(svn r2542) -Add: [GPMI] Added GPMI (http://sourceforge.net/projects/libgpmi/)
support to OpenTTD in preperation of AIScripts (long term). It is OFF
by default. Add GPMI:=1 to Makefile.config to enable.
#ifndef SCREENSHOT_H#define SCREENSHOT_Hvoid InitializeScreenshotFormats(void);const char *GetScreenshotFormatDesc(int i);void SetScreenshotFormat(int i);bool MakeScreenshot(void);bool MakeWorldScreenshot(int left, int top, int width, int height, int zoom);#endif