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import vtkViewNode from 'vtk.js/Sources/Rendering/SceneGraph/ViewNode';
// ----------------------------------------------------------------------------
// vtkRenderWindowViewNode is intended to be a superclass for all api specific
// RenderWindows. It is intended to define a common API that can be invoked
// upon an api specific render window and provide some common method
// implementations. If your application requires communicating with an api specific
// view try to limit such interactions to methods defined in this class.
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// vtkRenderWindowViewNode methods
// ----------------------------------------------------------------------------
function vtkRenderWindowViewNode(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkRenderWindowViewNode');
publicAPI.getViewNodeFactory = () => null;
publicAPI.getAspectRatio = () => model.size[0] / model.size[1];
publicAPI.getAspectRatioForRenderer = (renderer) => {
const viewport = renderer.getViewportByReference();
return (
(model.size[0] * (viewport[2] - viewport[0])) /
((viewport[3] - viewport[1]) * model.size[1])
);
};
publicAPI.isInViewport = (x, y, viewport) => {
const vCoords = viewport.getViewportByReference();
const size = publicAPI.getFramebufferSize();
if (
vCoords[0] * size[0] <= x &&
vCoords[2] * size[0] >= x &&
vCoords[1] * size[1] <= y &&
vCoords[3] * size[1] >= y
) {
return true;
}
return false;
};
publicAPI.getViewportSize = (viewport) => {
const vCoords = viewport.getViewportByReference();
const size = publicAPI.getFramebufferSize();
return [
(vCoords[2] - vCoords[0]) * size[0],
(vCoords[3] - vCoords[1]) * size[1],
];
};
publicAPI.getViewportCenter = (viewport) => {
const size = publicAPI.getViewportSize(viewport);
return [size[0] * 0.5, size[1] * 0.5];
};
publicAPI.displayToNormalizedDisplay = (x, y, z) => {
const size = publicAPI.getFramebufferSize();
return [x / size[0], y / size[1], z];
};
publicAPI.normalizedDisplayToDisplay = (x, y, z) => {
const size = publicAPI.getFramebufferSize();
return [x * size[0], y * size[1], z];
};
publicAPI.worldToView = (x, y, z, renderer) => renderer.worldToView(x, y, z);
publicAPI.viewToWorld = (x, y, z, renderer) => renderer.viewToWorld(x, y, z);
publicAPI.worldToDisplay = (x, y, z, renderer) => {
const val = renderer.worldToView(x, y, z);
const dims = publicAPI.getViewportSize(renderer);
const val2 = renderer.viewToProjection(
val[0],
val[1],
val[2],
dims[0] / dims[1]
);
const val3 = renderer.projectionToNormalizedDisplay(
val2[0],
val2[1],
val2[2]
);
return publicAPI.normalizedDisplayToDisplay(val3[0], val3[1], val3[2]);
};
publicAPI.displayToWorld = (x, y, z, renderer) => {
const val = publicAPI.displayToNormalizedDisplay(x, y, z);
const val2 = renderer.normalizedDisplayToProjection(val[0], val[1], val[2]);
const dims = publicAPI.getViewportSize(renderer);
const val3 = renderer.projectionToView(
val2[0],
val2[1],
val2[2],
dims[0] / dims[1]
);
return renderer.viewToWorld(val3[0], val3[1], val3[2]);
};
publicAPI.normalizedDisplayToViewport = (x, y, z, renderer) => {
let vCoords = renderer.getViewportByReference();
vCoords = publicAPI.normalizedDisplayToDisplay(vCoords[0], vCoords[1], 0.0);
const coords = publicAPI.normalizedDisplayToDisplay(x, y, z);
return [coords[0] - vCoords[0] - 0.5, coords[1] - vCoords[1] - 0.5, z];
};
publicAPI.viewportToNormalizedViewport = (x, y, z, renderer) => {
const size = publicAPI.getViewportSize(renderer);
if (size && size[0] !== 0 && size[1] !== 0) {
return [x / (size[0] - 1.0), y / (size[1] - 1.0), z];
}
return [x, y, z];
};
publicAPI.normalizedViewportToViewport = (x, y, z, renderer) => {
const size = publicAPI.getViewportSize(renderer);
return [x * (size[0] - 1.0), y * (size[1] - 1.0), z];
};
publicAPI.displayToLocalDisplay = (x, y, z) => {
const size = publicAPI.getFramebufferSize();
return [x, size[1] - y - 1, z];
};
publicAPI.viewportToNormalizedDisplay = (x, y, z, renderer) => {
let vCoords = renderer.getViewportByReference();
vCoords = publicAPI.normalizedDisplayToDisplay(vCoords[0], vCoords[1], 0.0);
const x2 = x + vCoords[0] + 0.5;
const y2 = y + vCoords[1] + 0.5;
return publicAPI.displayToNormalizedDisplay(x2, y2, z);
};
publicAPI.getComputedDevicePixelRatio = () =>
model.size[0] / publicAPI.getContainerSize()[0];
publicAPI.getContainerSize = () => {
macro.vtkErrorMacro('not implemented');
};
publicAPI.getPixelData = (x1, y1, x2, y2) => {
macro.vtkErrorMacro('not implemented');
};
publicAPI.createSelector = () => {
macro.vtkErrorMacro('not implemented');
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
size: undefined,
selector: undefined,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
if (!model.size) {
model.size = [300, 300];
}
macro.getArray(publicAPI, model, ['size'], 2);
macro.get(publicAPI, model, ['selector']);
// Inheritance
vtkViewNode.extend(publicAPI, model, initialValues);
// Object methods
vtkRenderWindowViewNode(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkRenderWindowViewNode');
// ----------------------------------------------------------------------------
export default {
newInstance,
extend,
};
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