Text operators (first part)

PdfForQtLib/sources/pdffont.h

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+//    Copyright (C) 2019 Jakub Melka
+//
+//    This file is part of PdfForQt.
+//
+//    PdfForQt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    PdfForQt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDFForQt.  If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef PDFFONT_H
+#define PDFFONT_H
+
+#include "pdfglobal.h"
+
+#include <QSharedPointer>
+
+namespace pdf
+{
+
+enum class TextRenderingMode
+{
+    Fill = 0,
+    Stroke = 1,
+    FillStroke = 2,
+    Invisible = 3,
+    FillClip = 4,
+    StrokeClip = 5,
+    FillStrokeClip = 6,
+    Clip = 7
+};
+
+constexpr bool isTextRenderingModeFilled(TextRenderingMode mode)
+{
+    switch (mode)
+    {
+        case TextRenderingMode::Fill:
+        case TextRenderingMode::FillClip:
+        case TextRenderingMode::FillStroke:
+        case TextRenderingMode::FillStrokeClip:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+constexpr bool isTextRenderingModeStroked(TextRenderingMode mode)
+{
+    switch (mode)
+    {
+        case TextRenderingMode::Stroke:
+        case TextRenderingMode::FillStroke:
+        case TextRenderingMode::StrokeClip:
+        case TextRenderingMode::FillStrokeClip:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+constexpr bool isTextRenderingModeClipped(TextRenderingMode mode)
+{
+    switch (mode)
+    {
+        case TextRenderingMode::Clip:
+        case TextRenderingMode::FillClip:
+        case TextRenderingMode::StrokeClip:
+        case TextRenderingMode::FillStrokeClip:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+class PDFFont
+{
+public:
+    PDFFont();
+};
+
+using PDFFontPointer = QSharedPointer<PDFFont>;
+
+}   // namespace pdf
+
+#endif // PDFFONT_H