slint::platform::SoftwareRenderer::PhysicalRegion Struct

struct PhysicalRegion;

C++

#include <slint-platform.h>

C++

Represents a region on the screen, used for partial rendering.

The region may be composed of multiple sub-regions.

Types

• Rect

Public Functions

bounding_box_size

PhysicalSize slint::platform::SoftwareRenderer::PhysicalRegion::bounding_box_size() const

Returns the size of the bounding box of this region.

bounding_box_origin

PhysicalPosition slint::platform::SoftwareRenderer::PhysicalRegion::bounding_box_origin() const

Returns the origin of the bounding box of this region.

rectangles

auto slint::platform::SoftwareRenderer::PhysicalRegion::rectangles() const

Returns a view on all the rectangles in this region. The rectangles do not overlap. The returned type is a C++ view over PhysicalRegion::Rect structs.

It can be used like so:

for (auto [origin, size] : region.rectangles()) {
    // Do something with the rect
}

C++