Вывод изображения в интерфейс

• Название: Вывод изображения в интерфейс
• Дата: 27.05.2022
• Размер: 0.69 Mb.
• Имя файла: laba_14inf.doc
• Тип: Отчет; #552406

МИНОБРНАУКИ РОССИИ

САНКТ-ПЕТЕРБУРГСКИЙ ГОСУДАРСТВЕННЫЙ

ЭЛЕКТРОТЕХНИЧЕСКИЙ УНИВЕРСИТЕТ

«ЛЭТИ» ИМ. В.И. УЛЬЯНОВА (ЛЕНИНА)

Кафедра ТВ

ОТЧЕТ

по лабораторной работе №14

по дисциплине «Информатика»

Тема: ВЫВОД ИЗОБРАЖЕНИЯ В ИНТЕРФЕЙС.

ВЗАИМОДЕЙСТВИЕ С МЫШЬЮ.

Студент гр. 1105		Сирый Р.С.
Преподаватель		Чиркунова А.А.

Санкт-Петербург

2022

Цель работы: знакомство с принципами загрузки и работы с изображениями, а также основами взаимодействия с мышью в графическом интерфейсе.
Упражнение 1.
#pragma once

namespace WinFormsTest {

using namespace System;

using namespace System::ComponentModel;

using namespace System::Collections;

using namespace System::Windows::Forms;

using namespace System::Data;

using namespace System::Drawing;
public ref class MyForm : public System::Windows::Forms::Form

{

public:

MyForm(void) {

InitializeComponent();

}

protected:

MyForm() {

if (components) { delete components;}

}

private: Bitmap^ img1;

private: System::Windows::Forms::Button^ button1;

private: System::Windows::Forms::OpenFileDialog^ openFileDialog1;

private: System::Windows::Forms::PictureBox^ pictureBox1;

private: System::Windows::Forms::PictureBox^ pictureBox2;

private: System::Windows::Forms::PictureBox^ pictureBox3;

private: System::Windows::Forms::PictureBox^ pictureBox4;

private: System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code


void InitializeComponent(void) {

this->button1 = (gcnew System::Windows::Forms::Button());

this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());

this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());

this->pictureBox2 = (gcnew System::Windows::Forms::PictureBox());

this->pictureBox3 = (gcnew System::Windows::Forms::PictureBox());

this->pictureBox4 = (gcnew System::Windows::Forms::PictureBox());

(cli::safe_cast(this->pictureBox1))->BeginInit();

(cli::safe_cast(this->pictureBox2))->BeginInit();

(cli::safe_cast(this->pictureBox3))->BeginInit();

(cli::safe_cast(this->pictureBox4))->BeginInit();

this->SuspendLayout();

// button1

this->button1->Location = System::Drawing::Point(430, 3);

this->button1->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->button1->Name = L"button1";

this->button1->Size = System::Drawing::Size(228, 37);

this->button1->TabIndex = 0;

this->button1->Text = L"Выберите картинку";

this->button1->UseVisualStyleBackColor = true;

this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);

// openFileDialog1

this->openFileDialog1->FileName = L"openFileDialog1";

// pictureBox1

this->pictureBox1->Location = System::Drawing::Point(279, 62);

this->pictureBox1->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->pictureBox1->Name = L"pictureBox1";

this->pictureBox1->Size = System::Drawing::Size(195, 213);

this->pictureBox1->SizeMode = System::Windows::Forms::PictureBoxSizeMode::StretchImage;

this->pictureBox1->TabIndex = 1;

this->pictureBox1->TabStop = false;

// pictureBox2

this->pictureBox2->Location = System::Drawing::Point(30, 62);

this->pictureBox2->Name = L"pictureBox2";

this->pictureBox2->Size = System::Drawing::Size(195, 213);

this->pictureBox2->TabIndex = 2;

this->pictureBox2->TabStop = false;

// pictureBox3

this->pictureBox3->Location = System::Drawing::Point(533, 62);

this->pictureBox3->Name = L"pictureBox3";

this->pictureBox3->Size = System::Drawing::Size(195, 213);

this->pictureBox3->SizeMode = System::Windows::Forms::PictureBoxSizeMode::AutoSize;

this->pictureBox3->TabIndex = 3;

this->pictureBox3->TabStop = false;

// pictureBox4

this->pictureBox4->Location = System::Drawing::Point(767, 62);

this->pictureBox4->Name = L"pictureBox4";

this->pictureBox4->Size = System::Drawing::Size(195, 213);

this->pictureBox4->SizeMode = System::Windows::Forms::PictureBoxSizeMode::Zoom;

this->pictureBox4->TabIndex = 4;

this->pictureBox4->TabStop = false;

// MyForm

this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);

this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;

this->ClientSize = System::Drawing::Size(974, 323);

this->Controls->Add(this->pictureBox4);

this->Controls->Add(this->pictureBox3);

this->Controls->Add(this->pictureBox2);

this->Controls->Add(this->button1);

this->Controls->Add(this->pictureBox1);

this->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->Name = L"MyForm";

this->Text = L"MyForm";
(cli::safe_cast(this->pictureBox1))->EndInit();

(cli::safe_cast(this->pictureBox2))->EndInit();

(cli::safe_cast(this->pictureBox3))->EndInit();

(cli::safe_cast(this->pictureBox4))->EndInit();

this->ResumeLayout(false);

this->PerformLayout();

}

#pragma endregion

private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {

if (openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK) {

pictureBox1->Image = Image::FromFile(openFileDialog1->FileName);

pictureBox2->Image = Image::FromFile(openFileDialog1->FileName);

pictureBox3->Image = Image::FromFile(openFileDialog1->FileName);

pictureBox4->Image = Image::FromFile(openFileDialog1->FileName);



} }

};

}

Упражнение 2.
namespace WinFormsTest {

using namespace System;

using namespace System::ComponentModel;

using namespace System::Collections;

using namespace System::Windows::Forms;

using namespace System::Data;

using namespace System::Drawing;

public ref class MyForm : public System::Windows::Forms::Form {
public:

MyForm(void) {

InitializeComponent();

}
protected:

MyForm() {

if (components) { delete components; }

}

private: Bitmap^ img1;

private: System::Windows::Forms::Button^ button1;

private: System::Windows::Forms::OpenFileDialog^ openFileDialog1;

private: System::Windows::Forms::PictureBox^ pictureBox1;

private: System::Windows::Forms::PictureBox^ pictureBox2;

private:

System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code

void InitializeComponent(void) {

this->button1 = (gcnew System::Windows::Forms::Button());

this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());

this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());

this->pictureBox2 = (gcnew System::Windows::Forms::PictureBox());

(cli::safe_cast(this->pictureBox1))->BeginInit();

(cli::safe_cast(this->pictureBox2))->BeginInit();

this->SuspendLayout();

// button1

this->button1->Location = System::Drawing::Point(409, 3);

this->button1->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->button1->Name = L"button1";

this->button1->Size = System::Drawing::Size(228, 37);

this->button1->TabIndex = 0;

this->button1->Text = L"Выберите картинку";

this->button1->UseVisualStyleBackColor = true;

this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);

// openFileDialog1

this->openFileDialog1->FileName = L"openFileDialog1";

// pictureBox1

this->pictureBox1->Location = System::Drawing::Point(205, 62);

this->pictureBox1->Name = L"pictureBox1";

this->pictureBox1->Size = System::Drawing::Size(237, 236);

this->pictureBox1->SizeMode = System::Windows::Forms::PictureBoxSizeMode::StretchImage;

this->pictureBox1->TabIndex = 2;

this->pictureBox1->TabStop = false;

// pictureBox2

this->pictureBox2->Location = System::Drawing::Point(609, 62);

this->pictureBox2->Name = L"pictureBox2";

this->pictureBox2->Size = System::Drawing::Size(223, 236);

this->pictureBox2->SizeMode = System::Windows::Forms::PictureBoxSizeMode::StretchImage;

this->pictureBox2->TabIndex = 4;

this->pictureBox2->TabStop = false;

// MyForm

this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);

this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;

this->ClientSize = System::Drawing::Size(938, 323);

this->Controls->Add(this->pictureBox2);

this->Controls->Add(this->pictureBox1);

this->Controls->Add(this->button1);

this->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->Name = L"MyForm";

this->Text = L"MyForm";

(cli::safe_cast(this->pictureBox1))->EndInit();

(cli::safe_cast(this->pictureBox2))->EndInit();

this->ResumeLayout(false);

}

#pragma endregion

private:

System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {

if (openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK) {

Bitmap^ img1 = gcnew Bitmap(openFileDialog1->FileName);

Bitmap^ img2 = gcnew Bitmap(img1->Width, img1->Height);

pictureBox1->Image = img1;

for (int i = 0; i < img1->Width; i++)

for (int j = 0; j < img1->Height; j++) {

Color cl1 = img1->GetPixel(i, j);

Color cl2 = Color::FromArgb(cl1.R * 0.299 + cl1.G* 0.587 + cl1.B * 0.114, cl1.R * 0.299 + cl1.G * 0.587 + cl1.B * 0.114, cl1.R * 0.299 + cl1.G * 0.587 + cl1.B * 0.114);

img2->SetPixel(i, j, cl2); }

pictureBox2->Image = img2;

}

}

};




}

Упражнение 3.

namespace WinFormsTest {

using namespace System;

using namespace System::ComponentModel;

using namespace System::Collections;

using namespace System::Windows::Forms;

using namespace System::Data;

using namespace System::Drawing;

public ref class MyForm : public System::Windows::Forms::Form {

public:

MyForm(void)

{

InitializeComponent(); }

protected:

MyForm() {

if (components) { delete components; }

}

private: Bitmap^ img1;

private: System::Windows::Forms::Button^ button1;

private: System::Windows::Forms::OpenFileDialog^ openFileDialog1;

private: System::Windows::Forms::PictureBox^ pictureBox1;

private: System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code

void InitializeComponent(void) {

this->button1 = (gcnew System::Windows::Forms::Button());

this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());

this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());

(cli::safe_cast(this->pictureBox1))->BeginInit();

this->SuspendLayout();

// button1

this->button1->Location = System::Drawing::Point(409, 3);

this->button1->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->button1->Name = L"button1";

this->button1->Size = System::Drawing::Size(228, 37);

this->button1->TabIndex = 0;

this->button1->Text = L"Выберите картинку";

this->button1->UseVisualStyleBackColor = true;

this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);

// openFileDialog1

this->openFileDialog1->FileName = L"openFileDialog1";

// pictureBox1

this->pictureBox1->Location = System::Drawing::Point(325, 46);

this->pictureBox1->Name = L"pictureBox1";

this->pictureBox1->Size = System::Drawing::Size(392, 265);

this->pictureBox1->SizeMode = System::Windows::Forms::PictureBoxSizeMode::StretchImage;

this->pictureBox1->TabIndex = 2;

this->pictureBox1->TabStop = false;

this->pictureBox1->MouseClick += gcnew System::Windows::Forms::MouseEventHandler(this, &MyForm::pictureBox1_MouseClick);

this->pictureBox1->MouseMove += gcnew System::Windows::Forms::MouseEventHandler(this, &MyForm::pictureBox1_MouseClick);

// MyForm

this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);

this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;

this->ClientSize = System::Drawing::Size(938, 323);

this->Controls->Add(this->pictureBox1);

this->Controls->Add(this->button1);

this->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->Name = L"MyForm";

this->Text = L"MyForm";

(cli::safe_cast(this->pictureBox1))->EndInit();

this->ResumeLayout(false);

}

#pragma endregion

private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {

if (openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK) {

img1 = gcnew Bitmap(openFileDialog1->FileName);

pictureBox1->Image = img1; }

}

private: System::Void pictureBox1_MouseClick(System::Object ^ sender,

System::Windows::Forms::MouseEventArgs ^ e) {

for (int i = -5; i < 5; i++)

for (int j = -5; j < 5; j++) {

if ((e->X + i > 0) && (e->X + i < img1->Width) &&

(e->Y + j > 0) && (e->Y + j < img1->Height)) {

if (e->Button == System::Windows::Forms::MouseButtons::Left) {

img1->SetPixel(e->X + i, e->Y + j, Color::White); }

}

}

pictureBox1->Image = img1;



} };

}
Упражнение 4.

namespace WinFormsTest {

using namespace System;

using namespace System::ComponentModel;

using namespace System::Collections;

using namespace System::Windows::Forms;

using namespace System::Data;

using namespace System::Drawing;

public ref class MyForm : public System::Windows::Forms::Form

{

public:

MyForm(void){

InitializeComponent();

}

protected:

MyForm()

{

if (components){delete components;}

}

private: Bitmap^ img1;

private: System::Windows::Forms::Button^ button1;

private: System::Windows::Forms::OpenFileDialog^ openFileDialog1;

private: System::Windows::Forms::PictureBox^ pictureBox1;

private:

System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code

void InitializeComponent(void)

{

this->button1 = (gcnew System::Windows::Forms::Button());

this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());

this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());

(cli::safe_cast(this->pictureBox1))->BeginInit();

this->SuspendLayout();

// button1

this->button1->Location = System::Drawing::Point(357, 3);

this->button1->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->button1->Name = L"button1";

this->button1->Size = System::Drawing::Size(228, 37);

this->button1->TabIndex = 0;

this->button1->Text = L"Выберите картинку";

this->button1->UseVisualStyleBackColor = true;

this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);

// openFileDialog1

this->openFileDialog1->FileName = L"openFileDialog1";

// pictureBox1

this->pictureBox1->Location = System::Drawing::Point(204, 46);

this->pictureBox1->Name = L"pictureBox1";

this->pictureBox1->Size = System::Drawing::Size(534, 359);

this->pictureBox1->SizeMode = System::Windows::Forms::PictureBoxSizeMode::StretchImage;

this->pictureBox1->TabIndex = 2;

this->pictureBox1->TabStop = false;

this->pictureBox1->MouseClick += gcnew System::Windows::Forms::MouseEventHandler(this, &MyForm::pictureBox1_MouseClick);

// MyForm

this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);

this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;

this->ClientSize = System::Drawing::Size(938, 417);

this->Controls->Add(this->pictureBox1);

this->Controls->Add(this->button1);

this->Margin = System::Windows::Forms::Padding(4, 3, 4, 3);

this->Name = L"MyForm";

this->Text = L"MyForm";

(cli::safe_cast(this->pictureBox1))->EndInit();

this->ResumeLayout(false);

}

#pragma endregion

private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {

if (openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK)

{

img1 = gcnew Bitmap(openFileDialog1->FileName);

pictureBox1->Image = img1;

}

}

private: System::Void pictureBox1_MouseClick(System::Object ^ sender,

System::Windows::Forms::MouseEventArgs ^ e) {

if (e->Button == System::Windows::Forms::MouseButtons::Left) {

for (int i = 0; i < img1->Width; i++) { img1->SetPixel(i, e->Y, Color::Red); }

for (int j = 0; j < img1->Height; j++) { img1->SetPixel(e->X, j, Color::Red); }

}

pictureBox1->Image = img1;

}



};}

Вывод: в данной лабораторной работе я ознакомился с принципами загрузки и работы с изображениями, а также основами взаимодействия с мышью в графическом интерфейсе.