| Thread | Last Post | Replies |
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| Displaying a palette | 01 Jul 2007 00:27 GMT | 2 |
Getting a palette from the clipboard I'd like to display it. Is there code available that does this? I've been Googling without success. thanks
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| resizing image defect - strange border appears | 28 Jun 2007 12:21 GMT | 1 |
Hi. I am implementing a code that takes an image of arbitrary size, then crops it to proprotion and resizes the result to some set thumbnail size. The problem is, when the image is resized there's a visible darker
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| are (*.JPG; *.JPEG; *.JPE) the same exact file types | 28 Jun 2007 00:47 GMT | 2 |
What does it mean when a program's SaveAs file save dialog box contains JPEG(*.JPG; *.JPEG; *.JPE) Are they all names for the exact same thing? For example, Photoshop lets you select the above but you never get a chance
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| How to create a thumbnail without reading the whole jpeg file | 27 Jun 2007 19:48 GMT | 2 |
Is there a way to read a jpeg partially to construct a smaller sized image? For example if I have a 1000x1000pixel jpeg, i want to read only every tenth pixel to create a 100x100 preview thumbnail. Is this possible?
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| Using Image.FromFile, I need img's resolution to agree with the file's | 27 Jun 2007 01:15 GMT | 10 |
I run: Dim img As Image = Image.FromFile(mFullPath) img has a resolution of 96 but mFullPath (a JPEG) has a resolution of 72 (used Photoshop to find the file's resolution)
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| Encoder Parameters questions | 26 Jun 2007 13:25 GMT | 2 |
In Photoshop one can save a jpg file after specifying: "Quality" and a Format Option("Baseline Standard", "Baseline Optimized" or "Progressive") At his site Bob Powell shows how to specify jpg "Quality" in DotNET. 1) Is it possible to specify "Format Options" for a jpg file?
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| How to create a bitmap with the same resolution and size as the Image object | 23 Jun 2007 02:53 GMT | 1 |
What I want is to create a bitmap with the same resolution and size as the Image object. I tried: Dim bm As Bitmap = New Bitmap(img.Width, img.Height,
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| luminance value for Red, Green and Blue | 22 Jun 2007 18:24 GMT | 2 |
Bob Powell's site says: The effective luminance value for red is 0.3086. Green has an effective luminance of 0.6094 and the value for blue is 0.082 I've seen the values: 0.299, 0.587, 0.114
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| Reading animated GIF files | 22 Jun 2007 18:22 GMT | 8 |
Bob Powell's site advises that one can not create animated GIF files using GDI+ image encoders. What about reading them into Bitmaps. Is that possible? Practical?
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| are *.JPG; *.JPEG; *.JPE names for the same thing | 22 Jun 2007 09:39 GMT | 1 |
What does it mean when a program's SaveAs file save dialog contains JPEG(*.JPG; *.JPEG; *.JPE) Are they all names for the exact same thing? Thanks
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| Low Quality text in System.Drawing | 20 Jun 2007 19:53 GMT | 2 |
I'm working in a image generator, using C# with ASP.NET 2.0. I'm generate some imagens in disk , in my machine everything works , but when i put the application in a server prodution , the text don't have the same highquality.
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| PrintDocument output enlargement problem | 20 Jun 2007 06:32 GMT | 2 |
I am rendering a reporting service report and using the PrintDocument class to print the resulting byte array. I set the defaultpagesettings to the printer defaultpagesettings (this is all done in asn asp.net application). When printing on our development SBS server this prints ...
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| how to drawimage with rotation | 20 Jun 2007 01:28 GMT | 2 |
Say we have a bitmap 100x100 and a Graphics object go containing a rotation of 45 degrees and the appropriate translation If we want the picture to be unchanged but rotated
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| Deallocating memory of a Bitmap created with a pointer to image bits | 18 Jun 2007 12:43 GMT | 6 |
As described in the article KB814675 http://support.microsoft.com/?scid=kb%3Ben-us%3B814675&x=9&y=17 "When a Bitmap object is created with a pointer to image bits, the new object may or may not use the memory at that address as backing for
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| User Control with transparent background flicker problem. | 18 Jun 2007 01:58 GMT | 6 |
I'm trying to create a custom control with a transparent background. I am using Bob Powell's excellent example Creating transparent Windows Forms controls. http://www.bobpowell.net/transcontrols.htm
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