fix(lab_2): worked

All worked 2-nd lab

lab_2/build.gradle.kts

@@ -21,18 +21,33 @@ dependencies {
     implementation("org.lwjgl:lwjgl")
     implementation("org.lwjgl:lwjgl-glfw")
     implementation("org.lwjgl:lwjgl-opengl")
+    implementation("org.lwjgl:lwjgl-stb")
+    implementation("org.lwjgl:lwjgl-nanovg")
+    implementation("org.lwjgl:lwjgl-nfd")
+    implementation("org.lwjgl:lwjgl-openal")
 
     runtimeOnly("org.lwjgl:lwjgl::$lwjglNatives")
     runtimeOnly("org.lwjgl:lwjgl-glfw::$lwjglNatives")
     runtimeOnly("org.lwjgl:lwjgl-opengl::$lwjglNatives")
+    runtimeOnly("org.lwjgl:lwjgl-stb::$lwjglNatives")
+    runtimeOnly("org.lwjgl:lwjgl-nanovg::$lwjglNatives")
+    runtimeOnly("org.lwjgl:lwjgl-nfd::$lwjglNatives")
+    runtimeOnly("org.lwjgl:lwjgl-openal::$lwjglNatives")
+
+    // JavaFX bindings
+    implementation("org.openjfx:javafx-controls:17")
+    implementation("org.openjfx:javafx-fxml:17")
+    implementation("org.openjfx:javafx-graphics:17")
 }
 
 application {
     mainClass.set("org.exampl.MainKt")
 }
+
 tasks.test {
     useJUnitPlatform()
 }
+
 kotlin {
     jvmToolchain(21)
 }

lab_2/src/main/kotlin/Form1.kt

@@ -7,9 +7,9 @@ import javax.swing.filechooser.FileNameExtensionFilter
 
 class Form1 {
     private var loaded = false
-    private var currentLayer = 0
+    var currentLayer = 0
     private val bin = Bin()
-    private val view = View()
+    val view = View()
 
     private var minTF = -3000
     private var widthTF = 2000
@@ -42,11 +42,14 @@ class Form1 {
         openFileDialog()
         while (!glfwWindowShouldClose(window)) {
             displayFPS()
+            glfwPollEvents()
+
             if (loaded) {
+                glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT)
                 view.drawQuads(currentLayer)
             }
+
             glfwSwapBuffers(window)
-            glfwPollEvents()
         }
     }
 }

lab_2/src/main/kotlin/Main.kt

@@ -1,222 +1,8 @@
 package org.exampl
 
-/*import org.lwjgl.opengl.GL
-import org.lwjgl.opengl.GL11.*
-import org.lwjgl.opengl.GL15.*
-import org.lwjgl.opengl.GL20.*
-import org.lwjgl.opengl.GL30.*
-import org.lwjgl.system.MemoryUtil
-import org.lwjgl.glfw.GLFW.*
-import java.io.File
-import java.nio.ByteBuffer
-import java.nio.ByteOrder
-import kotlin.math.*
-
-class CTVisualizer {
-    private var window: Long = 0
-    private var vao = 0
-    private var vbo = 0
-    private var textureID = 0
-    private var shaderProgram = 0
-    private var currentLayer = 0
-    private var minValue = 0
-    private var maxValue = 40961
-    private var windowWidth = 1600
-    private var windowHeight = 1000
-    private lateinit var volumeData: ShortArray
-    private var width = 256  // Фиксированный размер для примера
-    private var height = 256
-    private var depth = 256
-
-    fun run(binFilePath: String) {
-        initWindow()
-        initOpenGL()
-        loadVolumeData(binFilePath)
-        mainLoop()
-        cleanup()
-    }
-
-    private fun initWindow() {
-        if (!glfwInit()) {
-            throw RuntimeException("Failed to initialize GLFW")
-        }
-
-        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3)
-        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3)
-        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE)
-        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE)
-
-        window = glfwCreateWindow(windowWidth, windowHeight, "КТ Визуализация (OpenTK/Kotlin)", 0, 0)
-        if (window == 0L) {
-            glfwTerminate()
-            throw RuntimeException("Failed to create GLFW window")
-        }
-
-        glfwMakeContextCurrent(window)
-        glfwSwapInterval(1)
-        glfwShowWindow(window)
-    }
-
-    private fun initOpenGL() {
-        GL.createCapabilities()
-
-        val vertexShader = """
-            #version 330 core
-            layout(location = 0) in vec2 position;
-            layout(location = 1) in vec2 texCoord;
-            out vec2 TexCoord;
-            void main() {
-                gl_Position = vec4(position, 0.0, 1.0);
-                TexCoord = texCoord;
-            }
-        """.trimIndent()
-
-        val fragmentShader = """
-            #version 330 core
-            in vec2 TexCoord;
-            out vec4 FragColor;
-            uniform sampler2D ourTexture;
-            void main() {
-                FragColor = texture(ourTexture, TexCoord);
-            }
-        """.trimIndent()
-
-        shaderProgram = createShaderProgram(vertexShader, fragmentShader)
-
-        vao = glGenVertexArrays()
-        vbo = glGenBuffers()
-
-        glBindVertexArray(vao)
-        glBindBuffer(GL_ARRAY_BUFFER, vbo)
-
-        val vertices = floatArrayOf(
-            -1.0f, -1.0f, 0.0f, 0.0f,
-            1.0f, -1.0f, 1.0f, 0.0f,
-            -1.0f,  1.0f, 0.0f, 1.0f,
-            1.0f,  1.0f, 1.0f, 1.0f
-        )
-
-        val vertexBuffer = MemoryUtil.memAllocFloat(vertices.size)
-        vertexBuffer.put(vertices).flip()
-
-        glBufferData(GL_ARRAY_BUFFER, vertexBuffer, GL_STATIC_DRAW)
-        glVertexAttribPointer(0, 2, GL_FLOAT, false, 4 * 4, 0)
-        glVertexAttribPointer(1, 2, GL_FLOAT, false, 4 * 4, 2 * 4)
-        glEnableVertexAttribArray(0)
-        glEnableVertexAttribArray(1)
-
-        MemoryUtil.memFree(vertexBuffer)
-
-        textureID = glGenTextures()
-        glBindTexture(GL_TEXTURE_2D, textureID)
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
-    }
-
-    private fun loadVolumeData(binFilePath: String) {
-        val file = File(binFilePath)
-        if (!file.exists()) {
-            throw IllegalArgumentException("File $binFilePath not found")
-        }
-
-        val buffer = ByteBuffer.wrap(file.readBytes())
-            .order(ByteOrder.LITTLE_ENDIAN)
-            .asShortBuffer()
-
-        volumeData = ShortArray(width * height * depth)
-        buffer.get(volumeData)
-
-        // Автоматическое определение min/max значений
-        minValue = volumeData.minOrNull()?.toInt() ?: 0
-        maxValue = volumeData.maxOrNull()?.toInt() ?: 4096
-
-        println("Loaded volume data: ${volumeData.size} voxels")
-        println("Value range: $minValue - $maxValue")
-    }
-
-    private fun updateTexture(layer: Int) {
-        val layerData = ByteBuffer.allocateDirect(width * height * 4)
-
-        for (y in 0 until height) {
-            for (x in 0 until width) {
-                val value = volumeData[x + y * width + layer * width * height].toInt()
-                val normalized = ((value - minValue).toFloat() / (maxValue - minValue).toFloat()).coerceIn(0f, 1f)
-                val color = (normalized * 255).toInt()
-
-                layerData.put(color.toByte())
-                layerData.put(color.toByte())
-                layerData.put(color.toByte())
-                layerData.put(255.toByte()) // Alpha
-            }
-        }
-
-        layerData.flip()
-        glBindTexture(GL_TEXTURE_2D, textureID)
-        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, layerData)
-    }
-
-    private fun mainLoop() {
-        glClearColor(0.2f, 0.3f, 0.3f, 1.0f)
-
-        while (!glfwWindowShouldClose(window)) {
-            glClear(GL_COLOR_BUFFER_BIT)
-
-            updateTexture(currentLayer)
-
-            glUseProgram(shaderProgram)
-            glBindVertexArray(vao)
-            glDrawArrays(GL_TRIANGLE_STRIP, 0, 4)
-
-            glfwSwapBuffers(window)
-            glfwPollEvents()
-
-            if (glfwGetKey(window, GLFW_KEY_UP) == GLFW_PRESS) {
-                currentLayer = min(currentLayer + 1, depth - 1)
-            }
-            if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS) {
-                currentLayer = max(currentLayer - 1, 0)
-            }
-        }
-    }
-
-    private fun createShaderProgram(vertexShaderSource: String, fragmentShaderSource: String): Int {
-        val vertexShader = glCreateShader(GL_VERTEX_SHADER)
-        glShaderSource(vertexShader, vertexShaderSource)
-        glCompileShader(vertexShader)
-
-        val fragmentShader = glCreateShader(GL_FRAGMENT_SHADER)
-        glShaderSource(fragmentShader, fragmentShaderSource)
-        glCompileShader(fragmentShader)
-
-        val program = glCreateProgram()
-        glAttachShader(program, vertexShader)
-        glAttachShader(program, fragmentShader)
-        glLinkProgram(program)
-
-        glDeleteShader(vertexShader)
-        glDeleteShader(fragmentShader)
-
-        return program
-    }
-
-    private fun cleanup() {
-        glDeleteVertexArrays(vao)
-        glDeleteBuffers(vbo)
-        glDeleteTextures(textureID)
-        glDeleteProgram(shaderProgram)
-        glfwTerminate()
-    }
-}
-
-fun main() {
-    // Укажите путь к вашему .bin файлу
-    val binFilePath = "./testdata.bin"
-    CTVisualizer().run(binFilePath)
-}*/
-
 import org.lwjgl.glfw.GLFW.*
 import org.lwjgl.opengl.GL
-import org.lwjgl.opengl.GL11.glViewport
+import org.lwjgl.opengl.GL11.*
 import org.lwjgl.system.MemoryUtil.NULL
 import kotlin.system.exitProcess
 
@@ -238,21 +24,35 @@ fun main() {
         glViewport(0, 0, width, height)
     }
 
+    val form1 = Form1()
+
+    glfwSetKeyCallback(window) { _: Long, key: Int, _: Int, action: Int, _: Int ->
+        if (action == GLFW_PRESS || action == GLFW_REPEAT) {
+            when (key) {
+                GLFW_KEY_LEFT -> {
+                    if (form1.currentLayer > 0) {
+                        form1.currentLayer--
+                        form1.view.needReload = true
+                    }
+                }
+                GLFW_KEY_RIGHT -> {
+                    if (form1.currentLayer < Bin.Z - 1) {
+                        form1.currentLayer++
+                        form1.view.needReload = true
+                    }
+                }
+            }
+        }
+    }
+
     glfwMakeContextCurrent(window)
     glfwSwapInterval(1)
     glfwShowWindow(window)
 
     GL.createCapabilities()
 
-    val form1 = Form1()
     form1.run(window)
 
     glfwTerminate()
     exitProcess(0)
 }
-
-
-
-
-
-

lab_2/src/main/kotlin/View.kt

@@ -6,6 +6,8 @@ import java.awt.image.BufferedImage
 import java.nio.ByteBuffer
 
 class View {
+    var needReload = false
+
     fun setupView(width: Int, height: Int) {
         glShadeModel(GL_SMOOTH)
         glMatrixMode(GL_PROJECTION)
@@ -15,79 +17,12 @@ class View {
     }
 
     fun drawQuads(layerNumber: Int) {
-        glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT)
+        if (needReload) {
-
+            generateTextureImage(layerNumber)
-        glBegin(GL_QUADS)
+            load2DTexture()
-
+            needReload = false
-        for (x in 0 until Bin.X - 1) {
-            for (y in 0 until Bin.Y - 1) {
-                val value1 = Bin.array[x + y * Bin.X + layerNumber * Bin.X * Bin.Y]
-                val value2 = Bin.array[x + (y + 1) * Bin.X + layerNumber * Bin.X * Bin.Y]
-                val value3 = Bin.array[x + 1 + (y + 1) * Bin.X + layerNumber * Bin.X * Bin.Y]
-                val value4 = Bin.array[x + 1 + y * Bin.X + layerNumber * Bin.X * Bin.Y]
-
-                val color1 = TransferHelper.transferFunction(value1)
-                val color2 = TransferHelper.transferFunction(value2)
-                val color3 = TransferHelper.transferFunction(value3)
-                val color4 = TransferHelper.transferFunction(value4)
-
-                glColor3f(color1.red / 255.0f, color1.green / 255.0f, color1.blue / 255.0f)
-                glVertex2f(x.toFloat(), y.toFloat())
-
-                glColor3f(color2.red / 255.0f, color2.green / 255.0f, color2.blue / 255.0f)
-                glVertex2f(x.toFloat(), (y + 1).toFloat())
-
-                glColor3f(color3.red / 255.0f, color3.green / 255.0f, color3.blue / 255.0f)
-                glVertex2f((x + 1).toFloat(), (y + 1).toFloat())
-
-                glColor3f(color4.red / 255.0f, color4.green / 255.0f, color4.blue / 255.0f)
-                glVertex2f((x + 1).toFloat(), y.toFloat())
-            }
         }
 
-        glEnd()
-    }
-
-    fun drawQuadStrip(layerNumber: Int) {
-        glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT)
-
-        for (x in 0 until Bin.X - 1) {
-            glBegin(GL_QUAD_STRIP)
-
-            for (y in 0 until Bin.Y) {
-                val value1 = Bin.array[x + y * Bin.X + layerNumber * Bin.X * Bin.Y]
-                val value2 = Bin.array[x + 1 + y * Bin.X + layerNumber * Bin.X * Bin.Y]
-
-                val color1 = TransferHelper.transferFunction(value1)
-                val color2 = TransferHelper.transferFunction(value2)
-
-                glColor3f(color1.red / 255.0f, color1.green / 255.0f, color1.blue / 255.0f)
-                glVertex2f(x.toFloat(), y.toFloat())
-
-                glColor3f(color2.red / 255.0f, color2.green / 255.0f, color2.blue / 255.0f)
-                glVertex2f((x + 1).toFloat(), y.toFloat())
-            }
-
-            glEnd()
-        }
-    }
-
-    private lateinit var textureImage: BufferedImage
-    private var textureID: Int = 0
-
-    fun generateTextureImage(layerNumber: Int) {
-        textureImage = BufferedImage(Bin.X, Bin.Y, BufferedImage.TYPE_INT_ARGB)
-
-        for (x in 0 until Bin.X) {
-            for (y in 0 until Bin.Y) {
-                val pixelNumber = x + y * Bin.X + layerNumber * Bin.X * Bin.Y
-                val color = TransferHelper.transferFunction(Bin.array[pixelNumber])
-                textureImage.setRGB(x, y, color.rgb)
-            }
-        }
-    }
-
-    fun drawTexture() {
         glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT)
         glEnable(GL_TEXTURE_2D)
         glBindTexture(GL_TEXTURE_2D, textureID)
@@ -112,6 +47,21 @@ class View {
         glDisable(GL_TEXTURE_2D)
     }
 
+    private lateinit var textureImage: BufferedImage
+    private var textureID: Int = 0
+
+    fun generateTextureImage(layerNumber: Int) {
+        textureImage = BufferedImage(Bin.X, Bin.Y, BufferedImage.TYPE_INT_ARGB)
+
+        for (x in 0 until Bin.X) {
+            for (y in 0 until Bin.Y) {
+                val pixelNumber = x + y * Bin.X + layerNumber * Bin.X * Bin.Y
+                val color = TransferHelper.transferFunction(Bin.array[pixelNumber])
+                textureImage.setRGB(x, y, color.rgb)
+            }
+        }
+    }
+
     fun load2DTexture() {
         textureID = glGenTextures()
         glBindTexture(GL_TEXTURE_2D, textureID)