overlay.h
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上传日期:2022-07-26
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- // overlay.h
- //
- // Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public License
- // as published by the Free Software Foundation; either version 2
- // of the License, or (at your option) any later version.
- #ifndef _OVERLAY_H_
- #define _OVERLAY_H_
- #include <string>
- #include <iostream>
- #include <celtxf/texturefont.h>
- class Overlay;
- // Custom streambuf class to support C++ operator style output. The
- // output is completely unbuffered so that it can coexist with printf
- // style output which the Overlay class also supports.
- class OverlayStreamBuf : public std::streambuf
- {
- public:
- OverlayStreamBuf();
- void setOverlay(Overlay*);
- int overflow(int c = EOF);
- enum UTF8DecodeState
- {
- UTF8DecodeStart = 0,
- UTF8DecodeMultibyte = 1,
- };
- private:
- Overlay* overlay;
- UTF8DecodeState decodeState;
- wchar_t decodedChar;
- unsigned int decodeShift;
- };
- class Overlay : public std::ostream
- {
- public:
- Overlay();
- ~Overlay();
- void begin();
- void end();
- void setWindowSize(int, int);
- void setFont(TextureFont*);
- void rect(float x, float y, float w, float h, bool fill = true);
- void beginText();
- void endText();
- void print(wchar_t);
- void print(char);
- void print(const char*);
- #ifndef _WIN32
- // Disable GCC format attribute specification requests. Only
- // the format string will be checked:
- void oprintf(const char*, ...) __attribute__ ((__format__ (__printf__, 2, 0)));
- #else
- void oprintf(const char*, ...);
- #endif
- private:
- int windowWidth;
- int windowHeight;
- TextureFont* font;
- bool useTexture;
- bool fontChanged;
- int textBlock;
- OverlayStreamBuf sbuf;
- };
- #endif // _OVERLAY_H_