Picture tool class, image watermark, Text watermark, zoom, filler, etc.

ImportJava.awt.AlphaComposite;ImportJava.awt.Color;ImportJava.awt.Font;ImportJava.awt.Graphics2D;ImportJava.awt.Image;ImportJava.awt.geom.AffineTransform;Importjava.awt.image.AffineTransformOp;ImportJava.awt.image.BufferedImage;ImportJava.io.File;Importjava.io.IOException; ImportJavax.imageio.ImageIO; /*** Image Tool class, image watermark, Text watermark, zoom, filler, etc.*/  Public Final classImageutils {/**image format: JPG*/     Private Static FinalString pictrue_formate_jpg = "JPG"; Privateimageutils () {}/*** Add Image watermark *@paramtargetimg target picture path, such as: C://mypictrue//1.jpg *@paramwaterimg watermark Picture path, such as: C://mypictrue//logo.png *@paramThe x-watermark image is offset from the left side of the target image, if x<0, in the middle of the@paramy watermark image offset from the upper side of the target image, if y<0, in the middle of the@paramAlpha Transparency (0.0--1.0, 0.0 full transparent, 1.0 completely opaque)*/      Public Final Static voidPressimage (String targetimg, String waterimg,intXintYfloatAlpha) {             Try{File File=NewFile (TARGETIMG); Image Image=imageio.read (file); intwidth = image.getwidth (NULL); intHeight = image.getheight (NULL); BufferedImage BufferedImage=Newbufferedimage (width, height, bufferedimage.type_int_rgb); Graphics2D g=Bufferedimage.creategraphics (); G.drawimage (Image,0, 0, width, height,NULL); Image Waterimage= Imageio.read (NewFile (waterimg));//Watermark File                 intwidth_1 = Waterimage.getwidth (NULL); intHeight_1 = Waterimage.getheight (NULL);                                  G.setcomposite (Alphacomposite.getinstance (alphacomposite.src_atop, Alpha)); intWidthdiff = width-width_1; intHeightdiff = height-height_1; if(X < 0) {x= WIDTHDIFF/2; }Else if(X >Widthdiff) {x=Widthdiff; }                 if(Y < 0) {y= HEIGHTDIFF/2; }Else if(Y >Heightdiff) {y=Heightdiff; } g.drawimage (Waterimage, x, Y, width_1, height_1,NULL);//Watermark File EndG.dispose ();             Imageio.write (BufferedImage, pictrue_formate_jpg, file); } Catch(IOException e) {e.printstacktrace (); }     }      /*** Add text watermark *@paramtargetimg target picture path, such as: C://mypictrue//1.jpg *@parampresstext watermark text, such as: China Securities Network *@paramfontname font name, such as: Song Body *@paramFontStyle font styles, such as: Bold and Italic (font.bold| Font.Italic) *@paramfontSize font size in pixels *@paramColor Font *@paramThe offset of the X-watermark text from the left side of the target image, if x<0, in the middle of the@paramThe offset of the Y watermark text from the upper side of the target image, if y<0, in the middle of the@paramAlpha Transparency (0.0--1.0, 0.0 full transparent, 1.0 completely opaque)*/      Public Static voidPresstext (String targetimg, String Presstext, String fontname,intFontStyle,intFontSize, color color,intXintYfloatAlpha) {         Try{File File=NewFile (TARGETIMG); Image Image=imageio.read (file); intwidth = image.getwidth (NULL); intHeight = image.getheight (NULL); BufferedImage BufferedImage=Newbufferedimage (width, height, bufferedimage.type_int_rgb); Graphics2D g=Bufferedimage.creategraphics (); G.drawimage (Image,0, 0, width, height,NULL); G.setfont (NewFont (FontName, FontStyle, fontSize));             G.setcolor (color);                          G.setcomposite (Alphacomposite.getinstance (alphacomposite.src_atop, Alpha)); intwidth_1 = FontSize *GetLength (Presstext); intHeight_1 =fontSize; intWidthdiff = width-width_1; intHeightdiff = height-height_1; if(X < 0) {x= WIDTHDIFF/2; }Else if(X >Widthdiff) {x=Widthdiff; }             if(Y < 0) {y= HEIGHTDIFF/2; }Else if(Y >Heightdiff) {y=Heightdiff; } g.drawstring (Presstext, x, y+height_1);             G.dispose ();         Imageio.write (BufferedImage, pictrue_formate_jpg, file); } Catch(Exception e) {e.printstacktrace (); }     }          /*** Get character length, a Chinese character as 1 characters, an English letter as 0.5 characters *@paramtext *@returncharacter length, such as: text= "China", return 2;text= "test", return 2;text= "China ABC", return 4.*/      Public Static intgetlength (String text) {intTextLength =text.length (); intLength =textLength;  for(inti = 0; i < textLength; i++) {             if(String.valueof (Text.charat (i)). GetBytes (). length > 1) {length++; }         }         return(length% 2 = = 0)? LENGTH/2: LENGTH/2 + 1; }      /*** Image Zoom *@paramfilePath Picture Path *@paramHeight *@paramWidth *@paramif the BB ratio is not correct, need filler*/      Public Static voidResize (String FilePath,intHeightintWidthBooleanBB) {         Try {             DoubleRatio = 0;//Zoom ratioFile f =NewFile (FilePath); BufferedImage Bi=Imageio.read (f); Image itemp=bi.getscaledinstance (width, height, bufferedimage.scale_smooth); //Calculate scale             if((Bi.getheight () > height) | | (Bi.getwidth () >width)) {                    if(Bi.getheight () >bi.getwidth ()) {ratio= (NewInteger (height)). Doublevalue ()/bi.getheight (); } Else{ratio= (NewInteger (width)). Doublevalue ()/bi.getwidth (); } affinetransformop op=NewAffinetransformop (affinetransform.getscaleinstance (ratio, ratio),NULL); Itemp= Op.filter (BI,NULL); }                if(BB) {bufferedimage image=Newbufferedimage (width, height, bufferedimage.type_int_rgb); Graphics2D g=Image.creategraphics ();                    G.setcolor (Color.White); G.fillrect (0, 0, width, height); if(Width = = Itemp.getwidth (NULL)) G.drawimage (itemp,0, (Height-itemp.getheight (NULL))/2, Itemp.getwidth (NULL), Itemp.getheight (NULL), Color.White,NULL); ElseG.drawimage (itemp, (width-Itemp.getwidth (NULL))/2, 0, Itemp.getwidth (NULL), Itemp.getheight (NULL), Color.White,NULL);                    G.dispose (); Itemp=image; } imageio.write (BufferedImage) itemp,"JPG", F); } Catch(IOException e) {e.printstacktrace (); }     }       Public Static voidMain (string[] args)throwsIOException {//Add a text watermark//presstext ("d:/1.jpg", "Test", "Song Body", Font.Bold, Color.Red, 0.3f); //Picture ZoomResize ("D:/1.jpg", 100, 600,false); System.out.println ("The process is complete!" "); }      }

Picture tool class, image watermark, Text watermark, zoom, filler, etc.