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Grayscale library: LCD linearisation and gamma correction.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10402 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2006-08-02 00:22:01 +00:00
parent 8cc73f152b
commit 628d20a610
11 changed files with 251 additions and 48 deletions
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2
apps/plugins/jpeg.c
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@ -2771,7 +2771,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
#ifdef USEGSLIB
/* initialize the grayscale buffer: 32 bitplanes for 33 shades of gray. */
grayscales = gray_init(rb, buf, buf_size, false, LCD_WIDTH, LCD_HEIGHT/8,
32, &graysize) + 1;
32, 2<<8, &graysize) + 1;
buf += graysize;
buf_size -= graysize;
if (grayscales < 33 || buf_size <= 0)