将天气情况设置为桌面壁纸，天气情况桌面壁纸,#!/usr/bin/e
#!/usr/bin/env python# -*- coding: utf-8 -*-##-------------------------------------------------------------------------------# Name: 解析天气数据类## Author: Small White## Created: 2014-09-09## Python Tested: 3.4.1## dependency:# 1) Pillow# 2) pywin32 (e.g. Python for Windows)# 3) win32-py3.4## Modification History:#-------------------------------------------------------------------------------from PIL import Image, ImageDraw, ImageEnhanceimport win32gui,win32con,win32apiimport osfrom WeatherReport34 import WeatherReportCWD = os.path.split(os.path.realpath(__file__))[0]def reduceOpacity(image, opacity): """Returns an image with reduced opacity.""" assert opacity >= 0 and opacity <= 1 if image.mode != 'RGBA': image = image.convert('RGBA') alpha = image.split()[3] alpha = ImageEnhance.Brightness(alpha).enhance(opacity) image.putalpha(alpha) return imagedef addWatermark(image, watermark, position, opacity=1): """Adds a addWatermark to an image.""" if opacity < 1: watermark = reduceOpacity(watermark, opacity) if image.mode != 'RGBA': image = image.convert('RGBA') # create a transparent layer the size of the image and draw the # watermark in that layer. layer = Image.new('RGBA', image.size, (0,0,0,0)) if position == 'tile': for y in range(0, image.size[1], watermark.size[1]): for x in range(0, image.size[0], watermark.size[0]): layer.paste(watermark, (x, y)) elif position == 'scale': # scale, but preserve the aspect ratio ratio = min( float(image.size[0]) / watermark.size[0], float(image.size[1]) / watermark.size[1]) w = int(watermark.size[0] * ratio) h = int(watermark.size[1] * ratio) watermark = watermark.resize((w, h)) layer.paste(watermark, ((image.size[0] - w) / 2, (image.size[1] - h) / 2)) else: layer.paste(watermark, position) # composite the watermark with the layer return Image.composite(layer, image, layer)def setWallpaperFromBMP(imagepath, paperStyle = "TILE"): """ Chage desktop background using the picture from the imagepath """ # 平铺 (默认) styleSetting = "1" tileSetting = "1" if paperStyle == "CENTER":# 0桌面居中 styleSetting = "0" tileSetting = "0" elif paperStyle == "STRETCH":# 2拉伸适应桌面 styleSetting = "2" tileSetting = "0" k = win32api.RegOpenKeyEx(win32con.HKEY_CURRENT_USER,"Control Panel\\Desktop",0,win32con.KEY_SET_VALUE) win32api.RegSetValueEx(k, "WallpaperStyle", 0, win32con.REG_SZ, styleSetting) win32api.RegSetValueEx(k, "TileWallpaper", 0, win32con.REG_SZ, tileSetting) win32gui.SystemParametersInfo(win32con.SPI_SETDESKWALLPAPER,imagepath, 1+2)def hasCrossLineBetweenBoxes(box1, box2): return abs((box1[0]+box1[2])/2.0 - (box2[0]+box2[2])/2.0) <= ((box1[2]+box2[2]-box1[0]-box2[0])/2.0) and \ abs((box1[1]+box1[3])/2.0 - (box2[1]+box2[3])/2.0) <= ((box1[3]+box2[3]-box1[1]-box2[1])/2.0)if __name__ == "__main__": screenWidth = vscreenwidth = win32api.GetSystemMetrics(win32con.SM_CXVIRTUALSCREEN) screenHeight = vscreenheigth = win32api.GetSystemMetrics(win32con.SM_CYVIRTUALSCREEN) vscreenx = win32api.GetSystemMetrics(win32con.SM_XVIRTUALSCREEN) vscreeny = win32api.GetSystemMetrics(win32con.SM_YVIRTUALSCREEN) ''' Returns only one monitor size, so we don't use them. screenWidth = win32api.GetSystemMetrics(win32con.SM_CXSCREEN) screenHeight = win32api.GetSystemMetrics(win32con.SM_CYSCREEN) ''' bgImage = Image.new('RGBA', (screenWidth, screenHeight), color = 0) bgImageDraw = ImageDraw.ImageDraw(bgImage) weatherReport = WeatherReport() weatherReportImage = weatherReport.getWeatherReportImage() bgImage = addWatermark(bgImage, weatherReportImage, (15,15), 1) weatherReportImage.close() if bgImage.mode != 'RGB': R,G,B,A = bgImage.split() bgImage = Image.merge("RGB",(R,G,B)) bgImage.save(CWD + os.sep + "backgroud.bmp","BMP") setWallpaperFromBMP(CWD + os.sep + "backgroud.bmp") bgImage.close()
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