tachyon::ElementCustomDraw Struct Reference

callback fires before the children render; the after-list fires after the whole subtree. More...

#include <gui_core/elements/gui_element.h>

Public Attributes
CustomDrawCallback	callback
	fires before this element's children
uint32_t	afterHead = UINT32_MAX
	head of the after-draw list
uint32_t	afterTail = UINT32_MAX
	tail, for O(1) append
IntRect	afterDrawClipRectScreen = {}
	SCREEN-space scissor.
IntRect	afterDrawElementRectLayout = {}
	LAYOUT-space border-box.
IntRect	afterDrawInnerRectLayout = {}
	LAYOUT-space padding-box.
float3x2	afterDrawRenderTransform = {}
	inner-rect-local LAYOUT -> SCREEN pixels
float4	afterDrawPixelRect = {}
	the element's border box in window pixels
IntRect	afterDrawSnappedRect = {}
	snapped pixel rect custom-draw boxes snap to
float	afterDrawOpacity = 1.0f
	how opaque the owner is drawn

Detailed Description

callback fires before the children render; the after-list fires after the whole subtree.

Both use ancestor_accum * T(inner-rect.pos) * own.contentTransform. The afterDraw* fields snapshot rects/clip/transform when the owner renders, so after-callbacks see the same space.

Member Data Documentation

callback

CustomDrawCallback tachyon::ElementCustomDraw::callback

fires before this element's children

afterHead

uint32_t tachyon::ElementCustomDraw::afterHead = UINT32_MAX

head of the after-draw list

afterTail

uint32_t tachyon::ElementCustomDraw::afterTail = UINT32_MAX

tail, for O(1) append

afterDrawClipRectScreen

IntRect tachyon::ElementCustomDraw::afterDrawClipRectScreen = {}

SCREEN-space scissor.

afterDrawElementRectLayout

IntRect tachyon::ElementCustomDraw::afterDrawElementRectLayout = {}

LAYOUT-space border-box.

afterDrawInnerRectLayout

IntRect tachyon::ElementCustomDraw::afterDrawInnerRectLayout = {}

LAYOUT-space padding-box.

afterDrawRenderTransform

float3x2 tachyon::ElementCustomDraw::afterDrawRenderTransform = {}

inner-rect-local LAYOUT -> SCREEN pixels

afterDrawPixelRect

float4 tachyon::ElementCustomDraw::afterDrawPixelRect = {}

the element's border box in window pixels

afterDrawSnappedRect

IntRect tachyon::ElementCustomDraw::afterDrawSnappedRect = {}

snapped pixel rect custom-draw boxes snap to

afterDrawOpacity

float tachyon::ElementCustomDraw::afterDrawOpacity = 1.0f

how opaque the owner is drawn

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The documentation for this struct was generated from the following file:

• gui_core/elements/gui_element.h