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Expand SGEC to include long comments and notes. These are serialized in JavaScript form. SGEC now accepts addresses and relative position deltas. Exported content uses addresses, and can be configured for deltas.
100 lines
3.9 KiB
C#
100 lines
3.9 KiB
C#
/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Media;
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namespace CommonWPF {
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/// <summary>
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/// Miscellaneous helper functions.
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/// </summary>
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public static class Helper {
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public static Color ZeroColor = Color.FromArgb(0, 0, 0, 0);
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/// <summary>
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/// Measures the size of a string when rendered with the specified parameters. Uses
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/// the current culture, left-to-right flow, and 1 pixel per DIP.
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/// </summary>
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/// <remarks>
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/// The Graphics.MeasureString approach from WinForms doesn't work in WPF, but we can
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/// accomplish the same thing with the FormattedText class.
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/// </remarks>
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/// <seealso cref="https://stackoverflow.com/a/9266288/294248"/>
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/// <param name="str">Text to be displayed.</param>
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/// <param name="fontFamily">Font family for Typeface.</param>
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/// <param name="fontStyle">Font style for Typeface.</param>
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/// <param name="fontWeight">Font weight for Typeface.</param>
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/// <param name="fontStretch">Font stretch for Typeface.</param>
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/// <param name="emSize">Font size.</param>
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/// <returns>Width and height of rendered text.</returns>
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public static Size MeasureString(string str, FontFamily fontFamily, FontStyle fontStyle,
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FontWeight fontWeight, FontStretch fontStretch, double emSize) {
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FormattedText fmt = new FormattedText(
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str,
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CultureInfo.CurrentCulture,
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FlowDirection.LeftToRight,
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new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
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emSize,
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Brushes.Black,
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new NumberSubstitution(),
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1.0);
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return new Size(fmt.Width, fmt.Height);
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}
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/// <summary>
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/// Measures the size of a string when rendered with the specified parameters. Uses
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/// the current culture, left-to-right flow, and 1 pixel per DIP.
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/// </summary>
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/// <param name="str">Text to be displayed.</param>
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/// <param name="typeface">Font typeface to use.</param>
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/// <param name="emSize">Font size.</param>
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/// <returns>Width of rendered text.</returns>
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public static double MeasureStringWidth(string str, Typeface typeface, double emSize) {
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FormattedText fmt = new FormattedText(
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str,
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CultureInfo.CurrentCulture,
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FlowDirection.LeftToRight,
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typeface,
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emSize,
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Brushes.Black,
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new NumberSubstitution(),
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1.0);
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return fmt.Width;
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}
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/// <summary>
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/// Converts a System.Windows.Media.Color value into 32-bit ARGB.
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/// </summary>
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public static int ColorToInt(Color color) {
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return (color.A << 24) | (color.R << 16) | (color.G << 8) | color.B;
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}
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/// <summary>
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/// Creates a System.Windows.Media.Color value from 32-bit ARGB.
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/// </summary>
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/// <param name="colorInt"></param>
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/// <returns></returns>
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public static Color ColorFromInt(int colorInt) {
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return Color.FromArgb((byte)(colorInt >> 24), (byte)(colorInt >> 16),
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(byte)(colorInt >> 8), (byte)colorInt);
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}
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}
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}
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