summaryrefslogtreecommitdiffstats
path: root/doc/html/qcanvas-h.html
diff options
context:
space:
mode:
authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/qcanvas-h.html
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/qcanvas-h.html')
-rw-r--r--doc/html/qcanvas-h.html861
1 files changed, 861 insertions, 0 deletions
diff --git a/doc/html/qcanvas-h.html b/doc/html/qcanvas-h.html
new file mode 100644
index 0000000..3ce0133
--- /dev/null
+++ b/doc/html/qcanvas-h.html
@@ -0,0 +1,861 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qcanvas.h:1 -->
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>qcanvas.h Include File</title>
+<style type="text/css"><!--
+fn { margin-left: 1cm; text-indent: -1cm; }
+a:link { color: #004faf; text-decoration: none }
+a:visited { color: #672967; text-decoration: none }
+body { background: #ffffff; color: black; }
+--></style>
+</head>
+<body>
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+<tr bgcolor="#E5E5E5">
+<td valign=center>
+ <a href="index.html">
+<font color="#004faf">Home</font></a>
+ | <a href="classes.html">
+<font color="#004faf">All&nbsp;Classes</font></a>
+ | <a href="mainclasses.html">
+<font color="#004faf">Main&nbsp;Classes</font></a>
+ | <a href="annotated.html">
+<font color="#004faf">Annotated</font></a>
+ | <a href="groups.html">
+<font color="#004faf">Grouped&nbsp;Classes</font></a>
+ | <a href="functions.html">
+<font color="#004faf">Functions</font></a>
+</td>
+<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qcanvas.h</h1>
+
+<p>This is the verbatim text of the qcanvas.h include file. It is provided only for illustration; the copyright remains with Trolltech.
+<hr>
+<pre>
+/**********************************************************************
+** $Id: qt/qcanvas.h 3.3.8 edited Jan 11 14:46 $
+**
+** Definition of QCanvas classes
+**
+** Created : 991211
+**
+** Copyright (C) 1999-2007 Trolltech ASA. All rights reserved.
+**
+** This file is part of the canvas module of the Qt GUI Toolkit.
+**
+** 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 file LICENSE.GPL included in the
+** packaging of this file. Alternatively you may (at your option) use any
+** later version of the GNU General Public License if such license has
+** been publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file. Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** Commercial License Agreement provided with the Software.
+**
+** 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 QCANVAS_H
+#define QCANVAS_H
+
+#ifndef QT_H
+#include "qscrollview.h"
+#include "qpixmap.h"
+#include "qptrlist.h"
+#include "qbrush.h"
+#include "qpen.h"
+#include "qvaluelist.h"
+#include "qpointarray.h"
+#endif // QT_H
+
+#if !defined( QT_MODULE_CANVAS ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_CANVAS )
+#define QM_EXPORT_CANVAS
+#define QM_TEMPLATE_EXTERN_CANVAS
+#else
+#define QM_EXPORT_CANVAS Q_EXPORT
+#define QM_TEMPLATE_EXTERN_CANVAS Q_TEMPLATE_EXTERN
+#endif
+
+#ifndef QT_NO_CANVAS
+
+
+class QCanvasSprite;
+class QCanvasPolygonalItem;
+class QCanvasRectangle;
+class QCanvasPolygon;
+class QCanvasEllipse;
+class QCanvasText;
+class QCanvasLine;
+class QCanvasChunk;
+class QCanvas;
+class QCanvasItem;
+class QCanvasView;
+class QCanvasPixmap;
+
+#if defined(Q_TEMPLATEDLL) &amp;&amp; ( !defined(Q_CC_BOR) || !defined(QT_MAKEDLL) || defined(Q_EXPORT_TEMPLATES) )
+// MOC_SKIP_BEGIN
+QM_TEMPLATE_EXTERN_CANVAS template class QM_EXPORT_CANVAS QValueListIterator&lt; QCanvasItem* &gt;;
+QM_TEMPLATE_EXTERN_CANVAS template class QM_EXPORT_CANVAS QValueList&lt; QCanvasItem* &gt;;
+// MOC_SKIP_END
+#endif
+
+class QM_EXPORT_CANVAS QCanvasItemList : public QValueList&lt;QCanvasItem*&gt; {
+public:
+ void sort();
+ void drawUnique( QPainter&amp; painter );
+ QCanvasItemList operator+(const QCanvasItemList &amp;l) const;
+};
+
+
+class QCanvasItemExtra;
+
+class QM_EXPORT_CANVAS QCanvasItem : public Qt
+{
+public:
+ QCanvasItem(QCanvas* canvas);
+ virtual ~QCanvasItem();
+
+ double x() const
+ { return myx; }
+ double y() const
+ { return myy; }
+ double z() const
+ { return myz; } // (depth)
+
+ virtual void moveBy(double dx, double dy);
+ void move(double x, double y);
+ void setX(double a) { move(a,y()); }
+ void setY(double a) { move(x(),a); }
+ void setZ(double a) { myz=a; changeChunks(); }
+
+ bool animated() const;
+ virtual void setAnimated(bool y);
+ virtual void setVelocity( double vx, double vy);
+ void setXVelocity( double vx ) { setVelocity(vx,yVelocity()); }
+ void setYVelocity( double vy ) { setVelocity(xVelocity(),vy); }
+ double xVelocity() const;
+ double yVelocity() const;
+ virtual void advance(int stage);
+
+ virtual bool collidesWith( const QCanvasItem* ) const=0;
+
+ QCanvasItemList collisions(bool exact /* NO DEFAULT */ ) const;
+
+ virtual void setCanvas(QCanvas*);
+
+ virtual void draw(QPainter&amp;)=0;
+
+ void show();
+ void hide();
+
+ virtual void setVisible(bool yes);
+ bool isVisible() const
+ { return (bool)vis; }
+ virtual void setSelected(bool yes);
+ bool isSelected() const
+ { return (bool)sel; }
+ virtual void setEnabled(bool yes);
+ bool isEnabled() const
+ { return (bool)ena; }
+ virtual void setActive(bool yes);
+ bool isActive() const
+ { return (bool)act; }
+#ifndef QT_NO_COMPAT
+ bool visible() const
+ { return (bool)vis; }
+ bool selected() const
+ { return (bool)sel; }
+ bool enabled() const
+ { return (bool)ena; }
+ bool active() const
+ { return (bool)act; }
+#endif
+
+ enum RttiValues {
+ Rtti_Item = 0,
+ Rtti_Sprite = 1,
+ Rtti_PolygonalItem = 2,
+ Rtti_Text = 3,
+ Rtti_Polygon = 4,
+ Rtti_Rectangle = 5,
+ Rtti_Ellipse = 6,
+ Rtti_Line = 7,
+ Rtti_Spline = 8
+ };
+
+ virtual int rtti() const;
+ static int RTTI;
+
+ virtual QRect boundingRect() const=0;
+ virtual QRect boundingRectAdvanced() const;
+
+ QCanvas* canvas() const
+ { return cnv; }
+
+protected:
+ void update() { changeChunks(); }
+
+private:
+ // For friendly subclasses...
+
+ friend class QCanvasPolygonalItem;
+ friend class QCanvasSprite;
+ friend class QCanvasRectangle;
+ friend class QCanvasPolygon;
+ friend class QCanvasEllipse;
+ friend class QCanvasText;
+ friend class QCanvasLine;
+
+ virtual QPointArray chunks() const;
+ virtual void addToChunks();
+ virtual void removeFromChunks();
+ virtual void changeChunks();
+ virtual bool collidesWith( const QCanvasSprite*,
+ const QCanvasPolygonalItem*,
+ const QCanvasRectangle*,
+ const QCanvasEllipse*,
+ const QCanvasText* ) const = 0;
+ // End of friend stuff
+
+ QCanvas* cnv;
+ static QCanvas* current_canvas;
+ double myx,myy,myz;
+ QCanvasItemExtra *ext;
+ QCanvasItemExtra&amp; extra();
+ uint ani:1;
+ uint vis:1;
+ uint val:1;
+ uint sel:1;
+ uint ena:1;
+ uint act:1;
+};
+
+
+class QCanvasData;
+
+class QM_EXPORT_CANVAS QCanvas : public QObject
+{
+ Q_OBJECT
+public:
+ QCanvas( QObject* parent = 0, const char* name = 0 );
+ QCanvas(int w, int h);
+ QCanvas( QPixmap p, int h, int v, int tilewidth, int tileheight );
+
+ virtual ~QCanvas();
+
+ virtual void setTiles( QPixmap tiles, int h, int v,
+ int tilewidth, int tileheight );
+ virtual void setBackgroundPixmap( const QPixmap&amp; p );
+ QPixmap backgroundPixmap() const;
+
+ virtual void setBackgroundColor( const QColor&amp; c );
+ QColor backgroundColor() const;
+
+ virtual void setTile( int x, int y, int tilenum );
+ int tile( int x, int y ) const
+ { return grid[x+y*htiles]; }
+
+ int tilesHorizontally() const
+ { return htiles; }
+ int tilesVertically() const
+ { return vtiles; }
+
+ int tileWidth() const
+ { return tilew; }
+ int tileHeight() const
+ { return tileh; }
+
+ virtual void resize(int width, int height);
+ int width() const
+ { return awidth; }
+ int height() const
+ { return aheight; }
+ QSize size() const
+ { return QSize(awidth,aheight); }
+ QRect rect() const
+ { return QRect( 0, 0, awidth, aheight ); }
+ bool onCanvas( int x, int y ) const
+ { return x&gt;=0 &amp;&amp; y&gt;=0 &amp;&amp; x&lt;awidth &amp;&amp; y&lt;aheight; }
+ bool onCanvas( const QPoint&amp; p ) const
+ { return onCanvas(p.x(),p.y()); }
+ bool validChunk( int x, int y ) const
+ { return x&gt;=0 &amp;&amp; y&gt;=0 &amp;&amp; x&lt;chwidth &amp;&amp; y&lt;chheight; }
+ bool validChunk( const QPoint&amp; p ) const
+ { return validChunk(p.x(),p.y()); }
+
+ int chunkSize() const
+ { return chunksize; }
+ virtual void retune(int chunksize, int maxclusters=100);
+
+ bool sameChunk(int x1, int y1, int x2, int y2) const
+ { return x1/chunksize==x2/chunksize &amp;&amp; y1/chunksize==y2/chunksize; }
+ virtual void setChangedChunk(int i, int j);
+ virtual void setChangedChunkContaining(int x, int y);
+ virtual void setAllChanged();
+ virtual void setChanged(const QRect&amp; area);
+ virtual void setUnchanged(const QRect&amp; area);
+
+ // These call setChangedChunk.
+ void addItemToChunk(QCanvasItem*, int i, int j);
+ void removeItemFromChunk(QCanvasItem*, int i, int j);
+ void addItemToChunkContaining(QCanvasItem*, int x, int y);
+ void removeItemFromChunkContaining(QCanvasItem*, int x, int y);
+
+ QCanvasItemList allItems();
+ QCanvasItemList collisions( const QPoint&amp;) const;
+ QCanvasItemList collisions( const QRect&amp;) const;
+ QCanvasItemList collisions( const QPointArray&amp; pa, const QCanvasItem* item,
+ bool exact) const;
+
+ void drawArea(const QRect&amp;, QPainter* p, bool double_buffer=FALSE);
+
+ // These are for QCanvasView to call
+ virtual void addView(QCanvasView*);
+ virtual void removeView(QCanvasView*);
+ void drawCanvasArea(const QRect&amp;, QPainter* p=0, bool double_buffer=TRUE);
+ void drawViewArea( QCanvasView* view, QPainter* p, const QRect&amp; r, bool dbuf );
+
+ // These are for QCanvasItem to call
+ virtual void addItem(QCanvasItem*);
+ virtual void addAnimation(QCanvasItem*);
+ virtual void removeItem(QCanvasItem*);
+ virtual void removeAnimation(QCanvasItem*);
+
+ virtual void setAdvancePeriod(int ms);
+ virtual void setUpdatePeriod(int ms);
+
+ virtual void setDoubleBuffering(bool y);
+
+signals:
+ void resized();
+
+public slots:
+ virtual void advance();
+ virtual void update();
+
+protected:
+ virtual void drawBackground(QPainter&amp;, const QRect&amp; area);
+ virtual void drawForeground(QPainter&amp;, const QRect&amp; area);
+
+private:
+ void init(int w, int h, int chunksze=16, int maxclust=100);
+
+ QCanvasChunk&amp; chunk(int i, int j) const;
+ QCanvasChunk&amp; chunkContaining(int x, int y) const;
+
+ QRect changeBounds(const QRect&amp; inarea);
+ void drawChanges(const QRect&amp; inarea);
+
+ QPixmap offscr;
+ int awidth,aheight;
+ int chunksize;
+ int maxclusters;
+ int chwidth,chheight;
+ QCanvasChunk* chunks;
+
+ QCanvasData* d;
+
+ void initTiles(QPixmap p, int h, int v, int tilewidth, int tileheight);
+ ushort *grid;
+ ushort htiles;
+ ushort vtiles;
+ ushort tilew;
+ ushort tileh;
+ bool oneone;
+ QPixmap pm;
+ QTimer* update_timer;
+ QColor bgcolor;
+ bool debug_redraw_areas;
+ bool dblbuf;
+
+ friend void qt_unview(QCanvas* c);
+
+#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
+ QCanvas( const QCanvas &amp; );
+ QCanvas &amp;operator=( const QCanvas &amp; );
+#endif
+};
+
+class QCanvasViewData;
+
+class QM_EXPORT_CANVAS QCanvasView : public QScrollView
+{
+ Q_OBJECT
+public:
+
+ QCanvasView(QWidget* parent=0, const char* name=0, WFlags f=0);
+ QCanvasView(QCanvas* viewing, QWidget* parent=0, const char* name=0, WFlags f=0);
+ ~QCanvasView();
+
+ QCanvas* canvas() const
+ { return viewing; }
+ void setCanvas(QCanvas* v);
+
+ const QWMatrix &amp;worldMatrix() const;
+ const QWMatrix &amp;inverseWorldMatrix() const;
+ bool setWorldMatrix( const QWMatrix &amp; );
+
+protected:
+ void drawContents( QPainter*, int cx, int cy, int cw, int ch );
+ QSize sizeHint() const;
+
+private:
+ void drawContents( QPainter* );
+ QCanvas* viewing;
+ QCanvasViewData* d;
+ friend void qt_unview(QCanvas* c);
+
+private slots:
+ void cMoving(int,int);
+ void updateContentsSize();
+
+private:
+#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
+ QCanvasView( const QCanvasView &amp; );
+ QCanvasView &amp;operator=( const QCanvasView &amp; );
+#endif
+};
+
+
+class QM_EXPORT_CANVAS QCanvasPixmap : public QPixmap
+{
+public:
+#ifndef QT_NO_IMAGEIO
+ QCanvasPixmap(const QString&amp; datafilename);
+#endif
+ QCanvasPixmap(const QImage&amp; image);
+ QCanvasPixmap(const QPixmap&amp;, const QPoint&amp; hotspot);
+ ~QCanvasPixmap();
+
+ int offsetX() const
+ { return hotx; }
+ int offsetY() const
+ { return hoty; }
+ void setOffset(int x, int y) { hotx = x; hoty = y; }
+
+private:
+#if defined(Q_DISABLE_COPY)
+ QCanvasPixmap( const QCanvasPixmap &amp; );
+ QCanvasPixmap &amp;operator=( const QCanvasPixmap &amp; );
+#endif
+ void init(const QImage&amp;);
+ void init(const QPixmap&amp; pixmap, int hx, int hy);
+
+ friend class QCanvasSprite;
+ friend class QCanvasPixmapArray;
+ friend bool qt_testCollision(const QCanvasSprite* s1, const QCanvasSprite* s2);
+
+ int hotx,hoty;
+
+ QImage* collision_mask;
+};
+
+
+class QM_EXPORT_CANVAS QCanvasPixmapArray
+{
+public:
+ QCanvasPixmapArray();
+#ifndef QT_NO_IMAGEIO
+ QCanvasPixmapArray(const QString&amp; datafilenamepattern, int framecount=0);
+#endif
+ // this form is deprecated
+ QCanvasPixmapArray(QPtrList&lt;QPixmap&gt;, QPtrList&lt;QPoint&gt; hotspots);
+
+ QCanvasPixmapArray(QValueList&lt;QPixmap&gt;, QPointArray hotspots = QPointArray() );
+ ~QCanvasPixmapArray();
+
+#ifndef QT_NO_IMAGEIO
+ bool readPixmaps(const QString&amp; datafilenamepattern, int framecount=0);
+ bool readCollisionMasks(const QString&amp; filenamepattern);
+#endif
+
+ // deprecated
+ bool operator!(); // Failure check.
+ bool isValid() const;
+
+ QCanvasPixmap* image(int i) const
+ { return img ? img[i] : 0; }
+ void setImage(int i, QCanvasPixmap* p);
+ uint count() const
+ { return (uint)framecount; }
+
+private:
+#if defined(Q_DISABLE_COPY)
+ QCanvasPixmapArray( const QCanvasPixmapArray &amp; );
+ QCanvasPixmapArray &amp;operator=( const QCanvasPixmapArray &amp; );
+#endif
+#ifndef QT_NO_IMAGEIO
+ bool readPixmaps(const QString&amp; datafilenamepattern, int framecount, bool maskonly);
+#endif
+
+ void reset();
+ int framecount;
+ QCanvasPixmap** img;
+};
+
+
+class QM_EXPORT_CANVAS QCanvasSprite : public QCanvasItem
+{
+public:
+ QCanvasSprite(QCanvasPixmapArray* array, QCanvas* canvas);
+
+ void setSequence(QCanvasPixmapArray* seq);
+
+ virtual ~QCanvasSprite();
+
+ void move(double x, double y);
+ virtual void move(double x, double y, int frame);
+ void setFrame(int);
+ enum FrameAnimationType { Cycle, Oscillate };
+ virtual void setFrameAnimation(FrameAnimationType=Cycle, int step=1, int state=0);
+ int frame() const
+ { return frm; }
+ int frameCount() const
+ { return images-&gt;count(); }
+
+ int rtti() const;
+ static int RTTI;
+
+ bool collidesWith( const QCanvasItem* ) const;
+
+ QRect boundingRect() const;
+
+ // is there a reason for these to be protected? Lars
+//protected:
+
+ int width() const;
+ int height() const;
+
+ int leftEdge() const;
+ int topEdge() const;
+ int rightEdge() const;
+ int bottomEdge() const;
+
+ int leftEdge(int nx) const;
+ int topEdge(int ny) const;
+ int rightEdge(int nx) const;
+ int bottomEdge(int ny) const;
+ QCanvasPixmap* image() const
+ { return images-&gt;image(frm); }
+ virtual QCanvasPixmap* imageAdvanced() const;
+ QCanvasPixmap* image(int f) const
+ { return images-&gt;image(f); }
+ virtual void advance(int stage);
+
+public:
+ void draw(QPainter&amp; painter);
+
+private:
+#if defined(Q_DISABLE_COPY)
+ QCanvasSprite( const QCanvasSprite &amp; );
+ QCanvasSprite &amp;operator=( const QCanvasSprite &amp; );
+#endif
+ void addToChunks();
+ void removeFromChunks();
+ void changeChunks();
+
+ int frm;
+ ushort anim_val;
+ uint anim_state:2;
+ uint anim_type:14;
+ bool collidesWith( const QCanvasSprite*,
+ const QCanvasPolygonalItem*,
+ const QCanvasRectangle*,
+ const QCanvasEllipse*,
+ const QCanvasText* ) const;
+
+ friend bool qt_testCollision( const QCanvasSprite* s1,
+ const QCanvasSprite* s2 );
+
+ QCanvasPixmapArray* images;
+};
+
+class QPolygonalProcessor;
+
+class QM_EXPORT_CANVAS QCanvasPolygonalItem : public QCanvasItem
+{
+public:
+ QCanvasPolygonalItem(QCanvas* canvas);
+ virtual ~QCanvasPolygonalItem();
+
+ bool collidesWith( const QCanvasItem* ) const;
+
+ virtual void setPen(QPen p);
+ virtual void setBrush(QBrush b);
+
+ QPen pen() const
+ { return pn; }
+ QBrush brush() const
+ { return br; }
+
+ virtual QPointArray areaPoints() const=0;
+ virtual QPointArray areaPointsAdvanced() const;
+ QRect boundingRect() const;
+
+ int rtti() const;
+ static int RTTI;
+
+protected:
+ void draw(QPainter &amp;);
+ virtual void drawShape(QPainter &amp;) = 0;
+
+ bool winding() const;
+ void setWinding(bool);
+
+ void invalidate();
+ bool isValid() const
+ { return (bool)val; }
+
+private:
+ void scanPolygon( const QPointArray&amp; pa, int winding,
+ QPolygonalProcessor&amp; process ) const;
+ QPointArray chunks() const;
+
+ bool collidesWith( const QCanvasSprite*,
+ const QCanvasPolygonalItem*,
+ const QCanvasRectangle*,
+ const QCanvasEllipse*,
+ const QCanvasText* ) const;
+
+ QBrush br;
+ QPen pn;
+ uint wind:1;
+};
+
+
+class QM_EXPORT_CANVAS QCanvasRectangle : public QCanvasPolygonalItem
+{
+public:
+ QCanvasRectangle(QCanvas* canvas);
+ QCanvasRectangle(const QRect&amp;, QCanvas* canvas);
+ QCanvasRectangle(int x, int y, int width, int height, QCanvas* canvas);
+
+ ~QCanvasRectangle();
+
+ int width() const;
+ int height() const;
+ void setSize(int w, int h);
+ QSize size() const
+ { return QSize(w,h); }
+ QPointArray areaPoints() const;
+ QRect rect() const
+ { return QRect(int(x()),int(y()),w,h); }
+
+ bool collidesWith( const QCanvasItem* ) const;
+
+ int rtti() const;
+ static int RTTI;
+
+protected:
+ void drawShape(QPainter &amp;);
+ QPointArray chunks() const;
+
+private:
+ bool collidesWith( const QCanvasSprite*,
+ const QCanvasPolygonalItem*,
+ const QCanvasRectangle*,
+ const QCanvasEllipse*,
+ const QCanvasText* ) const;
+
+ int w, h;
+};
+
+
+class QM_EXPORT_CANVAS QCanvasPolygon : public QCanvasPolygonalItem
+{
+public:
+ QCanvasPolygon(QCanvas* canvas);
+ ~QCanvasPolygon();
+ void setPoints(QPointArray);
+ QPointArray points() const;
+ void moveBy(double dx, double dy);
+
+ QPointArray areaPoints() const;
+
+ int rtti() const;
+ static int RTTI;
+
+protected:
+ void drawShape(QPainter &amp;);
+ QPointArray poly;
+};
+
+
+class QM_EXPORT_CANVAS QCanvasSpline : public QCanvasPolygon
+{
+public:
+ QCanvasSpline(QCanvas* canvas);
+ ~QCanvasSpline();
+
+ void setControlPoints(QPointArray, bool closed=TRUE);
+ QPointArray controlPoints() const;
+ bool closed() const;
+
+ int rtti() const;
+ static int RTTI;
+
+private:
+ void recalcPoly();
+ QPointArray bez;
+ bool cl;
+};
+
+
+class QM_EXPORT_CANVAS QCanvasLine : public QCanvasPolygonalItem
+{
+public:
+ QCanvasLine(QCanvas* canvas);
+ ~QCanvasLine();
+ void setPoints(int x1, int y1, int x2, int y2);
+
+ QPoint startPoint() const
+ { return QPoint(x1,y1); }
+ QPoint endPoint() const
+ { return QPoint(x2,y2); }
+
+ int rtti() const;
+ static int RTTI;
+
+ void setPen(QPen p);
+ void moveBy(double dx, double dy);
+
+protected:
+ void drawShape(QPainter &amp;);
+ QPointArray areaPoints() const;
+
+private:
+ int x1,y1,x2,y2;
+};
+
+
+class QM_EXPORT_CANVAS QCanvasEllipse : public QCanvasPolygonalItem
+{
+
+public:
+ QCanvasEllipse( QCanvas* canvas );
+ QCanvasEllipse( int width, int height, QCanvas* canvas );
+ QCanvasEllipse( int width, int height, int startangle, int angle,
+ QCanvas* canvas );
+
+ ~QCanvasEllipse();
+
+ int width() const;
+ int height() const;
+ void setSize(int w, int h);
+ void setAngles(int start, int length);
+ int angleStart() const
+ { return a1; }
+ int angleLength() const
+ { return a2; }
+ QPointArray areaPoints() const;
+
+ bool collidesWith( const QCanvasItem* ) const;
+
+ int rtti() const;
+ static int RTTI;
+
+protected:
+ void drawShape(QPainter &amp;);
+
+private:
+ bool collidesWith( const QCanvasSprite*,
+ const QCanvasPolygonalItem*,
+ const QCanvasRectangle*,
+ const QCanvasEllipse*,
+ const QCanvasText* ) const;
+ int w, h;
+ int a1, a2;
+};
+
+
+class QCanvasTextExtra;
+
+class QM_EXPORT_CANVAS QCanvasText : public QCanvasItem
+{
+public:
+ QCanvasText(QCanvas* canvas);
+ QCanvasText(const QString&amp;, QCanvas* canvas);
+ QCanvasText(const QString&amp;, QFont, QCanvas* canvas);
+
+ virtual ~QCanvasText();
+
+ void setText( const QString&amp; );
+ void setFont( const QFont&amp; );
+ void setColor( const QColor&amp; );
+ QString text() const;
+ QFont font() const;
+ QColor color() const;
+
+ void moveBy(double dx, double dy);
+
+ int textFlags() const
+ { return flags; }
+ void setTextFlags(int);
+
+ QRect boundingRect() const;
+
+ bool collidesWith( const QCanvasItem* ) const;
+
+ int rtti() const;
+ static int RTTI;
+
+protected:
+ virtual void draw(QPainter&amp;);
+
+private:
+#if defined(Q_DISABLE_COPY)
+ QCanvasText( const QCanvasText &amp; );
+ QCanvasText &amp;operator=( const QCanvasText &amp; );
+#endif
+ void addToChunks();
+ void removeFromChunks();
+ void changeChunks();
+
+ void setRect();
+ QRect brect;
+ QString txt;
+ int flags;
+ QFont fnt;
+ QColor col;
+ QCanvasTextExtra* extra;
+
+ bool collidesWith( const QCanvasSprite*,
+ const QCanvasPolygonalItem*,
+ const QCanvasRectangle*,
+ const QCanvasEllipse*,
+ const QCanvasText* ) const;
+};
+
+#define Q_DEFINED_QCANVAS
+#include "qwinexport.h"
+#endif // QT_NO_CANVAS
+
+#endif // QCANVAS_H
+</pre>
+<!-- eof -->
+<p><address><hr><div align=center>
+<table width=100% cellspacing=0 border=0><tr>
+<td>Copyright &copy; 2007
+<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
+<td align=right><div align=right>Qt 3.3.8</div>
+</table></div></address></body>
+</html>