Panda3D
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00001 // Filename: imageWriter.cxx 00002 // Created by: drose (19Jun00) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #include "imageWriter.h" 00016 00017 //////////////////////////////////////////////////////////////////// 00018 // Function: ImageWriter::Constructor 00019 // Access: Public 00020 // Description: Image-writing type programs *must* specify their 00021 // output file using -o. 00022 //////////////////////////////////////////////////////////////////// 00023 ImageWriter:: 00024 ImageWriter(bool allow_last_param) : 00025 WithOutputFile(allow_last_param, false, true) 00026 { 00027 clear_runlines(); 00028 if (_allow_last_param) { 00029 add_runline("[opts] outputimage"); 00030 } 00031 add_runline("[opts] -o outputimage"); 00032 00033 string o_description; 00034 if (_allow_last_param) { 00035 o_description = 00036 "Specify the filename to which the resulting image file will be written. " 00037 "If this option is omitted, the last parameter name is taken to be the " 00038 "name of the output file."; 00039 } else { 00040 o_description = 00041 "Specify the filename to which the resulting image file will be written."; 00042 } 00043 00044 add_option 00045 ("o", "filename", 50, o_description, 00046 &ImageWriter::dispatch_filename, &_got_output_filename, &_output_filename); 00047 } 00048 00049 00050 //////////////////////////////////////////////////////////////////// 00051 // Function: ImageWriter::write_image 00052 // Access: Public 00053 // Description: Writes the generated to the user's specified output 00054 // filename. 00055 //////////////////////////////////////////////////////////////////// 00056 void ImageWriter:: 00057 write_image(const PNMImage &image) { 00058 if (!image.write(get_output_filename())) { 00059 nout << "Unable to write output image to " 00060 << get_output_filename() << "\n"; 00061 exit(1); 00062 } 00063 } 00064 00065 //////////////////////////////////////////////////////////////////// 00066 // Function: ImageWriter::handle_args 00067 // Access: Protected, Virtual 00068 // Description: Does something with the additional arguments on the 00069 // command line (after all the -options have been 00070 // parsed). Returns true if the arguments are good, 00071 // false otherwise. 00072 //////////////////////////////////////////////////////////////////// 00073 bool ImageWriter:: 00074 handle_args(ProgramBase::Args &args) { 00075 if (!check_last_arg(args, 0)) { 00076 return false; 00077 } 00078 00079 if (!args.empty()) { 00080 nout << "Unexpected arguments on command line:\n"; 00081 Args::const_iterator ai; 00082 for (ai = args.begin(); ai != args.end(); ++ai) { 00083 nout << (*ai) << " "; 00084 } 00085 nout << "\r"; 00086 return false; 00087 } 00088 00089 return true; 00090 }