From 2145308fff868b3b0c234d242db4c47ff9607fa3 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 15 May 2022 13:35:50 +0800
Subject: ...

---
 demos/graphics_experiments/4.cpp | 161 ---------------------------------------
 1 file changed, 161 deletions(-)
 delete mode 100644 demos/graphics_experiments/4.cpp

(limited to 'demos/graphics_experiments/4.cpp')

diff --git a/demos/graphics_experiments/4.cpp b/demos/graphics_experiments/4.cpp
deleted file mode 100644
index 60bd2db9..00000000
--- a/demos/graphics_experiments/4.cpp
+++ /dev/null
@@ -1,161 +0,0 @@
-#include "cru/platform/GraphicsBase.h"
-#include "cru/platform/bootstrap/Bootstrap.h"
-#include "cru/platform/graphics/Factory.h"
-#include "cru/platform/graphics/Painter.h"
-#include "cru/platform/gui/UiApplication.h"
-#include "cru/platform/gui/Window.h"
-
-#include <dlib/matrix.h>
-#include <dlib/numeric_constants.h>
-#include <cmath>
-
-using cru::platform::Point;
-
-using matrix14 = dlib::matrix<float, 1, 4>;
-using matrix13 = dlib::matrix<float, 1, 3>;
-using matrix44 = dlib::matrix<float, 4, 4>;
-
-matrix44 Identity() {
-  matrix44 m;
-  m = dlib::identity_matrix<float, 4>();
-  return m;
-}
-
-matrix44 T1(float a, float b, float c) {
-  auto m = Identity();
-
-  m(0, 3) = -a;
-  m(1, 3) = -b;
-  m(2, 3) = -c;
-
-  return m;
-}
-
-matrix44 T2(float theta) {
-  auto m = Identity();
-
-  m(0, 0) = -std::cos(theta);
-  m(0, 2) = -std::sin(theta);
-  m(2, 0) = std::sin(theta);
-  m(2, 2) = -std::cos(theta);
-
-  return m;
-}
-
-matrix44 T3(float phi) {
-  auto m = Identity();
-
-  m(1, 1) = std::sin(phi);
-  m(1, 2) = -std::cos(phi);
-  m(2, 1) = std::cos(phi);
-  m(2, 2) = std::sin(phi);
-
-  return m;
-}
-
-matrix44 T4(float alpha) {
-  auto m = Identity();
-
-  m(0, 0) = std::cos(alpha);
-  m(1, 0) = std::sin(alpha);
-  m(0, 1) = -std::sin(alpha);
-  m(1, 1) = std::cos(alpha);
-
-  return m;
-}
-
-matrix44 T5() {
-  auto m = Identity();
-
-  m(0, 0) = -1;
-
-  return m;
-}
-
-struct Args {
-  float a;
-  float b;
-  float c;
-  float theta;
-  float phi;
-  float alpha;
-};
-
-matrix44 Tv(Args args) {
-  return T1(args.a, args.b, args.c) * T2(args.theta) * T3(args.phi) *
-         T4(args.alpha) * T5();
-}
-
-matrix14 Transform(matrix14 point, Args args) { return point * Tv(args); }
-
-matrix14 Transform(matrix13 point, Args args) {
-  return matrix14{point(0), point(1), point(2), 1} * Tv(args);
-}
-
-Point TransformTo2D(matrix14 point, float d) {
-  return Point{point(1), point(2)};
-}
-
-const float length = 100;
-
-matrix13 points[] = {
-    {0, 0, 0},
-    {length, 0, 0},
-    {length, 0, 0},
-    {length, length, 0},
-    {length, length, 0},
-    {0, length, 0},
-    {0, length, 0},
-    {0, 0, 0},
-    {0, 0, 0},
-    {0, 0, length},
-    {length, 0, 0},
-    {length, 0, length},
-    {length, length, 0},
-    {length, length, length},
-    {0, length, 0},
-    {0, length, length},
-    {0, 0, length},
-    {length, 0, length},
-    {length, 0, length},
-    {length, length, length},
-    {length, length, length},
-    {0, length, length},
-    {0, length, length},
-    {0, 0, length},
-};
-
-const float pi = static_cast<float>(dlib::pi);
-
-Args args{30, 40, 50, pi / 3.f, pi / 4.f, pi / 5.f};
-
-int main() {
-  std::vector<Point> points2d;
-
-  for (auto p : points) {
-    auto point2d = TransformTo2D(Transform(std::move(p), args), length);
-    points2d.push_back(point2d);
-  }
-
-  auto application = cru::platform::bootstrap::CreateUiApplication();
-  auto window = application->CreateWindow();
-
-  auto brush = application->GetGraphicsFactory()->CreateSolidColorBrush(
-      cru::platform::colors::black);
-
-  window->SetClientSize(cru::platform::Size(400, 400));
-
-  window->PaintEvent()->AddHandler([window, &brush, points2d](nullptr_t) {
-    auto painter = window->BeginPaint();
-    painter->PushState();
-    painter->ConcatTransform(cru::platform::Matrix::Translation(200, 200));
-    for (int i = 0; i < points2d.size(); i += 2) {
-      painter->DrawLine(points2d[i], points2d[i + 1], brush.get(), 1.f);
-    }
-    painter->PopState();
-  });
-
-  window->SetVisibility(cru::platform::gui::WindowVisibilityType::Show);
-
-  return application->Run();
-}
-- 
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