Modify nanosvg.h to support compilation by Visual Studio 7.

This is a new implementation that does not tamper with the program's locale.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12431 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 8 insertions, 66 deletions

diff --git a/nanosvg/fl_nanosvg.diff b/nanosvg/fl_nanosvg.diff
index 891379a1d..ffafb7d4d 100644
--- a/nanosvg/fl_nanosvg.diff
+++ b/nanosvg/fl_nanosvg.diff
@@ -1,76 +1,18 @@
-1,10d0
+1,9d0
 < //
 < // "$Id$"
 < //
 < 
-< /* Modified by FLTK from original source file "nanosvg.h" to support compilation 
-<  with Visual Studio 7:
-<  remove the implementation of function nsvg__atof() that uses 
-<  unsupported "long long" type and strtoll() function.
+< /* Modified for the FLTK library from original source file "nanosvg.h" to 
+<  support compilation with Visual Studio 7:
+<  replace in function nsvg__atof() the "long long" type by "fl_nsvg_int".
 <  */
 < 
-1087a1078,1137
-> // We roll our own string to float because the std library one uses locale and messes things up.
-> static double nsvg__atof(const char* s)
-> {
-> 	char* cur = (char*)s;
-> 	char* end = NULL;
-> 	double res = 0.0, sign = 1.0;
+1093c1084
+< 	fl_nsvg_int intPart = 0, fracPart = 0;
+---
 > 	long long intPart = 0, fracPart = 0;
-> 	char hasIntPart = 0, hasFracPart = 0;
-> 
-> 	// Parse optional sign
-> 	if (*cur == '+') {
-> 		cur++;
-> 	} else if (*cur == '-') {
-> 		sign = -1;
-> 		cur++;
-> 	}
-> 
-> 	// Parse integer part
-> 	if (nsvg__isdigit(*cur)) {
-> 		// Parse digit sequence
-> 		intPart = (double)strtoll(cur, &end, 10);
-> 		if (cur != end) {
-> 			res = (double)intPart;
-> 			hasIntPart = 1;
-> 			cur = end;
-> 		}
-> 	}
-> 
-> 	// Parse fractional part.
-> 	if (*cur == '.') {
-> 		cur++; // Skip '.'
-> 		if (nsvg__isdigit(*cur)) {
-> 			// Parse digit sequence
-> 			fracPart = strtoll(cur, &end, 10);
-> 			if (cur != end) {
-> 				res += (double)fracPart / pow(10.0, (double)(end - cur));
-> 				hasFracPart = 1;
-> 				cur = end;
-> 			}
-> 		}
-> 	}
-> 
-> 	// A valid number should have integer or fractional part.
-> 	if (!hasIntPart && !hasFracPart)
-> 		return 0.0;
-> 
-> 	// Parse optional exponent
-> 	if (*cur == 'e' || *cur == 'E') {
-> 		int expPart = 0;
-> 		cur++; // skip 'E'
-> 		expPart = strtol(cur, &end, 10); // Parse digit sequence with sign
-> 		if (cur != end) {
-> 			res *= pow(10.0, (double)expPart);
-> 		}
-> 	}
-> 
-> 	return res * sign;
-> }
-> 
-> 
-2876,2879d2925
+2935,2938d2925
 < 
 < //
 < // End of "$Id$".