srctree

Robin Linden parent fee9d306 f777b8c7
gfx: Add a Color constructor that accepts a packed rgb int

inline split

gfx/BUILD added: 44, removed: 4, total 40

@@ -1,4 +1,4 @@

load("@rules_cc//cc:defs.bzl", "cc_library")

load("@rules_cc//cc:defs.bzl", "cc_library", "cc_test")

cc_library(

name = "gfx",

@@ -11,3 +11,13 @@ cc_library(

visibility = ["//visibility:public"],

deps = ["//geom"],

)

cc_test(

name = "gfx_test",

size = "small",

srcs = ["gfx_test.cpp"],

deps = [

":gfx",

"//etest",

)

gfx/gfx.h added: 44, removed: 4, total 40

@@ -12,7 +12,17 @@

namespace gfx {

struct Color {

constexpr static Color from_rgb(std::int32_t rgb) {

return Color{

.r = static_cast<std::uint8_t>((rgb & 0xFF0000) >> 16),

.g = static_cast<std::uint8_t>((rgb & 0x00FF00) >> 8),

.b = static_cast<std::uint8_t>(rgb & 0x0000FF),

};

}

std::uint8_t r, g, b;

[[nodiscard]] constexpr bool operator==(Color const &) const = default;

};

class IPainter {

filename was Deleted added: 44, removed: 4, total 40

@@ -0,0 +1,20 @@

// SPDX-FileCopyrightText: 2021 Robin Lindén <dev@robinlinden.eu>

// SPDX-License-Identifier: BSD-2-Clause

#include "gfx/gfx.h"

#include "etest/etest.h"

using etest::expect;

using gfx::Color;

int main() {

etest::test("Color::from_rgb", [] {

expect(Color{0x12, 0x34, 0x56} == Color::from_rgb(0x12'34'56));

expect(Color{} == Color::from_rgb(0));

expect(Color{0xFF, 0xFF, 0xFF} == Color::from_rgb(0xFF'FF'FF));

});

return etest::run_all_tests();

}