SunshinePHP Developer Conference 2015

swf_pushmatrix

(PHP 4)

swf_pushmatrixPush the current transformation matrix back onto the stack

설명

void swf_pushmatrix ( void )

Pushes the current transformation matrix back onto the stack.

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greg at newtechy dot com
13 years ago
This function saves the current transformation settings on the stack so that you can restore it later if you need to.  You can restore it with the popmatrix function.  For example, if you run this code:

// save the current transformation matrix
swf_pushmatrix();

// translate this object
swf_definefont(3, "Mod");
swf_fontsize(5);
swf_definetext(3, "Hello", 1);
swf_translate(50, 50, 0);
swf_placeobject(3, 50);

// reload the last saved transformation matrix
swf_popmatrix();

swf_showframe();

Only the text "Hello" will be transformed to that location on the animation.  At first when I started using this library I didn't know what this did, but this is what I've found so far.  It can be very useful in animation.
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