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Fix the update areas for incremental loading of compressed tgas. (#171883,

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2005-03-29  Matthias Clasen  <mclasen@redhat.com>

	* io-tga.c (parse_rle_data): Fix the update areas for incremental
	loading of compressed tgas.  (#171883, David Costanzo)
This commit is contained in:
Matthias Clasen
2005-03-29 05:21:26 +00:00
committed by Matthias Clasen
parent 8e5713f3e0
commit 2aa05e973e
2 changed files with 11 additions and 9 deletions
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5
gdk-pixbuf/ChangeLog
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@ -1,3 +1,8 @@
2005-03-29 Matthias Clasen <mclasen@redhat.com>
* io-tga.c (parse_rle_data): Fix the update areas for incremental
loading of compressed tgas. (#171883, David Costanzo)
2005-03-27 Matthias Clasen <mclasen@redhat.com>
* io-bmp.c (DoCompressed): Use the correct update regions for

15
gdk-pixbuf/io-tga.c
View File

@ -23,11 +23,6 @@
/*
* Some NOTES about the TGA loader (2001/06/07, nikke@swlibero.org)
*
* - The module doesn't currently provide support for TGA images where the
* order of the pixels isn't left-to-right and top-to-bottom. I plan to
* add support for those files as soon as I get one of them. I haven't
* run into one yet. (And I don't seem to be able to create it with GIMP.)
*
* - The TGAFooter isn't present in all TGA files. In fact, there's an older
* format specification, still in use, which doesn't cover the TGAFooter.
* Actually, most TGA files I have are of the older type. Anyway I put the
@ -635,6 +630,7 @@ static guint parse_rle_data_grayscale(TGAContext *ctx)
static gboolean parse_rle_data(TGAContext *ctx, GError **err)
{
guint rows = 0;
guint count = 0;
guint pbuf_count = 0;
guint bytes_done_before = ctx->pbuf_bytes_done;
@ -667,14 +663,15 @@ static gboolean parse_rle_data(TGAContext *ctx, GError **err)
*/
if (!(ctx->hdr->flags & TGA_ORIGIN_UPPER))
pixbuf_flip_vertically (ctx->pbuf);
}
rows = ctx->pbuf_bytes_done / ctx->pbuf->rowstride - bytes_done_before / ctx->pbuf->rowstride;
if (ctx->ufunc)
(*ctx->ufunc) (ctx->pbuf, 0, ctx->pbuf_bytes_done / ctx->pbuf->rowstride,
ctx->pbuf->width, pbuf_count / ctx->pbuf->rowstride,
(*ctx->ufunc) (ctx->pbuf, 0, bytes_done_before / ctx->pbuf->rowstride,
ctx->pbuf->width, rows,
ctx->udata);
return TRUE;
}