diff options
Diffstat (limited to 'tk/doc/FindPhoto.3')
| -rw-r--r-- | tk/doc/FindPhoto.3 | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/tk/doc/FindPhoto.3 b/tk/doc/FindPhoto.3 index 8cd20f2c534..1d6b5468aad 100644 --- a/tk/doc/FindPhoto.3 +++ b/tk/doc/FindPhoto.3 @@ -119,7 +119,7 @@ typedef struct { int \fIheight\fR; int \fIpitch\fR; int \fIpixelSize\fR; - int \fIoffset[3]\fR; + int \fIoffset[4]\fR; } Tk_PhotoImageBlock; .CE The \fIpixelPtr\fR field points to the first pixel, that is, the @@ -130,10 +130,10 @@ difference between two horizontally adjacent pixels. Often it is 3 or 4, but it can have any value. The \fIpitch\fR field specifies the address difference between two vertically adjacent pixels. The \fIoffset\fR array contains the offsets from the address of a pixel -to the addresses of the bytes containing the red, green and blue -components. These are normally 0, 1 and 2, but can have other values, -e.g., for images that are stored as separate red, green and blue -planes. +to the addresses of the bytes containing the red, green, blue and alpha +(transparency) components. These are normally 0, 1, 2 and 3, but can +have other values, e.g., for images that are stored as separate red, +green and blue planes. .PP The value given for the \fIwidth\fR and \fIheight\fR parameters to \fBTk_PhotoPutBlock\fR do not have to correspond to the values specified @@ -200,3 +200,4 @@ based on his earlier photo widget code. .SH KEYWORDS photo, image + |