def plot_sparkline_smooth(results, args):
step = int(args.get('step', '2'))
height = int(args.get('height', '20'))
(dmin, dmax) = [int(x) for x in args.get('limits', '0,100').split(',')]
im = PNGCanvas((len(results)-1)*step+4, height)
im.color = rgb.colors('white')
im.filledRectangle(0, 0, im.width-1, im.height-1)
coords = zip(range(1,len(results)*step+1, step), [height - 3 - (y-dmin)/(float(dmax - dmin +1)/(height-4)) for y in results])
im.color = rgb.colors('gray53')
lastx, lasty = coords[0]
for x0, y0, in coords:
im.line(lastx, lasty, x0, y0)
lastx, lasty = x0, y0
min_color = rgb.colors(args.get('min-color', 'green'))
max_color = rgb.colors(args.get('max-color', 'red'))
last_color = rgb.colors(args.get('last-color', 'blue'))
has_min = args.get('min-m', 'false')
has_max = args.get('max-m', 'false')
has_last = args.get('last-m', 'false')
if has_min == 'true':
min_pt = coords[results.index(min(results))]
im.color = min_color
im.filledRectangle(min_pt[0]-1, min_pt[1]-1, min_pt[0]+1, min_pt[1]+1)
if has_max == 'true':
im.color = max_color
max_pt = coords[results.index(max(results))]
im.filledRectangle(max_pt[0]-1, max_pt[1]-1, max_pt[0]+1, max_pt[1]+1)
if has_last == 'true':
im.color = last_color
end = coords[-1]
im.filledRectangle(end[0]-1, end[1]-1, end[0]+1, end[1]+1)
return im.dump()
def plot_sparkline_discrete(results, args, longlines=False):
"""The source data is a list of values between
0 and 100 (or 'limits' if given). Values greater than 95
(or 'upper' if given) are displayed in red, otherwise
they are displayed in green"""
width = int(args.get('width', '2'))
height = int(args.get('height', '14'))
upper = int(args.get('upper', '50'))
below_color = args.get('below-color', 'dark gray')
above_color = args.get('above-color', 'red')
gap = 4
if longlines:
gap = 0
im = PNGCanvas(len(results)*width-1, height)
im.color = rgb.colors('white')
im.filledRectangle(0, 0, im.width-1, im.height-1)
(dmin, dmax) = [int(x) for x in args.get('limits', '0,100').split(',')]
if dmax < dmin:
dmax = dmin
zero = im.height - 1
if dmin < 0 and dmax > 0:
zero = im.height - (0 - dmin) / (float(dmax - dmin + 1) / (height - gap))
for (r, i) in zip(results, range(0, len(results)*width, width)):
color = (r >= upper) and above_color or below_color
if r < 0:
y_coord = im.height - (r - dmin) / (float(dmax - dmin + 1) / (height - gap))
else:
y_coord = im.height - (r - dmin) / (float(dmax - dmin + 1) / (height - gap))
im.color = rgb.colors(color)
if longlines:
im.filledRectangle(i, zero, i+width-2, y_coord)
else:
im.filledRectangle(i, y_coord - gap, i+width-2, y_coord)
return im.dump()
def png_sparkline(numbers, width=60, height=14, color=None, bgcolor='white'):
if len(numbers) > width: return None
color = png_colors.get(color) or png_colors.get('blue')
bgcolor = png_colors.get(bgcolor) or png_colors.get('white')
img = PNGCanvas(width, height, color=color, bgcolor=bgcolor)
img.color = color
_draw_series(img, numbers, width, height)
return img.dump()
def grabImage():
windows = CGWindowListCopyWindowInfo(kCGWindowListOptionAll,
kCGNullWindowID)
for window in windows:
#print(window)
try:
if window['kCGWindowName'] == 'Krunker':
print('Krunker window found!')
print(window)
# get window dimensions
x = int(window['kCGWindowBounds']['X'])
y = int(window['kCGWindowBounds']['Y'])
width = int(window['kCGWindowBounds']['Width'])
height = int(window['kCGWindowBounds']['Height'])
print('Dimensions: {}'.format((x, y, width, height)))
center = (width // 2, height // 2)
print('Center: {}'.format(center))
window_id = int(window['kCGWindowNumber'])
print('Window ID: {}'.format(window_id))
#region = CGRectMake(x, y, width, height)
#region = CGRectInfinite
# get img data
img = CGWindowListCreateImage(CGRectInfinite,
kCGWindowListOptionAll,
window_id, kCGWindowImageDefault)
prov = CGImageGetDataProvider(img)
img_data = CGDataProviderCopyData(prov)
img_width, img_height = CGImageGetWidth(img), CGImageGetHeight(
img)
# create canvas based on image data pixels
canvas = PNGCanvas(img_width, img_height)
for x in range(img_width):
for y in range(img_height):
offset = 4 * (
(img_width * int(round(y))) + int(round(x)))
b, g, r, a = struct.unpack_from('BBBB',
img_data,
offset=offset)
canvas.point(x, y, color=(r, g, b, a))
# dump canvas to png
with open('test.png', 'wb') as f:
f.write(canvas.dump())
except:
# handle exception
pass
def convert_image(self, space_level):
tile = PNGCanvas(SIZE, SIZE, bgcolor=[0xff,0xff,0xff,0])
temp_color_scheme = []
for i in range(self.level_max):
temp_color_scheme.append(self.color_scheme.canvas[self.cache_levels[i]][0])
for y in xrange(SIZE):
for x in xrange(SIZE):
if len(temp_color_scheme) > 0:
tile.canvas[y][x] = [int(e) for e in temp_color_scheme[max(0, min(len(temp_color_scheme) - 1, self.scale_value(space_level[y][x])))]]
else:
tile.canvas[y][x] = [0,0,0,0]
return tile
def convert_image(self, space_level):
tile = PNGCanvas(len(space_level[0]),
len(space_level),
bgcolor=[0xff, 0xff, 0xff, 0])
color_scheme = []
for i in range(LEVEL_MAX):
color_scheme.append(self.color_scheme.canvas[cache_levels[i]][0])
for y in xrange(len(space_level[0])):
for x in xrange(len(space_level[0])):
#log.error(space_level[y][x])
tile.canvas[y][x] = color_scheme[min(LEVEL_MAX - 1,
int(space_level[y][x]))]
return tile
def create(self):
self.img = PNGCanvas(self.width, self.height)
self.img.color = [0xff, 0xff, 0xff, 0xff]
#self.img.color = [0x39,0x9e,0xff,0xff]
#self.img.verticalGradient(1,1,self.width-2, self.height-2,[0xff,0,0,0xff],[0x60,0,0xff,0x80])
self.img.verticalGradient(1, 1, self.width - 2, self.height - 2,
[0xff, 0x45, 0x45, 0xff],
[0xff, 0xcb, 0x44, 0xff])
for i in range(4):
a = str(self.text)[i]
self.writeText(a, i)
return self.img.dump()
def make_image(self):
'''
Creates PNG image with QR Code
'''
boxsize = 10 # pixels per box
offset = 1 # boxes as border
pixelsize = (self.getModuleCount() + offset + offset) * boxsize
canvas = PNGCanvas(pixelsize, pixelsize)
for row in range(self.getModuleCount()):
for column in range(self.getModuleCount()):
if (self.isDark(row, column) ):
pos_x = (column + offset) * boxsize
pos_y = (row + offset) * boxsize
canvas.filledRectangle(pos_x, pos_y, pos_x + boxsize, pos_y + boxsize)
return canvas.dump()
def __init__(self, user, lat_north, lng_west, range_lat, range_lng):
userinfo = UserInfo.all().filter('user ='******'t do any more math if we don't have any venues
cur_canvas = self.color_scheme.canvas
self.tile_img = PNGCanvas(SIZE, SIZE, bgcolor=cur_canvas[len(cur_canvas) - 1][0]) #NOTE the last index should be safe here, but for users with negative level_max's, self.cache_levels was an empty list and thus this was erroring
def plot_error(results, args):
im = PNGCanvas(40, 15)
im.color = rgb.colors['red']
im.line(0, 0, im.width - 1, im.height - 1)
im.line(0, im.height - 1, im.width - 1, 0)
return im.dump()
# -*- coding: utf-8 -*-
"""
Created on 2014-09-
Last edited on 2014-09-
@author: Ew3n
"""
from pngcanvas import PNGCanvas
import math
HEIGHT = 500
WIDTH = int(HEIGHT * (16 / 9))
canvas = PNGCanvas(WIDTH,
HEIGHT,
bgcolor=(255, 255, 255, 255),
color=(0, 0, 0, 255))
def get_point(x, y):
"""
Return (Red, Green, Blue, Alpha) for the given (x, y) point.
"""
R = (math.sin(x / 50)**2) * 0xFF
G = (math.cos(y / 50)**2) * 0xFF
B = (math.sin((x - y) / 50)**2) * 0xFF
A = 0xFF
return (int(R), int(G), int(B), int(A))
for x in range(WIDTH):
# Unpack data from string into Python'y integers
b, g, r, a = struct.unpack_from(data_format, self._data, offset=offset)
# Return BGRA as RGBA
return (r, g, b, a)
def get_screenshot():
sp = ScreenPixel()
sp.capture()
print(sp.width, sp.height)
print(sp.pixel(0, 0))
# 这里是解析像素点色彩
im = Image.frombytes("RGBA", (sp.width, sp.height), sp._data)
b, g, r, a = im.split()
im = Image.merge("RGBA", (r, g, b, a))
return im
if __name__ == "__main__":
sp = ScreenPixel()
# 设置区域截图(截图区域必须符合1024的规则,不然图像会异常)
region = CG.CGRectMake(64, 64, 128, 128)
sp.capture(region=region)
c = PNGCanvas(sp.width, sp.height)
for x in range(sp.width):
for y in range(sp.height):
c.point(x, y, color = sp.pixel(x, y))
# 这里是保存,如果不需要就可以不用保存,区域越大,保存时间越长
with open("test.png", "wb") as f:
f.write(c.dump())
#!/usr/bin/python
# Gets partial screenshot and saves it into PNG file.
import Quartz.CoreGraphics as cg
region = cg.CGRectMake(
0, 0, 400, 400) # You can also use cg.CGRectInfinite for the full screen.
image = cg.CGWindowListCreateImage(region, cg.kCGWindowListOptionOnScreenOnly,
cg.kCGNullWindowID,
cg.kCGWindowImageDefault)
prov = cg.CGImageGetDataProvider(image)
img_data = cg.CGDataProviderCopyData(prov)
img_width, img_height = cg.CGImageGetWidth(image), cg.CGImageGetHeight(image)
from pngcanvas import PNGCanvas
import struct
canvas = PNGCanvas(img_width, img_height)
for x in range(img_width):
for y in range(img_height):
# Calculate offset, based on http://www.markj.net/iphone-uiimage-pixel-color/
offset = 4 * ((img_width * int(round(y))) + int(round(x)))
# Pixel data is unsigned char (8bit unsigned integer), and there are for (blue,green,red,alpha).
# Unpack data from string into Python'y integers.
b, g, r, a = struct.unpack_from("BBBB", img_data, offset=offset)
# Assign BGRA color as RGBA.
canvas.point(x, y, color=(r, g, b, a))
with open("test.png", "wb") as f:
f.write(canvas.dump())
