qpixmap save jpg
I found what the problem was. I have to copy the imageformats folder next to the exe file of the program to enable loading/saving jpg files., That seemed like a really long way to go about doing it (but your comment better explains):. For writing: QFile file("yourFile.png"); ...,Simply call the save() function to save a QPixmap object. The complete list of ... Format (optional), Read. JPG, Joint Photographic Experts Group, Read/write. , 在QT的IDE环境中是能成功加载的，而单独运行却一直加载jpg图片失败。 .... QPixmap save()返回false ,图片不能保存,QLabel中用html格式图片不 ..., Qt下将文件输出为png，jpg格式的图片文件有两种方法：一是QPixmap自带的save()函数，即先绘图后将QPixmap保存为图片文件。二是用先生 ..., It is much easier to just give the save() function a file name as a first parameter: QPixmap pixmap = QPixmap.loadFromData((const uchar ..., drawImage(0, 0, in); temp.save(&buffer, "JPG", quality); out.loadFromData(ba, "JPG"); retval = (quint32)ba.size(); buffer.close(); return retval; }., When I try to save a QPixmap in Windows, it results in a corrupt JPG file, black or black with white lines. But it doesn't happen in all computers, ..., It works for PNG and BMP without a problem, but for JPEG, jpg, JPG, etc ... my insert picture but you should be able to adapt it for your save as:
| 相關軟體 Qt Programming Language 資訊 | |
|---|---|
 qpixmap save jpg 相關參考資料
Can't loadsave JPG image in Qt - Stack Overflow
I found what the problem was. I have to copy the imageformats folder next to the exe file of the program to enable loading/saving jpg files. https://stackoverflow.com How to save a QPixmap Object to a file? - Stack Overflow
That seemed like a really long way to go about doing it (but your comment better explains):. For writing: QFile file("yourFile.png"); ... https://stackoverflow.com QPixmap Class | Qt GUI 5.13.1 - Qt Documentation
Simply call the save() function to save a QPixmap object. The complete list of ... Format (optional), Read. JPG, Joint Photographic Experts Group, Read/write. https://doc.qt.io QPixmap load jpg图片失败的解决方法- 碧海凌云- CSDN博客
在QT的IDE环境中是能成功加载的，而单独运行却一直加载jpg图片失败。 .... QPixmap save()返回false ,图片不能保存,QLabel中用html格式图片不 ... https://blog.csdn.net QPixmap编码成jpg的内存操作- jklinux的博客- CSDN博客
Qt下将文件输出为png，jpg格式的图片文件有两种方法：一是QPixmap自带的save()函数，即先绘图后将QPixmap保存为图片文件。二是用先生 ... https://blog.csdn.net Save byte array as .png.jpg file in QT - Stack Overflow
It is much easier to just give the save() function a file name as a first parameter: QPixmap pixmap = QPixmap.loadFromData((const uchar ... https://stackoverflow.com Saving QPixmap as JPEG results in vertical lines - Stack Overflow
drawImage(0, 0, in); temp.save(&buffer, "JPG", quality); out.loadFromData(ba, "JPG"); retval = (quint32)ba.size(); buffer.close(); return retval; }. https://stackoverflow.com Saving QPixmap resutls in corrupt JPG - Qt Centre
When I try to save a QPixmap in Windows, it results in a corrupt JPG file, black or black with white lines. But it doesn't happen in all computers, ... https://www.qtcentre.org Saving QPixmap to JPEG failing (Qt 4.5) - Stack Overflow
It works for PNG and BMP without a problem, but for JPEG, jpg, JPG, etc ... my insert picture but you should be able to adapt it for your save as: https://stackoverflow.com |