In Android, you need to display 2D graphics through the graphics class.The graphics include commonly used classes such as canvas, paint (brush), color (colors), Bitmap (image), and so on. Graphics have features such as drawing points, lines, colors, 2D geometries, and image processing.Canvas:void DrawRect (RECTF rect, paint p
difficult to understand. Then look at the picture:
MITER
ROUND
Bevel
The table above is the difference between the three styles, the difference is obvious, not repeat it here.Reference:* Setstrokecap (paint.cap Cap); * When the brush style is stroke or fill_or_stroke, set the brush's graphic style, such as circular style * cap.round, or square style cap.square* Setsrokejoin (Paint.join Join)
A summary of the methods of the Paint and Canvas classes in Android, canvas in Android
Common Methods of the Paint class
1. The setColor method is used to set the color of the paint brush,Public void setColor (int color) // The color parameter is the Color value. You can als
beginning and ending* Stroked lines and paths. The default is butt.*/Public Enum cap
Internal static class: we can see from the code that painting has a lot to do with this fontinfo.
Public static final class fontinfo {Font mfont;Java. AWT. fontmetrics mmetrics;}
There are three constructor types:
Public paint (){This (0 );}
Public paint (INT flags ){Setflags (flags | default_paint_flags );Initfont ();}
In Android, you need to use the graphics class to display 2D images.
Graphics includes Canvas, Paint, Color, Bitmap, and other common classes. Graphics supports drawing points, lines, colors, 2D ry, and image processing.
1. Color
There are three commonly used Color Representation Methods in Android:
(1) int color = Color. BLUE;
(2) int color = Color. argb (150,20
Reprint Please specify source:http://blog.csdn.net/allen315410/article/details/45059989Usually in Android development, it is generally less likely to use the paint--brush frequently. However, in some special cases, such as custom controls (inherited view), it is sometimes necessary to draw out brushes on the canvas (canvas, which will be described in the next article) as "drawing" out the elements we want.
Android Paint and Color painting examples, androidpaint
To draw a picture, first adjust the paint brush. After the paint brush is adjusted, draw the image on the canvas to display it on the mobile phone screen. The Paint brush in Android
Android Paint Canvar
Recently I have been studying custom controls and encountered geometric drawing. Here I will post a common example:
① First code in the main Activity:
Package com. example. mycustomwidget;Import android. app. Activity;Import android. content. Context;Import and
In Android, you need to display 2D graphics through the graphics class, which includes common classes such as canvas, paint (brush), color (colors), Bitmap (image), and so on. Graphics have features such as drawing points, lines, colors, 2D geometries, and image processing.1.Paint (Brush) classTo draw a graphic, you first have to adjust the brush to set the relev
object, the boundary of a rectangular area ellipse is used to define the shape, size, arc, parameter two is the starting angle (degrees) at the beginning of the arc,Parameter three sweep angle (degrees) begins to measure clockwise, parameter four is if this is true, including the Oval center arc, and close it if it is false it will be an arc, parameter five is the Paint object;Also understand a paint class
Document directory
Overview
Features
Overview
Paint. net is image and photo manipulation software designed to be used on computers that run Windows XP or 2000. paint. net is jointly developed at Washington State University with additional help from Microsoft, and is meant to be a free replacement for the MS
Basic tutorial for Android -- 8.3.14 Paint enumeration-Constant Value and ShadowLayer shadow effectBasic tutorial for Android -- 8.3.14 Paint several enumeration/constant values and ShadowLayer shadow effect
Tags (separated by spaces): basic Android tutorial
This section int
Reprint Please specify source:http://blog.csdn.net/allen315410/article/details/45077165In my previous blog, I summed up several subclasses and usages of colorfilter related to paint, the most commonly used colormatrixcolorfilter worth learning, by defining a color-valued 4*5 matrix, To set the various discoloration effects of paint. In addition, there are porterduffcolorfilter, it is not a lot of practical,
[Android] custom View, Canvas and Paint brush, androidcanvas
Android custom View is actually very simple. This View can use Java code to generate a series of components, just like "Android" uses Java code layout and buttons to add and click events "(click to open a link. You can also use it with Canvas and
Android Paint class introduction and setting of relief and shadow effectsPaint class Introduction
Paint is the Paint brush. You can use it to set drawing information such as the color and style of the drawing text and image.1. Drawing
SetARGB (int a, int r, int g, int B );
Set the color of the painting. a indicates tra
Yesterday we mentioned the ondraw method in the details of the three views on the android game development journey. For detailed implementation, we will mainly talk about the use of canvas and painting objects for Android today.
The canvas class mainly implements the Screen Painting Process, including many practical methods, such as drawing a path, area, texture, painting point, draw line, and rendering tex
Android UI-re-paint EditText and implement gradient of Button, ui-edittext
In this article, we implement a common re-drawing of EditText and adding gradient to buttons or windows.
Because EditText is inherited from TextView, you can re-paint EditText. When re-painting, you only need to inherit EditText and override its onDraw () method.
When adding gradient to a
Android custom View: Paint details, androidpaint
In the first article, I learned how to set various attributes using the Paint method, and used the drawxxx () method to draw various simple views. This article mainly gives a detailed understanding of the Paint and gives more detailed and brilliant results.
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