/****************************************************** * EasyX Library for C++ (Ver:20240601) * https://easyx.cn * * EasyX.h * Provides the latest API. ******************************************************/ #pragma once #ifndef WINVER #define WINVER 0x0400 // Specifies that the minimum required platform is Windows 95 and Windows NT 4.0. #endif #ifndef _WIN32_WINNT #define _WIN32_WINNT 0x0500 // Specifies that the minimum required platform is Windows 2000 #endif #ifndef _WIN32_WINDOWS #define _WIN32_WINDOWS 0x0410 // Specifies that the minimum required platform is Windows 98 #endif #ifdef UNICODE #pragma comment(lib,"EasyXw.lib") #else #pragma comment(lib, "EasyXa.lib") #endif #ifndef __cplusplus #error EasyX is only for C++ #endif #include #include // EasyX Window Properties #define EX_SHOWCONSOLE 1 // Maintain the console window when creating a graphics window #define EX_NOCLOSE 2 // Disable the close button #define EX_NOMINIMIZE 4 // Disable the minimize button #define EX_DBLCLKS 8 // Support double-click events // Color constant #define BLACK 0 #define BLUE 0xAA0000 #define GREEN 0x00AA00 #define CYAN 0xAAAA00 #define RED 0x0000AA #define MAGENTA 0xAA00AA #define BROWN 0x0055AA #define LIGHTGRAY 0xAAAAAA #define DARKGRAY 0x555555 #define LIGHTBLUE 0xFF5555 #define LIGHTGREEN 0x55FF55 #define LIGHTCYAN 0xFFFF55 #define LIGHTRED 0x5555FF #define LIGHTMAGENTA 0xFF55FF #define YELLOW 0x55FFFF #define WHITE 0xFFFFFF // Color conversion macro #define BGR(color) ( (((color) & 0xFF) << 16) | ((color) & 0xFF00FF00) | (((color) & 0xFF0000) >> 16) ) class IMAGE; // Line style class class LINESTYLE { public: LINESTYLE(); LINESTYLE(const LINESTYLE &style); LINESTYLE &operator=(const LINESTYLE &style); virtual ~LINESTYLE(); DWORD style; DWORD thickness; DWORD *puserstyle; DWORD userstylecount; }; // Fill style class class FILLSTYLE { public: FILLSTYLE(); FILLSTYLE(const FILLSTYLE &style); FILLSTYLE &operator=(const FILLSTYLE &style); virtual ~FILLSTYLE(); int style; // Fill style long hatch; // Hatch pattern IMAGE *ppattern; // Fill image }; // Image class class IMAGE { public: int getwidth() const; // Get the width of the image int getheight() const; // Get the height of the image private: int width, height; // Width and height of the image HBITMAP m_hBmp; HDC m_hMemDC; float m_data[6]; COLORREF m_LineColor; // Current line color COLORREF m_FillColor; // Current fill color COLORREF m_TextColor; // Current text color COLORREF m_BkColor; // Current background color DWORD *m_pBuffer; // Memory buffer of the image LINESTYLE m_LineStyle; // Current line style FILLSTYLE m_FillStyle; // Current fill style virtual void SetDefault(); // Set the graphics environment as default public: IMAGE(int _width = 0, int _height = 0); IMAGE(const IMAGE &img); IMAGE &operator=(const IMAGE &img); virtual ~IMAGE(); virtual void Resize(int _width, int _height); // Resize image }; // Graphics window related functions HWND initgraph(int width, int height, int flag = 0); // Create graphics window void closegraph(); // Close graphics window // Graphics environment related functions void cleardevice(); // Clear device void setcliprgn(HRGN hrgn); // Set clip region void clearcliprgn(); // Clear clip region void getlinestyle(LINESTYLE *pstyle); // Get line style void setlinestyle(const LINESTYLE *pstyle); // Set line style void setlinestyle(int style, int thickness = 1, const DWORD *puserstyle = NULL, DWORD userstylecount = 0); // Set line style void getfillstyle(FILLSTYLE *pstyle); // Get fill style void setfillstyle(const FILLSTYLE *pstyle); // Set fill style void setfillstyle(int style, long hatch = NULL, IMAGE *ppattern = NULL); // Set fill style void setfillstyle(BYTE *ppattern8x8); // Set fill style void setorigin(int x, int y); // Set coordinate origin void getaspectratio(float *pxasp, float *pyasp); // Get aspect ratio void setaspectratio(float xasp, float yasp); // Set aspect ratio int getrop2(); // Get binary raster operation mode void setrop2(int mode); // Set binary raster operation mode int getpolyfillmode(); // Get polygon fill mode void setpolyfillmode(int mode); // Set polygon fill mode void graphdefaults(); // Reset the graphics environment as default COLORREF getlinecolor(); // Get line color void setlinecolor(COLORREF color); // Set line color COLORREF gettextcolor(); // Get text color void settextcolor(COLORREF color); // Set text color COLORREF getfillcolor(); // Get fill color void setfillcolor(COLORREF color); // Set fill color COLORREF getbkcolor(); // Get background color void setbkcolor(COLORREF color); // Set background color int getbkmode(); // Get background mode void setbkmode(int mode); // Set background mode // Color model transformation related functions COLORREF RGBtoGRAY(COLORREF rgb); void RGBtoHSL(COLORREF rgb, float *H, float *S, float *L); void RGBtoHSV(COLORREF rgb, float *H, float *S, float *V); COLORREF HSLtoRGB(float H, float S, float L); COLORREF HSVtoRGB(float H, float S, float V); // Drawing related functions COLORREF getpixel(int x, int y); // Get pixel color void putpixel(int x, int y, COLORREF color); // Set pixel color void line(int x1, int y1, int x2, int y2); // Draw a line void rectangle(int left, int top, int right, int bottom); // Draw a rectangle without filling void fillrectangle(int left, int top, int right, int bottom); // Draw a filled rectangle with a border void solidrectangle(int left, int top, int right, int bottom); // Draw a filled rectangle without a border void clearrectangle(int left, int top, int right, int bottom); // Clear a rectangular region void circle(int x, int y, int radius); // Draw a circle without filling void fillcircle(int x, int y, int radius); // Draw a filled circle with a border void solidcircle(int x, int y, int radius); // Draw a filled circle without a border void clearcircle(int x, int y, int radius); // Clear a circular region void ellipse(int left, int top, int right, int bottom); // Draw an ellipse without filling void fillellipse(int left, int top, int right, int bottom); // Draw a filled ellipse with a border void solidellipse(int left, int top, int right, int bottom); // Draw a filled ellipse without a border void clearellipse(int left, int top, int right, int bottom); // Clear an elliptical region void roundrect(int left, int top, int right, int bottom, int ellipsewidth, int ellipseheight); // Draw a rounded rectangle without filling void fillroundrect(int left, int top, int right, int bottom, int ellipsewidth, int ellipseheight); // Draw a filled rounded rectangle with a border void solidroundrect(int left, int top, int right, int bottom, int ellipsewidth, int ellipseheight); // Draw a filled rounded rectangle without a border void clearroundrect(int left, int top, int right, int bottom, int ellipsewidth, int ellipseheight); // Clear a rounded rectangular region void arc(int left, int top, int right, int bottom, double stangle, double endangle); // Draw an arc void pie(int left, int top, int right, int bottom, double stangle, double endangle); // Draw a sector without filling void fillpie(int left, int top, int right, int bottom, double stangle, double endangle); // Draw a filled sector with a border void solidpie(int left, int top, int right, int bottom, double stangle, double endangle); // Draw a filled sector without a border void clearpie(int left, int top, int right, int bottom, double stangle, double endangle); // Clear a rounded rectangular region void polyline(const POINT *points, int num); // Draw multiple consecutive lines void polygon(const POINT *points, int num); // Draw a polygon without filling void fillpolygon(const POINT *points, int num); // Draw a filled polygon with a border void solidpolygon(const POINT *points, int num); // Draw a filled polygon without a border void clearpolygon(const POINT *points, int num); // Clear a polygon region void polybezier(const POINT *points, int num); // Draw three square Bezier curves void floodfill(int x, int y, COLORREF color, int filltype = FLOODFILLBORDER); // Fill the area // Text related functions void outtextxy(int x, int y, LPCTSTR str); // Output a string at the specified location void outtextxy(int x, int y, TCHAR c); // Output a char at the specified location int textwidth(LPCTSTR str); // Get the width of a string int textwidth(TCHAR c); // Get the width of a char int textheight(LPCTSTR str); // Get the height of a string int textheight(TCHAR c); // Get the height of a char int drawtext(LPCTSTR str, RECT *pRect, UINT uFormat); // Output a string in the specified format within the specified area. int drawtext(TCHAR c, RECT *pRect, UINT uFormat); // Output a char in the specified format within the specified area. // Set current text style. // nHeight: The height of the text // nWidth: The average width of the character. If 0, the scale is adaptive. // lpszFace: The font name // nEscapement: The writing angle of the string, 0.1 degrees, defaults to 0. // nOrientation: The writing angle of each character, 0.1 degrees, defaults to 0. // nWeight: The stroke weight of the character // bItalic: Specify whether the font is italic // bUnderline: Specify whether the font is underlined // bStrikeOut: Specify whether the font has a strikeout // fbCharSet: Specifies the character set // fbOutPrecision: Specifies the output accuracy of the text // fbClipPrecision: Specifies the clip accuracy of the text // fbQuality: Specifies the output quality of the text // fbPitchAndFamily: Specifies a font family that describes a font in a general way void settextstyle(int nHeight, int nWidth, LPCTSTR lpszFace); void settextstyle(int nHeight, int nWidth, LPCTSTR lpszFace, int nEscapement, int nOrientation, int nWeight, bool bItalic, bool bUnderline, bool bStrikeOut); void settextstyle(int nHeight, int nWidth, LPCTSTR lpszFace, int nEscapement, int nOrientation, int nWeight, bool bItalic, bool bUnderline, bool bStrikeOut, BYTE fbCharSet, BYTE fbOutPrecision, BYTE fbClipPrecision, BYTE fbQuality, BYTE fbPitchAndFamily); void settextstyle(const LOGFONT *font); // Set current text style void gettextstyle(LOGFONT *font); // Get current text style // Image related functions void loadimage(IMAGE *pDstImg, LPCTSTR pImgFile, int nWidth = 0, int nHeight = 0, bool bResize = false); // Load image from a file (bmp/gif/jpg/png/tif/emf/wmf/ico) void loadimage(IMAGE *pDstImg, LPCTSTR pResType, LPCTSTR pResName, int nWidth = 0, int nHeight = 0, bool bResize = false); // Load image from resources (bmp/gif/jpg/png/tif/emf/wmf/ico) void saveimage(LPCTSTR pImgFile, IMAGE *pImg = NULL); // Save image to a file (bmp/gif/jpg/png/tif) void getimage(IMAGE *pDstImg, int srcX, int srcY, int srcWidth, int srcHeight); // Get image from device void putimage(int dstX, int dstY, const IMAGE *pSrcImg, DWORD dwRop = SRCCOPY); // Put image to device void putimage(int dstX, int dstY, int dstWidth, int dstHeight, const IMAGE *pSrcImg, int srcX, int srcY, DWORD dwRop = SRCCOPY); // Put image to device void rotateimage(IMAGE *dstimg, IMAGE *srcimg, double radian, COLORREF bkcolor = BLACK, bool autosize = false, bool highquality = true);// Rotate image void Resize(IMAGE *pImg, int width, int height); // Resize the device DWORD *GetImageBuffer(IMAGE *pImg = NULL); // Get the display buffer of the graphics device IMAGE *GetWorkingImage(); // Get current graphics device void SetWorkingImage(IMAGE *pImg = NULL); // Set current graphics device HDC GetImageHDC(IMAGE *pImg = NULL); // Get the graphics device handle // Other functions int getwidth(); // Get the width of current graphics device int getheight(); // Get the height of current graphics device void BeginBatchDraw(); // Begin batch drawing mode void FlushBatchDraw(); // Refreshes the undisplayed drawing void FlushBatchDraw(int left, int top, int right, int bottom); // Refreshes the undisplayed drawing void EndBatchDraw(); // End batch drawing mode and refreshes the undisplayed drawing void EndBatchDraw(int left, int top, int right, int bottom); // End batch drawing mode and refreshes the undisplayed drawing HWND GetHWnd(); // Get the handle of the graphics window const TCHAR *GetEasyXVer(); // Get version of EasyX library // Get user input as a dialog box bool InputBox(LPTSTR pString, int nMaxCount, LPCTSTR pPrompt = NULL, LPCTSTR pTitle = NULL, LPCTSTR pDefault = NULL, int width = 0, int height = 0, bool bOnlyOK = true); // Message // // Category Type Description // // EX_MOUSE WM_MOUSEMOVE Mouse moves // WM_MOUSEWHEEL Mouse wheel is rotated // WM_LBUTTONDOWN Left mouse button is pressed // WM_LBUTTONUP Left mouse button is released // WM_LBUTTONDBLCLK Left mouse button is double-clicked // WM_MBUTTONDOWN Middle mouse button is pressed // WM_MBUTTONUP Middle mouse button is released // WM_MBUTTONDBLCLK Middle mouse button is double-clicked // WM_RBUTTONDOWN Right mouse button is pressed // WM_RBUTTONUP Right mouse button is released // WM_RBUTTONDBLCLK Right mouse button is double-clicked // // EX_KEY WM_KEYDOWN A key is pressed // WM_KEYUP A key is released // // EX_CHAR WM_CHAR // // EX_WINDOW WM_ACTIVATE The window is activated or deactivated // WM_MOVE The window has been moved // WM_SIZE The size of window has changed // Message Category #define EX_MOUSE 1 #define EX_KEY 2 #define EX_CHAR 4 #define EX_WINDOW 8 // Message Structure struct ExMessage { USHORT message; // The message identifier union { // Data of the mouse message struct { bool ctrl: 1; // Indicates whether the CTRL key is pressed bool shift: 1; // Indicates whether the SHIFT key is pressed bool lbutton: 1; // Indicates whether the left mouse button is pressed bool mbutton: 1; // Indicates whether the middle mouse button is pressed bool rbutton: 1; // Indicates whether the right mouse button is pressed short x; // The x-coordinate of the cursor short y; // The y-coordinate of the cursor short wheel; // The distance the wheel is rotated, expressed in multiples or divisions of 120 }; // Data of the key message struct { BYTE vkcode; // The virtual-key code of the key BYTE scancode; // The scan code of the key. The value depends on the OEM bool extended: 1; // Indicates whether the key is an extended key, such as a function key or a key on the numeric keypad. The value is true if the key is an extended key; otherwise, it is false. bool prevdown: 1; // Indicates whether the key is previously up or down }; // Data of the char message TCHAR ch; // Data of the window message struct { WPARAM wParam; LPARAM lParam; }; }; }; // Message Function ExMessage getmessage( BYTE filter = -1); // Get a message until a message is available for retrieval void getmessage(ExMessage *msg, BYTE filter = -1); // Get a message until a message is available for retrieval bool peekmessage(ExMessage *msg, BYTE filter = -1, bool removemsg = true); // Get a message if any exist, otherwise return false void flushmessage(BYTE filter = -1); // Flush the message buffer void setcapture(); // Enable the ability to capture mouse messages outside of the graphics window void releasecapture(); // Disable the ability to capture mouse messages outside of the graphics window