User`s manual

User’s Manual 61
Scrolls byte-aligned window left one pixel, right column is filled by current pixel type (color).
PARAMETERS
left is the upper left corner of bitmap, must be evenly divisible by 8.
top is the left top corner of the bitmap.
cols is the number of columns in the window, must be evenly divisible by 8.
rows is the number of rows in the window.
RETURN VALUE
None.
SEE ALSO
glHScroll, glRight1
Scrolls byte-aligned window right one pixel, left column is filled by current pixel type (color).
PARAMETERS
left is the upper left corner of bitmap, must be evenly divisible by 8.
top is the left top corner of the bitmap.
cols is the number of columns in the window, must be evenly divisible by 8.
rows is the number of rows in the window.
RETURN VALUE
None.
SEE ALSO
glHScroll, glLeft1
Scrolls byte-aligned window up one pixel, bottom column is filled by current pixel type (color).
PARAMETERS
left is the upper left corner of bitmap, must be evenly divisible by 8.
top is the left top corner of the bitmap.
cols is the number of columns in the window, must be evenly divisible by 8.
rows is the number of rows in the window.
RETURN VALUE
None.
SEE ALSO
glVScroll, glDown1
void glLeft1(int left, int top, int cols, int rows);
void glRight1(int left, int top, int cols, int rows);
void glUp1(int left, int top, int cols, int rows);