Method of Generating Arbitrary Triangular Filled Picture Components Based on FPGA

Abstract

The invention discloses a method for generating an arbitrary triangle filling picture component based on FPGA, which includes 1. obtaining the coordinates and color values ​​of 3 vertices of the triangle; 2. generating a first block of RAM and a second block of RAM inside the image signal generator, 3. Initialize the above 2 blocks of RAM, 4. Generate the horizontal and vertical coordinates of each pixel in the 3 sides of the triangle filling picture, 5. Obtain the minimum level corresponding to each vertical coordinate among the effective pixels of the triangle filling picture Coordinates, 6. Obtain the maximum horizontal coordinate corresponding to each vertical coordinate in the effective pixels of the triangle-filled picture, 7. Scan each coordinate point within the rectangle circumscribed by the triangle to determine whether each pixel is located in the triangle. Pixels within the triangle are assigned color values. The invention can utilize FPGA to generate complex logic pictures such as arbitrary triangle filling picture components.

Description

technical field [0001] The present invention relates to the technical field of liquid crystal module testing, in particular to an FPGA (Field-Programmable Gate Array, Field Programmable Gate Array)-based method for generating arbitrary triangle-filled picture components. Background technique [0002] With the increasing popularity of home theaters, large-screen, high-resolution liquid crystal displays have gradually become the mainstream. In the production process of liquid crystal displays, they need to be detected by picture signal generators. [0003] The traditional picture signal generator uses bmp (Bitmap) image as the image source. When testing large-screen and high-resolution liquid crystal displays, the corresponding bmp image has a large amount of data, which requires high hardware requirements for the signal generator. The picture is not smooth. Under the premise of not increasing the hardware cost, FPGA (based on the hardware structure of FPGA to generate pictur...

AI Technical Summary

Problems solved by technology

[0003] The traditional picture signal generator uses bmp (Bitmap) image as the image source. When testing large-screen and high-resolution liquid crystal displays, the corresponding bmp image has a large amount of data, which requires high hardware requirements for the signal generator. The picture is not smooth

Under the premise of not increasing the hardware cost, FPGA (based on the hardware structure of FPGA to generate picture data such as figure 1 As shown, it includes a human-computer interaction module, a data analysis module, an image signal generator, a synchronous dynamic random access memory, a synchronous dynamic random access memory controller and an image output encoding module, wherein the data analysis module, an image signal generator, and a synchronous dynamic random access memory , synchronous dynamic random memory controller and image output encoding module are internal components of FPGA) to generate picture data, that is, logic picture to replace part of bmp picture, but it is limited to produce the simplest logic picture (such as horizontal gradient picture, rectangle images with fixed styles such as border images and rectangle fill images), so there is a problem of insufficient detection of liquid crystal displays

At present, it is not possible to use FPGA to generate complex logic screens such as arbitrary triangle-filled screen components.

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