u02: Fix warnings by -Wall

This actually found one logic bug.
This commit is contained in:
Simon Bruder 2023-05-20 11:39:26 +02:00
parent f46e54a156
commit 1bd2d3a2a5
3 changed files with 20 additions and 17 deletions

View file

@ -56,7 +56,7 @@ void star_tool::draw(int x0, int y0, int x1, int y1) {
const std::vector<std::pair<float, float>> points =
star(spikes, radius_factor * r, r, x0, y0, angle);
for (int i = 1; i <= points.size(); i++) {
for (size_t i = 1; i <= points.size(); i++) {
blt->draw(round(points[i - 1].first), round(points[i - 1].second),
round(points[i % points.size()].first),
round(points[i % points.size()].second));

View file

@ -44,21 +44,23 @@ void sweep_line_tool::draw() { draw(10, 10, 90, 30, 30, 90); }
void sweep_line_tool::draw(int _x, int _y) { draw(); }
void sweep_line_tool::draw(int x0, int y0, int x1, int y1, int x2, int y2) {
// Terminology:
//
// (x0, y0)
// +
// | \
// | \ m_1
// |first\
// | pass \
// m_shared |---------+ (x1, y1)
// |second /
// |pass /
// | / m_2
// | /
// +
// (x2, y2)
/*
* Terminology:
*
* (x0, y0)
* +
* | \
* | \ m_1
* |first\
* | pass \
* m_shared |---------+ (x1, y1)
* |second /
* |pass /
* | / m_2
* | /
* +
* (x2, y2)
*/
// Sort triangle points (in place) so that y0 < y1 < y2
sort_triangle_points(x0, y0, x1, y1, x2, y2);

View file

@ -128,6 +128,7 @@ TEST_CASE("Bresenham/DDA line tool (prop: for every row/column, only one pixel "
const int tool_idx = GENERATE(0, 1);
switch (tool_idx) {
case 0:
default: // required to make static compiler warnings happy
tool = tool_bresenham;
break;
case 1:
@ -192,7 +193,6 @@ TEST_CASE("Bresenham/DDA line tool (prop: for every row/column, only one pixel "
TEST_CASE("Fill (recursive and non recursive) test shape") {
canvas_buffer *canvas = new canvas_buffer(100, 100);
bresenham_line_tool *tool_line = new bresenham_line_tool(*canvas);
recursive_fill_tool *tool_fill_recursive = new recursive_fill_tool(*canvas);
non_recursive_fill_tool *tool_fill_non_recursive =
new non_recursive_fill_tool(*canvas);
@ -201,6 +201,7 @@ TEST_CASE("Fill (recursive and non recursive) test shape") {
const int tool_fill_idx = GENERATE(0, 1);
switch (tool_fill_idx) {
case 0:
default: // required to make static compiler warnings happy
tool_fill = tool_fill_recursive;
break;
case 1: