如何解决如何在 Java 中只输出 diff-match-patch 的 DELETE 操作？
您好，我需要这方面的帮助，提前感谢您的时间和考虑
我的要求是：如何在 class SelectRect:
def __init__(self,xpos: int,ypos: int,w: int,h: int,rect_colour: tuple or list):
self.rect = pygame.Rect(xpos,ypos,w,h)
self.colour = rect_colour
self.x = xpos
self.y = ypos
def render(self,surf):
pygame.draw.rect(surf,self.colour,self.rect)
selected_rects = []
colour_rects = []
for i in range(15):
colour_rects.append(SelectRect(512,16 * i,TILE_SIZE,colours[i]))
colour = WHITE
l_mouse_down = False
r_mouse_down = False
export_surf = pygame.Surface((32,32))
export_surf.set_at((32,32),CYAN)
rects = []
y = 0
for i in range(32):
x = 0
for o in range(32):
rects.append(SelectRect(x * TILE_SIZE,y * TILE_SIZE,None))
x += 1
y += 1
while True:
screen.fill((32,32,32))
mx,my = pygame.mouse.get_pos()
if l_mouse_down:
for rect in rects:
if rect.rect.collidepoint(mx,my):
if rect not in selected_rects:
selected_rects.append(rect)
rect.colour = colour
for rect in colour_rects:
if rect.rect.collidepoint(mx,my):
colour = rect.colour
if r_mouse_down:
for rect in rects:
if rect.rect.collidepoint(mx,my):
if rect in selected_rects:
selected_rects.remove(rect)
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
sys.exit()
if event.type == pygame.KEYUP:
if event.key == pygame.K_e: # todo,export in jpeg or png,sup2
for rect in selected_rects:
export_surf.set_at((rect.x,rect.y),rect.colour)
if event.key == pygame.K_c:
selected_rects.clear()
if event.key == pygame.K_f:
for rect in rects:
selected_rects.append(rect)
rect.colour = colour
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1:
l_mouse_down = True
if event.button == 3:
r_mouse_down = True
if event.type == pygame.MOUSEBUTTONUP:
if event.button == 1:
l_mouse_down = False
if event.button == 3:
r_mouse_down = False
for rect in rects:
if rect not in selected_rects:
pygame.draw.rect(screen,(64,64,64),rect.rect)
else:
rect.render(screen)
for rect in colour_rects:
rect.render(screen)
pygame.draw.rect(screen,colour,[512,496,16,16])
screen.blit(export_surf,(0,0))
pygame.display.update()
clock.tick(framerate)
中仅显示 DELETE 操作？
这是我的代码：（这是一个 ActionPerformed JTextArea）
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