diff options
Diffstat (limited to 'thirdparty/nanosvg/nanosvg.h')
| -rw-r--r-- | thirdparty/nanosvg/nanosvg.h | 80 |
1 files changed, 65 insertions, 15 deletions
diff --git a/thirdparty/nanosvg/nanosvg.h b/thirdparty/nanosvg/nanosvg.h index 2321c56fd2..8c8b061cd1 100644 --- a/thirdparty/nanosvg/nanosvg.h +++ b/thirdparty/nanosvg/nanosvg.h @@ -29,9 +29,11 @@ #ifndef NANOSVG_H #define NANOSVG_H +#ifndef NANOSVG_CPLUSPLUS #ifdef __cplusplus extern "C" { #endif +#endif // NanoSVG is a simple stupid single-header-file SVG parse. The output of the parser is a list of cubic bezier shapes. // @@ -45,15 +47,15 @@ extern "C" { // NanoSVG can return the paths in few different units. For example if you want to render an image, you may choose // to get the paths in pixels, or if you are feeding the data into a CNC-cutter, you may want to use millimeters. // -// The units passed to NanoVG should be one of: 'px', 'pt', 'pc' 'mm', 'cm', or 'in'. +// The units passed to NanoSVG should be one of: 'px', 'pt', 'pc' 'mm', 'cm', or 'in'. // DPI (dots-per-inch) controls how the unit conversion is done. // // If you don't know or care about the units stuff, "px" and 96 should get you going. /* Example Usage: - // Load - NSVGImage* image; + // Load SVG + NSVGimage* image; image = nsvgParseFromFile("test.svg", "px", 96); printf("size: %f x %f\n", image->width, image->height); // Use... @@ -167,12 +169,17 @@ NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi) // Important note: changes the string. NSVGimage* nsvgParse(char* input, const char* units, float dpi); -// Deletes list of paths. +// Duplicates a path. +NSVGpath* nsvgDuplicatePath(NSVGpath* p); + +// Deletes an image. void nsvgDelete(NSVGimage* image); +#ifndef NANOSVG_CPLUSPLUS #ifdef __cplusplus } #endif +#endif #endif // NANOSVG_H @@ -1415,8 +1422,7 @@ static unsigned int nsvg__parseColor(const char* str) static float nsvg__parseOpacity(const char* str) { - float val = 0; - sscanf(str, "%f", &val); + float val = nsvg__atof(str); if (val < 0.0f) val = 0.0f; if (val > 1.0f) val = 1.0f; return val; @@ -1424,8 +1430,7 @@ static float nsvg__parseOpacity(const char* str) static float nsvg__parseMiterLimit(const char* str) { - float val = 0; - sscanf(str, "%f", &val); + float val = nsvg__atof(str); if (val < 0.0f) val = 0.0f; return val; } @@ -1456,9 +1461,9 @@ static int nsvg__parseUnits(const char* units) static NSVGcoordinate nsvg__parseCoordinateRaw(const char* str) { NSVGcoordinate coord = {0, NSVG_UNITS_USER}; - char units[32]=""; - sscanf(str, "%f%31s", &coord.value, units); - coord.units = nsvg__parseUnits(units); + char buf[64]; + coord.units = nsvg__parseUnits(nsvg__parseNumber(str, buf, 64)); + coord.value = nsvg__atof(buf); return coord; } @@ -1650,7 +1655,7 @@ static char nsvg__parseLineJoin(const char* str) else if (strcmp(str, "bevel") == 0) return NSVG_JOIN_BEVEL; // TODO: handle inherit. - return NSVG_CAP_BUTT; + return NSVG_JOIN_MITER; } static char nsvg__parseFillRule(const char* str) @@ -2494,11 +2499,26 @@ static void nsvg__parseSVG(NSVGparser* p, const char** attr) for (i = 0; attr[i]; i += 2) { if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { if (strcmp(attr[i], "width") == 0) { - p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 1.0f); + p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); } else if (strcmp(attr[i], "height") == 0) { - p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 1.0f); + p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); } else if (strcmp(attr[i], "viewBox") == 0) { - sscanf(attr[i + 1], "%f%*[%%, \t]%f%*[%%, \t]%f%*[%%, \t]%f", &p->viewMinx, &p->viewMiny, &p->viewWidth, &p->viewHeight); + const char *s = attr[i + 1]; + char buf[64]; + s = nsvg__parseNumber(s, buf, 64); + p->viewMinx = nsvg__atof(buf); + while (*s && (nsvg__isspace(*s) || *s == '%' || *s == ',')) s++; + if (!*s) return; + s = nsvg__parseNumber(s, buf, 64); + p->viewMiny = nsvg__atof(buf); + while (*s && (nsvg__isspace(*s) || *s == '%' || *s == ',')) s++; + if (!*s) return; + s = nsvg__parseNumber(s, buf, 64); + p->viewWidth = nsvg__atof(buf); + while (*s && (nsvg__isspace(*s) || *s == '%' || *s == ',')) s++; + if (!*s) return; + s = nsvg__parseNumber(s, buf, 64); + p->viewHeight = nsvg__atof(buf); } else if (strcmp(attr[i], "preserveAspectRatio") == 0) { if (strstr(attr[i + 1], "none") != 0) { // No uniform scaling @@ -2906,6 +2926,36 @@ error: return NULL; } +NSVGpath* nsvgDuplicatePath(NSVGpath* p) +{ + NSVGpath* res = NULL; + + if (p == NULL) + return NULL; + + res = (NSVGpath*)malloc(sizeof(NSVGpath)); + if (res == NULL) goto error; + memset(res, 0, sizeof(NSVGpath)); + + res->pts = (float*)malloc(p->npts*2*sizeof(float)); + if (res->pts == NULL) goto error; + memcpy(res->pts, p->pts, p->npts * sizeof(float) * 2); + res->npts = p->npts; + + memcpy(res->bounds, p->bounds, sizeof(p->bounds)); + + res->closed = p->closed; + + return res; + +error: + if (res != NULL) { + free(res->pts); + free(res); + } + return NULL; +} + void nsvgDelete(NSVGimage* image) { NSVGshape *snext, *shape; |