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67 lines
1.5 KiB
67 lines
1.5 KiB
9 years ago
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#include <gmt.h>
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#include <iostream>
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#include <string>
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#include <unistd.h>
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#include <sys/wait.h>
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int print_func(FILE* fd, const char* str)
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{
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std::cout<<"PRINT: "<<str<<std::endl;
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return 0;
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}
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int main()
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{
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char* text="GMT";
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//void* out;
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void* gmtapi;
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std::string args="-R130/160/40/60 -JM12c -Xa2c -Ya2c -B5/5/swNE --GMT_HISTORY=f --FONT_ANNOT_PRIMARY=14p,Times-Bold,red";
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struct GMT_OPTION* opts;
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int io,ret;
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char fname[16];
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int pipefd[2];
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std::string out;
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char buffer[4096];
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pid_t pid;
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gmtapi=GMT_Create_Session(text,2,0,print_func);
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//io=GMT_Register_IO(gmtapi,GMT_IS_TEXTSET,GMT_IS_DUPLICATE,GMT_IS_NONE,GMT_OUT,0,0);
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//GMT_Encode_ID(gmtapi,fname,io);
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opts=GMT_Create_Options(gmtapi,0,(void*)args.c_str());
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//ret=GMT_Init_IO(gmtapi,GMT_IS_TEXTSET,GMT_IS_NONE,GMT_OUT,5,0,opts);
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std::cout<<io<<" "<<GMT_NOTSET<<" "<<fname<<" "<<ret<<std::endl;
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pipe(pipefd);
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pid=fork();
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if(0==pid)
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{
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dup2(pipefd[1],1);
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GMT_Call_Module(gmtapi,"psbasemap",GMT_MODULE_OPT,opts);
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exit(0);
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}
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else
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{
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ssize_t br;
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std::string s="CALL\n";
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// write(1,s.c_str(),s.length());
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close(pipefd[1]);
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do
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{
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br=read(pipefd[0],buffer,4096);
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std::cout<<out.max_size()<<" "<<out.capacity()<<" "<<out.size()<<std::endl;
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out.append(buffer,br);
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} while(0!=br);
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wait(0);
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close(pipefd[0]);
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}
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out.shrink_to_fit();
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std::cout<<out.max_size()<<" "<<out.capacity()<<" "<<out.size()<<std::endl;
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GMT_Destroy_Options(gmtapi,&opts);
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GMT_Destroy_Session(gmtapi);
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return 0;
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}
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