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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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 <vcl/BitmapMonochromeFilter.hxx>
#include <vcl/bitmap/BitmapTypes.hxx>
#include <vcl/rendercontext/DrawModeFlags.hxx>
#include <vcl/settings.hxx>
#include <vcl/virdev.hxx>
#include <drawmode.hxx>
namespace vcl::drawmode
{
Color GetLineColor(Color const& rColor, DrawModeFlags nDrawMode,
StyleSettings const& rStyleSettings)
{
Color aColor(rColor);
if (nDrawMode
& (DrawModeFlags::BlackLine | DrawModeFlags::WhiteLine | DrawModeFlags::GrayLine
| DrawModeFlags::SettingsLine))
{
if (!aColor.IsTransparent())
{
if (nDrawMode & DrawModeFlags::BlackLine)
{
aColor = COL_BLACK;
}
else if (nDrawMode & DrawModeFlags::WhiteLine)
{
aColor = COL_WHITE;
}
else if (nDrawMode & DrawModeFlags::GrayLine)
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color(cLum, cLum, cLum);
}
else if (nDrawMode & DrawModeFlags::SettingsLine)
{
aColor = rStyleSettings.GetFontColor();
}
}
}
return aColor;
}
Color GetFillColor(Color const& rColor, DrawModeFlags nDrawMode,
StyleSettings const& rStyleSettings)
{
Color aColor(rColor);
if (nDrawMode
& (DrawModeFlags::BlackFill | DrawModeFlags::WhiteFill | DrawModeFlags::GrayFill
| DrawModeFlags::NoFill | DrawModeFlags::SettingsFill))
{
if (!aColor.IsTransparent())
{
if (nDrawMode & DrawModeFlags::BlackFill)
{
aColor = COL_BLACK;
}
else if (nDrawMode & DrawModeFlags::WhiteFill)
{
aColor = COL_WHITE;
}
else if (nDrawMode & DrawModeFlags::GrayFill)
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color(cLum, cLum, cLum);
}
else if (nDrawMode & DrawModeFlags::NoFill)
{
aColor = COL_TRANSPARENT;
}
else if (nDrawMode & DrawModeFlags::SettingsFill)
{
aColor = rStyleSettings.GetWindowColor();
}
}
}
return aColor;
}
Color GetHatchColor(Color const& rColor, DrawModeFlags nDrawMode,
StyleSettings const& rStyleSettings)
{
Color aColor(rColor);
if (nDrawMode & DrawModeFlags::BlackLine)
{
aColor = COL_BLACK;
}
else if (nDrawMode & DrawModeFlags::WhiteLine)
{
aColor = COL_WHITE;
}
else if (nDrawMode & DrawModeFlags::GrayLine)
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color(cLum, cLum, cLum);
}
else if (nDrawMode & DrawModeFlags::SettingsLine)
{
aColor = rStyleSettings.GetFontColor();
}
return aColor;
}
Color GetTextColor(Color const& rColor, DrawModeFlags nDrawMode,
StyleSettings const& rStyleSettings)
{
Color aColor(rColor);
if (nDrawMode
& (DrawModeFlags::BlackText | DrawModeFlags::WhiteText | DrawModeFlags::GrayText
| DrawModeFlags::SettingsText))
{
if (nDrawMode & DrawModeFlags::BlackText)
{
aColor = COL_BLACK;
}
else if (nDrawMode & DrawModeFlags::WhiteText)
{
aColor = COL_WHITE;
}
else if (nDrawMode & DrawModeFlags::GrayText)
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color(cLum, cLum, cLum);
}
else if (nDrawMode & DrawModeFlags::SettingsText)
{
aColor = rStyleSettings.GetFontColor();
}
}
return aColor;
}
vcl::Font GetFont(vcl::Font const& rFont, DrawModeFlags nDrawMode,
StyleSettings const& rStyleSettings)
{
vcl::Font aFont(rFont);
if (nDrawMode
& (DrawModeFlags::BlackText | DrawModeFlags::WhiteText | DrawModeFlags::GrayText
| DrawModeFlags::SettingsText | DrawModeFlags::BlackFill | DrawModeFlags::WhiteFill
| DrawModeFlags::GrayFill | DrawModeFlags::NoFill | DrawModeFlags::SettingsFill))
{
Color aTextColor(aFont.GetColor());
if (nDrawMode & DrawModeFlags::BlackText)
{
aTextColor = COL_BLACK;
}
else if (nDrawMode & DrawModeFlags::WhiteText)
{
aTextColor = COL_WHITE;
}
else if (nDrawMode & DrawModeFlags::GrayText)
{
const sal_uInt8 cLum = aTextColor.GetLuminance();
aTextColor = Color(cLum, cLum, cLum);
}
else if (nDrawMode & DrawModeFlags::SettingsText)
{
aTextColor = rStyleSettings.GetFontColor();
}
aFont.SetColor(aTextColor);
if (!aFont.IsTransparent())
{
Color aTextFillColor(aFont.GetFillColor());
if (nDrawMode & DrawModeFlags::BlackFill)
{
aTextFillColor = COL_BLACK;
}
else if (nDrawMode & DrawModeFlags::WhiteFill)
{
aTextFillColor = COL_WHITE;
}
else if (nDrawMode & DrawModeFlags::GrayFill)
{
const sal_uInt8 cLum = aTextFillColor.GetLuminance();
aTextFillColor = Color(cLum, cLum, cLum);
}
else if (nDrawMode & DrawModeFlags::SettingsFill)
{
aTextFillColor = rStyleSettings.GetWindowColor();
}
else if (nDrawMode & DrawModeFlags::NoFill)
{
aTextFillColor = COL_TRANSPARENT;
}
aFont.SetFillColor(aTextFillColor);
}
}
return aFont;
}
BitmapEx GetBitmapEx(BitmapEx const& rBitmapEx, DrawModeFlags nDrawMode)
{
BitmapEx aBmpEx(rBitmapEx);
if (nDrawMode & (DrawModeFlags::BlackBitmap | DrawModeFlags::WhiteBitmap))
{
Bitmap aColorBmp(aBmpEx.GetSizePixel(), vcl::PixelFormat::N1_BPP);
sal_uInt8 cCmpVal;
if (nDrawMode & DrawModeFlags::BlackBitmap)
cCmpVal = 0;
else
cCmpVal = 255;
aColorBmp.Erase(Color(cCmpVal, cCmpVal, cCmpVal));
if (aBmpEx.IsAlpha())
{
// Create one-bit mask out of alpha channel, by thresholding it at alpha=0.5. As
// DRAWMODE_BLACK/WHITEBITMAP requires monochrome output, having alpha-induced
// grey levels is not acceptable
BitmapEx aMaskEx(aBmpEx.GetAlpha().GetBitmap());
BitmapFilter::Filter(aMaskEx, BitmapMonochromeFilter(129));
aBmpEx = BitmapEx(aColorBmp, aMaskEx.GetBitmap());
}
else
{
aBmpEx = BitmapEx(aColorBmp, aBmpEx.GetAlpha());
}
}
if (nDrawMode & DrawModeFlags::GrayBitmap && !aBmpEx.IsEmpty())
aBmpEx.Convert(BmpConversion::N8BitGreys);
return aBmpEx;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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