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fixed bunch of VS2010 warnings/errors (when compiled as C code)

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This commit is contained in:
Jetro Lauha 2013-10-10 15:21:36 +03:00
parent f52dd2cf2c
commit c7baafd493
2 changed files with 24 additions and 12 deletions
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2
example/main.c
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@ -121,6 +121,7 @@ void drawPath(float* pts, int npts, char closed, float tol)
void drawControlPts(float* pts, int npts, char closed)
{
int i;
closed; // prevent warnings
// Control lines
glColor4ubv(lineColor);
@ -227,6 +228,7 @@ void drawframe(GLFWwindow* window)
void resizecb(GLFWwindow* window, int width, int height)
{
// Update and render
width; height; // prevent warnings
drawframe(window);
}

34
src/nanosvg.h
View File

@ -98,11 +98,18 @@ void nsvgDelete(struct NSVGImage* image);
#include <stdlib.h>
#include <math.h>
#define NSVG_PI 3.14159265358979323846264338327
#define NSVG_PI 3.14159265358979323846264338327f
#define NSVG_KAPPA90 0.5522847493f // Lenght proportional to radius of a cubic bezier handle for 90deg arcs.
#ifdef _MSC_VER
#pragma warning (disable: 4996) // Switch off security warnings
#ifdef __cplusplus
#define NSVG_INLINE inline
#else
#define NSVG_INLINE
#endif
#else
#define NSVG_INLINE inline
#endif
@ -116,7 +123,7 @@ static int nsvg__isnum(char c)
return strchr("0123456789+-.eE", c) != 0;
}
static inline float nsvg__maxf(float a, float b) { return a > b ? a : b; }
static NSVG_INLINE float nsvg__maxf(float a, float b) { return a > b ? a : b; }
// Simple XML parser
@ -469,11 +476,12 @@ static void nsvg__addShape(struct NSVGParser* p)
{
struct NSVGAttrib* attr = nsvg__getAttr(p);
float scale = 1.0f;
struct NSVGShape* shape;
if (p->plist == NULL)
return;
struct NSVGShape* shape = (struct NSVGShape*)malloc(sizeof(struct NSVGShape));
shape = (struct NSVGShape*)malloc(sizeof(struct NSVGShape));
if (shape == NULL) goto error;
memset(shape, 0, sizeof(struct NSVGShape));
@ -1250,7 +1258,8 @@ static void nsvg__pathArcTo(struct NSVGParser* p, float* cpx, float* cpy, float*
float x, y, tanx, tany, a, px, py, ptanx, ptany, t[6];
float sinrx, cosrx;
int fa, fs;
int i;
int i, ndivs;
float hda, kappa;
rx = fabsf(args[0]); // y radius
ry = fabsf(args[1]); // x radius
@ -1284,8 +1293,8 @@ static void nsvg__pathArcTo(struct NSVGParser* p, float* cpx, float* cpy, float*
// Convert to center point parameterization.
// http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
// 1) Compute x1', y1'
x1p = cosrx * dx / 2.0 + sinrx * dy / 2.0;
y1p = -sinrx * dx / 2.0 + cosrx * dy / 2.0;
x1p = cosrx * dx / 2.0f + sinrx * dy / 2.0f;
y1p = -sinrx * dx / 2.0f + cosrx * dy / 2.0f;
d = nsvg__sqr(x1p)/nsvg__sqr(rx) + nsvg__sqr(y1p)/nsvg__sqr(ry);
if (d > 1) {
d = sqrtf(d);
@ -1305,8 +1314,8 @@ static void nsvg__pathArcTo(struct NSVGParser* p, float* cpx, float* cpy, float*
cyp = s * -ry * x1p / rx;
// 3) Compute cx,cy from cx',cy'
cx = (x1 + x2)/2.0 + cosrx*cxp - sinrx*cyp;
cy = (y1 + y2)/2.0 + sinrx*cxp + cosrx*cyp;
cx = (x1 + x2)/2.0f + cosrx*cxp - sinrx*cyp;
cy = (y1 + y2)/2.0f + sinrx*cxp + cosrx*cyp;
// 4) Calculate theta1, and delta theta.
ux = (x1p - cxp) / rx;
@ -1333,9 +1342,9 @@ static void nsvg__pathArcTo(struct NSVGParser* p, float* cpx, float* cpy, float*
t[4] = cx; t[5] = cy;
// Split arc into max 90 degree segments.
int ndivs = (int)(fabsf(da) / (NSVG_PI*0.5f) + 0.5f);
float hda = (da / (float)ndivs) / 2.0f;
float kappa = fabsf(4.0f / 3.0f * (1.0f - cosf(hda)) / sinf(hda));
ndivs = (int)(fabsf(da) / (NSVG_PI*0.5f) + 0.5f);
hda = (da / (float)ndivs) / 2.0f;
kappa = fabsf(4.0f / 3.0f * (1.0f - cosf(hda)) / sinf(hda));
if (da < 0.0f)
kappa = -kappa;
@ -1645,7 +1654,7 @@ static void nsvg__parsePoly(struct NSVGParser* p, const char** attr, int closeFl
}
}
nsvg__addPath(p, closeFlag);
nsvg__addPath(p, (char)closeFlag);
nsvg__addShape(p);
}
@ -1730,6 +1739,7 @@ static void nsvg__endElement(void* ud, const char* el)
static void nsvg__content(void* ud, const char* s)
{
// empty
ud; s; // prevent warnings
}
struct NSVGImage* nsvgParse(char* input)