A tool to generate face images and animated gif files for different angles and lighting using only a single face image. Also includes Face Matcher using Microsoft Face API.

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GDI+

A Simple Sliding Puzzle

5 Mar 2023 by spidergeuse

Manipulate WinForms controls to make a simple jigsaw puzzle

.NET

GDI+

image

Recreating Gdiplus Hatches with SkiaSharp

28 Dec 2022 by Andy De Filippo

A simple technique to quickly port hatch effects from Gdiplus to SkiaSharp

GDI+

SkiaSharp

JSON

Drawing Rich Text with GDI+

14 Oct 2022 by Andy De Filippo

Render Rich Text with GDI+ by tapping into the power of API hooking

In your animationcontrol you say, "build the control" how?

6 Sep 2022 by OriginalGriff

Don't post this under Quick Answers - if you got the code from an article, then there is a forum at the bottom which allows you to talk to the author directly. The rest of us have no idea which of hundreds of thousands of articles you are talking...

GDI+

In your animationcontrol you say, "build the control" how?

6 Sep 2022 by Tony Springs

I can't figure out how you "Build the control" without having the .dll file. Moving the animation control to my new project does not work. thank you for your help. Tony What I have tried: I am trying to use the Animation Control to create...

GDI+

Removing certain colors from an image in C#

25 May 2022 by thehapiii

Hi there. I'm searching for an algorithm that can remove a range of defined colors from images with high accuracy .For i want it to be fast,the pointers must be used. Can anyone help me out? I have tried the following piece of code, but it's not...

GDI+

image

processing

3D Face Viewer and Matcher

19 Mar 2022 by Yang Kok Wah

A tool to generate face images and animated gif files for different angles and lighting using only a single face image. Also includes Face Matcher using Microsoft Face API.

Resize and Rotate Shapes in GDI+

9 Dec 2021 by Andy De Filippo

Draw a shape-like editor implementing the use of anchors to resize and rotate a selection rectangle

GDI+ multiple clip regions problem

13 Sep 2021 by Member 12827762

I wanted a region which was the union of 2 elliptical areas, slightly displaced from each other. When I added both these ellipses to a GraphicsPath, then the region constructed from this path excluded the intersection of the 2 ellipses, which...

.NET

GDI+

Gradient Color Picker - Revised Again

14 Jun 2021 by gggustafson

This article revises an earlier revision of the Gradient Color Picker (V2). The incentive for the revision was a reader request for a larger number of initial color choices.

A Control to Display Pie (and Doughtnut) Charts with Highly Customizable Formatting

14 Apr 2021 by Angelo Cresta

An extension of "A control to display pie charts with highly customizable formatting" from mattsj1984 that also renders doughnut.

.NET

GDI+

PngAnimation

1 Apr 2021 by Aleh Baradzenka

One of the easiest ways to animate images for your program

Gradient Color Picker V2

28 Mar 2021 by gggustafson

Revises an earlier implementation of the Gradient Color Picker

Touchscreen GDI+ Drawn Keyboard

16 Feb 2021 by practicalDeveloper

A custom drawn keyboard usercontrol and TextBox with keyboard popup

.NET4

Windows

GDI+

MELHARFI-2D-Game-Engine

8 Feb 2021 by Mohssine EL HARFI

2D Game Engine + Network Library + Path finding + Windows GUI + Mouse Event handler "ALL-IN-ONE"

.NET

Windows

GDI+

DICOM Image Viewer

24 Oct 2020 by Harsha T, Amarnath S, S Mahesh Reddy

A simple viewer of images stored in the DICOM 3.0 File Format (C#). The file should have raw pixel data, uncompressed. Window Level functionality is also provided.

qTimeLineEditor - A flexible graphical time line editor for your animations

19 Sep 2020 by sdancer75

A graphical time line editor to help you create and prototype animations. It is useful for adjusting variables and checking out how the effects change over time with keyframing and easing/twining functions.

Special 'Graphics' Objects to Draw Anywhere on Your Window

15 Aug 2020 by Mohammad Dehghan

Creating special 'Graphics' objects to draw anywhere on your window, including non-client area

A Fully Customizable Knob Control Without Images

17 Jul 2020 by honey the codewitch

Add a flexible knob control to your .NET projects

Updated AForge.NET DLLs to Accommodate .NET 4.6.1

21 May 2020 by Patrick Eckler

Updated AForge.NET Version 2.2.6

.NET

GDI+

Dev

Design WinForms Controls using Photoshop

2 Nov 2019 by Alaa Ben Fatma

Use your skills as a designer to create gorgeous control

.NET

.NET-Compiler-Platform

How do I load a large file using GDI+

9 Oct 2019 by garfieldzf

I have a large .tiff,about 2.2G, I want to change it to png or jpg in C#/GDI+,but when I load it,it throws "Parameter is valid","Array dimensions exceeded supported range". What I have tried: I try it like this: byte[] buffer = null; using (FileStream fs = new FileStream(file,...

C#7.0

GDI+

How do I load a large file using GDI+

9 Oct 2019 by OriginalGriff

You can't: Creating a File Mapping Object - Windows applications | Microsoft Docs[^] Quote: The size of a file mapping object that is backed by a named file is limited by disk space. The size of a file view is limited to the largest available contiguous block of unreserved virtual memory. This...

C#7.0

GDI+

Fast print BITMAP to printer (which can do bitblt) from win GDI C/C++

27 Sep 2019 by Member 14605311

I'd like to completely control modern color laser printer (which supports BitBlt) - to be able to print at any point=dot (say 600DPI) any of only 8 really available colors: Cyan Magenta Yellow blacK C+M=Blue C+Y=Green M+Y=Red (8th - white), bypassing both color-conversion and dithering...

Windows

GDI+

printing

Fast print BITMAP to printer (which can do bitblt) from win GDI C/C++

27 Sep 2019 by steveb

Printer has been abstracted away into the device context decades ago. So you write/draw to the printer in the exact same manner as you do it to the screen. You just use the 'Printer HDC' instead of 'Display HDC'. All the rectangles and coordinates will be that of the printer HDC. Just look up...

Windows

GDI+

printing

WestWorld v5

23 Sep 2019 by Terence Wallace

A continuing series demonstration of Finite State Machines (FSM) where agents inhabit a small town called WestWorld.

Image.fromfile() throws out of memory exception

30 Aug 2019 by ephrem33

I am trying to display a .tif image of 136MB size. But Image.FromFile(...) keeps on throwing out of memory exception I manually increased the size of the virtual memory to around 4GB but to no avail. I have checked image file to make sure that it is not corrupted and I can see the image...

GDI+

CropBox

21 Aug 2019 by Johnny J.

Easily add image cropping to your desktop application

How to change the style for scrollbar of panel C# as flat style ?

12 Jul 2019 by RickZeeland

Assuming you are using Winforms, there is no easy way to do this, but here is a CodeProject article that uses a UserControl to do this: How to skin scrollbars for Panels, in C#[^] And also: Enhanced Scrollbar[^]

GDI+

How to change the style for scrollbar of panel C# as flat style ?

12 Jul 2019 by Member 14315994

I wants to change my style of scrollbar in panel c# like the scrollbar of Visual Studio 2012 . Please if anyone can be help me and give me the code ,don't rate. and thank you. What I have tried: ...

GDI+

Hi, I start to learn draw shape with gdiplus, but how do I delete shape from canvas ?

23 May 2019 by Member 14430889

Dear All: i am new, i just start to learn draw shape with vs2012 c++ and Gdiplus about 5 weeks, i create a simple project to test, but when i draw polygon finish, i cannot delete any polygon which i selected from canvas, it not so easy like to delete a rectangle or a ellipse, only delete the...

Hi, I start to learn draw shape with gdiplus, but how do I delete shape from canvas ?

23 May 2019 by Richard MacCutchan

You should do all your painting/drawing to the screen in the function that handles the WM_PAINT message. Each time this function is called it should redraw all the shapes. When a shape is deleted you just remove it from the list of items to draw, and then call InvalidateRect to force a repaint...

LineNumbers for the RichTextBox

13 Apr 2019 by nogChoco

LineNumbers that dock to a RichTextBox or show as an overlay on top of it

Convert XAML to C#(GDI+) usercontrol

9 Apr 2019 by Le Khai Hoan

How to convert code xaml below to C#(GDI+). PLease> Thanks

XAML

GDI+

Convert XAML to C#(GDI+) usercontrol

9 Apr 2019 by Gerry Schmitz

You got "rectangles" and "path geometry" (a bunch of lines). Use the equivalent in GDI+. Pens, Lines, and Rectangles in GDI+ | Microsoft Docs[^]

XAML

GDI+

Convert XAML to C#(GDI+) usercontrol

9 Apr 2019 by Le Khai Hoan

T dont have a tool ! And i dont know line commands of xaml to c#.

XAML

GDI+

Convert XAML to C#(GDI+) usercontrol

9 Apr 2019 by Dave Kreskowiak

All this does is create a surface to draw on and starts drawing a bunch of stuff on it. You're going to have to convert this code by hand if you want to do it in Windows Forms. It's going to take a control to draw on, like a Panel, and a ton of drawing commands, like Graphics.DrawRectangle and...

XAML

GDI+

gGlowBox - Create a Glow or Shadow Effect Around a Focused Control (VB.NET)

28 Feb 2019 by SSDiver2112

A custom Panel that creates a glow effect around a child control or a drop shadow when it receives focus

Convert object's appearance to image

3 Dec 2018 by RickZeeland

Found a solution that also works when the Windows text size is not set to the default 100%, the PictureBox and other controls must be placed in a Panel: Bitmap printscreen = new Bitmap(panel1.Bounds.Width, panel1.Bounds.Height); panel1.DrawToBitmap(printscreen,...

GDI+

Convert object's appearance to image

2 Dec 2018 by mmbguide

hello I have a "PictureBox" with an image and a "Button" control which has been added to "PictureBox" controls. Now I want to save image of "PictureBox" with image which has been created from Button Appearance(Graphic + Text + ...) and save all as an single image. how can I change Object's...

GDI+

Convert object's appearance to image

2 Dec 2018 by mmbguide

thank you. I found following guide: Control.DrawToBitmap(Bitmap, Rectangle) Method (System.Windows.Forms) | Microsoft Docs[^]

GDI+

Convert object's appearance to image

2 Dec 2018 by OriginalGriff

An Image is a picture which is displayed in a Picture box, is all - any other controls you add to the PictureBox.Controls collection aren't actually drawn on the Image at all, they are drawn on the screen (or other Graphics context used to displaying the PictureBox) but do not in any way, shape,...

GDI+

Convert object's appearance to image

2 Dec 2018 by Richard MacCutchan

See Screen capture[^]

GDI+

How to create grayscale icon with correct transparency?

18 Nov 2018 by XTAL256

Hello, I have some code that uses GDI+ to convert an icon to grayscale*. However, when transparency (i.e. alpha channel) is involved, the resulting icon seems to use pre-multiplied alpha - rather than normal alpha - making the transparent pixels look darker. * Create GDI+ Bitmap from HICON,...

Graphical BinaryTrees

7 Oct 2018 by Mojtaba Hosseini

A graphical binary tree. Features: add, remove, or search for a node. Recursive algorithm has been used

Outline Text

13 Aug 2018 by Shao Voon Wong

How to draw a text with an outline

Outline Text - Part 2

13 Aug 2018 by Shao Voon Wong

Outline Text Part 2

PSAM Control Library

19 Jul 2018 by Ajcek84

WinForms library containing the IncipitViewer control for drawing musical notes

Music Notation in .NET

15 Jul 2018 by Ajcek84

Open source library for music engraving in desktop, mobile and web applications

Can I give the spacing or rotation angle of a C # GDI hatch brush?

27 Jun 2018 by Member 10193953

If HatchStyle is Horizontal, can I give Hatch interval or rotation angle? I tried searching, but I did not find any related issues. Below is the code I used. Source Code: GraphicsPath gPath = new GraphicsPath(); gPath.AddEllipse(DrawX, DrawY, DrawWidth, DrawHeight); GraphicsPath gPath =...

GDI+

Resize the rectangles

6 Apr 2018 by Richard MacCutchan

You need to capture the mouse button down, mouse move and mouse button up notifications. At each move you store the x and y co-ordinates, then when the mouse is released you can redraw the rectangle using the new co-ordinates. See Mouse Input Notifications (Windows)[^]

GDI+

Resize the rectangles

6 Apr 2018 by Member 13594414

I draw multiple rectangles on picturebox image . i want to resize that all rectangles using mouse in c# . Can anyone help me .. Thank You What I have tried: public List listRec = new List(); Graphics g; //private Graphics g; Point startPos; Point currentPos; bool drawing;...

GDI+

Gdi+ pen produces variable pixel-width lines?

23 Mar 2018 by KarstenK

There is some interpolation like dithering of the bits which got set. When you want pixel precise output you must take the resolution into account and round all data like your y to an full integer. Often are special bitmaps used to avoid this mess. When lines are in some angle the output must...

C++

GDI+

Gdi+ pen produces variable pixel-width lines?

23 Mar 2018 by SteveK2

Can someone explain how GDI+ coordinates work? I’m migrating a large MFC/C++ gdi-drawing program to use gdi+. The simplest way to get going was to create a Gdiplus::graphics object from a DC I’d already initialised, then move each element of drawing across in turn - taking care not to switch...

C++

GDI+

Asp.net generic error in GDI+ on image.save when splitting tiff image

11 Mar 2018 by nina4ever

to avoid GDI+ error, i used Microsoft Windows Imaging Components (WIC) instead. here is a good page with code to split and merge tiff Speed up Tiff file processing with Microsoft Windows Imaging Components (WIC) and here is the splitting method : public static void SPlitTiffWIC(string...

GDI+

ASP.NET

Asp.net generic error in GDI+ on image.save when splitting tiff image

11 Mar 2018 by nina4ever

Dear all, i use the following code in a web application (ASP.NET/C#) to split a tiff image: public void SplitTiffImage(string inputFilePath, EncoderValue format) { try{ using (FileStream fs = new FileStream(inputFilePath, FileMode.Open, FileAccess.Read) ) ...

GDI+

ASP.NET

Asp.net generic error in GDI+ on image.save when splitting tiff image

10 Mar 2018 by dkamble 10358990

general error occured at GDI+ , this error raise due image file references not closed properly and you are trying create or open same image. there for close image references at end of function. by calling Garbage collector. disposing image object .

GDI+

ASP.NET

GDI +. Fail to try to zoom in on the position of the mouse or pan the first time.

17 Feb 2018 by Harold Quintero Pineda

I hope you can help me. Event MouseDown ''' ''' Overwrites the MouseDown event of the base class of the control. ''' ''' Protected Overrides Sub OnMouseDown(e As MouseEventArgs) ' 'The current position of the...

GDI+

GDI +. Fail to try to zoom in on the position of the mouse or pan the first time.

17 Feb 2018 by Harold Quintero Pineda

Good afternoon everyone, the truth I've made head to this, but I do not know what to do. You see, I'm trying to create a control to draw with GDI + Engineering graphics (I'm a Civil Engineer), and everything went fine until the following happens: * When trying to make Zoom or Pan with respect...

GDI+

GDI +. Fail to try to zoom in on the position of the mouse or pan the first time.

17 Feb 2018 by phil.o

Wild guess: you could try to set the focus to the control before the first pan/zoom. yourControl.Focus()

GDI+

Beveled Panel with Shadow Effect - Now With Tabs

2 Feb 2018 by RickZeeland

This is an alternative for "Beveled Panel with Shadow Effect"

Fixing Inconsistent Stroke Width of Chinese Characters

29 Jan 2018 by Shao Voon Wong

Fixing Inconsistent Stroke Width of Chinese Characters

RoundedButton Control - Demystifying DrawArc

21 Jan 2018 by RickZeeland

This is an alternative for "RoundedButton Control - Demystifying DrawArc"

Winforms Transparent Background Image with Gradient Alpha Colors

11 Jan 2018 by Jesusfan

Create a draggable, proper splash screen in DotNet, with gradient transparency!

Why the use of GetPixel and SetPixel is so inefficient!

8 Jan 2018 by morzel

Couple of seconds to process a one megapixel picture… what the hell?

GDI+

Dev

OpenCV

Fast Pixel Operations in .NET (With and Without unsafe)

8 Jan 2018 by morzel

Using GetPixel or SetPixel for all but tiniest images is a terrible idea. Stop using these methods and make your code over 300 times faster!

.NET

GDI+

Dev

A generic error occurred in GDI+. When I print a crystal report using unicodes(sinhala)

21 Oct 2017 by OriginalGriff

We can't solve it for you - we don't have any access to your coe or data, both of which are needed to solve this. So, its going to be up to you. Put a breakpoint on the first line in the function, and run your code through the debugger. Then look at your code, and at your data and work out what...

GDI+

CrystalReports

Dialog box drawing issue in windows XP

20 Oct 2017 by NoviceCoder871987

I have a weird issue with Dialog box on Windows XP it doesn't draw correctly, The listview doesn't redraw unless i do some thing that forces repaints like clicking on the size boarders then the listview show. But if i move the application somewhere on screen it goes hidden again. This picture...

Dialog box drawing issue in windows XP

20 Oct 2017 by NoviceCoder871987

Issue is fixed by using SetParent on listview and the parent set is the main dialog and when switching between tabs using SetParent to return the parent of listview to the sub dialog so the code still hide it with ShowWindow. Now the Listview always show on top. No flickering. Very good.

Where can I find value for encodersaveascmyk(gdi+)

3 Oct 2017 by Member 13443626

Where can i find value for EncoderSaveAsCMYK? As well the others one. Thanks. What I have tried: Searching it in documentation on msdn.

GDI+

Where can I find value for encodersaveascmyk(gdi+)

3 Oct 2017 by Richard MacCutchan

Image Encoder Constants (Windows)[^]

GDI+

FreeCal - GPIB Instrument Automation for Metrology Test and Measurement

4 Sep 2017 by Scott Page

FreeCal is a free 100% .NET suite of utilities and instrument drivers for controlling multiple instruments in a Test and Measurement environment.

How do I make location and size of button change with picture box size

12 Aug 2017 by fwloveme

Now I have a picturebox in a window form,and I placed many buttons on the picturebox.I have accomplished of changing the picture size by sliding the Mouse middle button,but I don't know how to make all buttons change together with picturebox,including button's location and size. Who can give me...

GDI+

How do I make location and size of button change with picture box size

12 Aug 2017 by Kornfeld Eliyahu Peter

Manage WinForm controls using the Anchor and Dock properties - TechRepublic[^]

GDI+

Beveled Panel with Shadow Effect

8 Aug 2017 by practicalDeveloper

A panel that has rounded borders, gradients, edges/bevels and a shadow

Theme GDI+ C++ how to create theme

14 Jul 2017 by Member 11346124

I find .Net Theme Created using GDI+. i am looking for Creating theme using GDI+ C++. where can i find tutorial. i Googled it but i only find draw line and such which are not i am looking for or i guess i need tutorial or help. Any suggestion or guide highly appreciated! ThanksWhat...

Theme GDI+ C++ how to create theme

14 Jul 2017 by KarstenK

At first a theme is an installation package with some defined content. Her you find the Theme File Format described from Microsoft. Developing an own theme is a big task. I think the basics are handled in the in the outstanding article Custom Controls in Win32 API: Visual Styles and some good...

Change color for a picture, but only changed half

15 Feb 2017 by Cynnie Jia

Re paste a complete code:private void Adjust(Bitmap pBitmap, params int[] pValues) {Prepare(pValues); BitmapData pBitmapData = pBitmap.LockBits( new Rectangle(0, 0, pBitmap.Width, pBitmap.Height), ImageLockMode.ReadWrite, ...

GDI+

Change color for a picture, but only changed half

14 Feb 2017 by Jochen Arndt

Note that the BitmapData.Stride Property (System.Drawing.Imaging)[^] will be negative with bottom-up bitmaps. So you have to use the absolute value:int iStride = Math.Abs(pBitmapData.Stride);byte[] pData = new byte[iStride * pBitmapData.Height];int iOffset = iStride - pBitmapData.Width *...

GDI+

GT: A C++ Graphical User Interface Library and System

13 Feb 2017 by trident99

GT is a compact, efficient, and customizable graphical user interface (GUI) library for the Windows environment.

Build My Own 3D Graphics Engine Step By Step

1 Feb 2017 by Mr. xieguigang 谢桂纲

How to build my own 3D graphics engine from ZERO step by step

A Beautiful Magnifying Glass Effect of Image in WinForm

12 Jan 2017 by Dean Feng

Use common panel and GDI+ to achieve a magnifier effect of image in winform.

Create Pie Chart Using Graphics in C# .NET

12 Jan 2017 by hari19113

This article shows how to create a Pie chart using the Graphics class in C#.

A question about the efficiency of GDI+.

26 Dec 2016 by xuyunhai20160827

I met a question about the efficiency of GDI+.There are several variables and methods as below:1.points, such as A(Represents a coordinate point, such as X Y Z), B, C, D, E, etc.2 List named Cmd1, used to add points by thread3.paint method, in this method, the set of points...

.NET

GDI+

C++ - GDIPLUS::image::save(*istream): how can I save a gif file?

6 Dec 2016 by cambalinho

i have these code for save a gif file: friend std::ostream& operator

C++

GDI+

Win32

C++ - GDIPLUS::image::save(*istream): how can I save a gif file?

6 Dec 2016 by KarstenK

You must set the transparent color in the original picture or in the encoder if possible.I found another solution on MSDN.

C++

GDI+

Win32

GDI+ and desktop interaction

11 Nov 2016 by 5everin

This isn't really a coding question, more me trying to understand why the below is happening. Though if someone can provide a solution that would be fantastic.I've written a screensaver using Winforms and GDI+ that draws shapes to a manually controlled buffer then renders the finished image...

.NET

GDI+

GDI+ and desktop interaction

11 Nov 2016 by Dave Kreskowiak

Instead of making a hole through the form, take a screen shot of the Desktop and then use that as the first image you paint on your form, then paint your other graphics on top of it. No transparency needed at all.

.NET

GDI+

.NET Canvas for Network visualization

4 Nov 2016 by Mr. xieguigang 谢桂纲

.NET language Canvas control for Interactive visualizing network data.

Fast SIMD Prototyping

30 Oct 2016 by Shao Voon Wong

Prototype SIMD vectorized code effortlessly.

Direct2d vertex shaded triangle / rectangle equivalent of GDI+ graphicspath

28 Sep 2016 by chiona

So I've been working on an unmanaged C++ 2D MFC system in Visual Studio 2013 using GDI+ (Document View architecture). I need simple shapes shaded from each vertex of the shape - either a triangle with a color in each corner, blending those colors to the interior, or a rectangle doing the...

ManhattanPlot

25 Aug 2016 by Mr. xieguigang 谢桂纲

Manhattan plot in VisualBasic, application of the cross platform VisualBasic in the data science

VisualStudio-Like TabControl

23 Aug 2016 by Alaa Ben Fatma

Inherits the awesome style of Visual Studio's TabControl for better exploiting

How do I create editing canvas to draw draft pettern

7 Aug 2016 by ANKIT KHOKHAR

Hello, I am creating a cad application to create pettern draft. But this thing(draw) is new to me so i dont kown how can i achive this.I want to create a vertical hexagonal grid and map each hex with index. Then i draw a straight line from top to bottom then user can edit that line by...

Rendering Transparent PNGs with C# and Windows Forms

7 Aug 2016 by User 9149614

Preserving alpha channel drawing transparent PNGs

Basic Illumination Model in C#

15 Jul 2016 by andalmeida

Basic illumination model in C#.

[tut 9] hand tool (part 2) navigator panel

3 Jul 2016 by The Zakies

we will continue the functionality of the hand tool with having a navigator panel which works as a map, we will also have a red rectangle which tells the user where he is actually viewing inside the whole form, also it can be moved to pan the form

Matrix Transformation of Images using .NET GDI+

1 Jul 2016 by Yang Kok Wah

Use of GDI+ Matrix class to perform image transformation.

[tut 8] Hand tool

29 Jun 2016 by The Zakies

we would create Hand_tool to pan through the drawing form, and we would use a custom cursor of open and closed hands

[tut 7] Drag & Drop points in lines

24 Jun 2016 by The Zakies

in this tut we will create a technique to enable the user to control points within a drawn line, by drawing circles around points of the line , when the user clicks a circle he would control the corresponding point.