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// Copyright 2007 by Robert Schuster <robertschuster@fsfe.org>
// Basic drawing and converting operations for Qonk
// If not explicitly told otherwise coordinate values are
// in game units.
#ifndef CANVAS_H
#define CANVAS_H
#include <SDL/SDL.h>
#include "guichan/sdl.hpp"
class Coordinate;
class Font;
class Canvas
{
public:
static void alphaBlend( SDL_Surface* surface, Uint8 alpha );
static void drawSelector( Coordinate&, Sint16 offset,
Sint16 width, Sint16 height,
Uint8 R, Uint8 G, Uint8 B );
static void drawNearestPlanetSelector(Coordinate&, int);
static void drawPlanet(Coordinate&, int size, Uint32 color);
static void drawPlanetMapped(int x, int y, int size, Uint32 color);
static void drawResidentShip(Coordinate& shipLocation, Coordinate& planetLocation,
int color);
static void drawFlyingShip(Coordinate&, double direction, int color);
static void drawSelection(Coordinate&);
static void drawOrbit(Coordinate&, double rotationDistance, int color);
static void drawBuildProgress(Coordinate&, int, double);
static void drawText(int, int, const char *, int, int, int, int a=255);
static int getFontHeight();
static void drawBox(int x, int y, int w, int h, int r, int g, int b);
static void drawRadar();
static void drawSun();
static void drawStar(int x, int y, int brightness);
static void drawSonar(Coordinate coord, int size, double percentage, int r, int g, int b, bool circle);
static void drawPlayerStat(int size, int index, int previousValue, int currentValue, int r, int g, int b);
static void drawMouseSelection(Coordinate &c1, Coordinate &c2);
static void drawCursor(int, int);
static void updateScreen();
static void initScreen();
static void shutdown();
static gcn::SDLGraphics *getSDLGraphics();
private:
static gcn::SDLGraphics *sdlGraphics;
static SDL_Surface* main;
static Font *font;
};
#endif /* CANVAS_H */
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