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| 1 /* | 1 /* |
| 2 * Copyright (C) 2007 Alp Toker <alp@atoker.com> | 2 * Copyright (C) 2007 Alp Toker <alp@atoker.com> |
| 3 * Copyright (C) 2007 Apple Inc. | 3 * Copyright (C) 2007 Apple Inc. |
| 4 * | 4 * |
| 5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
| 6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
| 7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
| 8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
| 9 * | 9 * |
| 10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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| 164 // This function can be called multiple times to adjust printing parameters
without going back to screen mode. | 164 // This function can be called multiple times to adjust printing parameters
without going back to screen mode. |
| 165 m_isPrinting = true; | 165 m_isPrinting = true; |
| 166 | 166 |
| 167 FloatSize originalPageSize = FloatSize(width, height); | 167 FloatSize originalPageSize = FloatSize(width, height); |
| 168 FloatSize minLayoutSize = m_frame->resizePageRectsKeepingRatio(originalPageS
ize, FloatSize(width * printingMinimumShrinkFactor, height * printingMinimumShri
nkFactor)); | 168 FloatSize minLayoutSize = m_frame->resizePageRectsKeepingRatio(originalPageS
ize, FloatSize(width * printingMinimumShrinkFactor, height * printingMinimumShri
nkFactor)); |
| 169 | 169 |
| 170 // This changes layout, so callers need to make sure that they don't paint t
o screen while in printing mode. | 170 // This changes layout, so callers need to make sure that they don't paint t
o screen while in printing mode. |
| 171 m_frame->setPrinting(true, minLayoutSize, originalPageSize, printingMaximumS
hrinkFactor / printingMinimumShrinkFactor); | 171 m_frame->setPrinting(true, minLayoutSize, originalPageSize, printingMaximumS
hrinkFactor / printingMinimumShrinkFactor); |
| 172 } | 172 } |
| 173 | 173 |
| 174 void PrintContext::spoolPage(GraphicsContext& ctx, int pageNumber, float width) | |
| 175 { | |
| 176 // FIXME: Not correct for vertical text. | |
| 177 IntRect pageRect = m_pageRects[pageNumber]; | |
| 178 float scale = width / pageRect.width(); | |
| 179 | |
| 180 ctx.save(); | |
| 181 ctx.scale(scale, scale); | |
| 182 ctx.translate(-pageRect.x(), -pageRect.y()); | |
| 183 ctx.clip(pageRect); | |
| 184 m_frame->view()->paintContents(&ctx, pageRect); | |
| 185 if (ctx.supportsURLFragments()) | |
| 186 outputLinkedDestinations(ctx, m_frame->document(), pageRect); | |
| 187 ctx.restore(); | |
| 188 } | |
| 189 | |
| 190 void PrintContext::end() | 174 void PrintContext::end() |
| 191 { | 175 { |
| 192 ASSERT(m_isPrinting); | 176 ASSERT(m_isPrinting); |
| 193 m_isPrinting = false; | 177 m_isPrinting = false; |
| 194 m_frame->setPrinting(false, FloatSize(), FloatSize(), 0); | 178 m_frame->setPrinting(false, FloatSize(), FloatSize(), 0); |
| 195 m_linkedDestinations.clear(); | 179 m_linkedDestinations.clear(); |
| 196 m_linkedDestinationsValid = false; | 180 m_linkedDestinationsValid = false; |
| 197 } | 181 } |
| 198 | 182 |
| 199 static RenderBoxModelObject* enclosingBoxModelObject(RenderObject* object) | 183 static RenderBoxModelObject* enclosingBoxModelObject(RenderObject* object) |
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| 324 FloatRect pageRect(FloatPoint(0, 0), pageSizeInPixels); | 308 FloatRect pageRect(FloatPoint(0, 0), pageSizeInPixels); |
| 325 PrintContext printContext(frame); | 309 PrintContext printContext(frame); |
| 326 printContext.begin(pageRect.width(), pageRect.height()); | 310 printContext.begin(pageRect.width(), pageRect.height()); |
| 327 // Account for shrink-to-fit. | 311 // Account for shrink-to-fit. |
| 328 FloatSize scaledPageSize = pageSizeInPixels; | 312 FloatSize scaledPageSize = pageSizeInPixels; |
| 329 scaledPageSize.scale(frame->view()->contentsSize().width() / pageRect.width(
)); | 313 scaledPageSize.scale(frame->view()->contentsSize().width() / pageRect.width(
)); |
| 330 printContext.computePageRectsWithPageSize(scaledPageSize, false); | 314 printContext.computePageRectsWithPageSize(scaledPageSize, false); |
| 331 return printContext.pageCount(); | 315 return printContext.pageCount(); |
| 332 } | 316 } |
| 333 | 317 |
| 334 void PrintContext::spoolAllPagesWithBoundaries(LocalFrame* frame, GraphicsContex
t& graphicsContext, const FloatSize& pageSizeInPixels) | |
| 335 { | |
| 336 if (!frame->document() || !frame->view() || !frame->document()->renderView()
) | |
| 337 return; | |
| 338 | |
| 339 frame->document()->updateLayout(); | |
| 340 | |
| 341 PrintContext printContext(frame); | |
| 342 printContext.begin(pageSizeInPixels.width(), pageSizeInPixels.height()); | |
| 343 | |
| 344 float pageHeight; | |
| 345 printContext.computePageRects(FloatRect(FloatPoint(0, 0), pageSizeInPixels),
0, 0, 1, pageHeight); | |
| 346 | |
| 347 const float pageWidth = pageSizeInPixels.width(); | |
| 348 const Vector<IntRect>& pageRects = printContext.pageRects(); | |
| 349 int totalHeight = pageRects.size() * (pageSizeInPixels.height() + 1) - 1; | |
| 350 | |
| 351 // Fill the whole background by white. | |
| 352 graphicsContext.setFillColor(Color(255, 255, 255)); | |
| 353 graphicsContext.fillRect(FloatRect(0, 0, pageWidth, totalHeight)); | |
| 354 | |
| 355 graphicsContext.save(); | |
| 356 graphicsContext.translate(0, totalHeight); | |
| 357 graphicsContext.scale(1, -1); | |
| 358 | |
| 359 int currentHeight = 0; | |
| 360 for (size_t pageIndex = 0; pageIndex < pageRects.size(); pageIndex++) { | |
| 361 // Draw a line for a page boundary if this isn't the first page. | |
| 362 if (pageIndex > 0) { | |
| 363 graphicsContext.save(); | |
| 364 graphicsContext.setStrokeColor(Color(0, 0, 255)); | |
| 365 graphicsContext.setFillColor(Color(0, 0, 255)); | |
| 366 graphicsContext.drawLine(IntPoint(0, currentHeight), | |
| 367 IntPoint(pageWidth, currentHeight)); | |
| 368 graphicsContext.restore(); | |
| 369 } | |
| 370 | |
| 371 graphicsContext.save(); | |
| 372 graphicsContext.translate(0, currentHeight); | |
| 373 printContext.spoolPage(graphicsContext, pageIndex, pageWidth); | |
| 374 graphicsContext.restore(); | |
| 375 | |
| 376 currentHeight += pageSizeInPixels.height() + 1; | |
| 377 } | |
| 378 | |
| 379 graphicsContext.restore(); | |
| 380 } | |
| 381 | |
| 382 void PrintContext::trace(Visitor* visitor) | 318 void PrintContext::trace(Visitor* visitor) |
| 383 { | 319 { |
| 384 #if ENABLE(OILPAN) | 320 #if ENABLE(OILPAN) |
| 385 visitor->trace(m_linkedDestinations); | 321 visitor->trace(m_linkedDestinations); |
| 386 #endif | 322 #endif |
| 387 } | 323 } |
| 388 | 324 |
| 389 } | 325 } |
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