| // 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_ |