Gdiplus load png. But I wanted to use my own ttf fonts for the texts.
Gdiplus load png #include <windows. But, I can't seem to find any good info on loading files with extensions other than ". uses GDI+ API functions to Use operating-system texture loading. Well, GDI+ can easily create an HBITMAP from PNG data in an IStream or file, but going from a resource to an IStream takes some work. You can use the Image class to load and display raster images (bitmaps) and vector images (metafiles). Main Menu Home; Search; February 11, 2025, 10:23:04 PM. Hopefully my code will help you guys decipher what is going on. For example, you can IWICBitmapSource * LoadBitmapFromStream(IStream * ipImageStream) { // initialize return value IWICBitmapSource * ipBitmap = NULL; // load WIC's PNG decoder You can construct Image objects from a variety of graphics file formats: BMP, GIF, JPEG, Exif, PNG, TIFF, WMF, EMF, and ICON. Commented May 4, 2013 at 10:59. Hi Everyone, When I do the following: Image *pngFromFile = Image::FromFile( L"C:\\Visine4. Gdiplus::Image from byte array. Louis Solomon [SteelBytes] 2004-05-27 03:12:04 UTC. Use GetIconInfo to get the ICONINFO. If you haven’t used GDI+ before, look at the source code of the demo project and read this article: Starting with GDI+; Features. png" ); Any attempt to draw that into a Graphics context results in the dithering effect seen in the attached "dither. You'll need to know, in your environment, how to: load a PNG with transparency into memory; how to draw colors onto a transparent image properly, and how to do a "paint bucket"-style fill. 5 Bitmap::FromFile method returns NULL on x86. Is there any control that VB6 provides? If not, is there some workaround that I can load PNG image? Your code In this article. 2; TIFF (Tagged Image File Format), TIFF Specification 6. I have an feeling that the dithering If you're loading the images from a resource file, then no, you can't use PNGs, you have to use ICOs. What you could do is: Use LoadIcon to load the icon. png",false); The Program complies however, in debugging myImage says outOfMemory when it tries to load in the image and bitmap says invalid parameters when it tries to load in the image. Syntax Bitmap * FromResource( [in] HINSTANCE hInstance, [in] const WCHAR *bitmapName ); Parameters [in] hInstance. Looking at the definition for thoses values here, The following console application loads a BMP image from a disk file, converts the image to the PNG format, and saves the converted image to a new disk file. The following example constructs Image objects from a variety of file types and then I've written a small function that will allow you to load JPG/PNG images from resource using GDI+: Code Select Expand gdiplusLoadBitmapFromResource, hInstance, Hi guys I have tried to figure out how to load . You might be able to use a color Apparently LoadIcon does load the alpha correctly. Initialize GDI+ by calling GdiplusStartup. I have included gdiplus. Grayscale Image; The class will automatically create a grayscale image from the loaded resource. PNG, tried with my LoadPic() using OleGraphic that works with other formats, but it failed on PNG. which is shown in Retrieving the Class Identifier for an Encoder. I remember in the distant past that there was a technique for storing JPG or PNG files as resources which could then be loaded in BMP format for display. e. About; Products GDI+ Load a jpg and save as 24bit png problem. It's free of MFC and can be used straight away to draw PNG images in a window. FromFile("x. Width, png. Two methods to load PNG images. 283185307 #define PIHALF vc++ loading transparent png image method-GDI+ and CImage two. The IStream can be used to initialize a Gdi+ To function, all GDI+ objects require that GDI+ be in an initialized state. No need to download GDI+ separately for VS platform. To review, open the file in an editor that reveals hidden Unicode characters. . Height, PixelFormat. 2. What is the modern/standard way of doing this and extracting the data? I am currently writing an application in C++ that uses OpenGL as the graphics engine (I chose it for the faster development time compared to Vulkan, even though I really want to GDI+ is part of the Microsoft Windows SDK, and it needs to be initialized when the application starts up. 0 c++ GDI Bitmap doesn't want to load. Viewed 4k times 4 . lib' to your linking Make sure you have GdiplusStartup(&token,&startupInput,NULL); in your initialization Take a look under the GDI+ section on codeproject. DrawImageUnscaled(png The subroutine below is an example of code you can execute in design-mode to load PNG images into userforms/userform controls. If you follow the instructions in the answer, you'll see what they're actually doing is Using GDI+, I'm trying to create a brush with a PNG as the image that is loaded from the resources. Ask Question Asked 15 years ago. Loads an image (JPG, BMP, PNG, etc. 0 I'm trying to load a png to my button, but it's not showing the png in my button. I don't think LoadBitmap or any other plain GDI function (such as LoadImage) will load a PNG. Stack Overflow. I can't get GDI+ to load cursors, but changing the ICONDIR to fool GDI+ into thinking cursors are icons, the job can be done. dll library, which is available since Windows XP. Problem. I finally got it working where it Could you please elaborate on how to use GDI+ to do the same. You can nuke them by changin the first one, the NULL to 0, the second one can be neutered by putting (wchar_t*) immediately preceding the capital L. The Image class implements GdiplusBase. You can save your resource to a 32-bit BMP with an image editing tool and then use LoadImage with LR_CREATEDIBSECTION. I understand modifying my code would be lots of work but I do wonder If you can show your sample when loading the image from file instead of a screenshot as I get really confused by as to where to add in my image since im not doing any screenshots. h header file and also added Gdiplus. If you're loading image files at runtime, then you can load any type of image format you want Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The problem is trying to convert the gdi+ Bitmap to a png (in memory) to get the data out of it and send it to the server. All help is much appreciated. Loads an image using GDI+ ' Returns : The image loaded in a StdPicture object ' Author : Eduardo A. It worked great until I ran it on Vista machines. P. I would like to be able to select PNG images that can be used as the background of the the main MFC window. h> using namespace Gdiplus; INT GetEncoderClsid(const WCHAR @bobobobo That answer is wrong, or at least very misleading. First of all we need to set a Extended control in CreateWindowsEx with the first attribute defined with WS_EX_LAYERED // Create the application window CreateWindowEx( WS_EX_LAYERED, L"WindowClass", L"CAPTION", WS_POPUP, 500, //x 500, //y Width, Source code for Loading JPEg,GIF,PNG using GDIplus (for DDT and SDK) 11 May 2011, 11:23 PM. (PaletteFlags and PaletteCount) ' GDI+ functions Private Declare Function GdipLoadImageFromFile Lib "gdiplus. : You need to call GdiplusStartup before creating any GDI+ object or calling any GDI+ function. But if I want to just decode a jpeg file (already loaded into . If you want to use it copy the code from the site. You should be able to use SHCreateStreamOnFileEx to open an IStream on the file. Hope it is useful. I have code which load png images to picture control. It will call the GdiPlus. png"); Gdiplus::Bitmap* bitmap = Bitmap::FromFile(L"flag. All the examples I found, use Bitmap Draw, which loses transparency. – Tom. I am I am comparing both the loaded from PNG resource bitmap and the temporary bitmap, and they only differ in the DPI and Flags. Freeware Opensource component, licensed under a MPL/GPL/LGPL tri-license. Among the things that I wanted to do was to load a PNG resource and apply a Color Conversion to it when drawing it to the Graphics object. LoadIcon is a wrapper around LoadImage, and neither one can load PNGs. See its documentation here. From the beginning, the first step was to create a basic desktop app Since the app Visual Studio creates does not include a Window class definition, I declared the bitmap as a Hello community ! to keep it short Problem: If I minimize my GUI incl. png is in the project folder. lib' & 'gdiplus. It would appear that the problem is GdiPlus not respecting the alpha when you construct a GdiPlus::Bitmap from an HICON. Fortunately, there are a number of tools that can convert PNGs into ICOs, including ImageMagick (great for automation), and MSPaint as a lowest common denominator. I have no problem using the Bitmap pbject constructor to load a bmp I have started to toy around with GDI+ in Delphi 2009. Our freeware SynGdiPlus unit implements TGraphic descendants able to load and save GIF, TIF, PNG and JPG pictures, using the GDI+ library. However if I use the value returned from Image::GetPixelFormat(), it tells me that the pixelFormat is PixelFormat32bppARGB. Create an image object based on a file. 141592654 #define TWOPI 6. png images the proper way with GDI+ , its my understanding that I need to create a bitmap , canvas but to be honest I dont The Gdiplus:Image class supports Image objects from a variety of file types including BMP, ICON, GIF, JPEG, Exif, PNG, TIFF, WMF, and EMF. You could then use CreateCompatibleDC, SelectObject, and BitBlt to display it in the target HDC. bmp". After loading your bitmap you can safely delete the stream and then the temporary file. LoadPictureGDI ' I want to load PNG(Portable Network Graphics) image on the PictureBox or Image control but failed. I would like to load PNG resource to TGPImage. Tested: I allraedy searched for solutions in this and other forums, For 1. png", GDI+ load PNG image, Programmer All, we have been working hard to make a technical sharing website that all programmers love. Add GDIplus to the MFC project and report as soon as it is compiled. Windows GDI+ provides the Image class and the Bitmap class for storing images in memory and manipulating images in memory. Skip to main content. GDI+ in Windows XP and up has built-in texture loading for a few formats like PNG and JPEG, and I don't know for certain, but other OSs might have similar features. I am trying to load a grayscale PNG file using GDI+ on Windows 7/64bits Pro. Gdiplus::Graphics graphics(dc); graphics. I had an old copy of LeadTools and the open source libraries for both formats, but wanted my executable to be as The Bitmap class, which inherits from the Image class, provides more specialized methods for loading, displaying, and manipulating raster images. Assuming that you want to load a PNG file (located at "D:\sample. Everything works fine on a 32bit installation of Microsoft Office 2021, however, when using the workbook on a system with 64bit installation of Microsoft Office, the images are not being displayed (the download code works fine on 32bit/64bit). The pixel format END TYPE TYPE GdiplusStartupOutput NotificationHook AS DWORD NotificationUnhook AS DWORD END TYPE DECLARE FUNCTION GdipCreateBitmapFromFile LIB "GDIPLUS. While I haven't ever tried it, you should be able to use StretchDIBits to display the PNG thanks for your reply nine , my searching have brought me this direction as well. png") into a label control (called Label1) on userform (called UserForm1), execute the following command in the Immediate Window: How can VB6 draw transparent PNG images without using GDIPLUS, and how can it achieve anti-aliasing and prevent the edges of transparent buttons from being rough? Dim hdc As Long Dim hBitmap As Long Dim bmpInfo As BmpInfo Dim bmpInfoHeader As BmpInfoHeader ' Load PNG image hBitmap = LoadImage(0, "path_to_image. Gdiplus::Image image(L"C:\\Logo. March 28th, 2007, 06:24 AM #5 GDI+ for this, but this works more slowly, I think a good way to do that is to use other image lib on codeguru. Hutch provided the original Icon ( wrench screwdriver ) Now we can create really small icons. Or you can use a library that will load the PNG file into a DIBSECTION. 2 Gdiplus::Image from byte array. : GetEncoderClsid is not a library function, it is an example helper defined here. you will need to add 'kernel32. Works from Delphi 3 to 2010. (Note: If I load the file by it's filename, rather than by resource, it works. There's a good article here about how to do that. Any clue on how to do achieve this? My app is non-MFC and non-ATL, pure Win32. Downloaders recently: [More information of uploader jalin168] To Search: File list (Check if 现在我们有了一个指向图像数据的IStream指针，我们可以使用WIC加载该图像了。 此过程中的一个重要步骤是使用 WICConvertBitmapSource 来确保图像采用32bpp格式，适合直接转换为DIB。 此方法假定输入图像为PNG格式； 对于启动屏幕，这是一个绝佳的选择，因为它允许使用alpha通道以及对源图像进行无损压缩。 I am trying to load a few PNG images into an WinAPI ImageList, as icons for the elements to show in a ListView. When compiled on VS 2008, I found that inserting code into the IStream::AddRef method, such as a cout, made the problem go away. This code loads the image and then converts it to a StdPicture object to use it in Visual Basic controls. To be more precise about GdiplusShutdown because that seems to Hi I am using VS 2012 and making a app which displays several texts via GDI+ DrawText. If you call CreateStreamOnHGlobal(NULL, TRUE, &stm), where stm is an IStream* variable, it will basically give you a 3. If it doesn't, you'll probably have to load the resource manually using LoadResource() then create the Gdiplus::Image object from a stream. png") ; Gdiplus::Graphics* graphics = Gdiplus::Graphics::FromHDC(GetDC(hWnd)); RectF ImgRect(0,0,y3/10,y3/10) ; Gdiplus::Status result = graphics->DrawImage(&image, ImgRect); Load PNG/JPEG from resource using GDI+. We can construct a png image object as 最近开发项目需要使用GdiPlus+PNG图片的方式，实现窗口半透明效果。在网上DOWN了一些SAMPLE后，发现载入PNG图片后，直接delete掉Gdiplus::Image::FromStream In this article. Here is what I have, _SetBitmapResize -> merge of _SetBitmap and _ImageResize (does not work) It is possible to use GDI+ to load a variety of image formats with alpha - PNG is probably the best to go for, and blit onto a 32bpp DIBSection so you can use AlphaBlend and plain-old GDI functions. _GDIPlus_BitmapCreateFromMemory. News: MASM32 SDK Description, downloads and other helpful links MASM32. Modified 15 years ago. Definition GDI+ provides a Image class, and you can use this class to read a image file with one format and then save this file to another format. Is like the color depth is reduced or something. lib as a reference to the project. Inheritance. via WIC, via GDI+, via WinRT, via WIA, via IShellItemImageFactory, via ITranscodeImage etc etc. Can u give me some sample code? Thanks,-----Reji Dasan, Technical Analyst, Bangalore, India. GDI+ writes images to disk files with the help of image encoders and loads images from disk files with the help of image decoders. After you have created an Image object, pass the address of that Image object to the DrawImage method of a Graphics object. If I label the PNG file in the resource file as a BITMAP, it returns an error, and if I label it as PNG, then nothing is loaded into the Bitmap object in the main code. So I added the ttf files to the resources and made an BINARY Object out of this ttf files. Hope that helps. The code works perfectly for loading JPeg,GIF and PNG images and returning an API Bitmap handle. GDI+ is relied upon to parse/load TIF and PNG. I want to share how to enable trasparency on a windows with PNG image using WINAPI and GDI+. steelbytes. (Btw your link explicitly states this. e. 0 GDI+ Image class problem. This can be a nice way to reduce dependencies if you prefer using OS features over external libraries. 100 RCDATA "image. I developed a small program in MFC that can display shapes and move them around. When compiling with VS 2010, it still crashes regardless of that. ) I made a print preview control. Afterwards I just have to set the IPicture object to the Picture property of the control. Following example results just in black picture: png; gdi+; embedded-resource; Share. Crashes every time. g. h> #define NUMSEGS 1000 #define PI 3. ) which is saved as a binary string and converts it to a bitmap (GDI+) or hbitmap (GDI) GDI+, Gdiplus Image Loading and Saving PNG or JPG Raw GDI+PNGJPG. Learn more about bidirectional Unicode characters Here something I cooked up to load bitmaps or icons and save them as PNG icons using GdiPlus. Thirdly, when I change the background on around line 114, as you suggested, the output is unchanged. _GDIPlus_ImageLoadFromFile. I am trying to read the image data from a PNG file using Image class in GDI+ and VC++ 2008. png"); // Create a Bitmap of same size as png with the right PixelFormat Bitmap bmp = new Bitmap(png. Always nice to share what was fun to learn. Does anyone know how I can load or draw this image in a particular way so that the drop shadow is displayed "nicely". If it is being downloaded to a byte array, a stream can be created from the byte array and GDI+ can use a different API . Provide details and share your research! But avoid . So the image IS loading just fine and I can WRITE in that directory. Option Explicit Option Private Module Private Type GUID Data1 As Long Data2 As Integer Data3 As Integer Data4(0 To 7) As Byte End Type Private Type PICTDESC Size As Long Type As Long hPic As Long hPal As Long End Type Private Type GdiplusStartupInput GdiplusVersion As Long In this article. The resource flag. If I convert this PNG to JPG and/or TIFF it now tells me that the pixelFormat is now PixelFormat8bppIndexed. Code: For a = 0 To Take a look at Bitmap::FromStream. It works well for me but it is not fast enough. h> #include <stdio. Storing the JPG or PNG files as resources or any of the alternatives is simple enough but what I forget is the technique to load them as bitmaps so you can use them for toolbars, background Edit -----First parameter in Gdiplus::GetHBITMAP should be the background color. Png loading. lib' 'ole32. h> #include <gdiplus. And hopefully it will give you the info that your after. The MASM Forum Archive 2004 to 2012; General Forums; The Workshop; I wrote something to load PNG files from a custom C++ IStream via GDI+. The The below code worked for me. :) Yup, I get those two warnings too. When using ARIAL font, text looks okay, no problems. Syntax Image * FromFile( [in] const WCHAR *filename, [in] BOOL useEmbeddedColorManagement ); Parameters [in] filename The networking is also easy for me. Permalink. dll" (ByVal FileName As Long, GpImage As Long) As Long 'Load Png (Bubbelbilden) to Picture Control Sub PngPictureLoad(PathFilename As String, PictureControl As PictureBox, AutoResize As Boolean) Dim Token As Long I have a user form that displays an image (downloaded using another standard VBA module). GDI+ is a requirement for the class. To display a raster image (bitmap) on the screen, you need an Image object and a Graphics object. 3. 3 Get an Image/Bitmap from a device context or graphics object in gdiplus (GDI+) An Image object encapsulates a bitmap or a metafile and stores attributes that you can retrieve by calling various Get methods. " TEXT( "PropertyNotFound: Indicates that the specified Recently, I needed to display some JPG and PNG files. TLDR: FindResource, LoadResource, and LockResource to get a pointer to the image bytes. GDI+ Drawing PNG (Portable Network Graphics), PNG Specification 1. Asking for help, clarification, or responding to other answers. I do this with Gdiplus and the problem I have is that the quality is awful. -- Pete. jpg". The problem is that the resulting image has a bit depth of 32 bits. com New Forum Link masmforum WebSite. This is Using GDI+ you can load BMP, GIF, TIFF, JPEG and PNG files. I used GDI+ for pictures. SDK'ers get perfect working code. I can render image using below code. Thanks for confirming it. The Steps are: 1. The Graphics object provides Hi all, I've been searching all day for a way to load a 32-bit png image from a ressource in my app (from it's ID) and draw it in the specified device context, while keeping alpha transparency? I tried numerous things but none of them works (Win GDI, GDI+). There is only 1 line of code: GdipSaveImageToFile() which doesn't work I and don't know to debug this line. Format32bppPArgb); // Create a graphics object which draws to the bitmap Graphics g = Graphics. Have you tried to load such an icon with GdiPlus? 2) No, there are 2 dwords in front of the color palette. Also see the WIC Viewer GDI+ sample app. Using RGB(0, 0, 0) as background color causes the semi-transparent pixels to match with black. FromImage(bmp); // Draw the png to the bmp g. But when I Can anyone point me to a good tutorial on loading jpg's, png's, tif's, etc? I have been studying bitmaps and BLT functions. GDI+ will load PNG and JPG in addition to BMP. hi, I want to draw a bitmap, as simple as that. Hi guys, I want to create a graphic set the background color On the background I want to draw a transparent PNG file Write a text below the image from the PNG file Width of the resulting graphic should be determined by the width of the PNG file Height of the resulting graphic should be determined I don't know if loading it as a Gdiplus::Image with the resource ID will then still work. I have up to 80 largish PNG images to load into a single image object containing all 80 images. Pass the name of a file (or a pointer to a stream) to an Image constructor. It's fast and reliable. Improve this question. 0; All codecs can both load and save the specific image format, except the ICO codec which can only load icon files and not save them. But it's better to change the background to Just want to load a . Create a meta DC: GDI+ crashes when loading PNG from IStream. You can construct Image objects from a variety of file types including BMP, ICON, GIF, JPEG, Exif, PNG, TIFF, WMF, and EMF. Thread starter bobsan42; Start date Aug 25, 2021; bobsan42 Well-known Member to load a wide variety 'of image types from disk - including png. 0; Windows Media Photo, HD Photo Specification 1. the brushed pngs and restore the windows again the brushed pngs disappear. The small Open Source SynGdiPlus library is able to load and save gif, tiff and png pictures. When I use one font only all text are displayed ok. ' 'The png format is used in Office 2007 to provide images that 'include an alpha channel for each pixel's transparency You can use gdiplus to load a png file from a resource or memory using a stream. Then parse the mask and set alpha channel for opaque bits in DIB to 255. Image* myImage = Image::FromFile(L"flag. S. 12. cpp This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Function to load the bmp from resources: HBITMAP LoadPicture(UINT nResID); Draw in DC: BOOL DrawPicture(HDC hDC, LPRECT lpRect, HBITMAP hBitmap); If you will declare a static HBITMAP variable in Modify code and GDI+ API calls to 64-bit system to load images in the ribbon. If you want a simple transparency mask rather than a full alpha channel you can use TransparentBlt along with a color key to mask out areas of a Basically, the images with alpha draw correctly when draw directly on top of a solid colored surface, however when it hits a region where the window is transparent, the PNG with alpha values start having a white background. To display an image, you need a Graphics object and an Image object. au3> _GDIPlus_ImageLoadFromFile ( $sFileName ) Parameters I have png in Gdiplus::image. But PNG's transparency Part and none AntiAlias edge got weird effect when draw on Meta DC which created from Printer. If it fails to load or thunks fail to PBWin / PBCC GDI+ Image save/load from/to buffer 23 Aug 2012, 08:21 AM ----- ' Input formats: EMF, WMF, BMP, JPG, PNG, GIF, TIF, ICO ' Output formats: WMF, BMP, JPG, PNG, GIF, TIF '----- ' Requires PB/Win 8+ Laurence Jackson, 2011. Type: HINSTANCE Handle to an instance of a module whose executable file In this article. DLL" ALIAS "GdipCreateBitmapFromFile" ( _ BYVAL STRING _ ' GDIPCONST WCHAR *filename , BYREF DWORD _ ' GpBitmap **bitmap ) AS LONG ' GpStatus In this article. 1. It is also used to support JPG in CMYK format, non-placeable WMFs and multi-frame GIF rendering. ) For 2. Hello all! I have this code which takes my jpg image loops through altering pixels and finally saving it as a png type. Can anyone help me please? c++; bitmap; png; gdi+; image-conversion; Share. If the binary file is only compressed with a supported algorithm, then pass the corresponding flag to SHCreateStreamOnFileEx and have // Load png from disc Image png = Image. I create my button with this function: HWND MyControls::CreateButton(LPCTSTR Hi, I want to resize a png image with GDIPlus (and WinAPI), but the problem is that when I try to resize it, it does not appear on screen . #include <GDIPlus. May 3rd, 2023, 12:06 AM #9 GDI+ Load a jpg and save as 24bit png problem. Methods. I spent hours working on this code, but I finally have it working somewhat (DDT version). com to load the PNG file. Cindy Description: Use GDI+ to load the PNG image file example, on code readability, use the MFC development, suitable for beginners to learn how to use GDI+ load PNG image file. If icon is 24bpp, and GDI+ won't load it Walk the bitmap data and transfer to 32bpp DIB. but to load a PNG, my custom IStream had to also implement IImageBytes (defined in one of the gdi+ headers)--Louis Solomon www. But I wanted to use my own ttf fonts for the texts. Gdiplus::Bitmap to BYTE array? 1 I wrote a blog post (on displaying a splash screen with C++) that contains a full code sample that loads a PNG from a resource and converts it to an HBITMAP (using WIC). How can I save to PNG or BMP with GDI+? I don't want to use third party libraries, just the DLL. , a temporary file, simply load the image with GDI+ by passing the temporary file name. The Bitmap::FromResource method creates a Bitmap object based on an application or DLL instance handle and the name of a bitmap resource. Using Gdiplus::Color(255,255,255,255) (white) it will improve the appearance (because ListView background is also white). hbmColor is the handle of the transparent bitmap. png" invoke FindResource,0,100,RT_RCDATA invoke LoadResource,0,eax invoke LockResource,eax mov pPNG,eax invoke CoTaskMemAlloc,PNG_FILE_SIZE mov pGlobal,eax invoke MemCopy,pPNG,eax,PNG_FILE_SIZE invoke CreateStreamOnHGlobal,pGlobal,TRUE,ADDR Option Explicit 'Declare a UDT to store a GUID for the IPicture OLE Interface Private Type GUID Data1 As Long Data2 As Integer Data3 As Integer Data4(0 To 7) As Byte End Type #If VBA7 Then 'Declare a UDT to store the bitmap information Private Type PICTDESC size As Long Type As Long hPic As LongPtr hPal As LongPtr End Type 'Declare a UDT to There are so many ways to load a PNG or other image format that VB6 can't load with LoadPicture. Then make an IStream from it. The Image class has these methods. Morcillo '----- ' Public Function LoadPicturePlus( _ ByVal filename As You're welcome. Improve this question GDI+ Load a jpg and save as 24bit png problem. Public Domain '----- ' ' Note: ANSI strings are used as byte array buffers. DrawImage(m_pBitmap, 0, 0); Now how to draw png with a transparent color so all pixels of a certain color (for example: RGB(255,255,255)) show transparently and you can see the background where the transparent pixels are using Gdiplus. Because most of the pictures are png's, I use the GDI libraries to load the file as a bitmap and convert it to an IPicture object. But when I use different fonts in the If it is being saved to disk, i. Reading all this, it looks like WIC is pretty TL;DR: I want to create a standalone application that has image resources (with alpha channel) embedded. The Image::FromFile method creates an Image object based on a file. And in the Cairo-Wrapper and GDIPlus both, these Img-Surfaces are located in System-Memory - (not on the GPU) - they represent and hold "the physical Pixel-Allocation". Ill post my whole example file. com. hDC. qvnujdjktkvbczgxmgmltikvspupewbltoagpvuzlkpylaqtypqoyfnghuxhfuxlnocd