104 lines
2.1 KiB
C++
104 lines
2.1 KiB
C++
#include "Runtime.h"
|
|
|
|
#include <cairo/cairo.h>
|
|
#include <string>
|
|
|
|
|
|
class Turtle {
|
|
public:
|
|
Turtle(int sizeX, int sizeY) {
|
|
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, sizeX, sizeY);
|
|
context = cairo_create(surface);
|
|
reset();
|
|
}
|
|
|
|
virtual ~Turtle() {
|
|
cairo_destroy(context);
|
|
cairo_surface_destroy(surface);
|
|
}
|
|
|
|
void reset() {
|
|
setColor(1, 1, 1);
|
|
paint();
|
|
setLineWidth(3);
|
|
setColor(1, 0, 0);
|
|
moveTo(0, 0);
|
|
}
|
|
|
|
void setColor(double r, double g, double b) {
|
|
cairo_set_source_rgb(context, r, g, b);
|
|
}
|
|
|
|
void setLineWidth(double size) {
|
|
cairo_set_line_width(context, size);
|
|
}
|
|
|
|
void paint() {
|
|
cairo_paint(context);
|
|
}
|
|
|
|
void moveTo(double x, double y) {
|
|
cairo_move_to(context, x, y);
|
|
}
|
|
|
|
void rectangleTo(double width, double height) {
|
|
double baseX;
|
|
double baseY;
|
|
|
|
cairo_get_current_point(context, &baseX, &baseY);
|
|
cairo_rectangle(context, baseX, baseY, width, height);
|
|
cairo_fill(context);
|
|
|
|
moveTo(baseX, baseY);
|
|
}
|
|
|
|
void lineTo(double x, double y) {
|
|
cairo_line_to(context, x, y);
|
|
cairo_stroke(context);
|
|
moveTo(x, y);
|
|
}
|
|
|
|
void save(char const* filename) {
|
|
cairo_surface_write_to_png(surface, filename);
|
|
}
|
|
|
|
void save(std::string const& filename) {
|
|
save(filename.c_str());
|
|
}
|
|
|
|
private:
|
|
cairo_surface_t *surface;
|
|
cairo_t *context;
|
|
};
|
|
|
|
static Turtle *turtle = 0;
|
|
|
|
extern "C" {
|
|
|
|
void cofandina(Monicelli_Int x, Monicelli_Int y) {
|
|
if (turtle != 0) delete turtle;
|
|
turtle = new Turtle(x, y);
|
|
}
|
|
|
|
void pulitina(Monicelli_Double r, Monicelli_Double g, Monicelli_Double b) {
|
|
turtle->setColor(r, g, b);
|
|
}
|
|
|
|
void pastene(Monicelli_Double size) {
|
|
turtle->setLineWidth(size);
|
|
}
|
|
|
|
void muovi(Monicelli_Double x, Monicelli_Double y) {
|
|
turtle->moveTo(x, y);
|
|
}
|
|
|
|
void ispettore(Monicelli_Double x, Monicelli_Double y) {
|
|
turtle->lineTo(x, y);
|
|
}
|
|
|
|
void barilotto() {
|
|
turtle->save("barilotto.png");
|
|
}
|
|
|
|
} // extern
|