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Merge pull request #4964 from L1Q/master
Add "Force Proportions" image effect
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commit
9f4c2b7622
3 changed files with 124 additions and 0 deletions
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@ -129,6 +129,7 @@ private void AddAllEffectsToContextMenu()
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typeof(Canvas),
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typeof(Canvas),
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typeof(Crop),
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typeof(Crop),
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typeof(Flip),
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typeof(Flip),
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typeof(ForceProportions),
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typeof(Resize),
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typeof(Resize),
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typeof(Rotate),
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typeof(Rotate),
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typeof(RoundedCorners),
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typeof(RoundedCorners),
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122
ShareX.ImageEffectsLib/Manipulations/ForceProportions.cs
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122
ShareX.ImageEffectsLib/Manipulations/ForceProportions.cs
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@ -0,0 +1,122 @@
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#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2020 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib;
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Design;
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namespace ShareX.ImageEffectsLib
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{
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[Description("Force Proportions")]
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internal class ForceProportions : ImageEffect
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{
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private int width = 1;
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private int height = 1;
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[DefaultValue(typeof(int), "1")]
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public int ProportionalWidth
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{
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get {
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return width;
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}
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set
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{
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width = Math.Max(1, value);
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}
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}
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[DefaultValue(typeof(int), "1")]
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public int ProportionalHeight
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{
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get
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{
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return height;
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}
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set
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{
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height = Math.Max(1, value);
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}
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}
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public enum ForceMethod
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{
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Grow,
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Crop
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}
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public ForceMethod Method { get; set; } = ForceMethod.Grow;
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[DefaultValue(typeof(Color), "Transparent"), Editor(typeof(MyColorEditor), typeof(UITypeEditor)), TypeConverter(typeof(MyColorConverter))]
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public Color GrowFillColor { get; set; } = Color.FromArgb(0);
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public ForceProportions()
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{
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this.ApplyDefaultPropertyValues();
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}
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public override Bitmap Apply(Bitmap bmp)
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{
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float current_ratio = bmp.Width / (float)bmp.Height;
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float target_ratio = width / (float)height;
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bool is_target_wider = target_ratio > current_ratio;
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int target_width = bmp.Width;
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int target_height = bmp.Height;
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int margin_left = 0;
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int margin_top = 0;
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if (Method == ForceMethod.Crop)
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{
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if (is_target_wider)
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{
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target_height = (int)Math.Round(bmp.Width / target_ratio);
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margin_top = (bmp.Height - target_height) / 2;
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}
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else
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{
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target_width = (int)Math.Round(bmp.Height * target_ratio);
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margin_left = (bmp.Width - target_width) / 2;
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}
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return ImageHelpers.CropBitmap(bmp, new Rectangle(margin_left, margin_top, target_width, target_height));
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}
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if (Method == ForceMethod.Grow)
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{
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if (is_target_wider)
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{
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target_width = (int)Math.Round(bmp.Height * target_ratio);
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}
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else
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{
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target_height = (int)Math.Round(bmp.Width / target_ratio);
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}
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return ImageHelpers.ResizeImage(bmp, target_width, target_height, false, true, GrowFillColor);
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}
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return bmp;
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}
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}
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}
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@ -142,6 +142,7 @@
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</Compile>
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</Compile>
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<Compile Include="ImageEffectPreset.cs" />
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<Compile Include="ImageEffectPreset.cs" />
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<Compile Include="Manipulations\AutoCrop.cs" />
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<Compile Include="Manipulations\AutoCrop.cs" />
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<Compile Include="Manipulations\ForceProportions.cs" />
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<Compile Include="Manipulations\Crop.cs" />
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<Compile Include="Manipulations\Crop.cs" />
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<Compile Include="Manipulations\RoundedCorners.cs" />
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<Compile Include="Manipulations\RoundedCorners.cs" />
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<Compile Include="Manipulations\Skew.cs" />
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<Compile Include="Manipulations\Skew.cs" />
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