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Merge branch 'fix-issue-466' of https://github.com/rygorous/stb into dev

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Fabian Giesen 2017-07-22 19:42:52 -07:00
commit fedf03e774
1 changed files with 11 additions and 10 deletions
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21
stb_image.h
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@ -135,11 +135,12 @@ RECENT REVISION HISTORY:
// with each pixel consisting of N interleaved 8-bit components; the first // with each pixel consisting of N interleaved 8-bit components; the first
// pixel pointed to is top-left-most in the image. There is no padding between // pixel pointed to is top-left-most in the image. There is no padding between
// image scanlines or between pixels, regardless of format. The number of // image scanlines or between pixels, regardless of format. The number of
// components N is 'req_comp' if req_comp is non-zero, or *comp otherwise. // components N is 'desired_channels' if desired_channels is non-zero, or
// If req_comp is non-zero, *comp has the number of components that _would_ // *channels_in_file otherwise. If desired_channels is non-zero,
// have been output otherwise. E.g. if you set req_comp to 4, you will always // *channels_in_file has the number of components that _would_ have been
// get RGBA output, but you can check *comp to see if it's trivially opaque // output otherwise. E.g. if you set desired_channels to 4, you will always
// because e.g. there were only 3 channels in the source image. // get RGBA output, but you can check *channels_in_file to see if it's trivially
// opaque because e.g. there were only 3 channels in the source image.
// //
// An output image with N components has the following components interleaved // An output image with N components has the following components interleaved
// in this order in each pixel: // in this order in each pixel:
@ -151,10 +152,10 @@ RECENT REVISION HISTORY:
// 4 red, green, blue, alpha // 4 red, green, blue, alpha
// //
// If image loading fails for any reason, the return value will be NULL, // If image loading fails for any reason, the return value will be NULL,
// and *x, *y, *comp will be unchanged. The function stbi_failure_reason() // and *x, *y, *channels_in_file will be unchanged. The function
// can be queried for an extremely brief, end-user unfriendly explanation // stbi_failure_reason() can be queried for an extremely brief, end-user
// of why the load failed. Define STBI_NO_FAILURE_STRINGS to avoid // unfriendly explanation of why the load failed. Define STBI_NO_FAILURE_STRINGS
// compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly // to avoid compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly
// more user-friendly ones. // more user-friendly ones.
// //
// Paletted PNG, BMP, GIF, and PIC images are automatically depalettized. // Paletted PNG, BMP, GIF, and PIC images are automatically depalettized.
@ -311,7 +312,7 @@ RECENT REVISION HISTORY:
enum enum
{ {
STBI_default = 0, // only used for req_comp STBI_default = 0, // only used for desired_channels
STBI_grey = 1, STBI_grey = 1,
STBI_grey_alpha = 2, STBI_grey_alpha = 2,