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Last updated: Tue, 28 May 2002
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LVIII. Ming functions for Flash

Varoitus

Varoitus! T�m� laajennus on EKSPERIMENTAALINEN. T�m�n laajennuksen ominaisuudet, k�ytt�ytyminen ja funktioiden nimet ja parametrit voivat muuttua varoituksetta seuraavissa PHP versioissa.

Introduction

Ming is an open-source (LGPL) library which allows you to create SWF ("Flash") format movies. Ming supports almost all of Flash 4's features, including: shapes, gradients, bitmaps (pngs and jpegs), morphs ("shape tweens"), text, buttons, actions, sprites ("movie clips"), streaming mp3, and color transforms--the only thing that's missing is sound events.

Ming is not an acronym.

Note that all values specifying length, distance, size, etc. are in "twips", twenty units per pixel. That's pretty much arbitrary, though, since the player scales the movie to whatever pixel size is specified in the embed/object tag, or the entire frame if not embedded.

Ming offers a number of advantages over the existing PHP/libswf module. You can use Ming anywhere you can compile the code, whereas libswf is closed-source and only available for a few platforms, Windows not one of them. Ming provides some insulation from the mundane details of the SWF file format, wrapping the movie elements in PHP objects. Also, Ming is still being maintained; if there's a feature that you want to see, just let us know .

Ming was added in PHP 4.0.5.

Installation

To use Ming with PHP, you first need to build and install the Ming library. Source code and installation instructions are available at the Ming home page : along with examples, a small tutorial, and the latest news.

Download the ming archive. Unpack the archive. Go in the Ming directory. make. make install.

This will build libming.so and install it into /usr/lib/, and copy ming.h into /usr/include/. Edit the PREFIX= line in the Makefile to change the installation directory.

built into php (unix)



       mkdir <phpdir>/ext/ming 
       cp php_ext/* <phpdir>/ext/ming 
       cd <phpdir>
       ./buildconf 
       ./configure --with-ming <other config options>

       

Build and install php as usual, Restart web server if necessary

built into php (unix)

download php_ming.so.gz. uncompress it and copy it to your php modules directory. (you can find your php module directory by running php-config --extension-dir). Now either just add extension=php_ming.so to your php.ini file, or put dl('php_ming.so'); at the head of all of your Ming scripts.

How to use Ming

Ming introduces 13 new objects in PHP, all with matching methods and attributes. To use them, you need to know about objects.

Sis�llys
ming_setcubicthreshold --  Set cubic threshold (?)
ming_setscale --  Set scale (?)
ming_useswfversion --  Use SWF version (?)
SWFAction -- Creates a new Action.
SWFBitmap -- Loads Bitmap object
SWFBitmap->getHeight -- Returns the bitmap's height.
SWFBitmap->getWidth -- Returns the bitmap's width.
SWFbutton -- Creates a new Button.
swfbutton_keypress --  Returns the action flag for keyPress(char)
SWFbutton->addAction -- Adds an action
SWFbutton->addShape -- Adds a shape to a button
SWFbutton->setAction -- Sets the action
SWFbutton->setdown -- Alias for addShape(shape, SWFBUTTON_DOWN))
SWFbutton->setHit -- Alias for addShape(shape, SWFBUTTON_HIT)
SWFbutton->setOver -- Alias for addShape(shape, SWFBUTTON_OVER)
SWFbutton->setUp -- Alias for addShape(shape, SWFBUTTON_UP)
SWFDisplayItem -- Creates a new displayitem object.
SWFDisplayItem->addColor -- Adds the given color to this item's color transform.
SWFDisplayItem->move -- Moves object in relative coordinates.
SWFDisplayItem->moveTo -- Moves object in global coordinates.
SWFDisplayItem->multColor -- Multiplies the item's color transform.
SWFDisplayItem->remove -- Removes the object from the movie
SWFDisplayItem->Rotate -- Rotates in relative coordinates.
SWFDisplayItem->rotateTo -- Rotates the object in global coordinates.
SWFDisplayItem->scale -- Scales the object in relative coordinates.
SWFDisplayItem->scaleTo -- Scales the object in global coordinates.
SWFDisplayItem->setDepth -- Sets z-order
SWFDisplayItem->setName -- Sets the object's name
SWFDisplayItem->setRatio -- Sets the object's ratio.
SWFDisplayItem->skewX -- Sets the X-skew.
SWFDisplayItem->skewXTo -- Sets the X-skew.
SWFDisplayItem->skewY -- Sets the Y-skew.
SWFDisplayItem->skewYTo -- Sets the Y-skew.
SWFFill -- Loads SWFFill object
SWFFill->moveTo -- Moves fill origin
SWFFill->rotateTo -- Sets fill's rotation
SWFFill->scaleTo -- Sets fill's scale
SWFFill->skewXTo -- Sets fill x-skew
SWFFill->skewYTo -- Sets fill y-skew
SWFFont -- Loads a font definition
swffont->getwidth -- Returns the string's width
SWFGradient -- Creates a gradient object
SWFGradient->addEntry -- Adds an entry to the gradient list.
SWFMorph -- Creates a new SWFMorph object.
SWFMorph->getshape1 -- Gets a handle to the starting shape
SWFMorph->getshape2 -- Gets a handle to the ending shape
SWFMovie -- Creates a new movie object, representing an SWF version 4 movie.
SWFMovie->add -- Adds any type of data to a movie.
SWFMovie->nextframe -- Moves to the next frame of the animation.
SWFMovie->output -- Dumps your lovingly prepared movie out.
SWFMovie->remove -- Removes the object instance from the display list.
SWFMovie->save -- Saves your movie in a file.
SWFMovie->setbackground -- Sets the background color.
SWFMovie->setdimension -- Sets the movie's width and height.
SWFMovie->setframes -- Sets the total number of frames in the animation.
SWFMovie->setrate -- Sets the animation's frame rate.
SWFMovie->streammp3 -- Streams a MP3 file.
SWFShape -- Creates a new shape object.
SWFShape->addFill -- Adds a solid fill to the shape.
SWFShape->drawCurve -- Draws a curve (relative).
SWFShape->drawCurveTo -- Draws a curve.
SWFShape->drawLine -- Draws a line (relative).
SWFShape->drawLineTo -- Draws a line.
SWFShape->movePen -- Moves the shape's pen (relative).
SWFShape->movePenTo -- Moves the shape's pen.
SWFShape->setLeftFill -- Sets left rasterizing color.
SWFShape->setLine -- Sets the shape's line style.
SWFShape->setRightFill -- Sets right rasterizing color.
SWFSprite -- Creates a movie clip (a sprite)
SWFSprite->add -- Adds an object to a sprite
SWFSprite->nextframe -- Moves to the next frame of the animation.
SWFSprite->remove -- Removes an object to a sprite
SWFSprite->setframes -- Sets the total number of frames in the animation.
SWFText -- Creates a new SWFText object.
SWFText->addString -- Draws a string
SWFText->getWidth -- Computes string's width
SWFText->moveTo -- Moves the pen
SWFText->setColor -- Sets the current font color
SWFText->setFont -- Sets the current font
SWFText->setHeight -- Sets the current font height
SWFText->setSpacing -- Sets the current font spacing
SWFTextField -- Creates a text field object
SWFTextField->addstring -- Concatenates the given string to the text field
SWFTextField->align -- Sets the text field alignment
SWFTextField->setbounds -- Sets the text field width and height
SWFTextField->setcolor -- Sets the color of the text field.
SWFTextField->setFont -- Sets the text field font
SWFTextField->setHeight -- Sets the font height of this text field font.
SWFTextField->setindentation -- Sets the indentation of the first line.
SWFTextField->setLeftMargin -- Sets the left margin width of the text field.
SWFTextField->setLineSpacing -- Sets the line spacing of the text field.
SWFTextField->setMargins -- Sets the margins width of the text field.
SWFTextField->setname -- Sets the variable name
SWFTextField->setrightMargin -- Sets the right margin width of the text field.
User Contributed Notes
Ming functions for Flash
add a note about notes

04-Aug-2001 12:17

// Simple button with link

<?php
  Ming_setScale(1.0);

  function makeRect($r, $g, $b){
    $s = new SWFShape();
    $s->setRightFill($s->addFill($r, $g, $b));
    $s->movePenTo(-100,-20);
    $s->drawLineTo(100,-20);
    $s->drawLineTo(100,20);
    $s->drawLineTo(-100,20);
    $s->drawLineTo(-100,-20);
    return $s;
  }

// Set Font
  $font = new SWFFont("test.fdb");
  $text1 = new SWFText();
  $text1->setFont($font);
  $text1->moveTo(155, 410);
  $text1->setColor(0x00, 0x00, 0x00);
  $text1->setHeight(28);
  $text1->addString("php.net");
  $b1 = new SWFButton();
  $b1->setUp(makeRect(0xff, 0, 0));
  $b1->setOver(makeRect(0xcc, 0, 0));
  $b1->setDown(makeRect(0, 0, 0xaa));
  $b1->setHit(makeRect(0, 0, 0));
  $b1->addAction(new SWFAction("getURL('
'phpsite');"),
                SWFBUTTON_MOUSEUP);

  $m = new SWFMovie();
  $m->setDimension(1000,1000);
  $m->setBackground(0xcc, 0xcc, 0xcc);

  $i = $m->add($b1);
  $m->add($text1);
  $i->setName("phpsite");
  $i->moveTo(200,400);

header("Content-type: application/x-shockwave-flash");
$m->output();
?>


20-Aug-2001 06:50

//In quicktime, movies may be exported as jpeg or png
//This object will convert any movie that has been saved as a group of
images into
//an swf file. The frame rate and other attributes can be controlled

$path = "my_movie_dir"; //relative path to the jpg/png or bmp
files
$frame_rate=30; //frame rate of the flash movie
$quality=50; //image quality during conversion (only valid if not jpeg)
$skip_rate=5; //how many frames to skip
set_time_limit("600"); //this could take some time

$converter=new images_to_swf($path,$frame_rate,$skip_rate);

//$converter->convert_images(70); //Use this if using non jpeg files or
decreasing the quality

$converter->make_movie();//Make the movie

//Do two things with it
$converter->save_movie("my_movie_dir/my_movie.swf"); 
$converter->output_movie();

class images_to_swf {
	
	var $path; //path to the image files
	var $skip_rate;
	var $movie;
	var $images=array();
	
	function images_to_swf($path,$frame_rate=30,$skip_rate=5) {
		$this->path=$path;
		$this->skip_rate=$skip_rate;
		
		$this->movie=new swfmovie ();
		$this->movie->setrate ($frame_rate);
	}
	
	function convert_images($quality=80,$delete_old_files=1) {
		$main = opendir($this->path);
		rewinddir($main);
		//first convert to jpeg (if we have to)
		//also change the quality
		while($filename = readdir($main)) { 
			
			//only use valid file types
			if (ereg("(png|bmp|jpg|jpeg)\$",$filename)) {
				$file_path=$this->path."/".$filename;
				
				if (ereg("png\$",$filename)) $temp_img=imagecreatefrompng
($file_path);
				else if (ereg("bmp\$",$filename))
$temp_img=imagecreatefrompng ($file_path);
				else if (ereg("(jpg|jpeg)\$",$filename))
$temp_img=imagecreatefromjpeg ($file_path);
				
				if (ereg("(png|bmp)\$",$filename)) {
					if ($delete_old_files) unlink($file_path);
					$new_file_path=$file_path.".jpg";
				}
				else $new_file_path=$file_path;
				
				ImageJPEG($temp_img,$new_file_path,$quality);
				
				//echo "Converted $filename to $new_file_path at quality
$quality<br />";
			}
		}
	}
	
	function make_movie() {
		$main = opendir($this->path);
		rewinddir($main);
		//Get all valid jpegs
		while($filename = readdir($main)) { 
			if (ereg("(jpg|jpeg)\$",$filename)) {
				$file_path=$this->path."/".$filename;
				$valid_paths[]=$file_path;
			}
		}
		
		//Put jpegs in order
		sort($valid_paths);
		
		//then create the movie
		for ($a=0; $a<count($valid_paths); $a=$a+$this->skip_rate) {
			$fp = fopen($valid_paths[$a],"rb");
			$this->images[$a] = fread($fp,999999);
			fclose($fp);
			$this->movie->add(new swfbitmap($this->images[$a]));
			$this->movie->nextframe();
			//echo "Added ".$valid_paths[$a]." to the movie<br
/>\n";
		}
	}
	
	function save_movie($file_name) {
		$this->movie->save($file_name);
	}
	
	function output_movie() {
		header('Content-type: application/x-shockwave-flash');
		$this->movie->output();
	}
}


26-Dec-2001 03:42

You can get several .fdb font files from 

ceoATl-i-eDOTcom
20-Apr-2002 09:15

Like, the build instructions are for building from CVS, I think...

Mere mortals can just do:
cd ming-x.y.z  (xyz is version)
make static
make install
ldconfig  (you might need do use "whereis ldconfig" to find it,
and then use the full path)
cd ../php-x.y.z
./configure --with-ming ...

And don't be copying the "new" ming code into your PHP dir like
the ming instructions say to do.  That will just mess you up.

add a note about notes
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