94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _PAPERPS_H_
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#define _PAPERPS_H_
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#include "nsDebug.h"
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struct nsPaperSizePS_ {
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const char *name;
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float width_mm;
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float height_mm;
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bool isMetric; // Present to the user in metric, if possible
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};
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class nsPaperSizePS {
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public:
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/** ---------------------------------------------------
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* Constructor
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*/
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nsPaperSizePS() { mCurrent = 0; }
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/** ---------------------------------------------------
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* @return true if the cursor points past the last item.
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*/
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bool AtEnd() { return mCurrent >= mCount; }
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/** ---------------------------------------------------
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* Position the cursor at the beginning of the paper size list.
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* @return VOID
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*/
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void First() { mCurrent = 0; }
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/** ---------------------------------------------------
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* Advance the cursor to the next item.
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* @return VOID
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*/
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void Next() {
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NS_ASSERTION(!AtEnd(), "Invalid current item");
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mCurrent++;
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}
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/** ---------------------------------------------------
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* Point the cursor to the entry with the given paper name.
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* @return true if pointing to a valid entry.
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*/
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bool Find(const char *aName);
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/** ---------------------------------------------------
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* @return a pointer to the name of the current paper size
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*/
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const char *Name() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].name;
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}
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/** ---------------------------------------------------
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* @return the width of the page in millimeters
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*/
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float Width_mm() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].width_mm;
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}
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/** ---------------------------------------------------
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* @return the height of the page in millimeters
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*/
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float Height_mm() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].height_mm;
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}
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/** ---------------------------------------------------
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* @return true if the paper should be presented to
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* the user in metric units.
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*/
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bool IsMetric() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].isMetric;
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}
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private:
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unsigned int mCurrent;
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static const nsPaperSizePS_ mList[];
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static const unsigned int mCount;
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};
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#endif
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