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11/20/2002 at 08:53AM PST, ID: 20403363
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7.8

How to make the image 70% transparent

Asked by OP in Java Programming Language

Tags: transparent

hi all,
       would like to know how to make the .GIF(image only has black and white colur) 70% transparent for black and 100% transparent for white. heres my codes,

public int convertPixelToGray(int rgb)
{int grayShade4, grayShade5, grayShade6;
     int transparency=(rgb >> 24) & 0x50;
     int red  = (rgb >> 16) & 0x50;
     if (red <= 255)
     grayShade4 = 0;
          else
     grayShade4 = 77;
     int green = (rgb >> 8)  & 0x50;
     if (green <= 255)
     grayShade5 = 0;
          else
     grayShade5 = 77;
     int blue = rgb & 0x50;
     if (blue <= 255)
     grayShade6 = 0;
          else
     grayShade6 = 77;
return ( (transparency<< 24)|(grayShade4 << 16)|(grayShade5 << 8)|grayShade6);
}

dont know y, the image cant even be displayed. could anyone help me pls........
         
[+][-]11/20/02 01:55 PM, ID: 7475555

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About this solution

Zone: Java Programming Language
Tags: transparent
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Solution Provided By: objects
Participating Experts: 2
Solution Grade: A
 
 
[+][-]11/21/02 04:11 AM, ID: 7477821

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[+][-]11/21/02 03:41 PM, ID: 7480938

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[+][-]11/21/02 08:28 PM, ID: 7481873

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[+][-]11/21/02 08:33 PM, ID: 7481889

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[+][-]11/21/02 08:33 PM, ID: 7481890

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[+][-]11/22/02 05:47 AM, ID: 7483365

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[+][-]11/22/02 02:50 PM, ID: 7485777

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[+][-]11/23/02 08:23 AM, ID: 7487330

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[+][-]11/23/02 10:05 AM, ID: 7487571

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[+][-]11/24/02 04:44 PM, ID: 7491545

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[+][-]11/24/02 08:44 PM, ID: 7492147

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[+][-]11/25/02 08:49 AM, ID: 7494739

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[+][-]11/25/02 10:53 AM, ID: 7495246

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[+][-]11/25/02 11:15 AM, ID: 7495325

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[+][-]11/28/02 11:18 PM, ID: 7510782

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[+][-]11/28/02 11:19 PM, ID: 7510785

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[+][-]11/29/02 04:36 PM, ID: 7513180

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