OpenGLRenderer Class Reference

Member Function Documentation

> All members, including inherited

boxShadow()

void OpenGLRenderer::boxShadow ( glm::vec2 position, glm::vec2 size, float blurRadius, const AColor & color )

overridevirtual

Parameters

position	position
size	rectangle size
blurRadius	blur radius
color	shadow color

Implements IRenderer.

boxShadowInner()

void OpenGLRenderer::boxShadowInner ( glm::vec2 position, glm::vec2 size, float blurRadius, float spreadRadius, float borderRadius, const AColor & color, glm::vec2 offset )

overridevirtual

Parameters

position	position
size	rectangle size
blurRadius	blur radius
spreadRadius	spread (offset) radius
borderRadius	border radius of the rectangle.
color	shadow color
offset	shadow offset. Unlike outer shadow (ctx.render.boxShadow), the offset is passed to the shader instead of a simple rectangle position offset.

Implements IRenderer.

createNewTexture()

_unique< ITexture > OpenGLRenderer::createNewTexture ( )

overrideprotectedvirtual

Implements IRenderer.

getProjectionMatrix()

glm::mat4 OpenGLRenderer::getProjectionMatrix ( ) const

overridevirtual

Implements IRenderer.

lines() [1/2]

void OpenGLRenderer::lines ( const ABrush & brush, AArrayView< glm::vec2 > points, const ABorderStyle & style, AMetric width )

overridevirtual

Parameters

brush	brush
points	polyline points
style	style
width	line width

Implements IRenderer.

lines() [2/2]

void OpenGLRenderer::lines ( const ABrush & brush, AArrayView< std::pair< glm::vec2, glm::vec2 > > points, const ABorderStyle & style, AMetric width )

overridevirtual

Parameters

brush	brush
points	line points
style	style
width	line width

Implements IRenderer.

newMultiStringCanvas()

_< IMultiStringCanvas > OpenGLRenderer::newMultiStringCanvas ( const AFontStyle & style )

overridevirtual

Returns

a new instance of IMultiStringCanvas

Implements IRenderer.

newRenderViewToTexture()

_unique< IRenderViewToTexture > OpenGLRenderer::newRenderViewToTexture ( )

overridevirtualnoexcept

Returns

A new instance. Can return null if unsupported.

Implements IRenderer.

points()

void OpenGLRenderer::points ( const ABrush & brush, AArrayView< glm::vec2 > points, AMetric size )

overridevirtual

Parameters

brush	brush
points	points
size	point size

Implements IRenderer.

popMaskAfter()

void OpenGLRenderer::popMaskAfter ( )

overridevirtual

Stencil buffer should not be changed after calling this function. Should be called after the popMaskBefore function.

Implements IRenderer.

popMaskBefore()

void OpenGLRenderer::popMaskBefore ( )

overridevirtual

Stencil pixel is decreased by each affected pixel. Should be called before the popMaskAfter function.

Implements IRenderer.

prerenderString()

_< IPrerenderedString > OpenGLRenderer::prerenderString ( glm::vec2 position, const AString & text, const AFontStyle & fs )

overridevirtual

Parameters

position	string's top left point
text	string to prerender
fs	font style

Returns

an instance of IPrerenderedString

Implements IRenderer.

pushMaskAfter()

void OpenGLRenderer::pushMaskAfter ( )

overridevirtual

Stencil buffer should not be changed after calling this function. Should be called after the pushMaskBefore function.

Implements IRenderer.

pushMaskBefore()

void OpenGLRenderer::pushMaskBefore ( )

overridevirtual

Stencil pixel is increased by each affected pixel. Should be called before the pushMaskAfter function.

Implements IRenderer.

rectangle()

void OpenGLRenderer::rectangle ( const ABrush & brush, glm::vec2 position, glm::vec2 size )

overridevirtual

Parameters

brush	brush to use
position	rectangle position (px)
size	rectangle size (px)

Implements IRenderer.

rectangleBorder()

void OpenGLRenderer::rectangleBorder ( const ABrush & brush, glm::vec2 position, glm::vec2 size, float lineWidth )

overridevirtual

Parameters

brush	brush to use
position	rectangle position (px)
size	rectangle size (px)
lineWidth	border line width (px)

Implements IRenderer.

roundedRectangle()

void OpenGLRenderer::roundedRectangle ( const ABrush & brush, glm::vec2 position, glm::vec2 size, float radius )

overridevirtual

Parameters

brush	brush to use
position	rectangle position (px)
size	rectangle size (px)
radius	corner radius (px)

Implements IRenderer.

roundedRectangleBorder()

void OpenGLRenderer::roundedRectangleBorder ( const ABrush & brush, glm::vec2 position, glm::vec2 size, float radius, int borderWidth )

overridevirtual

Parameters

brush	brush to use
position	rectangle position (px)
size	rectangle size (px)
radius	corner radius (px)
borderWidth	border line width (px)

Implements IRenderer.

setBlending()

void OpenGLRenderer::setBlending ( Blending blending )

overridevirtual

Parameters

blending

new blending mode

Implements IRenderer.

squareSector()

void OpenGLRenderer::squareSector ( const ABrush & brush, const glm::vec2 & position, const glm::vec2 & size, AAngleRadians begin, AAngleRadians end )

overridevirtual

Parameters

brush	brush to use
position	rectangle position (px)
size	rectangle size (px)
begin	begin angle of the sector
end	end angle of the sector

The method can be used as mask to ctx.render.roundedRect, creating arc shape.

Implements IRenderer.

string()

void OpenGLRenderer::string ( glm::vec2 position, const AString & string, const AFontStyle & fs )

overridevirtual

Parameters

position	string's top left point
string	string to render
fs	font style (optional)

Note

This function is dramatically inefficient since it does symbol lookup for every character is the string and does GPU buffer allocations. If you want to render the same string for several times (frames), consider using the IRenderer::prerenderString function or high level views (such as ALabel) instead.

Implements IRenderer.

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