把图片列表合成一个GIF动画图片
- import os
- from PIL import Image
- import images2gif
- #type 合成GIF分类
- #0:图片缩放到最大宽度*最大高度(长方形)、并粘贴到最大宽度*最大高度(长方形)的白色背景图片中、居中后合成
- #1:图片缩放到最大长度(正方形)、并粘贴到最大长度(正方形)的白色背景图片中、居中后合成
- #2:图片不缩放、并粘贴到最大宽度*最大高度(长方形)的白色背景图片中、居中后合成
- #3:图片不缩放、并粘贴到最大长度(正方形)的白色背景图片中、居中后合成
- #4:原图直接合成(按宽度排序、不缩放也不粘贴到新的白色背景图片中)
- #5:原图直接合成(按高度排序、不缩放也不粘贴到新的白色背景图片中)
- def GetGifAnimationFromImages(targetGifFilePath, srcImageFilePaths, type = 0):
- #用来合成的图片
- images = []
- #取得所有图片中最大长度(宽度、高度)
- maxWidthAndHeight = 1
- #最大宽度和高度
- maxWidth = 1
- maxHeight = 1
- #取得图片按宽度从大到小排序的路径顺序
- widthAndFilePaths = []
- #取得图片按高度从大到小排序的路径顺序
- heightAndFilePaths = []
- for imageFilePath in srcImageFilePaths:
- fp = open(imageFilePath, "rb")
- width,height = Image.open(fp).size
- widthAndFilePaths.append((width, imageFilePath))
- heightAndFilePaths.append((height, imageFilePath))
- maxWidth = max(maxWidth, width)
- maxHeight = max(maxHeight, height)
- fp.close()
- maxWidthAndHeight = max(maxWidthAndHeight, maxWidth, maxHeight)
- #降序排列
- widthAndFilePaths.sort(key=lambda item: item[0], reverse=True)
- heightAndFilePaths.sort(key=lambda item: item[0], reverse=True)
- if type == 4 or type == 5:
- #原图直接合成(按宽度排序)
- if type == 4:
- for widthAndFilePath in widthAndFilePaths:
- img = Image.open(widthAndFilePath[1])
- images.append(img)
- #原图直接合成(按高度排序)
- if type == 5:
- for heightAndFilePath in heightAndFilePaths:
- img = Image.open(heightAndFilePath[1])
- images.append(img)
- else:
- for imageFilePath in srcImageFilePaths:
- fp = open(imageFilePath, "rb")
- img = Image.open(fp)
- width,height = img.size
- #生成空的白色背景图片
- if type == 0 or type == 2:
- #长方形
- imgResizeAndCenter = Image.new("RGB", [maxWidth,maxHeight], (255,255,255))
- elif type == 1 or type == 3:
- #正方形
- imgResizeAndCenter = Image.new("RGB", [maxWidthAndHeight,maxWidthAndHeight], (255,255,255))
- if type == 0:
- #宽度/最大宽度>=高度/最大高度,使用小的缩放比例
- if maxWidth / width >= maxHeight / height:
- resizeImg = img.resize((width * maxHeight / height, maxHeight),Image.ANTIALIAS)
- imgResizeAndCenter.paste(resizeImg, ((maxWidth - width * maxHeight / height)/ 2,0))
- else:
- resizeImg = img.resize((maxWidth, height * maxWidth / width),Image.ANTIALIAS)
- imgResizeAndCenter.paste(resizeImg, (0,(maxHeight - height * maxWidth / width)/ 2))
- if type == 1:
- #宽度>=高度,按宽度缩放到最大长度
- if width >= height:
- resizeImg = img.resize((maxWidthAndHeight, height * maxWidthAndHeight / width),Image.ANTIALIAS)
- imgResizeAndCenter.paste(resizeImg, (0,(maxWidthAndHeight - height * maxWidthAndHeight / width)/ 2))
- else:
- resizeImg = img.resize((width * maxWidthAndHeight / height, maxWidthAndHeight),Image.ANTIALIAS)
- imgResizeAndCenter.paste(resizeImg, ((maxWidthAndHeight - width * maxWidthAndHeight / height)/ 2, 0))
- elif type == 2:
- imgResizeAndCenter.paste(img, ((maxWidth - width) / 2,(maxHeight - height) / 2))
- elif type == 3:
- imgResizeAndCenter.paste(img, ((maxWidthAndHeight - width) / 2,(maxWidthAndHeight - height) / 2))
- # #保存缩放居中后的图片
- # imgResizeAndCenter.convert("RGB").save(os.path.dirname(imageFilePath) + os.sep + "ResizeAndCenter" + os.path.basename(imageFilePath), 'jpeg')
- images.append(imgResizeAndCenter)
- fp.close()
- images2gif.writeGif(targetGifFilePath, images, duration=1, nq=0.1)
- #取得目录下面的文件列表
- def GetDirImageList(dir_proc, recusive = True):
- resultList = []
- for file in os.listdir(dir_proc):
- if os.path.isdir(os.path.join(dir_proc, file)):
- if (recusive):
- resultList.append(GetDirImageList(os.path.join(dir_proc, file), recusive))
- continue
- resultList.append(os.path.join(dir_proc, file))
- return resultList
- if __name__ == "__main__":
- GetGifAnimationFromImages(r"D:\hecheng.gif", [r"D:\a.jpg", r"D:\b.jpg", r"D:\c.jpg"])
- GetGifAnimationFromImages(r"D:\hecheng1.gif", [r"D:\a.jpg", r"D:\b.jpg", r"D:\b.jpg", r"D:\c.jpg"], 1)
- GetGifAnimationFromImages(r"D:\hecheng2.gif", [r"D:\a.jpg", r"D:\b.jpg", r"D:\c.jpg"], 2)
- GetGifAnimationFromImages(r"D:\hecheng3.gif", [r"D:\a.jpg", r"D:\b.jpg", r"D:\c.jpg"], 3)
- GetGifAnimationFromImages(r"D:\hecheng4.gif", [r"D:\a.jpg", r"D:\b.jpg", r"D:\c.jpg"], 4)
- GetGifAnimationFromImages(r"D:\hecheng5.gif", [r"D:\a.jpg", r"D:\b.jpg", r"D:\c.jpg"], 5)
- GetGifAnimationFromImages(r"D:\hechengTest.gif", GetDirImageList(r"D:\GifMarker"), type = 4)