Changes applied to dng_validate.cpp to prepare for csv output of r-, g- and b-values. Applies to dng_sdk version 1.3 from Adobe.

dng_validate_cpp_changes.diff

--- E:\temp\dng_sdk_1_3\dng_sdk\source\dng_validate.cpp_original	2009-06-22 13:07:00 +0000
+++ E:\temp\dng_sdk_1_3\dng_sdk\source\dng_validate.cpp	2011-03-22 15:25:46 +0000
@@ -63,6 +63,7 @@
 static dng_string gDumpStage3;
 static dng_string gDumpTIF;
 static dng_string gDumpDNG;
+static dng_string gDumpTXT;
 
 /*****************************************************************************/
 
@@ -298,6 +299,61 @@
 			
 			}
 					
+		// TODO TXT output. Next TODO Output RGB values to PPM ("Netpbm color image format", "magic number" P3, ASCII) file if requested.
+
+		if (gDumpTXT.NotEmpty ())
+			{
+			
+			dng_render render (host, *negative);
+			
+			render.SetFinalSpace     (*gFinalSpace   );
+			render.SetFinalPixelType (gFinalPixelType);
+
+			if (host.MinimumSize ())
+				{
+				
+				dng_point stage3Size = negative->Stage3Image ()->Size ();
+				
+				render.SetMaximumSize (Max_uint32 (stage3Size.v,
+												   stage3Size.h));
+
+				}
+			
+			AutoPtr<dng_image> finalImage;
+
+				{

+
+				dng_timer timer("Render time");
+
+				finalImage.Reset(render.Render());
+
+				}
+
+			dng_const_tile_buffer buffer(*finalImage, finalImage->Size());
+
+			// See forum, unanswered at the moment, how to exactly
+			const int8 * wantedpx = buffer.ConstPixel_int8 (0,0);
+			fprintf(stderr, "constpixel[0,0]: %s\n", &wantedpx);
+
+			
+			
+			dng_file_stream stream2 (gDumpTXT.Get (), true);
+			
+			dng_image_writer writer;
+			
+				{
+				
+				dng_timer timer ("Write TXT time"); 
+				// TODO write txt/csv file. For later TODO write raw ppm (P3) or even both, raw and plain (P6), see TIFF writer
+				writer.WriteTXT (host,
+								 stream2,
+								 *finalImage.Get ()); 
+				}
+
+			gDumpTXT.Clear ();
+
+			}
+
 		// Output TIF file if requested.
 			
 		if (gDumpTIF.NotEmpty ())
@@ -436,6 +492,7 @@
 					 "-3 <file>     Write stage 3 image to \"<file>.tif\"\n"
 					 "-tif <file>   Write TIF image to \"<file>.tif\"\n"
 					 "-dng <file>   Write DNG image to \"<file>.dng\"\n"
+					 "-ppm <file>   (Not impl. yet) Write PPM (P3) image to \"<file>.ppm\"\n"
 					 "\n",
 					 argv [0]);
 					 
@@ -715,6 +772,30 @@
 				
 				}
 				
+			/**Experimental, currently outputs a pixel value only as text */
+			else if (option.Matches ("ppm", true))
+				{
+				
+				gDumpTXT.Clear ();
+				
+				if (index + 1 < argc)
+					{
+					gDumpTXT.Set (argv [++index]);
+					}
+					
+				if (gDumpTXT.IsEmpty () || gDumpTXT.StartsWith ("-"))
+					{
+					fprintf (stderr, "*** Missing file name after -ppm\n");
+					return 1;
+					}
+				
+				if (!gDumpTXT.EndsWith (".ppm"))
+					{
+					gDumpTXT.Append (".ppm");
+					}
+				
+				}
+
 			else
 				{
 				fprintf (stderr, "*** Unknown option \"-%s\"\n", option.Get ());