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svg_loader: <image> tag introduced fix #7

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fixed auto and new lines in tvgSvgUtil.cpp
This commit is contained in:
Michal Maciola 2021-07-05 09:12:40 +02:00 • committed by Hermet Park
parent 1f67c1d689
commit 48bc30e70a
1 changed files with 16 additions and 13 deletions
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29
src/loaders/svg/tvgSvgUtil.cpp
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@ -24,7 +24,6 @@
#include <memory.h> #include <memory.h>
#include <ctype.h> #include <ctype.h>
#include <errno.h> #include <errno.h>
#include <stdint.h>
#include "tvgSvgUtil.h" #include "tvgSvgUtil.h"
/************************************************************************/ /************************************************************************/
@ -36,13 +35,15 @@ static inline bool _floatExact(float a, float b)
return memcmp(&a, &b, sizeof (float)) == 0; return memcmp(&a, &b, sizeof (float)) == 0;
} }
static uint8_t _hexCharToDec(const char c) { static uint8_t _hexCharToDec(const char c)
{
if (c >= 'a') return c - 'a' + 10; if (c >= 'a') return c - 'a' + 10;
else if (c >= 'A') return c - 'A' + 10; else if (c >= 'A') return c - 'A' + 10;
else return c - '0'; else return c - '0';
} }
static uint8_t _base64Value(const char chr) { static uint8_t _base64Value(const char chr)
{
if (chr >= 'A' && chr <= 'Z') return chr - 'A'; if (chr >= 'A' && chr <= 'Z') return chr - 'A';
else if (chr >= 'a' && chr <= 'z') return chr - 'a' + ('Z' - 'A') + 1; else if (chr >= 'a' && chr <= 'z') return chr - 'a' + ('Z' - 'A') + 1;
else if (chr >= '0' && chr <= '9') return chr - '0' + ('Z' - 'A') + ('z' - 'a') + 2; else if (chr >= '0' && chr <= '9') return chr - '0' + ('Z' - 'A') + ('z' - 'a') + 2;
@ -258,9 +259,10 @@ on_error:
return 0.0f; return 0.0f;
} }
string svgUtilURLDecode(const char *src) { string svgUtilURLDecode(const char *src)
unsigned int length = strlen(src); {
if (!src || !length) return nullptr; auto length = strlen(src);
if (!src || length == 0) return nullptr;
string decoded; string decoded;
decoded.reserve(length); decoded.reserve(length);
@ -282,24 +284,25 @@ string svgUtilURLDecode(const char *src) {
return decoded; return decoded;
} }
string svgUtilBase64Decode(const char *src) { string svgUtilBase64Decode(const char *src)
unsigned int length = strlen(src); {
if (!src || !length) return nullptr; auto length = strlen(src);
if (!src || length == 0) return nullptr;
string decoded; string decoded;
decoded.reserve(3*(1+(length >> 2))); decoded.reserve(3*(1+(length >> 2)));
while (*src && *(src+1)) { while (*src && *(src+1)) {
uint8_t value1 = _base64Value(src[0]); auto value1 = _base64Value(src[0]);
uint8_t value2 = _base64Value(src[1]); auto value2 = _base64Value(src[1]);
decoded += (value1 << 2) + ((value2 & 0x30) >> 4); decoded += (value1 << 2) + ((value2 & 0x30) >> 4);
if (!src[2] || src[2] == '=' || src[2] == '.') break; if (!src[2] || src[2] == '=' || src[2] == '.') break;
uint8_t value3 = _base64Value(src[2]); auto value3 = _base64Value(src[2]);
decoded += ((value2 & 0x0f) << 4) + ((value3 & 0x3c) >> 2); decoded += ((value2 & 0x0f) << 4) + ((value3 & 0x3c) >> 2);
if (!src[3] || src[3] == '=' || src[3] == '.') break; if (!src[3] || src[3] == '=' || src[3] == '.') break;
uint8_t value4 = _base64Value(src[3]); auto value4 = _base64Value(src[3]);
decoded += ((value3 & 0x03) << 6) + value4; decoded += ((value3 & 0x03) << 6) + value4;
src += 4; src += 4;
} }