python图片取模心得源码附送

python图⽚取模⼼得，源码附送print()技巧print()⾃带回车，加上end=''取消回车直接打印图像模式：print(img_file.mode）modesDescription11位像素，⿊⽩图像，存成8位像素{0，255}L8位像素，⿊⽩{0，1，2，....，255}P9位像素，使⽤调⾊板映射到任何其他模式RGB3*8位像素，真彩RGBA4*8位像素，真彩+透明通道CMYK4*8位像素，印刷四⾊模式或彩⾊印刷模式YCbCr3*8位像素，⾊彩视频格式I32位整型像素F33位浮点型像素1print('1')2print('2')34print('1',end='')5print('2')67结果：819210121112Processfinishedwithexitcode0对于彩⾊图像，不管其图像格式是PNG，还是BMP，或者JPG，在PIL中，使⽤Image模块的open()函数打开后，返回的图像对象的模式都是“RGB”。⽽对于灰度图像，不管其图像格式是PNG，还是BMP，或者JPG，打开后，其模式为“L”。1fromPILimportImage#调⽤库，包含图像类23img1=Image.open('晴.png')#打开彩⾊图⽚4print(img1.format,img1.mode,img1.size,img1.palette)5img2=Image.open('huidu.jpg')#打开灰⾊图⽚6print(img2.format,img2.mode,img2.size,img2.palette)78结果：9PNGRGBA(48,48)None10JPEGL(48,48)None1112Processfinishedwithexitcode0模式转换：convert('L')img_L=img1.convert('L')常⽤模板：#函数Image.open('晴.png')Image.fromarray(255*array_np_16)#⽅法img1.show()img1.save('⽣成.bmp')img1.resize((PIX_W,PIX_H))img_L=img1.convert('L')1、彩⾊图像-------》(0~255)或者（False/True）的数组：对数组img_array[i][k]访问1fromPILimportImage#调⽤库，包含图像类2importnumpyasnp3print("结果：>>")4#iiiiiiiiiiiiiiiiuuiiiiiiiiiiiii5img1=Image.open('晴.png')#打开彩⾊图⽚6img_L=img1.convert('L')#0_255的图7#img_L=img1.convert('1')#0/1的图8img_array=np.array(img_L)2、(0~255)或者（False/True）的数组-------》彩⾊图像：注意int(True)=1,但是转化为255最⽩⾊new_im=Image.fromarray(img_array)#注意int(True)=1,但是转化为255最⽩⾊：API:基本上输⼊原图的路径就会有正常输出，将会得到灰度图、裁剪⼆值化图、根据数组的检查图，在控制台输出数组constunsignedcharBMP_mai_32X30[]U8X8_PROGMEM={undefined0x00,0x7e,0x00,0x00,0x80,0xff,0x00,0x00,0xe0,0xff,0x03,0x00,0xf0,0x80,0x07,0x00,0x78,0x00,0x0f,0x00,0x3c,0x00,0x1c,0x00,0x1c,0x00,0xf8,0x00,0x0e,0x00,0xf8,0x07,0x06,0x00,0xf0,0x0f,0x07,0x00,0x10,0x1e,0x07,0x00,0x00,0x38,0x07,0x00,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x7f,0xff,0xff,0xff,0xff,0xfe,0xff,0xff,0x7f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x7f,0xff,0xff,0xff,0xff,0xfe,0xff,0xff,0x7f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0x7f,0xff,0xff,0xff,0xff,0xfe,0xff,0xff,0x7f,};//arduino图⽚数组1.⽀持png透明填充2.⽀持0-255阈值设定3.⽀持反转4.⽀持⼤⼩缩放5.⽀持矩形裁剪6.有两种扫描⽅式：⽔平扫描和垂直扫描，对应变量MODE='W'/'H'7.⾃定义输出格式聪明的⼩机灵⿁还可以⾃⾏封装处理多张图⽚，甚⾄是视频哦1#time:2022/3/1217:132#author:Hu_Guangliang3#4fromPILimportImage5importnumpyasnp6fromtypingimportList7#⽤户操作区###############################8IMG_PATH='雾.png'9YU_ZHI=20#阈值越⼤亮度越低#⿊⽩反转10FAN_ZHUAN=111#图像⼤⼩，裁剪前12PIX_H=3013PIX_W=3214#裁剪属性#图像⾼#图像宽15W_START=0#裁剪x开始位置16W_END=PIX_W-0#裁剪x结束位置#裁剪y开始位置#裁剪y结束位置17H_START=018H_END=PIX_H-019#输出格式20MODE='W'#H/W，纵向扫描/横向扫描#const变量命名21NAME='mai'22NUM_W=16#每⾏数据个数23242526defPrint_C51(C51_list,name,height_t,width_t):27count=028print('constunsignedcharBMP_'+name+'_'+str(width_t)+'X'+str(height_t)+'[]U8X8_PROGMEM={')29foriinC51_list:30313233print('0x{:02x},'.format(i),end='')count+=1if(count%NUM_W==0):print('')34print('};\n')35defCkeckBMP(bmp_list,width_t,height_t):36ifMODE=='W':37ifwidth_t%8!=0:3839404142434445width_t=width_t+(8-width_t%8)ck_array=np.empty(shape=(height_t,width_t),dtype=np.uint8)width_t=int(width_t/8)foriinrange(0,height_t):forkinrange(0,width_t):forpinrange(0,8):ck_array[i][k*8+p]=bmp_list[i*width_t+k]%2bmp_list[i*width_t+k]/=246elifMODE=='H':47484950515253545556ifheight_t%8!=0:height_t=height_t+(8-height_t%8)ck_array=np.empty(shape=(height_t,width_t),dtype=np.uint8)height_t=int(height_t/8)print(height_t)foriinrange(0,height_t):forkinrange(0,width_t):forpinrange(0,8):ck_array[i*8+p][k]=bmp_list[i*width_t+k]%2bmp_list[i*width_t+k]/=257ck_img=Image.fromarray(255*ck_array)58ck_img.save('CkeckBMP.bmp')#预览5960defjinzhi_16(pp:List[int]):61temp111=np.uint8(0);62foriinrange(7,-1,-1):6364656667temp111=temp111<<1ifi<(len(pp)):temp111+=pp[i]else:temp111+=1-FAN_ZHUAN68#print(temp111)69returnnp.uint8(temp111)7071#创建⼤⼩缩放图⽚72img_file=Image.open(IMG_PATH)73ifimg_file.format=='PNG':74foryhinrange(img_file.size[1]):757677787980forxwinrange(img_file.size[0]):dot=(xw,yh)color_d=img_file.getpixel(dot)if(color_d[3]==0):color_d=(255,255,255,255)img_file.putpixel(dot,color_d)81img_file=img_file.resize((PIX_W,PIX_H))82print('img_file:',img_file.format,img_file.mode,img_file.size,img_file.palette)83#创建灰度图84img_L=img_file.convert('L')85#img_L.show()86img_L.save('huidu.bmp')87print('img_L:',img_L.mode,img_L.size)88#创建图像转数组89img_array=np.array(img_L)90print(img_array.shape,W_START,W_END,H_START,H_END)91img_array=img_array[H_START:H_END,W_START:W_END]92print(img_array.shape)93#创建%8扩容存储⼆值化的数组np.empty94height,width=img_array.shape95height_2=height%896height_8=int(height/8)+(1ifheight_2!=0else0)97width_2=width%898width_8=int(width/8)+(1ifwidth_2!=0else0)99100#⼆值化数组,反转101foriinrange(0,height):102forkinrange(0,width):103104105106107108if(img_array[i][k]>YU_ZHI):img_array[i][k]=1-FAN_ZHUANelse:img_array[i][k]=FAN_ZHUANimg_array[i][k]=img_array[i][k]print(img_array[i][k],end='')109print('')110111new_img=Image.fromarray(255*img_array)112new_img.save('⽣成.bmp')#预览113114115#输出C51格式116out_list=[]117if(MODE=='W'):118foriinrange(0,height):119120121#print(i)forkinrange(0,width_8):out_list.append(int(jinzhi_16(img_array[i][k*8:k*8+8ifk*8+8<widthelsewidth])))122elif(MODE=='H'):123foriinrange(0,height_8)