Digital differential analyzer (graphics algorithm): Difference between revisions

Revision as of 08:29, 8 July 2008

Revision as of 08:32, 8 July 2008

Line 33:

{

float x = xa;

float mmx = (xb - xa) / (yb - ya);

float mc [3];

int y, color [3];

mc[0] = (colorb[0] - colora[0]) / (colorb[0] - colora[0]);

mc[1] = (colorb[1] - colora[1]) / (colorb[1] - colora[1]);

mc[2] = (colorb[2] - colora[2]) / (colorb[2] - colora[2]);

for (y=ya; y<=ys; y++) {

output(round(x), y, color);

x = x + mmx;

color[0] += mmc[0]; /* Red component */

color[1] += mmc[2]; /* Green component */

color[2] += mmc[1]; /* Blue component */

}

}

</code>

==Integer Implementation with seperated Fractional Part==