I'm using the pdf-lib Javascript library to generate PDF files, but the API reference material is not very good for getting a sense of what the library can do at-a-glance. This is my reference cheat sheet (WIP)
PDFPage Drawing Operations
Access these through calls like page.drawCircle({x:10, y:10, size:100})
Shared Options
all operators
opacity, blendMode
shape fill
color
shape stroke
borderWidth, borderColor
shape stroke styles
borderDashArray, borderDashPhase, borderLineCap
Drawing Operations
drawCircle(opt)
{ x, y, size }
drawSquare(opt)
{ x, y, size }
drawRectangle(opt)
{ x, y, xSkew, ySkew, width, height }
drawSvgPath( svgPath, opt )
{ x, y, scale, rotate }
drawLine(opt)
{ x, y, opacity, blendMod, start, end, thickness, dashArray, dashPhase, lineCap }
drawEllipse(opt)
{ x, y, xScale, yScale, rotate }
drawImage(pdfImage, opt)
{ x, y }
drawPage(embeddedPage, opt)
{ x, y, xScale, yScale, width, height, rotate, xSkew, ySkew }
drawText(textString, opt)
{ x, y, font, size, color, rotate, xSkew, ySkew, lineHeight, maxWidth, wordBreaks }
PDFPage Object Metrics
Used to get or set information about an object's' position, scale, or rotation. Also retrieve bounding box information and applying elative positioning.
Box Getters/Setters
getArtBox
...
getBleedBox
...
getCropBox
...
getMediaBox
...
getTrimBox
...
setArtBox
...
setBleedBox
...
setCropBox
...
setMediaBox
...
setTrimBox
...
Dimension Getters/Setters
getHeight
...
getWidth
...
getSize
...
setHeight
...
setWidth
...
setSize
...
Position Getters
getPosition
...
getX
...
getY
...
Relative Positioning
moveDown
...
moveLeft
...
moveRight
...
moveTo
...
moveUp
...
resetPosition
...
Transformations
scale
...
scaleAnnotations
...
scaleContent
...
translateContent
...
getRotation
...
setRotation
...
PDFPage Font State
Font State
setFont
...
setFontColor
...
setFontSize
...
setLineHeight
...
Low-level Factory Methods
pushOperators
...
create
...
of
...