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Report From: Delphi-BCB/VCL [ Add a report in this area ]

Report #: 67793

Status: Closed

No 256x256 Vista compressed icon support

Project: Delphi

Build #: 12.0.3170.16989

Version: 12.0

Submitted By: Charalampos Michael

Report Type: New Feature Request

Date Reported: 10/11/2008 1:23:40 PM

Severity: Commonly encountered problem

Last Updated: 3/20/2012 2:24:39 AM

Platform: 64 Bit

Internal Tracking #: 246088

Resolution: Fixed (Resolution Comments)

Resolved in Build: :

Duplicate of: None

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Overall Rating: No Ratings Yet

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Total Votes: 40

Description

Hello,
Delphi 2009 doesn't support vista compressed icon format for large view sizes (256x256).

I'm referring to the compiled application.
Please add support!

Thank you

Steps to Reproduce:

None

Workarounds

None

Attachment

PhotoAlbumIcon.zip

Comments

Markus Humm at 10/13/2008 3:58:54 AM -

Marked as "needs attention"

Charalampos Michael at 11/1/2008 8:56:51 PM -

Attached a sample of Vista Style Icon which support all the icon modes.

Eric Thorniley at 12/21/2008 3:50:49 PM -

I have been looking into the 256 icon issue and tried the file from here. Yes it will not load, but it is also not really an ideal icon file. It has only a 256 x 256 uncompressed bitmap. The SDK says

Your application should supply groups of icon images in the following sizes:

48x48, 256 color
32x32, 16 color
16x16 pixels, 16 color

You are allowed to have extras.

If I add this minimum set to the sample file, and resave it (making sure that the 256 x 256 image reamins uncompressed), everything compiles fine.

However, there is still a bug. The IDE corrupts the project .res file when you try to load a file which has only a 256 square image in it. Although it is argueable that the icon file is not quite right, the consequences are a bit dire.

There is another problem in the area. Vista supports PNG compressed 256 x 256 images and there is a problem with using them. See QC 68331

I would post the modified icon file, but I think QC will not allow that!

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