Qt background image resize css. html>be

– Chong Lip Phang. Background images can also respond to resizing and scaling. Mar 21, 2014 · And there would be a 4~5px gap at the bottom of the image. At first glance css property background-size is not supported, border-image would strech the image. You can set min-width though. The background-size CSS property lets you resize the background image of an element, overriding the default behavior of tiling the image at its full size by specifying the width and/or height of the image. Jul 17, 2014 · By default, a background image is a static size (the size of the native image). wrap {. Since the border-image property provides an alternate background, it is not required to Apr 25, 2009 · Notice that width:50% will resize it to 50% of the available space for the image, while max-width:50% will resize the image to 50% of its natural size. Property value "cover" will make the image to cover available space, if the image is small then it will be scaled up to cover available space, If the image is big then it will be scaled down to cover the available space, in either case, there is a chance that image may get cropped in order to fill the available space. Since the border-image property provides an alternate background, it is not required to specify a background-image when border-image is specified. argv) super(). This method resize image only visual not it actual dimensions in DOM, and visual state after resize centered in middle of original size. The following table lists the Qt widgets that can be customized using style sheets: Widget. May 16, 2013 · Setting border-image on a QToolButton places the image on the button at a scaled size to fit the button and it rescales when you resize the button. Also, to make sure the entire element is always covered, set the background-attachment property to fixed: This way, the background image will cover the entire element, with no stretching (the image will keep its original proportions): Supports the :default, :flat, :checked pseudo states. Gaurav Kakkar. How can I achieve this? Sep 23, 2021 · I'm using Qt Creator 4. Oct 27, 2015 · I need to resize the image to cover the app, atm I have a window 300x200 and background image 2400x1800. I tried with setPalette and setStyleSheet, but none seemt work. Method 1. The hidden image keeps the div to the ratio of your image and background image contain fills the div perfectly. GolezTrol. but we must keep the height as auto. 6+, and Internet Explorer 9 (or later). Jun 13, 2024 · Resizing background images with background-size. Resizing background images with background-size. the url needs fixing: no quotes nor 'r'; simply the file name (maybe the space in the file name needs escaping, you could try to play with it) This, for instance, works: import sys. That vertical gap belongs to the reserved space of descenders like: g j p q y. you have to adjust your background image size. it is because some css of these blocks reside with in @media (min-width:860px) {} so you need to put this within css and adjust it according to yours. I can not do i Feb 2, 2019 · 1. You can use one of the following properties to size your background images: background-size: cover; background-size: contain; background-size: 30%; //using percentages. setScaledContents(1) The "1" sets the "setScaledContents" to true which scales the image to fit the current size of Qlabel at all times. so ma-by some can give me a punch in correct direction on how to do it. You could fix the alignment issue by adding vertical-align property to the image with a value other than baseline. Mar 23, 2013 · 10. What want to do is that background image is shrinking horizontally, rather than vertically whilst resizing a browser's window. In addition, if the Aug 6, 2011 · The background image shows up and it looks like the style is applied successfully, however the button is smaller than the background image. So it does not repeat: background-repeat: no Background Images. background-size:contain; Resize the background image to make sure the image is fully visible. 12. hpp file. Is there any standards or html codings that can automatically set resize the image to the exact size of the website? Dec 3, 2014 · I am trying to get a background image to fill the whole gui and keep it in the gui window even when you make it bigger. self. It is ideal if you use Responsive Web Design techniques to create a template. float: left; width: 48%; padding: 10px; Feb 16, 2016 · The code with setPalette works well with my MainWindow. That would work for Safari 3 (or later), Chrome, Opera 10+, Firefox 3. – 1. 4. In CSS2. background-image:url (Images/default_image. Aug 20, 2015 · 2. width: 2*width. The div will not expand to accommodate the background image. Note: Even if the images are opaque and the color won Image background C++. Scaling images using the above trick only works if the container the images are in changes size. as an example you can add this lines to the constructor of Oct 4, 2013 · I'm new to Qt and having some issues! Using QtCreator, I created a simple window that i'm now trying to set the background image of. I also need the background to resize on MainWindow resize. setStyleSheet("background-image: url(:/AddButton. Image Resizer. answered Aug 23, 2011 at 17:44. 5. Each value can be a <length>, a <percentage>, or Jun 14, 2013 · 15. Using a width value only, in which case the height defaults to auto. Now the MainWindow also contains a QTabWiget and I am trying to set images in the background of these QTabWidget pages. my-bootstrap-row { background-image: url (https Sep 20, 2023 · La propriété CSS background-size permet d'ajuster la taille des images utilisées en arrière-plan et de remplacer le comportement par défaut qui consiste à créer une mosaïque répétant l'image à sa taille normale en indiquant une hauteur et/ou une largeur pour l'image. protected: void resizeEvent(QResizeEvent* evt) override; and then, write your code in the resizeEvent method. May 6, 2020 · According to Qt Style Sheets Reference, plain QWidgets should support background, and background-image is explicitly mentioned. The content is what is left from the original widget or subcontrol once we have removed the margin, the border, and the padding. 100% 100% does not keep the aspect ratio of the original image. 3. In the meanwhile the image is centered horizontally by the text-align and vertically by the pseudo element. I'm trying to fit the image (underneath my navigation bar) to the page (meaning: as wide as the page, and relative height). png);" "background-repeat: no-repeat;"); tried it with. However, this only changes the zoom of the picture. Try to do it like this. OS: Windows 7-10 (not a choise) Python: 3. By doing so, you can scale the image upward or downward as desired. setObjectName('MainWindow') you need to use setStyleSheet at some point. If you always want to show the full image and have it expand with the div, you can sort of fake the background by using an image tag and some sneaky positioning instead. void MainWindow::resizeEvent(QResizeEvent* evt) Sep 30, 2014 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 9, 2017 · 92421229. background-size:cover; or use this background-size:100% 100%; this will fill all white spaces that is in your background image at botoom. background-size: cover; There's also background-size: contain if you must have the entire image on screen and don't mind extra space around the edges. QAbstractScrollArea. background: url(/to/img) no-repeat 50% 0; May 27, 2020 · you need to name the App with this name: self. For QPushButton with a menu, the menu indicator is styled using the ::menu-indicator subcontrol. So if the browser width was at 1720px, essentially 100px will be removed from the left side of the image and 100px removed from the right but the image will retain the 565px height. background-size 속성에 가로와 세로 크기를 지정해 크기를 바꿀 수 있습니다. Jan 27, 2021 · The aspect ratio of image was still correct but the resizing didn't work anymore. Appearance of checkable push buttons can be customized using the :open and :closed pseudo-states. source: "myImage. You have to set the flat attribute to true: button1->setFlat(true); You also have to set the autofillbackground -. Then, use a JavaScript to show the modal window and to display the image inside the modal, when a user clicks on the image: Jun 13, 2024 · Resizing background images with background-size. I keep trying to change the size of my image with css by adding a width and height attribute. I think you can also use height:200%; or width:999vw. Mar 9, 2017 · Then you can reference the resource via its alias and if you change the image in the resource, you won't need to change the code: - QPixmap image(":/images/logo"); QPushButton* pPushButton = new QPushButton(QIcon(image)); Or if the button is already defined: - pPushButton->setIcon(QIcon(image)); May 14, 2024 · The most fundamental way to resize images in CSS is by using the width and height properties. 3 and later, the alignment of the image within the rectangle can be specified using image-position. After, in your window/widget constructor, load the image to a pixmap so it's stored for other uses (like setting the background) //scaling the image, optional. For example, I have a 90px by 90px image. background-size: 100px 200px // using pixels. If you want it to stretch for the entire widget use background-image, but I'm guessing what you probably want is an image that expands in one direction, either vertically or horizontally, in that case use background-position to fix it to one of the borders of your widget: image: url(:/path/to/image); background-position: bottom left; Sep 21, 2016 · When you start shrinking the browser width from 1920px to 1170px it will cut off (crop) the left and right part of the image. Add this lines to *. Since 5. Jan 15, 2017 · this problem is occur due to your background size. First, use CSS to create a modal window (dialog box), and hide it by default. Let's consider a large image, a 2982x2808 Firefox logo image. Wow, this did work! Many thanks! So the next problem is that the image doesn't maintain its aspect ratio when resizing. __init__() self. As the problem is when you're in desktop site then the background works fine,then as of a sudden when you switch to mobile site the height of the background such as body shrinks and the background is repeated If you want the background image to cover the entire element, you can set the background-size property to cover. Unfortunately, this didn't change much. May 19, 2020 · I am facing a problem with resizing background image in flexbox. What code should I use? Should I upgrade my code to CSS3/HTML5 and if so what would be the code for that? Jun 29, 2010 · Do this with the base 'icon' setting, at least to see it working with your image, before trying to set the icon per state. However, the image will keep its aspect ratio (the proportional relationship between the image's width May 18, 2012 · Instead of using img element use the same image as background-image, and position in to center. jpg); background-size: cover; } cover means stretching the image either vertically or horizontally so it never tiles/repeats. Using both a width and a height value, in which case the first sets the width and the second sets the height. setStyleSheet (""". png ); Jul 18, 2023 · The background-size property is specified in one of the following ways: Using the keyword values contain or cover. Setting the image property on sub controls implicitly sets the width and height of the sub-control (unless the image in a SVG). The equivalent shorthand CSS notation for the above is: body { background: url (background-photo. But I've probably tried all the ways, and I can not make a function for example, which will smoothly change the background to white when I click on it. You are using background-size: 100% 100% use background-size: cover. I'm trying to resize a background image on a button. Here's a reference for background-size on MDN. If you want the image to always fit to form, you should write your code in resize event of widget. When a timer reaches a certain value I'd like to change the background image (& retain the active widgets on the page) on page 2 (named page2) of the stacked widget. I would like my QGroupBoxes to feature a watermark in their bottom-left that is a certain percentage of the QGroupBox's width and keeps its 1:1 aspect ratio. QT. background-size: 10px auto; but pyqt seems to be missing this CSS attribute. Solutions. 1. 2. If the max-width property is set to 100%, the image will scale down if it has to, but never scale up to be larger than its original size. I wrote the background properties in full notation to make the CSS easier to describe. Il est ainsi possible d'agrandir ou de rapetisser l'image. answered Jan 3, 2016 at 19:23. I've got it inside a div, and tried resizing either one and resizing both. The #icons container uses px values for the width and height. Use a percentage: background-position: 50% 50% will center the background image. img-resize { width: 100%; /* Set the width to 100% for responsiveness */ max-width: 500px; /* Define a maximum width to maintain control */ height: auto; /* Maintain the aspect ratio */ } The width: 100%; CSS property allows the image to resize dynamically, adapting to the width of its Mar 4, 2011 · QLineEdit: Use ui->SearchBarEditBox->setTextMargins(20, 0, 0, 0); to add a left text margin; QPushButton: You can subclass QPushButton and reimplement paintEvent() method, or if you want a simpler workaround, just add some blank spaces before your text. my css is: . Apr 14, 2018 · That is, place Label on dialog form. CSS: Resize background image rather than Oct 16, 2013 · I don't think you can mess with the borders or padding without affecting the widget's default size. For desktop and responsive CSS: background: url (background. List of Stylable Widgets. jpg)"); The border is drawn between the margin and the padding. Feb 26, 2017 · 1. The margin, border-width, and padding properties all default to zero. Is it possible to set images as backgrounds of other widgets, not only windows ? Jul 21, 2014 · background-size:contain;background-origin:content-box; This will help you keep the image as its original size in normal screen size and resize as per the div size changed. Tip: The background of an element is the total size of the element, including padding and border (but not the margin). If you really can't change the HTML, you can try adding padding to the <input>: <style> #button { /* ugly green background color, but it serves to show the area of the button */ background-color: green; /* Setting the size of the button. You can scale the image upward or downward as desired. Seems ok, but not good enough since I need the center to be fixed. horiz-align: center; Image Modal (Advanced) This is an example to demonstrate how CSS and JavaScript can work together. The size of the image can be fully constrained or only partially in order to preserve its intrinsic ratio. Now it follows the Dialog. image-90 {. Feb 15, 2024 · Code Snippet Example Using Image width Attribute: . You can control the size of a background image using the background-size property (read more about it here ). width:100%; height:357px; background-color:red; overflow:hidden; text-align:center; Sep 6, 2017 · 8. I am using HTML and CSS. } This really produces the expected result but of course also prints a warning about a binding loop for sourceSize. setGeometry(100,50,1080,1080) Oct 3, 2016 · This is the default page of course and the CSS file is:. Tiling a large image. It will always be centered, but may be clipped when the element is smaller then the image. I would like as the image resize with the size of the QTableWidgetItem. Here's some code: CSS: . answered Jan 14, 2017 at 7:05. Is there any other way of scaling the background image on the button? It will keep the aspect ratio and insert @gray-dark bars on top/bottom or left/write for the shortest dimension. sourceSize. img. Quickly resize image files online at the highest image quality. You can use the following to make it fit: background-size:cover; Resize the background image to cover the entire container, even if it has to stretch the image or cut a little bit off one of the edges. Dec 18, 2011 · Here is complete answer: QImage QPixmap::toImage() If the pixmap has 1-bit depth, the returned image will also be 1 bit deep. How can I resize an image in the same way, without distorting it / keeping its proportions the same? Of course if the width/height ratio of the dialog is different from the one of the image, I will get a "grey For python users the solution would work like this: first keep the original "setQPixmap" line. I change the size of the cells but the image never resizing. If you want to prevent your background image from shrinking you need to use the property background-size: auto; – Damien Sellier. May 31, 2022 · Yes, everything works. CSS 배경 이미지의 기본 설정값에서는 원본 이미지가 크기 변화 없이 바둑판식으로 배열됩니다. Aug 23, 2011 · 10. QMainWindow {. Play around with those properties and see what suits you best. svg". CommentedMar 27, 2022 at 23:37. def __init__(self): #yapici fonksiyon. Additionally for a better user experience, you could add transition to the images. Jul 5, 2017 · The background-size CSS property specifies the size of the background images. Then set the background image url of the containing div to your image url as well and background size to contain. that is - above that background image I have TEXT I need the image to be located in a specific point behind the text. 이미지는 원하는대로 확대할 수도, 줄일 수도 있습니다. Background images can be used for resizing and scaling. btn. 0 Based on Qt 5. 3. Searching around lead me to believe i should use QT stylesheets and after trying some examples I managed to get a background image working by using: this->setStyleSheet(" background-image: url(C:/test. It is common to try the background-image property, but this has a number of drawbacks: For instance, the background will often appear hidden behind the button decoration, because it is not considered a background. jpg) no-repeat center center fixed; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background Sep 1, 2020 · 1. I tried different background-size properties and tried with max and min height/width as well as flex-shrink and nothing works for me. Definition and Usage. No software to install and easy to use. // the following line causes a binding loop. This is very important to take into account when using this rules for mobile web design, so for mobile web design max-width should always be used. May 23, 2014 · When I try to set a background image for my website I edit the image in paint and I constantly have to edit the image pixel for pixel in order to make the image cover up every single area of the website. How can I make it resize to fit its background image? If it cannot be done automatically, is it possible to access the style applied to the button somewhere, and resize the button based on it? Apr 25, 2013 · image container. Try the CSS property. 115k 19 183 211. You should also set background-repeat to no-repeat in case the element gets bigger. Jul 18, 2023 · The background-size property is specified in one of the following ways: Using the keyword values contain or cover. All derivatives of QAbstractScrollArea, including QTextEdit, and QAbstractItemView (all item view classes), support scrollable backgrounds using background-attachment. Image { max_width: 100%; height: auto; } I have tried the class version as you can see here and with div id using #Image as well. How to Style. Add the file to your resources. However, when I change the width and height, it's like a zoomed in version of the pic instead of a smaller pic. So here is your responsive background image. 1, background images set to a container kept their fixed dimensions. try using the background-size property in the following manner: background-size:100% auto; or use the below if you want to have its height covering the whole page height. If it doesn't work with QFrame as well I would check whether the image has been added to the Qt resources correctly and whether the path is correct. qrc file, which is located in your project source folder , in a way like: <file>your_image. I have even gone into the properties for the image in visual studio and set the picture pixel length and still nothing is happen. , width: 300px; height: 200px). This gives me everything I want: an Aug 19, 2014 · From the doc I sent above: [quote]A background-image does not scale with the size of the widget. header-wrapper { position: relative; } div. You can add a background image to your MainWindow by doing the following: create a QPixmap and give it the path to your image. I have a stacked widget & am using stylesheets to display background images on it. If a svg is specified, the image is scaled to the size of the contents rectangle. Mar 15, 2018 · Hi, I have a new question for you :) In a QTableWidget, I create QTableWidgetItems with a backgroung image. Instead you may need to use border-image. From the docs: If this property is not specified, the minimum width is derived based on the widget's contents and the style. Look into the below content in the link provided. png</file>. Hope this will helps you. Enter a new target size for your image. Or you have some content inside that div. If the background-size property is set to "contain", the background image will scale, and try to fit the content area. 5); Browser support note: browsers statistics showed inline in css. header-contents Jun 20, 2017 · 1. It also applies to ::first-letter and ::first-line. By default, a background-image is placed at the top-left corner of an element, and repeated both vertically and horizontally. Help me please! window = QMainWindow () window. PyQt: 5. border: 1px solid #cccccc ; background-image: url ( :/Images/watermark. If I tried to resize on both sides the image gets shrink and not hided. Aug 9, 2016 · *background-repeat:no-repeat;* This code doesn't solve the problem. I have a background image i want to put on this canvas, so i just add in CSS : canvas { background:url(/URL/ This Qt example shows how to resize an image contained in a dialog, so that when the dialog is resized, the image stretches accordingly. jpg) center center cover no-repeat fixed; } All you have to do is change the url value to point to the location of your background image, and you’re good to go. Apr 20, 2013 · 1. 2,0821725. Dec 28, 2012 · With that CSS you're telling the browser you want the background image to expand to cover the whole background area. Feb 9, 2016 · The background-size CSS property makes it possible to adjust the size of background images, instead of the default behavior of tiling the image at its full size. Percentages (%): This makes images Apr 20, 2010 · 8. . setPixmap(QPixmap(image)) Then add the following line: self. answered Dec 1, 2014 at 23:03. Click on the "Select Image" button to select an image. create a QPalette and set it's QBrush with your pixmap and it's ColorRole to QPalette::Background. all elements. > li {. set your MainWindow palette to the palette you created. You can directly control the displayed size of an image by setting these properties with various values: Pixels (px): This provides the most precise control over image dimensions (e. The padding falls inside the border, between the border and the actual contents. In Qt 4. Each value can be a <length>, a <percentage>, or I found the above solutions didn't work for me (on current versions of firefox and safari at least). The background-image property sets one or more background images for an element. QLabel: Use indent property like this: Hope it helps :) QPushButton and images. px values don't scale when the browser is resized. Thanks in advance! 1 background-size : cover. Resize images with the CSS max-width property. png); background-repeat: no-repeat; Dec 29, 2015 · Use QWidget::setFixedSize on your widgets holding the image in code (or alternative you can set the fixed size policy for each widget in designer) or you can use QLayout::setSizeConstraint. Unfortunately, this method overrides the border style I was trying to set. See the documentation for more options. Here we will show three different methods: 1. Set the size of the icon to be that of your image, or at least large enough for your image, or it will not display. transform: scale(0. Mar 27, 2018 · 2. 358 4 6. Below is my CSS code. For modern browsers, you can accomplish this by using background-size: body { background-image: url (bg. Jun 7, 2011 · When I resize the browser window, I want the image to stay centered, even when the width of the browser window is smaller than the width of the image. Jan 10, 2017 · Have a div with an img tag inside, set the img src to your image url but set 'visibility' to hidden. I have a canvas thas is created dynamically, so width and height are always differents. Thus, I added QGrid::setRowStretch() and QGrid::setColumnStretch(). Click the "Resize Image" button to resize the image. – Nov 4, 2017 · 1. 15, the icon property can be set to override the button icon. So all you need to set the height of the div. Supports the box model. A background-image does not scale with the size of the widget. How to make the picture, which I placed it next of the text editor, appear in the background of the text editor and fill the window? Currently I can only show text editor and image side by side. But i look via Google on the subject and only fount dead ends or only half explain t code's . thumbnail. Otherwise its height will be affect the background images size. 0, 64 bit). Mar 12, 2015 · The only way I found for generically scalling my SVG files was the following work around: Image {. Asad Iqbal. In my case I'm actually trying to do it with an img tag, not background-image, though it should also work for background-image if you use z-height: I've tried every answer I could find on all the sites I could find, but still haven't been able to properly resize an image using CSS. kfunk. Ultimately, the solution is to simply use image, not background-image or border-image. background-size:auto 100%; answered Mar 23, 2013 at 15:03. Feb 6, 2018 · Stylesheet: background-image size relative to widget while keeping aspect ratio. Mar 30, 2014 · I am currently working on building my portfolio website. Current code (not working) background-size: 100% 100%; - image gets stretched (aspect ratio may be preserved, depending on browser) background-size: contain; - image is stretched without cutting it while preserving aspect ratio; background-size: cover; - image is completely covering the element while preserving aspect ratio (image can be cut off) Feb 18, 2015 · You must stylise your button or input with CSS : And remove the type='image' of your html. There is a better way for resizing images responsively. app = QApplication(sys. I have an image I am using for my background but the background remains the same size regardless of the size of the screen. If a specified image cannot be drawn (for example, when the file denoted by the specified URI cannot be loaded), browsers handle it as they would a none value. body { background-image:url (""); background-size:cover; background-position:bottom left; } I want to hide the background image from top and right when I resize from any direction and for any Dec 9, 2016 · You can't set an empty div background until you set a height on that. Luckily, CSS3 represents the background-size property, which allows backgrounds to be stretched or squashed. float: left; overflow: hidden; background-color: @gray-dark; text-align: center; Jun 27, 2024 · How the images are drawn relative to the box and its borders is defined by the background-clip and background-origin CSS properties. The trick is to use height: auto; to override any already present height attribute on the image. Use one of the following approaches: Define the width and/or height using % values. In this scenario, you can use background-size:contain; which will constrict the dimensions of the image to the width of the containing element (or to the May 24, 2013 · 0. header-image { width: 100%; height: 100%; } div. @Vass height:99999px basically tries to enlarge the image while preserving the aspect ratio (width: auto) until the vertical or horizontal bound is reached (max-height or max-width). Right click and select layout (on free spot on form, not label) , select say layout horizontally. To do that, you should overrite the resize event of widget. When styling a QPushButton, it is often desirable to use an image as the button graphic. You can check responsiveness resizing the window. Aug 29, 2017 · Im able to achieve only hiding from right on maximum height. . I googled this topic and found SO: Change resize behavior in Qt layouts. Jun 3, 2011 · 1. tckmn. ‘cover’ scales the image, while preserving its intrinsic aspect ratio (if any), to the smallest size such that both its width and its height can completely cover the background positioning area. button1->setAutoFillBackground(true); You may want to look at QToolButton which doesn't require it to be flat in order to render an image. Dec 1, 2014 · 9. g. It looks great via desktop browsers (IE, Chrome, Safari) but when the responsive theme CSS kicks in it does not resize to the correct resolution. To provide a "skin" or background that scales along with the widget size, one must use border-image. Images with more bits will be returned in a format closely represents the underlying system. @media (max-width:859px){. 11. 8 (GCC 9. ll ig wb ew op oy tu be fc vp