Sven Neumann wrote: > Hi, > > On Fri, 2008-10-17 at 21:26 -0500, Eric P wrote: >> Check out this png. I'm not sure if it is editable in the GIMP. >> http://i34.tinypic.com/rtzshs.png >> >> First of all it's an indexed image. You'll see two white arrows on the >> right hand side. Switch the mode to RGB and >> you'll see two new alpha transparent arrows appear on the left hand side (!?) >> >> Checking the header of the image I see Adobe Fireworks in there. Any ideas >> what this anomaly of a png is? > > rtzshs.png... > Image Width: 20 Image Length: 110 > Bitdepth (Bits/Sample): 2 > Channels (Samples/Pixel): 1 > Pixel depth (Pixel Depth): 2 > Colour Type (Photometric Interpretation): > PALETTED COLOUR with alpha (3 colours, 3 transparent) > Image filter: Single row per byte filter > Interlacing: No interlacing > Compression Scheme: Deflate method 8, 32k window > Resolution: 2834, 2834 (pixels per meter) > FillOrder: msb-to-lsb > Byte Order: Network (Big Endian) > Number of text strings: 1 of 9 > Software (xTXt deflate compressed): Adobe Fireworks CS3 > Offsets: 0, 0 > > This image uses an indexed palette with transparency information. This > is not fully supported in GIMP. The PNG loader seems to handle it > nicely, but the GIMP image display has some special code that thresholds > the alpha channel for images in indexed mode. This is because the code > was written for GIF images. The projection in indexed mode simulates the > alpha capabilities of the GIF format, where a pixel is either fully > transparent or opaque. > > > Sven > Thanks for the reply.
Eric P. _______________________________________________ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
