uid issue

utils/hlfaceposer/choreowidgetdrawhelper.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CHOREOWIDGETDRAWHELPER_H
+#define CHOREOWIDGETDRAWHELPER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include <mxtk/mx.h>
+#include "choreowidget.h"
+#include "utlvector.h"
+#include "color.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Helper class that automagically sets up and destroys a memory device-
+//  context for flicker-free refershes
+//-----------------------------------------------------------------------------
+class CChoreoWidgetDrawHelper
+{
+public:
+	// Construction/destruction
+				CChoreoWidgetDrawHelper( mxWindow *widget);
+				CChoreoWidgetDrawHelper( mxWindow *widget, const Color& bgColor );
+				CChoreoWidgetDrawHelper( mxWindow *widget, int x, int y, int w, int h, const Color& bgColor );
+				CChoreoWidgetDrawHelper( mxWindow *widget, RECT& bounds );
+				CChoreoWidgetDrawHelper( mxWindow *widget, RECT& bounds, const Color& bgColor );
+
+				CChoreoWidgetDrawHelper( mxWindow *widget, RECT& bounds, bool noPageFlip );
+
+	virtual		~CChoreoWidgetDrawHelper( void );
+
+	// Allow caller to draw onto the memory dc, too
+	HDC			GrabDC( void );
+
+	// Compute text size
+	static int	CalcTextWidth( const char *font, int pointsize, int weight, const char *fmt, ... );
+	static int	CalcTextWidth( HFONT font, const char *fmt, ... );
+
+	static int	CalcTextWidthW( const char *font, int pointsize, int weight, const wchar_t *fmt, ... );
+	static int	CalcTextWidthW( HFONT font, const wchar_t *fmt, ... );
+
+	void		DrawColoredTextW( const char *font, int pointsize, int weight, const Color& clr, RECT& rcText, const wchar_t *fmt, ... );
+	void		DrawColoredTextW( HFONT font, const Color& clr, RECT& rcText, const wchar_t *fmt, ... );
+	void		DrawColoredTextCharsetW( const char *font, int pointsize, int weight, DWORD charset, const Color& clr, RECT& rcText, const wchar_t *fmt, ... );
+
+	void		CalcTextRect( const char *font, int pointsize, int weight, int maxwidth, RECT& rcText, const char *fmt, ... );
+
+	// Draw text
+	void		DrawColoredText( const char *font, int pointsize, int weight, const Color& clr, RECT& rcText, const char *fmt, ... );
+	void		DrawColoredText( HFONT font, const Color& clr, RECT& rcText, const char *fmt, ... );
+	void		DrawColoredTextCharset( const char *font, int pointsize, int weight, DWORD charset, const Color& clr, RECT& rcText, const char *fmt, ... );
+	void		DrawColoredTextMultiline( const char *font, int pointsize, int weight, const Color& clr, RECT& rcText, const char *fmt, ... );
+	// Draw a line
+	void		DrawColoredLine( const Color& clr, int style, int width, int x1, int y1, int x2, int y2 );
+	void		DrawColoredPolyLine( const Color& clr, int style, int width, CUtlVector< POINT >& points );
+
+	// Draw a blending ramp
+	POINTL		DrawColoredRamp( const Color& clr, int style, int width, int x1, int y1, int x2, int y2, float rate, float sustain );
+	// Draw a filled rect
+	void		DrawFilledRect( const Color& clr, int x1, int y1, int x2, int y2 );
+	// Draw an outlined rect
+	void		DrawOutlinedRect( const Color& clr, int style, int width, int x1, int y1, int x2, int y2 );
+	void		DrawOutlinedRect( const Color& clr, int style, int width, RECT& rc );
+
+	void		DrawFilledRect( HBRUSH br, RECT& rc );
+	void		DrawFilledRect( const Color& clr, RECT& rc );
+
+	void		DrawGradientFilledRect( RECT& rc, const Color& clr1, const Color& clr2, bool vertical );
+
+	void		DrawLine( int x1, int y1, int x2, int y2, const Color& clr, int thickness );
+
+	// Draw a triangle
+	void		DrawTriangleMarker( RECT& rc, const Color& fill, bool inverted = false );
+
+	void		DrawCircle( const Color& clr, int x, int y, int radius, bool filled = true );
+
+	// Get width/height of draw area
+	int			GetWidth( void );
+	int			GetHeight( void );
+
+	// Get client rect for drawing
+	void		GetClientRect( RECT& rc );
+
+	void		StartClipping( RECT& clipRect );
+	void		StopClipping( void );
+
+	// Remap rect if we're using a clipped viewport
+	void		OffsetSubRect( RECT& rc );
+
+private:
+	// Internal initializer
+	void		Init( mxWindow *widget, int x, int y, int w, int h, const Color& bgColor, bool noPageFlip );
+
+	void		ClipToRects( void );
+
+	// The window we are drawing on
+	HWND		m_hWnd;
+	// The final DC
+	HDC			m_dcReal;
+	// The working DC
+	HDC			m_dcMemory;
+	// Client area and offsets
+	RECT		m_rcClient;
+	int			m_x, m_y;
+	int			m_w, m_h;
+	// Bitmap for drawing in the memory DC
+	HBITMAP		m_bmMemory;
+	HBITMAP		m_bmOld;
+	// Remember the original default color
+	Color	m_clrOld;
+
+	CUtlVector < RECT > m_ClipRects;
+	HRGN		m_ClipRegion;
+
+	bool		m_bNoPageFlip;
+};
+
+#endif // CHOREOWIDGETDRAWHELPER_H