qpainter.3qt

Linux下的基于X11的图形开发环境。

'\" t
.TH QPainter 3qt "9 December 2002" "Trolltech AS" \" -*- nroff -*-
.\" Copyright 1992-2001 Trolltech AS.  All rights reserved.  See the
.\" license file included in the distribution for a complete license
.\" statement.
.\"
.ad l
.nh
.SH NAME
QPainter \- Does low-level painting e.g. on widgets
.SH SYNOPSIS
\fC#include <qpainter.h>\fR
.PP
Inherits Qt.
.PP
Inherited by QDirectPainter.
.PP
.SS "Public Members"
.in +1c
.ti -1c
.BI "enum \fBCoordinateMode\fR { CoordDevice, CoordPainter }"
.br
.ti -1c
.BI "\fBQPainter\fR ()"
.br
.ti -1c
.BI "\fBQPainter\fR ( const QPaintDevice * pd, bool unclipped = FALSE )"
.br
.ti -1c
.BI "\fBQPainter\fR ( const QPaintDevice * pd, const QWidget * copyAttributes, bool unclipped = FALSE )"
.br
.ti -1c
.BI "\fB~QPainter\fR ()"
.br
.ti -1c
.BI "bool \fBbegin\fR ( const QPaintDevice * pd, bool unclipped = FALSE )"
.br
.ti -1c
.BI "bool \fBbegin\fR ( const QPaintDevice * pd, const QWidget * copyAttributes, bool unclipped = FALSE )"
.br
.ti -1c
.BI "bool \fBend\fR ()"
.br
.ti -1c
.BI "QPaintDevice * \fBdevice\fR () const"
.br
.ti -1c
.BI "bool \fBisActive\fR () const"
.br
.ti -1c
.BI "void \fBflush\fR ( const QRegion & region, CoordinateMode cm = CoordDevice )"
.br
.ti -1c
.BI "void \fBflush\fR ()"
.br
.ti -1c
.BI "void \fBsave\fR ()"
.br
.ti -1c
.BI "void \fBrestore\fR ()"
.br
.ti -1c
.BI "QFontMetrics \fBfontMetrics\fR () const"
.br
.ti -1c
.BI "QFontInfo \fBfontInfo\fR () const"
.br
.ti -1c
.BI "const QFont & \fBfont\fR () const"
.br
.ti -1c
.BI "void \fBsetFont\fR ( const QFont & font )"
.br
.ti -1c
.BI "const QPen & \fBpen\fR () const"
.br
.ti -1c
.BI "void \fBsetPen\fR ( const QPen & pen )"
.br
.ti -1c
.BI "void \fBsetPen\fR ( PenStyle style )"
.br
.ti -1c
.BI "void \fBsetPen\fR ( const QColor & color )"
.br
.ti -1c
.BI "const QBrush & \fBbrush\fR () const"
.br
.ti -1c
.BI "void \fBsetBrush\fR ( const QBrush & brush )"
.br
.ti -1c
.BI "void \fBsetBrush\fR ( BrushStyle style )"
.br
.ti -1c
.BI "void \fBsetBrush\fR ( const QColor & color )"
.br
.ti -1c
.BI "QPoint \fBpos\fR () const"
.br
.ti -1c
.BI "const QColor & \fBbackgroundColor\fR () const"
.br
.ti -1c
.BI "void \fBsetBackgroundColor\fR ( const QColor & c )"
.br
.ti -1c
.BI "BGMode \fBbackgroundMode\fR () const"
.br
.ti -1c
.BI "void \fBsetBackgroundMode\fR ( BGMode m )"
.br
.ti -1c
.BI "RasterOp \fBrasterOp\fR () const"
.br
.ti -1c
.BI "void \fBsetRasterOp\fR ( RasterOp r )"
.br
.ti -1c
.BI "const QPoint & \fBbrushOrigin\fR () const"
.br
.ti -1c
.BI "void \fBsetBrushOrigin\fR ( int x, int y )"
.br
.ti -1c
.BI "void \fBsetBrushOrigin\fR ( const QPoint & p )"
.br
.ti -1c
.BI "bool \fBhasViewXForm\fR () const"
.br
.ti -1c
.BI "bool \fBhasWorldXForm\fR () const"
.br
.ti -1c
.BI "void \fBsetViewXForm\fR ( bool enable )"
.br
.ti -1c
.BI "QRect \fBwindow\fR () const"
.br
.ti -1c
.BI "void \fBsetWindow\fR ( const QRect & r )"
.br
.ti -1c
.BI "void \fBsetWindow\fR ( int x, int y, int w, int h )"
.br
.ti -1c
.BI "QRect \fBviewport\fR () const"
.br
.ti -1c
.BI "void \fBsetViewport\fR ( const QRect & r )"
.br
.ti -1c
.BI "void \fBsetViewport\fR ( int x, int y, int w, int h )"
.br
.ti -1c
.BI "void \fBsetWorldXForm\fR ( bool enable )"
.br
.ti -1c
.BI "const QWMatrix & \fBworldMatrix\fR () const"
.br
.ti -1c
.BI "void \fBsetWorldMatrix\fR ( const QWMatrix & m, bool combine = FALSE )"
.br
.ti -1c
.BI "void saveWorldMatrix ()  \fI(obsolete)\fR"
.br
.ti -1c
.BI "void restoreWorldMatrix ()  \fI(obsolete)\fR"
.br
.ti -1c
.BI "void \fBscale\fR ( double sx, double sy )"
.br
.ti -1c
.BI "void \fBshear\fR ( double sh, double sv )"
.br
.ti -1c
.BI "void \fBrotate\fR ( double a )"
.br
.ti -1c
.BI "void \fBtranslate\fR ( double dx, double dy )"
.br
.ti -1c
.BI "void \fBresetXForm\fR ()"
.br
.ti -1c
.BI "QPoint \fBxForm\fR ( const QPoint & pv ) const"
.br
.ti -1c
.BI "QRect \fBxForm\fR ( const QRect & rv ) const"
.br
.ti -1c
.BI "QPointArray \fBxForm\fR ( const QPointArray & av ) const"
.br
.ti -1c
.BI "QPointArray \fBxForm\fR ( const QPointArray & av, int index, int npoints ) const"
.br
.ti -1c
.BI "QPoint \fBxFormDev\fR ( const QPoint & pd ) const"
.br
.ti -1c
.BI "QRect \fBxFormDev\fR ( const QRect & rd ) const"
.br
.ti -1c
.BI "QPointArray \fBxFormDev\fR ( const QPointArray & ad ) const"
.br
.ti -1c
.BI "QPointArray \fBxFormDev\fR ( const QPointArray & ad, int index, int npoints ) const"
.br
.ti -1c
.BI "void \fBsetClipping\fR ( bool enable )"
.br
.ti -1c
.BI "bool \fBhasClipping\fR () const"
.br
.ti -1c
.BI "QRegion \fBclipRegion\fR ( CoordinateMode m = CoordDevice ) const"
.br
.ti -1c
.BI "void \fBsetClipRect\fR ( const QRect & r, CoordinateMode m = CoordDevice )"
.br
.ti -1c
.BI "void \fBsetClipRect\fR ( int x, int y, int w, int h, CoordinateMode m = CoordDevice )"
.br
.ti -1c
.BI "void \fBsetClipRegion\fR ( const QRegion & rgn, CoordinateMode m = CoordDevice )"
.br
.ti -1c
.BI "void \fBdrawPoint\fR ( int x, int y )"
.br
.ti -1c
.BI "void \fBdrawPoint\fR ( const QPoint & p )"
.br
.ti -1c
.BI "void \fBdrawPoints\fR ( const QPointArray & a, int index = 0, int npoints = -1 )"
.br
.ti -1c
.BI "void \fBmoveTo\fR ( int x, int y )"
.br
.ti -1c
.BI "void \fBmoveTo\fR ( const QPoint & p )"
.br
.ti -1c
.BI "void \fBlineTo\fR ( int x, int y )"
.br
.ti -1c
.BI "void \fBlineTo\fR ( const QPoint & p )"
.br
.ti -1c
.BI "void \fBdrawLine\fR ( int x1, int y1, int x2, int y2 )"
.br
.ti -1c
.BI "void \fBdrawLine\fR ( const QPoint & p1, const QPoint & p2 )"
.br
.ti -1c
.BI "void \fBdrawRect\fR ( int x, int y, int w, int h )"
.br
.ti -1c
.BI "void \fBdrawRect\fR ( const QRect & r )"
.br
.ti -1c
.BI "void \fBdrawWinFocusRect\fR ( int x, int y, int w, int h )"
.br
.ti -1c
.BI "void \fBdrawWinFocusRect\fR ( int x, int y, int w, int h, const QColor & bgColor )"
.br
.ti -1c
.BI "void \fBdrawWinFocusRect\fR ( const QRect & r )"
.br
.ti -1c
.BI "void \fBdrawWinFocusRect\fR ( const QRect & r, const QColor & bgColor )"
.br
.ti -1c
.BI "void \fBdrawRoundRect\fR ( int x, int y, int w, int h, int xRnd = 25, int yRnd = 25 )"
.br
.ti -1c
.BI "void \fBdrawRoundRect\fR ( const QRect & r, int xRnd = 25, int yRnd = 25 )"
.br
.ti -1c
.BI "void \fBdrawEllipse\fR ( int x, int y, int w, int h )"
.br
.ti -1c
.BI "void \fBdrawEllipse\fR ( const QRect & r )"
.br
.ti -1c
.BI "void \fBdrawArc\fR ( int x, int y, int w, int h, int a, int alen )"
.br
.ti -1c
.BI "void \fBdrawArc\fR ( const QRect & r, int a, int alen )"
.br
.ti -1c
.BI "void \fBdrawPie\fR ( int x, int y, int w, int h, int a, int alen )"
.br
.ti -1c
.BI "void \fBdrawPie\fR ( const QRect & r, int a, int alen )"
.br
.ti -1c
.BI "void \fBdrawChord\fR ( int x, int y, int w, int h, int a, int alen )"
.br
.ti -1c