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cdk_draw(3) |
FreeBSD Library Functions Manual |
cdk_draw(3) |
cdk_draw - Cdk Drawing Functions
cc [ flag ... ] file ... -lcdk [ library ...
]
#include <cdk.h>
- void boxWindow (
-
WINDOW *window,
chtype attr);
- void attrbox (
-
WINDOW *win,
chtype tlc,
chtype trc,
chtype blc,
chtype brc,
chtype horz,
chtype vert,
chtype attr);
- void drawObjBox (
-
WINDOW *win,
CDKOBJS *object);
- void drawLine (
-
WINDOW *window,
int startx,
int starty,
int endx,
int endy,
chtype line);
- void drawShadow (
-
WINDOW *shadowWin);
- void writeBlanks (
-
WINDOW *window,
int xpos,
int ypos,
int align,
int start,
int end);
- void writeChar (
-
WINDOW *window,
int xpos,
int ypos,
char *string,
int align,
int start,
int end);
- void writeCharAttrib (
-
WINDOW *window,
int xpos,
int ypos,
char *string,
chtype attr,
int align,
int start,
int end);
- void writeChtype (
-
WINDOW *window,
int xpos,
int ypos,
chtype *string,
int align,
int start,
int end);
- void writeChtypeAttrib (
-
WINDOW *window,
int xpos,
int ypos,
chtype *string,
chtype attr,
int align,
int start,
int end);
These functions perform useful drawing and attribute operations.
- boxWindow
- draw a box with on the window win. Like attrbox, this
function ORs attr with each character as it draws the box.
- attrbox
- draw a box with on the window win letting the caller define each
element of the box.
- The parameters tlc, trc, blc, brc are used for
the top-left, top-right, bottom-left and bottom-right corners
respectively. The parameters horz and vert are used for the
horizontal and vertical sides of the box. Any of these parameters may be
zero. In that case, the function skips the corresponding element of the
box.
- The function ORs attr with each character as it draws the box.
- drawObjBox
- Draw a box around the given window win using the object's
defined line-drawing characters.
- drawLine
- draw a line on the given window.
- The parameters starty, startx are the starting coordinates.
The parameters endy, endx are the ending coordinates. The
function writes the data in line to each coordinate in that range
including the start/end coordinates.
- The function handles lines other than vertical or horizontal, but normally
it is used for that, e.g., with line set to ACS_HLINE or
ACS_VLINE.
- drawShadow
- draw a shadow on the right and bottom edges of a window.
- writeBlanks
- write a string of blanks, using writeChar. The parameters are
passed to writeChar as is. There is no corresponding
writeBlanksAttrib function.
- writeChar
- writes out a char * string without adding attributes. The
parameters are passed to writeCharAttrib as is.
- writeCharAttrib
- writes out a char * string with the given attributes added.
The string is written to the given window, using its relative
screen coordinates ypos and xpos.
- Compare with writeChtypeAttrib, which writes a
chtype * string.
- The function ORs the attribute attr with each item from the string.
For instance, it may be A_BOLD. The align parameter controls
whether it is written horizontally (HORIZONTAL) or vertically
(VERTICAL).
- Finally, only a subset of the string is written. The function starts with
the data from the start item of string, and ends before the
end item. If start is greater than, or equal to end,
no data is written.
- writeChtype
- writes out a chtype * string without adding attributes. The
parameters are passed to writeChtypeAttrib as is.
- writeChtypeAttrib
- writes out a chtype * string with the given attributes
added. The string is written to the given window, using its
relative screen coordinates ypos and xpos. You would
normally construct the string from a char * string using
char2Chtype (3).
- The function ORs the attribute attr with each item from the string.
For instance, it may be A_BOLD. The align parameter controls
whether it is written horizontally (HORIZONTAL) or vertically
(VERTICAL).
- Finally, only a subset of the string is written. The function starts with
the data from the start item of string, and ends before the
end item. If start is greater than, or equal to end,
no data is written.
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