set title in eps/pdf/svg output

Author: schwicke

.github/workflows/darwin.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: dependencies
-      run: brew reinstall gcc; brew install --cask xquartz; brew install mesa-glu glfw3 tcsh glew openmotif libXaw
+      run: brew reinstall gcc; brew install --cask xquartz; brew install mesa-glu glfw3 tcsh glew openmotif libXaw libgl2ps
 
     - name: clean
       run: make clean

.github/workflows/ubuntu.yml

@@ -24,7 +24,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: dependencies
-      run: sudo apt install cmake gcc gfortran libx11-dev libglu1-mesa-dev libmotif-dev tcsh libxaw7-dev libglew-dev libdlm-dev
+      run: sudo apt install cmake gcc gfortran libx11-dev libglu1-mesa-dev libmotif-dev tcsh libxaw7-dev libglew-dev libdlm-dev libgl2ps-dev
 
     - name: clean
       run: make clean

src/libphigs/c_binding/cb_ws.c

@@ -363,7 +363,7 @@ void pclose_ws(
     if (gl2ps){
       int buffsize = 1024*1024*1024;
       wsh->fd = fopen(wsh->filename, "wb");
-      gl2psBeginPage("Title", "OpenPHIGS", NULL, gl2ps, GL2PS_BSP_SORT,
+      gl2psBeginPage(config[ws_id].window_title, "OpenPHIGS", NULL, gl2ps, GL2PS_BSP_SORT,
                      GL2PS_DRAW_BACKGROUND | GL2PS_USE_CURRENT_VIEWPORT| GL2PS_SIMPLE_LINE_OFFSET|GL2PS_OCCLUSION_CULL|GL2PS_TIGHT_BOUNDING_BOX,
                      GL_RGBA, 0, NULL, 0, 0, 0, buffsize, wsh->fd, NULL);
       /* redfine colors and redraw */