JavaPrintingModel2_JunoYoon.PDF

Transcription

1 <JSTORM> 2 JSTORM

2 2 Issued by: < > Revision: <10> <2000/12/21> Document Information Document title: 2 Document file name: Revision number: <10> Issued by: Issue Date: <2000/12/21> Status: JavaPrintingModel2_JunoYoondoc < > junoyoon@orgionet final Audience Abstract Content Information 5 2 Java Printing API Reference Printing in Java, Part 2 ( Benchmark information by Jean-Pierre Dubé JSTORM <2/35>

3 2 Issued by: < > Revision: <10> <2000/12/21> Table of Contents Pageable Books 7, TextLayout 22 TextLayout JSTORM <3/35>

4 2 Issued by: < > Revision: <10> <2000/12/21> 1 1 Printable Pageable 2 Book 2 2D API Sun Java 13 Windows 2000 Linux 1 Printable Pageable Printable Printable Printable Pageable Book 1 Printable 1 2 /** 3 * Class: Example1 <p> 4 * JSTORM <4/35>

5 2 Issued by: < > Revision: <10> <2000/12/21> 5 Jean-Pierre Dube <jpdube@videotronca> Printable 9 */ import javaawt*; 12 import javaawtgeom*; 13 import javaawtprint*; public class Example1 implements Printable { // Private 19 private final double INCH = 72; /** 24 * Constructor: Example1 <p> 25 * 26 */ 27 public Example1 () { //--- printerjob 30 PrinterJob printjob = PrinterJobgetPrinterJob (); //--- Example1 Printable 33 //--- Printable this 34 printjobsetprintable (this); // // // if (printjobprintdialog()) { 40 try { 41 printjobprint(); 42 } catch (Exception PrintException) { 43 PrintExceptionprintStackTrace(); 44 } 45 } } JSTORM <5/35>

6 2 Issued by: < > Revision: <10> <2000/12/21> /** 51 * Method: print <p> 52 * 53 * 54 * 1/2 * 1/2 55 * 56 * 57 g a value of type Graphics 58 pageformat a value of type PageFormat 59 page a value of type int 60 a value of type int 61 */ 62 public int print (Graphics g, PageFormat pageformat, int page) { int i; 65 Graphics2D g2d; 66 Line2DDouble line = new Line2DDouble (); // 69 if (page == 0) { //--- graphic2d 72 g2d = (Graphics2D) g; 73 g2dsetcolor (Colorblack); //--- (0,0) 76 g2dtranslate(pageformatgetimageablex(), pageformatgetimageabley()); // for (i = 0; i < pageformatgetwidth (); i += INCH / 2) { 80 linesetline (i, 0, i, pageformatgetheight ()); 81 g2ddraw (line); 82 } // for (i = 0; i < pageformatgetheight (); i += INCH / 2) { 86 linesetline (0, i, pageformatgetwidth (), i); 87 g2ddraw (line); 88 } 89 JSTORM <6/35>

7 2 Issued by: < > Revision: <10> <2000/12/21> 90 return (PAGE_EXISTS); 91 } 92 else 93 return (NO_SUCH_PAGE); 94 } } //Example1 1 1/2 * 1/ API Printable PrinterJob,,, Printable print() Graphics PAGE_EXIT NO_SUCH_PAGE Pageable Books Printable Printable Pageable Book 1 Book Book (painter) Pageable Book 1 2 /** 3 * Class: Example2 <p> 4 * 5 * Print in Java series for the JavaWorld magazine 6 * JSTORM <7/35>

8 2 Issued by: < > Revision: <10> <2000/12/21> 7 Jean-Pierre Dube <jpdube@videotronca> */ import javaawt*; 13 import javaawtfont*; 14 import javaawtgeom*; 15 import javaawtprint*; public class Example2 { //--- Private 21 private final static int POINTS_PER_INCH = 72; /** 25 * Constructor: Example2 <p> 26 * 27 */ 28 public Example2 () { //--- PrinterJob 31 PrinterJob printjob = PrinterJobgetPrinterJob (); //--- (page) book 34 Book book = new Book (); //--- Job 37 bookappend (new IntroPage (), printjobdefaultpage ()); //--- (document) 40 PageFormat documentpageformat = new PageFormat (); 41 documentpageformatsetorientation (PageFormatLANDSCAPE); 42 bookappend (new Document (), documentpageformat); //--- printjob Pageable Book 45 printjobsetpageable (book); //--- print 48 //--- cancel 49 //--- JSTORM <8/35>

9 2 Issued by: < > Revision: <10> <2000/12/21> 50 if (printjobprintdialog()) { 51 try { 52 printjobprint(); 53 } catch (Exception PrintException) { 54 PrintExceptionprintStackTrace(); 55 } 56 } 57 } /** 61 * Class: IntroPage <p> 62 * 63 * Printable 64 * (cover page) (painter) <p> 65 * 66 Jean-Pierre Dube <jpdube@videotronca> Printable 70 */ 71 private class IntroPage implements Printable { /** 75 * Method: print <p> 76 * 77 g a value of type Graphics 78 pageformat a value of type PageFormat 79 page a value of type int 80 a value of type int 81 */ 82 public int print (Graphics g, PageFormat pageformat, int page) { //--- Graphics2D 85 Graphics2D g2d = (Graphics2D) g; //--- (0, 0) ( ) 88 g2dtranslate (pageformatgetimageablex (), pageformatgetimageabley ()); // g2dsetpaint (Colorblack); JSTORM <9/35>

10 2 Issued by: < > Revision: <10> <2000/12/21> // Rectangle2DDouble border = new Rectangle2DDouble (0, 95 0, 96 pageformatgetimageablewidth (), 97 pageformatgetimageableheight ()); 98 g2ddraw (border); // String titletext = "Printing in Java Part 2"; 102 Font titlefont = new Font ("helvetica", FontBOLD, 36); 103 g2dsetfont (titlefont); // FontMetrics fontmetrics = g2dgetfontmetrics (); 107 double titlex = (pageformatgetimageablewidth () / 2) - (fontmetricsstringwidth (titletext) / 2); 108 double titley = 3 * POINTS_PER_INCH; 109 g2ddrawstring (titletext, (int) titlex, (int) titley); return (PAGE_EXISTS); 112 } 113 } /** 118 * Class: Document <p> 119 * 120 * document <p> 121 * 122 * 123 Jean-Pierre Dube <jpdube@videotronca> Printable 127 */ 128 private class Document implements Printable { /** 132 * Method: print <p> 133 * JSTORM <10/35>

11 2 Issued by: < > Revision: <10> <2000/12/21> 134 g a value of type Graphics 135 pageformat a value of type PageFormat 136 page a value of type int 137 a value of type int 138 */ 139 public int print (Graphics g, PageFormat pageformat, int page) { //--- Graphics2D 143 Graphics2D g2d = (Graphics2D) g; //--- (0, 0) ( ) 146 g2dtranslate (pageformatgetimageablex (), pageformatgetimageabley ()); // g2dsetpaint (Colorblack); // g2dsetstroke (new BasicStroke (12)); 153 Rectangle2DDouble border = new Rectangle2DDouble (0, 154 0, 155 pageformatgetimageablewidth (), 156 pageformatgetimageableheight ()); g2ddraw (border); // g2ddrawstring ("This the content page", POINTS_PER_INCH, POINTS_PER_INCH); //--- Validate 164 return (PAGE_EXISTS); } 167 } } // Example2 (cover) (document) JSTORM <11/35>

12 2 Issued by: < > Revision: <10> <2000/12/21> /** 4 * Class: Example3 <p> 5 * 6 Jean-Pierre Dube <jpdube@videotronca> */ import javaawt*; 12 import javaawtfont*; 13 import javaawtgeom*; 14 import javaawtprint*; public class Example3 { //--- Private 20 private final static int POINTS_PER_INCH = 72; /** 24 * Constructor: Example3 <p> 25 * 26 */ 27 public Example3 () { //--- PrinterJob 30 PrinterJob printjob = PrinterJobgetPrinterJob (); //--- Book 33 Book book = new Book (); //--- printjob 36 bookappend (new IntroPage (), printjobdefaultpage ()); //--- document 39 PageFormat documentpageformat = new PageFormat (); 40 documentpageformatsetorientation (PageFormatLANDSCAPE); 41 bookappend (new Document (), documentpageformat); JSTORM <12/35>

13 2 Issued by: < > Revision: <10> <2000/12/21> //--- painter 44 bookappend (new Document (), documentpageformat); //--- printjob Pageable Book 47 printjobsetpageable (book); // //--- cancel 51 // if (printjobprintdialog()) { 53 try { 54 printjobprint(); 55 } catch (Exception PrintException) { 56 PrintExceptionprintStackTrace(); 57 } 58 } } /** 63 * Class: IntroPage <p> 64 * 65 * Printable 66 * <p> 67 * 68 Jean-Pierre Dube <jpdube@videotronca> Printable 72 */ 73 private class IntroPage implements Printable { /** 77 * Method: print <p> 78 * 79 g a value of type Graphics 80 pageformat a value of type PageFormat 81 page a value of type int 82 a value of type int 83 */ 84 public int print (Graphics g, PageFormat pageformat, int page) { JSTORM <13/35>

14 2 Issued by: < > Revision: <10> <2000/12/21> //--- Graphics2D 87 Graphics2D g2d = (Graphics2D) g; //--- ( ) (0,0) 90 g2dtranslate (pageformatgetimageablex (), pageformatgetimageabley ()); // g2dsetpaint (Colorblack); // Rectangle2DDouble border = new Rectangle2DDouble (0, 97 0, 98 pageformatgetimageablewidth (), 99 pageformatgetimageableheight ()); 100 g2ddraw (border); // String titletext = "Printing in Java Part 2"; 104 Font titlefont = new Font ("helvetica", FontBOLD, 36); 105 g2dsetfont (titlefont); // FontMetrics fontmetrics = g2dgetfontmetrics (); 109 double titlex = (pageformatgetimageablewidth () / 2) - (fontmetricsstringwidth (titletext) / 2); 110 double titley = 3 * POINTS_PER_INCH; 111 g2ddrawstring (titletext, (int) titlex, (int) titley); return (PAGE_EXISTS); 114 } 115 } /** 120 * Class: Document <p> 121 * 122 * document <p> 123 * 124 * 125 Jean-Pierre Dube <jpdube@videotronca> JSTORM <14/35>

15 2 Issued by: < > Revision: <10> <2000/12/21> Printable 129 */ 130 private class Document implements Printable { /** 134 * Method: print <p> 135 * 136 g a value of type Graphics 137 pageformat a value of type PageFormat 138 page a value of type int 139 a value of type int 140 */ 141 public int print (Graphics g, PageFormat pageformat, int page) { //--- Graphics2D 145 Graphics2D g2d = (Graphics2D) g; //--- ( ) (0, 0) 148 g2dtranslate (pageformatgetimageablex (), pageformatgetimageabley ()); // g2dsetpaint (Colorblack); // g2dsetstroke (new BasicStroke (12)); 155 Rectangle2DDouble border = new Rectangle2DDouble (0, 156 0, 157 pageformatgetimageablewidth (), 158 pageformatgetimageableheight ()); g2ddraw (border); // if (page == 1) { 165 // g2ddrawstring ("This the content page of page: " + page, POINTS_PER_INCH, POINTS_PER_INCH); JSTORM <15/35>

16 2 Issued by: < > Revision: <10> <2000/12/21> 167 return (PAGE_EXISTS); 168 } // else if (page == 2) { 172 // g2ddrawstring ("This the content of the second page: " + page, POINTS_PER_INCH, POINTS_PER_INCH); 174 return (PAGE_EXISTS); 175 } //--- Validate 179 return (NO_SUCH_PAGE); } 182 } } // Example if API API 2, 12 (print job) OS 1 JSTORM <16/35>

17 2 Issued by: < > Revision: <10> <2000/12/21> if (printjobprintdialog()) { try { printjobprint(); } catch (Exception PrintException) { PrintExceptionprintStackTrace(); } } PrinterJob printdialog Boolean Print printdialog() true cancel false printdialog() Boolean (interact) PrinterJob page 2 JSTORM <17/35>

18 2 Issued by: < > Revision: <10> <2000/12/21>,,, PageForamt PageFormat documentpageformat = new PageFormat (); documentpageformat = printjobpagedialog (documentpageformat); bookappend (new Document (), documentpageformat); OK pagedialog() PageFormat (clone) Cancel PageFormat JSTORM <18/35>

19 2 Issued by: < > Revision: <10> <2000/12/21> CR/LF 2 CR/LF 3 baseline ascend baseline baseline descend leading 2 height ascend leading descend string advance Arial text Lucida text baseline y text x 4 JSTORM <19/35>

20 2 Issued by: < > Revision: <10> <2000/12/21> 2 Serif Times New Roman serif ABCD Sans serif Arial sans serif (monospaced) (proportional) monospaced monospaced proportional proportional Apple Lisa (WORA) (font family) 8 : Serif, Sans Serif, Dialog, Dialog Input, Lucida Sans, Lucida Sans Typewriter, Lucida Bright Monospace WORA JDK jre/lib/fontproperties Serif JSTORM <20/35>

21 2 Issued by: < > Revision: <10> <2000/12/21> fontproperties = Serif Times New Roman Arial, Courier, Times Roman Lucida Arial Arial Bold, Arial Italic Arial Regular Arial java -Djavaawtfonts=[fonts directory] Type1( ) javaawtfonts jar API Class FontMetrix Class abstract (Abstract) GraphicsgetFontMetrics descend, ascend, leading, advance FontMetric (Rule) Class (Rule) JSTORM <21/35>

22 2 Issued by: < > Revision: <10> <2000/12/21> JDK (proportional) TexLayout LineBreakMeasurer TextLayout TextLayout TextLayout TextLayout LineBreakMeasurer LineBreakMeasurer (wrap) (break) LineBreakMeasurer FontRenderContext FontRenderContext (targeted device), TextLayout AttributedString This is a Bold attribute AttributedString, GraphicsdrawString() JSTORM <22/35>

23 2 Issued by: < > Revision: <10> <2000/12/21> Font normalfont = new Font ("serif", FontPLAIN, 12); Font boldfont = new Font ("serif", FontBOLD, 12); g2setfont (normalfont); g2drawstring ("This is a "); g2setfont (boldfont); g2drawstring ("bold "); g2setfont (normalfont); g2drawstring ("attribute", 72, 72);? Attributed String AttributedString String Attribute attribute AttributedString AttributedString attributedstring = new AttributedString ("This is a Bold attribute"); attributedstringaddattribute (TextAttributeWEIGHT, TextAttributeWEIGHT_BOLD, 11, 14); g2drawstring (attributestringgetiterator (), 72, 72); Bold addattribute() TextAttributeWEIGHT weight TextAttributeWEIGHT t WEIGHT_DEMIBOLD, WEIGHT_DEMILIGHT, WEIGHT_EXTRA_LIGHT, WEIGHT_EXTRABOLD, WEIGHT_HEAVY, WEIGHT_LIGHT, WEIGHT_MEDIUM, WEIGHT_REGULAR, WEIGHT_SEMIBOLD WEIGHT_ULTRABOLD, 5 Attribute dstring JSTORM <23/35>

24 2 Issued by: < > Revision: <10> <2000/12/21> TextLayout TextLayout Example4 TextLayout List 4 75 TextLayout /** 119 * Class: Document <p> 120 * 121 * (document) <p> 122 * 123 * 124 Jean-Pierre Dube <jpdube@videotronca> Printable 128 */ 129 private class Document implements Printable { /** 133 * Method: print <p> 134 * 135 g a value of type Graphics 136 pageformat a value of type PageFormat 137 page a value of type int 138 a value of type int 139 */ 140 public int print (Graphics g, PageFormat pageformat, int page) { //--- Graphics2D 144 Graphics2D g2d = (Graphics2D) g; // g2dtranslate (pageformatgetimageablex (), pageformatgetimageabley ()); //--- JSTORM <24/35>

25 2 Issued by: < > Revision: <10> <2000/12/21> 150 g2dsetpaint (Colorblack); // g2dsetstroke (new BasicStroke (4)); 154 Rectangle2DDouble border = new Rectangle2DDouble (0, 155 0, 156 pageformatgetimageablewidth (), 157 pageformatgetimageableheight ()); g2ddraw (border); // String text = new String (); 164 text += "Manipulating raw fonts would be too complicated to render paragraphs of "; 165 text += "text Trying to write an algorithm to fully justify text using "; 166 text += "proportional fonts is not trivial Adding support for international "; 167 text += "characters adds to the complexity That's why we will use the "; 168 text += "TextLayout and the LineBreakMeasurer class to "; 169 text += "render text The TextLayout class offers a lot of "; 170 text += "functionality to render high quality text This class is capable of "; 171 text += "rendering bidirectional text such as Japanese text where the alignment "; 172 text += "is from right to left instead of the North American style which is left "; 173 text += "to right The TextLayout class offers some additional "; 174 text += "functionalities that we will not use in the course of this "; 175 text += "series Features such as text input, caret positioning and hit "; 176 text += "testing will not be of much use when printing documents, but it's good "; 177 text += "to know that this functionality exists "; text += "The TextLayout class will be used to layout "; 180 text += "paragraphs The TextLayout class does not work alone To "; 181 text += "layout text within a specified width it needs the help of the "; 182 text += "LineBreakMeasurer class This class will wrap a string of "; 183 text += "text to fit a predefined width Since it's a multi-lingual class, it "; 184 text += "knows exactly where to break a line of text according to the rules "; 185 text += "of the language Then again the LineBreakMeasurer does "; 186 text += "not work alone It needs information from the "; JSTORM <25/35>

26 2 Issued by: < > Revision: <10> <2000/12/21> 187 text += "FontRenderContext class This class' main function is to "; 188 text += "return accurate font metrics To measure text effectively, this class "; 189 text += "needs to know the rendering hints for the targeted device and the font "; 190 text += "type being used "; //--- TextLayout point 194 Point2DDouble pen = new Point2DDouble (025 * POINTS_PER_INCH, 025 * POINTS_PER_INCH); //--- TextLayout 197 double width = 75 * POINTS_PER_INCH; //--- attributed string LineBreakMesurer 201 //--- Iterator attributed string 202 // 203 AttributedString paragraphtext = new AttributedString (text); // paragraphtextaddattribute (TextAttributeFONT, new Font ("serif", FontPLAIN, 12)); //--- LineBreakMeasurer TextLayout 209 //--- FontRendereContext 210 //--- 2 true 211 //--- usefractionalmetrics true 212 LineBreakMeasurer linebreaker = new LineBreakMeasurer (paragraphtextgetiterator(), 213 new FontRenderContext (null, true, true)); //--- TextLayout 216 TextLayout layout; //--- LineBreakMeasurer width 219 //--- TextLayout 220 while ((layout = linebreakernextlayout ((float) width))!= null) { //--- Y ascend font ascending 223 //--- (0, 0) 1 JSTORM <26/35>

27 2 Issued by: < > Revision: <10> <2000/12/21> 224 peny += layoutgetascent (); // layoutdraw (g2d, (float) penx, (float) peny); //--- y descent leading peny += layoutgetdescent () + layoutgetleading (); 232 } //--- page Validate 235 return (PAGE_EXISTS); 236 } 237 } } // Example4 4 AttributedString addattribute() AttributedString iterator FontRenderContext 2 LineBreakMeasurer LineBreakMeasurer TextLaout y=0 baseline descend leading 1 Listing 5 Example5 120 /** 121 * Class: Document <p> 122 * 123 * (document) 124 * 125 * <p> 126 * 127 * 128 Jean-Pierre Dube <jpdube@videotronca> JSTORM <27/35>

28 2 Issued by: < > Revision: <10> <2000/12/21> Printable 132 */ 133 private class Document implements Printable { /** 137 * Method: print <p> 138 * 139 g a value of type Graphics 140 pageformat a value of type PageFormat 141 page a value of type int 142 a value of type int 143 */ 144 public int print (Graphics g, PageFormat pageformat, int page) { //--- Graphics2D 148 Graphics2D g2d = (Graphics2D) g; //--- ( ) 0,0 151 g2dtranslate (pageformatgetimageablex (), pageformatgetimageabley ()); // g2dsetpaint (Colorblack); // g2dsetstroke (new BasicStroke (4)); 158 Rectangle2DDouble border = new Rectangle2DDouble (0, 159 0, 160 pageformatgetimageablewidth (), 161 pageformatgetimageableheight ()); g2ddraw (border); // String text = new String (); 168 text += "Manipulating raw fonts would be too complicated to render paragraphs of "; 169 text += "text Trying to write an algorithm to fully justify text using "; 170 text += "proportional fonts is not trivial Adding support for international JSTORM <28/35>

29 2 Issued by: < > Revision: <10> <2000/12/21> "; 171 text += "characters adds to the complexity That's why we will use the "; 172 text += "TextLayout and the LineBreakMeasurer class to "; 173 text += "render text The TextLayout class offers a lot of "; 174 text += "functionality to render high quality text This class is capable of "; 175 text += "rendering bidirectional text such as Japanese text where the alignment "; 176 text += "is from right to left instead of the North American style which is left "; 177 text += "to right The TextLayout class offers some additional "; 178 text += "functionalities that we will not use in the course of this "; 179 text += "series Features such as text input, caret positioning and hit "; 180 text += "testing will not be of much use when printing documents, but it's good "; 181 text += "to know that this functionality exists "; text += "The TextLayout class will be used to layout "; 184 text += "paragraphs The TextLayout class does not work alone To "; 185 text += "layout text within a specified width it needs the help of the "; 186 text += "LineBreakMeasurer class This class will wrap a string of "; 187 text += "text to fit a predefined width Since it's a multi-lingual class, it "; 188 text += "knows exactly where to break a line of text according to the rules "; 189 text += "of the language Then again the LineBreakMeasurer does "; 190 text += "not work alone It needs information from the "; 191 text += "FontRenderContext class This class' main function is to "; 192 text += "return accurate font metrics To measure text effectively, this class "; 193 text += "needs to know the rendering hints for the targeted device and the font "; 194 text += "type being used "; //--- TextLayout point 198 Point2DDouble pen = new Point2DDouble (025 * POINTS_PER_INCH, 025 * POINTS_PER_INCH); //--- TextLayout 201 double width = 8 * POINTS_PER_INCH; //--- attributed LineBreakMeasurer 205 //--- Iterator attributed string JSTORM <29/35>

30 2 Issued by: < > Revision: <10> <2000/12/21> 206 // AttributedString paragraphtext = new AttributedString (text); // paragraphtextaddattribute (TextAttributeFONT, new Font ("serif", FontPLAIN, 12)); //--- TextLayout text LineBreakMeasurer 213 //--- FontContext 214 //--- true antialised //--- usefractionalmetrics true 216 LineBreakMeasurer linebreaker = new LineBreakMeasurer (paragraphtextgetiterator(), 217 new FontRenderContext (null, true, true)); //--- TextLayouts 220 TextLayout layout; 221 TextLayout justifylayout; //--- Vector 224 Vector lines = new Vector (); //--- LineBreakMeasurer Vector 227 while ((layout = linebreakernextlayout ((float) width))!= null) { 228 linesadd (layout); } // for (int i = 0; i < linessize (); i++) { // layout = (TextLayout) linesget (i); // // if (i!= linessize () - 1) 241 justifylayout = layoutgetjustifiedlayout ((float) width); 242 else 243 justifylayout = layout; //--- Y ascend ascend (0,0) 246 //--- 1 JSTORM <30/35>

31 2 Issued by: < > Revision: <10> <2000/12/21> 247 peny += justifylayoutgetascent (); // justifylayoutdraw (g2d, (float) penx, (float) peny); //--- descend leading 253 // peny += justifylayoutgetdescent () + justifylayoutgetleading (); } //--- validation 259 return (PAGE_EXISTS); 260 } 261 } } // Example TextLayout LineBreakMeasurer Vector for getj ustifiedlayout() Image Graphics2DdrawImage() /** 121 * Class: Document <p> 122 * 123 * 124 * <p> JSTORM <31/35>

32 2 Issued by: < > Revision: <10> <2000/12/21> 125 * 126 * 127 Jean-Pierre Dube <jpdube@videotronca> Printable 131 */ 132 private class Document extends Component implements Printable { /** 136 * Method: print <p> 137 * 138 g a value of type Graphics 139 pageformat a value of type PageFormat 140 page a value of type int 141 a value of type int 142 */ 143 public int print (Graphics g, PageFormat pageformat, int page) { //--- Graphics2D 147 Graphics2D g2d = (Graphics2D) g; //--- ( ) (0,0) 150 g2dtranslate (pageformatgetimageablex (), pageformatgetimageabley ()); // g2dsetpaint (Colorblack); // g2dsetstroke (new BasicStroke (4)); 157 Rectangle2DDouble border = new Rectangle2DDouble (0, 158 0, 159 pageformatgetimageablewidth (), 160 pageformatgetimageableheight ()); g2ddraw (border); //--- Media Tracker URL 166 MediaTracker mt = new MediaTracker (this); JSTORM <32/35>

33 2 Issued by: < > Revision: <10> <2000/12/21> 167 URL imageurl = null; //--- URL 170 //--- NOTE: 171 //--- NOTE: JPEG, GIF, PNG imageurl = new URL ("file:///c:/softdev/java/articles/javaworld/printing/part_2/ss2jpg"); 175 } 176 catch (MalformedURLException me) { 177 meprintstacktrace (); 178 } // Image image = ToolkitgetDefaultToolkit()getImage (imageurl); 182 mtaddimage (image, 0); 183 try { 184 mtwaitforid (0); 185 } 186 catch (InterruptedException e) { 187 } // g2ddrawimage (image, 191 (int) (025 * POINTS_PER_INCH), 192 (int) (025 * POINTS_PER_INCH), 193 (int) (85 * POINTS_PER_INCH), 194 (int) (6 * POINTS_PER_INCH), 195 this); //--- Validate 198 return (PAGE_EXISTS); 199 } 200 } } // Example6 3 URL MediaTracker GIF, JPEG PNG Advance Imaging API Graphics2D drawimage() JSTORM <33/35>

34 2 Issued by: < > Revision: <10> <2000/12/21> drawimage() 6 Image ImageObserver Document Component Component ImageObserver 3 JavaSoft Advanced Imaging API WORA OS SuSe Linux 64 Sun Java 13 Windows 2000 HP 5L OS, Windows Linux SuSe APS HP 5L 600 dpi 300 dpi 600 dpi Linux, 6 7 JSTORM <34/35>

35 2 Issued by: < > Revision: <10> <2000/12/21> OS X Max OS 2 API (?) API,,, API 3 3 ~ JSTORM <35/35>