crop()

std::shared_ptr< Core::VKImage > MayaFlux::Yantra::VisionExtractor::crop	(	const std::shared_ptr< Core::VKImage > &	source,
		const Kinesis::Vision::VisionAnalysis &	analysis,
		uint32_t	out_w,
		uint32_t	out_h
	)

Crop of source at the focused element, or track/keypoint bounds.

Null with nothing to crop.

Definition at line 344 of file VisionExtractor.cpp.

{
    const auto region = region_for_analysis(analysis);
    if (!region)
        return nullptr;
 
    auto& ctx = image_context();
    use_shader(ctx, "vision_crop.comp.spv", k_wg_image, sizeof(CropPC));
    ctx.stage_image(source);
    ctx.set_push_constants(CropPC {
        .src_x = region->x, .src_y = region->y, .src_w = region->w, .src_h = region->h,
        .out_w = out_w, .out_h = out_h });
    return dispatch_image(ctx, out_w, out_h);
}

References image_context(), out_h, out_w, and region_for_analysis().

Referenced by run_operation().

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