pygame字体问题
import pygameimport sys
from pygame.locals import *
pygame.init()
size = width, height = 600, 400
white = (255, 255, 255)
fullscreen = False
modes = pygame.display.list_modes()
clock = pygame.time.Clock()
bg = pygame.transform.smoothscale(pygame.image.load("waterfall.jpg"), (650, 450))
pygame.display.set_caption("MyUndertale")
screen = pygame.display.set_mode(size)
bg_position = size // 2 - 300, size // 2 - 200
F4_font = pygame.font.Font(None, 20)
while True:
screen.blit(bg, bg_position)
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
if event.type == KEYDOWN:
if event.key == K_F4:
fullscreen = not fullscreen
if fullscreen:
bg_position = modes// 2 - 960, modes // 2 - 700
bg = pygame.transform.smoothscale(pygame.image.load("waterfall.jpg"), (1950, 1350))
screen = pygame.display.set_mode(modes, FULLSCREEN | HWSURFACE)
else:
bg_position = size // 2 - 300, size // 2 - 200
bg = pygame.transform.smoothscale(pygame.image.load("waterfall.jpg"), (650, 450))
screen = pygame.display.set_mode(size)
F4_text = F4_font.render("请按下F4变成全屏", True, white)
screen.blit(F4_text, (200, 200))
pygame.display.flip()
clock.tick(100)
#pygame.time.delay(10)
问为什么文字"请按下F4变成全屏"打不出来？ 默认字体None不支持中文
字体你改成pygame.font.SysFont("字体", 大小)
pygame.font.get_fonts()也很好用 问题出在代码的位置。你将绘制 "请按下F4变成全屏" 的代码放在了事件监听的内部，当只有按下F4键时才会执行该代码。所以在按下F4键之前，这段代码是不会被执行到的。这就导致了文字没有显示出来的问题。
要解决这个问题，将绘制文字的代码移到事件监听的外部即可。以下是修改后的代码：
import pygame
import sys
from pygame.locals import *
pygame.init()
size = width, height = 600, 400
white = (255, 255, 255)
fullscreen = False
modes = pygame.display.list_modes()
clock = pygame.time.Clock()
bg = pygame.transform.smoothscale(pygame.image.load("waterfall.jpg"), (650, 450))
pygame.display.set_caption("MyUndertale")
screen = pygame.display.set_mode(size)
bg_position = size // 2 - 300, size // 2 - 200
F4_font = pygame.font.Font(None, 20)
F4_text = F4_font.render("请按下F4变成全屏", True, white)# 将绘制文字的代码移到此处
while True:
screen.blit(bg, bg_position)
screen.blit(F4_text, (200, 200))# 绘制文字
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
if event.type == KEYDOWN:
if event.key == K_F4:
fullscreen = not fullscreen
if fullscreen:
bg_position = modes // 2 - 960, modes // 2 - 700
bg = pygame.transform.smoothscale(pygame.image.load("waterfall.jpg"), (1950, 1350))
screen = pygame.display.set_mode(modes, FULLSCREEN | HWSURFACE)
else:
bg_position = size // 2 - 300, size // 2 - 200
bg = pygame.transform.smoothscale(pygame.image.load("waterfall.jpg"), (650, 450))
screen = pygame.display.set_mode(size)
pygame.display.flip()
clock.tick(100)
修改后，无论是否按下F4键，文字都会被显示出来。
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