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https://github.com/isometimes/rpi4-osdev
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36 lines
982 B
C
36 lines
982 B
C
#include "../include/wgt.h"
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void wsetcolor (unsigned int col)
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{
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currentcolor = col;
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}
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void wsetrgb (unsigned char num, unsigned char red, unsigned char green, unsigned char blue, color *pal)
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{
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if (red > 255) red = 255; /* Check for maximum values */
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if (green > 255) green = 255;
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if (blue > 255) blue = 255;
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pal += num; /* Adjust pointer to proper index */
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pal->r = red; /* Set values for RGB */
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pal->g = green;
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pal->b = blue;
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}
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void wsetpalette (unsigned char start, unsigned char finish, color *pal)
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{
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for (int i = start; i <= finish; i++)
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{
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vgapal[i] = (i << 24) + rgb(pal[i].r, pal[i].g, pal[i].b);
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}
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}
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void wreadpalette (unsigned char start, unsigned char finish, color *palc)
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{
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for (int i = start; i <= finish; i++)
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{
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palc[i].r = (vgapal[i] >> 16) & 0xFF;
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palc[i].g = (vgapal[i] >> 8) & 0xFF;
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palc[i].b = vgapal[i] & 0xFF;
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}
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}
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