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Diffstat (limited to 'src/uiDraw.h')
| -rw-r--r-- | src/uiDraw.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/uiDraw.h b/src/uiDraw.h new file mode 100644 index 0000000..c282a3b --- /dev/null +++ b/src/uiDraw.h @@ -0,0 +1,135 @@ +/*********************************************************************** + * Header File: + * User Interface Draw : put pixels on the screen + * Author: + * Br. Helfrich + * Summary: + * This is the code necessary to draw on the screen. We have a collection + * of procedural functions here because each draw function does not + * retain state. In other words, they are verbs (functions), not nouns + * (variables) or a mixture (objects) + ************************************************************************/ + +#ifndef UI_DRAW_H +#define UI_DRAW_H + +#include <string> // To display text on the screen +#include <cmath> // for M_PI, sin() and cos() +#include "point.h" // Where things are drawn +using std::string; + +/************************************************************************ + * DRAW DIGIT + * Draw a single digit in the old school line drawing style. The + * size of the glyph is 8x11 or x+(0..7), y+(0..10) + *************************************************************************/ +void drawDigit(const Point & topLeft, char digit); + +/************************************************************************* + * DRAW NUMBER + * Display an integer on the screen using the 7-segment method + *************************************************************************/ +void drawNumber(const Point & topLeft, int number); + +/************************************************************************* + * DRAW TEXT + * Draw text using a simple bitmap font + ************************************************************************/ +void drawText(const Point & topLeft, const char * text); + +/************************************************************************ + * ROTATE + * Rotate a given point (point) around a given origin (center) by a given + * number of degrees (angle). + *************************************************************************/ +void rotate(Point & point, const Point & origin, int rotation = 0); + +/************************************************************************ + * DRAW RECTANGLE + * Draw a rectangle on the screen centered on a given point (center) of + * a given size (width, height), and at a given orientation (rotation) + * measured in degrees (0 - 360) + *************************************************************************/ +void drawRect(const Point & center, int width, int height, int rotation); + +/************************************************************************ + * DRAW CIRCLE + * Draw a circle from a given location (center) of a given size (radius). + *************************************************************************/ +void drawCircle(const Point & center, int radius); + +/************************************************************************ + * DRAW POLYGON + * Draw a polygon from a given location (center) of a given size (radius). + *************************************************************************/ +void drawPolygon(const Point & center, + int radius = 20, + int points = 4, + int rotation = 0); + +/************************************************************************ + * DRAW LINE + * Draw a line on the screen from the beginning to the end. + *************************************************************************/ +void drawLine(const Point & begin, const Point & end, + float red = 1.0, float green = 1.0, float blue = 1.0); + + +/*********************************************************************** + * DRAW Lander + * Draw a moon-lander spaceship on the screen at a given point + ***********************************************************************/ +void drawLander(const Point & point); + +/*********************************************************************** + * DRAW Lander Flame + * Draw the flames coming out of a moonlander for thrust + ***********************************************************************/ +void drawLanderFlames(const Point & point, + bool bottom, + bool left, + bool right); + +/************************************************************************ + * DRAW DOT + * Draw a single point on the screen, 2 pixels by 2 pixels + *************************************************************************/ +void drawDot(const Point & point); + +/************************************************************************ + * DRAW Sacred Bird + * Draw the bird on the screen + *************************************************************************/ +void drawSacredBird(const Point & center, float radius); + +/************************************************************************ + * DRAW Tough Bird + * Draw a tough bird on the screen + *************************************************************************/ +void drawToughBird(const Point & center, float radius, int hits); + +/************************************************************************ + * DRAW Ship + * Draw the spaceship on the screen + *************************************************************************/ +void drawShip(const Point & point, int rotation, bool thrust = false); + +/********************************************************************** + * DRAW * ASTEROID + **********************************************************************/ +void drawSmallAsteroid( const Point & point, int rotation); +void drawMediumAsteroid(const Point & point, int rotation); +void drawLargeAsteroid( const Point & point, int rotation); + +/****************************************************************** + * RANDOM + * This function generates a random number. The user specifies + * The parameters + * INPUT: min, max : The number of values (min <= num <= max) + * OUTPUT <return> : Return the integer + ****************************************************************/ +int random(int min, int max); +double random(double min, double max); + + +#endif // UI_DRAW_H |