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52 lines
1.7 KiB
52 lines
1.7 KiB
9 years ago
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#ifndef MODGMT_INTERNALS_H
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#define MODGMT_INTERNALS_H
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#include <gmt.h>
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#include <string.h>
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#include "filters.h"
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#include "modgmt_structs.h"
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// here we save header and footer of gmt-produced eps files
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extern std::string header,footer;
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extern const int GMTMODE;
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// Parameters for working thread
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struct gmtworkthreadpars
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{
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void* api;
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const char* module;
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struct GMT_OPTION* opts;
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int fd;
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int ret;
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};
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// Calling GMT module with filtering
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int callgmtmodule(void *api, const char *module, struct GMT_OPTION *opts, std::string* res, gmt_filter filt=gmt_filter_default, void* filtpar=0);
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int callgmtmodule(void *api, const char *module, const std::string& opts, std::string* res, gmt_filter filt=gmt_filter_default, void* filtpar=0);
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int callgmtmodule(void *api, const char *module, const char* opts, std::string* res, gmt_filter filt=gmt_filter_default, void* filtpar=0);
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// Workaround non-const pointer in GMT_Create_Options
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inline struct GMT_OPTION* str2options(void *api, const char* str, size_t size=0)
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{
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static char default_gmt_options[]="--GMT_HISTORY=f --PS_LINE_CAP=round --PS_LINE_JOIN=round --GMT_COMPATIBILITY=5 --PS_PAGE_ORIENTATION=portrait --PS_IMAGE_COMPRESS=deflate,9 --PROJ_LENGTH_UNIT=cm";
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char* t;
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if(0==size) t=strdup(str);
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else
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{
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t=static_cast<char*>(malloc(size+1));
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memcpy(t,str,size+1);
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}
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struct GMT_OPTION* opts=GMT_Create_Options(api,0,t);
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GMT_Append_Option(api,GMT_Create_Options(api,0,default_gmt_options),opts);
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free(t);
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return opts;
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}
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inline struct GMT_OPTION* str2options(void *api, const std::string& str)
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{
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return str2options(api,str.data(),str.length());
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}
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// Calculate real width and height of projection. If height!=0 recalculate width accordingly.
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bool ProjectionRealSize(struct gmt_projection& p, double height=0.0);
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#endif
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