@ngageoint/geopackage
Version:
GeoPackage JavaScript Library
347 lines • 15.8 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.NumberFeaturesTile = void 0;
var canvas_1 = require("../../../canvas/canvas");
var customFeaturesTile_1 = require("./customFeaturesTile");
/**
* Draws a tile indicating the number of features that exist within the tile,
* visible when zoomed in closer. The number is drawn in the center of the tile
* and by default is surrounded by a colored circle with border. By default a
* tile border is drawn and the tile is colored (transparently most likely). The
* paint objects for each draw type can be modified to or set to null (except
* for the text paint object).
*/
var NumberFeaturesTile = /** @class */ (function (_super) {
__extends(NumberFeaturesTile, _super);
function NumberFeaturesTile() {
var _this = _super.call(this) || this;
_this.textSize = 18;
_this.textFont = 'Noto Mono';
_this.textColor = 'rgba(255, 255, 255, 1.0)';
_this.circleStrokeWidth = 3;
_this.circleBorderColor = 'rgba(0, 0, 0, 0.25)';
_this.circleFillColor = 'rgba(0, 0, 0, 1.0)';
_this.circlePaddingPercentage = 0.25;
_this.defaultFontRegistered = false;
return _this;
}
/**
* Get the text size
* @return {Number} text size
*/
NumberFeaturesTile.prototype.getTextSize = function () {
return this.textSize;
};
/**
* Set the text size
* @param {Number} textSize text size
*/
NumberFeaturesTile.prototype.setTextSize = function (textSize) {
this.textSize = textSize;
};
/**
* Get the text color
* @return {String} text color
*/
NumberFeaturesTile.prototype.getTextColor = function () {
return this.textColor;
};
/**
* Set the text color
* @param {String} textColor text color
*/
NumberFeaturesTile.prototype.setTextColor = function (textColor) {
this.textColor = textColor;
};
/**
* Get the circle stroke width
* @return {Number} circle stroke width
*/
NumberFeaturesTile.prototype.getCircleStrokeWidth = function () {
return this.circleStrokeWidth;
};
/**
* Set the circle stroke width
* @param {Number} circleStrokeWidth circle stroke width
*/
NumberFeaturesTile.prototype.setCircleStrokeWidth = function (circleStrokeWidth) {
this.circleStrokeWidth = circleStrokeWidth;
};
/**
* Get the circle color
* @return {String} circle color
*/
NumberFeaturesTile.prototype.getCircleColor = function () {
return this.circleBorderColor;
};
/**
* Set the circle color
* @param {String} circleBorderColor circle color
*/
NumberFeaturesTile.prototype.setCircleColor = function (circleBorderColor) {
this.circleBorderColor = circleBorderColor;
};
/**
* Get the circle fill color
* @return {String} circle fill color
*/
NumberFeaturesTile.prototype.getCircleFillColor = function () {
return this.circleFillColor;
};
/**
* Set the circle fill color
* @param {String} circleFillColor circle fill color
*/
NumberFeaturesTile.prototype.setCircleFillColor = function (circleFillColor) {
this.circleFillColor = circleFillColor;
};
/**
* Get the circle padding percentage around the text
* @return {Number} circle padding percentage, 0.0 to 1.0
*/
NumberFeaturesTile.prototype.getCirclePaddingPercentage = function () {
return this.circlePaddingPercentage;
};
/**
* Set the circle padding percentage to pad around the text, value between
* 0.0 and 1.0
* @param {Number} circlePaddingPercentage circle padding percentage
*/
NumberFeaturesTile.prototype.setCirclePaddingPercentage = function (circlePaddingPercentage) {
if (circlePaddingPercentage < 0.0 || circlePaddingPercentage > 1.0) {
throw new Error('Circle padding percentage must be between 0.0 and 1.0: ' + circlePaddingPercentage);
}
this.circlePaddingPercentage = circlePaddingPercentage;
};
/**
* Get the tile border stroke width
* @return {Number} tile border stroke width
*/
NumberFeaturesTile.prototype.getTileBorderStrokeWidth = function () {
return this.tileBorderStrokeWidth;
};
/**
* Set the tile border stroke width
*
* @param {Number} tileBorderStrokeWidth tile border stroke width
*/
NumberFeaturesTile.prototype.setTileBorderStrokeWidth = function (tileBorderStrokeWidth) {
this.tileBorderStrokeWidth = tileBorderStrokeWidth;
};
/**
* Get the tile border color
* @return {String} tile border color
*/
NumberFeaturesTile.prototype.getTileBorderColor = function () {
return this.tileBorderColor;
};
/**
* Set the tile border color
* @param {String} tileBorderColor tile border color
*/
NumberFeaturesTile.prototype.setTileBorderColor = function (tileBorderColor) {
this.tileBorderColor = tileBorderColor;
};
/**
* Get the tile fill color
* @return {String} tile fill color
*/
NumberFeaturesTile.prototype.getTileFillColor = function () {
return this.tileFillColor;
};
/**
* Set the tile fill color
* @param {String} tileFillColor tile fill color
*/
NumberFeaturesTile.prototype.setTileFillColor = function (tileFillColor) {
this.tileFillColor = tileFillColor;
};
/**
* Is the draw unindexed tiles option enabled
* @return {Boolean} true if drawing unindexed tiles
*/
NumberFeaturesTile.prototype.isDrawUnindexedTiles = function () {
return this.drawUnindexedTiles;
};
/**
* Set the draw unindexed tiles option
* @param {Boolean} drawUnindexedTiles draw unindexed tiles flag
*/
NumberFeaturesTile.prototype.setDrawUnindexedTiles = function (drawUnindexedTiles) {
this.drawUnindexedTiles = drawUnindexedTiles;
};
/**
* Get the compression format
* @return {String} the compression format (either png or jpeg)
*/
NumberFeaturesTile.prototype.getCompressFormat = function () {
return this.compressFormat;
};
/**
* Set the compression format
* @param {String} compressFormat either 'png' or 'jpeg'
*/
NumberFeaturesTile.prototype.setCompressFormat = function (compressFormat) {
this.compressFormat = compressFormat;
};
/**
* Draw unindexed tile
* @param tileWidth
* @param tileHeight
* @param canvas
* @returns {Promise<String|Buffer>}
*/
NumberFeaturesTile.prototype.drawUnindexedTile = function (tileWidth, tileHeight, canvas) {
if (canvas === void 0) { canvas = null; }
return __awaiter(this, void 0, void 0, function () {
var image;
return __generator(this, function (_a) {
image = null;
if (this.drawUnindexedTiles) {
// Draw a tile indicating we have no idea if there are features
// inside.
// The table is not indexed and more features exist than the max
// feature count set.
image = this.drawTile(tileWidth, tileHeight, '?', canvas);
}
return [2 /*return*/, image];
});
});
};
/**
* Draw a tile with the provided text label in the middle
* @param {Number} tileWidth
* @param {Number} tileHeight
* @param {String} text
* @param tileCanvas
* @return {Promise<String|Buffer>}
*/
NumberFeaturesTile.prototype.drawTile = function (tileWidth, tileHeight, text, tileCanvas) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// eslint-disable-next-line complexity
return [4 /*yield*/, canvas_1.Canvas.initializeAdapter()];
case 1:
// eslint-disable-next-line complexity
_a.sent();
return [2 /*return*/, new Promise(function (resolve) {
var canvas;
var dispose = false;
if (tileCanvas !== undefined && tileCanvas !== null) {
canvas = tileCanvas;
}
else {
canvas = canvas_1.Canvas.create(tileWidth, tileHeight);
dispose = true;
}
var context = canvas.getContext('2d');
context.clearRect(0, 0, tileWidth, tileHeight);
// Draw the tile border
if (_this.tileFillColor !== null) {
context.fillStyle = _this.tileFillColor;
context.fillRect(0, 0, tileWidth, tileHeight);
}
// Draw the tile border
if (_this.tileBorderColor !== null) {
context.strokeStyle = _this.tileBorderColor;
context.lineWidth = _this.tileBorderStrokeWidth;
context.strokeRect(0, 0, tileWidth, tileHeight);
}
var textWidth = canvas_1.Canvas.measureText(context, _this.textFont, _this.textSize, text);
var textHeight = _this.textSize;
// Determine the center of the tile
var centerX = Math.round(tileWidth / 2.0);
var centerY = Math.round(tileHeight / 2.0);
// Draw the circle
if (_this.circleBorderColor != null || _this.circleFillColor != null) {
var diameter = Math.max(textWidth, textHeight);
var radius = Math.round(diameter / 2.0);
radius = Math.round(radius + diameter * _this.circlePaddingPercentage);
// Draw the circle
if (_this.circleFillColor != null) {
context.fillStyle = _this.circleFillColor;
context.beginPath();
context.arc(centerX, centerY, radius, 0, 2 * Math.PI, true);
context.closePath();
context.fill();
}
// Draw the circle border
if (_this.circleBorderColor != null) {
context.strokeStyle = _this.circleBorderColor;
context.lineWidth = _this.circleStrokeWidth;
context.beginPath();
context.arc(centerX, centerY, radius, 0, 2 * Math.PI, true);
context.closePath();
context.stroke();
}
}
canvas_1.Canvas.drawText(context, text, [centerX, centerY], _this.textFont, _this.textSize, _this.textColor);
canvas_1.Canvas.toDataURL(canvas, 'image/' + _this.compressFormat).then(function (result) {
if (dispose) {
canvas_1.Canvas.disposeCanvas(canvas);
}
resolve(result);
});
})];
}
});
});
};
return NumberFeaturesTile;
}(customFeaturesTile_1.CustomFeaturesTile));
exports.NumberFeaturesTile = NumberFeaturesTile;
//# sourceMappingURL=numberFeaturesTile.js.map