X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fbezier.h;h=b04126027152c9b6c7b12ff2c0c8ef55e4e667fb;hp=0d3be544ffb80306fb8cc164f651656f58bef794;hb=ea748154f1bc7dbc81cb52611a52865e63109439;hpb=ae6af9f5e166d675a7139ec6dffee4ccab4347bc diff --git a/src/bezier.h b/src/bezier.h index 0d3be54..b041260 100644 --- a/src/bezier.h +++ b/src/bezier.h @@ -28,8 +28,8 @@ namespace IPDF typedef enum {UNKNOWN, LINE, QUADRATIC, CUSP, LOOP, SERPENTINE} Type; Type type; - Bezier() = default; // Needed so we can fread/fwrite this struct... for now. - Bezier(Real _x0, Real _y0, Real _x1, Real _y1, Real _x2, Real _y2, Real _x3, Real _y3) : x0(_x0), y0(_y0), x1(_x1), y1(_y1), x2(_x2), y2(_y2), x3(_x3), y3(_y3), type(UNKNOWN) + //Bezier() = default; // Needed so we can fread/fwrite this struct... for now. + Bezier(Real _x0=0, Real _y0=0, Real _x1=0, Real _y1=0, Real _x2=0, Real _y2=0, Real _x3=0, Real _y3=0) : x0(_x0), y0(_y0), x1(_x1), y1(_y1), x2(_x2), y2(_y2), x3(_x3), y3(_y3), type(UNKNOWN) { } @@ -40,20 +40,20 @@ namespace IPDF return type; // From Loop-Blinn 2005, with w0 == w1 == w2 == w3 = 1 // Transformed control points: (a0 = x0, b0 = y0) - Real a1 = (x1-x0)*3; - Real a2 = (x0- x1*2 +x2)*3; - Real a3 = (x3 - x0 + (x1 - x2)*3); + Real a1 = (x1-x0)*Real(3); + Real a2 = (x0- x1*Real(2) +x2)*Real(3); + Real a3 = (x3 - x0 + (x1 - x2)*Real(3)); - Real b1 = (y1-y0)*3; - Real b2 = (y0- y1*2 +y2)*3; - Real b3 = (y3 - y0 + (y1 - y2)*3); + Real b1 = (y1-y0)*Real(3); + Real b2 = (y0- y1*Real(2) +y2)*Real(3); + Real b3 = (y3 - y0 + (y1 - y2)*Real(3)); // d vector (d0 = 0 since all w = 1) Real d1 = a2*b3 - a3*b2; Real d2 = a3*b1 - a1*b3; Real d3 = a1*b2 - a2*b1; - if (Abs(d1+d2+d3) < 1e-6) + if (Abs(d1+d2+d3) < Real(1e-6)) { type = LINE; //Debug("LINE %s", Str().c_str()); @@ -63,7 +63,7 @@ namespace IPDF Real delta1 = -(d1*d1); Real delta2 = d1*d2; Real delta3 = d1*d3 -(d2*d2); - if (Abs(delta1+delta2+delta3) < 1e-6) + if (Abs(delta1+delta2+delta3) < Real(1e-6)) { type = QUADRATIC; @@ -71,13 +71,13 @@ namespace IPDF return type; } - Real discriminant = d1*d3*4 -d2*d2; - if (Abs(discriminant) < 1e-6) + Real discriminant = d1*d3*Real(4) -d2*d2; + if (Abs(discriminant) < Real(1e-6)) { type = CUSP; //Debug("CUSP %s", Str().c_str()); } - else if (discriminant > 0) + else if (discriminant > Real(0)) { type = SERPENTINE; //Debug("SERPENTINE %s", Str().c_str()); @@ -146,7 +146,7 @@ namespace IPDF // (So can't just use the Copy constructor on the inverse of bounds) // Rect inverse = {-bounds.x/bounds.w, -bounds.y/bounds.h, Real(1)/bounds.w, Real(1)/bounds.h}; Bezier result; - if (bounds.w == 0) + if (bounds.w == Real(0)) { result.x0 = 0; result.x1 = 0; @@ -161,7 +161,7 @@ namespace IPDF result.x3 = (x3 - bounds.x)/bounds.w; } - if (bounds.h == 0) + if (bounds.h == Real(0)) { result.y0 = 0; result.y1 = 0;