diff options
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/Library_vcl.mk | 1 | ||||
| -rw-r--r-- | vcl/source/bitmap/BitmapProcessor.cxx | 58 | ||||
| -rw-r--r-- | vcl/source/gdi/impimagetree.cxx | 7 |
3 files changed, 66 insertions, 0 deletions
diff --git a/vcl/Library_vcl.mk b/vcl/Library_vcl.mk index f95a999c4a1b..f2cd719a4e27 100644 --- a/vcl/Library_vcl.mk +++ b/vcl/Library_vcl.mk @@ -318,6 +318,7 @@ $(eval $(call gb_Library_add_exception_objects,vcl,\ vcl/source/bitmap/bitmapscalesuper \ vcl/source/bitmap/BitmapSymmetryCheck \ vcl/source/bitmap/BitmapFilterStackBlur \ + vcl/source/bitmap/BitmapProcessor \ vcl/source/bitmap/checksum \ vcl/source/helper/canvasbitmap \ vcl/source/helper/canvastools \ diff --git a/vcl/source/bitmap/BitmapProcessor.cxx b/vcl/source/bitmap/BitmapProcessor.cxx new file mode 100644 index 000000000000..e9d36ed53539 --- /dev/null +++ b/vcl/source/bitmap/BitmapProcessor.cxx @@ -0,0 +1,58 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + */ + +#include <vcl/BitmapProcessor.hxx> +#include <vcl/bmpacc.hxx> +#include <basegfx/color/bcolortools.hxx> + +BitmapEx BitmapProcessor::createLightImage(const BitmapEx& rBitmapEx) +{ + const Size aSize(rBitmapEx.GetSizePixel()); + + Bitmap aBitmap(rBitmapEx.GetBitmap()); + Bitmap aDarkBitmap(aSize, 24); + + BitmapReadAccess* pRead(aBitmap.AcquireReadAccess()); + BitmapWriteAccess* pWrite(aDarkBitmap.AcquireWriteAccess()); + + if (pRead && pWrite) + { + for (int nY = 0; nY < aSize.Height(); ++nY) + { + for (int nX = 0; nX < aSize.Width(); ++nX) + { + BitmapColor aColor = pRead->HasPalette() ? + pRead->GetPaletteColor(pRead->GetPixelIndex(nY, nX)) : + pRead->GetPixel(nY, nX); + basegfx::BColor aBColor(Color(aColor.Invert()).getBColor()); + aBColor = basegfx::tools::rgb2hsl(aBColor); + + double fHue = aBColor.getRed(); + fHue += 180.0; + while (fHue > 360.0) + fHue -= 360.0; + aBColor.setRed(fHue); + + aBColor = basegfx::tools::hsl2rgb(aBColor); + aColor.SetRed(((aBColor.getRed() * 255.0) + 0.5)); + aColor.SetGreen(((aBColor.getGreen() * 255.0) + 0.5)); + aColor.SetBlue(((aBColor.getBlue() * 255.0) + 0.5)); + + pWrite->SetPixel(nY, nX, aColor); + } + } + } + Bitmap::ReleaseAccess(pWrite); + Bitmap::ReleaseAccess(pRead); + + return BitmapEx(aDarkBitmap, rBitmapEx.GetAlpha()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/vcl/source/gdi/impimagetree.cxx b/vcl/source/gdi/impimagetree.cxx index 5116a3621ec4..38cfefdb14fe 100644 --- a/vcl/source/gdi/impimagetree.cxx +++ b/vcl/source/gdi/impimagetree.cxx @@ -45,6 +45,8 @@ #include "impimagetree.hxx" #include <vcldemo-debug.hxx> +#include <vcl/BitmapProcessor.hxx> + using namespace css; namespace { @@ -123,7 +125,12 @@ bool ImplImageTree::loadImage(OUString const & name, OUString const & style, Bit { try { if (doLoadImage(name, aStyle, bitmap, localized)) + { + static bool bIconsForDarkTheme = !!getenv("VCL_ICONS_FOR_DARK_THEME"); + if (bIconsForDarkTheme) + bitmap = BitmapProcessor::createLightImage(bitmap); return true; + } } catch (css::uno::RuntimeException &) {} |