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build/game

+6.000000 0.000000 2.700000 1.500000
+3.000000 180.000000 3.673043 1.888696
+0.000000 0.000000 2.264348 5.144348
+2.000000 0.000000 1.909565 4.820870
+4.000000 0.000000 6.281739 3.255652
+1.000000 225.000000 7.012174 4.090435
+5.000000 180.000000 1.867826 2.222609

include/draw.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <stddef.h>
+#include <windows.h>
+#include <olectl.h>
+#include <mmsystem.h>
+#include <wingdi.h>
+#include <ole2.h>
+#include <ocidl.h>
+#include <winuser.h>
+#include <conio.h>
+
+#include "graphics.h"
+#include "extgraph.h"
+#include "genlib.h"
+#include "simpio.h"
+#include "strlib.h"
+#include "linkedlist.h"
+#include "imgui.h"
+#include "game.h"
+#include "homepage.h"
+#include "game.h"
+#include "draw.h"
+
+
+double turn(double angle, double current_angle)
+{
+    current_angle += angle;
+    while (current_angle > 360.0)
+    {
+        current_angle -= 360.0;
+    }
+    return current_angle;
+}
+
+void move(double distance, double current_angle)
+{
+    double x = GetCurrentX();
+    double y = GetCurrentY();
+    MovePen(x + distance * cos(current_angle * 3.14 / 180), y + distance * sin(current_angle * 3.14 / 180));
+}
+
+void forward(double distance, double current_angle)
+{
+    DrawLine(distance * cos(current_angle * 3.14 / 180), distance * sin(current_angle * 3.14 / 180));
+}
+
+void draw_piece(void)
+{
+    double a = GetFontHeight() * 20;
+    double width = GetWindowWidth();
+    double height = GetWindowHeight();
+    double x, y, angle, now_num;
+    FILE *fp;
+    if ((fp = fopen("game", "r")) == NULL)
+    {
+        printf("error");
+        exit(0);
+    }
+    while (feof(fp) == 0)
+    {
+        fscanf(fp, "%lf %lf %lf %lf\n", &now_num, &angle, &x, &y);
+        //    printf("%lf\n", now_num);
+        SetPenColor("blue");
+        switch ((int)now_num + 1)
+        {
+        case 1:
+        case 2:
+        {
+            MovePen(x, y);
+            StartFilledRegion(1);
+            forward(a / sqrt(2), angle);
+            angle = turn(-135 + 360, angle);
+            forward(a, angle);
+            angle = turn(-135 + 360, angle);
+            forward(a / sqrt(2), angle);
+            angle = turn(-90 + 360, angle);
+            EndFilledRegion();
+            break;
+        }
+        case 3:
+        {
+            MovePen(x, y);
+            StartFilledRegion(1);
+            forward(a / 2, angle);
+            angle = turn(360 - 135, angle);
+            forward(a / sqrt(2), angle);
+            angle = turn(360 - 135, angle);
+            forward(a / 2, angle);
+            angle = turn(-90 + 360, angle);
+            EndFilledRegion();
+            break;
+        }
+        case 4:
+        {
+            MovePen(x, y);
+            StartFilledRegion(1);
+            forward(a / sqrt(2) / 2, angle);
+            angle = turn(270, angle);
+            forward(a / sqrt(2) / 2, angle);
+            angle = turn(270, angle);
+            forward(a / sqrt(2) / 2, angle);
+            angle = turn(270, angle);
+            forward(a / sqrt(2) / 2, angle);
+            angle = turn(270, angle);
+            EndFilledRegion();
+            break;
+        }
+        case 5:
+        {
+            MovePen(x, y);
+            StartFilledRegion(1);
+            forward(a / 2, angle);
+            angle = turn(360 - 135, angle);
+            forward(a / 2 / sqrt(2), angle);
+            angle = turn(360 - 45, angle);
+            forward(a / 2, angle);
+            angle = turn(360 - 135, angle);
+            forward(a / 2 / sqrt(2), angle);
+            angle = turn(-45 + 360, angle);
+            EndFilledRegion();
+            break;
+        }
+        case 6:
+        case 7:
+        {
+            MovePen(x, y);
+            StartFilledRegion(1);
+            forward(a / 2 / sqrt(2), angle);
+            angle = turn(360 - 135, angle);
+            forward(a / 2, angle);
+            angle = turn(360 - 135, angle);
+            forward(a / 2 / sqrt(2), angle);
+            angle = turn(-90 + 360, angle);
+            EndFilledRegion();
+            break;
+        }
+        }
+        MovePen(x, y);
+       // forward(GetFontHeight() / 4, angle);
+        SetPenColor("red");
+        StartFilledRegion(1);
+        DrawArc(GetFontHeight() / 4, 0, 360);
+        EndFilledRegion();
+    }
+    fclose(fp);
+}
+
+void draw_figure(num)
+{
+    double a = GetFontHeight() * 20;
+    double width = GetWindowWidth();
+    double height = GetWindowHeight();
+    double x = width / 10 * 6;
+    double y = height / 10 * 4;
+    switch (num)
+    {
+    case 1:
+    {
+        MovePen(x, y);
+        draw_figure_first(a, x, y);
+        break;
+    }
+    case 2:
+    {
+        break;
+    }
+    case 3:
+    {
+        break;
+    }
+    case 4:
+    {
+        break;
+    }
+    case 5:
+    {
+        break;
+    }
+    }
+}
\ No newline at end of file

include/draw.h

+#ifndef _draw_h
+#define _draw_h
+/**
+ * 
+*/
+double turn(double angle, double current_angle);
+
+void move(double distance, double current_angle);
+
+void forward(double distance, double current_angle);
+
+void draw_piece(void);
+
+void draw_figure(int num);
+
+#endif
\ No newline at end of file

include/exception.c

+/*
+ * File: exception.c
+ * Version: 1.0
+ * Last modified on Sun Jul 24 10:28:11 1994 by eroberts
+ * -----------------------------------------------------
+ * This file implements the C exception handler.  Much of the
+ * real work is done in the exception.h header file.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "genlib.h"
+#include "gcalloc.h"
+#include "exception.h"
+
+/*
+ * Constant: MaxUnhandledMessage
+ * -----------------------------
+ * This constant should be large enough to accommodate the
+ * unhandled exception message, including the exception name.
+ */
+
+#define MaxUnhandledMessage 100
+
+/* Publically accessible exceptions */
+
+exception ANY = { "ANY" };
+exception ErrorException = { "ErrorException" };
+
+/*
+ * Global variable: exceptionStack
+ * -------------------------------
+ * This variable is the head pointer to a linked list of
+ * context blocks that act as the exception stack.  The chain
+ * pointer is referenced by the macros in exception.h and must
+ * therefore be exported, but clients should not reference it
+ * directly.
+ */
+
+context_block *exceptionStack = NULL;
+
+/* Private function prototypes */
+
+static context_block *FindHandler(exception *e);
+
+/* Public entries */
+
+/*
+ * Function: RaiseException
+ * ------------------------
+ * This function operates by finding an appropriate handler
+ * and then using longjmp to return to the context stored
+ * there after resetting the exception stack.  If no handler
+ * exists, the function notes an unhandled exception.  Much
+ * of the complexity comes from the fact that allocation
+ * within the exception handler may fail.
+ */
+
+void RaiseException(exception *e, string name, void *value)
+{
+    context_block *cb;
+    char errbuf[MaxUnhandledMessage + 1];
+    string errmsg;
+    int errlen;
+
+    cb = FindHandler(e);
+    if (cb == NULL) {
+        sprintf(errbuf, "Unhandled exception (%.30s)", name);
+        errlen = strlen(errbuf);
+        if (_acb == NULL) {
+            errmsg = malloc(errlen + 1);
+        } else {
+            errmsg = _acb->allocMethod(errlen + 1);
+        }
+        if (errmsg == NULL) {
+            errmsg = "Unhandled exception: unknown";
+        } else {
+            strcpy(errmsg, errbuf);
+        }
+        Error(errmsg);
+    }
+    exceptionStack = cb;
+    cb->id = e;
+    cb->value = value;
+    cb->name = name;
+    longjmp(cb->jmp, ES_Exception);
+}
+
+/*
+ * Function: HandlerExists
+ * -----------------------
+ * This public entry is used primarily by the Error function
+ * to determine if ErrorException has been trapped, although
+ * it is available to other clients as well.
+ */
+
+bool HandlerExists(exception *e)
+{
+    return (FindHandler(e) != NULL);
+}
+
+/* Private functions */
+
+/*
+ * Function: FindHandler
+ * ---------------------
+ * This function searches the exception stack to find the
+ * first active handler for the indicated exception.  If a
+ * match is found, the context block pointer is returned.
+ * If not, FindHandler returns NULL.
+ */
+
+static context_block *FindHandler(exception *e)
+{
+    context_block *cb;
+    exception *t;
+    int i;
+
+    for (cb = exceptionStack; cb != NULL; cb = cb->link) {
+        for (i = 0; i < cb->nx; i++) {
+            t = cb->array[i];
+            if (t == e || t == &ANY) return (cb);
+        }
+    }
+    return (NULL);
+}

include/exception.h

+/*
+ * File: exception.h
+ * Version: 1.0
+ * Last modified on Sun Jul 24 10:26:20 1994 by eroberts
+ * -----------------------------------------------------
+ * The exception package provides a general exception
+ * handling mechanism for use with C that is portable
+ * across a variety of compilers and operating systems.
+ */
+
+#ifndef _exception_h
+#define _exception_h
+
+/*
+ * Overview:
+ * --------
+ * The exception package makes it possible for clients to
+ * specify a handler for an exceptional conditions in a
+ * syntactically readable way.  As a client, your first step
+ * is to declare an exception condition name by declaring
+ * a variable of type exception, as in
+ *
+ *       exception MyException;
+ *
+ * Normal visibility rules apply, so that you should declare
+ * the exception variable at the appropriate level.  For
+ * example, if an exception is local to an implementation,
+ * it should be declared statically within that module.  If
+ * an exception condition is shared by many modules, the
+ * exception variable should be declared in an interface
+ * and exported to all clients that need it.  This package
+ * defines and exports the exception ErrorException, which
+ * is likely to be sufficient for many clients.
+ *
+ * The basic functionality of exceptions is that one piece
+ * of code can "raise" an exception so that it can then be
+ * "handled" by special code in a dynamically enclosing
+ * section of the program.  Exceptions are raised by calling
+ * the pseudo-function raise with the exception name, as in
+ *
+ *     raise(MyException);
+ *
+ * Exceptions are handled using the "try" statement
+ * (actually implemented using macros), which has the form:
+ *
+ *     try {
+ *        . . . statements in the body of the block . . .
+ *     except(exception1)
+ *        . . . statements to handle exception 1 . . .
+ *     except(exception2)
+ *        . . . statements to handle exception 2 . . .
+ *     except(ANY)
+ *        . . . statements to handle any exception . . .
+ *     } endtry
+ *
+ * Any number of except clauses may appear (up to a
+ * maximum defined by the constant MaxExceptionsPerScope),
+ * and the ANY clause is optional.
+ *
+ * When the program encounters the "try" statement, the
+ * statements in the body are executed.  If no exception
+ * conditions are raised during that execution, either
+ * in this block or by a function call nested inside
+ * this block, control passes to the end of the "try"
+ * statement when the last statement in the block is
+ * executed.  If an exception is raised during the
+ * dynamic execution of the block, control immediately
+ * passes to the statements in the appropriate except
+ * clause.  Only the statements in that clause are
+ * executed; no break statement is required to exit
+ * the block.  If no handler for the raised exception
+ * appears anywhere in the control history, the program
+ * exits with an error.
+ *
+ * Examples of use:
+ *
+ * 1.  Catching errors.
+ *
+ * The following code fragment traps calls to Error, so
+ * that the program does not quit but instead returns
+ * to the top-level read-and-execute loop.
+ *
+ *     while (TRUE) {
+ *         try {
+ *             printf("> ");
+ *             cmd = ReadCommand();
+ *             ExecuteCommand(cmd);
+ *         except(ErrorException)
+ *             -- additional handling code, if any --
+ *         } endtry
+ *     }
+ *
+ * If either ReadCommand or ExecuteCommand calls Error,
+ * control will be passed back to the main loop, after
+ * executing any additional handler code.  (The error
+ * message is printed by the Error routine, so it is
+ * often the case that no additional work is needed.)
+ *
+ * 2.  Handling control-C
+ *
+ * The following code extends the example above so that
+ * typing ^C also returns to top-level.
+ *
+ *     #include <signal.h>
+ *
+ *     static exception ControlCException;
+ *     static int errorCount = 0;
+ *     static int ControlCHandler();
+ *
+ *     main()
+ *     {
+ *         string cmd;
+ *
+ *         signal(SIGINT, ControlCHandler);
+ *         while (TRUE) {
+ *             try {
+ *                 printf("> ");
+ *                 cmd = ReadCommand();
+ *                 ExecuteCommand(cmd);
+ *             except(ControlCException);
+ *                 printf("^C\n");
+ *                 signal(SIGINT, ControlCHandler);
+ *             except(ErrorException)
+ *                 errorCount++;
+ *             } endtry
+ *         }
+ *     }
+ *
+ *     static int ControlCHandler()
+ *     {
+ *         raise(ControlCException);
+ *     }
+ */
+
+/*
+ * Actual interface specification
+ * ------------------------------
+ * Most of the implementation of the exception mechanism is
+ * actually done in the macros defined by this file.
+ * Clients should ordinarily be able to read the description
+ * above and ignore the detailed code below.
+ */
+
+#include <setjmp.h>
+#include <string.h>
+#include "genlib.h"
+
+/* Define parameters and error status indicators */
+
+#define MaxExceptionsPerScope 10
+#define ETooManyExceptClauses 101
+#define EUnhandledException 102
+
+/* Codes to keep track of the state of the try handler */
+
+#define ES_Initialize 0
+#define ES_EvalBody 1
+#define ES_Exception 2
+
+/*
+ * Type: exception
+ * ---------------
+ * Exceptions are specified by their address, so that the
+ * actual structure does not matter.  Strings are used here
+ * so that exporters of exceptions can store the exception
+ * name for the use of debuggers and other tools.
+ */
+
+typedef struct { string name; } exception;
+
+/*
+ * Type: context_block
+ * -------------------
+ * This structure is used internally to maintain a chain of
+ * exception scopes on the control stack.
+ */
+
+typedef struct ctx_block {
+    jmp_buf jmp;
+    int nx;
+    exception *array[MaxExceptionsPerScope];
+    exception *id;
+    void *value;
+    string name;
+    struct ctx_block *link;
+} context_block;
+
+/* Declare the built-in exceptions */
+
+extern exception ErrorException;
+extern exception ANY;
+
+/* Declare a global pointer to the context stack */
+
+extern context_block *exceptionStack;
+
+/*
+ * Function: RaiseException
+ * Usage: RaiseException(&e, name, value);
+ * ---------------------------------------
+ * This function is called by the raise macro and does the
+ * work necessary to raise the exception.  See the exception.c file
+ * for details.  Clients do not ordinarily call this directly.
+ */
+
+void RaiseException(exception *e, string name, void *value);
+
+/*
+ * Function: HandlerExists
+ * Usage: if (HandlerExists(&e)) ...
+ * ---------------------------------
+ * Determines whether a handler exists for an exception in
+ * the dynamically enclosing scope.  Intended only for use
+ * by special clients, such as the Error package.
+ */
+
+bool HandlerExists(exception *e);
+
+/* Define the pseudo-functions for raise and try */
+
+#define raise(e) RaiseException(&e, #e, NULL)
+
+#define try \
+      { \
+          jmp_buf _tmpbuf; \
+          context_block _ctx; \
+          volatile int _es; \
+          _es = ES_Initialize; \
+          _ctx.nx = 0; \
+          _ctx.link = exceptionStack; \
+          exceptionStack = (context_block *) &_ctx; \
+          if (setjmp(_tmpbuf) != 0) _es = ES_Exception; \
+          memcpy((void *) _ctx.jmp, (void *) _tmpbuf, sizeof(jmp_buf)); \
+          while (1) { \
+              if (_es == ES_EvalBody)
+
+#define except(e) \
+                  if (_es == ES_EvalBody) exceptionStack = _ctx.link; \
+                  break; \
+              } \
+              if (_es == ES_Initialize) { \
+                  if (_ctx.nx >= MaxExceptionsPerScope) \
+                      exit(ETooManyExceptClauses); \
+                  _ctx.array[_ctx.nx++] = &e; \
+              } else if (_ctx.id == &e || &e == &ANY) { \
+                  exceptionStack = _ctx.link;
+
+#define endtry \
+              if (_es != ES_Initialize) break; \
+              _es = ES_EvalBody; \
+          } \
+      }
+
+#define GetExceptionName() _ctx.name
+#define GetExceptionValue() _ctx.value
+#define GetCurrentException() _ctx.id
+
+#endif

include/extgraph.h

+/*
+ * File: extgraph.h
+ * Version: 3.0
+ * Last modified on Tue Oct  4 11:24:41 1994 by eroberts
+ * -----------------------------------------------------
+ * This interface is the extended graphics interface.
+ * It includes all of the facilities in graphics.h, plus
+ * several additional functions that are designed to
+ * support more sophisticated, interactive graphics.
+ */
+
+#ifndef _extgraph_h
+#define _extgraph_h
+
+#include "genlib.h"
+
+/* Exported functions */
+
+/* Section 1 -- Basic functions from graphics.h */
+
+#include "graphics.h"
+
+/* Section 2 -- Elliptical arcs */
+
+/*
+ * Function: DrawEllipticalArc
+ * Usage: DrawEllipticalArc(rx, ry, start, sweep);
+ * -----------------------------------------------
+ * This procedure draws an elliptical arc.  It is exactly
+ * the same in its operation as DrawArc in the graphics.h
+ * interface, except that the radius is different along the
+ * two axes.
+ */
+
+void DrawEllipticalArc(double rx, double ry,
+                       double start, double sweep);
+
+/* Section 3 -- Graphical regions*/
+
+/*
+ * Functions: StartFilledRegion, EndFilledRegion
+ * Usage: StartFilledRegion(density);
+ *        . . . other calls . . .
+ *        EndFilledRegion();
+ * ------------------------------
+ * These calls make it possible to draw filled shapes on the
+ * display.  After calling StartFilledRegion, any calls to
+ * DrawLine and DrawArc are used to create a shape definition
+ * and do not appear on the screen until EndFilledRegion is
+ * called.  The lines and arcs must be consecutive, in the
+ * sense that each new element must start where the last
+ * one ended.  MovePen calls may occur at the beginning
+ * or the end of the region, but not in the interior. When
+ * EndFilledRegion is called, the entire region appears on the
+ * screen, with its interior filled in.  The density parameter
+ * is a number between 0 and 1 and indicates how the dot density
+ * to be used for the fill pattern.  If density is 1, the shape
+ * will be filled in a solid color; if it is 0, the fill will be
+ * invisible.  In between, the implementation will use a dot
+ * pattern that colors some of the screen dots but not others.
+ */
+
+void StartFilledRegion(double density);
+void EndFilledRegion(void);
+
+/* Section 4 -- String functions */
+
+/*
+ * Function: DrawTextString
+ * Usage: DrawTextString(text);
+ * ----------------------------
+ * This function displays the string text at the current point
+ * in the current font and size.  The current point is updated
+ * so that the next DrawTextString command would continue from
+ * the next character position.  The string may not include the
+ * newline character.
+ */
+
+void DrawTextString(string text);
+
+/*
+ * Function: TextStringWidth
+ * Usage: w = TextStringWidth(text);
+ * ---------------------------------
+ * This function returns the width of the text string if displayed
+ * at the current font and size.
+ */
+
+double TextStringWidth(string text);
+
+/*
+ * Function: SetFont
+ * Usage: SetFont(font);
+ * ---------------------
+ * This function sets a new font according to the font string,
+ * which is case-independent.  Different systems support different
+ * fonts, although common ones like "Times" and "Courier" are often
+ * supported.  Initially, the font is set to "Default" which is
+ * always supported, although the underlying font is system
+ * dependent.  If the font name is unrecognized, no error is
+ * generated, and the font remains unchanged.  If you need to
+ * detect this condition, you can call GetFont to see if the
+ * change took effect.  By not generating an error in this case,
+ * programs become more portable.
+ */
+
+void SetFont(string font);
+
+/*
+ * Function: GetFont
+ * Usage: font = GetFont();
+ * ------------------------
+ * This function returns the current font name as a string.
+ */
+
+string GetFont(void);
+
+/*
+ * Function: SetPointSize
+ * Usage: SetPointSize(size);
+ * --------------------------
+ * This function sets a new point size.  If the point size is
+ * not supported for a particular font, the closest existing
+ * size is selected.
+ */
+
+void SetPointSize(int size);
+
+/*
+ * Function: GetPointSize
+ * Usage: size = GetPointSize();
+ * -----------------------------
+ * This function returns the current point size.
+ */
+
+int GetPointSize(void);
+
+/*
+ * Text style constants
+ * --------------------
+ * The constants Bold and Italic are used in the SetStyle
+ * command to specify the desired text style.  They may also
+ * be used in combination by adding these constants together,
+ * as in Bold + Italic.  The constant Normal indicates the
+ * default style.
+ */
+
+#define Normal  0
+#define Bold    1
+#define Italic  2
+
+/*
+ * Function: SetStyle
+ * Usage: SetStyle(style);
+ * -----------------------
+ * This function establishes the current style properties
+ * for text based on the parameter style, which is an integer
+ * representing the sum of any of the text style constants.
+ */
+
+void SetStyle(int style);
+
+/*
+ * Function: GetStyle
+ * Usage: style = GetStyle();
+ * --------------------------
+ * This function returns the current style.
+ */
+
+int GetStyle(void);
+
+/*
+ * Functions: GetFontAscent, GetFontDescent, GetFontHeight
+ * Usage: ascent = GetFontAscent();
+ *        descent = GetFontDescent();
+ *        height = GetFontHeight();
+ * -------------------------------------------------------
+ * These functions return properties of the current font that are
+ * used to calculate how to position text vertically on the page.
+ * The ascent of a font is the distance from the baseline to the
+ * top of the largest character; the descent is the maximum
+ * distance any character extends below the baseline.  The height
+ * is the total distance between two lines of text, including the
+ * interline space (which is called leading).
+ *
+ * Examples:
+ *   To change the value of y so that it indicates the next text
+ *   line, you need to execute
+ *
+ *        y -= GetFontHeight();
+ *
+ *   To center text vertically around the coordinate y, you need
+ *   to start the pen at
+ *
+ *       y - GetFontAscent() / 2
+ */
+
+double GetFontAscent(void);
+double GetFontDescent(void);
+double GetFontHeight(void);
+
+/* Section 5 -- Mouse support */
+
+/*
+ * Functions: GetMouseX, GetMouseY
+ * Usage: x = GetMouseX();
+ *        y = GetMouseY();
+ * -------------------------------
+ * These functions return the x and y coordinates of the mouse,
+ * respectively.  The coordinate values are real numbers measured
+ * in inches from the origin and therefore match the drawing
+ * coordinates.
+ */
+
+double GetMouseX(void);
+double GetMouseY(void);
+
+/*
+ * Functions: MouseButtonIsDown
+ * Usage: if (MouseButtonIsDown()) . . .
+ * -------------------------------------
+ * This function returns TRUE if the mouse button is currently
+ * down.  For maximum compatibility among implementations, the
+ * mouse is assumed to have one button.  If the mouse has more
+ * than one button, this function returns TRUE if any button
+ * is down.
+ */
+
+bool MouseButtonIsDown(void);
+
+/*
+ * Functions: WaitForMouseDown, WaitForMouseUp
+ * Usage: WaitForMouseDown();
+ *        WaitForMouseUp();
+ * -------------------------------------------
+ * The WaitForMouseDown function waits until the mouse button
+ * is pressed and then returns.  WaitForMouseUp waits for the
+ * button to be released.
+ */
+
+void WaitForMouseDown(void);
+void WaitForMouseUp(void);
+
+/* Section 6 -- Color support */
+
+/*
+ * Function: HasColor
+ * Usage: if (HasColor()) . . .
+ * ----------------------------
+ * This function returns TRUE if the graphics window can display a
+ * color image.  Note that this condition is stronger than simply
+ * checking whether a color display is available.  Because color
+ * windows require more memory than black and white ones, this
+ * function will return FALSE with a color screen if there is
+ * not enough memory to store a colored image.  On the Macintosh,
+ * for example, it is usually necessary to increase the partition
+ * size to at least 1MB before color windows can be created.
+ */
+
+bool HasColor(void);
+
+/*
+ * Function: SetPenColor
+ * Usage: SetPenColor(color);
+ * --------------------------
+ * This function sets the color of the pen used for any drawing,
+ * including lines, text, and filled regions.  The color is a
+ * string, which will ordinarily be one of the following
+ * predefined color names:
+ *
+ *    Black, Dark Gray, Gray, Light Gray, White,
+ *    Red, Yellow, Green, Cyan, Blue, Magenta
+ *
+ * The first line corresponds to standard gray scales and the
+ * second to the primary and secondary colors of light.  The
+ * built-in set is limited to these colors because they are
+ * likely to be the same on all hardware devices.  For finer
+ * color control, you can use the DefineColor function to
+ * create new color names as well.
+ */
+
+void SetPenColor(string color);
+
+/*
+ * Function: GetPenColor
+ * Usage: color = GetPenColor();
+ * -----------------------------
+ * This function returns the current pen color as a string.
+ */
+
+string GetPenColor(void);
+
+/*
+ * Function: SetPenSize
+ * Usage: SetPenSize(size);
+ * -----------------------------------------
+ * This function sets the size(in pixels) of the pen used for any drawing.
+ */
+
+void SetPenSize(int size);
+
+/*
+ * Function: GetPenSize
+ * Usage: size = GetPenSize();
+ * -----------------------------------------
+ * This function returns the size(in pixels) of the pen used for any drawing.
+ */
+
+int GetPenSize(void);
+
+/*
+ * Function: DefineColor
+ * Usage: DefineColor(name, red, green, blue);
+ * -------------------------------------------
+ * This function allows the client to define a new color name
+ * by supplying intensity levels for the colors red, green,
+ * and blue, which are the primary colors of light.  The
+ * color values are provided as real numbers between 0 and 1,
+ * indicating the intensity of that color.  For example,
+ * the predefined color Magenta has full intensity red and
+ * blue but no green and is therefore defined as:
+ *
+ *      DefineColor("Magenta", 1, 0, 1);
+ *
+ * DefineColor allows you to create intermediate colors on
+ * many displays, although the results vary significantly
+ * depending on the hardware.  For example, the following
+ * usually gives a reasonable approximation of brown:
+ *
+ *      DefineColor("Brown", .35, .20, .05);
+ */
+
+void DefineColor(string name,
+                 double red, double green, double blue);
+
+/* Section 7 -- Miscellaneous functions */
+
+/*
+ * Function: SetEraseMode
+ * Usage: SetEraseMode(TRUE);
+ *        SetEraseMode(FALSE);
+ * ---------------------------
+ * The SetEraseMode function sets the value of the internal
+ * erasing flag.  Setting this flag is similar to setting the
+ * color to "White" in its effect but does not affect the
+ * current color setting.  When erase mode is set to FALSE,
+ * normal drawing is restored, using the current color.
+ */
+
+void SetEraseMode(bool mode);
+
+/*
+ * Function: GetEraseMode
+ * Usage: mode = GetEraseMode();
+ * -----------------------------
+ * This function returns the current state of the erase mode flag.
+ */
+
+bool GetEraseMode(void);
+
+/*
+ * Function: SetWindowTitle
+ * Usage: SetWindowTitle(title);
+ * -----------------------------
+ * This function sets the title of the graphics window, if such
+ * an operation is possible on the display.  If it is not possible
+ * for a particular implementation, the call is simply ignored.
+ * This function may be called prior to the InitGraphics call to
+ * set the initial name of the window.
+ */
+
+void SetWindowTitle(string title);
+
+/*
+ * Function: GetWindowTitle
+ * Usage: title = GetWindowTitle();
+ * --------------------------------
+ * This function returns the title of the graphics window.  If the
+ * implementation does not support titles, this call returns the
+ * empty string.
+ */
+
+string GetWindowTitle(void);
+
+/*
+ * Function: UpdateDisplay
+ * Usage: UpdateDisplay();
+ * -----------------------
+ * This function initiates an immediate update of the graphics
+ * window and is necessary for animation.  Ordinarily, the
+ * graphics window is updated only when the program waits for
+ * user input.
+ */
+
+void UpdateDisplay(void);
+
+/*
+ * Function: Pause
+ * Usage: Pause(seconds);
+ * ----------------------
+ * The Pause function updates the graphics window and then
+ * pauses for the indicated number of seconds.  This function
+ * is useful for animation where the motion would otherwise
+ * be too fast.
+ */
+
+void Pause(double seconds);
+
+/*
+ * Function: ExitGraphics
+ * Usage: ExitGraphics();
+ * ----------------------
+ * The ExitGraphics function closes the graphics window and
+ * exits from the application without waiting for any additional
+ * user interaction.
+ */
+
+void ExitGraphics(void);
+
+/*
+ * Functions: SaveGraphicsState, RestoreGraphicsState
+ * Usage: SaveGraphicsState();
+ *        . . . graphical operations . . .
+ *        RestoreGraphicsState();
+ * ---------------------------------------------------
+ * The SaveGraphicsState function saves the current graphics
+ * state (the current pen position, the font, the point size,
+ * and the erase mode flag) internally, so that they can be
+ * restored by the next RestoreGraphicsState call.  These two
+ * functions must be used in pairs but may be nested to any depth.
+ */
+
+void SaveGraphicsState(void);
+void RestoreGraphicsState(void);
+
+/*
+ * Functions: GetFullScreenWidth, GetFullScreenHeight
+ * Usage: width = GetFullScreenWidth();
+ *        height = GetFullScreenHeight();
+ * --------------------------------------
+ * These functions return the height and width of the entire
+ * display screen, not the graphics window.  Their only
+ * significant use is for applications that need to adjust
+ * the size of the graphics window based on available screen
+ * space.  These functions may be called before InitGraphics
+ * has been called.
+ */
+
+double GetFullScreenWidth(void);
+double GetFullScreenHeight(void);
+
+/*
+ * Functions: SetWindowSize
+ * Usage: SetWindowSize(width, height);
+ * ------------------------------------
+ * This function sets the window size to the indicated dimensions,
+ * if possible.  This function should be called before the graphics
+ * window is created by InitGraphics.  Attempts to change the size
+ * of an existing window are ignored by most implementations.  This
+ * function should be used sparingly because it reduces the
+ * portability of applications, particularly if the client
+ * requests more space than is available on the screen.
+ */
+
+void SetWindowSize(double width, double height);
+
+/*
+ * Functions: GetXResolution, GetYResolution
+ * Usage: xres = GetXResolution();
+ *        yres = GetYResolution();
+ * -----------------------------------------
+ * These functions return the number of pixels per inch along
+ * each of the coordinate directions and are useful for applications
+ * in which it is important for short distances to be represented
+ * uniformly in terms of dot spacing.  Even though the x and y
+ * resolutions are the same for most displays, clients should
+ * not rely on this property.
+ *
+ * Note: Lines in the graphics library are one pixel unit wide and
+ * have a length that is always one pixel longer than you might
+ * expect.  For example, the function call
+ *
+ *     DrawLine(2 / GetXResolution(), 0);
+ *
+ * draws a line from the current point to the point two pixels
+ * further right, which results in a line of three pixels.
+ */
+ 
+double GetXResolution(void);
+double GetYResolution(void);
+ 
+/*pixels to inches*/
+double ScaleXInches(int x);
+double ScaleYInches(int y);
+
+#endif

include/game.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <stddef.h>
+#include <windows.h>
+#include <olectl.h>
+#include <mmsystem.h>
+#include <wingdi.h>
+#include <ole2.h>
+#include <ocidl.h>
+#include <winuser.h>
+#include <conio.h>
+
+#include "graphics.h"
+#include "extgraph.h"
+#include "genlib.h"
+#include "simpio.h"
+#include "strlib.h"
+#include "linkedlist.h"
+#include "imgui.h"
+#include "draw.h"
+#include "homepage.h"
+#include "game.h"
+
+extern int rotate_figure;
+
+struct part
+{
+    double number;
+    double angle;
+    double particle_x;
+    double particle_y;
+    struct part *next;
+};
+
+void loading(int num)
+{
+    double a = GetFontHeight() * 16;
+    double x = GetWindowWidth();
+    double y = GetWindowHeight();
+    FILE *fp_load;
+    if ((fp_load = fopen("game", "w")) == NULL)
+    {
+        printf("cannot open this file6\n");
+        exit(0);
+    }
+    int i, j;
+    struct part *p, *head, *temp;
+    p = NULL;
+    head = NULL;
+    temp = NULL;
+    double str_x[7] =
+        {
+            x / 20,
+            x / 11 * 5,
+            x / 20,
+            x / 20 * 8,
+            x / 10,
+            x / 11 * 6,
+            x / 10 * 3};
+    double str_y[7] =
+        {
+            y / 20 * 19,
+            y / 20 * 12,
+            y / 40 * 21,
+            y / 20 * 7,
+            y / 20 * 5,
+            y / 20 * 7,
+            y / 20 * 5};
+    for (i = 0; i < 7; i++)
+    {
+        p = (struct part *)malloc(sizeof(struct part));
+        p->number = i;
+        if (i % 2 == 0)
+        {
+            p->angle = 0.0;
+        }
+        else
+        {
+            p->angle = 180.0;
+        }
+        p->particle_x = str_x[i];
+        p->particle_y = str_y[i];
+        if (head == NULL)
+        {
+            head = p;
+            temp = head;
+            p->next = NULL;
+        }
+        else
+        {
+            while (temp->next)
+            {
+                temp = temp->next;
+            }
+            temp->next = p;
+            p->next = NULL;
+        }
+    }
+    p = head;
+    i = 0;
+    while (p)
+    {
+        fprintf(fp_load, "%lf ", (double)p->number);
+        fprintf(fp_load, "%lf ", p->angle);
+        fprintf(fp_load, "%lf ", p->particle_x);
+        fprintf(fp_load, "%lf\n", p->particle_y);
+        //   printf("%lf", (double)p->number);
+        // printf("%d", i++);
+        temp = p->next;
+        free(p);
+        p = temp;
+    }
+    fclose(fp_load);
+    draw_piece();
+    draw_figure(num);
+}
+
+void rotate()
+{
+    if (button(GenUIID(0), GetWindowWidth() / 10 * 5, GetWindowHeight() / 10, GetWindowWidth() / 8, GetFontHeight() * 2, "rotate"))
+    {
+      //  printf("yyy\n");
+        double now_num[7], x[7], y[7], angle[7];
+        FILE *fp;
+        if ((fp = fopen("game", "r")) == NULL)
+        {
+            printf("cannot open this file5\n");
+            exit(0);
+        }
+        int i;
+      //  printf("%d\n", rotate_figure);
+        for (i = 0; i < 7; i++)
+        {
+            fscanf(fp, "%lf %lf %lf %lf\n", &now_num[i], &angle[i], &x[i], &y[i]);
+          //  printf("%lf %lf %lf %lf\n", now_num[i], angle[i], x[i], y[i]);
+            if ((int)now_num[i] == rotate_figure)
+            {
+
+              //  printf("www");
+                angle[i] += 45;
+                while (angle[i] > 360.0)
+                {
+                    angle[i] -= 360.0;
+                }
+            }
+          //  printf("%lf %lf %lf %lf\n\n", now_num[i], angle[i], x[i], y[i]);
+        }
+        fclose(fp);
+        FILE *fp_open;
+        if ((fp_open = fopen("game", "w")) == NULL)
+        {
+            printf("cannot open this file4\n");
+            exit(0);
+        }
+        for (i = 0; i < 7; i++)
+        {
+            fprintf(fp_open, "%lf %lf %lf %lf\n", now_num[i], angle[i], x[i], y[i]);
+        }
+        fclose(fp_open);
+    }
+}
+
+void move_piece(double x, double y, double num)
+{
+    struct part *p, *head, *temp;
+    head = NULL;
+    FILE *fp;
+    if ((fp = fopen("game", "r")) == NULL)
+    {
+        printf("cannot open this file3\n");
+        exit(0);
+    }
+    while (feof(fp) == 0)
+    {
+        p = (struct part *)malloc(sizeof(struct part));
+        fscanf(fp, "%lf %lf %lf %lf\n", &p->number, &p->angle, &p->particle_x, &p->particle_y);
+
+        if (p->number == num)
+        {
+            rotate_figure = (int)num;
+            //printf("2 %d\n", rotate_figure);
+            p->particle_x = x;
+            p->particle_y = y;
+        }
+        if (head)
+        {
+            temp = head;
+            while (temp->next)
+            {
+                temp = temp->next;
+            }
+            temp->next = p;
+            p->next = NULL;
+        }
+        else
+        {
+            head = p;
+            p->next = NULL;
+        }
+    }
+    p = head;
+    if (head->number == num)
+    {
+
+        temp = head;
+        while (temp->next)
+        {
+            temp = temp->next;
+        }
+        temp->next = head;
+        head = head->next;
+        p->next = NULL;
+    }
+    else
+    {
+
+        while (p->next->number != num && p->next)
+        {
+
+            p = p->next;
+        }
+
+        temp = p->next;
+        p->next = p->next->next;
+
+        while (p->next)
+        {
+            p = p->next;
+        }
+        p->next = temp;
+        temp->next = NULL;
+    }
+    fclose(fp);
+    FILE *fp_write;
+    if ((fp_write = fopen("game", "w")) == NULL)
+    {
+        printf("cannot open this file2\n");
+        exit(0);
+    }
+    // printf("3\n");
+    p = head;
+    while (p)
+    {
+        fprintf(fp_write, "%lf %lf %lf %lf\n", p->number, p->angle, p->particle_x, p->particle_y);
+        // printf("%lf %lf %lf %lf\n", p->number, p->angle, p->particle_x, p->particle_y);
+        temp = p->next;
+        free(p);
+        p = temp;
+    }
+    fclose(fp_write);
+}
+
+int judge(double x, double y)
+{
+    double re_num, now_num;
+    double current_x, current_y, current_angle;
+    FILE *fp;
+    if ((fp = fopen("game", "r")) == NULL)
+    {
+        printf("cannot open this file1\n");
+        exit(0);
+    }
+    while (feof(fp) == 0)
+    {
+        fscanf(fp, "%lf %lf %lf %lf\n", &now_num, &current_angle, &current_x, &current_y);
+
+        if (sqrt(pow(x - current_x, 2) + pow(y - current_y, 2)) < GetFontHeight() / 4)
+        {
+            re_num = now_num;
+            break;
+        }
+        else
+        {
+            re_num = -1.0;
+        }
+    }
+    fclose(fp);
+    return (int)re_num;
+}
\ No newline at end of file

include/game.h

+#ifndef _game_h
+#define _game_h
+
+void loading(int num);
+
+void rotate();
+
+void move_piece(double x, double y, double num);
+
+int judge(double x, double y);
+
+#endif
\ No newline at end of file