SWFBitmap->__construct()
(no version information, might be only in CVS)
SWFBitmap->__construct() -- Loads Bitmap object
说明
class
SWFBitmap {
SWFBitmap
__construct ( mixed file [, mixed alphafile] )
}
警告 |
本函数是实验性的。本函数的行为,包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随
PHP 以后的发布而改变。使用本函数风险自担。 |
Creates the new SWFBitmap object from the given
file
.
参数
For both parameters you can provide a file pointer returned by
fopen() or the image data, as a binary string.
file
注意:
We can only deal with baseline (frame 0) jpegs, no baseline optimized or
progressive scan jpegs!
You can't import png images directly, though- have to use the png2dbl
utility to make a dbl ("define bits lossless") file from the png.
The reason for this is that I don't want a dependency on the png library
in ming- autoconf should solve this, but that's not set up yet.
alphafile
An MSK file to be used as an alpha mask for a JPEG image.
范例
例 1. Importing a DBL file
<?php $s = new SWFShape(); $f = $s->addFill(new SWFBitmap(file_get_contents("image.dbl"))); $s->setRightFill($f);
$s->drawLine(32, 0); $s->drawLine(0, 32); $s->drawLine(-32, 0); $s->drawLine(0, -32);
$m = new SWFMovie(); $m->setDimension(32, 32); $m->add($s);
header('Content-type: application/x-shockwave-flash'); $m->output(); ?>
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例 2. Using an alpha mask
<?php
$s = new SWFShape();
// .msk file generated with "gif2mask" utility $f = $s->addFill(new SWFBitmap(file_get_contents("alphafill.jpg"), file_get_contents("alphafill.msk"))); $s->setRightFill($f);
$s->drawLine(640, 0); $s->drawLine(0, 480); $s->drawLine(-640, 0); $s->drawLine(0, -480);
$c = new SWFShape(); $c->setRightFill($c->addFill(0x99, 0x99, 0x99)); $c->drawLine(40, 0); $c->drawLine(0, 40); $c->drawLine(-40, 0); $c->drawLine(0, -40);
$m = new SWFMovie(); $m->setDimension(640, 480); $m->setBackground(0xcc, 0xcc, 0xcc);
// draw checkerboard background for ($y=0; $y<480; $y+=40) { for ($x=0; $x<640; $x+=80) { $i = $m->add($c); $i->moveTo($x, $y); }
$y+=40;
for ($x=40; $x<640; $x+=80) { $i = $m->add($c); $i->moveTo($x, $y); } }
$m->add($s);
header('Content-type: application/x-shockwave-flash'); $m->output(); ?>
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