(svn r18156) -Add: crash screenshot, created from blitter buffer

src/crashlog.cpp

@@ -21,6 +21,8 @@
 #include "sound/sound_driver.hpp"
 #include "video/video_driver.hpp"
 #include "saveload/saveload.h"
+#include "screenshot.h"
+#include "gfx_func.h"
 
 #include <squirrel.h>
 #include "ai/ai_info.hpp"
@@ -249,6 +251,17 @@ bool CrashLog::WriteSavegame(char *filename, const char *filename_last) const
 	}
 }
 
+bool CrashLog::WriteScreenshot(char *filename, const char *filename_last) const
+{
+	/* Don't draw when we have invalid screen size */
+	if (_screen.width < 1 || _screen.height < 1 || _screen.dst_ptr == NULL) return false;
+
+	RequestScreenshot(SC_RAW, "crash");
+	bool res = MakeScreenshot();
+	if (res) strecpy(filename, _full_screenshot_name, filename_last);
+	return res;
+}
+
 bool CrashLog::MakeCrashLog() const
 {
 	/* Don't keep looping logging crashes. */
@@ -292,6 +305,15 @@ bool CrashLog::MakeCrashLog() const
 		printf("Writing crash savegame failed. Please attach the last (auto)save to any bug reports.\n\n");
 	}
 
+	printf("Writing crash screenshot...\n");
+	bret = this->WriteScreenshot(filename, lastof(filename));
+	if (bret) {
+		printf("Crash screenshot written to %s. Please add this file to any bug reports.\n\n", filename);
+	} else {
+		ret = false;
+		printf("Writing crash screenshot failed.\n\n");
+	}
+
 	return ret;
 }
 

src/crashlog.h

@@ -154,6 +154,16 @@ public:
 	 */
 	bool WriteSavegame(char *filename, const char *filename_last) const;
 
+	/**
+	 * Write the (crash) screenshot to a file.
+	 * @note On success the filename will be filled with the full path of the
+	 *       screenshot. Make sure filename is at least \c MAX_PATH big.
+	 * @param filename      Output for the filename of the written file.
+	 * @param filename_last The last position in the filename buffer.
+	 * @return true when the crash screenshot was successfully made.
+	 */
+	bool WriteScreenshot(char *filename, const char *filename_last) const;
+
 	/**
 	 * Makes the crash log, writes it to a file and then subsequently tries
 	 * to make a crash dump and crash savegame. It uses DEBUG to write

src/openttd.cpp

@@ -123,7 +123,6 @@ void CDECL error(const char *s, ...)
 	va_end(va);
 
 	ShowOSErrorBox(buf, true);
-	if (_video_driver != NULL) _video_driver->Stop();
 
 	/* Set the error message for the crash log and then invoke it. */
 	CrashLog::SetErrorMessage(buf);

src/screenshot.cpp

@@ -644,6 +644,8 @@ bool MakeScreenshot()
 		case SC_VIEWPORT:
 			UndrawMouseCursor();
 			DrawDirtyBlocks();
+			/* FALL THROUGH */
+		case SC_RAW:
 			_screenshot_type = SC_NONE;
 			return MakeSmallScreenshot();
 		case SC_WORLD:

src/screenshot.h

@@ -21,6 +21,7 @@ void SetScreenshotFormat(int i);
 enum ScreenshotType {
 	SC_NONE,     ///< No screenshot requested
 	SC_VIEWPORT, ///< Screenshot of viewport
+	SC_RAW,      ///< Raw screenshot from blitter buffer
 	SC_WORLD,    ///< World screenshot
 };