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u02: Implement bresenham line tool

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Simon Bruder 2023-05-06 18:41:11 +02:00
parent 240d5435f2
commit 649d5da18a
1 changed files with 17 additions and 2 deletions
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19
u02/src/tests.cpp
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@ -5,6 +5,7 @@
#include <catch2/generators/catch_generators_adapters.hpp>
#include <catch2/generators/catch_generators_random.hpp>
#include "bresenham_line_tool.h"
#include "canvas_buffer.h"
#include "dda_line_tool.h"
#include "util.h"
@ -105,10 +106,24 @@ TEST_CASE("Transformation to standard case (prop)") {
REQUIRE(y0 >= y1);
}
TEST_CASE("DDA line tool (prop: for every row/column, only one pixel is set)") {
TEST_CASE("Bresenham/DDA line tool (prop: for every row/column, only one pixel "
"is set)") {
const int size = 100;
canvas_buffer *canvas = new canvas_buffer(size, size);
dda_line_tool *tool = new dda_line_tool(*canvas);
bresenham_line_tool *tool_bresenham = new bresenham_line_tool(*canvas);
dda_line_tool *tool_dda = new dda_line_tool(*canvas);
tool_base *tool;
int tool_idx = GENERATE(0, 1);
switch (tool_idx) {
case 0:
tool = tool_bresenham;
break;
case 1:
tool = tool_dda;
break;
}
int x0 = GENERATE(take(10, random(0, size - 1)));
int y0 = GENERATE(take(10, random(0, size - 1)));