graphic

问题 How can I automatically determine whether an image file depicts a photo or a 'graphic'? For example using Imagemagick? 回答1: I am somewhat at the limits of my knowledge here, but I read a paper and have worked out a way to calculate image entropy with ImageMagick - some clever person might like to check it! #!/bin/bash image=$1 # Get number of pixels in image px=$(convert -format "%w*%h\n" "$image" info:|bc) # Calculate entropy # See this paper www1.idc.ac.il/toky/imageProc-10/Lectures/04

问题 My problem is that I want to draw a dashed line in a panel, I'm able to do it but it draw my border in dashed line as well, which is oh my god! Can someone please explain why? I'm using paintComponent to draw and draw straight to the panel this is the code to draw dashed line: public void drawDashedLine(Graphics g, int x1, int y1, int x2, int y2){ Graphics2D g2d = (Graphics2D) g; //float dash[] = {10.0f}; Stroke dashed = new BasicStroke(3, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0, new

问题 I just wrote the code for tower of hanoi in c and I wanted to show the solution in graphical mode using characters. I want to use windows.h and SetConsoleCursorPosition function to move cursor in console. Could you help me by telling me have does this function works and how to use it?Please give some examples. 回答1: Here's an example of how to call the SetConsoleCursorPosition function, taken from cplusplus: void GoToXY(int column, int line) { // Create a COORD structure and fill in its