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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>ntqcanvas.h</h1>
<p>This is the verbatim text of the ntqcanvas.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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/**********************************************************************
** $Id: qt/ntqcanvas.h 3.3.8 edited Jan 11 14:46 $
**
** Definition of TQCanvas classes
**
** Created : 991211
**
** Copyright (C) 1999-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the canvas module of the TQt 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 TQt 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.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQCANVAS_H
#define TQCANVAS_H
#ifndef QT_H
#include "ntqscrollview.h"
#include "ntqpixmap.h"
#include "ntqptrlist.h"
#include "ntqbrush.h"
#include "ntqpen.h"
#include "ntqvaluelist.h"
#include "ntqpointarray.h"
#endif // QT_H
#if !defined( TQT_MODULE_CANVAS ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_CANVAS )
#define TQM_EXPORT_CANVAS
#define TQM_TEMPLATE_EXTERN_CANVAS
#else
#define TQM_EXPORT_CANVAS TQ_EXPORT
#define TQM_TEMPLATE_EXTERN_CANVAS Q_TEMPLATE_EXTERN
#endif
#ifndef TQT_NO_CANVAS
class TQCanvasSprite;
class TQCanvasPolygonalItem;
class TQCanvasRectangle;
class TQCanvasPolygon;
class TQCanvasEllipse;
class TQCanvasText;
class TQCanvasLine;
class TQCanvasChunk;
class TQCanvas;
class TQCanvasItem;
class TQCanvasView;
class TQCanvasPixmap;
#if defined(Q_TEMPLATEDLL) &amp;&amp; ( !defined(Q_CC_BOR) || !defined(QT_MAKEDLL) || defined(Q_EXPORT_TEMPLATES) )
// MOC_SKIP_BEGIN
TQM_TEMPLATE_EXTERN_CANVAS template class TQM_EXPORT_CANVAS TQValueListIterator&lt; TQCanvasItem* &gt;;
TQM_TEMPLATE_EXTERN_CANVAS template class TQM_EXPORT_CANVAS TQValueList&lt; TQCanvasItem* &gt;;
// MOC_SKIP_END
#endif
class TQM_EXPORT_CANVAS TQCanvasItemList : public TQValueList&lt;TQCanvasItem*&gt; {
public:
void sort();
void drawUnique( TQPainter&amp; painter );
TQCanvasItemList operator+(const TQCanvasItemList &amp;l) const;
};
class TQCanvasItemExtra;
class TQM_EXPORT_CANVAS TQCanvasItem : public TQt
{
public:
TQCanvasItem(TQCanvas* canvas);
virtual ~TQCanvasItem();
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 TQCanvasItem* ) const=0;
TQCanvasItemList collisions(bool exact /* NO DEFAULT */ ) const;
virtual void setCanvas(TQCanvas*);
virtual void draw(TQPainter&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 TQT_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 TQRect boundingRect() const=0;
virtual TQRect boundingRectAdvanced() const;
TQCanvas* canvas() const
{ return cnv; }
protected:
void update() { changeChunks(); }
private:
// For friendly subclasses...
friend class TQCanvasPolygonalItem;
friend class TQCanvasSprite;
friend class TQCanvasRectangle;
friend class TQCanvasPolygon;
friend class TQCanvasEllipse;
friend class TQCanvasText;
friend class TQCanvasLine;
virtual TQPointArray chunks() const;
virtual void addToChunks();
virtual void removeFromChunks();
virtual void changeChunks();
virtual bool collidesWith( const TQCanvasSprite*,
const TQCanvasPolygonalItem*,
const TQCanvasRectangle*,
const TQCanvasEllipse*,
const TQCanvasText* ) const = 0;
// End of friend stuff
TQCanvas* cnv;
static TQCanvas* current_canvas;
double myx,myy,myz;
TQCanvasItemExtra *ext;
TQCanvasItemExtra&amp; extra();
uint ani:1;
uint vis:1;
uint val:1;
uint sel:1;
uint ena:1;
uint act:1;
};
class TQCanvasData;
class TQM_EXPORT_CANVAS TQCanvas : public TQObject
{
TQ_OBJECT
public:
TQCanvas( TQObject* parent = 0, const char* name = 0 );
TQCanvas(int w, int h);
TQCanvas( TQPixmap p, int h, int v, int tilewidth, int tileheight );
virtual ~TQCanvas();
virtual void setTiles( TQPixmap tiles, int h, int v,
int tilewidth, int tileheight );
virtual void setBackgroundPixmap( const TQPixmap&amp; p );
TQPixmap backgroundPixmap() const;
virtual void setBackgroundColor( const TQColor&amp; c );
TQColor 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; }
TQSize size() const
{ return TQSize(awidth,aheight); }
TQRect rect() const
{ return TQRect( 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 TQPoint&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 TQPoint&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 TQRect&amp; area);
virtual void setUnchanged(const TQRect&amp; area);
// These call setChangedChunk.
void addItemToChunk(TQCanvasItem*, int i, int j);
void removeItemFromChunk(TQCanvasItem*, int i, int j);
void addItemToChunkContaining(TQCanvasItem*, int x, int y);
void removeItemFromChunkContaining(TQCanvasItem*, int x, int y);
TQCanvasItemList allItems();
TQCanvasItemList collisions( const TQPoint&amp;) const;
TQCanvasItemList collisions( const TQRect&amp;) const;
TQCanvasItemList collisions( const TQPointArray&amp; pa, const TQCanvasItem* item,
bool exact) const;
void drawArea(const TQRect&amp;, TQPainter* p, bool double_buffer=FALSE);
// These are for TQCanvasView to call
virtual void addView(TQCanvasView*);
virtual void removeView(TQCanvasView*);
void drawCanvasArea(const TQRect&amp;, TQPainter* p=0, bool double_buffer=TRUE);
void drawViewArea( TQCanvasView* view, TQPainter* p, const TQRect&amp; r, bool dbuf );
// These are for TQCanvasItem to call
virtual void addItem(TQCanvasItem*);
virtual void addAnimation(TQCanvasItem*);
virtual void removeItem(TQCanvasItem*);
virtual void removeAnimation(TQCanvasItem*);
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(TQPainter&amp;, const TQRect&amp; area);
virtual void drawForeground(TQPainter&amp;, const TQRect&amp; area);
private:
void init(int w, int h, int chunksze=16, int maxclust=100);
TQCanvasChunk&amp; chunk(int i, int j) const;
TQCanvasChunk&amp; chunkContaining(int x, int y) const;
TQRect changeBounds(const TQRect&amp; inarea);
void drawChanges(const TQRect&amp; inarea);
TQPixmap offscr;
int awidth,aheight;
int chunksize;
int maxclusters;
int chwidth,chheight;
TQCanvasChunk* chunks;
TQCanvasData* d;
void initTiles(TQPixmap p, int h, int v, int tilewidth, int tileheight);
ushort *grid;
ushort htiles;
ushort vtiles;
ushort tilew;
ushort tileh;
bool oneone;
TQPixmap pm;
TQTimer* update_timer;
TQColor bgcolor;
bool debug_redraw_areas;
bool dblbuf;
friend void qt_unview(TQCanvas* c);
#if defined(TQ_DISABLE_COPY) // Disabled copy constructor and operator=
TQCanvas( const TQCanvas &amp; );
TQCanvas &amp;operator=( const TQCanvas &amp; );
#endif
};
class TQCanvasViewData;
class TQM_EXPORT_CANVAS TQCanvasView : public TQScrollView
{
TQ_OBJECT
public:
TQCanvasView(TQWidget* parent=0, const char* name=0, WFlags f=0);
TQCanvasView(TQCanvas* viewing, TQWidget* parent=0, const char* name=0, WFlags f=0);
~TQCanvasView();
TQCanvas* canvas() const
{ return viewing; }
void setCanvas(TQCanvas* v);
const TQWMatrix &amp;worldMatrix() const;
const TQWMatrix &amp;inverseWorldMatrix() const;
bool setWorldMatrix( const TQWMatrix &amp; );
protected:
void drawContents( TQPainter*, int cx, int cy, int cw, int ch );
TQSize sizeHint() const;
private:
void drawContents( TQPainter* );
TQCanvas* viewing;
TQCanvasViewData* d;
friend void qt_unview(TQCanvas* c);
private slots:
void cMoving(int,int);
void updateContentsSize();
private:
#if defined(TQ_DISABLE_COPY) // Disabled copy constructor and operator=
TQCanvasView( const TQCanvasView &amp; );
TQCanvasView &amp;operator=( const TQCanvasView &amp; );
#endif
};
class TQM_EXPORT_CANVAS TQCanvasPixmap : public TQPixmap
{
public:
#ifndef TQT_NO_IMAGEIO
TQCanvasPixmap(const TQString&amp; datafilename);
#endif
TQCanvasPixmap(const TQImage&amp; image);
TQCanvasPixmap(const TQPixmap&amp;, const TQPoint&amp; hotspot);
~TQCanvasPixmap();
int offsetX() const
{ return hotx; }
int offsetY() const
{ return hoty; }
void setOffset(int x, int y) { hotx = x; hoty = y; }
private:
#if defined(TQ_DISABLE_COPY)
TQCanvasPixmap( const TQCanvasPixmap &amp; );
TQCanvasPixmap &amp;operator=( const TQCanvasPixmap &amp; );
#endif
void init(const TQImage&amp;);
void init(const TQPixmap&amp; pixmap, int hx, int hy);
friend class TQCanvasSprite;
friend class TQCanvasPixmapArray;
friend bool qt_testCollision(const TQCanvasSprite* s1, const TQCanvasSprite* s2);
int hotx,hoty;
TQImage* collision_mask;
};
class TQM_EXPORT_CANVAS TQCanvasPixmapArray
{
public:
TQCanvasPixmapArray();
#ifndef TQT_NO_IMAGEIO
TQCanvasPixmapArray(const TQString&amp; datafilenamepattern, int framecount=0);
#endif
// this form is deprecated
TQCanvasPixmapArray(TQPtrList&lt;TQPixmap&gt;, TQPtrList&lt;TQPoint&gt; hotspots);
TQCanvasPixmapArray(TQValueList&lt;TQPixmap&gt;, TQPointArray hotspots = TQPointArray() );
~TQCanvasPixmapArray();
#ifndef TQT_NO_IMAGEIO
bool readPixmaps(const TQString&amp; datafilenamepattern, int framecount=0);
bool readCollisionMasks(const TQString&amp; filenamepattern);
#endif
// deprecated
bool operator!(); // Failure check.
bool isValid() const;
TQCanvasPixmap* image(int i) const
{ return img ? img[i] : 0; }
void setImage(int i, TQCanvasPixmap* p);
uint count() const
{ return (uint)framecount; }
private:
#if defined(TQ_DISABLE_COPY)
TQCanvasPixmapArray( const TQCanvasPixmapArray &amp; );
TQCanvasPixmapArray &amp;operator=( const TQCanvasPixmapArray &amp; );
#endif
#ifndef TQT_NO_IMAGEIO
bool readPixmaps(const TQString&amp; datafilenamepattern, int framecount, bool maskonly);
#endif
void reset();
int framecount;
TQCanvasPixmap** img;
};
class TQM_EXPORT_CANVAS TQCanvasSprite : public TQCanvasItem
{
public:
TQCanvasSprite(TQCanvasPixmapArray* array, TQCanvas* canvas);
void setSequence(TQCanvasPixmapArray* seq);
virtual ~TQCanvasSprite();
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 TQCanvasItem* ) const;
TQRect 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;
TQCanvasPixmap* image() const
{ return images-&gt;image(frm); }
virtual TQCanvasPixmap* imageAdvanced() const;
TQCanvasPixmap* image(int f) const
{ return images-&gt;image(f); }
virtual void advance(int stage);
public:
void draw(TQPainter&amp; painter);
private:
#if defined(TQ_DISABLE_COPY)
TQCanvasSprite( const TQCanvasSprite &amp; );
TQCanvasSprite &amp;operator=( const TQCanvasSprite &amp; );
#endif
void addToChunks();
void removeFromChunks();
void changeChunks();
int frm;
ushort anim_val;
uint anim_state:2;
uint anim_type:14;
bool collidesWith( const TQCanvasSprite*,
const TQCanvasPolygonalItem*,
const TQCanvasRectangle*,
const TQCanvasEllipse*,
const TQCanvasText* ) const;
friend bool qt_testCollision( const TQCanvasSprite* s1,
const TQCanvasSprite* s2 );
TQCanvasPixmapArray* images;
};
class TQPolygonalProcessor;
class TQM_EXPORT_CANVAS TQCanvasPolygonalItem : public TQCanvasItem
{
public:
TQCanvasPolygonalItem(TQCanvas* canvas);
virtual ~TQCanvasPolygonalItem();
bool collidesWith( const TQCanvasItem* ) const;
virtual void setPen(TQPen p);
virtual void setBrush(TQBrush b);
TQPen pen() const
{ return pn; }
TQBrush brush() const
{ return br; }
virtual TQPointArray areaPoints() const=0;
virtual TQPointArray areaPointsAdvanced() const;
TQRect boundingRect() const;
int rtti() const;
static int RTTI;
protected:
void draw(TQPainter &amp;);
virtual void drawShape(TQPainter &amp;) = 0;
bool winding() const;
void setWinding(bool);
void invalidate();
bool isValid() const
{ return (bool)val; }
private:
void scanPolygon( const TQPointArray&amp; pa, int winding,
TQPolygonalProcessor&amp; process ) const;
TQPointArray chunks() const;
bool collidesWith( const TQCanvasSprite*,
const TQCanvasPolygonalItem*,
const TQCanvasRectangle*,
const TQCanvasEllipse*,
const TQCanvasText* ) const;
TQBrush br;
TQPen pn;
uint wind:1;
};
class TQM_EXPORT_CANVAS TQCanvasRectangle : public TQCanvasPolygonalItem
{
public:
TQCanvasRectangle(TQCanvas* canvas);
TQCanvasRectangle(const TQRect&amp;, TQCanvas* canvas);
TQCanvasRectangle(int x, int y, int width, int height, TQCanvas* canvas);
~TQCanvasRectangle();
int width() const;
int height() const;
void setSize(int w, int h);
TQSize size() const
{ return TQSize(w,h); }
TQPointArray areaPoints() const;
TQRect rect() const
{ return TQRect(int(x()),int(y()),w,h); }
bool collidesWith( const TQCanvasItem* ) const;
int rtti() const;
static int RTTI;
protected:
void drawShape(TQPainter &amp;);
TQPointArray chunks() const;
private:
bool collidesWith( const TQCanvasSprite*,
const TQCanvasPolygonalItem*,
const TQCanvasRectangle*,
const TQCanvasEllipse*,
const TQCanvasText* ) const;
int w, h;
};
class TQM_EXPORT_CANVAS TQCanvasPolygon : public TQCanvasPolygonalItem
{
public:
TQCanvasPolygon(TQCanvas* canvas);
~TQCanvasPolygon();
void setPoints(TQPointArray);
TQPointArray points() const;
void moveBy(double dx, double dy);
TQPointArray areaPoints() const;
int rtti() const;
static int RTTI;
protected:
void drawShape(TQPainter &amp;);
TQPointArray poly;
};
class TQM_EXPORT_CANVAS TQCanvasSpline : public TQCanvasPolygon
{
public:
TQCanvasSpline(TQCanvas* canvas);
~TQCanvasSpline();
void setControlPoints(TQPointArray, bool closed=TRUE);
TQPointArray controlPoints() const;
bool closed() const;
int rtti() const;
static int RTTI;
private:
void recalcPoly();
TQPointArray bez;
bool cl;
};
class TQM_EXPORT_CANVAS TQCanvasLine : public TQCanvasPolygonalItem
{
public:
TQCanvasLine(TQCanvas* canvas);
~TQCanvasLine();
void setPoints(int x1, int y1, int x2, int y2);
TQPoint startPoint() const
{ return TQPoint(x1,y1); }
TQPoint endPoint() const
{ return TQPoint(x2,y2); }
int rtti() const;
static int RTTI;
void setPen(TQPen p);
void moveBy(double dx, double dy);
protected:
void drawShape(TQPainter &amp;);
TQPointArray areaPoints() const;
private:
int x1,y1,x2,y2;
};
class TQM_EXPORT_CANVAS TQCanvasEllipse : public TQCanvasPolygonalItem
{
public:
TQCanvasEllipse( TQCanvas* canvas );
TQCanvasEllipse( int width, int height, TQCanvas* canvas );
TQCanvasEllipse( int width, int height, int startangle, int angle,
TQCanvas* canvas );
~TQCanvasEllipse();
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; }
TQPointArray areaPoints() const;
bool collidesWith( const TQCanvasItem* ) const;
int rtti() const;
static int RTTI;
protected:
void drawShape(TQPainter &amp;);
private:
bool collidesWith( const TQCanvasSprite*,
const TQCanvasPolygonalItem*,
const TQCanvasRectangle*,
const TQCanvasEllipse*,
const TQCanvasText* ) const;
int w, h;
int a1, a2;
};
class TQCanvasTextExtra;
class TQM_EXPORT_CANVAS TQCanvasText : public TQCanvasItem
{
public:
TQCanvasText(TQCanvas* canvas);
TQCanvasText(const TQString&amp;, TQCanvas* canvas);
TQCanvasText(const TQString&amp;, TQFont, TQCanvas* canvas);
virtual ~TQCanvasText();
void setText( const TQString&amp; );
void setFont( const TQFont&amp; );
void setColor( const TQColor&amp; );
TQString text() const;
TQFont font() const;
TQColor color() const;
void moveBy(double dx, double dy);
int textFlags() const
{ return flags; }
void setTextFlags(int);
TQRect boundingRect() const;
bool collidesWith( const TQCanvasItem* ) const;
int rtti() const;
static int RTTI;
protected:
virtual void draw(TQPainter&amp;);
private:
#if defined(TQ_DISABLE_COPY)
TQCanvasText( const TQCanvasText &amp; );
TQCanvasText &amp;operator=( const TQCanvasText &amp; );
#endif
void addToChunks();
void removeFromChunks();
void changeChunks();
void setRect();
TQRect brect;
TQString txt;
int flags;
TQFont fnt;
TQColor col;
TQCanvasTextExtra* extra;
bool collidesWith( const TQCanvasSprite*,
const TQCanvasPolygonalItem*,
const TQCanvasRectangle*,
const TQCanvasEllipse*,
const TQCanvasText* ) const;
};
#define Q_DEFINED_QCANVAS
#include "ntqwinexport.h"
#endif // TQT_NO_CANVAS
#endif // TQCANVAS_H
</pre>
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