ECG/exercise2/include/line_fill_tool.h
2019-05-11 10:51:24 +02:00

41 lines
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1.2 KiB
C++

//
// This source code is property of the Computer Graphics and Visualization
// chair of the TU Dresden. Do not distribute in modified or unmodified form!
// Copyright (C) 2016 CGV TU Dresden - All Rights Reserved
//
/*************************************************************************
Line-fill tool.
This class is inherited from "tool_base" to define a tool for filling
shapes using the scan line algorithm on a canvas_buffer.
Read the information in "tool_base.h" for more information.
*************************************************************************/
#pragma once
// provides the declaration of the super class tool_base
#include "tool_base.h"
// needed for a double ended queue
#include <deque>
using namespace std;
// A line to be filled
struct waiting_line {
int x, y;
};
class line_fill_tool: public tool_base
{
public:
// Initialize the tool and store a reference of a canvas_buffer
line_fill_tool(canvas_buffer &canvas);
// Fill the shape that contains the point (x, y)
void draw(int x, int y);
// Put debug output into the stream "stream" to be displayed in the
// main window
void set_text(stringstream& stream);
};