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import macro from 'vtk.js/Sources/macros';
import Constants from 'vtk.js/Sources/Rendering/OpenGL/HardwareSelector/Constants';
import vtkHardwareSelector from 'vtk.js/Sources/Rendering/Core/HardwareSelector';
import vtkOpenGLFramebuffer from 'vtk.js/Sources/Rendering/OpenGL/Framebuffer';
import vtkSelectionNode from 'vtk.js/Sources/Common/DataModel/SelectionNode';
import vtkDataSet from 'vtk.js/Sources/Common/DataModel/DataSet';
const { PassTypes } = Constants;
const { SelectionContent, SelectionField } = vtkSelectionNode;
const { FieldAssociations } = vtkDataSet;
const { vtkErrorMacro } = macro;
const idOffset = 1;
function getInfoHash(info) {
return `${info.propID} ${info.compositeID}`;
}
function getAlpha(xx, yy, pb, area) {
Iif (!pb) {
return 0;
}
const offset = (yy * (area[2] - area[0] + 1) + xx) * 4;
return pb[offset + 3];
}
function convert(xx, yy, pb, area) {
if (!pb) {
return 0;
}
const offset = (yy * (area[2] - area[0] + 1) + xx) * 4;
const r = pb[offset];
const g = pb[offset + 1];
const b = pb[offset + 2];
return (b * 256 + g) * 256 + r;
}
function getID(low24, high8) {
/* eslint-disable no-bitwise */
let val = high8;
val <<= 24;
val |= low24;
return val;
/* eslint-enable no-bitwise */
}
function getPixelInformationWithData(
buffdata,
inDisplayPosition,
maxDistance,
outSelectedPosition
) {
// Base case
const maxDist = maxDistance < 0 ? 0 : maxDistance;
if (maxDist === 0) {
outSelectedPosition[0] = inDisplayPosition[0];
outSelectedPosition[1] = inDisplayPosition[1];
Iif (
inDisplayPosition[0] < buffdata.area[0] ||
inDisplayPosition[0] > buffdata.area[2] ||
inDisplayPosition[1] < buffdata.area[1] ||
inDisplayPosition[1] > buffdata.area[3]
) {
return null;
}
// offset inDisplayPosition based on the lower-left-corner of the Area.
const displayPosition = [
inDisplayPosition[0] - buffdata.area[0],
inDisplayPosition[1] - buffdata.area[1],
];
const actorid = convert(
displayPosition[0],
displayPosition[1],
buffdata.pixBuffer[PassTypes.ACTOR_PASS],
buffdata.area
);
if (actorid <= 0 || actorid - idOffset >= buffdata.props.length) {
// the pixel did not hit any actor.
return null;
}
const info = {};
info.valid = true;
info.propID = actorid - idOffset;
info.prop = buffdata.props[info.propID];
let compositeID = convert(
displayPosition[0],
displayPosition[1],
buffdata.pixBuffer[PassTypes.COMPOSITE_INDEX_PASS],
buffdata.area
);
Iif (compositeID < 0 || compositeID > 0xffffff) {
compositeID = 0;
}
info.compositeID = compositeID - idOffset;
if (buffdata.captureZValues) {
const offset =
(displayPosition[1] * (buffdata.area[2] - buffdata.area[0] + 1) +
displayPosition[0]) *
4;
info.zValue =
(256 * buffdata.zBuffer[offset] + buffdata.zBuffer[offset + 1]) /
65535.0;
info.displayPosition = inDisplayPosition;
}
if (buffdata.pixBuffer[PassTypes.ID_LOW24]) {
if (
getAlpha(
displayPosition[0],
displayPosition[1],
buffdata.pixBuffer[PassTypes.ID_LOW24],
buffdata.area
) === 0.0
) {
return info;
}
}
const low24 = convert(
displayPosition[0],
displayPosition[1],
buffdata.pixBuffer[PassTypes.ID_LOW24],
buffdata.area
);
const high24 = convert(
displayPosition[0],
displayPosition[1],
buffdata.pixBuffer[PassTypes.ID_HIGH24],
buffdata.area
);
info.attributeID = getID(low24, high24, 0);
return info;
}
// Iterate over successively growing boxes.
// They recursively call the base case to handle single pixels.
const dispPos = [inDisplayPosition[0], inDisplayPosition[1]];
const curPos = [0, 0];
let info = getPixelInformationWithData(
buffdata,
inDisplayPosition,
0,
outSelectedPosition
);
if (info && info.valid) {
return info;
}
for (let dist = 1; dist < maxDist; ++dist) {
// Vertical sides of box.
for (
let y = dispPos[1] > dist ? dispPos[1] - dist : 0;
y <= dispPos[1] + dist;
++y
) {
curPos[1] = y;
if (dispPos[0] >= dist) {
curPos[0] = dispPos[0] - dist;
info = getPixelInformationWithData(
buffdata,
curPos,
0,
outSelectedPosition
);
if (info && info.valid) {
return info;
}
}
curPos[0] = dispPos[0] + dist;
info = getPixelInformationWithData(
buffdata,
curPos,
0,
outSelectedPosition
);
if (info && info.valid) {
return info;
}
}
// Horizontal sides of box.
for (
let x = dispPos[0] >= dist ? dispPos[0] - (dist - 1) : 0;
x <= dispPos[0] + (dist - 1);
++x
) {
curPos[0] = x;
if (dispPos[1] >= dist) {
curPos[1] = dispPos[1] - dist;
info = getPixelInformationWithData(
buffdata,
curPos,
0,
outSelectedPosition
);
if (info && info.valid) {
return info;
}
}
curPos[1] = dispPos[1] + dist;
info = getPixelInformationWithData(
buffdata,
curPos,
0,
outSelectedPosition
);
if (info && info.valid) {
return info;
}
}
}
// nothing hit.
outSelectedPosition[0] = inDisplayPosition[0];
outSelectedPosition[1] = inDisplayPosition[1];
return null;
}
//-----------------------------------------------------------------------------
function convertSelection(
fieldassociation,
dataMap,
captureZValues,
renderer,
openGLRenderWindow
) {
const sel = [];
let count = 0;
dataMap.forEach((value, key) => {
const child = vtkSelectionNode.newInstance();
child.setContentType(SelectionContent.INDICES);
switch (fieldassociation) {
case FieldAssociations.FIELD_ASSOCIATION_CELLS:
child.setFieldType(SelectionField.CELL);
break;
case FieldAssociations.FIELD_ASSOCIATION_POINTS:
child.setFieldType(SelectionField.POINT);
break;
default:
vtkErrorMacro('Unknown field association');
}
child.getProperties().propID = value.info.propID;
child.getProperties().prop = value.info.prop;
child.getProperties().compositeID = value.info.compositeID;
child.getProperties().attributeID = value.info.attributeID;
child.getProperties().pixelCount = value.pixelCount;
if (captureZValues) {
child.getProperties().displayPosition = [
value.info.displayPosition[0],
value.info.displayPosition[1],
value.info.zValue,
];
child.getProperties().worldPosition = openGLRenderWindow.displayToWorld(
value.info.displayPosition[0],
value.info.displayPosition[1],
value.info.zValue,
renderer
);
}
child.setSelectionList(value.attributeIDs);
sel[count] = child;
count++;
});
return sel;
}
//----------------------------------------------------------------------------
function generateSelectionWithData(buffdata, fx1, fy1, fx2, fy2) {
const x1 = Math.floor(fx1);
const y1 = Math.floor(fy1);
const x2 = Math.floor(fx2);
const y2 = Math.floor(fy2);
const dataMap = new Map();
const outSelectedPosition = [0, 0];
for (let yy = y1; yy <= y2; yy++) {
for (let xx = x1; xx <= x2; xx++) {
const pos = [xx, yy];
const info = getPixelInformationWithData(
buffdata,
pos,
0,
outSelectedPosition
);
if (info && info.valid) {
const hash = getInfoHash(info);
if (!dataMap.has(hash)) {
dataMap.set(hash, {
info,
pixelCount: 1,
attributeIDs: [info.attributeID],
});
} else {
const dmv = dataMap.get(hash);
dmv.pixelCount++;
if (buffdata.captureZValues) {
if (info.zValue < dmv.info.zValue) {
dmv.info = info;
}
}
if (dmv.attributeIDs.indexOf(info.attributeID) === -1) {
dmv.attributeIDs.push(info.attributeID);
}
}
}
}
}
return convertSelection(
buffdata.fieldAssociation,
dataMap,
buffdata.captureZValues,
buffdata.renderer,
buffdata.openGLRenderWindow
);
}
// ----------------------------------------------------------------------------
// vtkOpenGLHardwareSelector methods
// ----------------------------------------------------------------------------
function vtkOpenGLHardwareSelector(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkOpenGLHardwareSelector');
//----------------------------------------------------------------------------
publicAPI.releasePixBuffers = () => {
model.rawPixBuffer = [];
model.pixBuffer = [];
model.zBuffer = null;
};
//----------------------------------------------------------------------------
publicAPI.beginSelection = () => {
model._openGLRenderer = model._openGLRenderWindow.getViewNodeFor(
model._renderer
);
model.maxAttributeId = 0;
const size = model._openGLRenderWindow.getSize();
if (!model.framebuffer) {
model.framebuffer = vtkOpenGLFramebuffer.newInstance();
model.framebuffer.setOpenGLRenderWindow(model._openGLRenderWindow);
model.framebuffer.saveCurrentBindingsAndBuffers();
model.framebuffer.create(size[0], size[1]);
// this calls model.framebuffer.bind()
model.framebuffer.populateFramebuffer();
} else {
model.framebuffer.setOpenGLRenderWindow(model._openGLRenderWindow);
model.framebuffer.saveCurrentBindingsAndBuffers();
const fbSize = model.framebuffer.getSize();
Iif (!fbSize || fbSize[0] !== size[0] || fbSize[1] !== size[1]) {
model.framebuffer.create(size[0], size[1]);
// this calls model.framebuffer.bind()
model.framebuffer.populateFramebuffer();
} else {
model.framebuffer.bind();
}
}
model._openGLRenderer.clear();
model._openGLRenderer.setSelector(publicAPI);
model.hitProps = {};
model.propPixels = {};
model.props = [];
publicAPI.releasePixBuffers();
if (model.fieldAssociation === FieldAssociations.FIELD_ASSOCIATION_POINTS) {
const gl = model._openGLRenderWindow.getContext();
const originalBlending = gl.isEnabled(gl.BLEND);
gl.disable(gl.BLEND);
model._openGLRenderWindow.traverseAllPasses();
if (originalBlending) {
gl.enable(gl.BLEND);
}
}
};
//----------------------------------------------------------------------------
publicAPI.endSelection = () => {
model.hitProps = {};
model._openGLRenderer.setSelector(null);
model.framebuffer.restorePreviousBindingsAndBuffers();
};
publicAPI.preCapturePass = () => {
const gl = model._openGLRenderWindow.getContext();
// Disable blending
model.originalBlending = gl.isEnabled(gl.BLEND);
gl.disable(gl.BLEND);
};
publicAPI.postCapturePass = () => {
const gl = model._openGLRenderWindow.getContext();
// Restore blending if it was enabled prior to the capture
if (model.originalBlending) {
gl.enable(gl.BLEND);
}
};
//----------------------------------------------------------------------------
publicAPI.select = () => {
let sel = null;
if (publicAPI.captureBuffers()) {
sel = publicAPI.generateSelection(
model.area[0],
model.area[1],
model.area[2],
model.area[3]
);
publicAPI.releasePixBuffers();
}
return sel;
};
publicAPI.getSourceDataAsync = async (renderer, fx1, fy1, fx2, fy2) => {
// assign the renderer
model._renderer = renderer;
// set area to all if no arguments provided
Iif (fx1 === undefined) {
const size = model._openGLRenderWindow.getSize();
publicAPI.setArea(0, 0, size[0] - 1, size[1] - 1);
} else {
publicAPI.setArea(fx1, fy1, fx2, fy2);
}
// just do capture buffers and package up the result
Iif (!publicAPI.captureBuffers()) {
return false;
}
const result = {
area: [...model.area],
pixBuffer: [...model.pixBuffer],
captureZValues: model.captureZValues,
zBuffer: model.zBuffer,
props: [...model.props],
fieldAssociation: model.fieldAssociation,
renderer,
openGLRenderWindow: model._openGLRenderWindow,
};
result.generateSelection = (...args) =>
generateSelectionWithData(result, ...args);
return result;
};
//----------------------------------------------------------------------------
publicAPI.captureBuffers = () => {
Iif (!model._renderer || !model._openGLRenderWindow) {
vtkErrorMacro('Renderer and view must be set before calling Select.');
return false;
}
model._openGLRenderer = model._openGLRenderWindow.getViewNodeFor(
model._renderer
);
// todo revisit making selection part of core
// then we can do this in core
model._openGLRenderWindow.getRenderable().preRender();
// int rgba[4];
// rwin.getColorBufferSizes(rgba);
// if (rgba[0] < 8 || rgba[1] < 8 || rgba[2] < 8) {
// vtkErrorMacro("Color buffer depth must be at least 8 bit. "
// "Currently: " << rgba[0] << ", " << rgba[1] << ", " <<rgba[2]);
// return false;
// }
publicAPI.invokeEvent({ type: 'StartEvent' });
// Initialize renderer for selection.
// change the renderer's background to black, which will indicate a miss
model.originalBackground = model._renderer.getBackgroundByReference();
model._renderer.setBackground(0.0, 0.0, 0.0, 0.0);
const rpasses = model._openGLRenderWindow.getRenderPasses();
publicAPI.beginSelection();
const pixelBufferSavedPasses = [];
for (
model.currentPass = PassTypes.MIN_KNOWN_PASS;
model.currentPass <= PassTypes.MAX_KNOWN_PASS;
model.currentPass++
) {
if (publicAPI.passRequired(model.currentPass)) {
publicAPI.preCapturePass(model.currentPass);
if (
model.captureZValues &&
model.currentPass === PassTypes.ACTOR_PASS &&
typeof rpasses[0].requestDepth === 'function' &&
typeof rpasses[0].getFramebuffer === 'function'
) {
rpasses[0].requestDepth();
model._openGLRenderWindow.traverseAllPasses();
} else {
model._openGLRenderWindow.traverseAllPasses();
}
publicAPI.postCapturePass(model.currentPass);
publicAPI.savePixelBuffer(model.currentPass);
pixelBufferSavedPasses.push(model.currentPass);
}
}
// Process pixel buffers
pixelBufferSavedPasses.forEach((pass) => {
model.currentPass = pass;
publicAPI.processPixelBuffers();
});
model.currentPass = PassTypes.MAX_KNOWN_PASS;
publicAPI.endSelection();
// restore original background
model._renderer.setBackground(model.originalBackground);
publicAPI.invokeEvent({ type: 'EndEvent' });
// restore image, not needed?
// model._openGLRenderWindow.traverseAllPasses();
return true;
};
publicAPI.processPixelBuffers = () => {
model.props.forEach((prop, index) => {
if (publicAPI.isPropHit(index)) {
prop.processSelectorPixelBuffers(publicAPI, model.propPixels[index]);
}
});
};
//----------------------------------------------------------------------------
publicAPI.passRequired = (pass) => {
if (pass === PassTypes.ID_HIGH24) {
if (
model.fieldAssociation === FieldAssociations.FIELD_ASSOCIATION_POINTS
) {
return model.maximumPointId > 0x00ffffff;
}
if (
model.fieldAssociation === FieldAssociations.FIELD_ASSOCIATION_CELLS
) {
return model.maximumCellId > 0x00ffffff;
}
}
return true;
};
//----------------------------------------------------------------------------
publicAPI.savePixelBuffer = (passNo) => {
model.pixBuffer[passNo] = model._openGLRenderWindow.getPixelData(
model.area[0],
model.area[1],
model.area[2],
model.area[3]
);
if (!model.rawPixBuffer[passNo]) {
const size =
(model.area[2] - model.area[0] + 1) *
(model.area[3] - model.area[1] + 1) *
4;
model.rawPixBuffer[passNo] = new Uint8Array(size);
model.rawPixBuffer[passNo].set(model.pixBuffer[passNo]);
}
if (passNo === PassTypes.ACTOR_PASS) {
if (model.captureZValues) {
const rpasses = model._openGLRenderWindow.getRenderPasses();
if (
typeof rpasses[0].requestDepth === 'function' &&
typeof rpasses[0].getFramebuffer === 'function'
) {
const fb = rpasses[0].getFramebuffer();
fb.saveCurrentBindingsAndBuffers();
fb.bind();
model.zBuffer = model._openGLRenderWindow.getPixelData(
model.area[0],
model.area[1],
model.area[2],
model.area[3]
);
fb.restorePreviousBindingsAndBuffers();
}
}
publicAPI.buildPropHitList(model.rawPixBuffer[passNo]);
}
};
//----------------------------------------------------------------------------
publicAPI.buildPropHitList = (pixelbuffer) => {
let offset = 0;
for (let yy = 0; yy <= model.area[3] - model.area[1]; yy++) {
for (let xx = 0; xx <= model.area[2] - model.area[0]; xx++) {
let val = convert(xx, yy, pixelbuffer, model.area);
if (val > 0) {
val--;
if (!(val in model.hitProps)) {
model.hitProps[val] = true;
model.propPixels[val] = [];
}
model.propPixels[val].push(offset * 4);
}
++offset;
}
}
};
//----------------------------------------------------------------------------
publicAPI.renderProp = (prop) => {
if (model.currentPass === PassTypes.ACTOR_PASS) {
publicAPI.setPropColorValueFromInt(model.props.length + idOffset);
model.props.push(prop);
}
};
//----------------------------------------------------------------------------
publicAPI.renderCompositeIndex = (index) => {
if (model.currentPass === PassTypes.COMPOSITE_INDEX_PASS) {
publicAPI.setPropColorValueFromInt(index + idOffset);
}
};
//----------------------------------------------------------------------------
// TODO: make inline
publicAPI.renderAttributeId = (attribid) => {
if (attribid < 0) {
// negative attribid is valid. It happens when rendering higher order
// elements where new points are added for rendering smooth surfaces.
return;
}
model.maxAttributeId =
attribid > model.maxAttributeId ? attribid : model.maxAttributeId;
// if (model.currentPass < PassTypes.ID_LOW24) {
// return; // useless...
// }
};
//----------------------------------------------------------------------------
publicAPI.passTypeToString = (type) => macro.enumToString(PassTypes, type);
//----------------------------------------------------------------------------
publicAPI.isPropHit = (id) => Boolean(model.hitProps[id]);
publicAPI.setPropColorValueFromInt = (val) => {
model.propColorValue[0] = (val % 256) / 255.0;
model.propColorValue[1] = (Math.floor(val / 256) % 256) / 255.0;
model.propColorValue[2] = (Math.floor(val / 65536) % 256) / 255.0;
};
// info has
// valid
// propId
// prop
// compositeID
// attributeID
//----------------------------------------------------------------------------
publicAPI.getPixelInformation = (
inDisplayPosition,
maxDistance,
outSelectedPosition
) => {
// Base case
const maxDist = maxDistance < 0 ? 0 : maxDistance;
if (maxDist === 0) {
outSelectedPosition[0] = inDisplayPosition[0];
outSelectedPosition[1] = inDisplayPosition[1];
Iif (
inDisplayPosition[0] < model.area[0] ||
inDisplayPosition[0] > model.area[2] ||
inDisplayPosition[1] < model.area[1] ||
inDisplayPosition[1] > model.area[3]
) {
return null;
}
// offset inDisplayPosition based on the lower-left-corner of the Area.
const displayPosition = [
inDisplayPosition[0] - model.area[0],
inDisplayPosition[1] - model.area[1],
];
const actorid = convert(
displayPosition[0],
displayPosition[1],
model.pixBuffer[PassTypes.ACTOR_PASS],
model.area
);
Iif (actorid <= 0 || actorid - idOffset >= model.props.length) {
// the pixel did not hit any actor.
return null;
}
const info = {};
info.valid = true;
info.propID = actorid - idOffset;
info.prop = model.props[info.propID];
let compositeID = convert(
displayPosition[0],
displayPosition[1],
model.pixBuffer[PassTypes.COMPOSITE_INDEX_PASS],
model.area
);
Iif (compositeID < 0 || compositeID > 0xffffff) {
compositeID = 0;
}
info.compositeID = compositeID - idOffset;
Iif (model.captureZValues) {
const offset =
(displayPosition[1] * (model.area[2] - model.area[0] + 1) +
displayPosition[0]) *
4;
info.zValue =
(256 * model.zBuffer[offset] + model.zBuffer[offset + 1]) / 65535.0;
info.displayPosition = inDisplayPosition;
}
// Skip attribute ids if alpha is zero (missed)
if (model.pixBuffer[PassTypes.ID_LOW24]) {
Iif (
getAlpha(
displayPosition[0],
displayPosition[1],
model.pixBuffer[PassTypes.ID_LOW24],
model.area
) === 0.0
) {
return info;
}
}
const low24 = convert(
displayPosition[0],
displayPosition[1],
model.pixBuffer[PassTypes.ID_LOW24],
model.area
);
const high24 = convert(
displayPosition[0],
displayPosition[1],
model.pixBuffer[PassTypes.ID_HIGH24],
model.area
);
info.attributeID = getID(low24, high24);
return info;
}
// Iterate over successively growing boxes.
// They recursively call the base case to handle single pixels.
const dispPos = [inDisplayPosition[0], inDisplayPosition[1]];
const curPos = [0, 0];
let info = publicAPI.getPixelInformation(
inDisplayPosition,
0,
outSelectedPosition
);
if (info && info.valid) {
return info;
}
for (let dist = 1; dist < maxDist; ++dist) {
// Vertical sides of box.
for (
let y = dispPos[1] > dist ? dispPos[1] - dist : 0;
y <= dispPos[1] + dist;
++y
) {
curPos[1] = y;
if (dispPos[0] >= dist) {
curPos[0] = dispPos[0] - dist;
info = publicAPI.getPixelInformation(curPos, 0, outSelectedPosition);
if (info && info.valid) {
return info;
}
}
curPos[0] = dispPos[0] + dist;
info = publicAPI.getPixelInformation(curPos, 0, outSelectedPosition);
if (info && info.valid) {
return info;
}
}
// Horizontal sides of box.
for (
let x = dispPos[0] >= dist ? dispPos[0] - (dist - 1) : 0;
x <= dispPos[0] + (dist - 1);
++x
) {
curPos[0] = x;
if (dispPos[1] >= dist) {
curPos[1] = dispPos[1] - dist;
info = publicAPI.getPixelInformation(curPos, 0, outSelectedPosition);
if (info && info.valid) {
return info;
}
}
curPos[1] = dispPos[1] + dist;
info = publicAPI.getPixelInformation(curPos, 0, outSelectedPosition);
if (info && info.valid) {
return info;
}
}
}
// nothing hit.
outSelectedPosition[0] = inDisplayPosition[0];
outSelectedPosition[1] = inDisplayPosition[1];
return null;
};
//----------------------------------------------------------------------------
publicAPI.generateSelection = (fx1, fy1, fx2, fy2) => {
const x1 = Math.floor(fx1);
const y1 = Math.floor(fy1);
const x2 = Math.floor(fx2);
const y2 = Math.floor(fy2);
const dataMap = new Map();
const outSelectedPosition = [0, 0];
for (let yy = y1; yy <= y2; yy++) {
for (let xx = x1; xx <= x2; xx++) {
const pos = [xx, yy];
const info = publicAPI.getPixelInformation(pos, 0, outSelectedPosition);
if (info && info.valid) {
const hash = getInfoHash(info);
if (!dataMap.has(hash)) {
dataMap.set(hash, {
info,
pixelCount: 1,
attributeIDs: [info.attributeID],
});
} else {
const dmv = dataMap.get(hash);
dmv.pixelCount++;
if (model.captureZValues) {
if (info.zValue < dmv.info.zValue) {
dmv.info = info;
}
}
if (dmv.attributeIDs.indexOf(info.attributeID) === -1) {
dmv.attributeIDs.push(info.attributeID);
}
}
}
}
}
return convertSelection(
model.fieldAssociation,
dataMap,
model.captureZValues,
model._renderer,
model._openGLRenderWindow
);
};
publicAPI.getRawPixelBuffer = (passNo) => model.rawPixBuffer[passNo];
publicAPI.getPixelBuffer = (passNo) => model.pixBuffer[passNo];
//----------------------------------------------------------------------------
publicAPI.attach = (openGLRenderWindow, renderer) => {
model._openGLRenderWindow = openGLRenderWindow;
model._renderer = renderer;
};
// override
const superSetArea = publicAPI.setArea;
publicAPI.setArea = (...args) => {
if (superSetArea(...args)) {
model.area[0] = Math.floor(model.area[0]);
model.area[1] = Math.floor(model.area[1]);
model.area[2] = Math.floor(model.area[2]);
model.area[3] = Math.floor(model.area[3]);
return true;
}
return false;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
area: undefined,
// _renderer: null,
// _openGLRenderWindow: null,
// _openGLRenderer: null,
currentPass: -1,
propColorValue: null,
props: null,
maximumPointId: 0,
maximumCellId: 0,
idOffset: 1,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Build VTK API
vtkHardwareSelector.extend(publicAPI, model, initialValues);
model.propColorValue = [0, 0, 0];
model.props = [];
if (!model.area) {
model.area = [0, 0, 0, 0];
}
macro.setGetArray(publicAPI, model, ['area'], 4);
macro.setGet(publicAPI, model, [
'_renderer',
'currentPass',
'_openGLRenderWindow',
'maximumPointId',
'maximumCellId',
]);
macro.setGetArray(publicAPI, model, ['propColorValue'], 3);
macro.moveToProtected(publicAPI, model, ['renderer', 'openGLRenderWindow']);
macro.event(publicAPI, model, 'event');
// Object methods
vtkOpenGLHardwareSelector(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(
extend,
'vtkOpenGLHardwareSelector'
);
// ----------------------------------------------------------------------------
export default { newInstance, extend, ...Constants };
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