Get lumina-pdf all up and running again.

1. Abstract out the backend renderer into a new class
2. The Renderer can be selected at build time by setting the "USE_MUPDF" build flag to use mupdf instead of poppler (default).

1 files changed, 39 insertions, 0 deletions

diff --git a/src-qt5/desktop-utils/lumina-pdf/Renderer.h b/src-qt5/desktop-utils/lumina-pdf/Renderer.h
new file mode 100644
index 00000000..09e9c425
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-pdf/Renderer.h
@@ -0,0 +1,39 @@
+// ================================
+// Simple abstraction class between backend renderers
+// ================================
+// Written by Ken Moore: Feb 26, 2018
+// Available under the 3-Clause BSD License
+// ================================
+#ifndef _LUMINA_PDF_BACKEND_RENDERER_H
+#define _LUMINA_PDF_BACKEND_RENDERER_H
+
+#include <QString>
+#include <QImage>
+#include <QDebug>
+#include <QJsonObject>
+#include "textData.h"
+
+class Renderer{
+private:
+	int pnum; //number of pages - set on loading document
+	bool needpass;
+	QString docpath; //save the path for the currently-loaded document
+	QString doctitle;
+public:
+	Renderer();
+	~Renderer();
+	bool loadMultiThread();
+
+	//Information functions (usually needs to be loaded first)
+	int numPages(){ return pnum; }
+	bool needPassword(){ return needpass; }
+	QString title(){ return doctitle; }
+	QJsonObject properties();
+
+	//Main access functions
+	bool loadDocument(QString path, QString password);
+	QImage renderPage(int pagenum, QSize DPI);
+	QList<TextData*> searchDocument(QString text, bool matchCase);
+};
+
+#endif