#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (c) 2007-2020 ShareX Team
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Optionally you can also view the license at .
*/
#endregion License Information (GPL v3)
using Newtonsoft.Json.Serialization;
using ShareX.HelpersLib;
using ShareX.ImageEffectsLib.Properties;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Windows.Forms;
namespace ShareX.ImageEffectsLib
{
public partial class ImageEffectsForm : Form
{
public static bool IsInstanceActive => instance != null && !instance.IsDisposed;
private static ImageEffectsForm instance;
public event Action ImageProcessRequested;
public bool AutoGeneratePreviewImage { get; set; }
public Bitmap PreviewImage { get; private set; }
public List Presets { get; private set; }
public int SelectedPresetIndex { get; private set; }
public string FilePath { get; private set; }
private bool pauseUpdate;
private ISerializationBinder serializationBinder = new TypeNameSerializationBinder("ShareX.ImageEffectsLib", "ShareX.ImageEffectsLib");
public ImageEffectsForm(Bitmap bmp, List presets, int selectedPresetIndex)
{
pauseUpdate = true;
InitializeComponent();
ShareXResources.ApplyTheme(this);
PreviewImage = bmp;
if (PreviewImage == null)
{
AutoGeneratePreviewImage = true;
}
Presets = presets;
if (Presets.Count == 0)
{
Presets.Add(new ImageEffectPreset());
}
SelectedPresetIndex = selectedPresetIndex;
AddAllEffectsToContextMenu();
LoadSettings();
}
public static ImageEffectsForm GetFormInstance(List presets, int selectedPresetIndex)
{
if (!IsInstanceActive)
{
instance = new ImageEffectsForm(null, presets, selectedPresetIndex);
}
return instance;
}
public void EnableToolMode(Action imageProcessRequested, string filePath = null)
{
FilePath = filePath;
ImageProcessRequested += imageProcessRequested;
pbResult.AllowDrop = true;
mbLoadImage.Visible = true;
btnSaveImage.Visible = true;
btnUploadImage.Visible = true;
}
public void EditorMode()
{
btnOK.Visible = true;
btnClose.Text = Resources.ImageEffectsForm_EditorMode_Cancel;
}
public void ImportImageEffect(string json)
{
ImageEffectPreset preset = null;
try
{
preset = JsonHelpers.DeserializeFromString(json, serializationBinder);
}
catch (Exception e)
{
DebugHelper.WriteException(e);
e.ShowError();
}
if (preset != null && preset.Effects.Count > 0)
{
AddPreset(preset);
}
}
protected void OnImageProcessRequested(Bitmap bmp)
{
ImageProcessRequested?.Invoke(bmp);
}
private void AddAllEffectsToContextMenu()
{
AddEffectToContextMenu(Resources.ImageEffectsForm_AddAllEffectsToTreeView_Drawings,
typeof(DrawBackground),
typeof(DrawBorder),
typeof(DrawCheckerboard),
typeof(DrawImage),
typeof(DrawParticles),
typeof(DrawTextEx),
typeof(DrawText));
AddEffectToContextMenu(Resources.ImageEffectsForm_AddAllEffectsToTreeView_Manipulations,
typeof(AutoCrop),
typeof(Canvas),
typeof(Crop),
typeof(Flip),
typeof(ForceProportions),
typeof(Resize),
typeof(Rotate),
typeof(RoundedCorners),
typeof(Scale),
typeof(Skew));
AddEffectToContextMenu(Resources.ImageEffectsForm_AddAllEffectsToTreeView_Adjustments,
typeof(Alpha),
typeof(BlackWhite),
typeof(Brightness),
typeof(MatrixColor), // "Color matrix"
typeof(Colorize),
typeof(Contrast),
typeof(Gamma),
typeof(Grayscale),
typeof(Hue),
typeof(Inverse),
typeof(Polaroid),
typeof(Saturation),
typeof(SelectiveColor),
typeof(Sepia));
AddEffectToContextMenu(Resources.ImageEffectsForm_AddAllEffectsToTreeView_Filters,
typeof(Blur),
typeof(ColorDepth),
typeof(MatrixConvolution), // "Convolution matrix"
typeof(EdgeDetect),
typeof(Emboss),
typeof(GaussianBlur),
typeof(MeanRemoval),
typeof(Outline),
typeof(Pixelate),
typeof(Reflection),
typeof(RGBSplit),
typeof(Shadow),
typeof(Sharpen),
typeof(Slice),
typeof(Smooth),
typeof(TornEdge));
}
private void AddEffectToContextMenu(string groupName, params Type[] imageEffects)
{
ToolStripMenuItem tsmiParent = new ToolStripMenuItem(groupName);
tsmiParent.HideImageMargin();
cmsEffects.Items.Add(tsmiParent);
foreach (Type imageEffect in imageEffects)
{
ToolStripItem tsmiChild = tsmiParent.DropDownItems.Add(imageEffect.GetDescription().Replace("&", "&&"));
tsmiChild.Tag = imageEffect;
tsmiChild.Click += tsmiEffectClick;
}
}
private void LoadSettings()
{
if (Presets != null && Presets.Count > 0)
{
foreach (ImageEffectPreset preset in Presets)
{
ListViewItem lvi = new ListViewItem(preset.ToString());
lvPresets.Items.Add(lvi);
}
lvPresets.SelectedIndex = SelectedPresetIndex.Clamp(0, Presets.Count - 1);
}
UpdateControlStates();
}
private ImageEffectPreset GetSelectedPreset()
{
return GetSelectedPreset(out _);
}
private ImageEffectPreset GetSelectedPreset(out ListViewItem lvi)
{
int index = lvPresets.SelectedIndex;
if (Presets.IsValidIndex(index))
{
lvi = lvPresets.Items[index];
return Presets[index];
}
lvi = null;
return null;
}
private void AddPreset()
{
AddPreset(new ImageEffectPreset());
}
private void AddPreset(ImageEffectPreset preset)
{
if (preset != null)
{
Presets.Add(preset);
ListViewItem lvi = new ListViewItem(preset.ToString());
lvPresets.Items.Add(lvi);
lvPresets.SelectLast();
txtPresetName.Focus();
}
}
private void UpdatePreview()
{
if (!pauseUpdate)
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
Cursor = Cursors.WaitCursor;
try
{
if (AutoGeneratePreviewImage)
{
GeneratePreviewImage(24);
}
if (PreviewImage != null)
{
//Debug.WriteLine("Updating preview...");
Stopwatch timer = Stopwatch.StartNew();
using (Image preview = ApplyEffects())
{
if (preview != null)
{
pbResult.LoadImage(preview);
Text = string.Format("ShareX - " + Resources.ImageEffectsForm_UpdatePreview_Image_effects___Width___0___Height___1___Render_time___2__ms,
preview.Width, preview.Height, timer.ElapsedMilliseconds);
}
else
{
pbResult.Reset();
Text = string.Format("ShareX - " + Resources.ImageEffectsForm_UpdatePreview_Image_effects___Width___0___Height___1___Render_time___2__ms,
0, 0, timer.ElapsedMilliseconds);
}
}
}
}
finally
{
Cursor = Cursors.Default;
}
}
else
{
pbResult.Reset();
}
UpdateControlStates();
}
}
private void UpdateControlStates()
{
btnPresetRemove.Enabled = btnPresetDuplicate.Enabled = txtPresetName.Enabled = btnEffectAdd.Enabled = lvPresets.SelectedItems.Count > 0;
btnEffectClear.Enabled = btnEffectRefresh.Enabled = btnPackager.Enabled = lvEffects.Items.Count > 0;
btnEffectRemove.Enabled = btnEffectDuplicate.Enabled = lvEffects.SelectedItems.Count > 0;
}
private void GeneratePreviewImage(int padding)
{
if (pbResult.ClientSize.Width > 0 && pbResult.ClientSize.Height > 0)
{
int size = Math.Min(pbResult.ClientSize.Width, pbResult.ClientSize.Height);
int minSizePadding = 300;
if (size < minSizePadding + (padding * 2))
{
padding = 0;
}
size = size - (padding * 2);
if (PreviewImage != null) PreviewImage.Dispose();
PreviewImage = new Bitmap(size, size);
Color backgroundColor;
if (ShareXResources.UseCustomTheme)
{
backgroundColor = ShareXResources.Theme.BackgroundColor;
}
else
{
backgroundColor = Color.DarkGray;
}
using (Graphics g = Graphics.FromImage(PreviewImage))
{
g.Clear(backgroundColor);
if (PreviewImage.Width > 260 && PreviewImage.Height > 260)
{
using (Bitmap logo = ShareXResources.Logo)
{
g.DrawImage(logo, (PreviewImage.Width / 2) - (logo.Width / 2), (PreviewImage.Height / 2) - (logo.Height / 2));
}
}
}
}
}
private Bitmap ApplyEffects()
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
return preset.ApplyEffects(PreviewImage);
}
return null;
}
private void tsmiEffectClick(object sender, EventArgs e)
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
ToolStripMenuItem tsmi = sender as ToolStripMenuItem;
if (tsmi != null && tsmi.Tag is Type)
{
Type type = (Type)tsmi.Tag;
ImageEffect imageEffect = (ImageEffect)Activator.CreateInstance(type);
AddEffect(imageEffect, preset);
UpdatePreview();
}
}
}
private void RemoveSelectedEffects()
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
int index = lvEffects.SelectedIndex;
if (index > -1)
{
preset.Effects.RemoveAt(index);
lvEffects.Items.RemoveAt(index);
if (lvEffects.Items.Count > 0)
{
lvEffects.SelectedIndex = index == lvEffects.Items.Count ? lvEffects.Items.Count - 1 : index;
}
UpdatePreview();
}
}
}
private void ClearFields()
{
txtPresetName.Text = "";
lvEffects.Items.Clear();
ClearSelectedEffect();
UpdatePreview();
}
private void ClearSelectedEffect()
{
lblEffect.Text = Resources.Effect;
pgSettings.SelectedObject = null;
}
private void AddEffect(ImageEffect imageEffect, ImageEffectPreset preset = null)
{
ListViewItem lvi = new ListViewItem(imageEffect.GetType().GetDescription());
lvi.Checked = imageEffect.Enabled;
lvi.Tag = imageEffect;
if (lvEffects.SelectedIndices.Count > 0)
{
int index = lvEffects.SelectedIndices[lvEffects.SelectedIndices.Count - 1] + 1;
lvEffects.Items.Insert(index, lvi);
if (preset != null)
{
preset.Effects.Insert(index, imageEffect);
}
}
else
{
lvEffects.Items.Add(lvi);
if (preset != null)
{
preset.Effects.Add(imageEffect);
}
}
lvi.EnsureVisible();
lvi.Selected = true;
}
private void LoadPreset(ImageEffectPreset preset)
{
txtPresetName.Text = preset.Name;
lvEffects.Items.Clear();
ClearSelectedEffect();
foreach (ImageEffect imageEffect in preset.Effects)
{
AddEffect(imageEffect);
}
UpdatePreview();
}
#region Form events
private void ImageEffectsForm_Shown(object sender, EventArgs e)
{
this.ForceActivate();
pauseUpdate = false;
lvPresets.EnsureSelectedVisible();
UpdatePreview();
}
private void btnPresetNew_Click(object sender, EventArgs e)
{
AddPreset();
}
private void btnPresetRemove_Click(object sender, EventArgs e)
{
int selected = lvPresets.SelectedIndex;
if (selected > -1)
{
lvPresets.Items.RemoveAt(selected);
Presets.RemoveAt(selected);
if (lvPresets.Items.Count > 0)
{
lvPresets.SelectedIndex = selected == lvPresets.Items.Count ? lvPresets.Items.Count - 1 : selected;
}
else
{
ClearFields();
btnPresetNew.Focus();
}
}
}
private void btnPresetDuplicate_Click(object sender, EventArgs e)
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
ImageEffectPreset presetClone = preset.Copy();
AddPreset(presetClone);
}
}
private void lvPresets_ItemMoving(object sender, int oldIndex, int newIndex)
{
Presets.Move(oldIndex, newIndex);
}
private void lvPresets_SelectedIndexChanged(object sender, EventArgs e)
{
SelectedPresetIndex = lvPresets.SelectedIndex;
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
LoadPreset(preset);
}
}
private void txtPresetName_TextChanged(object sender, EventArgs e)
{
ListViewItem lvi;
ImageEffectPreset preset = GetSelectedPreset(out lvi);
if (preset != null)
{
preset.Name = txtPresetName.Text;
lvi.Text = preset.ToString();
}
}
private void btnEffectAdd_Click(object sender, EventArgs e)
{
cmsEffects.Show(btnEffectAdd, 0, btnEffectAdd.Height + 1);
}
private void btnEffectRemove_Click(object sender, EventArgs e)
{
RemoveSelectedEffects();
}
private void btnEffectDuplicate_Click(object sender, EventArgs e)
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
if (lvEffects.SelectedItems.Count > 0)
{
ListViewItem lvi = lvEffects.SelectedItems[0];
if (lvi.Tag is ImageEffect)
{
ImageEffect imageEffect = (ImageEffect)lvi.Tag;
ImageEffect imageEffectClone = imageEffect.Copy();
AddEffect(imageEffectClone, preset);
UpdatePreview();
}
}
}
}
private void btnEffectClear_Click(object sender, EventArgs e)
{
if (MessageBox.Show(Resources.WouldYouLikeToClearEffects, "ShareX - " + Resources.Confirmation, MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
lvEffects.Items.Clear();
preset.Effects.Clear();
ClearSelectedEffect();
UpdatePreview();
}
}
}
private void btnEffectRefresh_Click(object sender, EventArgs e)
{
UpdatePreview();
}
private void lvEffects_ItemMoved(object sender, int oldIndex, int newIndex)
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
preset.Effects.Move(oldIndex, newIndex);
UpdatePreview();
}
}
private void lvEffects_SelectedIndexChanged(object sender, EventArgs e)
{
ClearSelectedEffect();
if (lvEffects.SelectedItems.Count > 0)
{
ListViewItem lvi = lvEffects.SelectedItems[0];
if (lvi.Tag is ImageEffect ie)
{
lblEffect.Text = ie.GetType().GetDescription() + ":";
pgSettings.SelectedObject = ie;
}
}
UpdateControlStates();
}
private void lvEffects_ItemChecked(object sender, ItemCheckedEventArgs e)
{
if (e.Item != null && e.Item.Focused && e.Item.Tag is ImageEffect)
{
ImageEffect imageEffect = (ImageEffect)e.Item.Tag;
imageEffect.Enabled = e.Item.Checked;
UpdatePreview();
}
}
private void lvEffects_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyData)
{
case Keys.Delete:
RemoveSelectedEffects();
e.SuppressKeyPress = true;
break;
case Keys.F5:
UpdatePreview();
e.SuppressKeyPress = true;
break;
}
}
private void pgSettings_PropertyValueChanged(object s, PropertyValueChangedEventArgs e)
{
UpdatePreview();
}
private void btnPackager_Click(object sender, EventArgs e)
{
ImageEffectPreset preset = GetSelectedPreset();
if (preset != null)
{
if (string.IsNullOrEmpty(preset.Name))
{
MessageBox.Show(Resources.PresetNameCannotBeEmpty, "ShareX - " + Resources.MissingPresetName, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
string json = null;
try
{
json = JsonHelpers.SerializeToString(preset, serializationBinder: serializationBinder);
}
catch (Exception ex)
{
DebugHelper.WriteException(ex);
ex.ShowError();
}
if (!string.IsNullOrEmpty(json))
{
using (ImageEffectPackagerForm packagerForm = new ImageEffectPackagerForm(json, preset.Name,
HelpersOptions.ShareXSpecialFolders["ShareXImageEffects"]))
{
packagerForm.ShowDialog();
}
}
}
}
}
private void tsmiLoadImageFromFile_Click(object sender, EventArgs e)
{
string filePath = ImageHelpers.OpenImageFileDialog();
if (!string.IsNullOrEmpty(filePath))
{
if (PreviewImage != null) PreviewImage.Dispose();
PreviewImage = ImageHelpers.LoadImage(filePath);
FilePath = filePath;
UpdatePreview();
}
}
private void tsmiLoadImageFromClipboard_Click(object sender, EventArgs e)
{
Bitmap bmp = ClipboardHelpers.GetImage();
if (bmp != null)
{
if (PreviewImage != null) PreviewImage.Dispose();
PreviewImage = bmp;
FilePath = null;
UpdatePreview();
}
}
private void btnSaveImage_Click(object sender, EventArgs e)
{
if (PreviewImage != null)
{
using (Image img = ApplyEffects())
{
if (img != null)
{
string filePath = ImageHelpers.SaveImageFileDialog(img, FilePath);
if (!string.IsNullOrEmpty(filePath))
{
FilePath = filePath;
}
}
}
}
}
private void btnUploadImage_Click(object sender, EventArgs e)
{
if (PreviewImage != null)
{
Bitmap bmp = ApplyEffects();
if (bmp != null)
{
OnImageProcessRequested(bmp);
}
}
}
private void pbResult_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop, false) || e.Data.GetDataPresent(DataFormats.Bitmap, false))
{
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DragDropEffects.None;
}
}
private void pbResult_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop, false))
{
string[] files = e.Data.GetData(DataFormats.FileDrop, false) as string[];
if (files != null && files.Length > 0)
{
if (Helpers.IsImageFile(files[0]))
{
if (PreviewImage != null) PreviewImage.Dispose();
PreviewImage = ImageHelpers.LoadImage(files[0]);
UpdatePreview();
}
}
}
else if (e.Data.GetDataPresent(DataFormats.Bitmap, false))
{
Bitmap bmp = e.Data.GetData(DataFormats.Bitmap, false) as Bitmap;
if (bmp != null)
{
if (PreviewImage != null) PreviewImage.Dispose();
PreviewImage = bmp;
UpdatePreview();
}
}
}
private void btnOK_Click(object sender, EventArgs e)
{
DialogResult = DialogResult.OK;
Close();
}
private void btnClose_Click(object sender, EventArgs e)
{
Close();
}
#endregion Form events
}
}