Vendor rlottie sources with CMake and MinGW build adjustments
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// rlottiePlayer.cpp : Defines the entry point for the application.
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//
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#include "framework.h"
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#include "rlottiePlayer.h"
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using namespace Gdiplus;
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#define MAX_LOADSTRING 100
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// Global Variables:
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HINSTANCE hInst; // current instance
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WCHAR szTitle[MAX_LOADSTRING]; // The title bar text
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WCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
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HWND mainWindow; // Main Window Instance
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HWND hTextFileToBeOpened; // openDialog file path
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HWND hBtnPlay;
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HWND hSliderPlay, hSliderCanvasResize;
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UINT curFrame = 0;
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RlottieBitmap anim; // rendered Animation Bitmap
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RECT animRect, backRect;
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size_t animWidth, animHeight;
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Gdiplus::Color backColor(255, 255, 255, 255);
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Gdiplus::Color borderColor(255, 0, 0, 0);
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bool isViewChanged = false;
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// Forward declarations of functions included in this code module:
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ATOM MyRegisterClass(HINSTANCE hInstance);
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BOOL InitInstance(HINSTANCE, int);
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
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void openJSONFileDialog(HWND);
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void initUIControl(HWND);
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void dlgUICommand(HWND, WPARAM);
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void resizeCanvas(HWND, int);
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void changeBackgroundColor(int r, int g, int b);
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// Animation Rendering Functions
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void draw(HDC);
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Bitmap* CreateBitmap(void* data, unsigned int width, unsigned int height);
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void renderAnimation(UINT);
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int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
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_In_opt_ HINSTANCE hPrevInstance,
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_In_ LPWSTR lpCmdLine,
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_In_ int nCmdShow)
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{
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UNREFERENCED_PARAMETER(hPrevInstance);
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UNREFERENCED_PARAMETER(lpCmdLine);
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// initialize Gdiplus
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Gdiplus::GdiplusStartupInput gdiplusStartUpInput;
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ULONG_PTR gdiplustoken;
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Gdiplus::GdiplusStartup(&gdiplustoken, &gdiplusStartUpInput, nullptr);
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// Initialize global strings
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LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
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LoadStringW(hInstance, IDC_RLOTTIEPLAYER, szWindowClass, MAX_LOADSTRING);
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MyRegisterClass(hInstance);
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// Perform application initialization:
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if (!InitInstance(hInstance, nCmdShow))
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{
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return FALSE;
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}
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HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_RLOTTIEPLAYER));
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MSG msg;
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// Main message loop:
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while (GetMessage(&msg, nullptr, 0, 0))
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{
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if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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Gdiplus::GdiplusShutdown(gdiplustoken);
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return (int)msg.wParam;
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}
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//
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// FUNCTION: MyRegisterClass()
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//
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// PURPOSE: Registers the window class.
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//
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ATOM MyRegisterClass(HINSTANCE hInstance)
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{
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WNDCLASSEXW wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = hInstance;
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wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_RLOTTIEPLAYER));
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wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
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wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_RLOTTIEPLAYER);
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wcex.lpszClassName = szWindowClass;
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wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
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return RegisterClassExW(&wcex);
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}
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//
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// FUNCTION: InitInstance(HINSTANCE, int)
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//
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// PURPOSE: Saves instance handle and creates main window
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//
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// COMMENTS:
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//
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// In this function, we save the instance handle in a global variable and
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// create and display the main program window.
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//
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BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
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{
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hInst = hInstance; // Store instance handle in our global variable
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DWORD dwStyle = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
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mainWindow = CreateWindowEx(0, szWindowClass, szTitle, dwStyle,
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CW_USEDEFAULT, CW_USEDEFAULT, WND_WIDTH, WND_HEIGHT, nullptr, nullptr, hInstance, nullptr);
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if (!mainWindow)
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{
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return FALSE;
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}
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ShowWindow(mainWindow, nCmdShow);
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UpdateWindow(mainWindow);
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SetMenu(mainWindow, NULL);
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return TRUE;
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}
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//
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// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
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//
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// PURPOSE: Processes messages for the main window.
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//
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// WM_COMMAND - process the application menu
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// WM_PAINT - Paint the main window
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// WM_DESTROY - post a quit message and return
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//
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//
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LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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static bool isplay = false;
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int wmId = LOWORD(wParam);
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switch (message)
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{
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case WM_CREATE:
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{
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initUIControl(hWnd);
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break;
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}
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case WM_TIMER:
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{
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switch (wmId)
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{
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case TIMER_PLAY_ANIM:
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{
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renderAnimation(curFrame + 1);
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SendMessage(hSliderPlay, TBM_SETPOS, TRUE, curFrame);
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break;
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}
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default:
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break;
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}
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break;
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}
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case WM_COMMAND:
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{
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// Parse the menu selections:
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switch (wmId)
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{
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case IDM_ABOUT:
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DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
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break;
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case IDM_EXIT:
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DestroyWindow(hWnd);
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break;
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case BTN_BROWSE:
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openJSONFileDialog(hWnd);
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break;
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case BTN_PLAY:
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{
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LPWSTR textBtnPlay;
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USES_CONVERSION;
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if (isplay)
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{
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isplay = false;
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textBtnPlay = A2W("Play");
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KillTimer(hWnd, TIMER_PLAY_ANIM);
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}
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else
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{
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isplay = true;
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textBtnPlay = A2W("Pause");
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SetTimer(hWnd, TIMER_PLAY_ANIM, 10, NULL);
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}
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SetWindowText(hBtnPlay, textBtnPlay);
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break;
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}
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case WM_DROPFILES:
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break;
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case BTN_WHITE:
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changeBackgroundColor(1, 1, 1);
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break;
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case BTN_BLACK:
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changeBackgroundColor(0, 0, 0);
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break;
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case BTN_RED:
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changeBackgroundColor(1, 0, 0);
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break;
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case BTN_GREEN:
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changeBackgroundColor(0, 1, 0);
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break;
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case BTN_BLUE:
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changeBackgroundColor(0, 0, 1);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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}
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break;
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case WM_HSCROLL:
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{
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if ((lParam != 0) && (reinterpret_cast<HWND>(lParam) == hSliderPlay))
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{
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UINT frameNum = SendDlgItemMessage(hWnd, SLIDER_PLAY, TBM_GETPOS, 0, 0);
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renderAnimation(frameNum);
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}
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else if ((lParam != 0) && (reinterpret_cast<HWND>(lParam) == hSliderCanvasResize))
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{
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static int curSize = anim.width / RESIZE_LENGTH;
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int newSize = SendDlgItemMessage(hWnd, SLIDER_CANVAS_RESIZE, TBM_GETPOS, 0, 0);
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resizeCanvas(hWnd, (curSize - newSize) * RESIZE_LENGTH);
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curSize = newSize;
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}
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break;
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}
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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HDC hdc = BeginPaint(hWnd, &ps);
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draw(hdc);
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EndPaint(hWnd, &ps);
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}
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break;
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case WM_CTLCOLORSTATIC:
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{
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static HBRUSH hBrushEdit = CreateSolidBrush(RGB(255, 255, 255));
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return (LRESULT)hBrushEdit;
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}
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case WM_DESTROY:
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freeAnimation();
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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return 0;
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}
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// Message handler for about box.
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INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
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{
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UNREFERENCED_PARAMETER(lParam);
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switch (message)
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{
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case WM_INITDIALOG:
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return (INT_PTR)TRUE;
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case WM_COMMAND:
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if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
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{
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EndDialog(hDlg, LOWORD(wParam));
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return (INT_PTR)TRUE;
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}
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break;
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}
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return (INT_PTR)FALSE;
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}
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void openJSONFileDialog(HWND hDlg)
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{
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OPENFILENAME ofn; // common dialog box structure
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TCHAR szFile[260] = { 0 }; // if using TCHAR macros
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// Initialize OPENFILENAME
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ZeroMemory(&ofn, sizeof(ofn));
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ofn.lStructSize = sizeof(ofn);
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ofn.hwndOwner = hDlg;
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ofn.lpstrFile = szFile;
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ofn.nMaxFile = sizeof(szFile);
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ofn.lpstrFilter = _T("JSON\0*.json\0");
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ofn.nFilterIndex = 1;
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ofn.lpstrFileTitle = NULL;
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ofn.nMaxFileTitle = 0;
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ofn.lpstrInitialDir = NULL;
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ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
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isViewChanged = true;
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if (GetOpenFileName(&ofn))
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{
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isViewChanged = true;
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SetWindowText(hTextFileToBeOpened, ofn.lpstrFile);
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// LPWSTR(w_char*) -> LPSTR(char*)
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USES_CONVERSION;
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LPSTR path = W2A(ofn.lpstrFile);
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setAnimation(path, &animWidth, &animHeight);
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// init play slider
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SendMessage(hSliderPlay, TBM_SETRANGE, FALSE, MAKELPARAM(0, getTotalFrame()));
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SendMessage(hSliderPlay, TBM_SETPOS, TRUE, 0);
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renderAnimation(0);
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}
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}
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void draw(HDC hdc)
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{
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Graphics gf(hdc);
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int half_interval = UI_INTERVAL / 2;
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// background
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SolidBrush brush(backColor);
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int back_y = half_interval + BTN_HEIGHT;
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int back_height = back_y + BMP_MAX_LEN + UI_INTERVAL;
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if (isViewChanged)
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{
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isViewChanged = false;
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gf.FillRectangle(&brush, 0, back_y, WND_WIDTH, back_height);
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}
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// image borderline
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Pen pen(borderColor);
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gf.DrawRectangle(&pen, anim.x - half_interval, anim.y - half_interval, anim.width + half_interval * 2, anim.height + half_interval * 2);
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// image
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if (anim.image != NULL)
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{
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gf.DrawImage(anim.image, anim.x, anim.y, anim.width, anim.height);
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}
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}
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Bitmap* CreateBitmap(void* data, unsigned int width, unsigned int height)
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{
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BITMAPINFO Info;
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memset(&Info, 0, sizeof(Info));
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Info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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Info.bmiHeader.biWidth = width;
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Info.bmiHeader.biHeight = height;
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Info.bmiHeader.biPlanes = 1;
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Info.bmiHeader.biBitCount = 32;
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Info.bmiHeader.biCompression = BI_RGB;
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Info.bmiHeader.biSizeImage = 0; //(((32 * width + 31) & ~31) / 8) * height;
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return new Gdiplus::Bitmap(&Info, data);
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}
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void renderAnimation(UINT frameNum)
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{
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if (isAnimNULL()) return;
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if (anim.image != NULL) delete anim.image;
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curFrame = frameNum % getTotalFrame();
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// render
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UINT* resRender = renderRLottieAnimation(curFrame);
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anim.image = CreateBitmap(resRender, animWidth, animHeight);
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anim.image->RotateFlip(RotateNoneFlipY);
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// call WM_PAINT message
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InvalidateRect(mainWindow, &animRect, FALSE);
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}
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void initUIControl(HWND hWnd)
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{
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int half_ui_interval = UI_INTERVAL / 2;
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// button browse
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int browse_x = UI_INTERVAL;
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int browse_y = half_ui_interval;
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CreateWindow(L"button", L"Browse", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
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browse_x, browse_y, BTN_WIDTH, BTN_HEIGHT, hWnd, (HMENU)BTN_BROWSE, hInst, NULL);
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// textbox FilePath
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int textFile_x = browse_x + BTN_WIDTH + UI_INTERVAL;
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int textFile_y = browse_y;
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hTextFileToBeOpened = CreateWindowEx(0, L"static", L"No file selected.", WS_CHILD | WS_VISIBLE | ES_LEFT,
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textFile_x, textFile_y, WND_WIDTH * 0.6, TEXT_HEIGHT, hWnd, (HMENU)TEXT_FILENAME, hInst, 0);
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// image
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anim.x = WND_WIDTH / 4;
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anim.y = browse_y + BTN_HEIGHT + UI_INTERVAL * 2;
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anim.width = BMP_MAX_LEN;
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anim.height = anim.width;
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// animating range
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SetRect(&animRect,
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anim.x - UI_INTERVAL,
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anim.y - UI_INTERVAL,
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anim.x + anim.width + UI_INTERVAL * 2,
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anim.y + anim.height + UI_INTERVAL * 2
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);
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// background range
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SetRect(&backRect,
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0,
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anim.y - UI_INTERVAL,
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WND_WIDTH,
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anim.y + anim.height + UI_INTERVAL * 2
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);
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// text Background Color
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int textBC_x = WND_WIDTH / 20;
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int textBC_y = anim.y + anim.height + UI_INTERVAL * 2;
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CreateWindowEx(0, L"static", L"Background Color", WS_CHILD | WS_VISIBLE | ES_LEFT,
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textBC_x, textBC_y, 120, TEXT_HEIGHT, hWnd, (HMENU)TEXT_FILENAME, hInst, 0);
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// radio button
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// white
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int white_x = WND_WIDTH / 20;
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int white_y = textBC_y + TEXT_HEIGHT + half_ui_interval;
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CreateWindowEx(0, L"button", L"White", WS_VISIBLE | WS_CHILD | BS_AUTORADIOBUTTON,
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white_x, white_y, RDOBTN_WIDTH, RDOBTN_HEIGHT, hWnd, (HMENU)BTN_WHITE, hInst, NULL);
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// black
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int black_x = white_x + RDOBTN_WIDTH + half_ui_interval;
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int black_y = white_y;
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CreateWindowEx(0, L"button", L"Black", WS_VISIBLE | WS_CHILD | BS_AUTORADIOBUTTON,
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black_x, black_y, RDOBTN_WIDTH, RDOBTN_HEIGHT, hWnd, (HMENU)BTN_BLACK, hInst, NULL);
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// red
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int red_x = black_x + RDOBTN_WIDTH + half_ui_interval;
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int red_y = white_y;
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CreateWindowEx(0, L"button", L"Red", WS_VISIBLE | WS_CHILD | BS_AUTORADIOBUTTON,
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red_x, red_y, RDOBTN_WIDTH, RDOBTN_HEIGHT, hWnd, (HMENU)BTN_RED, hInst, NULL);
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// green
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int green_x = red_x + RDOBTN_WIDTH + half_ui_interval;
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int green_y = white_y;
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CreateWindowEx(0, L"button", L"Green", WS_VISIBLE | WS_CHILD | BS_AUTORADIOBUTTON,
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green_x, green_y, RDOBTN_WIDTH, RDOBTN_HEIGHT, hWnd, (HMENU)BTN_GREEN, hInst, NULL);
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// blue
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int blue_x = green_x + RDOBTN_WIDTH + half_ui_interval;
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int blue_y = white_y;
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CreateWindowEx(0, L"button", L"Blue", WS_VISIBLE | WS_CHILD | BS_AUTORADIOBUTTON,
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blue_x, blue_y, RDOBTN_WIDTH, RDOBTN_HEIGHT, hWnd, (HMENU)BTN_BLUE, hInst, NULL);
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CheckRadioButton(hWnd, BTN_WHITE, BTN_BLUE, BTN_WHITE);
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// text Canvas Resize
|
||||
int textCR_x = WND_WIDTH / 2;
|
||||
int textCR_y = textBC_y;
|
||||
CreateWindowEx(0, L"static", L"Canvas Resize", WS_CHILD | WS_VISIBLE | ES_LEFT,
|
||||
textCR_x, textCR_y, 120, TEXT_HEIGHT, hWnd, (HMENU)TEXT_FILENAME, hInst, 0);
|
||||
|
||||
// slider Canvas Resize
|
||||
int sliderCR_x = textCR_x;
|
||||
int sliderCR_y = textCR_y + TEXT_HEIGHT + half_ui_interval;
|
||||
hSliderCanvasResize = CreateWindowExW(0, TRACKBAR_CLASSW, NULL, WS_CHILD | WS_VISIBLE | TBS_FIXEDLENGTH | TBS_NOTICKS,
|
||||
sliderCR_x, sliderCR_y, WND_WIDTH * 0.2, SLIDER_HEIGHT, hWnd, (HMENU)SLIDER_CANVAS_RESIZE, hInst, NULL);
|
||||
|
||||
// init resize slider
|
||||
UINT sizeSlider = anim.width / RESIZE_LENGTH;
|
||||
SendMessage(hSliderCanvasResize, TBM_SETRANGE, FALSE, MAKELPARAM(0, sizeSlider));
|
||||
SendMessage(hSliderCanvasResize, TBM_SETPOS, TRUE, sizeSlider);
|
||||
|
||||
// button play
|
||||
int btnPlay_x = WND_WIDTH / 10;
|
||||
int btnPlay_y = red_y + RDOBTN_HEIGHT + UI_INTERVAL * 2;
|
||||
hBtnPlay = CreateWindow(L"button", L"Play", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
|
||||
btnPlay_x, btnPlay_y, BTN_WIDTH, BTN_HEIGHT, hWnd, (HMENU)BTN_PLAY, hInst, NULL);
|
||||
|
||||
// slider play
|
||||
int sliderPlay_x = btnPlay_x + BTN_WIDTH + UI_INTERVAL;
|
||||
int sliderPlay_y = btnPlay_y;
|
||||
hSliderPlay = CreateWindowExW(0, TRACKBAR_CLASSW, NULL, WS_CHILD | WS_VISIBLE | TBS_FIXEDLENGTH | TBS_NOTICKS,
|
||||
sliderPlay_x, sliderPlay_y, WND_WIDTH * 0.6, SLIDER_HEIGHT, hWnd, (HMENU)SLIDER_PLAY, hInst, NULL);
|
||||
}
|
||||
|
||||
void resizeCanvas(HWND hWnd, int resizeValue)
|
||||
{
|
||||
isViewChanged = true;
|
||||
anim.x += resizeValue / 2;
|
||||
anim.y += resizeValue / 2;
|
||||
anim.width -= resizeValue;
|
||||
anim.height -= resizeValue;
|
||||
InvalidateRect(hWnd, &animRect, TRUE);
|
||||
}
|
||||
|
||||
void changeBackgroundColor(int r, int g, int b)
|
||||
{
|
||||
isViewChanged = true;
|
||||
backColor = Gdiplus::Color(r * 255, g * 255, b * 255);
|
||||
if (r + g + b == 0) borderColor = Gdiplus::Color(255, 255, 255);
|
||||
else borderColor = Gdiplus::Color(0, 0, 0);
|
||||
setAnimationColor(r, g, b);
|
||||
renderAnimation(curFrame);
|
||||
InvalidateRect(mainWindow, &backRect, FALSE);
|
||||
}
|
||||
Reference in new issue
Block a user