ActionScript 2.0 :: Creating BitmapData Object Of Jpg
Sep 4, 2007
I am trying to create a BitmapData object of a jpg that is loaded into a movieClip, so that I can then remove the jpg and have just the BitmapData of the image to manipulate. I have the original image loading into my temporary MC without any problems..and am using a listener to check to make sure that the image has been fully loaded before it moves onto creating an empty movie clip for the BitmapData... but for some reason the BitmapData isn't working as nothing shows up in my holderMC.. and it says the width of the holderMC is 0 when it should be something liek 367 for the 'surf.jpg' test image I am using. My code is below..
Code:
import flash.display.BitmapData;
stop();
_root.createEmptyMovieClip("tempMC", 1, {_alpha:0});
[Code].....
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Dec 29, 2009
The title might be a little misleading. Look at my code and I will explain
public static function loadTile(tileDir:String = "empty"):void
{
if(tileDir != "empty")
{
tPoint = new Point(0,0);
tRect = new Rectangle(0,0,30,30);
[Code]...
I am trying to do tiling with sprites. I want my tiles to be interactive, so that is why I am using the sprite object instead of using regular bitMaps to represent my tiles. You might be wondering why I wouldnt just use graphics.beginBitmapFill(tImage); and graphics.drawRect(0, 0,tWidth ,tHeight ); to pick out the tiles I want to use. Well reason being is because it turns out that drawRect() first and second parameters actually alter the location of where the actual sprite sits at.
So if I set the x and y properties of the sprite to x = 20, and y = 20. then I set my drawRect(20,20). it actually adds an extra 20 pixels to my x and y coords of my sprite. And I know the reason why, I just need to know a better way.
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Feb 16, 2011
I'm trying to trace the path of an object by using setPixel on the object's position every frame in a BitmapData/Bitmap pairing. These pixels aren't showing up normally and I suspect I have a fundamental misunderstanding of the BitmapData class. Here's what I'm doing:
public var contrailBase:BitmapData;
public var contrail:Bitmap;
private var contrailColor:uint;[code].....
Using this code, the red pixels don't show up. If I initialize contrailBase to 0xFF000000 instead then I get a black screen on which the red pixels DO draw, but I need the bitmap to be transparent except for the contrail. What am I doing wrong?
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Oct 17, 2009
I'm trying to modify the alpha layer of a bitmapData by taking a source iamge and masking out areas that don't have the correct channel. ATM I'm using copyChannel to achieve the effect, but I'd liek more than 3 channels (use alpha kills the other channels it seems). 255, 0, 255 should be able to act as another mask.
This is what I'm doing now...
Code:
bitmap.bitmapData.copyChannel(tempMask, new Rectangle(0, 0, tempMask.width, tempMask.height), new Point(0, 0), BitmapDataChannel.RED, BitmapDataChannel.ALPHA);
So the red parts of the image mask out the source image. All I want is to be able to mask out things basic on multiple channels (the lesser of the 2).
1) How does copyChannel work? Can I just test each pixel manually and achieve relatively similar speeds? and 2) if the Flash inline functions are infact faster, is there a function that can do what I want, or would it be better to use a shader?
Code:
var tempBitmapData:BitmapData = new BitmapData(tempMask.width, tempMask.height);
var matrix:Array = [];
matrix = matrix.concat([0, 0, 0, 0, 0]); // red
matrix = matrix.concat([0, 0, 0, 0, 0]); // green
[Code].....
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Nov 26, 2009
I have the following code:
ActionScript Code:
_camera = Camera.get();
_camera.setMode(320, 180, 12, false);
_video.attachVideo(_camera); //attaching to Video object
[Code]....
2) why is the image from the camera so small? It doesn't fill the 320x180 white background, it's size is actually 160x120. Is this some Flash limitation or how exactly did it get to this size?
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Jun 1, 2011
I have the following code
///Get BitmapData from library in SWC
var ClassReference:Class = getDefinitionByName(products[i].producticon+"Data") as Class;
// Create new BitmapData Instance From it
[Code]....
I get null in the trace. How do I make a dynamic class that I can refer to for this bitmap similar to how your reference a class from and embedded media?
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Aug 21, 2008
I am using bitmapdata to make me a nice lil' background image, and it works great...until it's resized. Whats happening is it's creating a new bgHolder clip on the resize, NOT resizing the current empty clip "bgHolder"
Here's the code:
import flash.display.BitmapData;
#include "mc_tween2.as"
Stage.align = "TL";
Stage.scaleMode = "noScale";
var myListener:Object = new Object();
myListener.onResize = function() {
[Code] .....
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Nov 5, 2009
I'm trying to make an scratch lottery ticket in as3 by using the bitmapData class. The scratch function is working fine, but I want to add an function that is challenging. When 75% of the lottery ticket surface is scratched of I want to trigger an event.
My ActionScript Code:
var toolsize = skraper_mc.width;
var tooloffset = toolsize/2;
var basepoint = new flash.geom.Point(0,0);
var bitmap:Bitmap=new Bitmap();
[Code] .....
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Oct 11, 2009
Flex 3, ActionScript 3, Flash player 9.
I have a picture in a BitmapData object. And an array of points. I nead to erase the part of the picture inside a polygon specified by the points. In other words, draw a polygon specified by the points and fill it with transparency.
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Dec 28, 2009
I have 3 objects. One BitMap that acts as my canvas. And 2 bitmapDatas. One is my buffer and another is my tiles. I am creating a tiling effect for a game. I would like to take my tile:BitMapData, and turn it into a custom object. reason being is I want each tile to be interactive. So I can click on each one. Is it possible to turn my bitMapData that represents a tile, into a custom object that has properties and methods. Sort of like a movie clip. and draw it into my buffer ?? Could I create a new class that extends bitMapData ?? Or would I have to get rid of the buffer and draw the tile objects directly into the BitMap ??
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Aug 23, 2011
I have converted a PNG into a bitmap, then converted that into bitmapData.
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my code is:
if(bmd1.hitTest(new Point(_player.x, _player.y))){
trace("hit");
}
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I am getting the following error:
1136: Incorrect number of arguments, Expected 3
I have looked around but cannott find what argument I am missing
I have tried
if(bmd1.hitTest(new Point(_player.x, _player.y), 50, _player)){
trace("hit");
}
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I have a PNG, i import that and convert to bitmap, then convert to bitmapData
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Sep 30, 2009
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ActionScript Code:
// 'image' being a MovieClip on the stage
var bit1:BitmapData = new BitmapData(image.width*0.5, image.height, true, 0xff000000);
[code]....
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[Code]...
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Dec 30, 2009
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I want to store the bitmap data from _sampleTile in array, but I was wondering how to increase the performance. If I do it like this:
var _sampleTile:BitmapData;
var _arrayLenght:int = _tileClipArray.length;
for(var i:int = 0; i < _arrayLenght; ++i){
[code].....
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Mar 31, 2009
In Flash, the BitmapData object can be used to store bitmaps in RAM, you can later draw them to a MovieClip using the beginBitmapFill() method.
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ActionScript Code:
var rect:Rectangle = object.getBounds(stage);
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[code]......
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reason is i'm copying this grayscale Perlinnoise smoke image and makig it such that the darker the color, the more transparent it is. (I'musingcopyChannel.RED/GREEN/BLUE->CopyChannel.ALPHA). But right now, it's the other way round at the moment (ie. the brighter the pixel, the more opaque it is.). I want it to be more transparent instead (inversely proportional), so if i could find simple & fast way invert the alpha channel, it would do me so much more good. (I need a fast method...performance is critical!)
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Aug 22, 2011
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<objecthandles:ObjectHandles xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" backgroundAlpha="1" xmlns:mx="library://ns.adobe.com/flex/mx"
[code].....
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Jun 16, 2010
Using Actionscript 3 is there a way to search one bitmap for the coordinates matching pixels of another bitmap?
[URL]
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[Code]...
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Jul 14, 2009
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var mat:Matrix = new Matrix();
mat.scale(_custom_resize_width / bitmapdata1.width, _custom_resize_height / bitmapdata1.height);
[code].....
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is it possible to create instance inside method of another instance? But I want new instance to be sibling of instance where it was created.something like this:
ActionScript Code:
parent = new Parent();
childA = new Child();
parent.addChild(childA);
Child class would have this onclick event function:
ActionScript Code:
public function child_click(e:MouseEvent):void {
childB = new Child();
}
I want "childB" to be child of "parent", no property of childA. so I could do:
ActionScript Code:
parent.addChild(childB);
how is this possible without passing "parent" instance as parameter?
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Jan 31, 2007
I'm using Flash 8, with this code in the first frame:
import flash.display.BitmapData;
rissa._x=Stage.width/2;
rissa._y=Stage.height/2;[code].....
When I publish the file, I'm getting the following error message in the Output panel:
**Error** Scene=Scene 1, layer=Layer 2, frame=1:Line 7: The class or interface 'BitmapData.loadBitmap' could not be loaded.
var plaid:BitmapData.loadBitmap("plaid");
Total ActionScript Errors: 1 Reported Errors: 1
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Oct 14, 2009
I am trying to use the reflect class from "http://pixelfumes.blogspot.com/2007/03/reflection-class-v3-with-source .html" but I keep getting this error:
ArgumentError: Error #2015: Invalid BitmapData.
at flash.display::BitmapData()
at Reflect()
at Site_fla::GalleryPage_29/loadThumbs()
at Site_fla::GalleryPage_29/sortXML()
[Code]...
btw, first I used assigned thumbContainer as the mc argument (outside the loadThumbs() function) and it worked but not exactly what I wanted... because I thought it is supposed to update when the movieclip is animated but it actually didn't... when I use a scroller, only the thumbs that are first loaded to the stage get the reflection..
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Dec 29, 2011
I've been using BitmapData.copyPixels() to draw graphics onto a canvas (Bitmap).I need to rotate the resulting graphics without the use of draw() because it's vastly slower.How can I rotate the target graphic? I'm assuming that there might be a formula or library that I can use which will first reorganize the pixels that make up a graphic based on an origin (point) and radians.I'm pretty certain that I'm not capable of creating such logic, so if there are any known libraries that do this, that would be awesome.I'd like to achieve something similar to XNA's SpriteBatch.Draw() method, which accepts rotation as its 5th argument.
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how to use the bitmapData collision method. Now I'm trying to figure out if there is a way to see at what angle or coordinate of the bitmapData the collision happens? I need it in order to figure the accurate bounce angle after the collision occurs.
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I'm currently working on a flash game and I need to know how to addChild a BitmapData or draw a BitmapData to screen. If I can't than how can I give a DisplayObject my BitmapData?
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Dec 22, 2011
I've made a mobile version of my software, with low-res images and such, and I can now fully buffer all my content (including a 360 frame animation which is buffered to memory). Problem is, that everytime I update the view, more memory is used.When I write image = new BitmapData();, does it store the previously created BitmapData's in memory? Do I have to flush the memory somehow before I draw my second picture in BitmapData?Example:
ActionScript Code:
// In this example I draw using the same bitmapData several times, also
//overwriting the first image. Do I have to somehow delete the data first, to
[code].....
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