ActionScript 3.0 :: BitmapData Color Replacing Within A Range?
Jun 15, 2009
I'm trying to replace a range of colours programmatically - I have sprites for a game that have parts of them in shades of magenta specifically so they can be recoloured to show their team colour (blue,red,etc).I've been able to use BitmapData.threshold() to replace a single specific colour with another. What I need to be able to do though is set some sort of range of colours and appropriately shade them blue/green/red while keeping their relative light/dark shades.Here's what I've used to do a single colour:
Code:
var thisBitmap:Bitmap = MySpriteBitmap; //source bitmap
var colouredBitmapData:BitmapData = new BitmapData(thisBitmap.bitmapData.width,
[code]....
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Sep 26, 2008
I'm trying to figure out how to generate random colors but within a particular range.In my application I have to allocate a random color to an unknown number of movieclips.I can do this ok but sometimes I'm wind up with a very ugly combination of colors like bright yellow and purple for examples.How can I generate random colors within a particular "range" I guess is the word for it?
ActionScript Code:
for (var h:int=0; h<noOfUniqueClips; h++)
{
[code]........
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Jun 17, 2009
The colorpicker component is missing the gray color range ... is there a way to add the gray color range in the component?
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Oct 20, 2006
I have another small question regarding dynamic color in movieclips. Essentially, I am looking for a way to find a color within a movieclip (like #999999 in the below sample) and replace that color with something else (like #ffd223).
But, I want the stroke around the circle to remain untouched. So, the script would only find a certain fill, and color only that area.
I tinkered with the beginFill method but couldn't get it working.
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May 25, 2009
I am trying to exclude dark(er) colors, not sure this is the right way, but its the best with my level of knowledge
Code:
var color:uint = (Math.floor(Math.random() * 0xFFFFFF));
function randomColor(color:uint):uint {
[code].....
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Jan 3, 2012
I need to have a color key that changes color in relation to how close/far the user drags a movie clip from the correct area. For example, if I have a circle_mc and want the user to drag it within a bounded area (trapezoid in this case), as the dragged mc gets closer to the correct area (a circle perhaps) the color of the color key box changes along a continuum from red (wrong/far) toward green (correct/close)
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Dec 22, 2010
I am attempting to dynamically change the color of a subset/portion of text in a Spark TextArea control. Using the MX-based TextArea, I could leverage the mx.controls.textClasses.TextRange type and change the color directly as follows:
TextRange tr = new TextRange(theTextAreaControl, false, beginIndex, endIndex);
tr.color = somePredefindColor;
Input Parameters to TextRange constructor:
1st argument: The TextArea control that will provide access to the underlying textField property
2nd argument: Indicates the TextRange will not modify the content of the TextArea
3rd argument: The beginning index position in the TextArea text string
4th argument: The ending index position in the TextArea text string
How would I go about doing this for a Spark-based TextArea control? I am looking to dynamically change the font color for a range of text, not just the entire TextArea AND I cannot statically specify the font color. The problem I run into when trying to re-use the TextRange type is that the 1st argument is expected to provide the textField property, which is currently not on the Spark-based TextArea control. I thought about extending the Spark-based TextArea control to provide this accessor property but that seems like overkill and is probably not the best approach.
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May 25, 2011
basically my issue is that im trying to extract a certain color from my bitmap data, i have the bitmap data being created from an image the user specifies and i can/have drawn that onto the the stage, which works fine and dandy but what i need to do is extract a color from the image and present just that to the user but try as i might i cant get it to work
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Aug 1, 2009
I need to create, from a given Bitmap/BitmapData of a PNG file which has transparent and semitransparent pixels, another BitmapData which is a copy of it, but all the pixels (well, the pixels that are not alpha 0% actually) must have a specified grey color value (0xdddddd).
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Nov 10, 2011
Let's say you have an image of a cartoon human that is wearing a blue jacket with white sleeves, blue shoes, and grey pants. Brown hair and biege skin tone.(My project actually has 1300 of these images - 325 are blue cloths, 325 are red cloths, 325 are green cloths, and 325 are purple cloths)I am having a major problem with file size and memory usage due to all the images, so I have been asked to see if there was a way I could programmatically change the clothing color... this way we can use any color we want, and only have 325 base images.I have been trying to play with color matrix filter and color transform, but I can't seem to get the hang of itIs there a way I can extract only the "blue" colors from the image and do a hue shift on it to the color that I want it to be without effecting the non-blue colors
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Jul 3, 2010
I have a code like this:
[Code]....
I want to make the white color in the generated PNG transparent.
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Feb 24, 2012
I have a map (map of a mall, top view) with some colors. I´m removing the part for walking of the map, which has a type of color (say 0xcccccc).
I got all the 0xcccccc color pixels removed (setted to another color), but it seems to remain a bit of gray at the walking part.
The color of that bit it´s close to 0xcccccc. It looks like flash not succeeded while removing the walking part. But instead, leaved some parts (like borders or something) on the bitmapdata.
I´ve tried to remove by script, by picking the colors remained on the bitmap, but the loop doesn´t find these colors.
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Jun 22, 2010
I'm looking for an efficient way to filter a specific color from a bitmapData object in ActionScript 3. Currently I use a loop with readByte32(). This takes about a second to process which is unacceptable. I have been trying to get paletteMap() to work but so far haven't been able to grasp its API (any truly useful links? Google has failed me...). Here's my current logic, which I want to improve:
[Code]...
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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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Sep 1, 2011
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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Jul 15, 2009
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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Feb 6, 2010
i have a button, with instance name lightblue_color. I am assigning a color to its color field like this: lightblue_color.transform.colorTransform.color = 0x65ffff; then i am adding an eventlistener to the button like this: lightblue_color.addEventListener(MouseEvent.CLICK, ChangeColor); Then, in the function: public function ChangeColor(evnt:MouseEvent):void {trace(evnt.target.transform.colorTransform.color);} It prints 0. Why is that? Shouldn't it print 0x65ffff or do i need to do some type conversions?
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Jan 9, 2012
I am having an issue with using BitmapData.draw(stage). I am getting the following error:
SecurityError: Error #2123: Security sandbox violation: BitmapData.draw: file:///C|/Documents%20and%20Settings/bla...bla...bla.swf cannot access null. No policy files granted access. Here is a portion of my code:
var bd:BitmapData = new BitmapData(2800, 2100); bd.draw(stage);//this is where the error happens All of the files referenced (.xml/.jpg/.swf) are located in the same local folder as the main .swf. How do I get around this error? The main objective is to print the stage using PrintJob(). I am using Flash Professional CS5.5 and publishing to Flash 10.0/10.1. Let me know if I need to supply any more info.
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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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Dec 15, 2006
If I've set a color for an MC with new Color(),how can I remove that color again?
Code:
onClipEvent (enterFrame) {
if (this.hitTest(_root._xmouse, _root._ymouse, true)) {[code]..........
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Nov 20, 2009
When I use the code in red once my cursor has replaced the mouse i can no longer click on my boxes. When i do not use the hide mouse code i can click the boxes just fine. What am I doing wrong? [code]
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Jul 28, 2011
I have a main shell swf file that has two buttons on it that should each launch/load their respective swf files (tool1, tool2). These should essentially replace the main swf file. Also, I have a button on tool1 & 2 that should bring you back to the main menu. All these files are then compiled into an exe. Seems easy enough, but I'm not entirely sure where to start.
So far I have:
import flash.display.*;
import flash.net.URLRequest;
tool1_btn.addEventListener(MouseEvent.CLICK, gotoTool1);
function gotoTool1 (e:MouseEvent):void{
Loader(this.parent).load(new URLRequest("tool1.swf"));
}
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Mar 4, 2009
My code is attached - I'm trying to replace the loaded pngfile with the next one to load everytime the swf loops. The codeattached is on the first frame of the timeline and it just loadsthe next png on top of the old one. Any time I try to put anunload() or a removeChild(myBitmap), nothing displays. I could havesworn that the way I'm using load() it would just replace the
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Jul 9, 2009
I've got music player and one of the controls is a movieclip which acts as a PLAY and PAUSE button. What I would like is to swap the image of this movieclip everytime it's clicked. How would I go about doing this? Here's my code...
[Code]...
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Jun 15, 2010
Simple Question: Is it enough to add the Child to be replaced to another DisplayObjectContainer or must it be manually removed from the former one before?
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Jul 21, 2010
I am trying to use sIFR to replace the headlines (e.g. The Tour of A Lifetime) on this page: [URL] The font I want to swap in is Verlag by hoefler & frere jones. I had this working the other day but it suddenly stopped working: the font does not replace. All the js/css/flash files are linked correctly. I tested my verlag.swf and it works. And, I tested sIFR with a different font and the replacement worked. Am I having issues because I have yet to buy a Verlag license for the server?
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Nov 20, 2009
When I use the code in red once my cursor has replaced the mouse i can no longer click on my boxes. When i do not use the hide mouse code i can click the boxes just fine. What am I doing wrong?
[Code]...
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