mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2024-10-30 16:07:38 +08:00
Address felixjulianheitmann suggestions. (#288)
- Remove unused examples/dom/flexbox.cpp - Add canvas(width, height, void(Canvas&)) method
This commit is contained in:
Arthur Sonzogni
GitHub
parent
188cffc5f6
commit
7614bf04a6
@ -22,7 +22,7 @@ int main(int argc, const char* argv[]) {
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c.DrawPointLine(mouse_x, mouse_y, 80, 10, Color::Red);
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c.DrawPointLine(80, 10, 80, 40, Color::Blue);
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c.DrawPointLine(80, 40, mouse_x, mouse_y, Color::Green);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// A triangle following the mouse, using block characters.
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@ -32,7 +32,7 @@ int main(int argc, const char* argv[]) {
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c.DrawBlockLine(mouse_x, mouse_y, 80, 10, Color::Red);
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c.DrawBlockLine(80, 10, 80, 40, Color::Blue);
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c.DrawBlockLine(80, 40, mouse_x, mouse_y, Color::Green);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// A circle following the mouse, using braille characters.
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@ -40,7 +40,7 @@ int main(int argc, const char* argv[]) {
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auto c = Canvas(100, 100);
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c.DrawText(0,0, "A circle (braille)");
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c.DrawPointCircle(mouse_x, mouse_y, 30);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// A circle following the mouse, using block characters.
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@ -48,7 +48,7 @@ int main(int argc, const char* argv[]) {
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auto c = Canvas(100, 100);
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c.DrawText(0,0, "A circle (block)");
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c.DrawBlockCircle(mouse_x, mouse_y, 30);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// A filled circle following the mouse, using braille characters.
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@ -56,7 +56,7 @@ int main(int argc, const char* argv[]) {
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auto c = Canvas(100, 100);
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c.DrawText(0,0, "A circle filled (braille)");
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c.DrawPointCircleFilled(mouse_x, mouse_y, 30);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// A filled circle following the mouse, using block characters.
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@ -64,7 +64,7 @@ int main(int argc, const char* argv[]) {
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auto c = Canvas(100, 100);
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c.DrawText(0,0, "A circle filled (block)");
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c.DrawBlockCircleFilled(mouse_x, mouse_y, 30);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// An ellipse following the mouse, using braille characters.
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@ -72,7 +72,7 @@ int main(int argc, const char* argv[]) {
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auto c = Canvas(100, 100);
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c.DrawText(0,0, "An ellipse (braille)");
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c.DrawPointEllipse(mouse_x / 2, mouse_y / 2, mouse_x / 2, mouse_y / 2);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// An ellipse following the mouse, using block characters.
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@ -80,7 +80,7 @@ int main(int argc, const char* argv[]) {
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auto c = Canvas(100, 100);
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c.DrawText(0,0, "An ellipse (block)");
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c.DrawBlockEllipse(mouse_x / 2, mouse_y / 2, mouse_x / 2, mouse_y / 2);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// An ellipse following the mouse filled, using braille characters.
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@ -89,7 +89,7 @@ int main(int argc, const char* argv[]) {
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c.DrawText(0,0, "A filled ellipse (braille)");
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c.DrawPointEllipseFilled(mouse_x / 2, mouse_y / 2, mouse_x / 2,
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mouse_y / 2);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// An ellipse following the mouse filled, using block characters.
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@ -99,7 +99,7 @@ int main(int argc, const char* argv[]) {
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c.DrawBlockEllipseFilled(mouse_x / 2, mouse_y / 2, mouse_x / 2,
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mouse_y / 2);
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c.DrawBlockEllipse(mouse_x / 2, mouse_y / 2, mouse_x / 2, mouse_y / 2);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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// A text following the mouse
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@ -112,7 +112,7 @@ int main(int argc, const char* argv[]) {
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p.underlined = true;
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p.bold = true;
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});
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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auto renderer_plot_1 = Renderer([&] {
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@ -128,7 +128,7 @@ int main(int argc, const char* argv[]) {
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for (int x = 1; x < 99; x++)
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c.DrawPointLine(x, ys[x], x + 1, ys[x + 1]);
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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auto renderer_plot_2 = Renderer([&] {
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@ -145,7 +145,7 @@ int main(int argc, const char* argv[]) {
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c.DrawPointLine(x, 50+ys[x], x, 50-ys[x], Color::Red);
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}
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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auto renderer_plot_3 = Renderer([&] {
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@ -180,7 +180,7 @@ int main(int argc, const char* argv[]) {
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}
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}
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return ElementFrom(std::move(c));
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return canvas(std::move(c));
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});
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@ -12,30 +12,30 @@
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int main(int argc, const char* argv[]) {
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using namespace ftxui;
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auto canvas = Canvas(100, 100);
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auto c = Canvas(100, 100);
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canvas.DrawText(0, 0, "This is a canvas", [](Pixel& p) -> void {
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c.DrawText(0, 0, "This is a canvas", [](Pixel& p) {
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p.foreground_color = Color::Red;
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p.underlined = true;
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});
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// Triangle:
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canvas.DrawPointLine(10, 10, 80, 10, Color::Red);
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canvas.DrawPointLine(80, 10, 80, 40, Color::Blue);
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canvas.DrawPointLine(80, 40, 10, 10, Color::Green);
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c.DrawPointLine(10, 10, 80, 10, Color::Red);
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c.DrawPointLine(80, 10, 80, 40, Color::Blue);
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c.DrawPointLine(80, 40, 10, 10, Color::Green);
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// Circle, not filled and filled:
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canvas.DrawPointCircle(30, 50, 20);
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canvas.DrawPointCircleFilled(40, 40, 10);
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c.DrawPointCircle(30, 50, 20);
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c.DrawPointCircleFilled(40, 40, 10);
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// Plot a function:
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std::vector<int> ys(100);
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for (int x = 0; x < 100; x++)
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ys[x] = 80 + 20 * cos(x * 0.2);
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for (int x = 0; x < 99; x++)
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canvas.DrawPointLine(x, ys[x], x + 1, ys[x + 1], Color::Red);
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c.DrawPointLine(x, ys[x], x + 1, ys[x + 1], Color::Red);
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auto document = ElementFrom(&canvas) | border;
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auto document = canvas(&c) | border;
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auto screen = Screen::Create(Dimension::Fit(document));
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Render(screen, document);
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@ -1,38 +0,0 @@
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#include <stddef.h> // for size_t
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#include <stdio.h> // for getchar
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#include <ftxui/dom/elements.hpp> // for operator|, size, Element, text, hcenter, Decorator, Fit, WIDTH, hflow, window, EQUAL, GREATER_THAN, HEIGHT, bold, border, dim, LESS_THAN
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#include <ftxui/screen/screen.hpp> // for Full, Screen
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#include <memory> // for allocator, shared_ptr
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#include <string> // for operator+, to_string, char_traits, string
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#include "ftxui/dom/flexbox_config.hpp" // for ftxui
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#include "ftxui/dom/node.hpp" // for Render
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int main(int argc, const char* argv[]) {
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using namespace ftxui;
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auto image = Canvas(100, 100);
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auto document = vbox({
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make_box("header"),
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hbox({
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make_box("left side"),
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make_box("center") | flex,
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make_box("right side"),
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}) | flex,
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make_box("footer")
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});
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//auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
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//auto screen = Screen::Create(Dimension::Fit(document));
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auto screen = Screen::Create(Dimension::Full());
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Render(screen, document);
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screen.Print();
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getchar();
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return 0;
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}
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// Copyright 2020 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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@ -59,7 +59,9 @@ Element paragraphAlignCenter(std::string text);
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Element paragraphAlignJustify(std::string text);
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Element graph(GraphFunction);
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Element emptyElement();
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Element ElementFrom(ConstRef<Canvas>);
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Element canvas(ConstRef<Canvas>);
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Element canvas(int width, int height, std::function<void(Canvas&)>);
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Element canvas(std::function<void(Canvas&)>);
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// -- Decorator ---
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Element bold(Element);
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@ -85,7 +85,7 @@ void Canvas::DrawPoint(int x, int y, bool value, const Stylizer& style) {
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}
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void Canvas::DrawPointOn(int x, int y) {
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if (!IsIn(x,y))
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if (!IsIn(x, y))
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return;
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Cell& cell = storage_[XY{x / 2, y / 4}];
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if (cell.type != CellType::kBraille) {
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@ -98,7 +98,7 @@ void Canvas::DrawPointOn(int x, int y) {
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}
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void Canvas::DrawPointOff(int x, int y) {
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if (!IsIn(x,y))
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if (!IsIn(x, y))
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return;
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Cell& cell = storage_[XY{x / 2, y / 4}];
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if (cell.type != CellType::kBraille) {
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@ -111,7 +111,7 @@ void Canvas::DrawPointOff(int x, int y) {
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}
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void Canvas::DrawPointToggle(int x, int y) {
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if (!IsIn(x,y))
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if (!IsIn(x, y))
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return;
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Cell& cell = storage_[XY{x / 2, y / 4}];
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if (cell.type != CellType::kBraille) {
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@ -203,19 +203,19 @@ void Canvas::DrawPointEllipse(int x1, int y1, int r1, int r2) {
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}
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void Canvas::DrawPointEllipse(int x1,
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int y1,
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int r1,
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int r2,
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const Color& color) {
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int y1,
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int r1,
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int r2,
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const Color& color) {
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DrawPointEllipse(x1, y1, r1, r2,
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[color](Pixel& p) { p.foreground_color = color; });
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[color](Pixel& p) { p.foreground_color = color; });
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}
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void Canvas::DrawPointEllipse(int x1,
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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int x = -r1;
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int y = 0;
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int e2 = r2;
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@ -250,19 +250,19 @@ void Canvas::DrawPointEllipseFilled(int x1, int y1, int r1, int r2) {
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}
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void Canvas::DrawPointEllipseFilled(int x1,
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int y1,
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int r1,
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int r2,
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const Color& color) {
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int y1,
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int r1,
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int r2,
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const Color& color) {
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DrawPointEllipseFilled(x1, y1, r1, r2,
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[color](Pixel& p) { p.foreground_color = color; });
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[color](Pixel& p) { p.foreground_color = color; });
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}
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void Canvas::DrawPointEllipseFilled(int x1,
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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int x = -r1;
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int y = 0;
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int e2 = r2;
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@ -310,7 +310,7 @@ void Canvas::DrawBlock(int x, int y, bool value, const Stylizer& style) {
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}
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void Canvas::DrawBlockOn(int x, int y) {
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if (!IsIn(x,y))
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if (!IsIn(x, y))
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return;
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y /= 2;
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Cell& cell = storage_[XY{x / 2, y / 2}];
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@ -326,7 +326,7 @@ void Canvas::DrawBlockOn(int x, int y) {
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}
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void Canvas::DrawBlockOff(int x, int y) {
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if (!IsIn(x,y))
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if (!IsIn(x, y))
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return;
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Cell& cell = storage_[XY{x / 2, y / 4}];
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if (cell.type != CellType::kBlock) {
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@ -342,7 +342,7 @@ void Canvas::DrawBlockOff(int x, int y) {
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}
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void Canvas::DrawBlockToggle(int x, int y) {
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if (!IsIn(x,y))
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if (!IsIn(x, y))
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return;
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Cell& cell = storage_[XY{x / 2, y / 4}];
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if (cell.type != CellType::kBlock) {
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@ -440,19 +440,19 @@ void Canvas::DrawBlockEllipse(int x1, int y1, int r1, int r2) {
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}
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void Canvas::DrawBlockEllipse(int x1,
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int y1,
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int r1,
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int r2,
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const Color& color) {
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int y1,
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int r1,
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int r2,
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const Color& color) {
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DrawBlockEllipse(x1, y1, r1, r2,
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[color](Pixel& p) { p.foreground_color = color; });
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[color](Pixel& p) { p.foreground_color = color; });
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}
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void Canvas::DrawBlockEllipse(int x1,
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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y1 /= 2;
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r2 /= 2;
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int x = -r1;
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@ -489,19 +489,19 @@ void Canvas::DrawBlockEllipseFilled(int x1, int y1, int r1, int r2) {
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}
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void Canvas::DrawBlockEllipseFilled(int x1,
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int y1,
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int r1,
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int r2,
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const Color& color) {
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int y1,
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int r1,
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int r2,
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const Color& color) {
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DrawBlockEllipseFilled(x1, y1, r1, r2,
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[color](Pixel& p) { p.foreground_color = color; });
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[color](Pixel& p) { p.foreground_color = color; });
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}
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void Canvas::DrawBlockEllipseFilled(int x1,
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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int y1,
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int r1,
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int r2,
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const Stylizer& s) {
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y1 /= 2;
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r2 /= 2;
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int x = -r1;
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@ -512,7 +512,7 @@ void Canvas::DrawBlockEllipseFilled(int x1,
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int err = dx + dy;
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do {
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for(int xx = x1+x; xx <= x1-x; ++xx) {
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for (int xx = x1 + x; xx <= x1 - x; ++xx) {
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DrawBlock(xx, 2 * (y1 + y), true, s);
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DrawBlock(xx, 2 * (y1 - y), true, s);
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}
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@ -528,7 +528,7 @@ void Canvas::DrawBlockEllipseFilled(int x1,
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} while (x <= 0);
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while (y++ < r2) {
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for(int yy = y1+y; yy <= y1-y; ++yy) {
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for (int yy = y1 + y; yy <= y1 - y; ++yy) {
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DrawBlock(x1, 2 * yy, true, s);
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}
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}
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@ -567,29 +567,71 @@ void Canvas::Style(int x, int y, const Stylizer& style) {
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style(storage_[XY{x / 2, y / 4}].content);
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}
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Element ElementFrom(ConstRef<Canvas> canvas) {
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class Impl : public Node {
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namespace {
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class CanvasNodeBase : public Node {
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public:
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CanvasNodeBase() {}
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void Render(Screen& screen) override {
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const Canvas& c = canvas();
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int y_max = std::min(c.width() * 2, box_.y_max - box_.y_min + 1);
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int x_max = std::min(c.height() * 4, box_.x_max - box_.x_min + 1);
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for (int y = 0; y < y_max; ++y) {
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for (int x = 0; x < x_max; ++x) {
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screen.PixelAt(box_.x_min + x, box_.y_min + y) = c.GetPixel(x * 2, y * 4);
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}
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}
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}
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virtual const Canvas& canvas() = 0;
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};
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} // namespace
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Element canvas(ConstRef<Canvas> canvas) {
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class Impl : public CanvasNodeBase {
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public:
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Impl(ConstRef<Canvas> canvas) : canvas_(canvas) {
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requirement_.min_x = (canvas_->width() + 1) / 2;
|
||||
requirement_.min_y = (canvas_->height() + 3) / 4;
|
||||
}
|
||||
|
||||
void Render(Screen& screen) override {
|
||||
int y_max = std::min(requirement_.min_y, box_.y_max - box_.y_min + 1);
|
||||
int x_max = std::min(requirement_.min_x, box_.x_max - box_.x_min + 1);
|
||||
for (int y = 0; y < y_max; ++y) {
|
||||
for (int x = 0; x < x_max; ++x) {
|
||||
screen.PixelAt(box_.x_min + x, box_.y_min + y) =
|
||||
canvas_->GetPixel(x * 2, y * 4);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
const Canvas& canvas() final { return *canvas_; }
|
||||
ConstRef<Canvas> canvas_;
|
||||
};
|
||||
return std::make_shared<Impl>(std::move(canvas));
|
||||
}
|
||||
|
||||
Element canvas(int width, int height, std::function<void(Canvas&)> fn) {
|
||||
class Impl : public CanvasNodeBase {
|
||||
public:
|
||||
Impl(int width, int height, std::function<void(Canvas&)> fn)
|
||||
: width_(width), height_(height), fn_(std::move(fn)) {}
|
||||
|
||||
void ComputeRequirement() final {
|
||||
requirement_.min_x = (width_ + 1) / 2;
|
||||
requirement_.min_y = (height_ + 3) / 4;
|
||||
}
|
||||
|
||||
void Render(Screen& screen) final {
|
||||
int width = (box_.y_max - box_.y_min + 1) * 2;
|
||||
int height = (box_.x_max - box_.x_min + 1) * 4;
|
||||
canvas_ = Canvas(width, height);
|
||||
fn_(canvas_);
|
||||
CanvasNodeBase::Render(screen);
|
||||
}
|
||||
|
||||
const Canvas& canvas() final { return canvas_; }
|
||||
Canvas canvas_;
|
||||
int width_;
|
||||
int height_;
|
||||
std::function<void(Canvas&)> fn_;
|
||||
};
|
||||
return std::make_shared<Impl>(width, height, std::move(fn));
|
||||
}
|
||||
|
||||
Element canvas(std::function<void(Canvas&)> fn) {
|
||||
return canvas(12, 12, std::move(fn));
|
||||
}
|
||||
|
||||
} // namespace ftxui
|
||||
|
||||
Loading…
Reference in New Issue
Block a user