Qimage Save Format_indexed8
The problem is not setting the color table in the image before you use it. From the Qt docs (If format is an indexed color format, the image color table is initially empty and must be sufficiently expanded with setColorCount() or setColorTable() before the image is used. Wifi Surfer Per Pc Download Gratis Italiano Singles. The PySide.QtGui.QImage class provides a hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device. QImage.save() function to save a PySide.QtGui.QImage object. Format_Indexed8) value = qRgb(122, 163, 39) # 0xff7aa327 image.setColor(0, value). Nov 23, 2013. Download Driver Teclado Abnt2 Windows 7. In the first section there are functions to convert from cv::Mat to QImage and from cv::Mat to QPixmap. Requires a quick conversion as Bastian mentions in the comments) and QImage::Format_RGB888 (8-bit unsigned, 3 channels), and QImage::Format_Indexed8 (8-bit unsigned, 1 channel – grayscale).
Detailed Description The class provides a hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device. Qt provides four classes for handling image data:,, and. Peugeot Sbox Keygen.
Is designed and optimized for I/O, and for direct pixel access and manipulation, while is designed and optimized for showing images on screen. Is only a convenience class that inherits, ensuring a depth of 1. Finally, the class is a paint device that records and replays commands. Because is a subclass, can be used to draw directly onto images. When using on a, the painting can be performed in another thread than the current GUI thread. The class supports several image formats described by the enum. These include monochrome, 8-bit, 32-bit and alpha-blended images which are available in all versions of Qt 4.x.