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seek for trailing signature and recognize v2 TGA files and hint that to ImageMagick

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Riccardo Mottola 2024-05-14 00:56:39 +02:00
parent ae6323b042
commit 656fe6e576
1 changed files with 12 additions and 1 deletions
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13
Source/GSImageMagickImageRep.m
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@ -2,9 +2,11 @@
<abstract>ImageMagick image representation.</abstract>
Copyright (C) 2011 Free Software Foundation, Inc.
Copyright (C) 2011-2024 Free Software Foundation, Inc.
Author: Eric Wasylishen <ewasylishen@gmail.com>
Riccardo Mottola
Date: June 2011
This file is part of the GNUstep Application Kit Library.
@ -130,6 +132,7 @@
ExceptionInfo *exception = AcquireExceptionInfo();
ImageInfo *imageinfo = CloneImageInfo(NULL);
Image *images, *image;
char signature[32];
// Set the background color to transparent
// (otherwise SVG's are rendered against a white background by default)
@ -139,6 +142,14 @@
QueryColorDatabase("none", &imageinfo->background_color, exception);
#endif
bzero(signature, 32);
[data getBytes:signature range:NSMakeRange([data length]-18, 18)];
if (strncmp(signature, "TRUEVISION-XFILE.", 17) == 0)
{
NSWarnLog(@"Targa file detected!, giving a magick hint...");
strcpy(imageinfo->magick, "TGA");
}
images = BlobToImage(imageinfo, [data bytes], [data length], exception);
if (exception->severity != UndefinedException)