From f57872d2da23c8a3f90c67b6ad4a3ad0f699a276 Mon Sep 17 00:00:00 2001 From: Luboš Luňák Date: Fri, 19 Feb 2021 15:06:14 +0100 Subject: simply use drawTransformedBitmap() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit At least with Skia this is faster than GraphicObject trying to handle it manually, even in raster mode. Change-Id: If77d108751f5621878d4ea87a996c2ea0253d111 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111246 Tested-by: Jenkins Reviewed-by: Luboš Luňák --- canvas/source/vcl/canvashelper.cxx | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'canvas') diff --git a/canvas/source/vcl/canvashelper.cxx b/canvas/source/vcl/canvashelper.cxx index 501741301d8e..89ee207989c6 100644 --- a/canvas/source/vcl/canvashelper.cxx +++ b/canvas/source/vcl/canvashelper.cxx @@ -723,6 +723,28 @@ namespace vclcanvas // itself serves this purpose return uno::Reference< rendering::XCachedPrimitive >(nullptr); } + else if( !bModulateColors && mpOutDevProvider->getOutDev().HasFastDrawTransformedBitmap()) + { + ::basegfx::B2DHomMatrix aSizeTransform; + aSizeTransform.scale( aBmpEx.GetSizePixel().Width(), aBmpEx.GetSizePixel().Height() ); + aMatrix = aMatrix * aSizeTransform; + + mpOutDevProvider->getOutDev().DrawTransformedBitmapEx( aMatrix, aBmpEx ); + if( mp2ndOutDevProvider ) + { + // HACK. Normally, CanvasHelper does not care about + // actually what mp2ndOutDev is... well, here we do & + // assume a 1bpp target - everything beyond 97% + // transparency is fully transparent + if( aBmpEx.IsAlpha() ) + { + BitmapFilter::Filter(aBmpEx, BitmapAlphaClampFilter(253)); + } + + mp2ndOutDevProvider->getOutDev().DrawTransformedBitmapEx( aMatrix, aBmpEx ); + } + return uno::Reference< rendering::XCachedPrimitive >(nullptr); + } else { // Matrix contains non-trivial transformation (or -- cgit v1.2.3