Jan Wolfsberger / Sensor

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Dependencies:   CommandHandler HygroClip2 InterruptBasedEncoder SPI_TFT_ILI9341 mbed-src-no-hal

GraphScale.cpp

Committer:
wolfsberger
Date:
2016-02-16
Revision:
0:9ed7238d49e2
Child:
2:81fc8f80fdb4

File content as of revision 0:9ed7238d49e2:

#include "GraphScale.h"

GraphScale::GraphScale(SPI_TFT_ILI9341 * tft, int x, int y, int width, int height, int min, int max, int scaleSteps)
    : tft_(tft), x_(x), y_(y), width_(width), height_(height), min_(min), max_(max), scaleSteps_(scaleSteps)
{   
}

void GraphScale::draw(int color)
{
    int x1 = x_-1;
    int x2 = x_+width_+1;
    int y1 = y_-1;
    int y2 = y_+height_+1;
    
    tft_->rect(x1, y1, x2, y2, color);
    
    int stepsize = height_ / ((max_-min_) / scaleSteps_);
    int stepposition = min_;
      
    for(uint16_t i = 0; i <= height_; i += stepsize)
    {       
        uint16_t yPos = y2-i-1;
        tft_->line(x2, yPos, x2+5, yPos, color);
        tft_->locate(x2+10,yPos-6);
        tft_->printf("%d",stepposition);
        
        stepposition += scaleSteps_;
    }
}