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| Method | Description |
|---|---|
| fillText() | Draws "filled" text on the canvas |
| strokeText() | Draws text on the canvas (no fill) |
| measureText() | Returns an object that contains the width of the specified text |
Image Drawing
| Method | Description |
|---|---|
| drawImage() | Draws an image, canvas, or video onto the canvas |
Pixel Manipulation
| Property | Description |
|---|---|
| width | Returns the width of an ImageData object |
| height | Returns the height of an ImageData object |
| data | Returns an object that contains image data of a specified ImageData object |
| Method | Description |
|---|---|
| createImageData() | Creates a new, blank ImageData object |
| getImageData() | Returns an ImageData object that copies the pixel data for the specified rectangle on a canvas |
| putImageData() | Puts the image data (from a specified ImageData object) back onto the canvas |
Compositing
| Property | Description |
|---|---|
| globalAlpha | Sets or returns the current alpha or transparency value of the drawing |
| globalCompositeOperation | Sets or returns how a new image are drawn onto an existing image |
Other
| Method | Description |
|---|---|
| save() | Saves the state of the current context |
| restore() | Returns previously saved path state and attributes |
| createEvent() | |
| getContext() | |
| toDataURL() |