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Applications: Add a very simple PDFViewer
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13 changed files with 264 additions and 18 deletions
35
Userland/Applications/PDFViewer/PDFViewer.h
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35
Userland/Applications/PDFViewer/PDFViewer.h
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/*
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* Copyright (c) 2021, Matthew Olsson <mattco@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/HashMap.h>
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#include <LibGUI/AbstractScrollableWidget.h>
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#include <LibGfx/Bitmap.h>
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#include <LibPDF/Document.h>
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class PDFViewer : public GUI::AbstractScrollableWidget {
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C_OBJECT(PDFViewer)
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public:
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virtual ~PDFViewer() override;
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void set_document(RefPtr<PDF::Document>);
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protected:
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PDFViewer();
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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private:
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RefPtr<Gfx::Bitmap> get_rendered_page(u32 index);
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RefPtr<Gfx::Bitmap> render_page(const PDF::Page&);
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RefPtr<PDF::Document> m_document;
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u32 m_current_page_index { 0 };
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HashMap<u32, RefPtr<Gfx::Bitmap>> m_rendered_pages;
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};
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