lib/FrameGraphics.hh

// 繝輔Ξ繝ｼ繝�繝舌ャ繝輔ぃ繧ｰ繝ｩ繝輔ぅ繝�繧ｯ繧ｹ繧ｯ繝ｩ繧ｹ
// 2011/02/07 Yuki YOKOKURA
//
// 逕ｻ髱｢荳翫↓蝗ｳ遲峨�ｮ謠冗判繧定｡後＞縺ｾ縺吶�ゅ◆縺�縺暦ｼ�/dev/fb* 縺悟ｿ�隕√��
//
// Copyright (C) 2011 Yuki YOKOKURA
// 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 3 of the License, or any later version.
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details <http://www.gnu.org/licenses/>.
// Besides, you can negotiate about other options of licenses instead of GPL.
// If you would like to get other licenses, please contact us<yuki@katsura.sd.keio.ac.jp>.

#ifndef FRAMEGRAPHICS
#define FRAMEGRAPHICS

#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <linux/fb.h>
#include <linux/fs.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <string.h>


// 濶ｲ縺ｮ螳夂ｾｩ (濶ｲ豺ｱ蠎ｦ16bit繝｢繝ｼ繝臥畑)
// 繝薙ャ繝医ヱ繧ｿ繝ｼ繝ｳ MSB RRRRRGGGGGGBBBBB LSB (襍､�ｼ壹ン繝�繝�15�ｽ�11 邱托ｼ壹ン繝�繝�10�ｽ�5 髱抵ｼ壹ン繝�繝�4�ｽ�0)
// 螳溘�ｯ襍､髱偵↓豈斐∋邱代�ｮ蛻�隗｣閭ｽ縺�1bit蛻�縺�縺大､壹＞
// 莉･荳九�ｯ蝓ｺ譛ｬ濶ｲ縺ｮ螳夂ｾｩ  縺薙�ｮ莉悶↓繧ょ享謇九↓螂ｽ縺阪↑濶ｲ繧剃ｽ懊ｌ繧�
#define FG_COLOR_RED            0xF800  // 襍､
#define FG_COLOR_GREEN          0x07E0  // 邱�
#define FG_COLOR_BLUE           0x001F  // 髱�
#define FG_COLOR_CYAN           FG_COLOR_GREEN | FG_COLOR_BLUE  // 豌ｴ (繧ｷ繧｢繝ｳ)              // OR繧貞叙繧九→濶ｲ縺瑚ｶｳ縺帙ｋ繧茨ｽ�!
#define FG_COLOR_MAGENTA        FG_COLOR_RED | FG_COLOR_BLUE    // 邏ｫ (繝槭ぞ繝ｳ繧ｿ)
#define FG_COLOR_YELLOW         FG_COLOR_RED | FG_COLOR_GREEN   // 鮟� (繧､繧ｨ繝ｭ繝ｼ)
#define FG_COLOR_BLACK          0x0000  // 鮟�
#define FG_COLOR_WHITE          0xFFFF  // 逋ｽ
#define FG_COLOR_GRAY50         0x7BEF  // 轣ｰ 霈晏ｺｦ50�ｼ�
#define FG_COLOR_GRAY25         0x39E7  // 轣ｰ 霈晏ｺｦ25�ｼ�

class FrameGraphics {
        // 繝輔Ξ繝ｼ繝�繝舌ャ繝輔ぃ繧ｯ繝ｩ繧ｹ
        private:
                FrameGraphics(const FrameGraphics&);                                    // 繧ｳ繝斐�ｼ繧ｳ繝ｳ繧ｹ繝医Λ繧ｯ繧ｿ菴ｿ逕ｨ遖∵ｭ｢
                const FrameGraphics& operator=(const FrameGraphics&);   // 莉｣蜈･貍皮ｮ怜ｭ蝉ｽｿ逕ｨ遖∵ｭ｢
                int FBfd;               // 繝輔Ξ繝ｼ繝�繝舌ャ繝輔ぃ 繝輔ぃ繧､繝ｫ繝�繧｣繧ｹ繧ｯ繝ｪ繝励ち
                short *FBptr;   // 繝輔Ξ繝ｼ繝�繝舌ャ繝輔ぃ 繝昴う繝ｳ繧ｿ
                struct fb_fix_screeninfo finfo; // 蝗ｺ螳壽ュ蝣ｱ讒矩��菴�
                struct fb_var_screeninfo vinfo; // 蜿ｯ螟画ュ蝣ｱ讒矩��菴�
                int width;              // [px]         讓ｪ蟷�
                int height;             // [px]         鬮倥＆
                int depth;              // [bits]       濶ｲ豺ｱ蠎ｦ
                int size;               // [bytes]      逕ｻ髱｢縺ｮ螟ｧ縺阪＆
                int length;             //                      繝輔Ξ繝ｼ繝�繝舌ャ繝輔ぃ繝昴う繝ｳ繧ｿ縺ｮ髟ｷ縺�
        
        public:
                FrameGraphics(const char* device);                                                      // 繧ｳ繝ｳ繧ｹ繝医Λ繧ｯ繧ｿ 繝輔Ξ繝ｼ繝�繝舌ャ繝輔ぃ蛻晄悄蛹�
                ~FrameGraphics(void);                                                                           // 繝�繧ｹ繝医Λ繧ｯ繧ｿ   繝輔Ξ繝ｼ繝�繝舌ャ繝輔ぃ髢区叛
                void ShowParam(void);                                                                           // 逕ｻ髱｢諠�蝣ｱ縺ｮ陦ｨ遉ｺ
                void DrawPoint(int x, int y, short color);                                      // 轤ｹ縺ｮ謠冗判
                void DrawLine(int x1, int y1, int x2, int y2, short color);     // 逶ｴ邱壹�ｮ謠冗判
                void DrawRect(int x, int y, int w, int h, short color);         // 髟ｷ譁ｹ蠖｢縺ｮ謠冗判(濶ｲ縺ｯ蝪励ｉ縺ｪ縺�)
                void DrawRectFill(int x, int y, int w, int h, short color);     // 髟ｷ譁ｹ蠖｢縺ｮ謠冗判(濶ｲ繧貞｡励ｋ)
                void ClearScreen(void);                                                                         // 逕ｻ髱｢縺ｮ豸亥悉
                void ClearRect(int x, int y, int w, int h);                                     // 髟ｷ譁ｹ蠖｢縺ｮ遽�蝗ｲ蜀�繧呈ｶ亥悉
                int GetWidth(void);                                                                                     // 逕ｻ髱｢縺ｮ蟷�縺ｮ蜿門ｾ�
                int GetHeight(void);                                                                            // 逕ｻ髱｢縺ｮ鬮倥＆縺ｮ蜿門ｾ�
        

};

#endif