#include <stdio.h>#include <minigui/common.h>#include <minigui/minigui.h>#include <minigui/gdi.h>#include <minigui/window.h>#include <minigui/control.h>#define DEFAULT_X  320#define DEFAULT_Y  200#define DEFAULT_WIDTH  640#define DEFAULT_HEIGHT 400static void TellSpeed (HWND hwnd, unsigned int start_tick, unsigned int end_tick, const char* drawing, unsigned int count){        char buff [1024];        unsigned int seconds = (end_tick - start_tick)/100;        sprintf (buff, "Draw %u %s(s) whthin %u seconds. \n\n"                        "Spend %f second for per-drawing.",                         count, drawing, seconds, (end_tick - start_tick) / (count * 100.0));        MessageBox (hwnd, buff, drawing, MB_OK | MB_ICONINFORMATION);}static void Information(HWND hwnd){    MessageBox (hwnd,"Done","GDI Demo", MB_OK | MB_ICONINFORMATION);}static void GDIDemo_SplineTo(HWND hwnd,HDC hdc){    static POINT pts [] ={        {100,80},        {200,120},        {200,280},        {100,320},    };    static POINT pts2 [] ={        {500,50},        {400,100},        {400,300},        {500,350},    };    /* Bezier spline */    SetPenColor (hdc,PIXEL_red);    SplineTo(hdc,pts);    SetPenColor (hdc,PIXEL_black);    SplineTo(hdc,pts2);    Information(hwnd);}static void GDIDemo_PolyLineTo(HWND hwnd,HDC hdc){    static POINT pts [] = {        {10,10},        {100,100},        {300,70},        {200,300},        {600,280},        {10,10},    };    SetBrushColor(hdc,PIXEL_red);    PolyLineTo(hdc,pts,6);    FloodFill(hdc,22,20);    SetBrushColor(hdc,PIXEL_blue);    FloodFill(hdc,220,270);    SetBrushColor(hdc,PIXEL_black);    FloodFill(hdc,299,71);    Information(hwnd);}static void GDIDemo_Rectangle(HWND hwnd,HDC hdc){    int x = DEFAULT_X, y = DEFAULT_Y;    int tox = DEFAULT_WIDTH, toy = DEFAULT_HEIGHT;    int count;    unsigned int start_tick, end_tick;    unsigned int nr_colors = GetGDCapability (hdc, GDCAP_COLORNUM);    /* Rectangle */    start_tick = GetTickCount();    count = 10000;    SetPenColor (hdc,PIXEL_red);    while (count--){        SetPenColor (hdc,rand() %nr_colors);        Rectangle(hdc,x,y,tox,toy);        tox = rand()%DEFAULT_WIDTH;        toy = rand()%DEFAULT_HEIGHT;    }    end_tick =GetTickCount();    TellSpeed (hwnd,start_tick,end_tick,"rectangle",10000);}static void GDIDemo_FocusRect(HWND hwnd,HDC hdc){    int x = DEFAULT_X, y = DEFAULT_Y;    int tox = DEFAULT_WIDTH, toy = DEFAULT_HEIGHT;    int count;    unsigned int start_tick, end_tick;    unsigned int nr_colors = GetGDCapability (hdc, GDCAP_COLORNUM);    /* Focus Rectangle  */    start_tick = GetTickCount();    count = 1000;    SetPenColor (hdc,PIXEL_red);    while (count--){        SetPenColor (hdc,rand() %nr_colors);        FocusRect(hdc,x,y,tox,toy);        x   = rand()% DEFAULT_X;        y   = rand()% DEFAULT_Y;        tox = rand()% DEFAULT_WIDTH;        toy = rand()% DEFAULT_HEIGHT;    }    end_tick =GetTickCount();    TellSpeed (hwnd,start_tick,end_tick,"focus rectangle",1000);}static void GDIDemo_DrawHDotLine(HWND hwnd, HDC hdc){    int x = DEFAULT_X, y = DEFAULT_Y;    int tox = DEFAULT_WIDTH, toy = DEFAULT_HEIGHT;    int count;    unsigned int start_tick, end_tick;    unsigned int nr_colors = GetGDCapability (hdc, GDCAP_COLORNUM);    /* Horizontal dot dash line */    start_tick = GetTickCount ();    count = 100000;    SetPenColor (hdc, PIXEL_yellow);    while (count--) {        SetPenColor (hdc, rand() % nr_colors);        DrawHDotLine(hdc,tox,toy,300);        tox = rand() % DEFAULT_WIDTH;        toy = rand() % DEFAULT_HEIGHT;    }    end_tick = GetTickCount ();    TellSpeed (hwnd, start_tick, end_tick, "horizontal line", 100000);    /* Vertial dot dash line */    start_tick = GetTickCount ();    count = 100000;    SetPenColor (hdc, PIXEL_yellow);    while (count--) {        SetPenColor (hdc, rand() % nr_colors);        MoveTo (hdc, x, y);        DrawVDotLine(hdc,tox,toy,300);        tox = rand() % DEFAULT_WIDTH;        toy = rand() % DEFAULT_HEIGHT;    }    end_tick = GetTickCount ();    TellSpeed (hwnd, start_tick, end_tick, "vertial line", 100000);}static void GDIDemo_FillPolygon(HWND hwnd,HDC hdc){    static POINT pts [] ={        {320,20},        {100,200},        {320,350},        {480,350},        {480,150},    };    SetBrushColor(hdc,PIXEL_red);    FillPolygon(hdc,pts,5);    Information(hwnd);}static void draw_circle(void* context,int x1,int x2,int y){    HDC hdc = (HDC) context;    SetBrushColor(hdc,rand() % PIXEL_yellow);    FillCircle(hdc,x1,y,1);    FillCircle(hdc,x2,y,3);}static void GDIDemo_CircleGenerator(HWND hwnd,HDC hdc){    int x = 400, y = 250,r=150;    int count;    count = 50;    while (count--) {        CircleGenerator((void*) hdc,x,y,r,draw_circle);        x = rand() % 400;        y = rand() % 250;        r = rand() % 150;    }    Information(hwnd);}static void draw_ellipse(void* context,int x1,int x2,int y){    HDC hdc = (HDC) context;    FillCircle(hdc,x1,y,1);    FillCircle(hdc,x2,y,3);}static void GDIDemo_EllipseGenerator(HWND hwnd,HDC hdc){    int x = 100, y = 100,rx=100,ry=160;    int count;    count = 100;    while (count--) {        SetBrushColor(hdc,rand() % PIXEL_red);        EllipseGenerator((void*) hdc,x,y,rx,ry,draw_ellipse);        x  = x+10;        y  = y+5;        rx = rand() % 100;        ry = rand() % 160;    }    Information(hwnd);}static void draw_circlearc(void* context,int x,int y){    HDC hdc = (HDC) context;    SetBrushColor(hdc,rand() % PIXEL_red);    FillCircle(hdc,x,y,1);}static void GDIDemo_CircleArcGenerator(HWND hwnd,HDC hdc){    int x=0,y=0,r=100,ang1=3200,ang2=17180;    int count;    count =100;    while (count--){        SetBrushColor(hdc,rand()% PIXEL_red);        CircleArcGenerator((void*) hdc,x,y,r,ang1,ang2,draw_circlearc);        x = x+20;        y = y+10;    }    Information(hwnd);}static void draw_polygon(void* context,int x1,int x2,int y){    HDC hdc = (HDC) context;    SetBrushColor(hdc,rand() % PIXEL_yellow);    FillCircle(hdc,x1,y,5);    FillCircle(hdc,x2,y,5);}static void GDIDemo_PolygonGenerator(HWND hwnd,HDC hdc){    static POINT pts [] ={        {320,20},        {100,200},        {320,340},        {480,360},        {480,150},    };    SetPenColor(hdc,PIXEL_yellow);    PolygonGenerator((void*) hdc,pts,5,draw_polygon);    Information(hwnd);}static void GDIDemo_MonotoneVerticalPolygonGenerator(HWND hwnd,HDC hdc){    static POINT pts [] ={        {320,100},        {100,200},        {320,340},        {480,360},        {480,150},    };    MonotoneVerticalPolygonGenerator((void*) hdc,pts,5,draw_polygon);    Information(hwnd);}static void draw_line(void* context,int stepx,int stepy){    HDC hdc = (HDC) context;    static int x = 0,y = 0;    SetPenWidth(hdc,5);    SetPenColor(hdc,rand() % PIXEL_red);    LineEx(hdc,x,y,stepx,stepy);    x += stepx;    y += stepy;}static void GDIDemo_LineGenerator(HWND hwnd,HDC hdc){    SetPenColor(hdc,PIXEL_red);    LineGenerator((void*) hdc,0,0,400,400,draw_line);    Information(hwnd);} static void  GDIDemo_PolyArcEx(HWND hwnd,HDC hdc){    ARC arc;    arc.x = 150;    arc.y = 150;    arc.width = 100;    arc.height = 100;    arc.angle1 = 45*64;    arc.angle2 = 270*64;    PolyArcEx(hdc,&arc,1);    Information(hwnd);}static void GDIDemo_PolyFillArcEx(HWND hwnd,HDC hdc){    ARC arc;    arc.x = 300;    arc.y = 0;    arc.width  = 200;    arc.height = 300;    arc.angle1 = 45*64;    arc.angle2 = 135*64;    SetBrushColor(hdc,rand() % PIXEL_red);    PolyFillArcEx(hdc,&arc,1);    Information(hwnd);}static int TestWinProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam){    HDC hdc;    switch (message) {        case MSG_PAINT:            hdc = BeginPaint (hWnd);            SetTextColor (hdc, PIXEL_black);            SetBkColor (hdc, PIXEL_lightwhite);            SetBkMode (hdc, BM_TRANSPARENT);            TabbedTextOut (hdc, 50, 20,                                  "Type 'A': Drawing spline, polyline and rectangle.\n"                                 "Type 'B': Drawing horizontal and vertial dot dash line.\n"                                 "Type 'C': Drawing focus rectangle and fill a polygon.\n"                                 "Type 'D': Drawing circles, ellipses and CircleArcs.\n"                                 "Type 'E': Drawing polygon with PolygonGenerator.\n"                                 "Type 'F': Generate line, polyarc and fill polyarc.\n"                                    "\nType 'Q' to quit.");            EndPaint (hWnd, hdc);            return 0;        case MSG_CHAR:            hdc =  GetClientDC(hWnd);            switch (wParam) {            case 'a':            case 'A':                GDIDemo_SplineTo(hWnd,hdc);                GDIDemo_PolyLineTo(hWnd,hdc);                GDIDemo_Rectangle(hWnd,hdc);                break;            case 'b':            case 'B':                GDIDemo_DrawHDotLine(hWnd,hdc);                break;            case 'c':            case 'C':                GDIDemo_FocusRect(hWnd,hdc);                InvalidateRect (hWnd, NULL, TRUE);                GDIDemo_FillPolygon(hWnd,hdc);                break;            case 'd':            case 'D':                GDIDemo_CircleGenerator(hWnd,hdc);                InvalidateRect (hWnd, NULL, TRUE);                GDIDemo_EllipseGenerator(hWnd,hdc);                InvalidateRect (hWnd, NULL, TRUE);                GDIDemo_CircleArcGenerator(hWnd,hdc);                  break;            case 'e':            case 'E':                GDIDemo_PolygonGenerator(hWnd,hdc);                GDIDemo_MonotoneVerticalPolygonGenerator(hWnd,hdc);                break;            case 'f':            case 'F':                GDIDemo_LineGenerator(hWnd,hdc);                GDIDemo_PolyArcEx(hWnd,hdc);                GDIDemo_PolyFillArcEx(hWnd,hdc);                break;            case 'q':            case 'Q':                PostMessage(hWnd,MSG_CLOSE,0,0);          }            ReleaseDC(hdc);            InvalidateRect (hWnd, NULL, TRUE);            break;        case MSG_CLOSE:            DestroyMainWindow (hWnd);            PostQuitMessage (hWnd);            return 0;    }    return DefaultMainWinProc(hWnd, message, wParam, lParam);}static int MiniGUIMain (int argc, const char* argv[]){    MSG Msg;    HWND hMainWnd;    MAINWINCREATE CreateInfo;    CreateInfo.dwStyle = WS_VISIBLE | WS_BORDER | WS_CAPTION;    CreateInfo.dwExStyle = WS_EX_NONE;    CreateInfo.spCaption = "GDI Demo";    CreateInfo.hMenu = 0;    CreateInfo.hCursor = GetSystemCursor(0);    CreateInfo.hIcon = 0;    CreateInfo.MainWindowProc = TestWinProc;    CreateInfo.lx = 0;    CreateInfo.ty = 0;    CreateInfo.rx = DEFAULT_WIDTH;    CreateInfo.by = DEFAULT_HEIGHT;    CreateInfo.iBkColor = COLOR_lightwhite;    CreateInfo.dwAddData = 0;    CreateInfo.hHosting = HWND_DESKTOP;        hMainWnd = CreateMainWindow (&CreateInfo);        if (hMainWnd == HWND_INVALID)        return -1;    ShowWindow(hMainWnd, SW_SHOWNORMAL);    while (GetMessage(&Msg, hMainWnd)) {        TranslateMessage(&Msg);        DispatchMessage(&Msg);    }    MainWindowThreadCleanup (hMainWnd);    return 0;}