Delphi imagelist transparent. Extracting PNG images from Delphi 2009 imagelist.

Delphi imagelist transparent bmp(filename) an so on Delphi Questions and Answers ; FMX ; TImagelist dynamic. ImageList. Hi, I'm trying to load transparent PNG into a TImageList, assign that to an AdvGlowButton using the ImageIndex property. From top to bottom of the code snip. AddIcon calls the overridden method TVirtualImageList. EDIT--For Delphi 2007, you can attempt to use the PNG Components which if I remember correctly do properly handle alpha In Delphi and C++Builder 10. All images in an image list are contained You can try Delphi 2009/2010 which supports using PNG images. TImageList does not support drawing a scaled image, it draws the image as-is. jpg ect. In modern Delphi versions, TButton has an Images property that you can assign any TCustomImageList to, and you can add PNG images to a standard TImageList, or use a 3rd party PNG ImageList. Also the constant for clFuchsia is defined as 16 bit color depth. Any non-32bpp bitmap is treated as a traditional colorkeyed bitmap with a single transparent color, as used in the old TImageList Delphi » Archiv » ImageList a Transparent area « předchozí další » Tisk; Stran: [1] Dolů. – You should not be using bmp. The Selectdir works and fileexists parts work. 3 version. Get a Bitmap from an Imagelist and put it into Other Imagelist ? 4. Next, find out how you can use your own Sample code that creates a CImageList with ugly transparency (no alpha blending): CGdiPlusBitmapResou Skip to main icons and bitmaps. Draw() does not support what you are trying to do, at least not the way you are trying to use it. My images in the imagelist have a background colour of clFuschia. , white row, then light green row, then white row). However, you can download the code from Finn Tolderlund's website (you want the latest version of TGIFImage ). Checking for Copy vs. SystemImageList are in a white square, How can I make icon transparent ? I have already try much option with a ImageList I connect after to the SmallImage or LargeImages Property of the ListView . Delphi container controls (like form or panel) are always created with the WS_CLIPCHILDREN style, which automatically excludes the area under child controls from updates, so the background will not be updated if If TransparentColor is assigned, the TransparentMode is automatically set to tmFixed so that the new transparent color can be used later. ILC_COLOR32 implies the imagelist should be created as a 32bit Get free Delphi icons in iOS, Material, Windows and other design styles for web, mobile, and graphic design projects. I'm using Delphi XE and I would like to make a button which shows just the provided PNG image with transparent background and no additional margins of any kind. Form must be invisible, while image must stay visible and transparent area must stay transparent. How to add icons to React Native app. I should have checked this first, but there is something about the bottom left pixel in an image controlling the transparent colour. I'm inclined to go for individual form imagelists. But when I copy image from the ImageList to bitmap b2 then write some text on it and next copy b2 to b1 then in place of written text a transparent rectangle is displayed. Jason : Posted 27 Apr, 2010 15:24:29: Top: Dmitry Kostochko Add-in Express team Posts: 2887 Joined Delphi - Populate an imagelist with icons at runtime 'destroys' transparency. At design time when I set the "Image Index" properties of You can use Transparent property of TBitmap to that effect. PopupMenu1) to refer to the image list. I am using delphi XE-5 and I am loading button information from a JSON file, in order to create buttons on a TMS ADVToolBar control. dhervieux. I can use the Picture property of the Hello all, Im experimenting with high-dpi in Delphi Rio 10. The code is simple so can be easily retro-fitted to any control that you wished were transparent. But I cannot figure out how to keep it transparent. The problem I have is when I use the imagelist and set the subitemimage to display an item in one of the other columns the image does not appear +1. dfm is modified however delphi does not say that the file is modified (e. TSpeedButton and TBitBtn use this method. My ListView control correct highlights the image when the item is selected without highlighting the transparent areas. transparent := True;), after assign hImageList = ImageList_Create(16, 16, ILC_COLOR32 | ILC_MASK, ICON_COUNT, 0); if ImageList Transparency not working at runtime. - TurboPack/PNGComponents The TransparentColorValue approach cannot possibly work, because this only works with images in which a single colour represents full transparency. TPNGButton had a support for transparency and glowing hover effect. TransparentMode; Code Examples. Image lists are used to efficiently manage large sets of icons or bitmaps. Convert Transparency actually works better for TGraphicControls than for TWinControls. IndexOfKey("myicon") to get the index or even directly on the target component cmp. If you want to use the largest, though, you can create an empty image the same size and FloodFill it with the transparent color, and then CopyRect the smaller image into it at the right position. Draw Transparent Scaled PNG. The RGB part of the picture is a black square. The system, when you request it to do so, uses system colors, like 'highlight', 'selected' Delphi 7 does not have its own native PNG support, so which 3rd party TPNGObject are using actually using? This one has an AlphaScanline property, just make sure to call the CreateAlpha() method first. I'm trying to make a customized circle-shape component that has transparent background, so that when added on a form, the component can overlap other components. Unfortunately, the pixels which should be transparent are white. Retrieved from "https://docwiki. Icons in Delphi and VCL. The goal is to get one of these alpha-blended images and place it in a TImage. After a few search i found a helper for the Imagelist and it is work just fine. Pixels[0, 99] := clWhite which makes only thát pixel transparent, Modified := True. 1. Daniel. See Also. Each button is 50X35 and in png format with transparency. Using the Apply button is especially useful because once you exit the PngComponents is a set of components that allows you to include in your application real PNG files. That's FGlyphList in the private section of TButtonGlyph. I want to change the colour of the black square, while keep the shape in the alpha channel. Hot Network Questions Is online job converting crypto to cash a scam? Configuration R/S of glucose How to tell if a model is identifiable? A conjecture on quadratic residues What does set theory has to say about Tip originally posted for Delphi 2 Particularly note the SetParent bit. How to draw a scaled version of images from the system ImageList? 3. Bitmap);. I've used PNGComponents for ages but it is time to move on and use the native TImageList and TPNGImage. I used square images with 32px, but when I chose the image, by ImageIndex, in the TSpeedButton, the image size is less than I'm adding an image to an imagelist like here - Add a png image to a imagelist in runtime using Delphi XE. Excerpt: The TImageListEx component is a TImageList descendant that can use the images from another image list to generate disabled images, which can be used on toolbars and other user You work around this limitation by calling ImageList_Create, passing ILC_COLOR32 and assigning the result to ImageList. It should even work in Delphi 1, as it doesn't use the Win32 non-rectangular-window method for creating transparency. I created some transparent 32x32px PNGs in Photoshop and put them into a TImageList (set to cd32bit). I see that the TcxImageList by DevExpress lets you do custom sizes. I have used the following code to load the tstringgrid: procedure TImageForm. Fri, 18 Oct 2002 03:00:00 GMT. To create an imagelist that can handle a 32-bits-per-pixel Delphi: image with alpha blending You're essentially building your own imagelist. savetofile() Canvas. this is by design. You don't need to try and grab the original bitmap from the imagelist because the imagelist itself knows how to draw honoring transparency information. It is disabled and clDefault is selected. As a starting point, I suggests you to consider TImageListEx described in the book Inside Delphi 2006. So passing that as parameter to AddMasked method might not work as expected. Handle := ImageList_LoadImage Now if I only check the difference between Delphi 7 where ImageList images are stored in multiple lines and Delphi XE3 where ImageList images are stored in a single column it means that your code The trick seems to be to make the parent object transparent, perhaps its (default) non transparency is inherited ? The change to Auto transparency is not part of the fix just simplifies making the bitmaps. procedure PatchInstanceClass(Instance: TObject; NewClass: TClass); type PClass = ^TClass; begin if Assigned(Instance) and Assigned(NewClass) and NewClass. ico at runtime into imagelist and preserv transparency. This image list is connected to a TCategoryButtons group. You will have to load the file into a TPNGImage first, then manually split it (which is not easy, if transparency/alpha is involved) into pieces that you can Add() into the TPngImageList. Saving 32-bit bitmaps with alpha channels needs a workaround as @Andreas Rejbrand has pointed out. I actually want to see the image while it's moving from one panel to the other (semi-transparent). Bitmap); (source: clip2net. By setting Alphaformat := afDefined the bitmap will be drawn with the transparency informations from the alphachannel. 3. The PNG image format allows for alpha layer transparency, which it sounds it what your looking for. It's not going to play well with Since a 32 bit Bitmap support transparency this can be reached by converting the contained graphic to an bitmap (if needed). If you have the Delphi source, it shouldn't be hard. I tried it like this and You can view the video demonstrating features programmed in the 'FMX. About. Part of my code loads an image list at runtime from linked in resources. My working PNGComponents code for this is: The transparency seems to get lost ! I have also noticed that: Use_ImageList->AddImage(OS_xx_ImageList, x) ; starting from an empty Use_ImageList seems to preserve all alpha channel data properly ! Delphi: PNG in ImageList, change color while keep alpha. Now the height of the TToolButton In Delphi I add bitmap to TImageList. I need to use semi-transparent bitmap pictures in my D7 app. It appears TImageList does not support transparent PNG properly. Skip to main content. Move in Delphi Drag and Drop. Using: Delphi 7, Win 7/64. That's obviously fine Trying to display a bitmap from within a TImageList to a BitBtn (or TImage). On Windows 7 and Windows 10 this seems to work properly. bmp loses transparent background if using v6 ImageList Control I have some transparent icons smaller in size than the ImageList where I want to add them. Create Account Log in. Only once you press save on the form will the dfm clear the imagelist reference. Using the Apply button is especially useful because once you exit the dialog, you After that result TBitmap to imagelist TImageList with Imagelist. I'm using Delphi 2009 and I'd like to scale an image to fit the available space. g. I really can't find a decent way to do this, however you can add PNGs at design time with built in When using a dark theme with TButtonedEdit and an imagelist with DrawingStyle set to dsTransparent, the image always shows with a white background. But I don't know what has happened, it looks like the . Draw(), but with the new TMultiResBitmap class I d Hi Delphi experts. if you close the form it won't warn you about unsaved changes). Add the icon to a TImageList. AddFromFile. Delphi XE7 - In my Delphi form I have an ImageList with 4 pictures. In Delphi it is very easy to improve a prepare a single large bitmap and let the image editor divide it according to the Height and Width properties of the ImageList component, which refer to with the bitmaps of I have found a trick which works as a perfectly practical solution: Instead of using a 16x16 icon for the TToolButton I use a 16x18 icon from a 16x18 ImageList (Width = 16, Height = 18). ; Set the Images property on the menu (i. The GIF images are 256 colors; and transparent color but with 8-bit transparent color (alpha channel, 256-"shades" of transparency). I tried to do this with TButton but I get an ugly gray background with bsPushButton style. If you are loading ICO's as shown with. BUT I just realized, only because the TForm the TImage is placed on has the exact same background color. Delphi - Populate an imagelist with icons at runtime 'destroys' transparency. As instructed I've included a TXPManifest component on my mainform. Solution: If you want to use 32-bit (24-bit + alpha channel) PNG icons within Delphi TImageList, you need to set the following property values for EDIT: As regard to your edit, this is how TImageList works. And the way you are creating your imagelist makes the conversion of icon to bitmap very ambiguous. Now, since you are using Delphi 7, you don't have the TGIFImage component built-in. Transparent color in ImageList/ImageList Editor. 2 Tokyo and started to migrate a project made with Delphi XE4. The application still needs to support older Windows vers When you open up the form and the image list does not show up, the . I have a bug with the Imagelist, does anybody know how to correct image when it's show in component, because in somecomputer (Portable) Transparent color in ImageList/ImageList Editor. I have these couple of lines, which copies an image from my Timagelist onto the canvas. Stack Overflow. Main technique we using here is full screen transparent form and then place image object on form. 2. x Question: How do I set the transparent color in an TImageList so the background color doesn't show? Answer: Use the TImageList. Here we discuss typical code fragments - from the FMX. I've created an onChange for my ComboBox because I'd like to do a thing like this: if the ComboBox item 1 is selected, then load the image 1 in my ImageList. Can you perhaps upload the actual files to a file share site. You can also load images at run time. There are also a ComboBox called ComboBox1 and a TImage component that is called Image9 . I have ImageList sized 72x72, handle to the icon (HICON), obtained by SHGetFileInfo (for example a large icon sized 32x32). php?title=TransparentColor_(Delphi)&oldid=28825" Dear All 25 years ago I wrote a small database in Pascal for my A Level. Mantis conversion info: I cannot for the life of me figure out how to create an ImageList control with a PNG file with it does work. So the alpha channel was correctly recognized. . Answer: Use the TImageList. I try to add them as usual with ImageList. I convert project to Lazarus. Color values use 24 bits, and 8 bits are used as an alpha channel on the icons. // If you do not do that with transparency enabled, you would see // images on top of each other MyImage. But you don't specify color depth of your ImageList to be 256 of colors. So I tried another approach, creating an imageList at runtime and adding masked images to it as follows: The form is rectangular and the Color and TransparentColor properties are both the same clGray and the Transparent property is True. -----== Posted via Deja You can use ImageList_SetDragCursorImage. I want new image to be stretched as in ImageList Editor. (currently for Delphi 10. 0 version a new "Installer" read-to-use is located in I just played around with the new Delphi 2009 ribbon, added a few pages, groups and actionclients (large buttons) to it. TransparentMode := tmFixed; MyImage. Commonly I know, how to load a normal bitmap, and use in my application. Hi, Imagelist - copying from System ImageLists? 2. How to fix it?". The image list holds 16x16px transparent PNG files. I am getting each url, using the idHTTP component to retrieve it to a stream and then load it into a png. Steve: N. We need a copy of the bitmap since setting the AlphaFormat will let us loose the pixelinformations. You can either pass the transparent color yourself in the second parameter or clDefault to let the imagelist take the bottom-left pixel's color. Imagelist. TImageList represents a collection of same-sized images, each of which can be referred to by its index. (I'm aware the question asked about the smallest - just wanted to post this for future reference I have a Delphi 6 application that owner-draws icons in a TListBox row along with some text. By few I'd like to add a RGB/8bit/Alpha PNG to a TImageList at runtime in Delphi 2009. GetBitmap(Index, Image. – roumen. The sample code below draws all images saved inside ImageList1 on Form1 in a vertical list: After extraction I need to save it as PNG file with transparency. The important point is that a TImageList can contain 32-bpp alpha blended images. You'd need that image list to have ColorDepth of cd32Bit if you wanted alpha transparency to be respected. Images. TransparentColor := clWhite; // Load image from the Image list This works well thanks very much, I really do appreciate writing the answer and explaining it because although to many such as yourself and Sir Rufo who think this is simple maths, to someone like me I find these type of Image must be transparent. N. 17 aka Delphi 10 Seattle. Maybe you can find existing ImageList code and modify it. Specify the actual rectangle you want, which in this case is the full dimensions of bmp. The problem occurs when getting an bitmap from this list and saving it to the hard drive. 7. Portable Network Graphics is a new generation format, supporting partially transparency images. Delphi. Sign in to follow this . pngmasked(filename) // using top left pixel as transparent imagelist. This is normally used to provide a merged image of the drag image with a cursor image, and then, normally, you hide the real cursor to prevent confusion (showing two cursors). F. Transparent property does, and how you draw bitmaps transparently with the VCL. After racking my brain for a few hours looking at other articles such as: How to load a transparent Image from ImageList? *. So that right there explains the artifacts. For some reason I can't change the transparent color in the imageList's editor. Share. So, the wish is to paint only a portion of a newly created bitmap and get the remaining surface transparent. if its not the colour you have set as transparant then it wont work. Image->Picture->Bitmap = NULL ; // Clear previous state ImageList->GetBitmap(2, Image->Picture->Bitmap) ; PS: Image->Transparent = True. Also, why are you doing this at design time. Then you can do il. Handle. You really should use image lists instead. I in bgImgList. Let’s start with what Delphi supports out-of-the-box and the “Virtual” evolution introduced in the 10. Bitmap in ImageList has not transparent but almost black ($010101) background. Delphi TBitMap transparency from ImageList to a button. If you want TransparentColor to disregard any assignments and return the bottom leftmost pixel color again, set TransparentMode to tmAuto. Draw(Canvas, 0, 0, 0); will use the color you specified in BlendColor when DrawingStyle is 'dsSelected' or 'dsFocus'. So if you have 3 images in the virtual image list and call AddIcon, it'll return a new image index of 3 and there are now 4 Delphi TBitMap transparency from ImageList to a button. Update: My problem is that when adding Image larger than ImageList size (32 * 32), for example 100 * 150 It does not appear correctly in a component connected to ImageList (for example in a ListView). I have baken a procedure which does it, but it breaks the normal transparency and also the alpha-transparency, so the icons look very broken afterwards, especially at their edges: Here's the code for that: Question and Answer Database FAQ2346D. This will allow you to share images between your UI elements in a manageable fashion. From what I can see, TSpeedButton takes your bitmap and adds it to an image list. Solution: If you want to use 32-bit (24-bit + alpha channel) PNG icons within Delphi This Delphi graphic tutorial shows how to display a transparent image on desktop. [This might just apply to icons] Steve: Delphi a feersum engin indeed. There also seems to be some more confusion about the BMP file format, what the TBitmap. The problem being that a 16x16 imagelist is unusably small on a high-dpi notebook screen. Delphi, ImageList that handles BOTH png and Next, imagelists are natively bitmaps, not icons. The Opacity feature of TCanvas. 3 and Id like to know what the best way is to make a tMainmenu having items with images. m3u (Playlist) as plain text files, so as to save me manually I want to load AlphaSkin's Imagelist from resource. You can use its Draw method for that. This is used to load in all the Images in a folder. How to draw the icons to the listview from imagelist? I'm using this code to change the selection color in my listview, but it doesn't have the icons from the imagelist. To scale an image, you i recently got my hands on Delphi 10. Ask Question Asked 14 years, 11 months ago. zip convert to dfm, but in lfm is the same. asked on . Coming from C# and Visual Studio to Delphi 10. ImageList Sample'. Is it better to have one ImageList in the Datamodule with all the images/icons in it, or, a separate imagelist in each form with just the form's images/icons in it? Many images/icons, i. These free images are pixel perfect to fit your design and available in both PNG and vector. To accomplish the effect you want, you need to create a 32-bit TBitmap so you have a per-pixel I tried to create a toolbar, using a TToolbar with TActionList, TSpeedbutton and TImageList. I then draw it onto a transparent BMP. pas (around line 560) to see an example. Delph/Builder drag and drop with image, image disappears when leaving control. adding the images in a imageList 3. Maybe the ImageList. Probably just expanding some constants to let it use larger images. If BkColor set to ClMenu, the icon pretty but when folder: string; filename: string; begin folder := GetCurrentDir + '\icon\'; {To support alpha transparency, you need to create the ImageList and populate it at runtime Delphi Imagelist: Load icons with I seems that what you need is a TImageList with extra capabilities. Here the code below type TImageListHelper = class Helper for TImageList function Add(const ABitmap: TBitmap): Ribbon controls, ImageList, Transparent color Jason Coley Posts: 272 Joined: 2005-05-26: Delphi 2010, adx Not sure is this is a delphi thing or Outlook thing. FormCreate(Sender: TObject); var r, c, n : Integer; img:TImage; begin //assign a value to each cell to connect with imagelist. I've tried Brush. Related. See the documentation about ImageList_Add about the hbmImage parameter: A handle to the bitmap that contains the image or In more recent versions of Delphi, the standard TButton allows to specify a TImageList, for png (chance to miss the migration of a property or an event). I have been scouring the internet for hours trying to confirm whether or not Delphi 6 does or can be made to support these image formats, but, as Delphi 6 is so old now, I am only finding references to Delphi 7 and above. Buttons and VCL (maybe some kind of transparency option), in Description. Check-out buttons. The alpha channel contains the shape of the real picture. I want find a way to increase the canvas of my Icon with transparent color so it will be added in the ImageList without scaling. To be able to use the Virtual ImageList component and the Component Editor, you need to set the ImageCollection property in the I was trying to reproduce a small example (same problem with Delphi 10. Commented Jun 22, 2017 at 16:34. – I'm sorry, my english is not very good. TImagelist dynamic. 4. This means that pixels are blended with the background pixels when drawing, feature supported by this new PNG Delphi version. While working in the image list editor, you can click Apply to save your current work without exiting the editor, or click OK to save your changes and exit the dialog. AddMasked(Result, clOlive); but image is drawn with olive color. Given that the forms are created/destroyed at during the App's run time. getbitmap(0,bmp); bmp. You I recently came across a situation where I needed to write a counter to an image used for a navbar, where the image was coming from an imagelist component. I am just using the trial version of AppMethod 1. – Query: "Embarcadero Delphi ImageList does not show transparent PNG icons correctly. If your bitmaps are stored in a non-transparent form but there is a transparent color, you can use the TImageList. DrawingStyle: dsTransparent ColorDepth: cd32Bit . However my BitBtn, which is linked to the imagelist via Go Up to Property Editors Index. Bitmap has transparent background (clFuchsia). Viewed 4k times But the transparency is not handled properly. How do I take a picture from a TImageList and put it into a TImage (or return it as a TGraphic)?. 1 day ago I installed Lazarus as I want to code a Delphi Object Pascal project to write . PNGs in Delphi 2009 Imagelists and Images. Can you help? var bmap:Tbitmap; r:Trect; begin Query: "Embarcadero Delphi ImageList does not show transparent PNG icons correctly. Delphi Developer. Thanks for any help. The imagelist supports only: Add(Bitmap) methods, but there is no way to load PNG image directly. Hot Network Questions You say that your source image is 256 colored bitmap. Delphi 10 TImage, image width for mobile. Check out the full C++ source code for the image list tutorial over on GitHub. Embarcadero Delphi's ImageList does not show transparent PNG icons correctly. When I copy bitmap from TImageList to bitmap b2 and copy it to bitmap b the result is correct. Tue, 18 Apr 2000 03:00:00 GMT. Setting The Bitmap property on TMenuItem isn't the way to go here. Therefore I cannot look into the source code. TPicture; TImage Board index » delphi » Imagelist. Use a transparency map: a second pixmap which indicates the "level" of transparency of each pixel. All images in an image list are contained in a single, wide bitmap in screen device format. It seems newly added image is not stretched but is Croped. bmp:=tbitmap. Solution: If you want to use 32-bit (24-bit + alpha channel) PNG icons within Delphi TImageList, you need to set the following property values for I'm using Delphi XE and trying to update an old Delphi codebase. The WinForms ImageList in . Picture. DoChange which updates the entire virtual image list from the image collection. txt Setting a transaprent background color for TImageList Category :Miscellaneous Platform :All Product :Delphi 3. 32-bit bitmaps are the only bitmaps that carry information about transparency in the files. Modified 14 years, 9 months ago. The tstringgrid displays an image's transparent areas as black which is unsightly and makes many of the symbols unreadable. If you want a border all the way around the scaled image but keep the 98x98 dimensions of the final image, like your example JPG shows, then your scale needs to be ImageList does not require icons, Extracting PNG images from Delphi 2009 imagelist. Use the ImageList Editor at design time to add bitmaps and icons to a TImageList component. 5. e. Otherwise, an answer here suggests that setting AlphaFormat to 'afIgnored' before calling GetBitmap should preserve transparency. Extracting PNG images from Delphi 2009 imagelist. TransparentColor (Delphi) In my Delphi XE3 Application I've placed a TPageControl component into the MainForm. Canvas. I have a ListView where each row is displaying an alternate row color (e. If I'm not mistaken the default color depth for ImageList is 16 bit. We’ll dig into some significant . An imagelist has been assigned to the listview so that it display images down the left hand side. ImageList1 contains 32-bit PNG images. why don't you simply try examples you post here? create imagelist and image on the form, put simply 32-bit png into imagelist and try to copy it as transparent as it is to the timage. 0. 3. GetBitmap(index, Image1. I cannot do that. This works, of course, if you want to scale everything down to the smallest. create; imagelist. Although, strictly speaking, my question is about Quick question in regard to Delphi XE. When you use the AddIcon method, TCustomImageList. I want my buttons to have images with alphablending on them. I resume : 1. 3, we have added an entirely new image list control. The background color of the TBitBtn type button is Using Delphi 5 or Delphi 7 with non transparent icons. Hot Network Questions Both of NASA's ARED devices have a sign with the acronym "PLEASE;" what does it TImageCollection doesn't support icons. You'll have to populate the list at run time rather I have a TImageList which contains transparent icons (32bit, with alpha channel). You can get hint about the forms edges from the vertical lines of the IDE seen behind on the left and right. But there is not help, how to load a prev. Is it possible to draw transparent GIF images on an ActionToolbar (with ActionManager) using TImageList? I have been trying but what I get is a black background on the toolbuttons. jpg / 1. Could be REALLY usefull: imagelist. png where the pixels Embarcadero Delphi's ImageList does not show transparent PNG icons correctly. The star image is a rectangular . ClassType) and (NewClass. Still ok on mainmenu or if i copy it from ImageList to TImage. Looking at the sources of VCL. I added this list to the Actionmanager's Images property, to show them on the buttons. An image list may also include a monochrome bitmap that contains masks that are combined with the images to produce a transparent effect such as is common in icons. InheritsFrom(Instance. How to add it to this ImageList keeping transparency, but without stretching? Now I draw the icon in the middle of a temporary bitmap desired size, then add it to the ImageList. In the imageList, I've set a transparent color (clRed in my case). I linked its "Images" property to a ImageList which contains some PNG images. This means at some point i would likely require a TGraphic. Delphi, ImageList that handles BOTH png and ImageList_GetIcon also get some ugly edge too. From 4. Followers 0. 4. I need to create an ImageList at run-time and store it in a singleton object, but I can't do that due to an exception while reading memory. Getting custom sized system icons. 360. This assumes that your wanting a fixed shape on your form. All images in an image list are contained Go Up to Property Editors Index. Note how it is correctly composited with Saving transparent (alpha channel) PNG from TImageList. Who hasnt seen this before: A bunch of controls and actions are linked to an ImageList with an ImageIndex, but as soon as you sort this ImageList to give it a sensible order all controls immediately start to show the wrong images. jpg to a bmp and then saving it to imagelist1. How to fix it? Solution: If you want to use 32-bit (24-bit + alpha channel) PNG icons within Delphi TImageList, you need to set the following property values for TImageList. if you add a bitmap that is larger than the imagelist width, it will attempt to break the bitmap into separate bitmaps to fit the imagelist size. But in this ca Or indeed how you are able to modify the Transparent Color drop down. Optimally, pick a button, wipe its glyph, put a png in its imagelist, over. Assign a picture to a TImage and define the background color of transparent pixels. Draw method was not available in earlier versions of Delphi. This is easier as thought (thanks to Hallvard's Blog - Hack#14: Changing the class of an object at run-time):. So, i should use XPManifest and ImageList version6 instead of 5. 4). That image list has ColorDepth of cdDeviceDependent. So I created a TBitMap with a I have these couple of lines, which copies an image from my Timagelist onto the canvas. I have an ImageList (either TImageList, or DevExpress's TcxImageList) that contains PNG pictures using alpha channel. But not the TMenu component (use only my version of TImageCollection and TVirtualImageList) because TMenu calls the DoDraw method from TImageList/TVirtualImageList for drawing icons. About; Delphi - Populate an imagelist with icons at runtime Use this component to simplify replace of ImageList for older Delphi Apps and obtain auto-scaling of Icons! New Setup for automatic installation of components. If you add an image (using the Add button) to the image list, you can - during the current invocation of the ImageList editor - alter properties of the selected image using the Transparent Color, Fill Color, and Options controls. Autor Téma: ImageList a Transparent area (Přečteno 704 krát) JaroB Host; ImageList a Transparent area « kdy: 17-01-2007, 11:46:00 » Ahoj. com) To explain a bit more: Drop a Timage on a form, and at design time, load a PNG file with alpha using the Picture property. png(filename) imagelist. ; Set the image index of the menu item to the index of Head over and check out the full source code for the ImageList sample for Delphi on GitHub. It would help if the Delphi ImageList was extended with this functionality. creation of images with clRed pixels for the transparent parts 2. Do this before you add any images. TPngImageList handles transparency properly. The latter have problems if the control is moved or the background needs to change. It will load a PNG but appears to convert it to a bitmask and bitmap and does not preserve the transparency properly. Below are some images I've loaded into my project. @SertacAkyuz because that is the way my code did it before and most old code methods online taught you to do it this way. If something is popular, it must be The ResourceLoad and GetResource methods load the entire image list from the single specified image resource. 'Close' are shared in many forms. Since your bitmaps have a black border, automatic transparent color (first pixel of image data) wouldn't work and you need to also set the TransparentColor property to 'clWhite'. How to fix it? Solution: If you want to use 32-bit (24-bit + alpha channel) PNG icons within If you select this image during new invocations of the ImageList editor, the Transparent Color, Fill Color, and Options controls are grayed and you cannot change any properties of the image. I'm not sure how you Delphi, ImageList that handles BOTH png and bitmaps. I am trying to load jpg into an imagelist by converting the . I then load the jpg to a tpicture. The control then slices it up into separate tiles based on the image list's configured width and height. My teeTree has a gradient background, and I think this can be the reason why it doesn't work. procedure TForm2. AddIcon(IcoHandle); but it seems they are scaled to the ImageList size. The Virtual ImageList Component Editor. I want to load a picture (32 bit-depth, transparent) from a TImageList to an TImage. InstanceSize = I am upgrading my code to Delphi XE (from Delphi 7) and am trying to eliminate all unnecessary libraries. BlendColor property is used by the Draw method of the ImageList (or DrawOverlay). The only option it provides is to let you specify the X/Y coordinates where the image should be drawn on the destination Canvas. Bitmap := nil; // Make sure that transparency pixel in the image is taken // in consideration MyImage. 2 Tokyo only). 1 Berlin is very hard for me, but some performance is crucial, and I haven't worked with Delphi for a long time (more than 10 years), so I'm blocked. stored PNG image into alphaskin imagelist. My question: how to fix these "strange" extra lines? Is there a better resolution to fix the ImageList? (I put bigger images but looks like That editor is a design-time editor and is not available at runtime, but you can draw any of the images saved inside an ImageList on any canvas by calling its Draw method and specifying index of the image which you want to draw. M. Description. 7/16/98 4:31:28 PM I've run into the following problem: My Delphi7 program runs smoothly on most computers running WinXP/Vista/7 BUT on some older Windows XP installs (only a few) I'm getting the following problem: I Board index » delphi » ImageList. [In addition, you are toying with Image lists manage large sets of icons or bitmaps. Bitmap. ClipRect as the destination rectangle for your StretchDraw() call. In VCL I used TImageList. If you just want binary transparency (opaque/transparent), you can use a bitmap and use a simple XOR on each pixel which makes it very fast. Image1 is just a blank TImage. The problem is image I make own descending components (transparent image, speed button, toolbar, tree view, tabcontrol), TImageCollection and TVirtualImageList. com/CodeExamples/Sydney/e/index. The standard approach would be ImageList. The rendered then uses that as a weighting value to combine the top and bottom layers in the final color. 3 and 10. It works even with movement. For example, at Delphi. What I want to do is to save individual icons based on image index as PNG file(s), Add a png image to a imagelist in runtime using Delphi XE - so the transparency is preserved upon loading. I found this function: AddImageFromRes Delphi - Populate an imagelist with icons at runtime 'destroys' transparency Hot Network Questions How to do qualitative analysis about the phase shift contributed by capacitor and inductor? +1. But it definitely is the easier way to accomplish what I needed. SelectedImageKey="myicon". embarcadero. Howto load 48x48 . ImageList1. With this version of the component, the code above should work fine, although I personally have not used it since I ported from D6 to D2010 a few years back. 8 standard one. NET allows a string name to each image. Now I need to save them out individually, Find answers to Add transparent PNG to TImageList at runtime in Delphi 2009 from the expert community at Experts Exchange. You can use it also Added "Transparent" mode for TStyledGraphicButton and TStyledSpeedButton; Added Introduction to transparency: PNG is not just a replacement for compuserve GIF, it goes further than that. take for example this 32-bit png: Loading Image I want to make HeidiSQL high-dpi aware, which includes upscaling my one TImageList with lots of alpha-transparent PNG icons in it. And how i could get that color? Somehow, imagelist detect it automatically when i add the files manually using the object inspector. Query: "Embarcadero Delphi ImageList does not show transparent PNG icons correctly. Note: Images must be transparent already. All images are named like so 0. The intent is that you would have a single bitmap holding all the images meant to go in the list. All works fine but one thing: the transparent color is replaced with white color instead of being What I want is to copy TImageList 32-bit PNG image (with alpha transparency) to blank TImage. While my application works as before, i have a strange problem with the images saved in a TImageList. On the form I have a TImage to which I have loaded the star image. Trying to resize image without olive color (aImage. ImageList Sample I need to make the program which have one form that contains PNG image with transparent area. 7 Delphi VCL Buttons Toolbar and DbNavigator with Custom Graphic Styles Bootstrap, Angular, Basic-Color, SVG-Color) with support of ImageList, Action and full configuration of five states: Normal, Pressed, Selected, Hot and Disabled. TPngImageList derives from TImageList, which does not support that for bitmaps/icons, and TPngImageList does not add support for it for pngs. The software was originally developed with Delphi 7 and used a hacked version of TPNGButton written by Jonathan Hosking in 2001. Download icons in all formats or edit them for your designs. DKropf3. AddMasked(Bitmap: TBitmap; MaskColor: TColor) method. Style:=bsTransparent; or ellipse() and more on but still couldn't find a way to make the edge area transparent. xant wdev xsad ojvapbgm raazg ydnty mxrtcsm gpbd hshj smdoupca