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¿ØÖÆwidth ºÍ height

ÓÃjsËõ·Å

Image¿Õ¼äµÄ¿í£¬¸ß¶¯Ì¬Ð޸ġ­¡­

int_Width Ä㶨µÄ¿í
int_Height Ä㶨µÄ¸ß
input_ImgFile ΪÄãÉÏ´«µ½·þÎñÆ÷µÄԭʼͼ·¾¶
out_ImgFile ±£´æµÈ±ÈÀýËõ·ÅµÄͼµÄ·¾¶
C# code:

public static void Thumbnail (int int_Width, int int_Height, string input_ImgFile, string out_ImgFile)
{

System.Drawing.Image oldimage = System.Drawing.Image.fromFile(input_ImgFile);
float New_Width; // еĿí¶È
float New_Height; // еĸ߶È
float Old_Width,Old_Height; //ԭʼ¸ß¿í
int flat = 0;//±ê¼ÇͼƬÊDz»ÊǵȱÈ


int xPoint = 0;//Èô¹ûÒª²¹°×±ßµÄ»°£¬Ô­Í¼ÏñËùÔÚµÄx£¬y×ø±ê¡£
int yPoint=0;
//ÅжÏͼƬ

Old_Width = (float)oldimage.Width;
Old_Height = (float)oldimage.Height;

if ((Old_Width / Old_Height) > ((float)int_Width / (float)int_Height)) //µ±Í¼Æ¬Ì«¿íµÄʱºò
{
New_Height = Old_Height * ((float)int_Width / (float)Old_Width);
New_Width = (float)int_Width;
//´Ëʱx×ø±ê²»ÓÃÐÞ¸Ä
yPoint = (int)(((float)int_Height - New_Height) / 2);
flat


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