third-party libs

third-party/BugTrap-1.3-57bd515/source/ImageView.h

@@ -0,0 +1,110 @@
+/*
+ * This is a part of the BugTrap package.
+ * Copyright (c) 2005-2009 IntelleSoft.
+ * All rights reserved.
+ *
+ * Description: Image view control class.
+ * Author: Maksim Pyatkovskiy.
+ *
+ * This source code is only intended as a supplement to the
+ * BugTrap package reference and related electronic documentation
+ * provided with the product. See these sources for detailed
+ * information regarding the BugTrap package.
+ */
+
+#pragma once
+
+/// Image view control class.
+class CImageView
+{
+public:
+	/// Initialize the object.
+	CImageView(void);
+	/// De-initialize the object.
+	~CImageView(void);
+	/// Attach image view object to window handle.
+	void Attach(HWND hwnd);
+	/// Detach image view object to window handle.
+	void Detach(void);
+	/// Set image information.
+	void SetImage(HBITMAP hBitmap);
+	/// Reset image information.
+	void ResetImage(void);
+	/// Get image handle.
+	HBITMAP GetImageHandle(void) const;
+	/// Fit image to actual window size.
+	void FitImage(void);
+	/// Reset image size.
+	void ResetSize(void);
+	/// Zoom in image.
+	void ZoomIn(void);
+	/// Zoom out image.
+	void ZoomOut(void);
+
+	enum
+	{
+		/// Number of symbols in one line.
+		LINE_WIDTH = 16,
+		/// Number of cached lines.
+		NUMBER_OF_CACHED_LINES = 2000,
+		/// Size of cache.
+		CACHE_SIZE = LINE_WIDTH * NUMBER_OF_CACHED_LINES
+	};
+
+private:
+	/// Protect the class from being accidentally copied.
+	CImageView(const CImageView& rImageView);
+	/// Protect the class from being accidentally copied.
+	CImageView& operator=(const CImageView& rImageView);
+	/// Window procedure of image view window.
+	static LRESULT CALLBACK ImageViewWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
+	/// Draw window client area.
+	void DrawImageView(HDC hdc, const RECT* prcPaint);
+	/// Resize image view client area.
+	void ResizeImageView(BOOL bIgnoreScrollPos);
+	/// Scroll image view client area.
+	void ScrollImageView(int nScrollBarType, int nScrollCode);
+	/// Resize image.
+	void ResizeImage(void);
+	/// Initialize variables.
+	void InitVars(void);
+	/// Get client rectangle with no scrollbars.
+	void GetBiggestClientRect(RECT* prcClient);
+
+	/// Initial image handle.
+	HBITMAP m_hBitmap;
+	/// Initial bitmap size.
+	SIZE m_szBitmapSize;
+	/// Image handle with adjusted size.
+	HBITMAP m_hAdjustedBitmap;
+	/// Adjusted bitmap size.
+	SIZE m_szAjustedBitmapSize;
+	/// Window handle.
+	HWND m_hwnd;
+	/// Old static window procedure.
+	WNDPROC m_pfnOldImageViewWndProc;
+	/// Number of first cache lined.
+	DWORD m_dwFirstCachedLine;
+	/// Old window style.
+	LONG m_lOldStyle;
+	/// Number of wheel lines.
+	int m_nWheelLines;
+};
+
+inline CImageView::CImageView(void) : m_hAdjustedBitmap(NULL)
+{
+	InitVars();
+}
+
+inline CImageView::~CImageView(void)
+{
+	ResetImage();
+}
+
+/**
+ * @return image handle.
+ */
+inline HBITMAP CImageView::GetImageHandle(void) const
+{
+	return m_hBitmap;
+}