318 double sy; // Y scale from region to device resolution
319 }
320
321 /**
322 * Service for this job
323 */
324 protected PrintService myService;
325
326 /* Constructors */
327
328 public RasterPrinterJob()
329 {
330 }
331
332 /* Abstract Methods */
333
334 /**
335 * Returns the resolution in dots per inch across the width
336 * of the page.
337 */
338 abstract protected double getXRes();
339
340 /**
341 * Returns the resolution in dots per inch down the height
342 * of the page.
343 */
344 abstract protected double getYRes();
345
346 /**
347 * Must be obtained from the current printer.
348 * Value is in device pixels.
349 * Not adjusted for orientation of the paper.
350 */
351 abstract protected double getPhysicalPrintableX(Paper p);
352
353 /**
354 * Must be obtained from the current printer.
355 * Value is in device pixels.
356 * Not adjusted for orientation of the paper.
357 */
358 abstract protected double getPhysicalPrintableY(Paper p);
359
360 /**
361 * Must be obtained from the current printer.
362 * Value is in device pixels.
363 * Not adjusted for orientation of the paper.
364 */
365 abstract protected double getPhysicalPrintableWidth(Paper p);
366
367 /**
368 * Must be obtained from the current printer.
369 * Value is in device pixels.
370 * Not adjusted for orientation of the paper.
371 */
372 abstract protected double getPhysicalPrintableHeight(Paper p);
373
374 /**
375 * Must be obtained from the current printer.
376 * Value is in device pixels.
377 * Not adjusted for orientation of the paper.
378 */
379 abstract protected double getPhysicalPageWidth(Paper p);
380
381 /**
382 * Must be obtained from the current printer.
383 * Value is in device pixels.
384 * Not adjusted for orientation of the paper.
385 */
386 abstract protected double getPhysicalPageHeight(Paper p);
387
388 /**
389 * Begin a new page.
390 */
391 abstract protected void startPage(PageFormat format, Printable painter,
392 int index, boolean paperChanged)
393 throws PrinterException;
394
395 /**
396 * End a page.
397 */
398 abstract protected void endPage(PageFormat format, Printable painter,
399 int index)
400 throws PrinterException;
401
402 /**
403 * Prints the contents of the array of ints, 'data'
404 * to the current page. The band is placed at the
405 * location (x, y) in device coordinates on the
406 * page. The width and height of the band is
407 * specified by the caller.
408 */
409 abstract protected void printBand(byte[] data, int x, int y,
410 int width, int height)
411 throws PrinterException;
412
413 /* Instance Methods */
414
415 /**
416 * save graphics state of a PathGraphics for later redrawing
417 * of part of page represented by the region in that state
418 */
419
420 public void saveState(AffineTransform at, Shape clip,
421 Rectangle2D region, double sx, double sy) {
422 GraphicsState gstate = new GraphicsState();
423 gstate.theTransform = at;
424 gstate.theClip = clip;
425 gstate.region = region;
426 gstate.sx = sx;
427 gstate.sy = sy;
428 redrawList.add(gstate);
429 }
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318 double sy; // Y scale from region to device resolution
319 }
320
321 /**
322 * Service for this job
323 */
324 protected PrintService myService;
325
326 /* Constructors */
327
328 public RasterPrinterJob()
329 {
330 }
331
332 /* Abstract Methods */
333
334 /**
335 * Returns the resolution in dots per inch across the width
336 * of the page.
337 */
338 protected abstract double getXRes();
339
340 /**
341 * Returns the resolution in dots per inch down the height
342 * of the page.
343 */
344 protected abstract double getYRes();
345
346 /**
347 * Must be obtained from the current printer.
348 * Value is in device pixels.
349 * Not adjusted for orientation of the paper.
350 */
351 protected abstract double getPhysicalPrintableX(Paper p);
352
353 /**
354 * Must be obtained from the current printer.
355 * Value is in device pixels.
356 * Not adjusted for orientation of the paper.
357 */
358 protected abstract double getPhysicalPrintableY(Paper p);
359
360 /**
361 * Must be obtained from the current printer.
362 * Value is in device pixels.
363 * Not adjusted for orientation of the paper.
364 */
365 protected abstract double getPhysicalPrintableWidth(Paper p);
366
367 /**
368 * Must be obtained from the current printer.
369 * Value is in device pixels.
370 * Not adjusted for orientation of the paper.
371 */
372 protected abstract double getPhysicalPrintableHeight(Paper p);
373
374 /**
375 * Must be obtained from the current printer.
376 * Value is in device pixels.
377 * Not adjusted for orientation of the paper.
378 */
379 protected abstract double getPhysicalPageWidth(Paper p);
380
381 /**
382 * Must be obtained from the current printer.
383 * Value is in device pixels.
384 * Not adjusted for orientation of the paper.
385 */
386 protected abstract double getPhysicalPageHeight(Paper p);
387
388 /**
389 * Begin a new page.
390 */
391 protected abstract void startPage(PageFormat format, Printable painter,
392 int index, boolean paperChanged)
393 throws PrinterException;
394
395 /**
396 * End a page.
397 */
398 protected abstract void endPage(PageFormat format, Printable painter,
399 int index)
400 throws PrinterException;
401
402 /**
403 * Prints the contents of the array of ints, 'data'
404 * to the current page. The band is placed at the
405 * location (x, y) in device coordinates on the
406 * page. The width and height of the band is
407 * specified by the caller.
408 */
409 protected abstract void printBand(byte[] data, int x, int y,
410 int width, int height)
411 throws PrinterException;
412
413 /* Instance Methods */
414
415 /**
416 * save graphics state of a PathGraphics for later redrawing
417 * of part of page represented by the region in that state
418 */
419
420 public void saveState(AffineTransform at, Shape clip,
421 Rectangle2D region, double sx, double sy) {
422 GraphicsState gstate = new GraphicsState();
423 gstate.theTransform = at;
424 gstate.theClip = clip;
425 gstate.region = region;
426 gstate.sx = sx;
427 gstate.sy = sy;
428 redrawList.add(gstate);
429 }
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