picshow.c

飞漫公司的minigui的1.6.8收费增值版本的demon等示例程序

static void switchstyle(HWND hWnd)
{
    int full;

    cancelsel(hWnd);
    showstyle = (showstyle + 1) % 3;
    full = (showstyle + 1) * (showstyle + 1);
    if (showstyle) {
        int oldsel = cursel;
        cursel = (firstpic + cursel) % full;
        firstpic = (firstpic + oldsel) / full * full;
        disppic (hWnd, pichead + firstpic, DISPNUM);
        drawframe(hWnd);
    }
    else {
        firstpic = firstpic + cursel;
        cursel = 0;
        disppic (hWnd, pichead + firstpic, DISPNUM);
    }
}

static void OptMenu(HWND hwnd)
{
    HDC hdc;

    dispmenu = 1;
    hdc = GetClientDC(hwnd);
    SetPenColor (hdc, RGB2Pixel (hdc, 250, 250, 250));
    Rectangle(hdc, rcMenu[0].left, rcMenu[0].top, rcMenu[0].right, rcMenu[0].bottom);
    SetBkMode (hdc, BM_TRANSPARENT);
    SetTextColor (hdc, RGB2Pixel(hdc, 250, 250, 250));
//#ifdef MGDEMO_ENGLISH
//    TextOut (hdc, rcMenu[1].left + 5, rcMenu[1].top, "Information");
//    TextOut (hdc, rcMenu[2].left + 5, rcMenu[2].top, "Delete");
//    TextOut (hdc, rcMenu[3].left + 5, rcMenu[3].top, "as Wallpaper");
//#else

    TextOut (hdc, rcMenu[1].left + 5, rcMenu[1].top, "信息");
    TextOut (hdc, rcMenu[2].left + 5, rcMenu[2].top, "删除");
    TextOut (hdc, rcMenu[3].left + 5, rcMenu[3].top, "存储为壁纸");
//#endif
    ReleaseDC(hdc);
}

static void cancelmenu(HWND hwnd)
{
    int w = rcMenu[0].right - rcMenu[0].left + 1, h = rcMenu[0].bottom - rcMenu[0].top + 1;
    RECT *rect = NULL;
    HDC hdc;

    hdc = GetClientDC(hwnd);
    BitBlt(mdc, rcMenu[0].left, rcMenu[0].top, w, h, hdc, rcMenu[0].left, rcMenu[0].top, 0);

    if (showstyle == 0)
        goto exit;
    else if (showstyle == 1)
        rect = frame2x2;
    else if (showstyle == 2)
        rect = frame3x3;
    SetPenColor (hdc, RGB2Pixel(hdc, 255, 255, 255));
    Rectangle (hdc, rect[cursel].left - 1, rect[cursel].top - 1, rect[cursel].right + 1, rect[cursel].bottom + 1);
exit:
    ReleaseDC(hdc);
    dispmenu = 0;
}

static void selmenuopt(HWND hwnd, int x, int y)
{
    int i;
    
    if (!dispmenu)
        return;
    for (i = 1; i < 4; i++) {
        if (PtInRect(&rcMenu[i], x, y)) {
            switch (i) {
            case 1:
//#ifdef MGDEMO_ENGLISH
//                printf("Information");
//#else
                printf("信息");
//#endif
            break;
            case 2:
//#ifdef MGDEMO_ENGLISH
//                printf("Delete");
//#else
                printf("删除");
//#endif
            break;
            case 3:
//#ifdef MGDEMO_ENGLISH
//                printf("save as Wallpaper");
//#else
                printf("存储为壁纸");
//#endif
            break;
            }
            break;
        }
    }
}

static void hideface(HWND hwnd)
{
    HDC hdc;
    RECT *rect = NULL;

    hdc = GetClientDC(hwnd);
    BitBlt(mdc, 0, 0, 320, 240, hdc, 0, 0, 0);
    hidemenu = 1;

    if (showstyle == 0)
        goto exit;
    else if (showstyle == 1)
        rect = frame2x2;
    else if (showstyle == 2)
        rect = frame3x3;

    SetPenColor (hdc, RGB2Pixel(hdc, 250, 250, 250));
    Rectangle (hdc, rect[cursel].left - 1, rect[cursel].top - 1,
                            rect[cursel].right + 1, rect[cursel].bottom + 1);
exit:
    ReleaseDC(hdc);
}

static void pictureshow_button_deal (HWND hWnd, int index)
{
    switch (index) {
    case 0:
        switchstyle(hWnd);
        InvalidateRect (hWnd, &rcButton [0], FALSE);
        if (dispmenu)
            cancelmenu(hWnd);
        break;
    case 1:
        if (!dispmenu)
            OptMenu(hWnd);
        break;
    case 2:
        hideface(hWnd);
        if (dispmenu)
            cancelmenu(hWnd);
        break;
    }
}

static void pictureshow_deal_click (HWND hWnd, int x, int y)
{
    int i;

    if (dispmenu) {
        cancelmenu(hWnd);
        return;
    }
    for (i = 0; i < 3; i++) {
        if (PtInRect (&rcButton [i], x, y)) {
            pictureshow_button_deal (hWnd, i);
            break;
        }
    }
}

static void refreshmenu(HDC hdc)
{
    int i;
//#ifdef MGDEMO_ENGLISH
//    const char *chStyle[] = {"Single", "2x2 Mode", "3x3 Mode"};
//#else
    const char *chStyle[] = {"单  幅", "2x2格式", "3x3格式"};
//#endif
    char *picname = pichead[firstpic + cursel];

    if (hidemenu)
        return;

    SetBkMode (hdc, BM_TRANSPARENT);
    SetPenColor (hdc, RGB2Pixel (hdc, 250, 250, 250));
    for (i = 0; i < 3; i++) 
        Rectangle (hdc, rcButton [i].left, rcButton [i].top, rcButton [i].right, rcButton [i].bottom);

    if (showstyle < 0 || showstyle > 2)
        return;
    SetTextColor (hdc, RGB2Pixel(hdc, 250, 250, 250));
    TextOut (hdc, 30, 220, chStyle[showstyle]);

//#ifdef MGDEMO_ENGLISH
//    TextOut (hdc, 146, 220, "Option");
//    TextOut (hdc, 250, 220, "Hide");
//#else

    TextOut (hdc, 146, 220, "选项");
    TextOut (hdc, 250, 220, "隐藏");
//#endif
    //BitBlt (mdc, 0, 4, 320, 12, hdc, 0, 4, 0);
    DrawText(hdc, picname, -1, &rcButton[3], DT_CENTER);
}

void initjpeg(HWND hwnd)
{
    HDC hdc;
    hdc = GetClientDC(hwnd);
    mdc = CreateCompatibleDCEx(hdc, 320, 240);
    ReleaseDC(hdc);
}

static int pictureshowWinProc (HWND hWnd, int message, WPARAM wparam, LPARAM lparam)
{
    switch (message){
        case MSG_CREATE:
            initframe();
            initjpeg(hWnd);
            disppic(hWnd, pichead + firstpic, DISPNUM);
            break;
        case MSG_ACTIVE:
            return 0;
        case MSG_SHOWWINDOW:
            return 0;
        case MSG_SIZECHANGING:
        {
            RECT* rcResult = (RECT*)lparam;

            rcResult->top = 0;
            rcResult->left = 0;
            rcResult->right = 320;
            rcResult->bottom = 240;
            return 0;
         }
        case MSG_CLOSE:
            hidemenu = 0;
            DeleteMemDC(mdc);
            DestroyAllControls(hWnd);
            DestroyMainWindow(hWnd);
            break;
        case MSG_PAINT:
        {
            HDC hDC;

            hDC = BeginPaint (hWnd);
            refreshmenu(hDC);
            EndPaint (hWnd, hDC);

            return 0;
        }
        case MSG_KEYDOWN:
            switch (wparam) {
            case SCANCODE_F1:
                pictureshow_button_deal (hWnd, 0);
                break;

            case SCANCODE_F2:
                if (hidemenu) {
                    hidemenu = 0;
                    InvalidateRect(hWnd, NULL, FALSE);
                }
                pictureshow_button_deal (hWnd, 1);
                break;

            case SCANCODE_F3:
                if (hidemenu) {
                    hidemenu = 0;
                    InvalidateRect(hWnd, NULL, FALSE);
                }
                else
                pictureshow_button_deal (hWnd, 2);
                break;

            case SCANCODE_CURSORBLOCKRIGHT:
                lfsel(hWnd, 1);
                break;

            case SCANCODE_CURSORBLOCKLEFT:
                lfsel(hWnd, 0);
                break;

            case SCANCODE_CURSORBLOCKUP:
                updownsel(hWnd, 0);
                break;

            case SCANCODE_CURSORBLOCKDOWN:
                updownsel(hWnd, 1);
                break;

            case SCANCODE_ENTER:
            case SCANCODE_KEYPADENTER:
                if (dispmenu) {
                    cancelmenu(hWnd);
                    return 0;
                }
                else
                fullpic(hWnd);
                break;
            case SCANCODE_ESCAPE:
                if (dispmenu) {
                    cancelmenu(hWnd);
                    return 0;
                }
                
                SendMessage(hWnd, MSG_CLOSE, 0, 0);
               break;
             }
        break;
        case MSG_LBUTTONDOWN:
        {
            int x = LOWORD(lparam);
            int y = HIWORD(lparam);

            mousesel(hWnd, x, y);
            selmenuopt(hWnd, x, y);
            if (hidemenu) {
                hidemenu = 0;
                InvalidateRect(hWnd, NULL, FALSE);
            }
            else
                pictureshow_deal_click (hWnd, x, y);
            break;
        }
        case MSG_COMMAND:
        {
            break;
        }

    }

    return DefaultMainWinProc (hWnd, message, wparam, lparam);
}

static int init_create_pictureshow_win (HWND hHosting)
{
    MAINWINCREATE CreateInfo;
    HWND hWnd;

    CreateInfo.dwStyle = WS_VISIBLE;
    CreateInfo.spCaption = "";
    CreateInfo.dwExStyle = WS_EX_TOPMOST;
    CreateInfo.hMenu = 0;
    CreateInfo.hCursor = GetSystemCursor(0);
    CreateInfo.hIcon = 0;
    CreateInfo.MainWindowProc = pictureshowWinProc;
    CreateInfo.lx = 0;
    CreateInfo.ty = 0;
    CreateInfo.rx = 320;
    CreateInfo.by = 240;
    //CreateInfo.iBkColor = RGB2Pixel (HDC_SCREEN, 0x86, 0x99, 0xcc);
    //CreateInfo.iBkColor = RGB2Pixel (HDC_SCREEN, 198, 205, 242);
    CreateInfo.iBkColor = RGB2Pixel(HDC_SCREEN, 0, 0, 0);
    CreateInfo.dwAddData = 0;
    CreateInfo.hHosting = hHosting; 

    hWnd = CreateMainWindow(&CreateInfo);

    if(hWnd == HWND_INVALID) {
        printf ("--------create_pictureshow_win failure\n");
        return 1;
    }
    hPictureShow = hWnd; 
    ShowWindow(hWnd, SW_SHOWNORMAL);

    return 0;
}

void create_pictureshow_win(HWND hWnd, char **picname, int pic, int count)
{
    firstpic = pic;
    picnum = count;
    cursel = 0;
    pichead = picname;
    showstyle = 0;
    init_create_pictureshow_win(hWnd);
}