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// -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; -*-
// (c) 2016 Henner Zeller <h.zeller@acm.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation version 2.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://gnu.org/licenses/gpl-2.0.txt>
#ifndef JPEG_SOURCE_H_
#define JPEG_SOURCE_H_
#include <memory>
#include "display-options.h"
#include "image-source.h"
#include "terminal-canvas.h"
namespace timg {
// Special case for JPEG decoding, as we can make use of decode+rough_scale
// in one go.
class JPEGSource final : public ImageSource {
public:
explicit JPEGSource(const std::string &filename) : ImageSource(filename) {}
static const char *VersionInfo();
bool LoadAndScale(const DisplayOptions &options, int frame_offset,
int frame_count) final;
void SendFrames(const Duration &duration, int loops,
const volatile sig_atomic_t &interrupt_received,
const Renderer::WriteFramebufferFun &sink) final;
std::string FormatTitle(const std::string &format_string) const final;
private:
int IndentationIfCentered(const timg::Framebuffer &image) const;
DisplayOptions options_;
int orig_width_, orig_height_;
std::unique_ptr<timg::Framebuffer> image_;
};
} // namespace timg
#endif // JPEG_SOURCE_H_
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