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Applications: Add a very simple PDFViewer

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Matthew Olsson 2021-05-10 11:50:15 -07:00 • committed by Andreas Kling
parent 309105678b
commit f7ea1eb610
13 changed files with 264 additions and 18 deletions
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35
Userland/Applications/PDFViewer/PDFViewer.h Normal file
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/*
* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <LibGUI/AbstractScrollableWidget.h>
#include <LibGfx/Bitmap.h>
#include <LibPDF/Document.h>
class PDFViewer : public GUI::AbstractScrollableWidget {
C_OBJECT(PDFViewer)
public:
virtual ~PDFViewer() override;
void set_document(RefPtr<PDF::Document>);
protected:
PDFViewer();
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousewheel_event(GUI::MouseEvent&) override;
private:
RefPtr<Gfx::Bitmap> get_rendered_page(u32 index);
RefPtr<Gfx::Bitmap> render_page(const PDF::Page&);
RefPtr<PDF::Document> m_document;
u32 m_current_page_index { 0 };
HashMap<u32, RefPtr<Gfx::Bitmap>> m_rendered_pages;
};