#include <optional>
#include "donner/base/Box.h"
#include "donner/base/Vector2.h"

Include dependency graph for ViewportGeometry.h:

Classes
struct	donner::editor::DrawingViewportLayout
	Computed layout for the Drawing window image, plus helpers for converting between screen coordinates and document coordinates. More...

Namespaces
namespace	donner
	Top-level Donner namespace, which is split into different sub-namespaces such as donner::svg and donner::css.

Functions
DrawingViewportLayout	donner::editor::ComputeDrawingViewportLayout (const Vector2d &contentOrigin, const Vector2d &availableRegionSize, const Vector2d &imageSize, const Vector2d &panOffset, const Box2d &documentViewBox)
	Computes the visible image placement in the Drawing window.

Function Documentation

◆ ComputeDrawingViewportLayout()

DrawingViewportLayout donner::editor::ComputeDrawingViewportLayout	(	const Vector2d &	contentOrigin,
		const Vector2d &	availableRegionSize,
		const Vector2d &	imageSize,
		const Vector2d &	panOffset,
		const Box2d &	documentViewBox )

nodiscard

Computes the visible image placement in the Drawing window.

Parameters

contentOrigin	Top-left screen position of the available drawing area.
availableRegionSize	Size of the available drawing area in screen coordinates.
imageSize	Rendered image size in screen coordinates.
panOffset	Pan offset in screen coordinates.
documentViewBox	Visible document-space viewBox.