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https://github.com/isometimes/rpi4-osdev
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51 lines
1 KiB
C
51 lines
1 KiB
C
#include "wgt.h"
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void wrectangle (short x, short y, short x2, short y2)
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{
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wline (x, y, x2, y);
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wline (x2, y2, x, y2);
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wline (x, y, x, y2);
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wline (x2, y, x2, y2);
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}
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void wbar (short x, short y, short x2, short y2)
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{
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short ctr,len;
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unsigned int *temp;
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if (y2 < y)
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{
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/* swap y's */
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ctr = y;
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y = y2;
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y2 = ctr;
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}
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if (x2 < x)
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{
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ctr = x;
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x = x2;
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x2 = ctr;
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}
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if ((y <= by) & (y2 >= ty) & (x <= bx) & (x2 >= tx))
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/* If anything is within clipping */
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{
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if (y2 > by) y2 = by; /* Clip bar */
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if (x2 > bx) x2 = bx;
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if (y < ty) y = ty;
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if (x < tx) x = tx;
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len = x2 - x + 1; /* Find number of pixels to set */
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if (len > 0)
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{
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temp = &abuf[y*WGT_SYS.xres + x];
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for (ctr = y; ctr <= y2; ctr++)
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{
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memset (temp, currentcolor, len);
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/* Draw a horizontal line */
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temp += WGT_SYS.xres; /* Go to next row */
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}
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}
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}
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}
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