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initial commit adding basic color picker

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This commit is contained in:
Malcolm Diller 2022-06-23 00:22:55 -07:00
commit 39f13c91d9
7 changed files with 111 additions and 12 deletions
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1
src/Greenshot.Base/Interfaces/DrawingModes.cs
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@ -24,6 +24,7 @@ namespace Greenshot.Base.Interfaces
public enum DrawingModes
{
None,
ColorPicker,
Rect,
Ellipse,
Text,

2
src/Greenshot.Editor/Controls/Pipette.cs
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@ -65,7 +65,7 @@ namespace Greenshot.Editor.Controls
/// <param name="hotspotX">Hotspot X coordinate</param>
/// <param name="hotspotY">Hotspot Y coordinate</param>
/// <returns>Cursor</returns>
private static Cursor CreateCursor(Bitmap bitmap, int hotspotX, int hotspotY)
public static Cursor CreateCursor(Bitmap bitmap, int hotspotX, int hotspotY)
{
using SafeIconHandle iconHandle = new SafeIconHandle(bitmap.GetHicon());
NativeIconMethods.GetIconInfo(iconHandle, out var iconInfo);

75
src/Greenshot.Editor/Drawing/Surface.cs
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@ -39,7 +39,9 @@ using Greenshot.Base.Interfaces;
using Greenshot.Base.Interfaces.Drawing;
using Greenshot.Base.Interfaces.Drawing.Adorners;
using Greenshot.Editor.Configuration;
using Greenshot.Editor.Controls;
using Greenshot.Editor.Drawing.Fields;
using Greenshot.Editor.Forms;
using Greenshot.Editor.Memento;
using log4net;
@ -61,6 +63,16 @@ namespace Greenshot.Editor.Drawing
/// </summary>
private int _counterStart = 1;
/// <summary>
/// The image used for the color picker cursor initialized once form has loaded
/// </summary>
private Cursor colorPickerCursor = null;
/// <summary>
/// The image used for the color picker cursor initialized once form has loaded
/// </summary>
private MovableShowColorForm _movableShowColorForm = new MovableShowColorForm();
/// <summary>
/// The GUID of the surface
/// </summary>
@ -483,6 +495,8 @@ namespace Greenshot.Editor.Drawing
_elements = new DrawableContainerList(_uniqueId);
selectedElements = new DrawableContainerList(_uniqueId);
LOG.Debug("Creating surface!");
MouseEnter += SurfaceMouseEnter;
MouseLeave += SurfaceMouseLeave;
MouseDown += SurfaceMouseDown;
MouseUp += SurfaceMouseUp;
MouseMove += SurfaceMouseMove;
@ -502,6 +516,7 @@ namespace Greenshot.Editor.Drawing
SetStyle(
ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.ResizeRedraw | ControlStyles.ContainerControl | ControlStyles.OptimizedDoubleBuffer |
ControlStyles.SupportsTransparentBackColor, true);
colorPickerCursor = Pipette.CreateCursor((Bitmap)new ComponentResourceManager(typeof(ImageEditorForm)).GetObject("colorPicker.Image"), 1, 14);
}
/// <summary>
@ -788,6 +803,7 @@ namespace Greenshot.Editor.Drawing
case DrawingModes.Path:
_undrawnElement = new FreehandContainer(this);
break;
case DrawingModes.ColorPicker:
case DrawingModes.None:
_undrawnElement = null;
break;
@ -1415,6 +1431,7 @@ namespace Greenshot.Editor.Drawing
private MouseEventArgs InverseZoomMouseCoordinates(MouseEventArgs e)
=> new MouseEventArgs(e.Button, e.Clicks, (int) (e.X / _zoomFactor), (int) (e.Y / _zoomFactor), e.Delta);
/// <summary>
/// This event handler is called when someone presses the mouse on a surface.
/// </summary>
@ -1473,7 +1490,14 @@ namespace Greenshot.Editor.Drawing
_drawingElement = null;
}
if (_drawingElement == null && DrawingMode != DrawingModes.None)
if (DrawingMode == DrawingModes.ColorPicker)
{
var color = _movableShowColorForm.Color;
var colorString = "#" + color.R.ToString("X2") + color.G.ToString("X2") + color.B.ToString("X2");
ClipboardHelper.SetClipboardData(colorString);
SendMessageEvent(this, SurfaceMessageTyp.Info, colorString);
}
else if (_drawingElement == null && DrawingMode != DrawingModes.None)
{
if (_undrawnElement == null)
{
@ -1612,6 +1636,32 @@ namespace Greenshot.Editor.Drawing
}
}
/// <summary>
/// This event handler is called when the mouse enters the surface
/// </summary>
/// <param name="e"></param>
private void SurfaceMouseEnter(object sender, EventArgs e)
{
if (DrawingMode == DrawingModes.ColorPicker)
{
_movableShowColorForm.Visible = true;
Focus(); // steal back focus after the movable form takes it
}
}
/// <summary>
/// This event handler is called when the mouse leaves the surface
/// </summary>
/// <param name="e"></param>
private void SurfaceMouseLeave(object sender, EventArgs e)
{
if (DrawingMode == DrawingModes.ColorPicker)
{
_movableShowColorForm.Visible = false;
}
}
/// <summary>
/// This event handler is called when the mouse moves over the surface
/// </summary>
@ -1619,6 +1669,11 @@ namespace Greenshot.Editor.Drawing
/// <param name="e"></param>
private void SurfaceMouseMove(object sender, MouseEventArgs e)
{
if (DrawingMode == DrawingModes.ColorPicker)
{
_movableShowColorForm.MoveTo(PointToScreen(new Point(e.X, e.Y)));
}
e = InverseZoomMouseCoordinates(e);
// Handle Adorners
@ -1631,7 +1686,18 @@ namespace Greenshot.Editor.Drawing
Point currentMouse = e.Location;
Cursor = DrawingMode != DrawingModes.None ? Cursors.Cross : Cursors.Default;
switch (DrawingMode)
{
case DrawingModes.None:
Cursor = Cursors.Default;
break;
case DrawingModes.ColorPicker:
Cursor = colorPickerCursor;
break;
default:
Cursor = Cursors.Cross;
break;
}
if (!_mouseDown) return;
@ -2101,6 +2167,11 @@ namespace Greenshot.Editor.Drawing
{
ConfirmCrop(confirm);
}
else if (DrawingMode == DrawingModes.ColorPicker && !confirm)
{
Cursor = Cursors.Default;
_movableShowColorForm.Visible = false;
}
else
{
ConfirmSelectedConfirmableElements(confirm);

27
src/Greenshot.Editor/Forms/ImageEditorForm.Designer.cs generated
View file

@ -60,7 +60,8 @@ namespace Greenshot.Editor.Forms {
this.panel1 = new NonJumpingPanel();
this.toolsToolStrip = new ToolStripEx();
this.btnCursor = new GreenshotToolStripButton();
this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
this.btnColorPicker = new GreenshotToolStripButton();
this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
this.btnRect = new GreenshotToolStripButton();
this.btnEllipse = new GreenshotToolStripButton();
this.btnLine = new GreenshotToolStripButton();
@ -327,7 +328,8 @@ namespace Greenshot.Editor.Forms {
this.toolsToolStrip.Renderer = new CustomToolStripProfessionalRenderer();
this.toolsToolStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.btnCursor,
this.toolStripSeparator1,
this.btnColorPicker,
this.toolStripSeparator1,
this.btnRect,
this.btnEllipse,
this.btnLine,
@ -362,10 +364,20 @@ namespace Greenshot.Editor.Forms {
this.btnCursor.LanguageKey = "editor_cursortool";
this.btnCursor.Name = "btnCursor";
this.btnCursor.Click += new System.EventHandler(this.BtnCursorClick);
//
// toolStripSeparator1
//
this.toolStripSeparator1.Name = "toolStripSeparator1";
//
// btnColorPicker
//
this.btnColorPicker.CheckOnClick = true;
this.btnColorPicker.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.btnColorPicker.Image = ((System.Drawing.Image)(resources.GetObject("colorPicker.Image")));
this.btnColorPicker.ImageTransparentColor = System.Drawing.Color.Magenta;
this.btnColorPicker.LanguageKey = "colorpicker_title";
this.btnColorPicker.Name = "btnColorPicker";
this.btnColorPicker.Click += new System.EventHandler(this.BtnColorPickerClick);
//
// toolStripSeparator1
//
this.toolStripSeparator1.Name = "toolStripSeparator1";
//
// btnRect
//
@ -1969,7 +1981,8 @@ namespace Greenshot.Editor.Forms {
private GreenshotToolStripMenuItem upOneLevelToolStripMenuItem;
private GreenshotToolStripMenuItem arrangeToolStripMenuItem;
private GreenshotToolStripButton btnCursor;
private ToolStripEx toolsToolStrip;
private GreenshotToolStripButton btnColorPicker;
private ToolStripEx toolsToolStrip;
private GreenshotToolStripButton btnArrow;
private GreenshotToolStripMenuItem drawArrowToolStripMenuItem;
private GreenshotToolStripMenuItem drawFreehandToolStripMenuItem;

13
src/Greenshot.Editor/Forms/ImageEditorForm.cs
View file

@ -285,7 +285,7 @@ namespace Greenshot.Editor.Forms
_toolbarButtons = new[]
{
btnCursor, btnRect, btnEllipse, btnText, btnLine, btnArrow, btnFreehand, btnHighlight, btnObfuscate, btnCrop, btnStepLabel, btnSpeechBubble
btnCursor, btnColorPicker, btnRect, btnEllipse, btnText, btnLine, btnArrow, btnFreehand, btnHighlight, btnObfuscate, btnCrop, btnStepLabel, btnSpeechBubble
};
//toolbarDropDownButtons = new ToolStripDropDownButton[]{btnBlur, btnPixeliate, btnTextHighlighter, btnAreaHighlighter, btnMagnifier};
@ -598,6 +598,9 @@ namespace Greenshot.Editor.Forms
case DrawingModes.None:
SetButtonChecked(btnCursor);
break;
case DrawingModes.ColorPicker:
SetButtonChecked(btnColorPicker);
break;
case DrawingModes.Ellipse:
SetButtonChecked(btnEllipse);
break;
@ -683,6 +686,12 @@ namespace Greenshot.Editor.Forms
RefreshFieldControls();
}
private void BtnColorPickerClick(object sender, EventArgs e)
{
_surface.DrawingMode = DrawingModes.ColorPicker;
RefreshFieldControls();
}
private void BtnRectClick(object sender, EventArgs e)
{
_surface.DrawingMode = DrawingModes.Rect;
@ -1295,7 +1304,7 @@ namespace Greenshot.Editor.Forms
private void RefreshFieldControls()
{
propertiesToolStrip.SuspendLayout();
if (_surface.HasSelectedElements || _surface.DrawingMode != DrawingModes.None)
if (_surface.HasSelectedElements || (_surface.DrawingMode != DrawingModes.None && _surface.DrawingMode != DrawingModes.ColorPicker))
{
var props = (FieldAggregator)_surface.FieldAggregator;
btnFillColor.Visible = props.HasFieldValue(FieldType.FILL_COLOR);

3
src/Greenshot.Editor/Forms/ImageEditorForm.resx
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@ -1086,6 +1086,9 @@
<data name="btnResize.Image" type="System.Resources.ResXFileRef, System.Windows.Forms">
<value>..\icons\resize.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
</data>
<data name="colorPicker.Image" type="System.Resources.ResXFileRef, System.Windows.Forms">
<value>..\..\Greenshot\icons\pipette.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
</data>
<metadata name="statusStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>551, 17</value>
</metadata>

2
src/Greenshot.Editor/Forms/MovableShowColorForm.Designer.cs generated
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@ -1,3 +1,5 @@
using System.Windows.Forms;
namespace Greenshot.Editor.Forms
{
partial class MovableShowColorForm