Draw points: In the image buffer, draw points on (Xpoint, Ypoint), you can choose the color, the size of the point, and the style of the point. Image Rotation: Set the rotation Angle of the selected image, preferably after Paint_SelectImage(), you can choose to rotate 0, 90, 180, 270.

Please make sure the SPI is not occupied by other devices, you can check in the middle of /boot/config. Draw points: In the image buffer, draw points on (Xpoint, Ypoint), you can choose the color, the size of the point, the style of the point.

is the coordinate value in the upper left corner of the rectangle, and (70,60) is the coordinate value in the lower right corner of the rectangle. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.

The device file of the Linux system operates the device, which may cause the GPIO port to be abnormal.Line drawing: In the image buffer, a line from (Xstart, Ystart) to (Xend, Yend), you can choose the color, line width, and line style. h): is the image data, which can convert any BMP image into a 16-bit true color image array through Img2Lcd (downloadable in the development data). Our range of 2 inch camlock fittings are a quick and easy way to securely connect hoses and pipes when transferring a variety of materials. PS: If you are using the system of the Bullseye branch, you need to change "apt-get" to "apt", the system of the Bullseye branch only supports Python3.

Image buffer fill color: Fills the image buffer with a color, usually used to flash the screen into blank.MIRROR_NONE, MIRROR_HORIZONTAL, MIRROR_VERTICAL, MIRROR_ORIGIN correspond to no mirror, horizontal mirror, vertical mirror, and about image center mirror respectively.