mirror of https://github.com/JakubMelka/PDF4QT.git
133 lines
4.2 KiB
C++
133 lines
4.2 KiB
C++
// Copyright (C) 2019 Jakub Melka
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//
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// This file is part of PdfForQt.
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//
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// PdfForQt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// PdfForQt is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
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#include "pdfblendfunction.h"
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namespace pdf
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{
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constexpr const std::pair<const char*, BlendMode> BLEND_MODE_INFOS[] =
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{
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{ "Normal", BlendMode::Normal },
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{ "Multiply", BlendMode::Multiply },
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{ "Screen", BlendMode::Screen },
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{ "Overlay", BlendMode::Overlay },
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{ "Darken", BlendMode::Darken },
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{ "Lighten", BlendMode::Lighten },
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{ "ColorDodge", BlendMode::ColorDodge },
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{ "ColorBurn", BlendMode::ColorBurn },
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{ "HardLight", BlendMode::HardLight },
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{ "SoftLight", BlendMode::SoftLight },
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{ "Difference", BlendMode::Difference },
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{ "Exclusion", BlendMode::Exclusion },
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{ "Hue", BlendMode::Hue },
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{ "Saturation", BlendMode::Saturation },
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{ "Color", BlendMode::Color },
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{ "Luminosity", BlendMode::Luminosity },
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{ "Compatible", BlendMode::Compatible }
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};
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BlendMode PDFBlendModeInfo::getBlendMode(const QByteArray& name)
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{
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for (const std::pair<const char*, BlendMode>& info : BLEND_MODE_INFOS)
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{
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if (info.first == name)
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{
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return info.second;
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}
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}
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return BlendMode::Invalid;
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}
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bool PDFBlendModeInfo::isSupportedByQt(BlendMode mode)
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{
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switch (mode)
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{
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case BlendMode::Normal:
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case BlendMode::Multiply:
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case BlendMode::Screen:
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case BlendMode::Overlay:
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case BlendMode::Darken:
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case BlendMode::Lighten:
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case BlendMode::ColorDodge:
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case BlendMode::ColorBurn:
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case BlendMode::HardLight:
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case BlendMode::SoftLight:
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case BlendMode::Difference:
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case BlendMode::Exclusion:
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case BlendMode::Compatible:
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return true;
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default:
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return false;
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}
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}
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QPainter::CompositionMode PDFBlendModeInfo::getCompositionModeFromBlendMode(BlendMode mode)
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{
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switch (mode)
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{
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case BlendMode::Normal:
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return QPainter::CompositionMode_SourceOver;
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case BlendMode::Multiply:
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return QPainter::CompositionMode_Multiply;
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case BlendMode::Screen:
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return QPainter::CompositionMode_Screen;
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case BlendMode::Overlay:
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return QPainter::CompositionMode_Overlay;
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case BlendMode::Darken:
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return QPainter::CompositionMode_Darken;
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case BlendMode::Lighten:
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return QPainter::CompositionMode_Lighten;
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case BlendMode::ColorDodge:
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return QPainter::CompositionMode_ColorDodge;
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case BlendMode::ColorBurn:
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return QPainter::CompositionMode_ColorBurn;
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case BlendMode::HardLight:
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return QPainter::CompositionMode_HardLight;
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case BlendMode::SoftLight:
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return QPainter::CompositionMode_SoftLight;
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case BlendMode::Difference:
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return QPainter::CompositionMode_Difference;
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case BlendMode::Exclusion:
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return QPainter::CompositionMode_Exclusion;
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case BlendMode::Compatible:
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return QPainter::CompositionMode_SourceOver;
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default:
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break;
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}
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return QPainter::CompositionMode_SourceOver;
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}
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QString PDFBlendModeInfo::getBlendModeName(BlendMode mode)
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{
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for (const std::pair<const char*, BlendMode>& info : BLEND_MODE_INFOS)
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{
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if (info.second == mode)
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{
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return QString::fromLatin1(info.first);
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}
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}
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return "Unknown";
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}
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} // namespace pdf
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