发信人: jackyz()
整理人: dalasthunder(2002-07-25 05:56:04), 站内信件
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sample php script (gif)
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<?
// remember to use php3_gd.dll in php.ini
// refered as <img src="testgif.php">
Header("Content-type: image/gif");
define( "WIDTH", 400 );
define( "HEIGHT", 300 );
define( "BORDER", 20 );
$im = ImageCreate(WIDTH, HEIGHT);
$cx = ImageSX( $im );
$cy = ImageSY( $im );
$dx = $cx / 12;
$dy = $cy / 10;
// prepare colors
$clr_background = ImageColorAllocate($im, 0xff, 0xff, 0xff);
$clr_rect = ImageColorAllocate( $im, 0xff, 0xff, 0xcc );
$clr_fore = ImageColorAllocate( $im, 0, 0, 0 );
$clr_line = ImageColorAllocate( $im, 0xff, 0, 0 );
$clr_str = ImageColorAllocate($im, 0, 0, 0xff );
// draw background
ImageFilledRectangle( $im, BORDER, BORDER, $cx-BORDER, $cy-BORDER,$clr
_rect );
ImageRectangle( $im, BORDER, BORDER, $cx-BORDER, $cy-BORDER, $clr_fore
);
// draw dimension lines
for( $i=$dx+BORDER; $i<$cx-BORDER; $i+=$dx ){
ImageDashedLine( $im, $i, 0+BORDER, $i, $cy-BORDER, $clr_fore );
}
for( $j=$dy+BORDER; $j<$cy-BORDER; $j+=$dy ){
ImageDashedLine( $im, 0+BORDER, $j, $cx-BORDER, $j, $clr_fore );
}
// draw randomized curve
srand((double)microtime()*1000000);
$y = $cy / 2;
for( $i=BORDER; $i<$cx-BORDER; $i+=1 ){
$old_y = $y;
$y += rand( -5, 5 ); // can also get data from database here
ImageLine( $im, $i, $old_y, $i+1, $y, $clr_line );
}
// draw labels
$str = "time (month)";
ImageString( $im, 4, ($cx-7.5*strlen($str))/2, $cy-20, $str, $clr_str)
;
$str = "value (dollar)";
ImageStringUp( $im, 4, 0, ($cy+7.5*strlen($str))/2, $str, $clr_str );
ImageGif($im);
ImageDestroy($im);
?>
--
.鲜.香.麻.辣.烫.
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转载自"CGI论坛"
原文由"twinhotpot(火锅)"发表
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※ 来源:．月光软件站 http://www.moon-soft.com．[FROM: 202.96.135.109]
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