office-gobmx/starmath/source/tmpdevice.cxx
Chris Sherlock 78d225f514 tdf#74702: remove GetOutDevType() from SmTmpDevice
Adds in logic to OutputDevice that takes a font color and the font's
background color - if the font and background is dark then return the
stock white color, if the font and background are bright, then return
the stock black color, otherwise just return the font color.

Also added a unit test to ensure that SmTmpDevice restores font and
test color correctly.

Change-Id: Id805682778d82826c644e7a27017c8d30b1ff5eb
Reviewed-on: https://gerrit.libreoffice.org/75524
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
Tested-by: Tomaž Vajngerl <quikee@gmail.com>
2019-09-16 11:13:46 +02:00

66 lines
2.3 KiB
C++

/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <smmod.hxx>
#include "tmpdevice.hxx"
#include <svtools/colorcfg.hxx>
#include <vcl/window.hxx>
#include <sal/log.hxx>
// SmTmpDevice
// Allows for font and color changes. The original settings will be restored
// in the destructor.
// It's main purpose is to allow for the "const" in the 'OutputDevice'
// argument in the 'Arrange' functions and restore changes made in the 'Draw'
// functions.
// Usually a MapMode of 1/100th mm will be used.
SmTmpDevice::SmTmpDevice(OutputDevice &rTheDev, bool bUseMap100th_mm) :
rOutDev(rTheDev)
{
rOutDev.Push(PushFlags::FONT | PushFlags::MAPMODE |
PushFlags::LINECOLOR | PushFlags::FILLCOLOR | PushFlags::TEXTCOLOR);
if (bUseMap100th_mm && MapUnit::Map100thMM != rOutDev.GetMapMode().GetMapUnit())
{
SAL_WARN("starmath", "incorrect MapMode?");
rOutDev.SetMapMode(MapMode(MapUnit::Map100thMM)); // format for 100% always
}
}
Color SmTmpDevice::GetTextColor(const Color& rTextColor)
{
if (rTextColor == COL_AUTO)
{
Color aConfigFontColor = SM_MOD()->GetColorConfig().GetColorValue(svtools::FONTCOLOR).nColor;
return rOutDev.GetReadableFontColor(aConfigFontColor, rOutDev.GetBackgroundColor());
}
return rTextColor;
}
void SmTmpDevice::SetFont(const vcl::Font &rNewFont)
{
rOutDev.SetFont(rNewFont);
rOutDev.SetTextColor(GetTextColor(rNewFont.GetColor()));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */