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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | 1x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 95x 41x 95x 95x 95x 95x 95x 95x 95x 94x 94x 94x 95x 95x 95x 95x 95x 95x 95x 95x 95x 95x 95x 95x 95x 95x 95x 9x 9x 9x 9x 9x 9x 9x 9x 5x 4x 4x 6x 7x 7x 7x 7x 7x 5x 5x 5x 5x 1x 30x 5x 5x 5x 5x 1x | import macro from 'vtk.js/Sources/macros';
import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor';
import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper';
import vtkTexture from 'vtk.js/Sources/Rendering/Core/Texture';
import vtkCubeSource from 'vtk.js/Sources/Filters/Sources/CubeSource';
import ImageHelper from 'vtk.js/Sources/Common/Core/ImageHelper';
import Presets from 'vtk.js/Sources/Rendering/Core/AnnotatedCubeActor/Presets';
const FACE_TO_INDEX = {
xPlus: 0,
xMinus: 1,
yPlus: 2,
yMinus: 3,
zPlus: 4,
zMinus: 5,
};
// ----------------------------------------------------------------------------
// vtkAnnotatedCubeActor
// ----------------------------------------------------------------------------
function vtkAnnotatedCubeActor(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkAnnotatedCubeActor');
// Make sure face properties are not references to the default value
model.xPlusFaceProperty = { ...model.xPlusFaceProperty };
model.xMinusFaceProperty = { ...model.xMinusFaceProperty };
model.yPlusFaceProperty = { ...model.yPlusFaceProperty };
model.yMinusFaceProperty = { ...model.yMinusFaceProperty };
model.zPlusFaceProperty = { ...model.zPlusFaceProperty };
model.zMinusFaceProperty = { ...model.zMinusFaceProperty };
// private variables
let cubeSource = null;
const canvas = document.createElement('canvas');
const mapper = vtkMapper.newInstance();
const texture = vtkTexture.newInstance();
texture.setInterpolate(true);
// private methods
function updateFaceTexture(faceName, newProp = null) {
if (newProp) {
Object.assign(model[`${faceName}FaceProperty`], newProp);
}
const prop = {
...model.defaultStyle,
...model[`${faceName}FaceProperty`],
};
// set canvas resolution
canvas.width = prop.resolution;
canvas.height = prop.resolution;
const ctxt = canvas.getContext('2d');
// set background color
ctxt.fillStyle = prop.faceColor;
ctxt.fillRect(0, 0, canvas.width, canvas.height);
// draw edge
if (prop.edgeThickness > 0) {
ctxt.strokeStyle = prop.edgeColor;
ctxt.lineWidth = prop.edgeThickness * canvas.width;
ctxt.strokeRect(0, 0, canvas.width, canvas.height);
}
// set face rotation
ctxt.save();
// vertical flip
ctxt.translate(0, canvas.height);
ctxt.scale(1, -1);
ctxt.translate(canvas.width / 2, canvas.height / 2);
ctxt.rotate(-Math.PI * (prop.faceRotation / 180.0));
// set foreground text
const textSize = prop.fontSizeScale(prop.resolution);
ctxt.fillStyle = prop.fontColor;
ctxt.textAlign = 'center';
ctxt.textBaseline = 'middle';
ctxt.font = `${prop.fontStyle} ${textSize}px "${prop.fontFamily}"`;
ctxt.fillText(prop.text, 0, 0);
ctxt.restore();
const vtkImage = ImageHelper.canvasToImageData(canvas);
texture.setInputData(vtkImage, FACE_TO_INDEX[faceName]);
publicAPI.modified();
}
function updateAllFaceTextures() {
cubeSource = vtkCubeSource.newInstance({
generate3DTextureCoordinates: true,
});
mapper.setInputConnection(cubeSource.getOutputPort());
updateFaceTexture('xPlus');
updateFaceTexture('xMinus');
updateFaceTexture('yPlus');
updateFaceTexture('yMinus');
updateFaceTexture('zPlus');
updateFaceTexture('zMinus');
}
// public methods
publicAPI.setDefaultStyle = (style) => {
model.defaultStyle = { ...model.defaultStyle, ...style };
updateAllFaceTextures();
};
publicAPI.setXPlusFaceProperty = (prop) => updateFaceTexture('xPlus', prop);
publicAPI.setXMinusFaceProperty = (prop) => updateFaceTexture('xMinus', prop);
publicAPI.setYPlusFaceProperty = (prop) => updateFaceTexture('yPlus', prop);
publicAPI.setYMinusFaceProperty = (prop) => updateFaceTexture('yMinus', prop);
publicAPI.setZPlusFaceProperty = (prop) => updateFaceTexture('zPlus', prop);
publicAPI.setZMinusFaceProperty = (prop) => updateFaceTexture('zMinus', prop);
// constructor
updateAllFaceTextures();
// set mapper
mapper.setInputConnection(cubeSource.getOutputPort());
publicAPI.setMapper(mapper);
// set texture
publicAPI.addTexture(texture);
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
export const DEFAULT_VALUES = {
defaultStyle: {
text: '',
faceColor: 'white',
faceRotation: 0,
fontFamily: 'Arial',
fontColor: 'black',
fontStyle: 'normal',
fontSizeScale: (resolution) => resolution / 1.8,
edgeThickness: 0.1,
edgeColor: 'black',
resolution: 200,
},
// xPlusFaceProperty: null,
// xMinusFaceProperty: null,
// yPlusFaceProperty: null,
// yMinusFaceProperty: null,
// zPlusFaceProperty: null,
// zMinusFaceProperty: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkActor.extend(publicAPI, model, initialValues);
macro.get(publicAPI, model, [
'defaultStyle',
'xPlusFaceProperty',
'xMinusFaceProperty',
'yPlusFaceProperty',
'yMinusFaceProperty',
'zPlusFaceProperty',
'zMinusFaceProperty',
]);
// Object methods
vtkAnnotatedCubeActor(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkAnnotatedCubeActor');
// ----------------------------------------------------------------------------
export default { newInstance, extend, Presets };
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