介紹
函式名: setfillstyle
功 能: 設定填充模式和顏色
用 法: void far setfillstyle(int pattern, int color);
程式例:
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <conio.h>
/* the names of the fill styles supported */
char *fname[] = { "EMPTY_FILL",
"SOLID_FILL",
"LINE_FILL",
"LTSLASH_FILL",
"SLASH_FILL",
"BKSLASH_FILL",
"LTBKSLASH_FILL",
"HATCH_FILL",
"XHATCH_FILL",
"INTERLEAVE_FILL",
"WIDE_DOT_FILL",
"CLOSE_DOT_FILL",
"USER_FILL"
};
int main(void)
{
/* request auto detection */
int gdriver = DETECT, gmode, errorcode;
int style, midx, midy;
char stylestr[40];
/* initialize graphics and local variables */
initgraph(&gdriver, &gmode, "");
/* read result of initialization */
errorcode = graphresult();
if (errorcode != grOk) /* an error occurred */
{
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
exit(1); /* terminate with an error code */
}
midx = getmaxx() / 2;
midy = getmaxy() / 2;
for (style = EMPTY_FILL; style < USER_FILL; style++)
{
/* select the fill style */
setfillstyle(style, getmaxcolor());
/* convert style into a string */
strcpy(stylestr, fname[style]);
/* fill a bar */
bar3d(0, 0, midx-10, midy, 0, 0);
/* output a message */
outtextxy(midx, midy, stylestr);
/* wait for a key */
getch();
cleardevice();
}
/* clean up */
getch();
closegraph();
return 0;
}
顏色填充: 1)SOLID_FILL 單色實填充 2)LINE_FILL 用“-”填充 3)HATCH_FILL 用方格線填充 4)XHATCH_FILL 用斜方格填充 5)WIDE_DOT_FILL用稀疏點填充 6)CLOSE_DOT_FILL用密集點填充
|
填充模式的取值
常量符號
| 數值
| 含義
|
EMPTY_FILL
| 0
| 以背景顏色填充
|
SOLID_FILL
| 1
| 以實線填充
|
LINE_FILL
| 2
| 以直線填充
|
LTSLASH_FILL
| 3
| 以斜線填充(陰影線)
|
SLASH_FILL
| 4
| 以粗斜線填充(粗陰影線)
|
BKSLASH_FILL
| 5
| 以反粗斜線填充(粗陰影線)
|
LTBKSLASH_FILL
| 6
| 以反斜線填充(陰影線)
|
HATCH_FILL
| 7
| 以直方格線填充
|
XHATCH_FILL
| 8
| 以斜格線填充
|
INTTERLEAVE_FILL
| 9
| 以間隔點填充
|
WIDE_DOT_FILL
| 10
| 以稀疏點填充
|
CLOSE_DOS_FILL
| 11
| 以密集點填充
|
USER_FILL
| 12
| 以用戶定義式樣填充
|