NX二次开发-将工程图视图+尺寸的最大边界导出图片

Posted 2020-11-22 nxopen2018

  1 /*****************************************************************************
  2 **
  3 ** ExportPicture.cpp
  4 **
  5 ** Description:
  6 **     Contains Unigraphics entry points for the application.
  7 **
  8 *****************************************************************************/
  9 
 10 /* Include files */
 11 #include <stdarg.h>
 12     #include <strstream>
 13     #include <iostream>
 14     using std::ostrstream;
 15     using std::endl;    
 16     using std::ends;
 17     using std::cerr;
 18 #include <uf.h>
 19 #include <uf_ui_types.h>
 20 #include <uf_ui.h>
 21 #include <uf_exit.h>
 22 
 23 //头文件
 24 #include <uf.h>
 25 #include <uf_ui.h>
 26 #include <uf_modl.h>
 27 #include <uf_curve.h>
 28 #include <uf_obj.h>
 29 #include <uf_draw.h>
 30 #include <uf_drf.h>
 31 #include <vector>
 32 #include <algorithm>
 33 #include <uf_cgm.h>
 34 #include <iostream>
 35 #include <windows.h>
 36 #include <sstream>
 37 #include <uf_cfi.h>
 38 #include <atlimage.h>
 39 #include <uf_part.h>
 40 #include <uf_disp.h>
 41 
 42 using namespace std;
 43 
 44 static void ECHO(char *format, ...)
 45 {
 46     char msg[1024];
 47     va_list args;
 48     va_start(args, format);
 49     vsnprintf_s(msg, sizeof(msg), _TRUNCATE, format, args);
 50     va_end(args);
 51     UF_UI_open_listing_window();
 52     UF_UI_write_listing_window(msg);
 53     UF_print_syslog(msg, FALSE);
 54 }
 55 
 56 #define UF_CALL(X) (report_error( __FILE__, __LINE__, #X, (X)))
 57 
 58 static int report_error( char *file, int line, char *call, int irc)
 59 {
 60     if (irc)
 61     {
 62         char err[133];
 63 
 64         UF_get_fail_message(irc, err);
 65         ECHO("*** ERROR code %d at line %d in %s:
",
 66             irc, line, file);
 67         ECHO("+++ %s
", err);
 68         ECHO("%s;
", call);
 69     }
 70 
 71     return(irc);
 72 }
 73 
 74 
 75 void ExportPdf(tag_t drawing_tag, char* outFilePath, char* outPdfFilePath)
 76 {
 77     if (drawing_tag != NULL_TAG)
 78     {
 79         UF_CGM_export_options_t export_options;
 80         UF_CGM_ask_default_export_options(&export_options);
 81         //UF_CGM_ask_session_export_options(&export_options);//用这个函数也可以初始化
 82         export_options.reason = UF_CGM_pdf_reason;
 83         UF_CGM_set_session_export_options(&export_options);
 84 
 85         UF_CGM_export_cgm(drawing_tag, &export_options, outFilePath); //导出成CGM文件
 86 
 87         //将CGM转换成PDF
 88         char* GetName = NULL;
 89         UF_translate_variable("UGII_BASE_DIR", &GetName);//获取NX主目录
 90         std::ostringstream tempstring;
 91         tempstring << GetName << "\\NXPLOT\\bin\\pdf\\cgm2pdf.exe " << outFilePath << " " << outPdfFilePath;
 92         std::string covertvalule = tempstring.str();
 93         WinExec(covertvalule.c_str(), SW_HIDE); //打开PDF转换器，并转换
 94         tempstring.str("");
 95         tempstring.clear();
 96     }
 97 }
 98 
 99 /*****************************************************************************
100 **  Activation Methods
101 *****************************************************************************/
102 /*  Explicit Activation
103 **      This entry point is used to activate the application explicitly, as in
104 **      "File->Execute UG/Open->User Function..." */
105 extern DllExport void ufusr( char *parm, int *returnCode, int rlen )
106 {
107     /* Initialize the API environment */
108     if( UF_CALL(UF_initialize()) ) 
109     {
110         /* Failed to initialize */
111         return;
112     }
113     
114     /* TODO: Add your application code here */
115 
116     //获得当前图纸页tag
117     tag_t drawing_tag = NULL_TAG;
118     UF_CALL(UF_DRAW_ask_current_drawing(&drawing_tag));
119 
120     //打开当前图纸页
121     UF_CALL(UF_DRAW_open_drawing(drawing_tag));
122 
123     //获得图纸页上的视图
124     int num_views = 0;
125     tag_p_t view_tag = NULL_TAG;
126     UF_CALL(UF_DRAW_ask_views(drawing_tag, &num_views, &view_tag));
127 
128     //定义vector
129     vector<double> Xmin;
130     vector<double> Ymin;
131     vector<double> Xmax;
132     vector<double> Ymax;
133     //获得每个视图的边界
134     //[0] - X min
135     //[1] - Y min
136     //[2] - X max
137     //[3] - Y max
138     for (int i = 0; i < num_views; i++)
139     {
140         double view_borders[4];
141         UF_CALL(UF_DRAW_ask_view_borders(view_tag[i], view_borders));//视图最大边界
142 
143         //添加到vector
144         Xmin.push_back(view_borders[0]);
145         Ymin.push_back(view_borders[1]);
146         Xmax.push_back(view_borders[2]);
147         Ymax.push_back(view_borders[3]);
148     }
149 
150     //vector排序
151     sort(Xmin.begin(), Xmin.end());
152     Xmin.erase(unique(Xmin.begin(), Xmin.end()), Xmin.end());
153 
154     sort(Ymin.begin(), Ymin.end());
155     Ymin.erase(unique(Ymin.begin(), Ymin.end()), Ymin.end());
156 
157     sort(Xmax.begin(), Xmax.end());
158     Xmax.erase(unique(Xmax.begin(), Xmax.end()), Xmax.end());
159     int XmaxBig1 = Xmax.size() - 1;
160 
161     sort(Ymax.begin(), Ymax.end());
162     Ymax.erase(unique(Ymax.begin(), Ymax.end()), Ymax.end());
163     int YmaxBig1 = Ymax.size() - 1;
164     
165     //遍历所有尺寸
166     vector<tag_t> DimAll;
167     tag_t DimTag = NULL_TAG;
168     UF_CALL(UF_OBJ_cycle_objs_in_part(UF_PART_ask_display_part(), UF_dimension_type, &DimTag));
169     while (DimTag != NULL_TAG)
170     {
171         //获得每个尺寸的坐标原点
172         int dim_subtype = 0;
173         double dim_origin[3];
174         UF_DRF_dim_info_p_t dim_info;
175         UF_CALL(UF_DRF_ask_dim_info(DimTag, &dim_subtype, dim_origin, &dim_info));
176 
177         DimAll.push_back(DimTag);
178 
179         if (dim_origin[0] > Xmax[XmaxBig1])
180         {
181             //添加到vector
182             Xmax.push_back(dim_origin[0]);
183         }
184         else if (dim_origin[0] < Xmin[0])
185         {
186             Xmin.push_back(dim_origin[0]);
187 
188         }
189         else if (dim_origin[1] > Ymax[YmaxBig1])
190         {    
191             Ymax.push_back(dim_origin[1]);
192         }
193         else if (dim_origin[1] < Ymin[0])
194         {
195             Ymin.push_back(dim_origin[1]);
196         }
197 
198         UF_CALL(UF_OBJ_cycle_objs_in_part(UF_PART_ask_display_part(), UF_dimension_type, &DimTag));
199     }
200 
201     //vector排序
202     sort(Xmin.begin(), Xmin.end());
203     Xmin.erase(unique(Xmin.begin(), Xmin.end()), Xmin.end());
204 
205     sort(Ymin.begin(), Ymin.end());
206     Ymin.erase(unique(Ymin.begin(), Ymin.end()), Ymin.end());
207 
208     sort(Xmax.begin(), Xmax.end());
209     Xmax.erase(unique(Xmax.begin(), Xmax.end()), Xmax.end());
210     int XmaxBig = Xmax.size() - 1;
211 
212     sort(Ymax.begin(), Ymax.end());
213     Ymax.erase(unique(Ymax.begin(), Ymax.end()), Ymax.end());
214     int YmaxBig = Ymax.size() - 1;
215 
216     //创建直线
217     UF_CURVE_line_t line_coords1;
218     line_coords1.start_point[0] = Xmin[0];
219     line_coords1.start_point[1] = Ymin[0];
220     line_coords1.start_point[2] = 0;
221     line_coords1.end_point[0] = Xmin[0];
222     line_coords1.end_point[1] = Ymax[YmaxBig];
223     line_coords1.end_point[2] = 0;
224     tag_t line[4];
225     UF_CALL(UF_CURVE_create_line(&line_coords1, &line[0]));
226 
227     UF_CURVE_line_t line_coords2;
228     line_coords2.start_point[0] = Xmin[0];
229     line_coords2.start_point[1] = Ymax[YmaxBig];
230     line_coords2.start_point[2] = 0;
231     line_coords2.end_point[0] = Xmax[XmaxBig];
232     line_coords2.end_point[1] = Ymax[YmaxBig];
233     line_coords2.end_point[2] = 0;
234     UF_CALL(UF_CURVE_create_line(&line_coords2, &line[1]));
235 
236     UF_CURVE_line_t line_coords3;
237     line_coords3.start_point[0] = Xmax[XmaxBig];
238     line_coords3.start_point[1] = Ymax[YmaxBig];
239     line_coords3.start_point[2] = 0;
240     line_coords3.end_point[0] = Xmax[XmaxBig];
241     line_coords3.end_point[1] = Ymin[0];
242     line_coords3.end_point[2] = 0;
243     UF_CALL(UF_CURVE_create_line(&line_coords3, &line[2]));
244 
245     UF_CURVE_line_t line_coords4;
246     line_coords4.start_point[0] = Xmax[XmaxBig];
247     line_coords4.start_point[1] = Ymin[0];
248     line_coords4.start_point[2] = 0;
249     line_coords4.end_point[0] = Xmin[0];
250     line_coords4.end_point[1] = Ymin[0];
251     line_coords4.end_point[2] = 0;
252     UF_CALL(UF_CURVE_create_line(&line_coords4, &line[3]));
253 
254     //将图纸页导出PDF
255     ExportPdf(drawing_tag, "D:\\PNG\\lsy.cgm", "D:\\PNG\\lsy.pdf");
256 
257     //转换
258     char Pdf2Png[256];
259     sprintf_s(Pdf2Png, "D:\\Pdf2PngTools\\Pdf2Png.exe %s %s", "D:\\PNG\\lsy.pdf", "D:\\PNG\\lsy");
260 
261     //判断文件是否存在
262     int status = 0;
263     UF_CALL(UF_CFI_ask_file_exist("D:\\Pdf2PngTools\\Pdf2Png.exe", &status));
264     if (status != 0)
265     {
266         uc1601("提示:D:\\Pdf2PngTools\\Pdf2Png.exe程序不存在", 1);
267         return;
268     }
269 
270     Sleep(1000);//这个地方必须得延迟一下，要不然调EXE导出就会报错
271 
272     //调EXE,PDF转PNG
273     system(Pdf2Png);
274 
275     //获得图纸页的大小
276     UF_DRAW_info_t drawing_info;
277     UF_CALL(UF_DRAW_ask_drawing_info(drawing_tag, &drawing_info));
278     double DrawH = drawing_info.size.custom_size[0];
279     double DrawW = drawing_info.size.custom_size[1];
280 
281     //图片裁剪
282     CString filepathname = "D:\\PNG\\lsy1.png", filepathname1 = "D:\\PNG\\lsy123.png";
283     int width = 0, height = 0;
284     CImage p_w_picpath, p_w_picpath1;
285     p_w_picpath.Load(filepathname); //加载图片 
286     width = p_w_picpath.GetWidth();
287     height = p_w_picpath.GetHeight();
288 
289     //计算1毫米等于多少像素(图纸尺寸和图纸PNG像素对比)
290     double AA = width / DrawW;
291     double BB = height / DrawH;
292 
293     //计算距离(图纸尺寸和矩形最大边界间距)
294     double Xdistance = (DrawW - (Xmax[XmaxBig] - Xmin[0]))*AA;
295     double Ydistance = (DrawH - (Ymax[YmaxBig] - Ymin[0]))*BB;
296 
297     //图片裁剪,创建新的png
298     p_w_picpath1.Create(width - Xdistance, height - Ydistance, p_w_picpath.GetBPP()); // 创建一个目标存储对象 
299     p_w_picpath.BitBlt(p_w_picpath1.GetDC(), 0, 0, width - Xdistance, height - Ydistance, Xmin[0] * AA, (DrawH - Ymax[YmaxBig])*BB, SRCCOPY);  //COPY原图的局部到目标对象里
300     p_w_picpath1.Save(filepathname1);  // 保存处理后的图片
301     p_w_picpath1.ReleaseDC();   // 释放资源
302     p_w_picpath1.Destroy();  // 销毁资源
303 
304 
305     /* Terminate the API environment */
306     UF_CALL(UF_terminate());
307 }
308 
309 /*****************************************************************************
310 **  Utilities
311 *****************************************************************************/
312 
313 /* Unload Handler
314 **     This function specifies when to unload your application from Unigraphics.
315 **     If your application registers a callback (from a MenuScript item or a
316 **     User Defined Object for example), this function MUST return
317 **     "UF_UNLOAD_UG_TERMINATE". */
318 extern int ufusr_ask_unload( void )
319 {
320     return( UF_UNLOAD_IMMEDIATELY );
321 }
322 
323 Caesar卢尚宇
324 2019年11月23日