>qpainter.h Include File</title>
7	<style type="text/css"><!--
8	fn { margin-left: 1cm; text-indent: -1cm; }
9	a:link { color: #004faf; text-decoration: none }
10	a:visited { color: #672967; text-decoration: none }
11	body { background: #ffffff; color: black; }
12	--></style>
13	</head>
14	<body>
15
16	<table border="0" cellpadding="0" cellspacing="0" width="100%">
17	<tr bgcolor="#E5E5E5">
18	<td valign=center>
19	<a href="index.html">
20	<font color="#004faf">Home</font></a>
21	\| <a href="classes.html">
22	<font color="#004faf">All Classes</font></a>
23	\| <a href="mainclasses.html">
24	<font color="#004faf">Main Classes</font></a>
25	\| <a href="annotated.html">
26	<font color="#004faf">Annotated</font></a>
27	\| <a href="groups.html">
28	<font color="#004faf">Grouped Classes</font></a>
29	\| <a href="functions.html">
30	<font color="#004faf">Functions</font></a>
31	</td>
32	<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qpainter.h</h1>
33
34	<p>This is the verbatim text of the qpainter.h include file. It is provided only for illustration; the copyright remains with Trolltech.
35	<hr>
36	<pre>
37	/****************************************************************************
38	** $Id: qpainter-h.html 2051 2007-02-21 10:04:20Z chehrlic $
39	**
40	** Definition of QPainter class
41	**
42	** Created : 940112
43	**
44	** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
45	**
46	** This file is part of the kernel module of the Qt GUI Toolkit.
47	**
48	** This file may be distributed under the terms of the Q Public License
49	** as defined by Trolltech ASA of Norway and appearing in the file
50	** LICENSE.QPL included in the packaging of this file.
51	**
52	** This file may be distributed and/or modified under the terms of the
53	** GNU General Public License version 2 as published by the Free Software
54	** Foundation and appearing in the file LICENSE.GPL included in the
55	** packaging of this file.
56	**
57	** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
58	** licenses may use this file in accordance with the Qt Commercial License
59	** Agreement provided with the Software.
60	**
61	** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
62	** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
63	**
64	** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
65	** information about Qt Commercial License Agreements.
66	** See http://www.trolltech.com/qpl/ for QPL licensing information.
67	** See http://www.trolltech.com/gpl/ for GPL licensing information.
68	**
69	** Contact info@trolltech.com if any conditions of this licensing are
70	** not clear to you.
71	**
72	**********************************************************************/
73
74	#ifndef QPAINTER_H
75	#define QPAINTER_H
76
77
78	#ifndef QT_H
79	#include "qcolor.h"
80	#include "qfontmetrics.h"
81	#include "qfontinfo.h"
82	#include "qregion.h"
83	#include "qpen.h"
84	#include "qbrush.h"
85	#include "qpointarray.h"
86	#include "qwmatrix.h"
87	#endif // QT_H
88
89	class QGfx;
90	class QTextCodec;
91	class QTextParag;
92	class QPaintDevice;
93	class QTextItem;
94	#if defined( Q_WS_MAC )
95	class QMacSavedPortInfo;
96	#endif
97	class QPainterPrivate;
98
99	#if defined(Q_WS_QWS)
100	class QScreen;
101	#endif
102
103	class Q_EXPORT QPainter : public Qt
104	{
105	public:
106	enum CoordinateMode { CoordDevice, CoordPainter };
107
108	QPainter();
109	QPainter( const QPaintDevice *, bool unclipped = FALSE );
110	QPainter( const QPaintDevice , const QWidget , bool unclipped = FALSE );
111	~QPainter();
112
113	bool begin( const QPaintDevice *, bool unclipped = FALSE );
114	bool begin( const QPaintDevice , const QWidget , bool unclipped = FALSE );
115	bool end();
116	QPaintDevice *device() const;
117
118	#ifdef Q_WS_QWS
119	QGfx * internalGfx();
120	#ifdef QT_QWS_EXPERIMENTAL_SCREENPAINTER
121	bool begin(QScreen *screen);
122	#endif
123	#endif
124
125	static void redirect( QPaintDevice pdev, QPaintDevice replacement );
126	static QPaintDevice redirect( QPaintDevice pdev );
127
128	bool isActive() const;
129
130	void flush( const QRegion &region, CoordinateMode cm = CoordDevice );
131	void flush();
132	void save();
133	void restore();
134
135	// Drawing tools
136
137	QFontMetrics fontMetrics() const;
138	QFontInfo fontInfo() const;
139
140	const QFont &font() const;
141	void setFont( const QFont & );
142	const QPen &pen() const;
143	void setPen( const QPen & );
144	void setPen( PenStyle );
145	void setPen( const QColor & );
146	const QBrush &brush() const;
147	void setBrush( const QBrush & );
148	void setBrush( BrushStyle );
149	void setBrush( const QColor & );
150	QPoint pos() const;
151
152	// Drawing attributes/modes
153
154	const QColor &backgroundColor() const;
155	void setBackgroundColor( const QColor & );
156	BGMode backgroundMode() const;
157	void setBackgroundMode( BGMode );
158	RasterOp rasterOp() const;
159	void setRasterOp( RasterOp );
160	const QPoint &brushOrigin() const;
161	void setBrushOrigin( int x, int y );
162	void setBrushOrigin( const QPoint & );
163
164	// Scaling and transformations
165
166	// PaintUnit unit() const; // get set painter unit
167	// void setUnit( PaintUnit ); // NOT IMPLEMENTED!!!
168
169	bool hasViewXForm() const;
170	bool hasWorldXForm() const;
171
172	#ifndef QT_NO_TRANSFORMATIONS
173	void setViewXForm( bool ); // set xform on/off
174	QRect window() const; // get window
175	void setWindow( const QRect & ); // set window
176	void setWindow( int x, int y, int w, int h );
177	QRect viewport() const; // get viewport
178	void setViewport( const QRect & ); // set viewport
179	void setViewport( int x, int y, int w, int h );
180
181	void setWorldXForm( bool ); // set world xform on/off
182	const QWMatrix &worldMatrix() const; // get/set world xform matrix
183	void setWorldMatrix( const QWMatrix &, bool combine=FALSE );
184
185	void saveWorldMatrix();
186	void restoreWorldMatrix();
187
188	void scale( double sx, double sy );
189	void shear( double sh, double sv );
190	void rotate( double a );
191	#endif
192	void translate( double dx, double dy );
193	void resetXForm();
194	double translationX() const;
195	double translationY() const;
196
197	QPoint xForm( const QPoint & ) const; // map virtual -> device
198	QRect xForm( const QRect & ) const;
199	QPointArray xForm( const QPointArray & ) const;
200	QPointArray xForm( const QPointArray &, int index, int npoints ) const;
201	QPoint xFormDev( const QPoint & ) const; // map device -> virtual
202	QRect xFormDev( const QRect & ) const;
203	QPointArray xFormDev( const QPointArray & ) const;
204	QPointArray xFormDev( const QPointArray &, int index, int npoints ) const;
205
206	// Clipping
207
208	void setClipping( bool ); // set clipping on/off
209	bool hasClipping() const;
210	QRegion clipRegion( CoordinateMode = CoordDevice ) const;
211	void setClipRect( const QRect &, CoordinateMode = CoordDevice ); // set clip rectangle
212	void setClipRect( int x, int y, int w, int h, CoordinateMode = CoordDevice );
213	void setClipRegion( const QRegion &, CoordinateMode = CoordDevice );// set clip region
214
215	// Graphics drawing functions
216
217	void drawPoint( int x, int y );
218	void drawPoint( const QPoint & );
219	void drawPoints( const QPointArray& a,
220	int index=0, int npoints=-1 );
221	void moveTo( int x, int y );
222	void moveTo( const QPoint & );
223	void lineTo( int x, int y );
224	void lineTo( const QPoint & );
225	void drawLine( int x1, int y1, int x2, int y2 );
226	void drawLine( const QPoint &, const QPoint & );
227	void drawRect( int x, int y, int w, int h );
228	void drawRect( const QRect & );
229	void drawWinFocusRect( int x, int y, int w, int h );
230	void drawWinFocusRect( int x, int y, int w, int h,
231	const QColor &bgColor );
232	void drawWinFocusRect( const QRect & );
233	void drawWinFocusRect( const QRect &,
234	const QColor &bgColor );
235	void drawRoundRect( int x, int y, int w, int h, int = 25, int = 25 );
236	void drawRoundRect( const QRect &, int = 25, int = 25 );
237	void drawEllipse( int x, int y, int w, int h );
238	void drawEllipse( const QRect & );
239	void drawArc( int x, int y, int w, int h, int a, int alen );
240	void drawArc( const QRect &, int a, int alen );
241	void drawPie( int x, int y, int w, int h, int a, int alen );
242	void drawPie( const QRect &, int a, int alen );
243	void drawChord( int x, int y, int w, int h, int a, int alen );
244	void drawChord( const QRect &, int a, int alen );
245	void drawLineSegments( const QPointArray &,
246	int index=0, int nlines=-1 );
247	void drawPolyline( const QPointArray &,
248	int index=0, int npoints=-1 );
249	void drawPolygon( const QPointArray &, bool winding=FALSE,
250	int index=0, int npoints=-1 );
251	void drawConvexPolygon( const QPointArray &,
252	int index=0, int npoints=-1 );
253	#ifndef QT_NO_BEZIER
254	void drawCubicBezier( const QPointArray &, int index=0 );
255	#endif
256	void drawPixmap( int x, int y, const QPixmap &,
257	int sx=0, int sy=0, int sw=-1, int sh=-1 );
258	void drawPixmap( const QPoint &, const QPixmap &,
259	const QRect &sr );
260	void drawPixmap( const QPoint &, const QPixmap & );
261	void drawPixmap( const QRect &, const QPixmap & );
262	void drawImage( int x, int y, const QImage &,
263	int sx = 0, int sy = 0, int sw = -1, int sh = -1,
264	int conversionFlags = 0 );
265	void drawImage( const QPoint &, const QImage &,
266	const QRect &sr, int conversionFlags = 0 );
267	void drawImage( const QPoint &, const QImage &,
268	int conversion_flags = 0 );
269	void drawImage( const QRect &, const QImage & );
270	void drawTiledPixmap( int x, int y, int w, int h, const QPixmap &,
271	int sx=0, int sy=0 );
272	void drawTiledPixmap( const QRect &, const QPixmap &,
273	const QPoint & );
274	void drawTiledPixmap( const QRect &, const QPixmap & );
275	#ifndef QT_NO_PICTURE
276	void drawPicture( const QPicture & );
277	void drawPicture( int x, int y, const QPicture & );
278	void drawPicture( const QPoint &, const QPicture & );
279	#endif
280
281	void fillRect( int x, int y, int w, int h, const QBrush & );
282	void fillRect( const QRect &, const QBrush & );
283	void eraseRect( int x, int y, int w, int h );
284	void eraseRect( const QRect & );
285
286	// Text drawing functions
287
288	enum TextDirection {
289	Auto,
290	RTL,
291	LTR
292	};
293
294	void drawText( int x, int y, const QString &, int len = -1, TextDirection dir = Auto );
295	void drawText( const QPoint &, const QString &, int len = -1, TextDirection dir = Auto );
296
297	void drawText( int x, int y, const QString &, int pos, int len, TextDirection dir = Auto );
298	void drawText( const QPoint &p, const QString &, int pos, int len, TextDirection dir = Auto );
299
300	void drawText( int x, int y, int w, int h, int flags,
301	const QString&, int len = -1, QRect *br=0,
302	QTextParag **intern=0 );
303	void drawText( const QRect &, int flags,
304	const QString&, int len = -1, QRect *br=0,
305	QTextParag **intern=0 );
306
307	void drawTextItem( int x, int y, const QTextItem &ti, int textflags = 0 );
308	void drawTextItem( const QPoint& p, const QTextItem &ti, int textflags = 0 );
309
310	QRect boundingRect( int x, int y, int w, int h, int flags,
311	const QString&, int len = -1, QTextParag **intern=0 );
312	QRect boundingRect( const QRect &, int flags,
313	const QString&, int len = -1, QTextParag **intern=0 );
314
315	int tabStops() const;
316	void setTabStops( int );
317	int *tabArray() const;
318	void setTabArray( int * );
319
320	// Other functions
321
322	#if defined(Q_WS_WIN)
323	HDC handle() const;
324	#elif defined(Q_WS_X11) \|\| defined(Q_WS_MAC)
325	HANDLE handle() const;
326	#endif
327
328
329	static void initialize();
330	static void cleanup();
331
332	private:
333	void init();
334	void destroy();
335	void updateFont();
336	void updatePen();
337	void updateBrush();
338	#ifndef QT_NO_TRANSFORMATIONS
339	void updateXForm();
340	void updateInvXForm();
341	#endif
342	void map( int, int, int rx, int ry ) const;
343	void map( int, int, int, int, int , int , int , int ) const;
344	void mapInv( int, int, int , int ) const;
345	void mapInv( int, int, int, int, int , int , int , int ) const;
346	void drawPolyInternal( const QPointArray &, bool close=TRUE );
347	void drawWinFocusRect( int x, int y, int w, int h, bool xorPaint,
348	const QColor &penColor );
349
350	enum { IsActive=0x01, ExtDev=0x02, IsStartingUp=0x04, NoCache=0x08,
351	VxF=0x10, WxF=0x20, ClipOn=0x40, SafePolygon=0x80, MonoDev=0x100,
352	DirtyFont=0x200, DirtyPen=0x400, DirtyBrush=0x800,
353	RGBColor=0x1000, FontMet=0x2000, FontInf=0x4000, CtorBegin=0x8000,
354	UsePrivateCx = 0x10000, VolatileDC = 0x20000, Qt2Compat = 0x40000 };
355	uint flags;
356	bool testf( uint b ) const { return (flags&b)!=0; }
357	void setf( uint b ) { flags \|= b; }
358	void setf( uint b, bool v );
359	void clearf( uint b ) { flags &= (uint)(~b); }
360	void fix_neg_rect( int x, int y, int w, int h );
361
362	QPainterPrivate *d;
363	QPaintDevice *pdev;
364	QColor bg_col;
365	uchar bg_mode;
366	uchar rop;
367	uchar pu;
368	QPoint bro;
369	QFont cfont;
370	QFont *pfont; // font used for metrics (might be different for printers)
371	QPen cpen;
372	QBrush cbrush;
373	QRegion crgn;
374	int tabstops;
375	int *tabarray;
376	int tabarraylen;
377	bool block_ext; // for temporary blocking of external devices
378
379	// Transformations
380	#ifndef QT_NO_TRANSFORMATIONS
381	QCOORD wx, wy, ww, wh;
382	QCOORD vx, vy, vw, vh;
383	QWMatrix wxmat;
384
385	// Cached composition (and inverse) of transformations
386	QWMatrix xmat;
387	QWMatrix ixmat;
388
389
390
391	double m11() const { return xmat.m11(); }
392	double m12() const { return xmat.m12(); }
393	double m21() const { return xmat.m21(); }
394	double m22() const { return xmat.m22(); }
395	double dx() const { return xmat.dx(); }
396	double dy() const { return xmat.dy(); }
397	double im11() const { return ixmat.m11(); }
398	double im12() const { return ixmat.m12(); }
399	double im21() const { return ixmat.m21(); }
400	double im22() const { return ixmat.m22(); }
401	double idx() const { return ixmat.dx(); }
402	double idy() const { return ixmat.dy(); }
403
404	int txop;
405	bool txinv;
406
407	#else
408	// even without transformations we still have translations
409	int xlatex;
410	int xlatey;
411	#endif
412
413	void *penRef; // pen cache ref
414	void *brushRef; // brush cache ref
415	void *ps_stack;
416	void *wm_stack;
417	void killPStack();
418
419	protected:
420	#ifdef Q_OS_TEMP
421	QPoint internalCurrentPos;
422	uint old_pix; // ### All win platforms in 4.0
423	#endif
424	#if defined(Q_WS_WIN)
425	friend class QFontEngineWin;
426	friend class QFontEngineBox;
427	QT_WIN_PAINTER_MEMBERS
428	#elif defined(Q_WS_X11)
429	friend class QFontEngineXLFD;
430	friend class QFontEngineXft;
431	friend class QFontEngineBox;
432	Display *dpy; // current display
433	int scrn; // current screen
434	Qt::HANDLE hd; // handle to drawable
435	Qt::HANDLE rendhd; // handle to Xft draw
436	GC gc; // graphics context (standard)
437	GC gc_brush; // graphics contect for brush
438	QPoint curPt; // current point
439	uint clip_serial; // clipping serial number
440	#elif defined(Q_WS_MAC)
441	Qt::HANDLE hd; // handle to drawable
442	void initPaintDevice(bool force=FALSE, QPoint off=NULL, QRegion rgn=NULL);
443	friend const QRegion &qt_mac_update_painter(QPainter *, bool);
444	friend class QFontEngineMac;
445	friend class QMacPainter;
446	#elif defined(Q_WS_QWS)
447	friend class QFontEngine;
448	QGfx * gfx;
449	friend void qwsUpdateActivePainters();
450	#endif
451	friend class QFontMetrics;
452	friend class QFontInfo;
453	friend class QTextLayout;
454	friend void qt_format_text( const QFont &, const QRect &r,
455	int tf, const QString& str, int len, QRect *brect,
456	int tabstops, int* tabarray, int tabarraylen,
457	QTextParag *internal, QPainter painter );
458	friend void qt_draw_background( QPainter *p, int x, int y, int w, int h );
459	friend void qt_draw_transformed_rect( QPainter *p, int x, int y, int w, int h, bool fill );
460	friend class QPrinter;
461
462	private: // Disabled copy constructor and operator=
463	#if defined(Q_DISABLE_COPY)
464	QPainter( const QPainter & );
465	QPainter &operator=( const QPainter & );
466	#endif
467
468	enum TransformationCodes {
469	TxNone = 0, // transformation codes
470	TxTranslate = 1, // copy in qpainter_*.cpp
471	TxScale = 2,
472	TxRotShear = 3
473	};
474	};
475
476
477	/*****************************************************************************
478	QPainter member functions
479	*****************************************************************************/
480
481	inline QPaintDevice *QPainter::device() const
482	{
483	return pdev;
484	}
485
486	inline bool QPainter::isActive() const
487	{
488	return testf(IsActive);
489	}
490
491	inline const QFont &QPainter::font() const
492	{
493	return cfont;
494	}
495
496	inline const QPen &QPainter::pen() const
497	{
498	return cpen;
499	}
500
501	inline const QBrush &QPainter::brush() const
502	{
503	return cbrush;
504	}
505
506	/*
507	inline PaintUnit QPainter::unit() const
508	{
509	return (PaintUnit)pu;
510	}
511	*/
512
513	inline const QColor &QPainter::backgroundColor() const
514	{
515	return bg_col;
516	}
517
518	inline Qt::BGMode QPainter::backgroundMode() const
519	{
520	return (BGMode)bg_mode;
521	}
522
523	inline Qt::RasterOp QPainter::rasterOp() const
524	{
525	return (RasterOp)rop;
526	}
527
528	inline const QPoint &QPainter::brushOrigin() const
529	{
530	return bro;
531	}
532
533	inline bool QPainter::hasViewXForm() const
534	{
535	#ifndef QT_NO_TRANSFORMATIONS
536	return testf(VxF);
537	#else
538	return xlatex \|\| xlatey;
539	#endif
540	}
541
542	inline bool QPainter::hasWorldXForm() const
543	{
544	#ifndef QT_NO_TRANSFORMATIONS
545	return testf(WxF);
546	#else
547	return xlatex \|\| xlatey;
548	#endif
549	}
550
551	inline double QPainter::translationX() const
552	{
553	#ifndef QT_NO_TRANSFORMATIONS
554	return worldMatrix().dx();
555	#else
556	return xlatex;
557	#endif
558	}
559
560	inline double QPainter::translationY() const
561	{
562	#ifndef QT_NO_TRANSFORMATIONS
563	return worldMatrix().dy();
564	#else
565	return xlatey;
566	#endif
567	}
568
569
570	inline bool QPainter::hasClipping() const
571	{
572	return testf(ClipOn);
573	}
574
575	inline int QPainter::tabStops() const
576	{
577	return tabstops;
578	}
579
580	inline int *QPainter::tabArray() const
581	{
582	return tabarray;
583	}
584
585	#if defined(Q_WS_WIN)
586	inline HDC QPainter::handle() const
587	{
588	return hdc;
589	}
590	#elif defined(Q_WS_X11) \|\| defined(Q_WS_MAC)
591	inline Qt::HANDLE QPainter::handle() const
592	{
593	return hd;
594	}
595	#endif
596
597	inline void QPainter::setBrushOrigin( const QPoint &p )
598	{
599	setBrushOrigin( p.x(), p.y() );
600	}
601
602	#ifndef QT_NO_TRANSFORMATIONS
603	inline void QPainter::setWindow( const QRect &r )
604	{
605	setWindow( r.x(), r.y(), r.width(), r.height() );
606	}
607
608	inline void QPainter::setViewport( const QRect &r )
609	{
610	setViewport( r.x(), r.y(), r.width(), r.height() );
611	}
612	#endif
613
614	inline void QPainter::setClipRect( int x, int y, int w, int h, CoordinateMode m )
615	{
616	setClipRect( QRect(x,y,w,h), m );
617	}
618
619	inline void QPainter::drawPoint( const QPoint &p )
620	{
621	drawPoint( p.x(), p.y() );
622	}
623
624	inline void QPainter::moveTo( const QPoint &p )
625	{
626	moveTo( p.x(), p.y() );
627	}
628
629	inline void QPainter::lineTo( const QPoint &p )
630	{
631	lineTo( p.x(), p.y() );
632	}
633
634	inline void QPainter::drawLine( const QPoint &p1, const QPoint &p2 )
635	{
636	drawLine( p1.x(), p1.y(), p2.x(), p2.y() );
637	}
638
639	inline void QPainter::drawRect( const QRect &r )
640	{
641	drawRect( r.x(), r.y(), r.width(), r.height() );
642	}
643
644	inline void QPainter::drawWinFocusRect( const QRect &r )
645	{
646	drawWinFocusRect( r.x(), r.y(), r.width(), r.height() );
647	}
648
649	inline void QPainter::drawWinFocusRect( const QRect &r,const QColor &penColor )
650	{
651	drawWinFocusRect( r.x(), r.y(), r.width(), r.height(), penColor );
652	}
653
654	inline void QPainter::drawRoundRect( const QRect &r, int xRnd, int yRnd )
655	{
656	drawRoundRect( r.x(), r.y(), r.width(), r.height(), xRnd, yRnd );
657	}
658
659	inline void QPainter::drawEllipse( const QRect &r )
660	{
661	drawEllipse( r.x(), r.y(), r.width(), r.height() );
662	}
663
664	inline void QPainter::drawArc( const QRect &r, int a, int alen )
665	{
666	drawArc( r.x(), r.y(), r.width(), r.height(), a, alen );
667	}
668
669	inline void QPainter::drawPie( const QRect &r, int a, int alen )
670	{
671	drawPie( r.x(), r.y(), r.width(), r.height(), a, alen );
672	}
673
674	inline void QPainter::drawChord( const QRect &r, int a, int alen )
675	{
676	drawChord( r.x(), r.y(), r.width(), r.height(), a, alen );
677	}
678
679	inline void QPainter::drawPixmap( const QPoint &p, const QPixmap &pm,
680	const QRect &sr )
681	{
682	drawPixmap( p.x(), p.y(), pm, sr.x(), sr.y(), sr.width(), sr.height() );
683	}
684
685	inline void QPainter::drawImage( const QPoint &p, const QImage &pm,
686	const QRect &sr, int conversionFlags )
687	{
688	drawImage( p.x(), p.y(), pm,
689	sr.x(), sr.y(), sr.width(), sr.height(), conversionFlags );
690	}
691
692	inline void QPainter::drawTiledPixmap( const QRect &r, const QPixmap &pm,
693	const QPoint &sp )
694	{
695	drawTiledPixmap( r.x(), r.y(), r.width(), r.height(), pm, sp.x(), sp.y() );
696	}
697
698	inline void QPainter::drawTiledPixmap( const QRect &r, const QPixmap &pm )
699	{
700	drawTiledPixmap( r.x(), r.y(), r.width(), r.height(), pm, 0, 0 );
701	}
702
703	inline void QPainter::fillRect( const QRect &r, const QBrush &brush )
704	{
705	fillRect( r.x(), r.y(), r.width(), r.height(), brush );
706	}
707
708	inline void QPainter::eraseRect( int x, int y, int w, int h )
709	{
710	fillRect( x, y, w, h, backgroundColor() );
711	}
712
713	inline void QPainter::eraseRect( const QRect &r )
714	{
715	fillRect( r.x(), r.y(), r.width(), r.height(), backgroundColor() );
716	}
717
718	inline void QPainter::drawText( const QPoint &p, const QString &s, int len, TextDirection dir )
719	{
720	drawText( p.x(), p.y(), s, 0, len, dir );
721	}
722
723	inline void QPainter::drawText( const QPoint &p, const QString &s, int pos, int len, TextDirection dir )
724	{
725	drawText( p.x(), p.y(), s, pos, len, dir );
726	}
727
728	inline void QPainter::drawText( int x, int y, int w, int h, int tf,
729	const QString& str, int len, QRect br, QTextParag *i )
730	{
731	QRect r(x, y, w, h);
732	drawText( r, tf, str, len, br, i );
733	}
734
735	inline void QPainter::drawTextItem( const QPoint& p, const QTextItem &ti, int textflags )
736	{
737	drawTextItem( p.x(), p.y(), ti, textflags );
738	}
739
740	inline QRect QPainter::boundingRect( int x, int y, int w, int h, int tf,
741	const QString& str, int len, QTextParag **i )
742	{
743	QRect r(x, y, w, h);
744	return boundingRect( r, tf, str, len, i );
745	}
746
747	#if defined(Q_WS_QWS)
748	inline QGfx * QPainter::internalGfx()
749	{
750	return gfx;
751	}
752	#endif
753
754	#endif // QPAINTER_H
755	</pre>
756	<!-- eof -->
757	<p><address><hr><div align=center>
758	<table width=100% cellspacing=0 border=0><tr>
759	<td>Copyright © 2007
760	<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
761	<td align=right><div align=right>Qt 3.3.8</div>
762	</table></div></address></body>
763	</html>

Note: See TracBrowser for help on using the repository browser.

Context Navigation

source: trunk/doc/html/qpainter-h.html

Download in other formats: