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  • Reset TextBox.Background to default in WPF so it still gets updated when system settings change

    - by Neo
    I have a TextBox that I wish to reset its Background property to its default value after changing it to a different colour. I have tried setting it to SystemColors.WindowBrush, but then, if the Display Settings are updated to change this value, it doesn't get dynamically reflected in the TextBox (it does normally if TextBox.Background hasn't been touched). Any idea how to do this?

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  • Editable grid with colorpallet

    - by diya
    I am using extjs 3.0. I am using Ext.grid.GridPanel..I want to make one column of this grid as editable column such that i want to create colorpallet in each row of this perticular column. How can i do this?

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  • CIE XYZ colorspace: do I have RGBA or XYZA?

    - by Tronic
    I plan to write a painting program based on linear combinations of xy plane points (0,1), (1,0) and (0,0). Such system works identically to RGB, except that the primaries are not within the gamut but at the corners of a triangle that encloses the entire gamut. I have seen the three points being referred to as X, Y and Z (upper case) somewhere, but I cannot find the page anymore (I marked them to the picture myself). My pixel format stores the intensity of each of those three components the same way as RGB does, together with alpha value. This allows using pretty much any image manipulation operation designed for RGBA without modifying the code. What is my format called? Is it XYZA, RGBA or something else? Google doesn't seem to know of XYZA. RGBA will get confused with sRGB + alpha (which I also need to use in the same program). Notice that the primaries X, Y and Z and their intensities have little to do with the x, y and z coordinates (lower case) that are more commonly used.

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  • How do I draw a filled circle onto a graphics object in a hexadecimal colour?

    - by George Powell
    I need to draw a circle onto a bitmap in a specific colour given in Hex. The "Brushes" class only gives specific colours with names. Bitmap bitmap = new Bitmap(20, 20); Graphics g = Graphics.FromImage(bitmap); g.FillEllipse(Brushes.AliceBlue, 0, 0, 19, 19); //The input parameter is not a Hex //g.FillEllipse(new Brush("#ff00ffff"), 0, 0, 19, 19); <<This is the kind of think I need. Is there a way of doing this? The exact problem: I am generating KML (for Google earth) and I am generating lots of lines with different Hex colours. The colours are generated mathematically and I need to keep it that way so I can make as many colours as I want. I need to generate a PNG icon for each of the lines that is the same colour exactly.

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  • matrix image processing in OpenGL CE

    - by iHorse
    im trying to create an image filter in OpenGL CE. currently I am trying to create a series of 4x4 matrices and multiply them together. then use glColorMask and glColor4f to adjust the image accordingly. I've been able to integrate hue rotation, saturation, and brightness. but i am having trouble adding contrast. thus far google hasn't been to helpful. I've found a few matrices but they don't seem to work. do you guys have any ideas?

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  • Photoshop and Saving Quality

    - by ITg
    I'm making a simple image for the web which is a gradient with some text on in Photoshop CS4. The text doesn't seem to be of a great quality. If you look at the logo of stackoverflow you can see that its pretty accurate. Mine don't seem to render properly round the edges. Anyone know how to get the best quality? Photoshop CS4. Thanks.

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  • how to add a color to a line in sharepoint 2007 list that has a specific text ?

    - by gadym
    hello there, I would like to know how to add a color to a line in sharepoint 2007 list if in one field there is a specific text contained ? for example : I have a list that have three fields: list1 1.id 2.name 3.full description now i want to show only the first and the second field to the user. list1 id name 1 abc 2 edv second thing, i want to give a color (let say red) to a row that contains in the hidden field - "full description", a text with the word for example 'color'. I found a javascript code that i can add to the aspx page : (document).ready(function(){ $Text = $("td .ms-vb2:contains('color')"); $Text.parent().css("background-color", "red"); }); but it's only works if the the "full description" is shown. can someone give me an idea ? thanks, gadym

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  • detect the most used colour in an image using python

    - by sree01
    Hi, I want to find the most used colour in an image using python. for example detect the colour of the object in the following image http://www.shopcrazy.com.ph/wp-content/images/2007/02/shiny-bags-01.jpg. how to detect the base colour from the RGB codes(example - red in the above image).

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  • How do I stop Chrome from yellowing my site's input boxes?

    - by davebug
    Among other text and visual aids on a form submission, post-validation, I'm coloring my input boxes red to signify the interactive area needing attention. On Chrome (and for Google Toolbar users) the auto-fill feature re-colors my input forms yellow. Here's the complex issue: I want auto-complete allowed on my forms, as it speeds users logging in. I am going to check into the ability to turn the autocomplete attribute to off if/when there's an error triggered, but it is a complex bit of coding to programmatically turn off the auto-complete for the single effected input on a page. This, to put it simply, would be a major headache. So to try to avoid that issue, is there any simpler method of stopping Chrome from re-coloring the input boxes? [edit] I tried the !important suggestion below and it had no effect. I have not yet checked Google Toolbar to see if the !important attribute woudl work for that. As far as I can tell, there isn't any means other than using the autocomplete attribute (which does appear to work).

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  • Converting RGB values to CMYK

    - by llk
    Hi all, I have RGB values that I need to convert into CMYK values. I'm using the iPhone SDK to try and do this. I have tried a couple of things, but cannot either get the values to be anything other than 0 or 1, or the K element is completely wrong (showing up as a negative number). Any help would be a life saver! Thanks in advance!

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