Shockwave Flash 函数
<br>PHP offers the ability to create Shockwave Flash files via Paul Haeberli’s libswf module. You can download libswf at http://reality.sgi.com/grafica/flash/. Once you have libswf all you need to do is to configure --with-swf[=DIR] where DIR is a location containing the directories include and lib. The include directory has to contain the swf.h file and the lib directory has to contain the libswf.a file. If you unpack the libswf distribution the two files will be in one directory. Consequently you will have to copy the files to the proper location manually.
Once you’ve successfully installed PHP with Shockwave Flash support you can then go about creating Shockwave files from PHP. You would be surprised at what you can do, take the following code: Example 1. SWF example
<?php<br>swf_openfile ("test.swf", 256, 256, 30, 1, 1, 1);<br>swf_ortho2 (-100, 100, -100, 100);<br>swf_defineline (1, -70, 0, 70, 0, .2);<br>swf_definerect (4, 60, -10, 70, 0, 0);<br>swf_definerect (5, -60, 0, -70, 10, 0);<br>swf_addcolor (0, 0, 0, 0);
swf_definefont (10, "Mod");<br>swf_fontsize (5);<br>swf_fontslant (10);<br>swf_definetext (11, "This be Flash wit PHP!", 1);
swf_pushmatrix ();<br>swf_translate (-50, 80, 0);<br>swf_placeobject (11, 60);<br>swf_popmatrix ();
for ($i = 0; $i < 30; $i++) {<br> $p = $i/(30-1);<br> swf_pushmatrix ();<br> swf_scale (1-($p*.9), 1, 1);<br> swf_rotate (60*$p, ’z’);<br> swf_translate (20+20*$p, $p/1.5, 0);<br> swf_rotate (270*$p, ’z’);<br> swf_addcolor ($p, 0, $p/1.2, -$p);<br> swf_placeobject (1, 50);<br> swf_placeobject (4, 50);<br> swf_placeobject (5, 50);<br> swf_popmatrix ();<br> swf_showframe ();<br>}
for ($i = 0; $i < 30; $i++) {<br> swf_removeobject (50);<br> if (($i%4) == 0) {<br> swf_showframe ();<br> }<br>}
swf_startdoaction ();<br>swf_actionstop ();<br>swf_enddoaction ();
swf_closefile ();<br>?><br>
<br>It will produce the animation found at the following url.
Note: SWF support was added in PHP 4 RC2.
The libswf does not have support for Windows. The development of that library has been stopped, and the source is not available to port it to another systems.
Table of Contents<br>swf_openfile — Open a new Shockwave Flash file<br>swf_closefile — Close the current Shockwave Flash file<br>swf_labelframe — Label the current frame<br>swf_showframe — Display the current frame<br>swf_setframe — Switch to a specified frame<br>swf_getframe — Get the frame number of the current frame<br>swf_mulcolor — Sets the global multiply color to the rgba value specified <br>swf_addcolor — Set the global add color to the rgba value specified <br>swf_placeobject — Place an object onto the screen<br>swf_modifyobject — Modify an object<br>swf_removeobject — Remove an object<br>swf_nextid — Returns the next free object id<br>swf_startdoaction — Start a description of an action list for the current frame <br>swf_actiongotoframe — Play a frame and then stop<br>swf_actiongeturl — Get a URL from a Shockwave Flash movie<br>swf_actionnextframe — Go foward one frame<br>swf_actionprevframe — Go backwards one frame<br>swf_actionplay — Start playing the flash movie from the current frame <br>swf_actionstop — Stop playing the flash movie at the current frame <br>swf_actiontogglequality — Toggle between low and high quality <br>swf_actionwaitforframe — Skip actions if a frame has not been loaded <br>swf_actionsettarget — Set the context for actions<br>swf_actiongotolabel — Display a frame with the specified label <br>swf_enddoaction — End the current action<br>swf_defineline — Define a line<br>swf_definerect — Define a rectangle<br>swf_definepoly — Define a polygon <br>swf_startshape — Start a complex shape<br>swf_shapelinesolid — Set the current line style<br>swf_shapefilloff — Turns off filling<br>swf_shapefillsolid — Set the current fill style to the specified color <br>swf_shapefillbitmapclip — Set current fill mode to clipped bitmap <br>swf_shapefillbitmaptile — Set current fill mode to tiled bitmap <br>swf_shapemoveto — Move the current position<br>swf_shapelineto — Draw a line<br>swf_shapecurveto — Draw a quadratic bezier curve between two points <br>swf_shapecurveto3 — Draw a cubic bezier curve<br>swf_shapearc — Draw a circular arc<br>swf_endshape — Completes the definition of the current shape <br>swf_definefont — Defines a font <br>swf_setfont — Change the current font<br>swf_fontsize — Change the font size<br>swf_fontslant — Set the font slant<br>swf_fonttracking — Set the current font tracking<br>swf_getfontinfo — The height in pixels of a capital A and a lowercase x <br>swf_definetext — Define a text string<br>swf_textwidth — Get the width of a string<br>swf_definebitmap — Define a bitmap<br>swf_getbitmapinfo — Get information about a bitmap<br>swf_startsymbol — Define a symbol<br>swf_endsymbol — End the definition of a symbol<br>swf_startbutton — Start the definition of a button<br>swf_addbuttonrecord — Controls location, appearance and active area of the current button <br>swf_oncondition — Describe a transition used to trigger an action list <br>swf_endbutton — End the definition of the current button <br>swf_viewport — Select an area for future drawing<br>swf_ortho — Defines an orthographic mapping of user coordinates onto the current viewport <br>swf_ortho2 — Defines 2D orthographic mapping of user coordinates onto the current viewport <br>swf_perspective — Define a perspective projection transformation <br>swf_polarview — Define the viewer’s position with polar coordinates <br>swf_lookat — Define a viewing transformation<br>swf_pushmatrix — Push the current transformation matrix back unto the stack <br>swf_popmatrix — Restore a previous transformation matrix <br>swf_scale — Scale the current transformation<br>swf_translate — Translate the current transformations<br>swf_rotate — Rotate the current transformation<br>swf_posround — Enables or Disables the rounding of the translation when objects are placed or moved
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