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From 63d5cc018d268a8d269cb2353ddaeb68fc74d64c Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
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Date: Mon, 30 Nov 2015 10:22:46 +0000
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Subject: [PATCH] gtk3: implement SAL_INVERT_50 rectangle case
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missing stipple effect around slides in layout panel
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(cherry picked from commit a80dea3e77c2a8465cdd309c5f740fb8102dd826)
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(cherry picked from commit 442d064188a2d50406e485d033accfffe4bd54e9)
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Change-Id: I8a55c6bda1e742e105ba22e4566658099ea16f46
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---
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vcl/headless/svpgdi.cxx | 73 +++++++++++++++++++++++++++++++++++++++++++++++--
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1 file changed, 71 insertions(+), 2 deletions(-)
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diff --git a/vcl/headless/svpgdi.cxx b/vcl/headless/svpgdi.cxx
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index 06030d9..0afce7e 100644
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--- a/vcl/headless/svpgdi.cxx
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+++ b/vcl/headless/svpgdi.cxx
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@@ -913,9 +913,76 @@ SalColor SvpSalGraphics::getPixel( long nX, long nY )
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return aColor.toInt32();
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}
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-void SvpSalGraphics::invert( long nX, long nY, long nWidth, long nHeight, SalInvert /*nFlags*/ )
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+namespace
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{
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- // FIXME: handle SAL_INVERT_50 and SAL_INVERT_TRACKFRAME
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+ cairo_pattern_t * create_stipple()
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+ {
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+ static unsigned char data[16] = { 0xFF, 0xFF, 0x00, 0x00,
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+ 0xFF, 0xFF, 0x00, 0x00,
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+ 0x00, 0x00, 0xFF, 0xFF,
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+ 0x00, 0x00, 0xFF, 0xFF };
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+ cairo_surface_t* surface = cairo_image_surface_create_for_data(data, CAIRO_FORMAT_A8, 4, 4, 4);
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+ cairo_pattern_t* pattern = cairo_pattern_create_for_surface(surface);
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+ cairo_surface_destroy(surface);
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+ cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
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+ cairo_pattern_set_filter(pattern, CAIRO_FILTER_NEAREST);
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+ return pattern;
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+ }
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+}
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+
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+void SvpSalGraphics::invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags )
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+{
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+#if ENABLE_CAIRO_CANVAS
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+#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0)
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+ // FIXME: handle SAL_INVERT_TRACKFRAME
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+ if ( nFlags & SAL_INVERT_TRACKFRAME )
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+ {
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+ SAL_WARN("vcl.gdi", "SvpSalGraphics::invert, unhandled SAL_INVERT_TRACKFRAME");
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+ }
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+ else if ( nFlags & SAL_INVERT_50 )
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+ {
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+ if (cairo_t* cr = createCairoContext(m_aDevice))
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+ {
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+ if (!m_aDevice->isTopDown())
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+ {
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+ cairo_scale(cr, 1, -1.0);
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+ cairo_translate(cr, 0.0, -m_aDevice->getSize().getY());
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+ }
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+
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+ clipRegion(cr);
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+
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+ cairo_pattern_t *pattern = create_stipple();
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+
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+ cairo_rectangle_int_t extents;
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+ basebmp::IBitmapDeviceDamageTrackerSharedPtr xDamageTracker(m_aDevice->getDamageTracker());
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+
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+ cairo_rectangle(cr, nX, nY, nWidth, nHeight);
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+
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+ if (xDamageTracker)
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+ extents = getFillDamage(cr);
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+
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+ cairo_clip(cr);
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+
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+ cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
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+ cairo_set_operator(cr, CAIRO_OPERATOR_DIFFERENCE);
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+ cairo_mask(cr, pattern);
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+ cairo_pattern_destroy(pattern);
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+
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+ cairo_surface_flush(cairo_get_target(cr));
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+ cairo_destroy(cr); // unref
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+
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+ return;
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+ }
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+ else
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+ SAL_WARN("vcl.gdi", "SvpSalGraphics::invert unhandled XOR (?)");
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+ }
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+ else
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+ {
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+ SAL_WARN("vcl.gdi", "SvpSalGraphics::invert, unhandled SAL_INVERT_TRACKFRAME");
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+ }
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+#endif
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+#endif
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+
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basegfx::B2DPolygon aRect = basegfx::tools::createPolygonFromRect( basegfx::B2DRectangle( nX, nY, nX+nWidth, nY+nHeight ) );
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basegfx::B2DPolyPolygon aPolyPoly( aRect );
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basegfx::B2IBox aDestRange( nX, nY, nX + nWidth, nY + nHeight );
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@@ -928,6 +995,8 @@ void SvpSalGraphics::invert( long nX, long nY, long nWidth, long nHeight, SalInv
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void SvpSalGraphics::invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert /*nFlags*/ )
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{
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+ SAL_WARN("vcl.gdi", "SvpSalGraphics::invert, unhandled points case");
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+
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// FIXME: handle SAL_INVERT_50 and SAL_INVERT_TRACKFRAME
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basegfx::B2DPolygon aPoly;
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aPoly.append( basegfx::B2DPoint( pPtAry->mnX, pPtAry->mnY ), nPoints );
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--
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2.5.0
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