pdf-lib
Version:
Create and modify PDF files with JavaScript
222 lines • 11.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var objects_1 = require("./objects");
var rotations_1 = require("./rotations");
var core_1 = require("../core");
/* ==================== Clipping Path Operators ==================== */
exports.clip = function () { return core_1.PDFOperator.of("W" /* ClipNonZero */); };
exports.clipEvenOdd = function () { return core_1.PDFOperator.of("W*" /* ClipEvenOdd */); };
/* ==================== Graphics State Operators ==================== */
var cos = Math.cos, sin = Math.sin, tan = Math.tan;
exports.concatTransformationMatrix = function (a, b, c, d, e, f) {
return core_1.PDFOperator.of("cm" /* ConcatTransformationMatrix */, [
objects_1.asPDFNumber(a),
objects_1.asPDFNumber(b),
objects_1.asPDFNumber(c),
objects_1.asPDFNumber(d),
objects_1.asPDFNumber(e),
objects_1.asPDFNumber(f),
]);
};
exports.translate = function (xPos, yPos) {
return exports.concatTransformationMatrix(1, 0, 0, 1, xPos, yPos);
};
exports.scale = function (xPos, yPos) {
return exports.concatTransformationMatrix(xPos, 0, 0, yPos, 0, 0);
};
exports.rotateRadians = function (angle) {
return exports.concatTransformationMatrix(cos(objects_1.asNumber(angle)), sin(objects_1.asNumber(angle)), -sin(objects_1.asNumber(angle)), cos(objects_1.asNumber(angle)), 0, 0);
};
exports.rotateDegrees = function (angle) {
return exports.rotateRadians(rotations_1.degreesToRadians(objects_1.asNumber(angle)));
};
exports.skewRadians = function (xSkewAngle, ySkewAngle) {
return exports.concatTransformationMatrix(1, tan(objects_1.asNumber(xSkewAngle)), tan(objects_1.asNumber(ySkewAngle)), 1, 0, 0);
};
exports.skewDegrees = function (xSkewAngle, ySkewAngle) {
return exports.skewRadians(rotations_1.degreesToRadians(objects_1.asNumber(xSkewAngle)), rotations_1.degreesToRadians(objects_1.asNumber(ySkewAngle)));
};
exports.setDashPattern = function (dashArray, dashPhase) {
return core_1.PDFOperator.of("d" /* SetLineDashPattern */, [
"[" + dashArray.map(objects_1.asPDFNumber).join(' ') + "]",
objects_1.asPDFNumber(dashPhase),
]);
};
exports.restoreDashPattern = function () { return exports.setDashPattern([], 0); };
var LineCapStyle;
(function (LineCapStyle) {
LineCapStyle[LineCapStyle["Butt"] = 0] = "Butt";
LineCapStyle[LineCapStyle["Round"] = 1] = "Round";
LineCapStyle[LineCapStyle["Projecting"] = 2] = "Projecting";
})(LineCapStyle = exports.LineCapStyle || (exports.LineCapStyle = {}));
exports.setLineCap = function (style) {
return core_1.PDFOperator.of("J" /* SetLineCapStyle */, [objects_1.asPDFNumber(style)]);
};
var LineJoinStyle;
(function (LineJoinStyle) {
LineJoinStyle[LineJoinStyle["Miter"] = 0] = "Miter";
LineJoinStyle[LineJoinStyle["Round"] = 1] = "Round";
LineJoinStyle[LineJoinStyle["Bevel"] = 2] = "Bevel";
})(LineJoinStyle = exports.LineJoinStyle || (exports.LineJoinStyle = {}));
exports.setLineJoin = function (style) {
return core_1.PDFOperator.of("j" /* SetLineJoinStyle */, [objects_1.asPDFNumber(style)]);
};
exports.pushGraphicsState = function () { return core_1.PDFOperator.of("q" /* PushGraphicsState */); };
exports.popGraphicsState = function () { return core_1.PDFOperator.of("Q" /* PopGraphicsState */); };
exports.setLineWidth = function (width) {
return core_1.PDFOperator.of("w" /* SetLineWidth */, [objects_1.asPDFNumber(width)]);
};
/* ==================== Path Construction Operators ==================== */
exports.appendBezierCurve = function (x1, y1, x2, y2, x3, y3) {
return core_1.PDFOperator.of("c" /* AppendBezierCurve */, [
objects_1.asPDFNumber(x1),
objects_1.asPDFNumber(y1),
objects_1.asPDFNumber(x2),
objects_1.asPDFNumber(y2),
objects_1.asPDFNumber(x3),
objects_1.asPDFNumber(y3),
]);
};
exports.appendQuadraticCurve = function (x1, y1, x2, y2) {
return core_1.PDFOperator.of("v" /* CurveToReplicateInitialPoint */, [
objects_1.asPDFNumber(x1),
objects_1.asPDFNumber(y1),
objects_1.asPDFNumber(x2),
objects_1.asPDFNumber(y2),
]);
};
exports.closePath = function () { return core_1.PDFOperator.of("h" /* ClosePath */); };
exports.moveTo = function (xPos, yPos) {
return core_1.PDFOperator.of("m" /* MoveTo */, [objects_1.asPDFNumber(xPos), objects_1.asPDFNumber(yPos)]);
};
exports.lineTo = function (xPos, yPos) {
return core_1.PDFOperator.of("l" /* LineTo */, [objects_1.asPDFNumber(xPos), objects_1.asPDFNumber(yPos)]);
};
/**
* @param xPos x coordinate for the lower left corner of the rectangle
* @param yPos y coordinate for the lower left corner of the rectangle
* @param width width of the rectangle
* @param height height of the rectangle
*/
exports.rectangle = function (xPos, yPos, width, height) {
return core_1.PDFOperator.of("re" /* AppendRectangle */, [
objects_1.asPDFNumber(xPos),
objects_1.asPDFNumber(yPos),
objects_1.asPDFNumber(width),
objects_1.asPDFNumber(height),
]);
};
/**
* @param xPos x coordinate for the lower left corner of the square
* @param yPos y coordinate for the lower left corner of the square
* @param size width and height of the square
*/
exports.square = function (xPos, yPos, size) {
return exports.rectangle(xPos, yPos, size, size);
};
/* ==================== Path Painting Operators ==================== */
exports.stroke = function () { return core_1.PDFOperator.of("S" /* StrokePath */); };
exports.fill = function () { return core_1.PDFOperator.of("f" /* FillNonZero */); };
exports.fillAndStroke = function () { return core_1.PDFOperator.of("B" /* FillNonZeroAndStroke */); };
exports.endPath = function () { return core_1.PDFOperator.of("n" /* EndPath */); };
/* ==================== Text Positioning Operators ==================== */
exports.nextLine = function () { return core_1.PDFOperator.of("T*" /* NextLine */); };
exports.moveText = function (x, y) {
return core_1.PDFOperator.of("Td" /* MoveText */, [objects_1.asPDFNumber(x), objects_1.asPDFNumber(y)]);
};
/* ==================== Text Showing Operators ==================== */
exports.showText = function (text) {
return core_1.PDFOperator.of("Tj" /* ShowText */, [text]);
};
/* ==================== Text State Operators ==================== */
exports.beginText = function () { return core_1.PDFOperator.of("BT" /* BeginText */); };
exports.endText = function () { return core_1.PDFOperator.of("ET" /* EndText */); };
exports.setFontAndSize = function (name, size) { return core_1.PDFOperator.of("Tf" /* SetFontAndSize */, [objects_1.asPDFName(name), objects_1.asPDFNumber(size)]); };
exports.setCharacterSpacing = function (spacing) {
return core_1.PDFOperator.of("Tc" /* SetCharacterSpacing */, [objects_1.asPDFNumber(spacing)]);
};
exports.setWordSpacing = function (spacing) {
return core_1.PDFOperator.of("Tw" /* SetWordSpacing */, [objects_1.asPDFNumber(spacing)]);
};
/** @param squeeze horizontal character spacing */
exports.setCharacterSqueeze = function (squeeze) {
return core_1.PDFOperator.of("Tz" /* SetTextHorizontalScaling */, [objects_1.asPDFNumber(squeeze)]);
};
exports.setLineHeight = function (lineHeight) {
return core_1.PDFOperator.of("TL" /* SetTextLineHeight */, [objects_1.asPDFNumber(lineHeight)]);
};
exports.setTextRise = function (rise) {
return core_1.PDFOperator.of("Ts" /* SetTextRise */, [objects_1.asPDFNumber(rise)]);
};
var TextRenderingMode;
(function (TextRenderingMode) {
TextRenderingMode[TextRenderingMode["Fill"] = 0] = "Fill";
TextRenderingMode[TextRenderingMode["Outline"] = 1] = "Outline";
TextRenderingMode[TextRenderingMode["FillAndOutline"] = 2] = "FillAndOutline";
TextRenderingMode[TextRenderingMode["Invisible"] = 3] = "Invisible";
TextRenderingMode[TextRenderingMode["FillAndClip"] = 4] = "FillAndClip";
TextRenderingMode[TextRenderingMode["OutlineAndClip"] = 5] = "OutlineAndClip";
TextRenderingMode[TextRenderingMode["FillAndOutlineAndClip"] = 6] = "FillAndOutlineAndClip";
TextRenderingMode[TextRenderingMode["Clip"] = 7] = "Clip";
})(TextRenderingMode = exports.TextRenderingMode || (exports.TextRenderingMode = {}));
exports.setTextRenderingMode = function (mode) {
return core_1.PDFOperator.of("Tr" /* SetTextRenderingMode */, [objects_1.asPDFNumber(mode)]);
};
exports.setTextMatrix = function (a, b, c, d, e, f) {
return core_1.PDFOperator.of("Tm" /* SetTextMatrix */, [
objects_1.asPDFNumber(a),
objects_1.asPDFNumber(b),
objects_1.asPDFNumber(c),
objects_1.asPDFNumber(d),
objects_1.asPDFNumber(e),
objects_1.asPDFNumber(f),
]);
};
exports.rotateAndSkewTextRadiansAndTranslate = function (rotationAngle, xSkewAngle, ySkewAngle, x, y) {
return exports.setTextMatrix(cos(objects_1.asNumber(rotationAngle)), sin(objects_1.asNumber(rotationAngle)) + tan(objects_1.asNumber(xSkewAngle)), -sin(objects_1.asNumber(rotationAngle)) + tan(objects_1.asNumber(ySkewAngle)), cos(objects_1.asNumber(rotationAngle)), x, y);
};
exports.rotateAndSkewTextDegreesAndTranslate = function (rotationAngle, xSkewAngle, ySkewAngle, x, y) {
return exports.rotateAndSkewTextRadiansAndTranslate(rotations_1.degreesToRadians(objects_1.asNumber(rotationAngle)), rotations_1.degreesToRadians(objects_1.asNumber(xSkewAngle)), rotations_1.degreesToRadians(objects_1.asNumber(ySkewAngle)), x, y);
};
/* ==================== XObject Operator ==================== */
exports.drawObject = function (name) {
return core_1.PDFOperator.of("Do" /* DrawObject */, [objects_1.asPDFName(name)]);
};
/* ==================== Color Operators ==================== */
exports.setFillingGrayscaleColor = function (gray) {
return core_1.PDFOperator.of("g" /* NonStrokingColorGray */, [objects_1.asPDFNumber(gray)]);
};
exports.setStrokingGrayscaleColor = function (gray) {
return core_1.PDFOperator.of("G" /* StrokingColorGray */, [objects_1.asPDFNumber(gray)]);
};
exports.setFillingRgbColor = function (red, green, blue) {
return core_1.PDFOperator.of("rg" /* NonStrokingColorRgb */, [
objects_1.asPDFNumber(red),
objects_1.asPDFNumber(green),
objects_1.asPDFNumber(blue),
]);
};
exports.setStrokingRgbColor = function (red, green, blue) {
return core_1.PDFOperator.of("RG" /* StrokingColorRgb */, [
objects_1.asPDFNumber(red),
objects_1.asPDFNumber(green),
objects_1.asPDFNumber(blue),
]);
};
exports.setFillingCmykColor = function (cyan, magenta, yellow, key) {
return core_1.PDFOperator.of("k" /* NonStrokingColorCmyk */, [
objects_1.asPDFNumber(cyan),
objects_1.asPDFNumber(magenta),
objects_1.asPDFNumber(yellow),
objects_1.asPDFNumber(key),
]);
};
exports.setStrokingCmykColor = function (cyan, magenta, yellow, key) {
return core_1.PDFOperator.of("K" /* StrokingColorCmyk */, [
objects_1.asPDFNumber(cyan),
objects_1.asPDFNumber(magenta),
objects_1.asPDFNumber(yellow),
objects_1.asPDFNumber(key),
]);
};
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