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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PRINTING_NUP_PARAMETERS_H_
#define PRINTING_NUP_PARAMETERS_H_
#include "printing/printing_export.h"
namespace printing {
class PRINTING_EXPORT NupParameters {
public:
NupParameters();
// Whether or not the input |pages_per_sheet| is a supported N-up value.
// Supported values are: 1 2 4 6 9 16
static bool IsSupported(int pages_per_sheet);
// Orientation of the to-be-generated N-up PDF document.
bool landscape() const { return landscape_; }
int num_pages_on_x_axis() const { return num_pages_on_x_axis_; }
int num_pages_on_y_axis() const { return num_pages_on_y_axis_; }
// Calculates the |num_pages_on_x_axis_|, |num_pages_on_y_axis_| and
// |landscape_| based on the input. |is_source_landscape| is true if the
// source document orientation is landscape.
// Callers should check |pages_per_sheet| values with IsSupported() first,
// and only pass in supported values.
void SetParameters(int pages_per_sheet, bool is_source_landscape);
// Turns off N-up mode by resetting |num_pages_on_x_axis| = 1,
// |num_pages_on_y_axis| = 1, and |landscape_| = false
void Clear();
private:
int num_pages_on_x_axis_;
int num_pages_on_y_axis_;
bool landscape_;
};
} // namespace printing
#endif // PRINTING_NUP_PARAMETERS_H_
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