I am trying to make a drawing board in pygame but I want to be able to change the opacity using RGBA but it doesn't seem to be working, my code below:
import pygame as pg
import sys, os
from pygame.locals import *
pg.init()
draw = 0
color = 0
thick = 30
sav = 0
c = 0
r = 0
g = 0
b = 0
a = 255
l = 0
n = 0
z = 0
i9 = 1
circle = []
long = 0
drawing_name = ''
load_name = ''
th = False
fill = r,g,b,a
WHITE = 255,255,255
file = 0
surf = pg.image.load('dot.png')
surf.fill((r,g,b))
color_ = pg.cursors.Cursor((20,20), surf)
pg.mouse.set_cursor(color_)
screen = pg.display.set_mode((1440,900),pg.FULLSCREEN)
pg.display.set_caption('Drawing board')
screen.fill(WHITE)
#pg.mouse.set_visible(False)
font1 = pg.font.SysFont('Chalkduster', 50)
font2 = pg.font.SysFont('Chalkduster', 25)
text1 = font1.render('What do you want to name your artwork:', True, (0, 0, 0))
textRect1 = text1.get_rect()
textRect1.center = (700, 500)
text2 = font1.render(drawing_name, True, (0, 0, 0))
textRect2 = text2.get_rect()
textRect2.center = (700, 500)
text3 = font1.render('Too Long!', True, (0, 0, 0))
textRect3 = text3.get_rect()
textRect3.center = (700, 700)
text4 = font1.render('What do artwork do you want to load:', True, (0, 0, 0))
textRect4 = text4.get_rect()
textRect4.center = (700, 500)
text5 = font1.render(load_name, True, (0, 0, 0))
textRect5 = text5.get_rect()
textRect5.center = (700, 600)
text6 = font2.render('Not a drawing!', True, (0, 0, 0))
textRect6 = text6.get_rect()
textRect6.center = (700, 700)
line_pos_lst = []
def save():
global sav
sav += 1
screen.blit(text1, textRect1)
while True:
print(a)
fill = r,g,b,[a]
surf = pg.Surface((thick+20, thick+20))
surf.fill((r,g,b))
color_ = pg.cursors.Cursor((20,20), surf)
pg.mouse.set_cursor(color_)
for event in pg.event.get():
if event.type == pg.QUIT:
running = False
pg.quit()
sys.exit()
if event.type == pg.KEYDOWN:
if event.key == pg.K_SPACE:
if sav % 2 == 0:
screen.fill(WHITE)
if event.key == pg.K_TAB:
if sav % 2 == 0:
draw += 1
pg.mouse.set_visible(True)
if event.key == pg.K_p:
if sav % 2 == 0:
r = 255
g = 255
b = 255
a = 255
color += 1
if event.key == pg.K_0:
if sav % 2 == 0:
thick = 5
if event.key == pg.K_1:
if sav % 2 == 0:
thick = 10
if event.key == pg.K_2:
if sav % 2 == 0:
thick = 20
if event.key == pg.K_3:
if sav % 2 == 0:
thick = 30
if event.key == pg.K_4:
if sav % 2 == 0:
thick = 40
if event.key == pg.K_5:
if sav % 2 == 0:
thick = 50
if event.key == pg.K_q:
if sav % 2 == 0:
color1 = [r,g,b,a]
if event.key == pg.K_w:
if sav % 2 == 0:
color2 = [r,g,b,a]
if event.key == pg.K_e:
if sav % 2 == 0:
color3 = [r,g,b,a]
if event.key == pg.K_a:
if sav % 2 == 0:
r = color1[0]
g = color1[1]
b = color1[2]
a = color1[3]
if event.key == pg.K_s:
if sav % 2 == 0:
r = color2[0]
g = color2[1]
b = color2[2]
a = color2[3]
if event.key == pg.K_d:
if sav % 2 == 0:
r = color3[0]
g = color3[1]
b = color3[2]
a = color3[3]
if event.key == pg.K_m:
if sav % 2 == 0:
screen.fill(fill)
if event.key == pg.K_c:
if sav % 2 == 0:
r = 0
g = 0
b = 0
a = 255
if event.key == pg.K_r:
if sav % 2 == 0:
r += 10
if event.key == pg.K_g:
if sav % 2 == 0:
g += 10
if event.key == pg.K_b:
if sav % 2 == 0:
b += 10
if event.key == pg.K_PLUS:
if sav % 2 == 0:
a += 10
if event.key == pg.K_MINUS:
if sav % 2 == 0:
a -= 10
if event.key == pg.K_F4:
pg.image.save(screen, 'temp' + str(i9) + '.png')
save()
a += 1
std = True
while std:
pg.draw.rect(screen, (255,255,255), Rect(100, 400, 1240, 400))
text2 = font1.render(drawing_name, True, (0, 0, 0))
textRect2 = text2.get_rect()
textRect2.topleft = (300,600)
screen.blit(text2, textRect2)
save()
if len(drawing_name) == 30:
screen.blit(text3, textRect3)
long = 1
else:
long = 0
for event in pg.event.get():
if event.type == KEYDOWN:
if event.key == pg.K_BACKSPACE:
drawing_name = drawing_name[:-1]
elif event.key == pg.K_RETURN:
a9 = pg.image.load('temp' + str(i9) + '.png')
screen.blit(a9,(0,0))
pg.image.save(screen, 'drawing_' + drawing_name + ".png")
drawing_name = ''
std = False
else:
if long == 0:
if event.unicode == ' ':
drawing_name += '_'
else:
drawing_name += event.unicode
pg.display.update()
sav += 1
screen.fill((255,255,255))
continue
if event.key == pg.K_F6:
screen.blit(text4, textRect4)
sav += 1
th = True
while th:
pg.draw.rect(screen, (255,255,255), Rect(100, 400, 1240, 400))
screen.blit(text4, textRect4)
screen.blit(text5, textRect5)
text5 = font1.render(load_name, True, (0, 0, 0))
textRect5 = text5.get_rect()
textRect5.center = (700, 600)
if len(load_name) == 30:
screen.blit(text3, textRect3)
long = 1
else:
long = 0
if file == 1:
screen.blit(text6, textRect6)
if os.path.isfile('drawing_' + load_name + '.png') == True:
file = 0
for event in pg.event.get():
if event.type == KEYDOWN:
if event.key == pg.K_BACKSPACE:
load_name = load_name[:-1]
elif event.key == pg.K_RETURN:
if os.path.isfile('drawing_' + load_name + '.png') == True:
z0 = pg.image.load('drawing_' + load_name + '.png')
screen.blit(z0,(0,0))
load_name = ''
th = False
else:
file = 1
else:
if long == 0:
if event.unicode == ' ':
load_name += '_'
else:
load_name += event.unicode
pg.display.update()
continue
if event.key == pg.K_F9:
if sav % 2 == 0:
pg.mouse.set_visible(True)
c += 1
circle.append(pg.mouse.get_pos())
if len(circle) == 2:
x1,y1 = circle[0]
x2,y2 = circle[1]
radius = ((x1 - x2)**2 + (y1 - y2)**2)**0.5
pg.draw.circle(screen, (r,g,b,a),[x1, y1], radius, thick+20)
circle.clear()
if event.key == pg.K_l:
if sav % 2 == 0:
pg.mouse.set_cursor(pg.SYSTEM_CURSOR_CROSSHAIR)
pg.mouse.set_visible(True)
c += 1
l += 1
if event.key == pg.K_ESCAPE:
pg.quit()
sys.exit()
if event.type == pg.MOUSEBUTTONDOWN:
if sav % 2 == 0:
line_pos_lst.append(pg.mouse.get_pos())
n += 1
l += 1
if len(line_pos_lst) == 2:
pg.draw.line(screen, (r,g,b,a), line_pos_lst[0], line_pos_lst[1], width=thick+20 )
print(line_pos_lst[0],line_pos_lst[1])
n += 1
line_pos_lst.clear()
if draw % 2 == 0:
if c % 2 == 0:
if color % 2 != 1:
pg.mouse.set_visible(False)
r %= 255
g %= 255
b %= 255
a %= 255
x,y = pg.mouse.get_pos()
pg.draw.circle(screen, (r,g,b,a),[x, y], thick, 0)
pg.display.update()
Can you help me?
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