55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#pragma once
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#include "Resource.h"
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const FLOAT DEFAULT_DPI = 96.f; // Default DPI that maps image resolution directly to screen resoltuion
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/******************************************************************
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* *
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* DemoApp *
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* *
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******************************************************************/
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class DemoApp
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{
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public:
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DemoApp();
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~DemoApp();
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HWND Initialize(HINSTANCE hInstance);
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private:
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BOOL LocateImageFile(HWND hWnd, LPWSTR pszFileName, DWORD cbFileName);
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HRESULT CreateProgressiveCtrlFromFile(HWND hWnd);
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HRESULT CreateD2DBitmapFromProgressiveCtrl(HWND hWnd, UINT uLevel);
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HRESULT IncreaseProgressiveLevel(HWND hWnd);
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HRESULT DecreaseProgressiveLevel(HWND hWnd);
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HRESULT CreateDeviceResources(HWND hWnd);
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HWND CreateStatusBar(HWND hWndParent, UINT nStatusID, UINT nParts);
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LRESULT WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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LRESULT OnPaint(HWND hWnd);
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LRESULT OnSize(LPARAM lParam);
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static LRESULT CALLBACK s_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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private:
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HINSTANCE m_hInst;
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HWND m_hStatusWnd;
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IWICImagingFactory *m_pIWICFactory;
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UINT m_uCurrentLevel;
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UINT m_uLevelCount;
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ID2D1Factory *m_pD2DFactory;
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ID2D1HwndRenderTarget *m_pRT;
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IWICBitmapFrameDecode *m_pSourceFrame;
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ID2D1Bitmap *m_pD2DBitmap;
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IWICFormatConverter *m_pConvertedSourceBitmap;
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}; |