115 lines
2.6 KiB
C++
115 lines
2.6 KiB
C++
// overlay.h
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//
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// Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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#ifndef _OVERLAY_H_
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#define _OVERLAY_H_
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#include <string>
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#include <iostream>
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#include <vector>
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#include <celtxf/texturefont.h>
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#include <celutil/color.h>
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class Overlay;
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class Renderer;
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// Custom streambuf class to support C++ operator style output. The
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// output is completely unbuffered so that it can coexist with printf
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// style output which the Overlay class also supports.
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class OverlayStreamBuf : public std::streambuf
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{
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public:
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OverlayStreamBuf();
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void setOverlay(Overlay*);
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int overflow(int c = EOF);
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enum UTF8DecodeState
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{
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UTF8DecodeStart = 0,
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UTF8DecodeMultibyte = 1,
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};
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private:
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Overlay* overlay{ nullptr };
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UTF8DecodeState decodeState{ UTF8DecodeStart };
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wchar_t decodedChar{ 0 };
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unsigned int decodeShift{ 0 };
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};
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class Overlay : public std::ostream
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{
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public:
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Overlay(const Renderer&);
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Overlay() = delete;
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~Overlay() = default;
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void begin();
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void end();
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void setWindowSize(int, int);
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void setFont(TextureFont*);
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enum class RectType
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{
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Outlined = 0x0001,
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Filled = 0x0002,
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Textured = 0x0004
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};
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struct Rectangle
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{
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Rectangle() = default;
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Rectangle(float _x, float _y, float _w, float _h, const Color& _c, RectType _t, float _lw = 1.0f) :
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x(_x), y(_y), w(_w), h(_h), type(_t), lw(_lw)
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{
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colors.push_back(_c);
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};
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Rectangle(float _x, float _y, float _w, float _h, const std::vector<Color>& _c, RectType _t, float _lw = 1.0f) :
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x(_x), y(_y), w(_w), h(_h), colors(_c), type(_t), lw(_lw)
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{
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};
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float x, y, w, h;
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float lw { 1.0f };
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RectType type { RectType::Filled };
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std::vector<Color> colors;
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};
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void rect(const Rectangle&);
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void beginText();
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void endText();
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void print(wchar_t);
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void print(char);
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void print(const char*);
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private:
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int windowWidth{ 1 };
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int windowHeight{ 1 };
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TextureFont* font{ nullptr };
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bool useTexture{ false };
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bool fontChanged{ false };
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int textBlock{ 0 };
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float xoffset{ 0.0f };
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float yoffset{ 0.0f };
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float lineWidth { 1.0f };
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OverlayStreamBuf sbuf;
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const Renderer& renderer;
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};
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#endif // _OVERLAY_H_
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