sgpemv2/src/cairo_elements.hh

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// src/cairo_elements.hh - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef CAIRO_ELEMENTS_HH
#define CAIRO_ELEMENTS_HH 1
#include "config.h"
#include "backend/thread.hh"
#include "backend/process.hh"
#include <cairo.h>
namespace sgpem
{
struct Point
{
Point(float X, float Y)
: x(X), y(Y) {}
float x;
float y;
};
struct Rectangle
{
Rectangle(float X0, float Y0, float W, float H)
: x0(X0), y0(Y0), w(W), h(H) {}
float x0;
float y0;
float w;
float h;
};
struct Color
{
Color(float R, float G, float B)
: r(R), g(G), b(B) {}
float r;
float g;
float b;
};
class CairoElements
{
public:
CairoElements(cairo_t* const ctx);
void draw_3dsphere(const Point& center, float radius, const Color& cl);
void draw_3dcube(const Rectangle& area, const Color& cl);
void draw_container(const Rectangle& area);
void draw_expandable(const Rectangle& area, bool expanded = false);
private:
cairo_t* _ctx;
};
} //~ namespace sgpem
#endif //~ CAIRO_ELEMENTS_HH