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9763 | vitalkrilo | 1 | #include |
2 | #include |
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3 | #include |
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4 | #include |
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5 | #include |
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6 | |||
7 | #include "func.h" |
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8 | #include "parser.h" |
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9 | |||
10 | #define nullptr 0 |
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11 | #define dword unsigned int |
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12 | |||
13 | enum BUTTONS { |
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14 | BTN_QUIT = 1, |
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15 | BTN_EDIT = 5 |
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16 | }; |
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17 | |||
18 | const char header[] = "Graph"; |
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19 | const char empty_text[] = "No function loaded. Type file name and press Enter. "; |
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20 | const char er_file_not_found[] = "Cannot open file. "; |
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21 | const char str_filename[] = "Filename:"; |
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22 | const char str_editfile[] = "Edit"; |
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23 | |||
24 | // начальные размеры |
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25 | #define WND_W 600 |
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26 | #define WND_H 470 |
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27 | |||
28 | #define LIGHTGREEN 0xff0000 |
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29 | #define WHITE 0xffffff |
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30 | #define BLACK 0x0 |
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31 | #define LIGHTBLUE 0x0000ff |
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32 | #define LIGHTRED 0xff0000 |
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33 | |||
34 | // font colors |
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35 | #define BIGFONTCOLOR BLACK |
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36 | #define SMALLFONTCOLOR BLACK |
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37 | |||
38 | #define THREE 3.0 |
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39 | // minimum space: 3 pixels |
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40 | |||
41 | #define BIG_HEIGHT 4.0 |
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42 | #define SMALL_HEIGHT 2.0 |
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43 | #define TEXT_X 15.0 |
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44 | // numeric format for output |
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45 | #define FORMAT "%.2f%c" |
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46 | // format for two coords |
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47 | #define FORMAT_COORD "(%.2f, %.2f)%c" |
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48 | // special value to text if enough space |
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49 | #define FORMAT_TEST "0.00" |
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50 | |||
51 | #define DELTA_BIG 1.0 |
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52 | #define DELTA_SMALL 0.1 |
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53 | |||
54 | int SysColor = 0; |
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55 | |||
56 | double* points; |
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57 | dword point_count = 0; |
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58 | double x1, y1, x2, y2; |
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59 | char* funct = nullptr; |
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60 | |||
61 | char edit_path[256]; |
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62 | edit_box mybox = { 200, 92, WND_H-16-32, 0xffffff, 0x94AECE, 0, 0x808080, 0x10000000, |
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63 | sizeof(edit_path)-1, (void*)&edit_path, 0, 0, 0 }; |
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64 | |||
65 | char* full_head; |
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66 | |||
67 | char* HugeBuf = nullptr; |
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68 | |||
69 | // constructor of TCoord |
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70 | TCoord coord(double x, double y) { |
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71 | TCoord r; |
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72 | r.x = x; |
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73 | r.y = y; |
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74 | return r; |
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75 | } |
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76 | |||
77 | // move and scale mathematical coords to fit screen coords |
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78 | TCoord mat2Graf(TCoord c, TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) { |
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79 | TCoord r; |
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80 | if (c.x > mMax.x) |
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81 | c.x = mMax.x; |
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82 | if (c.x < mMin.x) |
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83 | c.x = mMin.x; |
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84 | if (c.y > mMax.y) |
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85 | c.y = mMax.y; |
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86 | if (c.y < mMin.y) |
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87 | c.y = mMin.y; |
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88 | r.x = (scrMax.x - scrMin.x) / (mMax.x - mMin.x) * (c.x - mMin.x) + scrMin.x; |
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89 | r.y = (scrMax.y - scrMin.y) / (mMax.y - mMin.y) * (mMax.y - c.y) + scrMin.y; |
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90 | |||
91 | return r; |
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92 | } |
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93 | |||
94 | // huge function to draw all the stuff except the function itself |
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95 | void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) { |
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96 | TCoord cZero={0.0,0.0}, |
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97 | gMin, gMax, gZero, step; |
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98 | TCoord from, to; |
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99 | double i=0.0; |
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100 | int j; |
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101 | double xmin, xmin2, ymin, ymin2; |
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102 | char buf[30]=""; |
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103 | int strlentemp; |
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104 | |||
105 | |||
106 | // scr means Screen(bounding rect) |
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107 | // m means Mathematical |
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108 | // g means Graphic(real screen position) |
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109 | |||
110 | //_ksys_debug_puts("draw axis called\n"); |
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111 | |||
112 | //sprintf(debuf, "test: %f,%f,%f,%f\n", 123.45, 1.0, -0.9, 12.57); |
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113 | //_ksys_debug_puts(debuf); |
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114 | |||
115 | gMin = mat2Graf(mMin, scrMin, scrMax, mMin, mMax); |
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116 | gMax = mat2Graf(mMax, scrMin, scrMax, mMin, mMax); |
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117 | gZero = mat2Graf(cZero, scrMin, scrMax, mMin, mMax); |
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118 | |||
119 | // clear |
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120 | // SysColor = WHITE; |
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121 | //rectangle(di(gMin.x), di(gMin.y), di(gMax.x), di(gMax.y)); |
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122 | // ftopku |
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123 | |||
124 | SysColor = BLACK; |
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125 | // osy X |
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126 | _ksys_draw_line(gMin.x, gZero.y ,gMax.x, gZero.y, SysColor); |
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127 | // osy Y |
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128 | _ksys_draw_line(gZero.x, gMin.y, gZero.x, gMax.y, SysColor); |
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129 | // bounding rect |
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130 | _ksys_draw_line(gMin.x, gMin.y, gMax.x, gMin.y, SysColor); |
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131 | _ksys_draw_line(gMin.x, gMax.y, gMax.x, gMax.y, SysColor); |
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132 | |||
133 | _ksys_draw_line(gMin.x, gMin.y, gMin.x, gMax.y, SysColor); |
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134 | _ksys_draw_line(gMax.x, gMin.y, gMax.x, gMax.y, SysColor); |
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135 | |||
136 | // coords of the rect : lower left |
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137 | sprintf(buf, FORMAT_COORD, x1, y1, '\0'); |
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138 | //_ksys_debug_puts(buf); |
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139 | strlentemp = strlen(buf); |
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140 | _ksys_draw_text(buf, gMin.x, gMin.y + textheight(buf, strlentemp), strlentemp, SysColor); |
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141 | // upper left |
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142 | sprintf(buf, FORMAT_COORD, x1, y2, '\0'); |
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143 | strlentemp = strlen(buf); |
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144 | _ksys_draw_text(buf, gMin.x, gMax.y - textheight(buf, strlentemp), strlentemp, SysColor); |
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145 | // lower right |
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146 | sprintf(buf, FORMAT_COORD, x2, y1, '\0'); |
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147 | strlentemp = strlen(buf); |
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148 | _ksys_draw_text(buf, gMax.x - textwidth(buf, strlentemp), gMin.y + textheight(buf, strlentemp), strlentemp, SysColor); |
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149 | // upper right |
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150 | sprintf(buf, FORMAT_COORD, x2, y2, '\0'); |
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151 | strlentemp = strlen(buf); |
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152 | _ksys_draw_text(buf, gMax.x - textwidth(buf, strlentemp), gMax.y - textheight(buf, strlentemp), strlentemp, SysColor); |
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153 | |||
154 | //_ksys_debug_puts("some lines painted\n"); |
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155 | |||
156 | |||
157 | step.x = (mMax.x - mMin.x) / (scrMax.x - scrMin.x); |
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158 | step.y = (mMax.y - mMin.y) / (scrMax.y - scrMin.y); |
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159 | |||
160 | // round values |
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161 | xmin = (int)((mMin.x / DELTA_BIG) * DELTA_BIG); |
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162 | ymin = (int)((mMin.y / DELTA_BIG) * DELTA_BIG); |
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163 | |||
164 | // (0,0) |
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165 | |||
166 | if ((x1 * x2 <= 0.0) && (y1 * y2 <= 0.0)) |
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167 | { |
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168 | from.x=0.0; |
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169 | from.y=0.0; |
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170 | from = mat2Graf(from, scrMin, scrMax, mMin, mMax); |
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171 | SysColor = BLACK; |
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172 | sprintf(buf, FORMAT, 0.0, '\0'); |
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173 | strlentemp = strlen(buf); |
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174 | _ksys_draw_text(buf, from.x - textwidth(buf, strlentemp), from.y + textheight(buf, strlentemp), strlentemp, SysColor); |
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175 | } |
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176 | |||
177 | |||
178 | // big marks on X |
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179 | //settextstyle(0, 0, 1); |
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180 | if (DELTA_BIG / step.x > THREE) { |
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181 | for (i = xmin; i <= mMax.x; i += DELTA_BIG) { |
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182 | if (i != 0.0) { |
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183 | from.x = i; |
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184 | to.x = from.x; |
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185 | from.y = -BIG_HEIGHT * step.y; |
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186 | to.y = BIG_HEIGHT * step.y; |
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187 | from = mat2Graf(from, scrMin, scrMax, mMin, mMax); |
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188 | to = mat2Graf(to, scrMin, scrMax, mMin, mMax); |
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189 | SysColor = BLACK; |
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190 | _ksys_draw_line(from.x, from.y, to.x, to.y, SysColor); |
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191 | // write number |
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192 | sprintf(buf, FORMAT, i, '\0'); |
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193 | strlentemp = strlen(buf); |
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194 | // if it fits in the GAP, then write it |
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195 | if (from.y > scrMin.y && (DELTA_BIG > (textwidth(buf, strlentemp) + 1.0) * step.x)) { |
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196 | SysColor = BIGFONTCOLOR; |
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197 | _ksys_draw_text(buf, from.x - textwidth(buf, strlentemp) / 2.0, to.y - textheight(buf, strlentemp), strlentemp, SysColor); |
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198 | } |
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199 | } |
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200 | } |
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201 | } |
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202 | //_ksys_debug_puts("big marks x painted\n"); |
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203 | |||
204 | // big marks on Y |
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205 | if (DELTA_BIG / step.y > THREE) { |
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206 | for (i = ymin; i <= mMax.y; i += DELTA_BIG) { |
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207 | if (i != 0.0) { |
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208 | from.y = i; |
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209 | to.y = from.y; |
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210 | from.x = -BIG_HEIGHT * step.x; |
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211 | to.x = BIG_HEIGHT * step.x; |
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212 | from = mat2Graf(from, scrMin, scrMax, mMin, mMax); |
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213 | to = mat2Graf(to, scrMin, scrMax, mMin, mMax); |
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214 | SysColor = BLACK; |
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215 | _ksys_draw_line(from.x, from.y, to.x, to.y, SysColor); |
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216 | sprintf(buf, FORMAT, i, '\0'); |
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217 | strlentemp = strlen(buf); |
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218 | if (from.x > scrMin.x && (DELTA_BIG > textheight(buf, strlentemp) * step.y)) { |
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219 | SysColor = BIGFONTCOLOR; |
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220 | _ksys_draw_text(buf, from.x + TEXT_X, to.y - textheight(buf, strlentemp) / 2.0, strlentemp, SysColor); |
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221 | } |
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222 | } |
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223 | } |
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224 | } |
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225 | |||
226 | xmin2 = (int)(mMin.x / DELTA_SMALL) * DELTA_SMALL; |
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227 | ymin2 = (int)(mMin.y / DELTA_SMALL) * DELTA_SMALL; |
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228 | |||
229 | if (DELTA_SMALL / step.x > THREE) { |
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230 | j = (int)(( - xmin + xmin2 ) / DELTA_SMALL); |
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231 | for (i = xmin2; i <= mMax.x; i += DELTA_SMALL, j++) { |
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232 | if (j % 10 == 0) { |
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233 | // we need to skip every tenth mark, to avoid overwriting big marks |
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234 | j = 0; |
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235 | continue; |
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236 | } |
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237 | from.x = i; |
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238 | to.x = from.x; |
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239 | from.y = -SMALL_HEIGHT * step.y; |
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240 | to.y = SMALL_HEIGHT * step.y; |
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241 | from = mat2Graf(from, scrMin, scrMax, mMin, mMax); |
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242 | to = mat2Graf(to, scrMin, scrMax, mMin, mMax); |
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243 | SysColor = BLACK; |
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244 | _ksys_draw_line(from.x, from.y, to.x, to.y, SysColor); |
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245 | sprintf(buf, FORMAT, i, '\0'); |
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246 | strlentemp = strlen(buf); |
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247 | if (from.y > scrMin.y && (DELTA_SMALL > textwidth(buf, strlentemp) * step.x)) { |
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248 | SysColor = SMALLFONTCOLOR; |
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249 | _ksys_draw_text(buf, from.x - textwidth(buf, strlentemp) / 2.0, to.y - textheight(buf, strlentemp), strlentemp, SysColor); |
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250 | } |
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251 | |||
252 | |||
253 | } |
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254 | |||
255 | } |
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256 | |||
257 | // finally small marks on Y |
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258 | if (DELTA_SMALL / step.y > THREE) { |
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259 | //_ksys_debug_puts("really small marks y painted\n"); |
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260 | j = (int)(( - ymin + ymin2) / DELTA_SMALL); |
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261 | for (i = ymin2; i <= mMax.y; i += DELTA_SMALL, j++) { |
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262 | if (j % 10 == 0) { |
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263 | // we need to skip every tenth, to avoid overwriting |
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264 | j = 0; |
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265 | continue; |
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266 | } |
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267 | from.y = i; |
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268 | to.y = from.y; |
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269 | from.x = -SMALL_HEIGHT * step.x; |
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270 | to.x = SMALL_HEIGHT * step.x; |
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271 | from = mat2Graf(from, scrMin, scrMax, mMin, mMax); |
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272 | to = mat2Graf(to, scrMin, scrMax, mMin, mMax); |
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273 | SysColor = BLACK; |
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274 | _ksys_draw_line(from.x, from.y, to.x, to.y, SysColor); |
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275 | sprintf(buf, FORMAT, i, '\0'); |
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276 | strlentemp = strlen(buf); |
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277 | if (from.x > scrMin.x && (DELTA_SMALL > textheight(buf, strlentemp) * step.y)) { |
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278 | SysColor = SMALLFONTCOLOR; |
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279 | _ksys_draw_text(buf, from.x + TEXT_X, from.y - textheight(buf, strlentemp) / 2.0, strlentemp, SysColor); |
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280 | } |
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281 | } |
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282 | } |
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283 | |||
284 | } |
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285 | |||
286 | /* |
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287 | ends fucking piece of shit |
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288 | */ |
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289 | |||
290 | void drawFunction( function_t fi, TCoord scrMin, TCoord scrMax, |
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291 | TCoord mMin, TCoord mMax, int color) { |
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292 | double x; |
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293 | double y; |
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294 | int firstPoint = 1; |
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295 | TCoord p, p0 = {0.0, 0.0}, step; |
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296 | |||
297 | drawAxis(scrMin, scrMax, mMin, mMax); |
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298 | |||
299 | SysColor = color; |
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300 | step.x = (mMax.x - mMin.x) / (scrMax.x - scrMin.x); |
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301 | |||
302 | for (x = mMin.x; x < mMax.x; x += step.x) { |
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303 | y = fi(x); |
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304 | // function is defined here and gets in the range |
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305 | if (1) { // тут было условие, что функция правильно вычислена |
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306 | if ((y > mMin.y) && (y < mMax.y)) { |
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307 | p = mat2Graf(coord(x, y), scrMin, scrMax, mMin, mMax); |
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308 | // if it's our first point, only remember its coords |
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309 | // otherwise, draw a line from prev to current |
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310 | if (firstPoint == 0) { |
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311 | _ksys_draw_line(p0.x, p0.y, p.x, p.y, SysColor); |
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312 | } else firstPoint = 0; |
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313 | p0 = p; |
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314 | } |
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315 | else {// too big/small |
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316 | firstPoint = 1; |
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317 | } |
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318 | } |
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319 | else { // no value |
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320 | firstPoint = 1; |
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321 | } |
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322 | } |
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323 | |||
324 | } |
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325 | |||
326 | // итоговая версия читалки текстовых файлов |
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327 | int load_points3() { |
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328 | ksys_bdfe_t bdfe; |
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329 | int filePointer = 0; |
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330 | |||
331 | int i,j,k; |
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332 | double d; |
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333 | dword filesize, num_number; |
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334 | |||
335 | double* p2=0; |
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336 | |||
337 | // get file size |
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338 | int rr = _ksys_file_get_info(edit_path, &bdfe); |
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339 | sprintf(debuf, "getsize: %d\n", rr); |
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340 | _ksys_debug_puts(debuf); |
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341 | if (rr != 0) { |
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342 | _ksys_draw_text((char*)er_file_not_found, 10, 10, strlen(er_file_not_found), 0x90FF0000); |
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343 | return 0; |
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344 | } |
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345 | |||
346 | filesize = bdfe.size; |
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347 | num_number = filesize / 2; |
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348 | |||
349 | HugeBuf = (char*)malloc(filesize + 1); // разбираем как строку, отсюда терминатор \0 |
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350 | |||
351 | for (i=0;i |
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352 | HugeBuf[i] = 0; |
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353 | |||
354 | rr = _ksys_file_read_file(edit_path, 0, filesize, HugeBuf, nullptr); |
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355 | sprintf(debuf, "read3: %d\n", rr); |
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356 | _ksys_debug_puts(debuf); |
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357 | |||
358 | strcpy(full_head, header); |
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359 | strcpy(full_head+strlen(full_head), " - "); |
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360 | strcpy(full_head+strlen(full_head), edit_path); // bad code |
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361 | |||
362 | // а теперь разобраться в этом |
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363 | |||
364 | i=0; |
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365 | k=0; |
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366 | while (i < filesize) { |
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367 | |||
368 | while (isalpha(HugeBuf[i]) && i |
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369 | if (i == filesize) break; |
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370 | if (k==4 && HugeBuf[i] == '=') { |
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371 | //sprintf(debuf,"function: %S",HugeBuf + i); |
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372 | //_ksys_debug_puts(debuf); |
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373 | // we have a function here |
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374 | //HugeBuf[0] = ' '; |
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375 | funct = HugeBuf + i + 1; |
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376 | strcpy(full_head+strlen(full_head), ". Function y="); |
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377 | strcpy(full_head+strlen(full_head), funct); |
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378 | return 1; |
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379 | } |
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380 | |||
381 | d = convert(HugeBuf+i, &j); |
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382 | if (d == ERROR) { |
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383 | sprintf(debuf, "Error in input file, byte %d, count %d\n", i, k); |
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384 | _ksys_debug_puts(debuf); |
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385 | _ksys_draw_text((char*)debuf, 10, 10, strlen(debuf), 0x000000); |
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386 | return 0; |
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387 | } |
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388 | if (d == ERROR_END) { |
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389 | _ksys_debug_puts("EOF :)!\n"); |
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390 | break; |
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391 | } |
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392 | |||
393 | i+=j; |
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394 | switch (k) { |
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395 | case 0: |
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396 | x1=d; |
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397 | break; |
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398 | case 1: |
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399 | x2=d; |
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400 | break; |
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401 | case 2: |
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402 | y1=d; |
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403 | break; |
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404 | case 3: |
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405 | y2=d; |
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406 | break; |
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407 | default: { |
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408 | if (p2 == NULL) |
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409 | p2 = (double*)malloc(num_number * 8); |
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410 | p2[k-4]=d; |
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411 | } |
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412 | } |
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413 | k++; |
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414 | } |
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415 | // sprintf(debuf, "(%f,%f)-(%f,%f)",x1,y1,x2,y2); |
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416 | // _ksys_debug_puts(debuf); |
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417 | point_count=(k - 4)/2; |
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418 | |||
419 | // |
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420 | points = (double*)malloc(point_count * 2 * 8); |
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421 | for (i = 0; i < point_count * 2; i++) |
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422 | points[i] = p2[i]; |
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423 | free(p2); |
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424 | // sprintf(debuf, "count: %d\n", point_count); |
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425 | // _ksys_debug_puts(debuf); |
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426 | sprintf(debuf, ". Number of points: %u.", point_count); |
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427 | strcpy(full_head+strlen(full_head), debuf); |
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428 | free(HugeBuf); |
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429 | HugeBuf = NULL; |
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430 | return 1; |
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431 | } |
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432 | |||
433 | // вычислить заданную функцию или кусочно-линейную между точками |
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434 | double fu(double x) { |
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435 | int i; |
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436 | double res; |
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437 | |||
438 | if (funct) { |
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439 | set_exp(funct,x); |
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440 | get_exp(&res); // парсить для каждого значения х? да я с ума сошел. |
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441 | return res; |
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442 | } |
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443 | |||
444 | if (point_count == 0) { |
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445 | return 0.0; |
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446 | } |
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447 | |||
448 | if (x <= points[0]) |
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449 | return points[1]; |
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450 | if (x >= points[(point_count-1) * 2]) |
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451 | return points[(point_count-1) * 2 + 1]; |
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452 | |||
453 | for (i = 0; i < point_count; i++) { |
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454 | if ((x >= points[2 * i]) && (x < points[2 * (i + 1)])) |
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455 | break; |
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456 | } |
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457 | |||
458 | return (x - points[2 * i]) / (points[2 * (i + 1)] - points[2 * i]) |
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459 | * (points[2 * (i + 1) + 1] - points[2 * i + 1]) + points[2 * i + 1]; |
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460 | |||
461 | } |
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462 | |||
463 | void draw_window(void) { |
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464 | double xx0=0.0, yy0=0.0; |
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465 | |||
466 | _ksys_start_draw(); |
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467 | _ksys_create_window(100, 80, WND_W, WND_H, full_head, 0xFFFFFF, 0x33); |
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468 | _ksys_end_draw(); |
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469 | |||
470 | ksys_thread_t info; |
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471 | _ksys_thread_info(&info, 0xFFFFFFFF); |
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472 | int cWidth = info.winx_size - 9; |
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473 | int cHeight = info.winy_size - _ksys_get_skin_height() - 4; |
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474 | |||
475 | mybox.top = cHeight - 50; |
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476 | mybox.width = cWidth - mybox.left - 80; |
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477 | |||
478 | if (info.window_state&0x04) return; //draw nothing if window is rolled-up |
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479 | |||
480 | if (point_count == 0 && funct == NULL) { |
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481 | _ksys_draw_text((char *)empty_text, (cWidth - 8 * strlen(empty_text))/2,cHeight/2-25, strlen(empty_text), 0x90000000); |
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482 | } else { |
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483 | drawFunction(&fu, coord(10, 20), coord(cWidth - 20, cHeight - 70), coord(x1,y1), coord(x2,y2), 0x00ff0000); |
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484 | } |
||
485 | |||
486 | _ksys_draw_text((char*)str_filename, 15, mybox.top + 4, strlen(str_filename), 0x90000000); |
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487 | |||
488 | edit_box_draw(&mybox); |
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489 | |||
490 | _ksys_define_button(cWidth - 70, mybox.top, 50, 21, BTN_EDIT, 0xc0c0c0); |
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491 | _ksys_draw_text((char*)str_editfile, cWidth - 60, mybox.top + 4, 0, 0x90000000); |
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492 | } |
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493 | |||
494 | int main() { |
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495 | full_head = (char*)malloc(300); |
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496 | strcpy(full_head, "Graph"); |
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497 | _ksys_set_event_mask(0xC0000027); |
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498 | int event; |
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499 | while (1) { |
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500 | edit_box_mouse(&mybox); |
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501 | event = _ksys_get_event(); |
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502 | switch (event) { |
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503 | case KSYS_EVENT_REDRAW: |
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504 | draw_window(); |
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505 | break; |
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506 | case KSYS_EVENT_KEY: { |
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507 | ksys_oskey_t kc = _ksys_get_key(); |
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508 | switch (kc.code) { |
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509 | case 0x0D: |
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510 | if (HugeBuf) { |
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511 | //sprintf(debuf, "freemem: HugeBuf = %X", HugeBuf); |
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512 | //_ksys_debug_puts(debuf); |
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513 | free(HugeBuf); // что за баг - понять не могу. |
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514 | HugeBuf = nullptr; |
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515 | funct = nullptr; |
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516 | } |
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517 | if (points) { |
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518 | //sprintf(debuf, "freemem: points = %X", points); |
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519 | //_ksys_debug_puts(debuf); |
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520 | free(points); // и тут. ну не обращаюсь я к этому указателю, только память в него, потом снова выделяю |
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521 | points = nullptr; |
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522 | } |
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523 | point_count = 0; |
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524 | _ksys_draw_bar(10, 10, 200, 20, 0xFFFFFF); // фон для сообщений об ошибках |
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525 | if (load_points3()) |
||
526 | draw_window(); |
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527 | break; |
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528 | default: |
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529 | edit_box_key_safe(&mybox, kc); |
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530 | } |
||
531 | break; |
||
532 | } |
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533 | case KSYS_EVENT_BUTTON: { |
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534 | // button pressed; we have only one button, close |
||
535 | uint32_t button = _ksys_get_button(); |
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536 | if (button == BTN_QUIT) |
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537 | _ksys_exit(); |
||
538 | else if (button == BTN_EDIT) |
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539 | _ksys_exec("/sys/develop/cedit", edit_path); |
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540 | } |
||
541 | } |
||
542 | } |
||
543 | return 0; |
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544 | }>>=>>> |