The golang.org/x/image/font package just defines interfaces for font faces and drawing text on images. You may use the Go implementation of Freetype font rasterizer: github.com/golang/freetype. The key type is freetype.Context, it has all the methods you need. For a complete example, check out this file: example/freetype/main.go. This example loads a font file, creates and configures … Read more
You can start by defining a mask in the range of the red tones of the book you are looking for. Then you can just find the contour with the biggest area and draw the rectangular shape of the book. import numpy as np import cv2 # load the image image = cv2.imread(“path_to_your_image.png”, 1) # … Read more
After spending a whole day in Rnd and testing some alternatives I have found a solution. Actually I have found two alternatives for the same issue but I would like to suggest the using of Alternative 2 because that is really very easy compared to Alternative 1. Actually I have found Alternative 1 with the … Read more
You have to draw the circle view, and after that you should create an animation to it. Creating the circle view: public class Circle extends View { private static final int START_ANGLE_POINT = 90; private final Paint paint; private final RectF rect; private float angle; public Circle(Context context, AttributeSet attrs) { super(context, attrs); final int … Read more
You want an entity known as a cross mark: http://www.fileformat.info/info/unicode/char/274c/index.htm The code for it is ❌ and it displays like ❌ If you want a perfectly centered cross mark, like this: try the following CSS: div { height: 100px; width: 100px; background-color: #FA6900; border-radius: 5px; position: relative; } div:after { position: absolute; top: 0; bottom: … Read more
For API 21 and above the Path class added a new method addRoundRect() which you can use it like this. corners = new float[]{ 80, 80, // Top left radius in px 80, 80, // Top right radius in px 0, 0, // Bottom right radius in px 0, 0 // Bottom left radius in … Read more
<Polygon Points=”0,0 80,50, 0,100″ Stroke=”Black” Fill=”Black” /> See API or Example.
please don’t try with the old cv module, use cv2: import cv2 cv2.rectangle(img, (x1, y1), (x2, y2), (255,0,0), 2) x1,y1 —— | | | | | | ——–x2,y2 [edit] to append the follow-up questions below: cv2.imwrite(“my.png”,img) cv2.imshow(“lalala”, img) k = cv2.waitKey(0) # 0==wait forever
Thank you for your help. At last I could draw a line on the map. This is how I done it: /** Called when the activity is first created. */ private List<Overlay> mapOverlays; private Projection projection; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); linearLayout = (LinearLayout) findViewById(R.id.zoomview); mapView = (MapView) findViewById(R.id.mapview); mapView.setBuiltInZoomControls(true); mapOverlays = … Read more
Yes you can and here is one I made earlier: <?xml version=”1.0″ encoding=”UTF-8″?> <shape xmlns:android=”http://schemas.android.com/apk/res/android” android:id=”@+id/listview_background_shape”> <stroke android:width=”2dp” android:color=”#ff207d94″ /> <padding android:left=”2dp” android:top=”2dp” android:right=”2dp” android:bottom=”2dp” /> <corners android:radius=”5dp” /> <solid android:color=”#ffffffff” /> </shape> You can create a new XML file inside the drawable folder, and add the above code, then save it as rectangle.xml. To … Read more