how to change the scale of a picture in pygame
import pygame
picture = pygame.image.load(filename)
picture = pygame.transform.scale(picture, (1280, 720))how to change the scale of a picture in pygame
import pygame
picture = pygame.image.load(filename)
picture = pygame.transform.scale(picture, (1280, 720))pygame scale image
"""Load image"""
# I'm loading an image, but that does not matter.
surface = pygame.image.load("path/to/file.png").convert()
# Documentation for Surface.convert() and Surface.convert_alpha():
# https://www.pygame.org/docs/ref/surface.html#pygame.Surface.convert
"""Scale / resize surface"""
surface = pygame.transform.scale(surface=surface, size=(50, 50))
# In depth documentation:
# https://www.pygame.org/docs/ref/transform.html#pygame.transform.rotatepygame rotate image
import pygame
import pygame.font
pygame.init()
size = (400,400)
screen = pygame.display.set_mode(size)
clock = pygame.time.Clock()
def blitRotate(surf, image, pos, originPos, angle):
# calcaulate the axis aligned bounding box of the rotated image
w, h = image.get_size()
box = [pygame.math.Vector2(p) for p in [(0, 0), (w, 0), (w, -h), (0, -h)]]
box_rotate = [p.rotate(angle) for p in box]
min_box = (min(box_rotate, key=lambda p: p[0])[0], min(box_rotate, key=lambda p: p[1])[1])
max_box = (max(box_rotate, key=lambda p: p[0])[0], max(box_rotate, key=lambda p: p[1])[1])
# calculate the translation of the pivot
pivot = pygame.math.Vector2(originPos[0], -originPos[1])
pivot_rotate = pivot.rotate(angle)
pivot_move = pivot_rotate - pivot
# calculate the upper left origin of the rotated image
origin = (pos[0] - originPos[0] + min_box[0] - pivot_move[0], pos[1] - originPos[1] - max_box[1] + pivot_move[1])
# get a rotated image
rotated_image = pygame.transform.rotate(image, angle)
# rotate and blit the image
surf.blit(rotated_image, origin)
# draw rectangle around the image
pygame.draw.rect (surf, (255, 0, 0), (*origin, *rotated_image.get_size()),2)
font = pygame.font.SysFont('Times New Roman', 50)
text = font.render('image', False, (255, 255, 0))
image = pygame.Surface((text.get_width()+1, text.get_height()+1))
pygame.draw.rect(image, (0, 0, 255), (1, 1, *text.get_size()))
image.blit(text, (1, 1))
w, h = image.get_size()
angle = 0
done = False
while not done:
clock.tick(60)
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
elif event.type == pygame.KEYDOWN:
if event.key==pygame.K_ESCAPE:
done = True
pos = (screen.get_width()//2, screen.get_height()//2)
pos = (200, 200)
screen.fill(0)
blitRotate(screen, image, pos, (w//2, h//2), angle)
angle += 1
pygame.draw.line(screen, (0, 255, 0), (pos[0]-20, pos[1]), (pos[0]+20, pos[1]), 3)
pygame.draw.line(screen, (0, 255, 0), (pos[0], pos[1]-20), (pos[0], pos[1]+20), 3)
pygame.draw.circle(screen, (0, 255, 0), pos, 7, 0)
pygame.display.flip()
pygame.quit()pygame size of image
image = pygame.image.load("path/to/file.png") # load image
width, height = image.get_width(), image.get_height() # get size
print(width, height) # print size
"""
OUTPUT:
(50, 50)
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