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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-07-21 23:55:11 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-07-21 23:55:11 +0000 |
| commit | f501b8d7c5e02da4ad56b85aa06403e078814b94 (patch) | |
| tree | 47cb99ea247379d032352db65808453a67550f6c /apps | |
| parent | b913d7a8207713d18c555c388e24854f141206ed (diff) | |
| download | nuttx-f501b8d7c5e02da4ad56b85aa06403e078814b94.tar.gz nuttx-f501b8d7c5e02da4ad56b85aa06403e078814b94.tar.bz2 nuttx-f501b8d7c5e02da4ad56b85aa06403e078814b94.zip | |
Documentation Updates
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3810 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/examples/nximage/nximage_bitmap.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/apps/examples/nximage/nximage_bitmap.c b/apps/examples/nximage/nximage_bitmap.c index 17bfd4c8e..f672ce3fe 100644 --- a/apps/examples/nximage/nximage_bitmap.c +++ b/apps/examples/nximage/nximage_bitmap.c @@ -144,11 +144,18 @@ static const nxgl_mxpixel_t g_lut[IMAGE_NLUTCODES] = 0x53fc /* Codes 140-140 */ }; -/* RGB8 (332) Colors */ +/* 8-bit color lookups. NOTE: This is really dumb! The lookup index is 8-bits and it used + * to lookup an 8-bit value. There is no savings in that! It would be better to just put + * the 8-bit color/greyscale value in the run-length encoded image and save the cost of these + * pointless lookups. But these p;ointless lookups do make the logic compatible with the + * 16- and 24-bit types. + */ #elif CONFIG_EXAMPLES_NXIMAGE_BPP == 8 # ifdef CONFIG_EXAMPLES_NXIMAGE_GREYSCALE +/* 8-bit Greyscale */ + static const uint8_t g_lut[IMAGE_NLUTCODES] = { 0x00, 0x19, 0x8b, 0x46, 0x4a, 0x0b, 0x8d, 0x41, 0x44, 0x27, 0x32, 0x92, 0x59, 0x34, 0x6d, 0xdb, /* Codes 0-15 */ @@ -163,6 +170,8 @@ static const uint8_t g_lut[IMAGE_NLUTCODES] = # else /* CONFIG_EXAMPLES_NXIMAGE_GREYSCALE */ +/* RGB8 (332) Colors */ + static const nxgl_mxpixel_t g_lut[IMAGE_NLUTCODES] = { 0x00, 0x25, 0x77, 0x4b, 0x01, 0x47, 0x26, 0x4a, 0x4f, 0x72, 0xdf, 0x93, 0xff, 0x27, 0xbb, 0xdb, /* Codes 0-15 */ |