libgd
/
libgd
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix: -Wunused-function (keep code for now, but don't build)

master
Remi Collet 2013-04-21 19:12:05 +02:00
parent f643d8ee6b
commit f50c24e467
1 changed files with 16 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/gd_interpolation.c
View File

@ -360,6 +360,7 @@ static double filter_generalized_cubic(const double t)
return 0;
}
#ifdef FUNCTION_NOT_USED_YET
/* CubicSpline filter, default radius 2 */
static double filter_cubic_spline(const double x1)
{
@ -375,7 +376,9 @@ static double filter_cubic_spline(const double x1)
}
return 0;
}
#endif
#ifdef FUNCTION_NOT_USED_YET
/* CubicConvolution filter, default radius 3 */
static double filter_cubic_convolution(const double x1)
{
@ -388,6 +391,7 @@ static double filter_cubic_convolution(const double x1)
if (x <= 3.0) return ( (1.0/12.0) * x2_x - (2.0 / 3.0) * x2 + 1.75 * x - 1.5);
return 0;
}
#endif
static double filter_box(double x) {
if (x < - DEFAULT_FILTER_BOX)
@ -412,6 +416,7 @@ static double filter_catmullrom(const double x)
return(0.0f);
}
#ifdef FUNCTION_NOT_USED_YET
static double filter_filter(double t)
{
/* f(t) = 2|t|^3 - 3|t|^2 + 1, -1 <= t <= 1 */
@ -419,8 +424,9 @@ static double filter_filter(double t)
if(t < 1.0) return((2.0 * t - 3.0) * t * t + 1.0);
return(0.0);
}
#endif
#ifdef FUNCTION_NOT_USED_YET
/* Lanczos8 filter, default radius 8 */
static double filter_lanczos8(const double x1)
{
@ -435,8 +441,9 @@ static double filter_lanczos8(const double x1)
return 0.0;
#undef R
}
#endif
#ifdef FUNCTION_NOT_USED_YET
/* Lanczos3 filter, default radius 3 */
static double filter_lanczos3(const double x1)
{
@ -452,6 +459,7 @@ static double filter_lanczos3(const double x1)
return 0.0;
#undef R
}
#endif
/* Hermite filter, default radius 1 */
static double filter_hermite(const double x1)
@ -509,6 +517,7 @@ static double filter_mitchell(const double x)
#ifdef FUNCTION_NOT_USED_YET
/* Cosine filter, default radius 1 */
static double filter_cosine(const double x)
{
@ -516,6 +525,7 @@ static double filter_cosine(const double x)
return 0;
}
#endif
/* Quadratic filter, default radius 1.5 */
static double filter_quadratic(const double x1)
@ -547,6 +557,7 @@ static double filter_bspline(const double x)
}
}
#ifdef FUNCTION_NOT_USED_YET
/* QuadraticBSpline filter, default radius 1.5 */
static double filter_quadratic_bspline(const double x1)
{
@ -556,6 +567,7 @@ static double filter_quadratic_bspline(const double x1)
if (x <= 1.5) return (0.5 * x * x - 1.5 * x + 1.125);
return 0.0;
}
#endif
static double filter_gaussian(const double x)
{
@ -597,6 +609,7 @@ static double filter_sinc(const double x)
return (sin(M_PI * (double) x) / (M_PI * (double) x));
}
#ifdef FUNCTION_NOT_USED_YET
static double filter_welsh(const double x)
{
/* Welsh parabolic windowing filter */
@ -604,7 +617,7 @@ static double filter_welsh(const double x)
return(1 - x*x);
return(0.0);
}
#endif
/* Copied from upstream's libgd */
static inline int _color_blend (const int dst, const int src)