diff options
Diffstat (limited to 'doc/html/tqcanvaspixmaparray.html')
| -rw-r--r-- | doc/html/tqcanvaspixmaparray.html | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/doc/html/tqcanvaspixmaparray.html b/doc/html/tqcanvaspixmaparray.html new file mode 100644 index 00000000..4af61946 --- /dev/null +++ b/doc/html/tqcanvaspixmaparray.html @@ -0,0 +1,192 @@ +<!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/src/canvas/tqcanvas.cpp:2930 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>TQCanvasPixmapArray Class</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 Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped 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>TQCanvasPixmapArray Class Reference<br><small>[<a href="canvas.html">canvas module</a>]</small></h1> + +<p>The TQCanvasPixmapArray class provides an array of TQCanvasPixmaps. +<a href="#details">More...</a> +<p><tt>#include <<a href="tqcanvas-h.html">tqcanvas.h</a>></tt> +<p><a href="tqcanvaspixmaparray-members.html">List of all member functions.</a> +<h2>Public Members</h2> +<ul> +<li class=fn><a href="#TQCanvasPixmapArray"><b>TQCanvasPixmapArray</b></a> ()</li> +<li class=fn><a href="#TQCanvasPixmapArray-2"><b>TQCanvasPixmapArray</b></a> ( const TQString & datafilenamepattern, int fc = 0 )</li> +<li class=fn>TQCanvasPixmapArray ( TQPtrList<TQPixmap> list, TQPtrList<TQPoint> hotspots ) <em>(obsolete)</em></li> +<li class=fn><a href="#TQCanvasPixmapArray-4"><b>TQCanvasPixmapArray</b></a> ( TQValueList<TQPixmap> list, TQPointArray hotspots = TQPointArray ( ) )</li> +<li class=fn><a href="#~TQCanvasPixmapArray"><b>~TQCanvasPixmapArray</b></a> ()</li> +<li class=fn>bool <a href="#readPixmaps"><b>readPixmaps</b></a> ( const TQString & filenamepattern, int fc = 0 )</li> +<li class=fn>bool <a href="#readCollisionMasks"><b>readCollisionMasks</b></a> ( const TQString & filename )</li> +<li class=fn>bool operator! () <em>(obsolete)</em></li> +<li class=fn>bool <a href="#isValid"><b>isValid</b></a> () const</li> +<li class=fn>TQCanvasPixmap * <a href="#image"><b>image</b></a> ( int i ) const</li> +<li class=fn>void <a href="#setImage"><b>setImage</b></a> ( int i, TQCanvasPixmap * p )</li> +<li class=fn>uint <a href="#count"><b>count</b></a> () const</li> +</ul> +<hr><a name="details"></a><h2>Detailed Description</h2> + + +The TQCanvasPixmapArray class provides an array of TQCanvasPixmaps. + +<p> + + +<p> This class is used by <a href="tqcanvassprite.html">TQCanvasSprite</a> to hold an array of pixmaps. +It is used to implement animated sprites, i.e. images that change +over time, with each pixmap in the array holding one frame. +<p> Depending on the constructor you use you can load multiple pixmaps +into the array either from a directory (specifying a wildcard +pattern for the files), or from a list of TQPixmaps. You can also +read in a set of pixmaps after construction using <a href="#readPixmaps">readPixmaps</a>(). +<p> Individual pixmaps can be set with <a href="#setImage">setImage</a>() and retrieved with +<a href="#image">image</a>(). The number of pixmaps in the array is returned by +<a href="#count">count</a>(). +<p> TQCanvasSprite uses an image's mask for collision detection. You +can change this by reading in a separate set of image masks using +<a href="#readCollisionMasks">readCollisionMasks</a>(). +<p> <p>See also <a href="graphics.html">Graphics Classes</a> and <a href="images.html">Image Processing Classes</a>. + +<hr><h2>Member Function Documentation</h2> +<h3 class=fn><a name="TQCanvasPixmapArray"></a>TQCanvasPixmapArray::TQCanvasPixmapArray () +</h3> +Constructs an invalid array (i.e. <a href="#isValid">isValid</a>() will return FALSE). +You must call <a href="#readPixmaps">readPixmaps</a>() before being able to use this +TQCanvasPixmapArray. + +<h3 class=fn><a name="TQCanvasPixmapArray-2"></a>TQCanvasPixmapArray::TQCanvasPixmapArray ( const <a href="ntqstring.html">TQString</a> & datafilenamepattern, int fc = 0 ) +</h3> +Constructs a TQCanvasPixmapArray from files. +<p> The <em>fc</em> parameter sets the number of frames to be loaded for +this image. +<p> If <em>fc</em> is not 0, <em>datafilenamepattern</em> should contain "%1", +e.g. "foo%1.png". The actual filenames are formed by replacing the +%1 with four-digit integers from 0 to (fc - 1), e.g. foo0000.png, +foo0001.png, foo0002.png, etc. +<p> If <em>fc</em> is 0, <em>datafilenamepattern</em> is asssumed to be a +filename, and the image contained in this file will be loaded as +the first (and only) frame. +<p> If <em>datafilenamepattern</em> does not exist, is not readable, isn't +an image, or some other error occurs, the array ends up empty and +<a href="#isValid">isValid</a>() returns FALSE. + +<h3 class=fn><a name="TQCanvasPixmapArray-3"></a>TQCanvasPixmapArray::TQCanvasPixmapArray ( <a href="ntqptrlist.html">TQPtrList</a><TQPixmap> list, <a href="ntqptrlist.html">TQPtrList</a><TQPoint> hotspots ) +</h3> +<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code. +<p> Use <a href="#TQCanvasPixmapArray">TQCanvasPixmapArray::TQCanvasPixmapArray</a>( <a href="ntqvaluelist.html">TQValueList</a><TQPixmap>, <a href="ntqpointarray.html">TQPointArray</a> ) +instead. +<p> Constructs a TQCanvasPixmapArray from the list of TQPixmaps <em>list</em>. The <em>hotspots</em> list has to be of the same size as <em>list</em>. + +<h3 class=fn><a name="TQCanvasPixmapArray-4"></a>TQCanvasPixmapArray::TQCanvasPixmapArray ( <a href="ntqvaluelist.html">TQValueList</a><TQPixmap> list, <a href="ntqpointarray.html">TQPointArray</a> hotspots = TQPointArray ( ) ) +</h3> +Constructs a TQCanvasPixmapArray from the list of TQPixmaps in the +<em>list</em>. Each pixmap will get a hotspot according to the <em>hotspots</em> array. If no hotspots are specified, each one is set to +be at position (0, 0). +<p> If an error occurs, <a href="#isValid">isValid</a>() will return FALSE. + +<h3 class=fn><a name="~TQCanvasPixmapArray"></a>TQCanvasPixmapArray::~TQCanvasPixmapArray () +</h3> +Destroys the pixmap array and all the pixmaps it contains. + +<h3 class=fn>uint <a name="count"></a>TQCanvasPixmapArray::count () const +</h3> + +<p> Returns the number of pixmaps in the array. + +<h3 class=fn><a href="tqcanvaspixmap.html">TQCanvasPixmap</a> * <a name="image"></a>TQCanvasPixmapArray::image ( int i ) const +</h3> + +<p> Returns pixmap <em>i</em> in the array, if <em>i</em> is non-negative and less +than than <a href="#count">count</a>(), and returns an unspecified value otherwise. + +<h3 class=fn>bool <a name="isValid"></a>TQCanvasPixmapArray::isValid () const +</h3> +Returns TRUE if the pixmap array is valid; otherwise returns +FALSE. + +<h3 class=fn>bool <a name="operator!"></a>TQCanvasPixmapArray::operator! () +</h3> +<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code. +<p> Use <a href="#isValid">isValid</a>() instead. +<p> This returns FALSE if the array is valid, and TRUE if it is not. + +<h3 class=fn>bool <a name="readCollisionMasks"></a>TQCanvasPixmapArray::readCollisionMasks ( const <a href="ntqstring.html">TQString</a> & filename ) +</h3> +Reads new collision masks for the array. +<p> By default, <a href="tqcanvassprite.html">TQCanvasSprite</a> uses the image mask of a sprite to +detect collisions. Use this function to set your own collision +image masks. +<p> If <a href="#count">count</a>() is 1 <em>filename</em> must specify a real filename to read +the mask from. If count() is greater than 1, the <em>filename</em> must +contain a "%1" that will get replaced by the number of the mask to +be loaded, just like <a href="#readPixmaps">TQCanvasPixmapArray::readPixmaps</a>(). +<p> All collision masks must be 1-bit images or this function call +will fail. +<p> If the file isn't readable, contains the wrong number of images, +or there is some other error, this function will return FALSE, and +the array will be flagged as invalid; otherwise this function +returns TRUE. +<p> <p>See also <a href="#isValid">isValid</a>(). + +<h3 class=fn>bool <a name="readPixmaps"></a>TQCanvasPixmapArray::readPixmaps ( const <a href="ntqstring.html">TQString</a> & filenamepattern, int fc = 0 ) +</h3> +Reads one or more pixmaps into the pixmap array. +<p> If <em>fc</em> is not 0, <em>filenamepattern</em> should contain "%1", e.g. +"foo%1.png". The actual filenames are formed by replacing the %1 +with four-digit integers from 0 to (fc - 1), e.g. foo0000.png, +foo0001.png, foo0002.png, etc. +<p> If <em>fc</em> is 0, <em>filenamepattern</em> is asssumed to be a filename, +and the image contained in this file will be loaded as the first +(and only) frame. +<p> If <em>filenamepattern</em> does not exist, is not readable, isn't an +image, or some other error occurs, this function will return +FALSE, and <a href="#isValid">isValid</a>() will return FALSE; otherwise this function +will return TRUE. +<p> <p>See also <a href="#isValid">isValid</a>(). + +<h3 class=fn>void <a name="setImage"></a>TQCanvasPixmapArray::setImage ( int i, <a href="tqcanvaspixmap.html">TQCanvasPixmap</a> * p ) +</h3> +Replaces the pixmap at index <em>i</em> with pixmap <em>p</em>. +<p> The array takes ownership of <em>p</em> and will delete <em>p</em> when the +array itself is deleted. +<p> If <em>i</em> is beyond the end of the array the array is extended to at +least i+1 elements, with elements <a href="#count">count</a>() to i-1 being initialized +to 0. + +<!-- eof --> +<hr><p> +This file is part of the <a href="index.html">TQt toolkit</a>. +Copyright © 1995-2007 +<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |