source: cpp/frams/canvas/canvasutil.cpp

// This file is a part of Framsticks SDK.  http://www.framsticks.com/
// Copyright (C) 1999-2015  Maciej Komosinski and Szymon Ulatowski.
// See LICENSE.txt for details.

#include "canvasutil.h"

static int std_unknown_symbol[] = { 12, 1, 4, 25, 25, 75, 25, 75, 75, 25, 75, 25, 25 };
static int std_neuron_symbol[] = { 12, 1, 4, 75, 50, 25, 0, 25, 99, 75, 50, 100, 50 };
static int std_inputonly_symbol[] = { 14, 1, 5, 25, 40, 35, 40, 45, 50, 35, 60, 25, 60, 25, 40 };
static int std_outputonly_symbol[] = { 18, 1, 7, 75, 50, 75, 60, 55, 60, 65, 50, 55, 40, 75, 40, 75, 50, 100, 50 };

int* drawNeuroSymbol(CanvasDrawing* c, NeuroClass* cl, int x, int y, int w, int h)
{
        int *data = std_unknown_symbol;
        if (cl)
        {
                data = cl->getSymbolGlyph();
                if (!data)
                {
                        if (cl->getPreferredInputs() == 0)
                                data = std_outputonly_symbol;
                        else if (cl->getPreferredOutput() == 0)
                                data = std_inputonly_symbol;
                        else data = std_neuron_symbol;
                }
        }
        drawVector(c, data, x, y, w, h);
        return data;
}

void drawVector(CanvasDrawing* c, int data[], int x, int y, int w, int h)
{
        if (!data) return;
        Pixel p;
        data++;
        for (int NL = *(data++); NL > 0; NL--)
        {
                int NS = *(data++);
                p.x = x + (*(data++)*w) / 100;
                p.y = y + (*(data++)*h) / 100;
                c->moveTo(p);
                for (; NS > 0; NS--)
                {
                        p.x = x + (*(data++)*w) / 100;
                        p.y = y + (*(data++)*h) / 100;
                        c->lineTo(p);
                }
        }
}