• THE WIND RISES

      Glfw get window size. Oct 17, 2023 · Hi @yuriykz,.



      • Glfw get window size Whenever the window changes in size, GLFW calls this function and fills in the proper arguments for you to process. I hope it will useful for someone. static void cursor_position_callback(GLFWwindow* window, double xpos, double ypos) { double xpos, ypos Sep 1, 2016 · I didn’t design the API, but my assumption would be that since the user of the GLFW API sets the window title the user of the API would therefore already know (and have) the window title, so there’s no need for an extra API function to get it. Jul 22, 2020 · Hi, I share the example for beginners how to center a window at screen because I did not find it by myself in the Internet and I wrote it from scratch. I am on an NVIDIA GPU and have tried running in compatability mode for windows 8 + disabled fullscreen optimizations - nothing works! Maybe its a setting? ! @brief Retrieves the size of the framebuffer of the specified window. Jul 29, 2021 · I would like to check if my understanding is right. create_window(400, 300, "My Centered Window", None, None) monitor = glfw. Introduction to the API; Context guide; Vulkan guide; Monitor guide; Input guide; Window objects. import glfw if not glfw. Related to #919. Dismiss alert Jun 7, 2020 · I have an issue with resizing my window on LWJGL3 and GLFW. Jul 17, 2010 · You definitely don't want to make the size of your objects explicitly dependent on the window size. GLFW_RESIZABLE specifies whether the windowed mode window will be resizable by the user. Jan 14, 2024 · This isn’t yet available in GLFW, though it might be able to be hacked on top using the GLFW Native Access API. This is an OptiX rendered scene, showing in GLFwWindow. The window wrapper class contains an std::function which stores, in this case, a callback for glfwSetWindowCloseCallback. The callback is provided with the size, in screen coordinates, of the content area of the window. I want to scale down the size of the window to 1920 / 2 X 1080 / 2 without reducing the size of framebuffer. This guide introduces the window related functions of GLFW. For windowed mode windows, this resizes the specified window so that its client area has the specified size. Oct 9, 2014 · GLFW can give you the size of the monitor (via glfwGetVideoMode), the size of the window (via glfwGetWindowSize), and the size of the framebuffer (glfwGetFramebufferSize). This is the monitor whose DPI scaling applies to the window contents, the monitor which the window is vsynced May 9, 2021 · When you try to resize the window (shorten the width) after a pixel or so shrinking the window, the plot lables display -10 and 80, which is exactly what I want. Nov 26, 2018 · On win32/GLFW if I ask for a 1500x1000 window, with GLFW_SCALE_FOR_MONITOR enabled I get a 3000x2000 window size AND a 3000x2000 framebuffer size, and it renders at 30FPS if I’m lucky. void framebuffer_size_callback(GLFWwindow* window, int width, int height) { glViewport (0, 0, width, height); } We do have to tell GLFW we want to call this function on every window resize by registering it: Jan 5, 2023 · Both glfwGetWindowSize and glfwGetFramebufferSize report the same numbers as the arguments supplied to the window size callback function. So at this point my question is why would it take 2 iterations of the same code to get this result. Window size Since Added in GLFW 1. Whenever I try rendering during a window resize (I use glfwSetFramebufferSizeCallback), I get this “stretchy” behavior. So, the problem is the 150% discrepancy on mouse coordinates between GLFW and WinAPI. Window size. See the video. The above functions work with the size of the client area, but decorated windows typically have title bars and window frames around this rectangle. glfwSetWindowTitle() void glfwSetWindowTitle May 1, 2012 · window size I get the new window size background completely filled with old color black ( not the new color ). Oct 28, 2019 · the resulting window size & frame buffer size is scaled beyond the displayable maximum resolution of my monitor. x, &window_size. Do not set the viewport in the QGLWidget::resizeGL handler; you should use that to make adjustment to things that depend on the screen size and which are expensive to change, like textures used for a post-processing FBO. Is it possible to make it so that rather than stretching, you’d see a solid color (usually black Each monitor has a current video mode, a list of supported video modes, a virtual position, a content scale, a human-readable name, a user pointer, an estimated physical size and a gamma ramp. [in] window: The window whose depth buffer to retrieve. GLFWwindow* glfwCreateWindow ( int width, int height, const char *title, GLFWmonitor *monitor, GLFWwindow *share ) Oct 10, 2016 · With interactive resizing I mean click-dragging the window borders. Is another API call necessary to get full screen to use the full screen? ===== Another update: Using Vaillancourt's advice and adding more wild guesses, I tried this for creating the full screen window: Jul 15, 2024 · To solve it, I used glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE); in GLFW. This function retrieves the size, in pixels, of the framebuffer of the specified window. void framebuffer_size_callback(GLFWwindow* window, int width, int height); The framebuffer size function takes a GLFWwindow as its first argument and two integers indicating the new window dimensions. The window will still be resizable using the glfwSetWindowSize function. Aug 25, 2017 · Whenever I resize a GLFW window it doesn't draw while I'm resizing the window. Sep 13, 2021 · I am creating my own window resizing logic because I have the GLFW_DECORATED hint set to false as I am creating my own title bar also. The size of the specified gamma ramp should match the size of the current ramp for that monitor. Basically the window should be displayed in the size of 1920 / 2 X 1080 / 2 but the framebuffer should be of size 1920 X 1080. Is there a way to set size and Mar 1, 2021 · The simplest fix is to retrieve the framebuffer size each frame. e. GLFW generally does a good job selecting a suitable video mode when you create a full screen window, change its video mode or make a Whenever the window changes in size, GLFW calls this function and fills in the proper arguments for you to process. If I don’t do this in a timely manner, I get flicker or corrupt looking contents. - You should never call flip after an LWJGL call. glfwSetWindowTitle() void glfwSetWindowTitle I'm working on a GLFW application and I noticed a problem when resizing the window. Use the framebuffer size, which is in pixels, for pixel-based calls. I confirmed that This function returns an array of names of Vulkan instance extensions required by GLFW for creating Vulkan surfaces for GLFW windows. org glfw Get Window Size (window, width, height): void This function retrieves the size, in screen coordinates, of the content area of the specified window. Oct 17, 2023 · Hi @yuriykz,. To mitigate this in one's app, one needs to install handler functions for the window messages and run the render pipeline in a separate thread independent from the main app(GUI) thread. Wayland: Gamma handling is a privileged protocol, this function will thus never be implemented and emits GLFW_FEATURE_UNAVAILABLE. get_framebuffer Mar 29, 2024 · Hello, I looked through some posts and found that this could be a GPU issue, but as long as the window isn’t my entire monitor’s resolution it works as intended - the window is transparent. Jun 2, 2013 · My problem is that my system has a scaling mode of 250%. It GLFW_OPENGL_PROFILE; Window related hints. Usage: glfwSetWindowSizeLimits(window, 200, 200, 400, 400); // min area is 200 by 200 // max area is 400 by 400 glfwSetWindowSizeLimits(window, 200, 200, GLFW_DONT_CARE, GLFW_DONT_CARE); // min area is 200 Each monitor has a current video mode, a list of supported video modes, a virtual position, a content scale, a human-readable name, a user pointer, an estimated physical size and a gamma ramp. 0. Sep 29, 2015 · On Windows this works via intercepting the WM_GETMINMAXINFO window message and setting the corresponding fields in the MINMAXINFO struct. This size includes the title bar, if the window has one. glfw Set Window Close Callback (window, callback): GLFWwindowclosefun This function sets the close callback of the specified window, which is called when the user attempts to close the window, for example by clicking the close widget in the title bar. If successful, the list will always contain VK_KHR_surface , so if you don't require any additional extensions you can pass this list directly to the VkInstanceCreateInfo struct. Parameters glfw Set Window Size Limits (window, minwidth, minheight, maxwidth, maxheight): void This function sets the size limits of the content area of the specified window. The window handle is passed to all window related functions and is provided to along with all input events, so event handlers can tell which window received the event. On some machines screen coordinates and pixels are the Apr 3, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. As you discovered, monitor size can equal framebuffer size when the window is full screen and a screen coordinate is equal to a pixel. The @ref GLFWwindow object encapsulates both a window and a context. All of this is however mute, the question you’ve asked is if you need to transform mouse coordinates to pixels before translating to world coordinates, and the answer is you do not - the code from my first reply is Dec 20, 2010 · chutiano wrote on Monday, December 20, 2010: Hi guys newbie trying to get my window resize to work but am getting this error: CODE: class Renderer { bool loop_running; public: Renderer(); ~Renderer(); st&hellip; Sep 8, 2016 · Creating a window with GLFW3 is done using glfwCreateWindow:. The following code fails to render correctly if so (it renders to a portion of the Feb 21, 2017 · I'm creating a GLFW window, and I would like the bottom left corner to be the origin. You signed out in another tab or window. I'm running it on my Ubuntu 20. I am using a ping pong system where I switch between two frame buffers, each with their own t Dec 6, 2016 · Hi, Is it possible to make ImGui windows fit e. Now, when I open the lid of the box I've created and rotated it, it looks like this: GLFW_OPENGL_PROFILE; Window related hints. The GLFWwindow object Jul 19, 2022 · Hi! I am using Ubuntu 22. This is a limitation of Wayland. I need to get the handle of the current window, but i cannot find anything in the API that shows how this can be done. Recreating vulkans swapchain, its image views, framebuffers, additional images (depth) and all related command buffers per resize message does not seem to be a smart method (it crashed my driver several times. Width = LOWORD(lParam); Assuming that the window size is specified in "pixels" is not correct either. In most cases, the user's primary monitor is a good choice. Apr 9, 2024 · The function glfwGetWindowMonitor only gives you a monitor if the window is fullscreen. It seems clear to me that if you set a size limit (via glfwSetWindowSizeLimits), then on the desktop platform (ex: macOS), if the user resizes the window While it is necessary to poll for events, window systems that require GLFW to register callbacks of its own can pass events to GLFW in response to many window system function calls. Nov 26, 2019 · I am creating a GLFW window with the size of 1920 X 1080. There is no API for finding out the window frame size, so the only time GLFW has any knowledge of it is when using the most basic fallback decorations as those are drawn by GLFW itself. Or I could make some platform-specific code to find out the correct position and size, but… meh. y); glfw Get Framebuffer Size (window, width, height): void This function retrieves the size, in pixels, of the framebuffer of the specified window. Jan 15, 2021 · You can get the size from the size attribute: monitor = glfwGetPrimaryMonitor() vidmode = glfwGetVideoMode(monitor) v_width = vidmode. When I run GLFW with OpenGL on Linux, I have to respond to “refresh” (or “move” /"resize) callbacks to repaint the window. 3. GLFW_VISIBLE specifies whether the windowed mode window will be initially visible. 04. If I use the glfwSetWindowSizeCallback-function, my callback-function will be called two times?! Is this a bug? Is the first opening of a window detected as "resize"-event? Here is my little code, maybe can someone help me out with this 🙁 #include “Run. This hint is Jan 26, 2019 · When the size of the window has changed, the you have to reset the viewport rectangle by glViewport. Jul 14, 2012 · void Window::CenterTheWindow(){ GLFWmonitor* monitor = glfwGetPrimaryMonitor(); const GLFWvidmode* mode = glfwGetVideoMode(monitor); glfwSetWindowPos(m_Window, (mode->width - m_Width) / 2, (mode->height - m_Height) / 2); } See full list on glfw. Related to #898. Pointer lifetime The specified gamma ramp is copied before this function Nov 17, 2021 · It looks like I can mostly get I want with: glfw. The framebuffer will then always behave as Jan 4, 2025 · Gets the last-reported state of the given mouse button for the window. Oct 14, 2020 · GLFW has a section about native access there you can find this function that allows you to retrieve the HWND: HWND glfwGetWin32Window ( GLFWwindow * window) : Returns Window size Since Added in GLFW 1. For example, on Windows the system function that glfwSetWindowSize is implemented with will send window size events directly to the event callback that every window has and that GLFW implements for its windows. For details on a specific function in this category, see the Window reference. I can resize the window, however what is rendered to it does not size with it, most likely a coordinate issue. Oct 23, 2015 · eugibob wrote on Friday, October 23, 2015: hello, could some one help me out 🙂 i have no idea 😃 private static void updateWidthHeight() { // TODO: initialize bytebuffers // TODO: get window size and store in respective buffers // TODO: set height to value from buffer // TODO: adjust framebuffer width to keep aspect ratio } Dec 13, 2019 · I've noticed that in the Windows port of GLFW3, the _glfwInputFramebufferSize and _glfwInputWindowSize are called regardless of the current windows size. My machine is MacOS Sonoma, Intel i5. So how do I get GLFW to respect windows scaling mode? Do not pass the window size to glViewport or other pixel-based OpenGL calls. #mouse_button_callback=(func) ⇒ Object When running with GLFW_PLATFORM init hint set to wayland, the frame size always returns all zeros. For full screen windows, the specified size becomes the resolution of the window's desired video mode. glfwSetWindowTitle() void glfwSetWindowTitle Do not pass the window size to glViewport or other pixel-based OpenGL calls. That makes windows overlap, and title bars end up off screen. [out] width: Where to store the width of the depth buffer, or NULL. Here's my window Mar 25, 2020 · I’m using the latest GLFW, on Windows 10. GLFW documentation has a solution using glfwSetWindowSizeLimits which sets the minimum and maximum size the window content area can reach. The window size is in screen coordinates, not pixels. Jul 10, 2013 · phoenix94 wrote on Wednesday, July 10, 2013:. Nov 3, 2024 · Hello. If you wish to retrieve the size of the window in screen coordinates, see glfwGetWindowSize. The above functions work with the size of the content area, but decorated windows typically have title bars and window frames around this rectangle. For full screen windows, it selects and sets the video mode most closely matching the specified size. C++ (Cpp) glfwGetWindowSize - 30 examples found. Nov 19, 2018 · A window is being created by this code: window = glfwCreateWindow(1000, 1000, "Window for Box", NULL, NULL); This first 1000 in the above line corresponds to the width of the window where the second 1000 window corresponds to the height of the window. If I launch a windowed window with 2304x1296 in resolution, I get the same size framebuffer. If you wish to retrieve the size of the window in screen coordinates, see glfwGetWindowSize . what I tried: glfwWindowHint(GLFW_RESIZABLE, GL_FALSE) Is this possible? May 24, 2013 · So i did some test and on a 1024x512 window, the upper left corner is indeed (0,0) but the bottom corner is (1007,473) or something near. [out] height: Where to store the height of the depth buffer, or NULL. You can see it for yoursel May 10, 2020 · C++ How to get the window size (width and height)? 3. This is while creating a "borderless" window. An alternative to 1 is to choose a random position which is permits the window size to be fully contained by the screen, allowing for a large border for the frame and since TVs don’t display the outer edge of the screen. I know rendering WHILE the window is resizing is a notorious problem. Windows: MonitorFromWindow(GetForegroundWindow()) does the same. I have been struggling to get consistent rendering while the window is resizing. If you wish to retrieve the size of the framebuffer of the window in pixels, see glfwGetFramebufferSize . c_str(), nullptr, nullptr); Jan 11, 2024 · Since I am working on porting glfw to the emscripten platform I want to make sure I understand the expected behavior when using glfwSetWindowSize while having size constraints (like glfwSetWindowSizeLimits or glfwSetWindowAspectRatio). width v_height = vidmode. Dec 12, 2018 · The actual Emscripten canvas element has been set to have a width and height of 100%, but if I retrieve the width and height through emscripten_get_canvas_size, I simply get the width and height of the GLFW window that is being shown inside the canvas, not the actual dimensions of what the canvas has scaled it to. For full screen windows, this function updates the resolution of its desired video mode and switches to the video mode closest to it, without affecting the window's context. Aug 18, 2014 · You could then query this to determine which state the window is currently in. Note that the window system may put limitations on size. GLFW will pass those events on to the application callbacks before returning. Jan 26, 2024 · I'm building a graphical program in python using PyOpenGL, and a binding of GLFW for window management. Currently I'm creating some sort of window (wrapper) class, however whenever i try to invoke glfwGetWindowSize, glfwGetWindowPos or glfwGetMonitorPos the p Jul 3, 2013 · glfw_fullscreen : glfw_window); But in version 3. ) Delete Mar 3, 2010 · Do not pass the window size to glViewport or other pixel-based OpenGL calls. """ with self. Save the position on exit to a config file, restore that when user re-opens app. window_hint(glfw. ) Turn Off Steam Cloud Save 2. There are a few custom versions of GLFW which have altered undecorated windows in GLFW which might make it easy to add this functionality, for example see this post. LWJGL may read the current buffer position and limit, but never modifies them. Do not pass the window size to glViewport or other pixel-based OpenGL calls. I meant that you should NOT set glfwWindowHint(GLFW_SCALE_TO_MONITOR,TRUE);,i. remove that line of code. You can rate examples to help us improve the quality of examples. To create a full screen window, you need to specify which monitor the window should use. If you wish to retrieve the size of the window in screen coordinates, see @ref glfwGetWindowSize. If I am running a single threaded app and my response takes too long, maybe the drawing is too slow and exceeds the screen Apr 27, 2007 · window, however you need to update the clip rectangle any time the coordinates of the window change, so in the _glfwWindowCallback function, I needed to modify the case WM_SIZE: and I needed to add the case WM_MOVE: Here are the relevant snippets: // Resize the window? case WM_SIZE: // get the new size _glfwWin. What I get is a window and framebuffer size of 640x480 and no way (that I’ve found) to change. Oct 4, 2017 · Maximizing the window; Measuring the frame; Remove decorations and increase the window size to replace them; Repeat every time the window is refreshed (i. ” Window size Since Added in GLFW 1. Jul 24, 2021 · I'm using GLFW to create a full screen GL application. Although one would likely Jun 3, 2023 · I want to disable the current titlebar and draw my own with opengl. DECORATED, 0) glfw. Simply get the size of the window using the following code: int width, height; glfwGetWindowSize(window, &width, &height); glfw Set Window Size (window, width, height): void This function sets the size, in screen coordinates, of the content area of the specified window. If I drag my glfw created window from first to second monitor it suddenly changes size when it gets exactly half way onto the second monitor. May 24, 2020 · macOS: [NSScreen main] returns the monitor which contains the window which currently has keyboard focus. GLFW get Monitors count = 0, two other monitors are attached. This correct size only occurs when resizing the window and not letting go. Full screen windows. Use the framebuffer size which is in pixels, for pixel-based calls. If you have a strong use case where a get would be useful, add an issue to GLFW on github. g the "glfwCreateWindow", and adjust accordingly when the latter window is resized? Regards, p. That’s not what I’m using Sep 25, 2013 · Just use QWidget::width() and QWidget::height() out of the resizeGL event to obtain the window's sizes and determine your viewport dimensions from that. Jan 19, 2021 · You signed in with another tab or window. I am hoping to get some help. When a window transitions from full screen to windowed mode, this function restores any previous window settings such as whether it is decorated, floating, resizable, has size or aspect ratio limits, etc. If the window is a full screen window, this function does nothing. I went looking for ways to find the maximum resolution of the available monitor, which glfw provides using the function glfwGetVideoModes(GLFWwindow*, int);. MAXIMIZED, 1) But I’m not sure how to guarantee that this window will be created on the desired monitor. This hint is Jun 6, 2020 · I use the following: Default to 50,50 position for windows. There are also guides for the other areas of GLFW. I noticed that the GLFW documentation, under glfwSetWindowSize() says… “Do not pass the window size to glViewport or other pixel-based OpenGL calls. h” #include Nov 15, 2016 · Parts of this patch are based on code by @ferreiradaselva. It's API mostly resemble one of C library except functions that require pass-by-ref parameters. Aug 13, 2015 · kanesoban wrote on Thursday, August 13, 2015: I am using cocos2d and by extension GLFW for a game project. I can currently interact with the secne using the left mouse button (pressing and moving around). As already suggested by genpfault, adjust your projection matrix whenever the window size changes. If you instead want to be notified when it changes, see the framebuffer size callback. The size of the frame may vary depending on the window-related hints(@ref window_hints_wnd) used to create it. the pixel size. window = 4096x2304, FB = double, window = 2304x1296, FB = 4096x2304. e, when the task bar is moved) But that sounds a bit wacky. The size you pass into glViewport, for example, should be in pixels. This hint is glfw Set Framebuffer Size Callback (window, callback): GLFWframebuffersizefun This function sets the framebuffer resize callback of the specified window, which is called when the framebuffer of the specified window is resized. size. glfw Set Window Pos (window, xpos, ypos): void This function sets the position, in screen coordinates, of the upper-left corner of the content area of the specified windowed mode window. glfw Get Window Attrib; glfw Get Window Content Scale; glfw Get Window Frame Size; glfw Get Window Monitor; glfw Get Window Opacity; glfw Get Window Pos; glfw Get Window Size; glfw Get Window User Pointer; glfw Hide Window; glfw Iconify Window; glfw Init; glfw Init Hint; glfw Joystick Is Gamepad; glfw Joystick Present; glfw Make Context Current Jul 23, 2021 · It seems like full screen mode is "inheriting" the dimensions of that temporary window once it gets to full screen. Implement the resize callback and set it by glfw. Updated callback signature. In addition to that, I also want to get the cursor position while the cursor is on the window. It is only when you let go of the window that it reverts back to the incorrect side. Just calling glutFullScreen(); after initializing your window will make it full screen with no borders or anything, no need for the above stuff of getting your screen size. Welcome to the GLFW forum. Mar 19, 2020 · On X11 with GLFW 3. These are the top rated real world C++ (Cpp) examples of glfwGetWindowSize extracted from open source projects. 1. the screen size, and the framebuffer to be 3000x2000, i. To make this reliable for users, GLFW would have to wait for both an X11 MapNotify & ConfigureNotify event. workaround I'm using atm: `point2D_t window_size; glfwGetFramebufferSize(glfwwindow, &window_size. My question is, is it even possible to do all the above and if yes, can I still snap the window on my screen in windows Window size. I’d still like to know why the original attempt isn’t workable. call(glfw. 8 calling both glfwPollEvents & glfwWaitEvents before glfwGet*Size still does not return the expected results on my system. For some reason, the top left corner is the origin. The class also has a static function which is passed to glfwSetWindowCloseCallback and correspondingly calls the std::function onCloseCallback when that event occurs by using Mar 25, 2018 · So, I set a frame buffer size callback: void FramebufferSizeCallback(GLFWwindow* window, int width, int height) { glViewport(0, 0, width, height); cout << width << " " << height << endl; } I tried to resize the window a little, and it turns out the the window size is bigger than 1024 x 768. While the user is scaling the window, the glfwPollEvents() function waits until the user finishes. I've listed my Display and Do not pass the window size to glViewport or other pixel-based OpenGL calls. Event processing is not required for joystick input to work. Related to #439. This means that, during the scaling of the window, the render function isn't called and horrible artifacts are created. . GLFW 3: Added window handle parameter and return value. When using high DPI I was expecting the window size to be reported as 1500x1000, i. But that's merely a coincidence. Getting the Size - This is not entirely reliable because it changes depending on your monitor resolution but it is fairly simple to implement. For a resizable (default) window I get: Left: 8 Top: 31 Right: 8 Bottom: 8 Windows 10's style has window borders that are only 1 pixel in width/he Feb 14, 2019 · I have a GLFW3 window that I am trying to change from resizable to not resizable. The size of a window can be changed with glfwSetWindowSize. TODO: Windows size scaling window hint TODO: Windows size scaling at creation TODO: macOS monitor content scale TODO: Wayland implementation TODO: Mir implementation TODO: Documentation Related to #235. GL_FALSE); I get the correct results even in full screen. If that’s not working for you then let me know what version of GLFW you are using and what OS you are using (and if on Mac OSX if you are on an Intel or Apple M* processor). Now it works ok, but if the window get resize, then it obviously won't work anymore, so here is my question: How can i get the border size? If you only wish to update the resolution of a full screen window or the size of a windowed mode window, see glfwSetWindowSize. Hello, I tried to create a Window with GLFW an then Center it on the Screen with glfwSetWindowPos(). So I registered a window size callback, which receives lot of messages in one resizing manipulation. Related to #845. They are created with @ref glfwCreateWindow GLFWwindow* window; glfwSetWindowSizeCallback(window, window_size_callback); // Set the to callback function name void window_size_callback(GLFWwindow* window, int width, int height) { // What to do } Do notice that: The callback function receives the new size, in screen coordinates, of the client area of the window when it is resized. If I do glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GL11. Aug 5, 2010 · soulfreezer wrote on Thursday, August 05, 2010: Hello, I have problems to understand how the callback in GLFW works. GLFW 3: Added window handle parameter. If you have set a window size callback GLFW will call it in turn with the new size before everything returns back out of the Low-level libapi package serves as thin wrapper above GLFW library. Some systems do not provide accurate monitor size information, either because the monitor EDID data is incorrect or because the driver does not report it accurately. _context. It supposedly finds all available displays for a monitor (resolution, color depth, refresh rate), and returns them as an array of possibilities. Additionally during initialization I am setting an aspect ratio with glfwSetWindowAspectRatio. This function retrieves the size, in screen coordinates, of each edge of the frame of the specified window. Apr 24, 2021 · The quantity how much of my screen is a ratio, and since it’s a proportion of your window size you can use window coordinates. init(): raise Exception("Failed to initialize the GLFW library") window = glfw. In Windowed mode this is fine, but when I maximize the window (and probably on full screen as well), the image stretches. set_window_size_callback: This includes the size of the window, especially for full screen windows. When I call glfwCreateWindow with width and height 640x480 I would expect a window with size 1600x1200 and a framebuffer size of 640x480. Jun 22, 2015 · glfwGetWindowFrameSize returns incorrect sizes on windows 10 (larger than they should be). glfw Get Window Frame Size (window, left, top, right, bottom): void This function retrieves the size, in screen coordinates, of each edge of the frame of the specified window. Nov 17, 2014 · - glfwGetFramebufferSize returns the framebuffer size, not the window size. Jul 19, 2024 · If you are receiving the Graphic Error [GLFW] Couldn't create window : invalid window size 0x0 (ERROR) Follow these steps: 1. 04 laptop that has a typical 1920:1080 display, at least that's the screen resolution reported under Settings-&gt; def shape (self): """Returns a tuple with the shape of the window, (width, height). Video modes. You switched accounts on another tab or window. For details on a specific function in this category, see the @ref window. (MonitorFromWindow, GetForegroundWindow) It would be great to be able to get this information through glfw to support the use case of opening a window on the "correct" display. If you don't want the framebuffer to change size independent of the window size, you can disable it with the GLFW_COCOA_RETINA_FRAMEBUFFER window hint. I should also mention that I'm using OSX. If the window is full screen, the size limits only take effect once it is made windowed. Asking for help, clarification, or responding to other answers. x there is no place where i can specify how my my window should be and by default its windowed: glfwCreateWindow(width, height, m_windowName. Provide details and share your research! But avoid …. Technically these are not the same, the framebuffer size is in pixels, whereas the window (client area) size is in screen coordinates. This hint is ignored for full screen windows. Quoting the relevant part of the documentation again: While the size of a window is measured in screen coordinates, OpenGL works with pixels. If I uncomment all the // 2 code then if I do the same I will get the new sized window filled with the new color. glfw Get Monitor Physical Size (monitor, widthMM, heightMM): void This function returns the size, in millimetres, of the display area of the specified monitor. Jul 16, 2024 · When I use GLFW to create a window with glfwWindowHint(GLFW_DECORATED, GLFW_FALSE); to remove window decorations, how can I resize the window by dragging with the mouse? "I tried using glfwSetCursorEnterCallback(window, cursor_enter_callback) but it doesn't seem to work. Windows: The gamma ramp size must be 256. Oct 7, 2019 · In my current setup I am using glfwSetWindowSizeCallback to adjust glViewport. Jan 7, 2020 · Ah okay thank you! Another question, not related to this: If I create a fullscreen window like this on ubuntu: GLFWvidmode const *const mode = glfwGetVideoMode Dec 28, 2022 · I'm trying to get into Vulkan with LWJGL. When resizing from the corner (ie setting the width and height at the same time) I get a memory read violation from the nvoglv64. Aug 29, 2022 · When rendering off-screen content with OpenGL I am trying to use a window larger than the current screen resolution. GLFW generally does a good job selecting a suitable video mode when you create a full screen window, change its video mode or make a GLFW_OPENGL_PROFILE; Window related hints. You should be able to get the width and height of a maximized window with glfwGetWindowSize, or by using the window resize callback. height See glfw/glfw glfw Get Window Pos (window, xpos, ypos): void This function retrieves the position, in screen coordinates, of the upper-left corner of the content area of the specified window. Mar 10, 2021 · On Windows 10, I have a PC with 2 monitors of different resolutions. I am somewhat new to GLFW. Any or all of the position arguments may be null . Reload to refresh your session. Jul 6, 2020 · I am making a window wrapper class for c++ and I am trying to handle callback functions for glfw. Related to #698. get_primary_monitor() pos = glfw Jul 23, 2012 · setting your window size to glutGet(GLUT_SCREEN_WIDTH/HEIGHT); will maximize your window, still has top bar and border. Things to do on window resize: Feb 14, 2019 · Part of my confusion was from a note in the documentation. 5 times bigger. Oct 30, 2020 · I. Parameters ! @brief Retrieves the size of the frame of the window. As a rule of thumb all functions that return void and fill several values via pass-by-ref parameters are mapped to functions returning tuple of values. Also, the window width/height is not store in the win32 structure. So I had the idea of making the window transparent and draw the screen, reimplement dragging and resizing and all that basic stuff. That might be, but glViewport and other OpenGL functions that don’t use normalized coordinates operate on frame buffer coordinates, which are guaranteed to be different from window or screen coordinates, on certain platforms. I tried changing the Window Hint after the window was created but this doesn't do anything as the hints only affect window to be created. I decided to use GLFW_DECORATED → GLFW_FALSE, but this disable everything. Apr 3, 2023 · On the Windows platform the content scale will only alter the size of the GLFW Window if the GLFW_SCALE_TO_MONITOR window hint is set, the default for which is off. It solved the Window size problem, but now in GLFW the mouse click coordinates provided on callbacks are 1. An example of how to do this can be found in the GLV library. Jul 7, 2013 · The render pipeline stall seen during the window re-size(and window drag) operation is due to the blocking behavior implemented in the window manager. glfw Set Window Size Callback (window, callback): GLFWwindowsizefun This function sets the size callback of the specified window, which is called when the window is resized. dll thread. I thought about using the glfwWindowHint(int, int) function like glfwWindowHint(GLFW_MIN_WINDOW_WIDTH, 640) and glfwWindowHint(GLFW_MIN_WINDOW_HEIGHT, 480) or something like that. The newly exposed part of the window only gets drawn on after I finish resizing the window. But unfortunately I’m not able to get the current size of my Desktop Screen, to center my window. Any or all of the size arguments may be NULL. As long as a full screen window is not iconified, the supported video mode most closely matching the desired video mode is set for the specified monitor. Parameters Oct 17, 2023 · You should be able to get the width and height of a maximized window with glfwGetWindowSize, or by using the window resize callback. make_current() as ctx: return ctx. Is there a way to get the monitor which a non-fullscreen window is on? I understand that windows can span multiple monitors, but usually it’s “primarily” associated with one monitor at a time. I am trying to tile multiple windows, and am running into the issue that the window position and window size setters seem to set the size and position of the drawable area, not of the whole window (so taking window borders and other decorations into account). tlzbbh mnim lyamo hxp dqyl owq avise ofhqi zwgoiiv dapr