42 lines
809 B
C
42 lines
809 B
C
#include <lib/stdio.h>
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#include <lib/display.h>
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#include <stdarg.h>
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void dprint(int x, int y, char const *str, ...)
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{
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char buffer[512];
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int default_pos_x;
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int starting_x;
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va_list ap;
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int i;
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// printf string manipulation.
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// TODO: remove me !
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va_start(ap, str);
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vsprintf(buffer, str, ap);
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va_end(ap);
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i = -1;
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starting_x = x;
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x = x * (KERNEL_FONT_REAL_WIDTH + 1);
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y = y * (KERNEL_FONT_REAL_HEIGHT + 1);
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default_pos_x = x;
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while (buffer[++i] != '\0')
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{
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if (buffer[i] == '\n')
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{
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y = y + KERNEL_FONT_REAL_HEIGHT + 1;
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x = default_pos_x;
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continue;
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}
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if (buffer[i] == '\t')
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{
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x = x / (KERNEL_FONT_REAL_WIDTH + 1);
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x = (x + (4 - ((x - starting_x) & 3))) * (KERNEL_FONT_REAL_WIDTH + 1);
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continue;
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}
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dascii(x, y, buffer[i]);
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x = x + KERNEL_FONT_REAL_WIDTH + 1;
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}
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}
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