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annotate anagram/vaclgui/agrect.hpp @ 18:562c313f14f4

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some minor updates for 2022
author David A. Holland
date Tue, 31 May 2022 02:03:50 -0400
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 1997-2002 Parsifal Software. All Rights Reserved.
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4 * See the file COPYING for license and usage terms.
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5 *
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6 * agrect.hpp
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7 */
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8
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9 #ifndef AGRECT_HPP
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10 #define AGRECT_HPP
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11
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12 #include <iwindow.hpp>
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13 //#include <irect.hpp>
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14 #include <windows.h>
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15
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16 #include "agstack.h"
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17 #include "cint.h"
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18
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19
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20 enum AgQuadrant {
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21 upperLeft, lowerLeft, upperRight, lowerRight
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22 };
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23
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24 enum AgAlignment {
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25 topLeft, topCenter, topRight,
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26 centerLeft, centerCenter, centerRight,
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27 bottomLeft, bottomCenter, bottomRight
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28 };
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29
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30 class AgRectangle {
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31 private:
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32 cint pos;
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33 cint sz;
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34 AgQuadrant anchor;
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35
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36 public:
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37 AgRectangle() : anchor(upperLeft) {}
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38 AgRectangle(RECT r);
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39 AgRectangle(IWindow *w);
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40 AgRectangle(cint size_);
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41 AgRectangle(cint loc, cint size_, AgQuadrant whichQuadrant = lowerRight);
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42 cint position(AgQuadrant whichCorner = upperLeft);
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43 AgRectangle &setSize(cint s);
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44 cint size() { return sz; }
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45 int area() { return sz.x*sz.y; }
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46 AgRectangle intersection(AgRectangle &r);
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47 AgRectangle &limit(cint size);
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48 static AgRectangle desktop();
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49 int operator < (const AgRectangle &r) const;
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50 };
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51
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52 struct LayoutRef {
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53 cint corner[4];
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54 AgStack<AgRectangle> stack;
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55
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56 LayoutRef(AgRectangle &r);
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57 cint position(AgQuadrant c) {
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58 return corner[c%4];
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59 }
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60 int overlap(AgRectangle &r);
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61 void merge(AgRectangle &r);
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62 };
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63
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64
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65 AgQuadrant opposite(AgQuadrant corner);
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66
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67
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68 #endif /* AGRECT_HPP */