Update nanosvg library to current upstream version

See README.bundled-libs.txt
This commit is contained in:
Albrecht Schlosser 2019-01-31 19:06:06 +01:00
parent 39a8c72c86
commit 716a5067a9
3 changed files with 73 additions and 18 deletions

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@ -17,21 +17,21 @@ Current versions of bundled libraries:
Library Version Release date FLTK Version
------------------------------------------------------------------
jpeg jpeg-9c 2018-01-14 1.4.0
nanosvg [1] 06c1f0f 2018-07-01 1.4.0
nanosvg e62285a43b [1] 2019-01-31 1.4.0
png libpng-1.6.34 2017-09-29 1.4.0
zlib zlib-1.2.11 2017-01-15 1.4.0
[1] Git commit: https://github.com/memononen/nanosvg
Previous versions of bundled libraries:
Library Version Release date FLTK Version
------------------------------------------------------------------
nanosvg ce81a6577c [1] 2018-07-01 1.4.0
jpeg jpeg-9a 2014-01-19 1.3.4
png libpng-1.6.16 2014-12-22 1.3.4
zlib zlib-1.2.8 2013-04-28 1.3.4
[1] Git commit in: https://github.com/fltk/nanosvg
See also git tag 'fltk_yyyy-mm-dd' where yyyy-mm-dd == "Release date".
General information:
@ -49,7 +49,7 @@ General information:
later is aware of changes in the source code for FLTK. Additional comments
should be added to show the rationale, i.e. why a particular change was
necessary. If applicable, add a reference to a Software Trouble Report
like "STR #3456".
like "STR 3456", "Issue #123", or "PR #234".
How to update the bundled libraries:

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@ -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
@ -1423,8 +1430,7 @@ 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;
@ -1432,8 +1438,7 @@ 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;
}
@ -1464,9 +1469,9 @@ 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;
}
@ -2506,7 +2511,22 @@ static void nsvg__parseSVG(NSVGparser* p, const char** attr)
} else if (strcmp(attr[i], "height") == 0) {
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
@ -2914,6 +2934,36 @@ 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;

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@ -31,15 +31,18 @@
#ifndef NANOSVGRAST_H
#define NANOSVGRAST_H
#ifndef NANOSVGRAST_CPLUSPLUS
#ifdef __cplusplus
extern "C" {
#endif
#endif
typedef struct NSVGrasterizer NSVGrasterizer;
/* Example Usage:
// Load SVG
struct SNVGImage* image = nsvgParseFromFile("test.svg.");
NSVGimage* image;
image = nsvgParseFromFile("test.svg", "px", 96);
// Create rasterizer (can be used to render multiple images).
struct NSVGrasterizer* rast = nsvgCreateRasterizer();
@ -78,9 +81,11 @@ void nsvgRasterizeXY(NSVGrasterizer* r,
void nsvgDeleteRasterizer(NSVGrasterizer*);
#ifndef NANOSVGRAST_CPLUSPLUS
#ifdef __cplusplus
}
#endif
#endif
#endif // NANOSVGRAST_H