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Lines 56-61
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#include <config.h> |
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#include <config.h> |
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#include <cfloat> |
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#include <cfloat> |
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#include <poppler-config.h> |
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#include <poppler-config.h> |
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#include <math.h> |
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#include <PDFDoc.h> |
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#include <PDFDoc.h> |
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#include <Catalog.h> |
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#include <Catalog.h> |
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#include <Form.h> |
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#include <Form.h> |
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Lines 67-72
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#include <Rendition.h> |
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#include <Rendition.h> |
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#include <SplashOutputDev.h> |
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#include <SplashOutputDev.h> |
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#include <splash/SplashBitmap.h> |
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#include <splash/SplashBitmap.h> |
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#if defined(HAVE_CAIRO) |
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# include <CairoOutputDev.h> |
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#endif |
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#include "poppler-private.h" |
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#include "poppler-private.h" |
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#include "poppler-page-transition-private.h" |
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#include "poppler-page-transition-private.h" |
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Lines 597-602
QImage Page::renderToImage(double xres, double yres, int xPos, int yPos, int w,
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img = tmpimg; |
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img = tmpimg; |
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break; |
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break; |
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} |
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} |
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case Poppler::Document::CairoBackend: { |
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#if defined(HAVE_CAIRO) |
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CairoOutputDev *output_dev = new CairoOutputDev(); |
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output_dev->startDoc(m_page->parentDoc->doc); |
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int buffer_width, buffer_height, rotate; |
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cairo_surface_t *surface; |
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cairo_t *cairo; |
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// If w or h are -1, that indicates the whole page, so we need to |
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// calculate how many pixels that corresponds to. Otherwise, we can use w |
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// or h directly for our buffer size. |
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const QSize pageSize = this->pageSize(); |
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if (w == -1) { |
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const double xscale = xres / 72.0; |
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const double width = pageSize.width();; |
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buffer_width = (int) ceil(width * xscale); |
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} else { |
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buffer_width = w; |
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} |
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if (h == -1) { |
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const double yscale = yres / 72.0; |
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const double height = pageSize.height(); |
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buffer_height = (int) ceil(height * yscale); |
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} else { |
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buffer_height = h; |
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} |
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rotate = rotation + m_page->page->getRotate(); |
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// FIXME: Okular never provides a rotation value, so I don't have any way |
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// of testing this right now. The result is that subpixels are ordered |
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// incorrectly when the page is rotated. |
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//if (rotate == 90 || rotate == 270) { |
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// const double temp = height; |
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// height = width; |
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// width = temp; |
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//} |
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img = QImage(buffer_width, buffer_height, QImage::Format_ARGB32); |
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img.fill(Qt::white); // Never transparent |
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surface = cairo_image_surface_create_for_data( |
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img.bits(), |
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CAIRO_FORMAT_ARGB32, |
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buffer_width, buffer_height, |
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img.bytesPerLine()); |
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cairo = cairo_create(surface); |
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output_dev->setCairo(cairo); |
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m_page->parentDoc->doc->displayPageSlice( |
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output_dev, m_page->index + 1, xres, yres, rotation, false, true, |
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false, xPos, yPos, w, h); |
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// Clean up |
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output_dev->setCairo(nullptr); |
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cairo_destroy(cairo); |
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cairo_surface_destroy(surface); |
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delete output_dev; |
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#endif |
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break; |
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} |
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} |
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} |
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if (shouldAbortRenderCallback && shouldAbortRenderCallback(payload)) { |
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if (shouldAbortRenderCallback && shouldAbortRenderCallback(payload)) { |
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Lines 622-627
bool Page::renderToPainter(QPainter *painter, double xres, double yres, int x, i
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return renderToQPainter(&qpainter_output, painter, m_page, xres, yres, x, y, w, h, rotate, flags); |
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return renderToQPainter(&qpainter_output, painter, m_page, xres, yres, x, y, w, h, rotate, flags); |
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} |
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} |
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case Poppler::Document::CairoBackend: { |
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return false; |
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} |
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} |
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} |
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return false; |
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return false; |
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} |
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} |
