python生成测试图片

直接代码

 import cv2.cv as cv
 saveImagePath = 'E:/ScreenTestImages/'

 colorRed = [0,0,255]
 colorGreen = [0,255,0]
 colorBlue = [255,0,0]
 colorWhite = [255,255,255]
 colorBlack = [0,0,0]
 colorAqua = [255,255,0]
 colorFuchsia = [255,0,255]
 colorYellow = [0,255,255]

 stardardColors = [colorBlue,colorGreen,colorAqua,colorRed,colorFuchsia,colorYellow,colorWhite]

 def createImg(depth=3):
     return cv.CreateImage((800,480),8,depth)

 def saveImageFile(typeName,img):
     filename = saveImagePath + typeName + '.png'
     cv.SaveImage(filename,img)
     print typeName+'.png','\t\t...\tok'

 def createOneColorImage(color):
     img = createImg()
     cv.Set(img,color)
     return img

 def create64GrayImage():
     img = createImg(1)
     cv.SetZero(img)
     for xPos in range(0,64):
         cv.SetImageROI(img,(int(12.5*xPos),0,800,480))
         cv.Set(img,xPos*255/63)
         cv.ResetImageROI(img)
     return img

 def createCheckBoardPattern(isReserved=False):
     img = createImg(1)
     boolColor = True
     numsX = 4
     numsY = 4
     pixsX = 800/numsX
     pixsY = 480/numsY
     for x in range(0,numsX):
         for y in range(0,numsY):
             cv.SetImageROI(img,(x*pixsX,y*pixsY,(x+1)*pixsX,(y+1)*pixsY))
             boolColor = not (x%2) ^ (y%2) ^ isReserved
             cv.Set(img,255*boolColor)
             cv.ResetImageROI(img)
     return img

 def createStardardImage():
     img = createImg()
     pixs = 800./7
     for i in range(0,7):
         cv.SetImageROI(img,(int(i*pixs),0,int(i*pixs+pixs),480))
         cv.Set(img,stardardColors[i])
         cv.ResetImageROI(img)
     return img

 if __name__ == '__main__':
     print 'Start Gen Test Screen Files ...'
     saveImageFile('red',createOneColorImage(colorRed))
     saveImageFile('green',createOneColorImage(colorGreen))
     saveImageFile('blue',createOneColorImage(colorBlue))
     saveImageFile('white',createOneColorImage(colorWhite))
     saveImageFile('black',createOneColorImage(colorBlack))
     saveImageFile('64gray',create64GrayImage())
     saveImageFile('checkboard Pattern',createCheckBoardPattern())
     saveImageFile('checkboard Pattern(inverted)',createCheckBoardPattern(True))
     saveImageFile('standard',createStardardImage())
     print 'Generate Success!'
     

贴上非单色图片的样子：

64 gray:

checkboard pattern:

checkboard pattern(inverted):

standard: