fltk/test/unittest_complex_shapes.cxx
2022-02-19 12:55:06 +01:00

122 lines
3.7 KiB
C++

//
// Unit tests for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2022 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#include "unittests.h"
#include <FL/Fl_Box.H>
#include <FL/fl_draw.H>
#if 0
// TODO:
void fl_push_matrix()
void fl_pop_matrix()
void fl_scale(double x,double y)
void fl_scale(double x)
void fl_translate(double x,double y)
void fl_rotate(double d)
void fl_mult_matrix(double a,double b,double c,double d,double x,double y)
double fl_transform_x(double x, double y)
double fl_transform_y(double x, double y)
double fl_transform_dx(double x, double y)
double fl_transform_dy(double x, double y)
void fl_transformed_vertex(double xf, double yf)
void fl_begin_points()
void fl_end_points()
void fl_begin_line()
void fl_end_line()
void fl_begin_loop()
void fl_end_loop()
void fl_begin_polygon()
void fl_end_polygon()
void fl_begin_complex_polygon()
void fl_gap()
void fl_end_complex_polygon()
void fl_vertex(double x,double y)
void fl_curve(double X0, double Y0, double X1, double Y1, double X2, double Y2, double X3, double Y3)
void fl_arc(double x, double y, double r, double start, double end)
void fl_circle(double x, double y, double r)
#endif
//
//------- test Complex Shape drawing capabilities of this implementation ----------
//
class ComplexShapesTest : public Fl_Box {
public:
static Fl_Widget *create() {
return new ComplexShapesTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
}
ComplexShapesTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) {
label("Testing complex shape drawing.\n\n"
"Complex Shapes in FLTK are rendered using floating point coordinates "
"which can be transformed through a matrix.");
align(FL_ALIGN_INSIDE|FL_ALIGN_BOTTOM|FL_ALIGN_LEFT|FL_ALIGN_WRAP);
box(FL_BORDER_BOX);
}
void draw() {
Fl_Box::draw();
int i, a = x()+10, b = y()+10; fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
// testing fl_xyline(x, y, x1)
fl_color(FL_RED); fl_point(a+10, b+10); fl_point(a+20, b+10);
fl_color(FL_BLACK); fl_xyline(a+10, b+10, a+20);
// testing fl_xyline(x, y, x1, y2);
fl_color(FL_RED); fl_point(a+10, b+20); fl_point(a+20, b+20);
fl_point(a+20, b+30);
fl_color(FL_BLACK); fl_xyline(a+10, b+20, a+20, b+30);
// testing fl_xyline(x, y, x1, y2, x3);
fl_color(FL_RED); fl_point(a+10, b+40); fl_point(a+20, b+40);
fl_point(a+20, b+50); fl_point(a+30, b+50);
fl_color(FL_BLACK); fl_xyline(a+10, b+40, a+20, b+50, a+30);
//+++ add testing for the fl_yxline commands!
// testing fl_loop(x,y, x,y, x,y, x, y)
fl_color(FL_RED); fl_point(a+60, b+60); fl_point(a+90, b+60);
fl_point(a+60, b+90); fl_point(a+90, b+90);
fl_color(FL_BLACK);
fl_loop(a+60, b+60, a+90, b+60, a+90, b+90, a+60, b+90);
a = x()+120, b = y()+10; fl_color(FL_BLACK); fl_rect(a, b, 203, 203);
a += 101; b += 101;
fl_color(0xff888800);
for (i=-80; i<=80; i+=20) fl_line(a, b, a+i, b-100);
fl_color(0xff444400);
for (i=-80; i<=80; i+=20) fl_line(a, b, a+i, b+100);
fl_color(0x88ff8800);
for (i=-80; i<=80; i+=20) fl_line(a, b, a-100, b+i);
fl_color(0x44ff4400);
for (i=-80; i<=80; i+=20) fl_line(a, b, a+100, b+i);
fl_color(0x8888ff00);
fl_line(a, b, a-100, b-100);
fl_line(a, b, a+100, b-100);
fl_line(a, b, a+100, b+100);
fl_line(a, b, a-100, b+100);
}
};
//UnitTest lines(kTestComplexShapes, "Complex Shapes", ComplexShapesTest::create);