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neo/framework/DebugGraph.h

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+/*
+===========================================================================
+
+Doom 3 BFG Edition GPL Source Code
+Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
+
+Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+#ifndef __DEBUGGRAPH_H__
+#define __DEBUGGRAPH_H__
+
+/*
+================================================================================================
+Contains the DebugGraph declaration.
+================================================================================================
+*/
+
+/*
+================================================
+The *Debug Graph, idDebugGraph, contains graphing functionality common to many debug tools.
+================================================
+*/
+class idDebugGraph {
+public:
+	idDebugGraph( int numItems = 0 );
+
+	void	Enable( bool b ) { enable = b; }
+
+	// create a graph with the specified number of bars
+	void	Init( int numBars );
+
+	void	AddGridLine( float value, const idVec4 & color );
+
+	// sets a bar value, pass -1 to append an element
+	void	SetValue( int b, float value, const idVec4 & color );
+	float	GetValue( int b ) { return bars[b].value; }
+
+	// sets a bar label
+	void	SetLabel( int b, const char * text );
+
+	enum fillMode_t {
+		GRAPH_LINE,				// only draw a single top line for each bar
+		GRAPH_FILL,				// fill the entire bar from the bottom (or left)
+		GRAPH_FILL_REVERSE,		// fill the entire bar from the top (or right)
+	};
+	void	SetFillMode( fillMode_t m ) { mode = m; }
+
+	// render the graph sideways?
+	void	SetSideways( bool s ) { sideways = s; }
+
+	// the background color is what's drawn between bars and in the empty space
+	void	SetBackgroundColor( const idVec4 & color ) { bgColor = color; }
+	void	SetLabelColor( const idVec4 & color ) { fontColor = color; }
+
+	// the border specifies the amount of space between bars as well as the amount of space around the entire graph
+	void	SetBorder( float b ) { border = b; }
+
+	// set the screen position for the graph
+	void	SetPosition( float x, float y, float w, float h ) { position.Set( x, y, w, h ); }
+
+	void	Render( idRenderSystem * gui );
+
+private:
+	const class idMaterial * white;
+	const class idMaterial * font;
+
+	idVec4	bgColor;
+	idVec4	fontColor;
+	fillMode_t mode;
+	bool	sideways;
+	float	border;
+	idVec4	position;
+	bool	enable;
+
+	struct graphPlot_t {
+		float	value;
+		idVec4	color;
+	};
+	idList< graphPlot_t >	bars;
+	idList< graphPlot_t >	grid;
+	idList< idStr >			labels;
+};
+
+#endif