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format

InsertNode Installation

Decompress the module in your sites/all/modules folder.

Go to admin/build/modules (Admin » Site Building » Modules) and select the new module (under package named "Filters input".)

Go to admin/settings/filters (Admin » Site Configuration » Input formats) and select the Insert node filter1.

Make sure that the text areas using the [node:...] tag make use of one of the formats having this Insert node filter ...

  • 1. It is suggested that you create a new format if you are to use this filter only on a few pages. This way, you avoid wasting time on all pages.

DoABCDefine

Tag Info
Tag Number: 
72
Tag Type: 
Action
Tag Flash Version: 
9
Brief Description: 

New container tag for ActionScripts under SWF 9. Includes only actions. This tag is not defined in the official Flash documentation.

Tag Structure: 
struct swf_doabc {
	swf_tag			f_tag;		/* 72 or 82 */
	if(f_tag == DoABC) {
		unsigned long	f_action_flags;
		string		f_action_name;
	}
	swf_action3		f_action_record[variable];
};

*the version specified here is the version in which the tags appeared—however, actions of higher versions can be used with older version tags and thus this version doesn't indicate the version of all the actions used in this tag

The DoABC and DoABCDefine are available since version 9. These are similar to the old DoAction and DoInitAction, yet the actions use a way different declaration scheme and they include flags and a name. This new scheme helps greatly in simplifying the definitions of ECMAScript classes and accelerate the access to the code tremendously.

Note that the ...

DefineVideoStream

Tag Info
Tag Number: 
60
Tag Type: 
Define
Tag Flash Version: 
6
Brief Description: 

Defines the necessary information for the player to display a video stream (i.e. size, codec, how to decode the data, etc.). Play the frames with VideoFrame tags.

Tag Structure: 
struct swf_definevideostream {
	swf_tag			f_tag;		/* 60 */
	unsigned short		f_video_id;
	unsigned short		f_frame_count;
	unsigned short		f_width;	/* WARNING: this is in pixels */
	unsigned short		f_height;
	unsigned char		f_reserved : 5;
	unsigned char		f_deblocking : 2;
	unsigned char		f_smoothing : 1;
	unsigned char		f_codec;
};

This tag defines a video stream. To playback the video stream, one needs to add a list of VideoFrame tags.

The f_width and f_height are defined in pixels. This is rather uncommon in SWF so it is to be noted multiple times.

DefineEditText

Tag Info
Tag Number: 
37
Tag Type: 
Define
Tag Flash Version: 
4
Brief Description: 

An edit text enables the end users to enter text in a Flash window.

Tag Structure: 
struct swf_defineedittext {
	swf_tag			f_tag;		/* 37 */
	unsigned short		f_edit_id;
	swf_rect		f_rect;
	unsigned		f_edit_has_text : 1;
	unsigned		f_edit_word_wrap : 1;
	unsigned		f_edit_multiline : 1;
	unsigned		f_edit_password : 1;
	unsigned		f_edit_readonly : 1;
	unsigned		f_edit_has_color : 1;
	unsigned		f_edit_has_max_length : 1;
	unsigned		f_edit_has_font : 1;
	if(version >= 6) {
		unsigned		f_edit_reserved : 1;
		unsigned		f_edit_auto_size : 1;
	}
	else {
		unsigned		f_edit_reserved : 2;
	}
	unsigned		f_edit_has_layout : 1;
	unsigned		f_edit_no_select : 1;
	unsigned		f_edit_border : 1;
	unsigned		f_edit_reserved : 1;
	unsigned		f_edit_html : 1;
	unsigned		f_edit_use_outlines : 1;
	if(f_edit_has_font) {
		unsigned short		f_edit_font_id_ref;
		unsigned short		f_edit_font_height;
	}
	if(f_edit_has_color) {
		swf_rgba		f_edit_color;
	}
	if(f_edit_has_max_length) {
		unsigned short		f_edit_max_length;
	}
	if(f_edit_has_layout) {
		unsigned char		f_edit_align;
		unsigned short		f_edit_left_margin;
		unsigned short		f_edit_right_margin;
		signed short		f_edit_indent;
		signed short		f_edit_leading;
	}
	string			f_edit_variable_name;
	if(f_edit_has_text) {
		string			f_edit_initial_text;
	}
};

Additional interactivity has been added in V4.0 of the SWF format. This is given by the use of edit boxes offering the end users a way to enter text as if the SWF movie was in fact an interactive form.

The text is defined in a variable (accessible in action scripts). It can be dynamically assigned and retrieved. It is legal to have an empty string as the variable name (not dynamically accessible).

Appendix A — The geometry in SWF — Images

When appropriate, images can also be included in SWF files. All the images can be full color and also have an alpha channel.

Appendix A — The geometry in SWF — Matrix

The coordinates are often transformed with the use of a matrix. The matrix is similar to a transformation matrix in Postscript. It includes a set of scaling factors, rotation angles and translations.

When only the scaling factors are used (no rotation) then these are ratios as one would expect. If a rotation is also applied, then the scaling ratios will be affected accordingly.

SWF Action 3 (swf_action3)

SWF Structure Info
Tag Flash Version: 
9
SWF Structure: 

Not documented here yet.

Since Flash version 9, actions can be saved in a new format named abcFormat by the Tamarin project from the Mozilla organization.

The code itself (action script) is the same, but the structure of an swf_action3 holds object oriented information about classes, methods and such in a really clean way (really! in comparison to the old way, that's dead clean!).

At this time, the swf_action3 structure is documented in the abcFormat.html file.

I will duplicate and test the structures at a later time.

SWF ARGB (swf_argb)

SWF Structure Info
Tag Flash Version: 
1
SWF Structure: 
struct swf_argb {
	unsigned char		f_alpha;1
	unsigned char		f_red;
	unsigned char		f_green;
	unsigned char		f_blue;
};
  • 1. 0 represents a fully transparent color, 255 represents a solid color.

The color components can be set to any value from 0 (no intensity) to maximum intensity (255).1

It is important to note that even fully transparent pixels may not have their red, green, blue components set to 0. This is useful if you want to add a value to the alpha channel using one of the color transformation matrices. In that case, using all 0's would generate a black color.

  • 1. For some PNG images, the red, green and blue colors may need to be multiplied by their alpha channel value before saved. Use the following formula to compute the proper values:

       f_red = orginal red * f_alpha / 255

This format was added to be mostly compatible with the old PNG format (XRGB).

SWF XRGB (swf_xrgb)

SWF Structure Info
Tag Flash Version: 
1
SWF Structure: 
struct swf_xrgb {
	unsigned char		f_pad;
	unsigned char		f_red;
	unsigned char		f_green;
	unsigned char		f_blue;
};

Images without an alpha channel which are saved using 32 bits (format 5) use XRGB colors.

The f_pad field should be set to zero or 255.

The color components can be set to any value from 0 (no intensity) to maximum intensity (255).

Protect

Tag Info
Tag Number: 
24
Tag Type: 
Define
Tag Flash Version: 
2
Brief Description: 

Disable edition capabilities of the given SWF file. Though this doesn't need to be enforced by an SWF editor, it marks the file as being copyrighted in a way.

WARNING: this tag is only valid in Flash V2.x, V3.x, and V4.x, use the EnableDebugger instead in V5.x and EnableDebugger2 in V6.x and newer movies.

Tag Structure: 
struct swf_protect {
	swf_tag			f_tag;		/* 24, 58 or 64  */
	if(version >= 5) {
		if(tag == ProtectDebug2) {
			unsigned short	f_reserved;1
		}
		/* the password is optional when tag == Protect */
		string		f_md5_password;
	}
};
  • 1. f_reserved must be set to zero.

The protection tag is totally useless. The SWF format is an open format, otherwise how would you have so many players and tools to work with SWF movies? Thus, you can pretend to protect your movies, but anyone with a simple binary editor can transform the tag and make it another which has no such effect. Also, swf_dump and some other tools (such as flasm) can read your movie anyway.

For the sake of defining what you have in each tag, there are the protection tags fully described.

According to Macromedia, you can find some free implementation of the MD5 algorithm by Poul-Henning Kamp in ...