Lines Matching refs:radius
22 static int radius;
34 radius = rad;
40 // x is of the form [-radius .. 0 .. radius]
41 // and sigma varies with radius.
42 // Based on some experimental radius values and sigma's
43 // we approximately fit sigma = f(radius) as
44 // sigma = radius * 0.4 + 0.6
45 // The larger the radius gets, the more our gaussian blur
48 float sigma = 0.4f * (float)radius + 0.6f;
59 for (int r = -radius; r <= radius; r ++) {
61 gaussian[r + radius] = coeff1 * pow(e, floatR * floatR * coeff2);
62 normalizeFactor += gaussian[r + radius];
67 for (int r = -radius; r <= radius; r ++) {
69 gaussian[r + radius] *= normalizeFactor;
81 if ((y > radius) && (y < (height - radius))) {
82 for (int r = -radius; r <= radius; r ++) {
87 for (int r = -radius; r <= radius; r ++) {
102 if ((x > radius) && (x < (width - radius))) {
103 for (int r = -radius; r <= radius; r ++) {
108 for (int r = -radius; r <= radius; r ++) {