程序包 ohos.agp.render

This package includes basic elements and features related to rendering.

It includes the Canvas, Paint, and RectFloat classes.

从以下版本开始:

1

类概要

类	说明
Arc	Describes parameters for drawing an arc.
BlurDrawLooper	Describes shadow attributes of a Paint.
Canvas	Provides various draw calls to draw 2D graphics.
ColorFilter	Represents the color filter of a paint.
ColorMatrix	Transforms the alpha and color values of a PixelMap object.
GroupShader	Represents a group shader.
Insets	Provides a wrapper class representing the offsets for the left, top, right, and bottom bounds of a rectangle.
LinearShader	Represents a shader that shades colors in linear manner.
MaskFilter	Represents the mask filter of a paint.
Paint	Describes drawing style and color.
Paint.FontMetrics	Describes fonts of the same size in multiple metrics.
Path	Represents a multiple-contoured path as a geometric compound of straight line segments, quadratic curves, and cubic curves.
PathEffect	Represents the path effects for drawing geometric graphics.
PathMeasure	Measures the length of a Path object.
PdfDisplay	Displays a PDF file imported from the file input stream.
PdfGenerator	Generates a PDF file based on canvas content.
PdfGenerator.PageInfo	Describes the metadata of a page in a PDF file.
PdfGenerator.PageInfo.Builder	A static inner class used to create PageInfo objects.
PdfGenerator.PdfPage	Defines a page in a PDF file.
Picture	Records drawing calls and then draw objects by playing the calls back to Canvas through Canvas#drawPicture.
PixelMapDrawInfo	Constant values used as parameters to Canvas#drawDeformedPixelMap(PixelMapHolder, PixelMapDrawInfo, Paint) calls.
PixelMapHolder	Provides container for PixelMap.
PixelMapShader	Draws pixelmaps into textures.
RadialShader	Represents a shader that shades colors in radial manner around a center point.
Region	Represents a region composed of multiple rectangles.
RegionIterator	Represents the iterator of Region.
Shader	Base class used to shade colors during drawing.
SweepShader	Represents a shader that shades colors in sweep manner around a center point.
Texture	Stores the pixelmap file representing the drawing result.
ThreeDimView	Calculates a three-dimensional transformation matrix.
Vertices	Provides methods for obtaining vertex information to draw triangles, including vertex modes, positions, texture coordinates and colors.

枚举概要

枚举	说明
BlendMode	Enumerates blend modes used for drawing objects on a Canvas.
Canvas.ClipOp	Enumerates the modes for clipping the canvas with a particular path.
Canvas.PorterDuffMode	Enumerates color blend modes.
Canvas.VertexMode	Enumerates graphic shapes formed by connecting vertices.
MaskFilter.Blur	Enumerates blur styles for a MaskFilter instance.
Paint.Join	Enumerates line join styles of a paint.
Paint.MaskType	Indicates the required shape for a mask.
Paint.ShaderType	Indicates the shader type, which specifies how the colors in the paint are shaded.
Paint.StrokeCap	Indicates the paint stroke cap, which specifies the shape of each drawing point of a paint stroke.
Paint.Style	Indicates the paint style type.
Path.AddPathMode	Enumerates the modes of adding a path to another path.
Path.ArcSize	Enumerates the modes of adding an arc.
Path.Direction	Enumerates drawing directions of a Path object.
Path.FillType	Enumerates filling types of a Path object.
PathEffect.Style	Enumerates the permutation styles of each shape in the path effect.
Region.Op	Enumerates operation types.
Shader.TileMode	Specifies how to shade colors on the part outside of the shading area defined by the Shader.
Texture.AlphaType	Enumerates alpha types of the texture.
Texture.ColorType	Enumerates pixel formats of the texture.