![]() What happens if you try a minimal example? Something like this: #include "mainwindow. This looks said in I can't display a png image in a label:Ĭould you specify what that means exactly? Do you get an empty QLabel? Do you get errors? Does your program run? Then in CMake I add : set(CMAKE_AUTORCC ON) # this Keep it deleted, try to work out the resource system, it is very said in I can't display a png image in a label:Īccording to your documentation, I created a. Thank said in I can't display a png image in a label: If someone has an idea why I can't place this image, I tested another image and it didn't work The loader attempts to read the image using the specified format, e.g., PNG or JPG. Returns true if the image was successfully loaded otherwise invalidates the image and returns false. 'C:/msys64/mingw32/bin/ninja.exe' '-C' 'F:/Prog/C/build-MyProg-Desktop_Qt_6_5_1_MinGW_64_bit-Debug' '-t' 'restat' 'build.ninja' bool QImage::load (const QString &fileName, const char format nullptr) Loads an image from the file with the given fileName. Ninja: error: failed recompaction: Permission denied It looks like you can just load the PNG file into RAM and pass its address and length to stbiloadfrommemory(). ![]() Build files cannot be regenerated correctly. * A find_package call is missing for an IMPORTED target.ĬMake Generate step failed. ![]() Build files have been written to: F:/Prog/C/build-MyProg-Desktop_Qt_6_5_1_MinGW_64_bit-DebugĬMake Error at CMakeLists.txt:62 (target_link_libraries):īut the target was not found. To enable alpha transparency, use PNG images with 32. The Image class does not support alpha transparency in bitmaps. If the file does not have a valid image format or if GDI+ does not support the pixel format of the file, this method throws an OutOfMemoryException exception. See also "F:/Prog/C/build-MyProg-Desktop_Qt_6_5_1_MinGW_64_bit-Debug/CMakeFiles/CMakeOutput.log". The file remains locked until the Image is disposed. Configuring incomplete, errors occurred! Could NOT find WrapVulkanHeaders (missing: Vulkan_INCLUDE_DIR)įile COPY cannot find "F:/Prog/C/MyProg/images": No error. Running C:\Qt\Tools\CMake_64\bin\cmake.exe -S F:/Prog/C/MyProg -B F:/Prog/C/build-MyProg-Desktop_Qt_6_5_1_MinGW_64_bit-Debug in F:\Prog\C\build-MyProg-Desktop_Qt_6_5_1_MinGW_64_bit-Debug. And I also noticed what appears to be an error in "6.QPixmap pm(":/assets/background.png") // label->setPixmap(pm) įile(COPY assets DESTINATION $) MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) Here is my mainwindow.cpp simple code: #include "mainwindow.h" But when I try to display an image on this same label, neither the text nor the image is displayed, there is just a white screen. I created a label with text in mainwindow.ui and it shows at runtime. I know very little about QT Creator, I tried to display an image in a label and I'm wrong somewhere.
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