Pg :01 from OpenGL.GL import * from OpenGL.GLUT import * from OpenGL.GLU import * def init(): glClearColor(0.0,0.0,0.0,1.0) gluOrtho2D(0,100,0,100) def plotLine(x1,y1,x2,y2): m = 2 * (y2 - y1) pk = m - (x2 - x1) y=y1 glClear(GL_COLOR_BUFFER_BIT) glColor3f(1.0,0.0,0.0) glPointSize(10.0) glBegin(GL_POINTS) for x in range(x1,x2+1): glVertex2f(x,y) pk =pk + m if (pk>= 0): y=y+1 pk =pk - 2 * (x2 - x1) glEnd() glFlush() x1 = int(input("Enter x1: ")) y1 = int(input("Enter y1: ")) x2 = int(input("Enter x2: ")) y2 = int(input("Enter y2: ")) print("starting window....") glutInit(sys.argv) glutInitDisplayMode(GLUT_RGB) glutInitWindowSize(500,500) glutInitWindowPosition(0,0) glutCreateWindow("Bresenham Line Algorithm") glutDisplayFunc(lambda:plotLine(x1,y1,x2,y2)) init() glutMainLoop() Pg :02 from OpenGL.GL import* from OpenGL.GLU import* from OpenGL.GLUT import* def init(): glMatrixMode(GL_PROJECTION) glLoadIdentity() gluOrtho2D(0,100,0,100) glClearColor(1.0,1.0,0.0,0.0) glClear(GL_COLOR_BUFFER_BIT) def draw(): #drawing separation lines glColor3f(0.5,0.5,0.5) glPointSize(10.0) glBegin(GL_LINES) glVertex2i(0,50) glVertex2i(100,50) glVertex2i(50,0) glVertex2i(50,100) glEnd() glFlush() #triangle glColor3f(0.0,0.0,0.0) glPointSize(10.0) glBegin(GL_POLYGON) glVertex2i(10,10) glVertex2i(40,10) glVertex2i(25,40) glEnd() glFlush() #square glColor3f(0.0,0.0,0.0) glPointSize(10.0) glBegin(GL_POLYGON) glVertex2i(10,60) glVertex2i(40,60) glVertex2i(40,90) glVertex2i(10,90) glEnd() glFlush() #rectangle glColor3f(0.0,0.0,0.0) glPointSize(10.0) glBegin(GL_POLYGON) glVertex2i(55,65) glVertex2i(95,65) glVertex2i(95,85) glVertex2i(55,85) glEnd() glFlush() #hexagon glColor3f(0.0,0.0,0.0) glPointSize(10.0) glBegin(GL_POLYGON) glVertex2i(65,15) glVertex2i(85,15) glVertex2i(95,25) glVertex2i(85,35) glVertex2i(65,35) glVertex2i(55,25) glEnd() glFlush() def main(): glutInit() glutInitWindowSize(500,500) glutCreateWindow(\"OpenGL Window\") glutDisplayFunc(draw) init() glutMainLoop() Pg : 03 from OpenGL.GL import * from OpenGL.GLU import * from OpenGL.GLUT import * vertices = ( (1, -1, -1),(1, 1, -1),(-1, 1, -1),(-1, -1, -1), (1, -1, 1), (1, 1, 1), (-1, -1, 1), (-1, 1, 1) ) edges = ( (0, 1), (1, 2), (2, 3), (3, 0), (4, 5), (5, 6), (6, 7), (7, 4), (0, 4), (1, 5), (2, 6), (3, 7) ) surfaces = ( (0, 1, 2, 3),(3, 2, 7, 6), (6, 7, 5, 4), (4, 5, 1, 0), (1, 5, 7, 2), (4, 0, 3, 6) ) colors=((1,0,0),(0,1,0), (0,0,1), (1,1,0), (1,0,1), (0,1,1)) def Cube(): glBegin(GL_QUADS) for i, surface in enumerate(surfaces): glColor3fv(colors[i]) for vertex in surface: glVertex3fv(vertices[vertex]) glEnd() glBegin(GL_LINES) glColor3fv((0, 0, 0)) for edge in edges: for vertex in edge: glVertex3fv(vertices[vertex]) glEnd() def display(): glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) glRotatef(1, 3, 1, 1) Cube() glutSwapBuffers() def timer(value): glutPostRedisplay() glutTimerFunc(10, timer, 0) def main(): glutInit() glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH) glutInitWindowSize(800, 600) glutCreateWindow("Rotating Cube") glEnable(GL_DEPTH_TEST) gluPerspective(45, (800 / 600), 0.1, 50.0) glTranslatef(0.0, 0.0, -5) glutDisplayFunc(display) glutTimerFunc(10, timer, 0) glutMainLoop() if __name__ == "__main__": main() Pg : 04 import sys from OpenGL.GL import * from OpenGL.GLUT import * angle = 0.0 scale_factor = 1.0 translate_x = 0.0 translate_y = 0.0 def init(): glClearColor(1.0, 1.0, 1.0, 1.0) glMatrixMode(GL_PROJECTION) glLoadIdentity() gluOrtho2D(-1.0, 1.0, -1.0, 1.0) def draw_square(): glBegin(GL_POLYGON) glVertex2f(-0.1, -0.1) glVertex2f(0.1, -0.1) glVertex2f(0.1, 0.1) glVertex2f(-0.1, 0.1) glEnd() def display(): global angle, scale_factor, translate_x, translate_y glClear(GL_COLOR_BUFFER_BIT) glMatrixMode(GL_MODELVIEW) glLoadIdentity() glTranslatef(translate_x, translate_y, 0.0) glRotatef(angle, 0.0, 0.0, 1.0) glScalef(scale_factor, scale_factor, 1.0) glColor3f(0.0, 0.0, 1.0) draw_square() glutSwapBuffers() def keyboard(key, x, y): global angle, scale_factor, translate_x, translate_y if key == b'q' or key == b'Q': sys.exit() elif key == b'r' or key == b'R': angle += 10.0 elif key == b's' or key == b'S': scale_factor += 0.1 elif key == b't' or key == b'T': translate_x += 0.1 elif key == b'f' or key == b'F': translate_x -= 0.1 elif key == b'g' or key == b'G': translate_y += 0.1 elif key == b'h' or key == b'H': translate_y -= 0.1 glutPostRedisplay() def main(): glutInit(sys.argv) glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB) glutInitWindowSize(500, 500) glutInitWindowPosition(100, 100) glutCreateWindow(b"2D Transformation") glutDisplayFunc(display) glutKeyboardFunc(keyboard) init() glutMainLoop() if __name__ == "__main__": main() Pg : 05 from OpenGL.GL import * from OpenGL.GLUT import * from OpenGL.GLU import * angle = 0 scale = 1.0 translation = [0.0, 0.0, 0.0] vertices = ( (1, -1, -1), (1, 1, -1), (-1, 1, -1), (-1, -1, -1), (1, -1, 1), (1, 1, 1), (-1, -1, 1), (-1, 1, 1) ) edges = ( (0, 1), (1, 2), (2, 3),(3, 0),(4, 5), (5, 6), (6, 7), (7, 4), (0, 4), (1, 5), (2, 6), (3, 7) ) surfaces = ( (0, 1, 2, 3), (3, 2, 7, 6), (6, 7, 5, 4), (4, 5, 1, 0), (1, 5, 7, 2), (4, 0, 3, 6) ) colors = ( (1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 0), (1, 0, 1), (0, 1, 1) ) def draw_cube(): glBegin(GL_QUADS) for i, surface in enumerate(surfaces): glColor3fv(colors[i]) for vertex in surface: glVertex3fv(vertices[vertex]) glEnd() glBegin(GL_LINES) glColor3fv((0, 0, 0)) for edge in edges: for vertex in edge: glVertex3fv(vertices[vertex]) glEnd() def display(): global angle glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) glLoadIdentity() glTranslatef(0.0, 0.0, -5) glScalef(scale, scale, scale) glTranslatef(*translation) glRotatef(angle, 3, 1, 1) draw_cube() glutSwapBuffers() angle += 0.5 def keyboard(key, x, y): global scale, translation if key == b'\x1b': # ESC key glutLeaveMainLoop() elif key == b'+': scale += 0.1 elif key == b'-': scale -= 0.1 elif key == GLUT_KEY_LEFT: translation[0] -= 0.1 elif key == GLUT_KEY_RIGHT: translation[0] += 0.1 elif key == GLUT_KEY_UP: translation[1] += 0.1 elif key == GLUT_KEY_DOWN: translation[1] -= 0.1 def reshape(width, height): if height == 0: height = 1 glViewport(0, 0, width, height) glMatrixMode(GL_PROJECTION) glLoadIdentity() gluPerspective(45, width / height, 0.1, 50.0) glMatrixMode(GL_MODELVIEW) glLoadIdentity() def main(): glutInit() glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH) glutInitWindowSize(800, 600) glutCreateWindow("Rotating, Scaling, and Translating Cube") glEnable(GL_DEPTH_TEST) glutDisplayFunc(display) glutIdleFunc(display) glutReshapeFunc(reshape) glutSpecialFunc(keyboard) glutMainLoop() if __name__ == "__main__": main() Pg : 06 from OpenGL.GL import * from OpenGL.GLUT import * from OpenGL.GLU import * import time angle = 0 scale = 1.0 scale_direction = 1 translation = [0.0, 0.0, 0.0] translation_direction = [1, 1, 1] vertices = ( (1, -1, -1), (1, 1, -1), (-1, 1, -1), (-1, -1, -1),(1, -1, 1),(1, 1, 1),(-1, -1, 1),(-1, 1, 1) ) edges = ( (0, 1), (1, 2), (2, 3), (3, 0), (4, 5), (5, 6), (6, 7), (7, 4), (0, 4), (1, 5), (2, 6), (3, 7) ) surfaces = ( (0, 1, 2, 3), (3, 2, 7, 6), (6, 7, 5, 4), (4, 5, 1, 0), (1, 5, 7, 2), (4, 0, 3, 6) ) colors = ((1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 0), (1, 0, 1), (0, 1, 1) ) def draw_cube(): glBegin(GL_QUADS) for i, surface in enumerate(surfaces): glColor3fv(colors[i]) for vertex in surface: glVertex3fv(vertices[vertex]) glEnd() glBegin(GL_LINES) glColor3fv((0, 0, 0)) for edge in edges: for vertex in edge: glVertex3fv(vertices[vertex]) glEnd() def display(): global angle, scale, translation glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) glLoadIdentity() glTranslatef(0.0, 0.0, -10) glScalef(scale, scale, scale) glTranslatef(*translation) glRotatef(angle, 1, 1, 1) draw_cube() glutSwapBuffers() angle += 0.5 def animate(): global scale, scale_direction, translation, translation_direction # Update scale scale += 0.01 * scale_direction if scale >= 1.5 or scale <= 0.5: scale_direction *= -1 # Update translation for i in range(3): translation[i] += 0.01 * translation_direction[i] if translation[i] >= 1 or translation[i] <= -1: translation_direction[i] *= -1 glutPostRedisplay() time.sleep(0.01) def keyboard(key, x, y): if key == b'\x1b': # ESC key glutLeaveMainLoop() def reshape(width, height): if height == 0: height = 1 glViewport(0, 0, width, height) glMatrixMode(GL_PROJECTION) glLoadIdentity() gluPerspective(45, width / height, 0.1, 50.0) glMatrixMode(GL_MODELVIEW) glLoadIdentity() def main(): glutInit() glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH) glutInitWindowSize(800, 600) glutCreateWindow("Cube with Animation") glEnable(GL_DEPTH_TEST) glutDisplayFunc(display) glutIdleFunc(animate) glutReshapeFunc(reshape) glutKeyboardFunc(keyboard) glutMainLoop() if __name__ == "__main__": main() Pg : 07 import cv2 def split_image(image_path): # Read the image image = cv2.imread(image_path) # Get the dimensions of the image height, width, _ = image.shape # Split the image into four quadrants left = image[0:height, 0:width//2] right = image[0:height, width//2:width] up = image[0:height//2, 0:width] down = image[height//2:height, 0:width] return left, right, up, down def display_quadrants(left, right, up, down): cv2.imshow('Left Quadrant', left) cv2.imshow('Right Quadrant', right) cv2.imshow('Upper Quadrant', up) cv2.imshow('Lower Quadrant', down) cv2.waitKey(0) cv2.destroyAllWindows() def main(): image_path = "your_image_path.jpg" # Replace with the path to your image left, right, up, down = split_image(image_path) display_quadrants(left, right, up, down) if __name__ == "__main__": main() Pg : 08 import cv2 import numpy as np def rotate_image(image, angle): height, width = image.shape[:2] rotation_matrix = cv2.getRotationMatrix2D((width/2, height/2), angle, 1) rotated_image = cv2.warpAffine(image, rotation_matrix, (width, height)) return rotated_image def scale_image(image, scale_factor): scaled_image = cv2.resize(image, None, fx=scale_factor, fy=scale_factor, interpolation=cv2.INTER_LINEAR) return scaled_image def translate_image(image, tx, ty): translation_matrix = np.float32([[1, 0, tx], [0, 1, ty]]) translated_image = cv2.warpAffine(image, translation_matrix, (image.shape[1], image.shape[0])) return translated_image def main(): image_path = "mat.jpg" # Replace with the path to your image original_image = cv2.imread(image_path) rotated_image = rotate_image(original_image, 45) scaled_image = scale_image(original_image, 1.5) translated_image = translate_image(original_image, 50, 50) cv2.imshow('Original Image', original_image) cv2.imshow('Rotated Image', rotated_image) cv2.imshow('Scaled Image', scaled_image) cv2.imshow('Translated Image', translated_image) cv2.waitKey(0) cv2.destroyAllWindows() if __name__ == "__main__": main() Pg : 09 import cv2 import numpy as np def display_image(title, image): cv2.imshow(title, image) cv2.waitKey(0) cv2.destroyAllWindows() def canny_edge_detection(image): gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) blurred = cv2.GaussianBlur(gray, (5, 5), 0) edges = cv2.Canny(blurred, 50, 150) return edges def texture_filtering(image): gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) laplacian = cv2.Laplacian(gray, cv2.CV_64F) laplacian_uint8 = np.uint8(np.absolute(laplacian)) return laplacian_uint8 def main(): image_path = "matt.jpg" image = cv2.imread(image_path) edges = canny_edge_detection(image) display_image('Canny Edge Detection', edges) textures = texture_filtering(image) display_image('Texture Filtering (Laplacian)', textures) if __name__ == "__main__": main() Pg : 10 import cv2 def display_image(title, image): cv2.imshow(title, image) cv2.waitKey(0) cv2.destroyAllWindows() def blur_image(image): blurred = cv2.GaussianBlur(image, (5, 5), 0) return blurred def main(): image_path = "youm image.jpg" image = cv2.imread(image_path) blurred_image = blur_image(image) display_image('Original Image', image) display_image('Blurred Image', blurred_image) if __name__ == "__main__": main() Pg : 11 import cv2 def display_image(title, image): cv2.imshow(title, image) cv2.waitKey(0) cv2.destroyAllWindows() def contour_image(image): gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) _, binary = cv2.threshold(gray, 127, 255, cv2.THRESH_BINARY) contours, _ = cv2.findContours(binary, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE) contour_image = image.copy() cv2.drawContours(contour_image, contours, -1, (0, 255, 0), 2) return contour_image def main(): image_path = "matt.jpg" image = cv2.imread(image_path) contoured_image = contour_image(image) display_image('Original Image', image) display_image('Contoured Image', contoured_image) if __name__ == "__main__": main() Pg : 12 import cv2 def display_image(title, image): cv2.imshow(title, image) cv2.waitKey(0) cv2.destroyAllWindows() def detect_faces(image_path): face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_frontalface_default.xml') image = cv2.imread(image_path) gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=5, minSize=(30, 30)) for (x, y, w, h) in faces: cv2.rectangle(image, (x, y), (x+w, y+h), (0, 255, 0), 2) return image def main(): image_path = "moti.jpg" image_with_faces = detect_faces(image_path) display_image('Image with Faces Detected', image_with_faces) if __name__ == "__main__": main()