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Fixed utf8 linking issue

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This commit is contained in:
Matt Hill
2015-05-03 14:00:49 -04:00
parent 862c60632d
commit be5c3b307c
4 changed files with 27 additions and 22 deletions
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1
src/openalpr/alpr_impl.cpp
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@@ -18,7 +18,6 @@
*/
#include "alpr_impl.h"
#include "support/utf8.h"
void plateAnalysisThread(void* arg);

1
src/openalpr/alpr_impl.h
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@@ -50,6 +50,7 @@
#include <opencv2/core/core.hpp>
#include "support/platform.h"
#include "support/utf8.h"
#define DEFAULT_TOPN 25
#define DEFAULT_DETECT_REGION false

23
src/openalpr/support/utf8.cpp Normal file
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@@ -0,0 +1,23 @@
#include "utf8.h"
std::string utf8chr(int cp)
{
char c[5]={ 0x00,0x00,0x00,0x00,0x00 };
if (cp<=0x7F) { c[0] = cp; }
else if(cp<=0x7FF) { c[0] = (cp>>6)+192; c[1] = (cp&63)+128; }
else if(0xd800<=cp && cp<=0xdfff) {} //invalid block of utf8
else if(cp<=0xFFFF) { c[0] = (cp>>12)+224; c[1]= ((cp>>6)&63)+128; c[2]=(cp&63)+128; }
else if(cp<=0x10FFFF) { c[0] = (cp>>18)+240; c[1] = ((cp>>12)&63)+128; c[2] = ((cp>>6)&63)+128; c[3]=(cp&63)+128; }
return std::string(c);
}
int codepoint(const std::string &u)
{
int l = u.length();
if (l<1) return -1; unsigned char u0 = u[0]; if (u0>=0 && u0<=127) return u0;
if (l<2) return -1; unsigned char u1 = u[1]; if (u0>=192 && u0<=223) return (u0-192)*64 + (u1-128);
if (u[0]==0xed && (u[1] & 0xa0) == 0xa0) return -1; //code points, 0xd800 to 0xdfff
if (l<3) return -1; unsigned char u2 = u[2]; if (u0>=224 && u0<=239) return (u0-224)*4096 + (u1-128)*64 + (u2-128);
if (l<4) return -1; unsigned char u3 = u[3]; if (u0>=240 && u0<=247) return (u0-240)*262144 + (u1-128)*4096 + (u2-128)*64 + (u3-128);
return -1;
}

22
src/openalpr/support/utf8.h
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@@ -31,25 +31,7 @@ DEALINGS IN THE SOFTWARE.
#include "utf8/checked.h"
#include "utf8/unchecked.h"
std::string utf8chr(int cp)
{
char c[5]={ 0x00,0x00,0x00,0x00,0x00 };
if (cp<=0x7F) { c[0] = cp; }
else if(cp<=0x7FF) { c[0] = (cp>>6)+192; c[1] = (cp&63)+128; }
else if(0xd800<=cp && cp<=0xdfff) {} //invalid block of utf8
else if(cp<=0xFFFF) { c[0] = (cp>>12)+224; c[1]= ((cp>>6)&63)+128; c[2]=(cp&63)+128; }
else if(cp<=0x10FFFF) { c[0] = (cp>>18)+240; c[1] = ((cp>>12)&63)+128; c[2] = ((cp>>6)&63)+128; c[3]=(cp&63)+128; }
return std::string(c);
}
int codepoint(const std::string &u)
{
int l = u.length();
if (l<1) return -1; unsigned char u0 = u[0]; if (u0>=0 && u0<=127) return u0;
if (l<2) return -1; unsigned char u1 = u[1]; if (u0>=192 && u0<=223) return (u0-192)*64 + (u1-128);
if (u[0]==0xed && (u[1] & 0xa0) == 0xa0) return -1; //code points, 0xd800 to 0xdfff
if (l<3) return -1; unsigned char u2 = u[2]; if (u0>=224 && u0<=239) return (u0-224)*4096 + (u1-128)*64 + (u2-128);
if (l<4) return -1; unsigned char u3 = u[3]; if (u0>=240 && u0<=247) return (u0-240)*262144 + (u1-128)*4096 + (u2-128)*64 + (u3-128);
return -1;
}
std::string utf8chr(int cp);
int codepoint(const std::string &u);
#endif // header guard