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Address felixjulianheitmann suggestions. (#288)

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- Remove unused examples/dom/flexbox.cpp
- Add canvas(width, height, void(Canvas&)) method
This commit is contained in:
Arthur Sonzogni
2021-12-24 17:29:39 +01:00
committed by GitHub
parent 188cffc5f6
commit 7614bf04a6
5 changed files with 127 additions and 121 deletions
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18
examples/dom/canvas.cpp
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@@ -12,30 +12,30 @@
int main(int argc, const char* argv[]) {
using namespace ftxui;
auto canvas = Canvas(100, 100);
auto c = Canvas(100, 100);
canvas.DrawText(0, 0, "This is a canvas", [](Pixel& p) -> void {
c.DrawText(0, 0, "This is a canvas", [](Pixel& p) {
p.foreground_color = Color::Red;
p.underlined = true;
});
// Triangle:
canvas.DrawPointLine(10, 10, 80, 10, Color::Red);
canvas.DrawPointLine(80, 10, 80, 40, Color::Blue);
canvas.DrawPointLine(80, 40, 10, 10, Color::Green);
c.DrawPointLine(10, 10, 80, 10, Color::Red);
c.DrawPointLine(80, 10, 80, 40, Color::Blue);
c.DrawPointLine(80, 40, 10, 10, Color::Green);
// Circle, not filled and filled:
canvas.DrawPointCircle(30, 50, 20);
canvas.DrawPointCircleFilled(40, 40, 10);
c.DrawPointCircle(30, 50, 20);
c.DrawPointCircleFilled(40, 40, 10);
// Plot a function:
std::vector<int> ys(100);
for (int x = 0; x < 100; x++)
ys[x] = 80 + 20 * cos(x * 0.2);
for (int x = 0; x < 99; x++)
canvas.DrawPointLine(x, ys[x], x + 1, ys[x + 1], Color::Red);
c.DrawPointLine(x, ys[x], x + 1, ys[x + 1], Color::Red);
auto document = ElementFrom(&canvas) | border;
auto document = canvas(&c) | border;
auto screen = Screen::Create(Dimension::Fit(document));
Render(screen, document);