description

# RenderingContext class Null safety

Implemented types
  - CanvasRenderingContext
Annotations
  - @SupportedBrowser(SupportedBrowser.CHROME)
  - @SupportedBrowser(SupportedBrowser.FIREFOX)
  - @Unstable()
  - @Native("WebGLRenderingContext")

## Properties

canvas → CanvasElement
  read-only, override
drawingBufferHeight → int?
  read-only
drawingBufferWidth → int?
  read-only
hashCode → int
  The hash code for this object. [...]
  read-only, inherited
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited

## Methods

activeTexture(int texture) → void
attachShader(Program program, Shader shader) → void
bindAttribLocation(Program program, int index, String name) → void
bindBuffer(int target, Buffer? buffer) → void
bindFramebuffer(int target, Framebuffer? framebuffer) → void
bindRenderbuffer(int target, Renderbuffer? renderbuffer) → void
bindTexture(int target, Texture? texture) → void
blendColor(num red, num green, num blue, num alpha) → void
blendEquation(int mode) → void
blendEquationSeparate(int modeRGB, int modeAlpha) → void
blendFunc(int sfactor, int dfactor) → void
blendFuncSeparate(int srcRGB, int dstRGB, int srcAlpha, int dstAlpha) → void
bufferData(int target, dynamic data_OR_size, int usage) → void
bufferDataTyped(int target, TypedData data, int usage) → void
  Set the bufferData to `data`.
  @Deprecated("Use bufferData")
bufferSubData(int target, int offset, dynamic data) → void
bufferSubDataTyped(int target, int offset, TypedData data) → void
  Set the bufferSubData to `data`.
  @Deprecated("Use bufferSubData")
checkFramebufferStatus(int target) → int
clear(int mask) → void
clearColor(num red, num green, num blue, num alpha) → void
clearDepth(num depth) → void
clearStencil(int s) → void
colorMask(bool red, bool green, bool blue, bool alpha) → void
commit() → Future
compileShader(Shader shader) → void
compressedTexImage2D(int target, int level, int internalformat, int width, int height, int border, TypedData data) → void
compressedTexSubImage2D(int target, int level, int xoffset, int yoffset, int width, int height, int format, TypedData data) → void
copyTexImage2D(int target, int level, int internalformat, int x, int y, int width, int height, int border) → void
copyTexSubImage2D(int target, int level, int xoffset, int yoffset, int x, int y, int width, int height) → void
createBuffer() → Buffer
createFramebuffer() → Framebuffer
createProgram() → Program
createRenderbuffer() → Renderbuffer
createShader(int type) → Shader
createTexture() → Texture
cullFace(int mode) → void
deleteBuffer(Buffer? buffer) → void
deleteFramebuffer(Framebuffer? framebuffer) → void
deleteProgram(Program? program) → void
deleteRenderbuffer(Renderbuffer? renderbuffer) → void
deleteShader(Shader? shader) → void
deleteTexture(Texture? texture) → void
depthFunc(int func) → void
depthMask(bool flag) → void
depthRange(num zNear, num zFar) → void
detachShader(Program program, Shader shader) → void
disable(int cap) → void
disableVertexAttribArray(int index) → void
drawArrays(int mode, int first, int count) → void
drawElements(int mode, int count, int type, int offset) → void
enable(int cap) → void
enableVertexAttribArray(int index) → void
finish() → void
flush() → void
framebufferRenderbuffer(int target, int attachment, int renderbuffertarget, Renderbuffer? renderbuffer) → void
framebufferTexture2D(int target, int attachment, int textarget, Texture? texture, int level) → void
frontFace(int mode) → void
generateMipmap(int target) → void
getActiveAttrib(Program program, int index) → ActiveInfo
getActiveUniform(Program program, int index) → ActiveInfo
getAttachedShaders(Program program) → List<Shader>?
getAttribLocation(Program program, String name) → int
getBufferParameter(int target, int pname) → Object?
  @Creates('int|Null'), @Returns('int|Null')
getContextAttributes() → Map?
  @Creates('ContextAttributes|Null')
getError() → int
getExtension(String name) → Object?
getFramebufferAttachmentParameter(int target, int attachment, int pname) → Object?
  @Creates('int|Renderbuffer|Texture|Null'), @Returns('int|Renderbuffer|Texture|Null')
getParameter(int pname) → Object?
  @Creates('Null|num|String|bool|JSExtendableArray|NativeFloat32List|NativeInt32List|NativeUint32List|Framebuffer|Renderbuffer|Texture'), @Returns('Null|num|String|bool|JSExtendableArray|NativeFloat32List|NativeInt32List|NativeUint32List|Framebuffer|Renderbuffer|Texture')
getProgramInfoLog(Program program) → String?
getProgramParameter(Program program, int pname) → Object?
  @Creates('int|bool|Null'), @Returns('int|bool|Null')
getRenderbufferParameter(int target, int pname) → Object?
  @Creates('int|Null'), @Returns('int|Null')
getShaderInfoLog(Shader shader) → String?
getShaderParameter(Shader shader, int pname) → Object?
  @Creates('int|bool|Null'), @Returns('int|bool|Null')
getShaderPrecisionFormat(int shadertype, int precisiontype) → ShaderPrecisionFormat
getShaderSource(Shader shader) → String?
getSupportedExtensions() → List<String>?
getTexParameter(int target, int pname) → Object?
  @Creates('int|Null'), @Returns('int|Null')
getUniform(Program program, UniformLocation location) → Object?
  @Creates('Null|num|String|bool|JSExtendableArray|NativeFloat32List|NativeInt32List|NativeUint32List'), @Returns('Null|num|String|bool|JSExtendableArray|NativeFloat32List|NativeInt32List|NativeUint32List')
getUniformLocation(Program program, String name) → UniformLocation
getVertexAttrib(int index, int pname) → Object?
  @Creates('Null|num|bool|NativeFloat32List|Buffer'), @Returns('Null|num|bool|NativeFloat32List|Buffer')
getVertexAttribOffset(int index, int pname) → int
hint(int target, int mode) → void
isBuffer(Buffer? buffer) → bool
isContextLost() → bool
isEnabled(int cap) → bool
isFramebuffer(Framebuffer? framebuffer) → bool
isProgram(Program? program) → bool
isRenderbuffer(Renderbuffer? renderbuffer) → bool
isShader(Shader? shader) → bool
isTexture(Texture? texture) → bool
lineWidth(num width) → void
linkProgram(Program program) → void
noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
pixelStorei(int pname, int param) → void
polygonOffset(num factor, num units) → void
readPixels(int x, int y, int width, int height, int format, int type, TypedData? pixels) → void
renderbufferStorage(int target, int internalformat, int width, int height) → void
sampleCoverage(num value, bool invert) → void
scissor(int x, int y, int width, int height) → void
shaderSource(Shader shader, String string) → void
stencilFunc(int func, int ref, int mask) → void
stencilFuncSeparate(int face, int func, int ref, int mask) → void
stencilMask(int mask) → void
stencilMaskSeparate(int face, int mask) → void
stencilOp(int fail, int zfail, int zpass) → void
stencilOpSeparate(int face, int fail, int zfail, int zpass) → void
texImage2D(int target, int level, int internalformat, int format_OR_width, int height_OR_type, dynamic bitmap_OR_border_OR_canvas_OR_image_OR_pixels_OR_video, [int? format, int? type, TypedData? pixels]) → void
texImage2DTyped(int targetTexture, int levelOfDetail, int internalFormat, int width, int height, int border, int format, int type, TypedData data) → void
  Sets the currently bound texture to `data`. [...]
  @Deprecated("Use texImage2D")
texImage2DUntyped(int targetTexture, int levelOfDetail, int internalFormat, int format, int type, dynamic data) → void
  Sets the currently bound texture to `data`. [...]
  @Deprecated("Use texImage2D")
texParameterf(int target, int pname, num param) → void
texParameteri(int target, int pname, int param) → void
texSubImage2D(int target, int level, int xoffset, int yoffset, int format_OR_width, int height_OR_type, dynamic bitmap_OR_canvas_OR_format_OR_image_OR_pixels_OR_video, [int? type, TypedData? pixels]) → void
texSubImage2DTyped(int targetTexture, int levelOfDetail, int xOffset, int yOffset, int width, int height, int border, int format, int type, TypedData data) → void
  Updates a sub-rectangle of the currently bound texture to `data`.
  @Deprecated("Use texSubImage2D")
texSubImage2DUntyped(int targetTexture, int levelOfDetail, int xOffset, int yOffset, int format, int type, dynamic data) → void
  Updates a sub-rectangle of the currently bound texture to `data`. [...]
  @Deprecated("Use texSubImage2D")
toString() → String
  Returns a string representation of this object.
  inherited
uniform1f(UniformLocation? location, num x) → void
uniform1fv(UniformLocation? location, dynamic v) → void
uniform1i(UniformLocation? location, int x) → void
uniform1iv(UniformLocation? location, dynamic v) → void
uniform2f(UniformLocation? location, num x, num y) → void
uniform2fv(UniformLocation? location, dynamic v) → void
uniform2i(UniformLocation? location, int x, int y) → void
uniform2iv(UniformLocation? location, dynamic v) → void
uniform3f(UniformLocation? location, num x, num y, num z) → void
uniform3fv(UniformLocation? location, dynamic v) → void
uniform3i(UniformLocation? location, int x, int y, int z) → void
uniform3iv(UniformLocation? location, dynamic v) → void
uniform4f(UniformLocation? location, num x, num y, num z, num w) → void
uniform4fv(UniformLocation? location, dynamic v) → void
uniform4i(UniformLocation? location, int x, int y, int z, int w) → void
uniform4iv(UniformLocation? location, dynamic v) → void
uniformMatrix2fv(UniformLocation? location, bool transpose, dynamic array) → void
uniformMatrix3fv(UniformLocation? location, bool transpose, dynamic array) → void
uniformMatrix4fv(UniformLocation? location, bool transpose, dynamic array) → void
useProgram(Program? program) → void
validateProgram(Program program) → void
vertexAttrib1f(int indx, num x) → void
vertexAttrib1fv(int indx, dynamic values) → void
vertexAttrib2f(int indx, num x, num y) → void
vertexAttrib2fv(int indx, dynamic values) → void
vertexAttrib3f(int indx, num x, num y, num z) → void
vertexAttrib3fv(int indx, dynamic values) → void
vertexAttrib4f(int indx, num x, num y, num z, num w) → void
vertexAttrib4fv(int indx, dynamic values) → void
vertexAttribPointer(int indx, int size, int type, bool normalized, int stride, int offset) → void
viewport(int x, int y, int width, int height) → void

## Operators

operator ==(Object other) → bool
  The equality operator. [...]
  inherited

## Static Properties

supported → bool
  Checks if this type is supported on the current platform.
  read-only