473,503 Members | 6,587 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

How to Get or set the alpha value use the Bitmapdata class

thanks
Feb 14 '07 #1
0 875

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

7
3232
by: Federico G. Babelis | last post by:
Hi All: I have this line of code, but the syntax check in VB.NET 2003 and also in VB.NET 2005 Beta 2 shows as unknown: Dim local4 As Byte Fixed(local4 = AddressOf dest(offset)) ...
3
17346
by: instruo | last post by:
I'm using the System.Drawing.Bitmap class for loading a 32-bit bmp file which includes an alpha channel. The problem is, when it gets loaded (just using the Bitmap(string filename) constructor),...
7
3582
by: TomHL | last post by:
hello, - I have a Bitmap Object named: bmp1 - I already have the numerical values of:red,blue and green colors + I have the X and Y cordinates. How do I set the pixel value via safe code on...
7
1912
by: ljlevend | last post by:
I want to clear all of the byes that are associated with a BitmapData object. I know that one technique would be to do the following: '... Dim bitmapData As Drawing.Imaging.BitmapData =...
6
3643
by: tommaso.gastaldi | last post by:
In a previous post I have been asking about a way to test Alpha Transparency. Bob and Michael have kindly provided some ideas. Here I would like to share the function I have prepared, for the...
3
2222
by: pamelafluente | last post by:
I am trying to convert in C# a VB.NET routine (which probably came from C# ! ) I need to translate using pointers (this should get the Alpha byte in a 32bppPArgb bitmap): Function...
4
2438
by: =?Utf-8?B?U2hhcm9u?= | last post by:
I have an RGB color held in a Int32 variable. I using an unsafe code to loop through Bitmap data, and by using the BitmapData.Scan0 pointer I need to copy the Int32 color value into the Bitmap...
8
18170
by: .Net Sports | last post by:
I am checking for text input on a form validation in javascript that required at least one numeric character along with any number of alpha characters for a given input text box. The below is a var...
0
1647
by: atlkhan | last post by:
Hi I am loading bitmapdata from the library like this linkageId = "landscape"; myBitmapData = BitmapData.loadBitmap(linkageId); Than attach this bitmap image to a movie. mc =...
0
1764
by: deluxmilkman | last post by:
bitmap with alpha hi, I have a dynamically attached bitmap (black and white), and trying to remove the black area from the bitmap. also trying to change the bounding box of the mc according...
0
7067
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
0
7264
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...
0
7316
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
1
6975
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
1
4992
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new...
0
3160
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The...
0
3148
by: adsilva | last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
0
1495
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated ...
1
728
muto222
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.