diff options
Diffstat (limited to 'Source/WebKit2/WebProcess/WebPage/gtk/WebPrintOperationGtk.cpp')
| -rw-r--r-- | Source/WebKit2/WebProcess/WebPage/gtk/WebPrintOperationGtk.cpp | 712 |
1 files changed, 0 insertions, 712 deletions
diff --git a/Source/WebKit2/WebProcess/WebPage/gtk/WebPrintOperationGtk.cpp b/Source/WebKit2/WebProcess/WebPage/gtk/WebPrintOperationGtk.cpp deleted file mode 100644 index 0f07d74bc..000000000 --- a/Source/WebKit2/WebProcess/WebPage/gtk/WebPrintOperationGtk.cpp +++ /dev/null @@ -1,712 +0,0 @@ -/* - * Copyright (C) 2012 Igalia S.L. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "WebPrintOperationGtk.h" - -#include "WebCoreArgumentCoders.h" -#include "WebPage.h" -#include "WebPageProxyMessages.h" -#include <WebCore/ErrorsGtk.h> -#include <WebCore/IntRect.h> -#include <WebCore/NotImplemented.h> -#include <WebCore/PlatformContextCairo.h> -#include <WebCore/PrintContext.h> -#include <WebCore/ResourceError.h> -#include <gtk/gtk.h> -#include <wtf/Vector.h> -#include <wtf/gobject/GOwnPtr.h> - -#ifdef HAVE_GTK_UNIX_PRINTING -#include <cairo-pdf.h> -#include <cairo-ps.h> -#include <gtk/gtkunixprint.h> -#endif - -namespace WebKit { - -#ifdef HAVE_GTK_UNIX_PRINTING -class WebPrintOperationGtkUnix: public WebPrintOperationGtk { -public: - WebPrintOperationGtkUnix(WebPage* page, const PrintInfo& printInfo) - : WebPrintOperationGtk(page, printInfo) - , m_printJob(0) - { - } - - static gboolean enumeratePrintersFunction(GtkPrinter* printer, WebPrintOperationGtkUnix* printOperation) - { - const char* printerName = gtk_print_settings_get_printer(printOperation->printSettings()); - if ((printerName && strcmp(printerName, gtk_printer_get_name(printer))) - || (!printerName && !gtk_printer_is_default(printer))) - return FALSE; - - static int jobNumber = 0; - const char* applicationName = g_get_application_name(); - GOwnPtr<char>jobName(g_strdup_printf("%s job #%d", applicationName ? applicationName : "WebKit", ++jobNumber)); - printOperation->m_printJob = adoptGRef(gtk_print_job_new(jobName.get(), printer, - printOperation->printSettings(), - printOperation->pageSetup())); - return TRUE; - } - - static void enumeratePrintersFinished(WebPrintOperationGtkUnix* printOperation) - { - if (!printOperation->m_printJob) { - printOperation->printDone(printerNotFoundError(printOperation->m_printContext)); - return; - } - - GOwnPtr<GError> error; - cairo_surface_t* surface = gtk_print_job_get_surface(printOperation->m_printJob.get(), &error.outPtr()); - if (!surface) { - printOperation->printDone(printError(printOperation->m_printContext, error->message)); - return; - } - - int rangesCount; - printOperation->m_pageRanges = gtk_print_job_get_page_ranges(printOperation->m_printJob.get(), &rangesCount); - printOperation->m_pageRangesCount = rangesCount; - printOperation->m_pagesToPrint = gtk_print_job_get_pages(printOperation->m_printJob.get()); - printOperation->m_needsRotation = gtk_print_job_get_rotate(printOperation->m_printJob.get()); - - // Manual capabilities. - printOperation->m_numberUp = gtk_print_job_get_n_up(printOperation->m_printJob.get()); - printOperation->m_numberUpLayout = gtk_print_job_get_n_up_layout(printOperation->m_printJob.get()); - printOperation->m_pageSet = gtk_print_job_get_page_set(printOperation->m_printJob.get()); - printOperation->m_reverse = gtk_print_job_get_reverse(printOperation->m_printJob.get()); - printOperation->m_copies = gtk_print_job_get_num_copies(printOperation->m_printJob.get()); - printOperation->m_collateCopies = gtk_print_job_get_collate(printOperation->m_printJob.get()); - printOperation->m_scale = gtk_print_job_get_scale(printOperation->m_printJob.get()); - - printOperation->print(surface, 72, 72); - } - - void startPrint(WebCore::PrintContext* printContext, uint64_t callbackID) - { - m_printContext = printContext; - m_callbackID = callbackID; - gtk_enumerate_printers(reinterpret_cast<GtkPrinterFunc>(enumeratePrintersFunction), this, - reinterpret_cast<GDestroyNotify>(enumeratePrintersFinished), FALSE); - } - - void startPage(cairo_t* cr) - { - if (!currentPageIsFirstPageOfSheet()) - return; - - GtkPaperSize* paperSize = gtk_page_setup_get_paper_size(m_pageSetup.get()); - double width = gtk_paper_size_get_width(paperSize, GTK_UNIT_POINTS); - double height = gtk_paper_size_get_height(paperSize, GTK_UNIT_POINTS); - - cairo_surface_t* surface = gtk_print_job_get_surface(m_printJob.get(), 0); - cairo_surface_type_t surfaceType = cairo_surface_get_type(surface); - if (surfaceType == CAIRO_SURFACE_TYPE_PS) { - cairo_ps_surface_set_size(surface, width, height); - cairo_ps_surface_dsc_begin_page_setup(surface); - - switch (gtk_page_setup_get_orientation(m_pageSetup.get())) { - case GTK_PAGE_ORIENTATION_PORTRAIT: - case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT: - cairo_ps_surface_dsc_comment(surface, "%%PageOrientation: Portrait"); - break; - case GTK_PAGE_ORIENTATION_LANDSCAPE: - case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE: - cairo_ps_surface_dsc_comment(surface, "%%PageOrientation: Landscape"); - break; - } - } else if (surfaceType == CAIRO_SURFACE_TYPE_PDF) - cairo_pdf_surface_set_size(surface, width, height); - } - - void endPage(cairo_t* cr) - { - if (currentPageIsLastPageOfSheet()) - cairo_show_page(cr); - } - - static void printJobComplete(GtkPrintJob* printJob, WebPrintOperationGtkUnix* printOperation, const GError* error) - { - printOperation->printDone(error ? printError(printOperation->m_printContext, error->message) : WebCore::ResourceError()); - printOperation->m_printJob = 0; - } - - static void printJobFinished(WebPrintOperationGtkUnix* printOperation) - { - printOperation->deref(); - } - - void endPrint() - { - cairo_surface_finish(gtk_print_job_get_surface(m_printJob.get(), 0)); - // Make sure the operation is alive until the job is sent. - ref(); - gtk_print_job_send(m_printJob.get(), reinterpret_cast<GtkPrintJobCompleteFunc>(printJobComplete), this, - reinterpret_cast<GDestroyNotify>(printJobFinished)); - } - - GRefPtr<GtkPrintJob> m_printJob; -}; -#endif - -#ifdef G_OS_WIN32 -class WebPrintOperationGtkWin32: public WebPrintOperationGtk { -public: - WebPrintOperationGtkWin32(WebPage* page, const PrintInfo& printInfo) - : WebPrintOperationGtk(page, printInfo) - { - } - - void startPrint(WebCore::PrintContext* printContext, uint64_t callbackID) - { - m_printContext = printContext; - m_callbackID = callbackID; - notImplemented(); - } - - void startPage(cairo_t* cr) - { - notImplemented(); - } - - void endPage(cairo_t* cr) - { - notImplemented(); - } - - void endPrint() - { - notImplemented(); - } -}; -#endif - -struct PrintPagesData { - PrintPagesData(WebPrintOperationGtk* printOperation) - : printOperation(printOperation) - , totalPrinted(-1) - , pageNumber(0) - , sheetNumber(0) - , firstSheetNumber(0) - , numberOfSheets(0) - , firstPagePosition(0) - , collated(0) - , uncollated(0) - , isDone(false) - , isValid(true) - { - if (printOperation->collateCopies()) { - collatedCopies = printOperation->copies(); - uncollatedCopies = 1; - } else { - collatedCopies = 1; - uncollatedCopies = printOperation->copies(); - } - - if (printOperation->pagesToPrint() == GTK_PRINT_PAGES_RANGES) { - Vector<GtkPageRange> pageRanges; - GtkPageRange* ranges = printOperation->pageRanges(); - size_t rangesCount = printOperation->pageRangesCount(); - int pageCount = printOperation->pageCount(); - - pageRanges.reserveCapacity(rangesCount); - for (size_t i = 0; i < rangesCount; ++i) { - if (ranges[i].start >= 0 && ranges[i].start < pageCount && ranges[i].end >= 0 && ranges[i].end < pageCount) - pageRanges.append(ranges[i]); - else if (ranges[i].start >= 0 && ranges[i].start < pageCount && ranges[i].end >= pageCount) { - pageRanges.append(ranges[i]); - pageRanges.last().end = pageCount - 1; - } else if (ranges[i].end >= 0 && ranges[i].end < pageCount && ranges[i].start < 0) { - pageRanges.append(ranges[i]); - pageRanges.last().start = 0; - } - } - - for (size_t i = 0; i < pageRanges.size(); ++i) { - for (int j = pageRanges[i].start; j <= pageRanges[i].end; ++j) - pages.append(j); - } - - } else { - for (int i = 0; i < printOperation->pageCount(); ++i) - pages.append(i); - } - - if (!pages.size()) { - isValid = false; - return; - } - printOperation->setNumberOfPagesToPrint(pages.size()); - - size_t numberUp = printOperation->numberUp(); - if (numberUp > 1) - numberOfSheets = (pages.size() % numberUp) ? pages.size() / numberUp + 1 : pages.size() / numberUp; - else - numberOfSheets = pages.size(); - - bool reverse = printOperation->reverse(); - switch (printOperation->pageSet()) { - case GTK_PAGE_SET_ODD: - if (reverse) { - lastPagePosition = std::min(numberUp - 1, pages.size() - 1); - sheetNumber = (numberOfSheets - 1) - (numberOfSheets - 1) % 2; - } else - lastPagePosition = std::min(((numberOfSheets - 1) - ((numberOfSheets - 1) % 2)) * numberUp - 1, pages.size() - 1); - break; - case GTK_PAGE_SET_EVEN: - if (reverse) { - lastPagePosition = std::min(2 * numberUp - 1, pages.size() - 1); - sheetNumber = (numberOfSheets - 1) - (1 - (numberOfSheets - 1) % 2); - } else { - lastPagePosition = std::min(((numberOfSheets - 1) - (1 - (numberOfSheets - 1) % 2)) * numberUp - 1, pages.size() - 1); - sheetNumber = numberOfSheets > 1 ? 1 : -1; - } - break; - case GTK_PAGE_SET_ALL: - if (reverse) { - lastPagePosition = std::min(numberUp - 1, pages.size() - 1); - sheetNumber = pages.size() - 1; - } else - lastPagePosition = pages.size() - 1; - break; - } - - if (sheetNumber * numberUp >= pages.size()) { - isValid = false; - return; - } - - printOperation->setPagePosition(sheetNumber * numberUp); - pageNumber = pages[printOperation->pagePosition()]; - firstPagePosition = printOperation->pagePosition(); - firstSheetNumber = sheetNumber; - } - - size_t collatedCopiesLeft() - { - return collatedCopies > 1 ? collatedCopies - collated - 1 : 0; - } - - size_t uncollatedCopiesLeft() - { - return uncollatedCopies > 1 ? uncollatedCopies - uncollated - 1 : 0; - } - - size_t copiesLeft() - { - return collatedCopiesLeft() + uncollatedCopiesLeft(); - } - - void incrementPageSequence() - { - if (totalPrinted == -1) { - totalPrinted = 0; - return; - } - - size_t pagePosition = printOperation->pagePosition(); - if (pagePosition == lastPagePosition && !copiesLeft()) { - isDone = true; - return; - } - - if (pagePosition == lastPagePosition && uncollatedCopiesLeft()) { - pagePosition = firstPagePosition; - sheetNumber = firstSheetNumber; - uncollated++; - } else if (printOperation->currentPageIsLastPageOfSheet()) { - if (!collatedCopiesLeft()) { - int step = printOperation->pageSet() == GTK_PAGE_SET_ALL ? 1 : 2; - step *= printOperation->reverse() ? -1 : 1; - sheetNumber += step; - collated = 0; - } else - collated++; - pagePosition = sheetNumber * printOperation->numberUp(); - } else - pagePosition++; - printOperation->setPagePosition(pagePosition); - - if (pagePosition >= pages.size() || sheetNumber >= numberOfSheets) { - isDone = true; - return; - } - pageNumber = pages[pagePosition]; - totalPrinted++; - } - - RefPtr<WebPrintOperationGtk> printOperation; - - int totalPrinted; - size_t totalToPrint; - int pageNumber; - Vector<size_t> pages; - size_t sheetNumber; - size_t firstSheetNumber; - size_t numberOfSheets; - size_t firstPagePosition; - size_t lastPagePosition; - size_t collated; - size_t uncollated; - size_t collatedCopies; - size_t uncollatedCopies; - - bool isDone : 1; - bool isValid : 1; -}; - -PassRefPtr<WebPrintOperationGtk> WebPrintOperationGtk::create(WebPage* page, const PrintInfo& printInfo) -{ -#ifdef HAVE_GTK_UNIX_PRINTING - return adoptRef(new WebPrintOperationGtkUnix(page, printInfo)); -#elif defined(G_OS_WIN32) - return adoptRef(new WebPrintOperationGtkWin32(page, printInfo)); -#else - return 0; -#endif -} - -WebPrintOperationGtk::WebPrintOperationGtk(WebPage* page, const PrintInfo& printInfo) - : m_webPage(page) - , m_printSettings(printInfo.printSettings.get()) - , m_pageSetup(printInfo.pageSetup.get()) - , m_printContext(0) - , m_callbackID(0) - , m_xDPI(1) - , m_yDPI(1) - , m_printPagesIdleId(0) - , m_numberOfPagesToPrint(0) - , m_pagesToPrint(GTK_PRINT_PAGES_ALL) - , m_pagePosition(0) - , m_pageRanges(0) - , m_pageRangesCount(0) - , m_needsRotation(false) - , m_numberUp(1) - , m_numberUpLayout(0) - , m_pageSet(GTK_PAGE_SET_ALL) - , m_reverse(false) - , m_copies(1) - , m_collateCopies(false) - , m_scale(1) -{ -} - -WebPrintOperationGtk::~WebPrintOperationGtk() -{ - if (m_printPagesIdleId) - g_source_remove(m_printPagesIdleId); -} - -int WebPrintOperationGtk::pageCount() const -{ - return m_printContext ? m_printContext->pageCount() : 0; -} - -bool WebPrintOperationGtk::currentPageIsFirstPageOfSheet() const -{ - return (m_numberUp < 2 || !((m_pagePosition) % m_numberUp)); -} - -bool WebPrintOperationGtk::currentPageIsLastPageOfSheet() const -{ - return (m_numberUp < 2 || !((m_pagePosition + 1) % m_numberUp) || m_pagePosition == m_numberOfPagesToPrint - 1); -} - -void WebPrintOperationGtk::rotatePageIfNeeded() -{ - if (!m_needsRotation) - return; - - GtkPaperSize* paperSize = gtk_page_setup_get_paper_size(m_pageSetup.get()); - double width = gtk_paper_size_get_width(paperSize, GTK_UNIT_INCH) * m_xDPI; - double height = gtk_paper_size_get_height(paperSize, GTK_UNIT_INCH) * m_yDPI; - - cairo_matrix_t matrix; - switch (gtk_page_setup_get_orientation(m_pageSetup.get())) { - case GTK_PAGE_ORIENTATION_LANDSCAPE: - cairo_translate(m_cairoContext.get(), 0, height); - cairo_matrix_init(&matrix, 0, -1, 1, 0, 0, 0); - cairo_transform(m_cairoContext.get(), &matrix); - break; - case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT: - cairo_translate(m_cairoContext.get(), width, height); - cairo_matrix_init(&matrix, -1, 0, 0, -1, 0, 0); - cairo_transform(m_cairoContext.get(), &matrix); - break; - case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE: - cairo_translate(m_cairoContext.get(), width, 0); - cairo_matrix_init(&matrix, 0, 1, -1, 0, 0, 0); - cairo_transform(m_cairoContext.get(), &matrix); - break; - case GTK_PAGE_ORIENTATION_PORTRAIT: - default: - break; - } -} - -void WebPrintOperationGtk::getRowsAndColumnsOfPagesPerSheet(size_t& rows, size_t& columns) -{ - switch (m_numberUp) { - default: - columns = 1; - rows = 1; - break; - case 2: - columns = 2; - rows = 1; - break; - case 4: - columns = 2; - rows = 2; - break; - case 6: - columns = 3; - rows = 2; - break; - case 9: - columns = 3; - rows = 3; - break; - case 16: - columns = 4; - rows = 4; - break; - } -} - -void WebPrintOperationGtk::getPositionOfPageInSheet(size_t rows, size_t columns, int& x, int&y) -{ - switch (m_numberUpLayout) { - case GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM: - x = m_pagePosition % columns; - y = (m_pagePosition / columns) % rows; - break; - case GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP: - x = m_pagePosition % columns; - y = rows - 1 - (m_pagePosition / columns) % rows; - break; - case GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM: - x = columns - 1 - m_pagePosition % columns; - y = (m_pagePosition / columns) % rows; - break; - case GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP: - x = columns - 1 - m_pagePosition % columns; - y = rows - 1 - (m_pagePosition / columns) % rows; - break; - case GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_LEFT_TO_RIGHT: - x = (m_pagePosition / rows) % columns; - y = m_pagePosition % rows; - break; - case GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_RIGHT_TO_LEFT: - x = columns - 1 - (m_pagePosition / rows) % columns; - y = m_pagePosition % rows; - break; - case GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_LEFT_TO_RIGHT: - x = (m_pagePosition / rows) % columns; - y = rows - 1 - m_pagePosition % rows; - break; - case GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_RIGHT_TO_LEFT: - x = columns - 1 - (m_pagePosition / rows) % columns; - y = rows - 1 - m_pagePosition % rows; - break; - } -} - -void WebPrintOperationGtk::prepareContextToDraw() -{ - if (m_numberUp < 2) { - double left = gtk_page_setup_get_left_margin(m_pageSetup.get(), GTK_UNIT_INCH); - double top = gtk_page_setup_get_top_margin(m_pageSetup.get(), GTK_UNIT_INCH); - if (m_scale != 1.0) - cairo_scale(m_cairoContext.get(), m_scale, m_scale); - rotatePageIfNeeded(); - cairo_translate(m_cairoContext.get(), left * m_xDPI, top * m_yDPI); - - return; - } - - rotatePageIfNeeded(); - - // Multiple pages per sheet. - double marginLeft = gtk_page_setup_get_left_margin(m_pageSetup.get(), GTK_UNIT_POINTS); - double marginRight = gtk_page_setup_get_right_margin(m_pageSetup.get(), GTK_UNIT_POINTS); - double marginTop = gtk_page_setup_get_top_margin(m_pageSetup.get(), GTK_UNIT_POINTS); - double marginBottom = gtk_page_setup_get_bottom_margin(m_pageSetup.get(), GTK_UNIT_POINTS); - - double paperWidth = gtk_page_setup_get_paper_width(m_pageSetup.get(), GTK_UNIT_POINTS); - double paperHeight = gtk_page_setup_get_paper_height(m_pageSetup.get(), GTK_UNIT_POINTS); - - size_t rows, columns; - getRowsAndColumnsOfPagesPerSheet(rows, columns); - - GtkPageOrientation orientation = gtk_page_setup_get_orientation(m_pageSetup.get()); - double pageWidth = 0, pageHeight = 0; - switch (orientation) { - case GTK_PAGE_ORIENTATION_PORTRAIT: - case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT: - pageWidth = paperWidth - (marginLeft + marginRight); - pageHeight = paperHeight - (marginTop + marginBottom); - cairo_translate(m_cairoContext.get(), marginLeft, marginTop); - break; - case GTK_PAGE_ORIENTATION_LANDSCAPE: - case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE: - pageWidth = paperWidth - (marginTop + marginBottom); - pageHeight = paperHeight - (marginLeft + marginRight); - cairo_translate(m_cairoContext.get(), marginTop, marginLeft); - - size_t tmp = columns; - columns = rows; - rows = tmp; - break; - } - - int x, y; - getPositionOfPageInSheet(rows, columns, x, y); - - switch (m_numberUp) { - case 4: - case 9: - case 16: { - double scaleX = pageWidth / (columns * paperWidth); - double scaleY = pageHeight / (rows * paperHeight); - double scale = std::min(scaleX, scaleY); - - double stepX = paperWidth * (scaleX / scale); - double stepY = paperHeight * (scaleY / scale); - - double width = gtk_page_setup_get_page_width(m_pageSetup.get(), GTK_UNIT_INCH) * m_xDPI; - double height = gtk_page_setup_get_page_height(m_pageSetup.get(), GTK_UNIT_INCH) * m_yDPI; - - double offsetX, offsetY; - if (marginLeft + marginRight > 0) { - offsetX = marginLeft * (stepX - width) / (marginLeft + marginRight); - offsetY = marginTop * (stepY - height) / (marginTop + marginBottom); - } else { - offsetX = (stepX - width) / 2.0; - offsetY = (stepY - height) / 2.0; - } - - cairo_scale(m_cairoContext.get(), scale, scale); - cairo_translate(m_cairoContext.get(), x * stepX + offsetX, y * stepY + offsetY); - if (m_scale != 1.0) - cairo_scale(m_cairoContext.get(), m_scale, m_scale); - break; - } - case 2: - case 6: { - double scaleX = pageHeight / (columns * paperWidth); - double scaleY = pageWidth / (rows * paperHeight); - double scale = std::min(scaleX, scaleY); - - double stepX = paperWidth * (scaleX / scale); - double stepY = paperHeight * (scaleY / scale); - - double offsetX = ((stepX - paperWidth) / 2.0 * columns) - marginRight; - double offsetY = ((stepY - paperHeight) / 2.0 * rows) + marginTop; - - cairo_scale(m_cairoContext.get(), scale, scale); - cairo_translate(m_cairoContext.get(), y * paperHeight + offsetY, (columns - x) * paperWidth + offsetX); - if (m_scale != 1.0) - cairo_scale(m_cairoContext.get(), m_scale, m_scale); - cairo_rotate(m_cairoContext.get(), -G_PI / 2); - break; - } - default: - break; - } -} - -void WebPrintOperationGtk::renderPage(int pageNumber) -{ - startPage(m_cairoContext.get()); - cairo_save(m_cairoContext.get()); - - prepareContextToDraw(); - - double pageWidth = gtk_page_setup_get_page_width(m_pageSetup.get(), GTK_UNIT_INCH) * m_xDPI; - WebCore::PlatformContextCairo platformContext(m_cairoContext.get()); - WebCore::GraphicsContext graphicsContext(&platformContext); - m_printContext->spoolPage(graphicsContext, pageNumber, pageWidth / m_scale); - - cairo_restore(m_cairoContext.get()); - endPage(m_cairoContext.get()); -} - -gboolean WebPrintOperationGtk::printPagesIdle(gpointer userData) -{ - PrintPagesData* data = static_cast<PrintPagesData*>(userData); - - data->incrementPageSequence(); - if (data->isDone) - return FALSE; - - data->printOperation->renderPage(data->pageNumber); - return TRUE; -} - -void WebPrintOperationGtk::printPagesIdleDone(gpointer userData) -{ - PrintPagesData* data = static_cast<PrintPagesData*>(userData); - - data->printOperation->printPagesDone(); - delete data; -} - -void WebPrintOperationGtk::printPagesDone() -{ - m_printPagesIdleId = 0; - endPrint(); - m_cairoContext = 0; -} - -void WebPrintOperationGtk::printDone(const WebCore::ResourceError& error) -{ - if (m_printPagesIdleId) - g_source_remove(m_printPagesIdleId); - m_printPagesIdleId = 0; - - // Print finished or failed, notify the UI process that we are done. - m_webPage->send(Messages::WebPageProxy::PrintFinishedCallback(error, m_callbackID)); -} - -void WebPrintOperationGtk::print(cairo_surface_t* surface, double xDPI, double yDPI) -{ - ASSERT(m_printContext); - - OwnPtr<PrintPagesData> data = adoptPtr(new PrintPagesData(this)); - if (!data->isValid) { - cairo_surface_finish(surface); - printDone(invalidPageRangeToPrint(m_printContext)); - return; - } - - m_xDPI = xDPI; - m_yDPI = yDPI; - m_cairoContext = adoptRef(cairo_create(surface)); - m_printPagesIdleId = gdk_threads_add_idle_full(G_PRIORITY_DEFAULT_IDLE + 10, printPagesIdle, - data.leakPtr(), printPagesIdleDone); -} - -} |