Constructor
new TextureAtlas(widthopt, heightopt)
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
width | number | <optional> | 1024 | Texture atlas width, if it hasn't 1024 default. |
height | number | <optional> | 1024 | Texture atlas height, if it hasn't 1024 default. |
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Methods
(protected) _makeAtlas(fastInsertopt)
Main atlas making function.
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
fastInsert | boolean | <optional> | false | If it's true atlas doesn't restore all images again and store image in the current atlas scheme. |
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addImage(image, fastInsertopt) → {TextureAtlasNode|undefined}
Adds image to the atlas and returns created node with texture coordinates of the stored image.
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
image | HTMLImageElementExt | Input javascript image object. | ||
fastInsert | boolean | <optional> | false | If it's true atlas doesn't restore all images again and store image in the current atlas scheme. |
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- Type:
- TextureAtlasNode |
undefined
assignHandler(handler)
Sets openglobus gl handler that creates gl texture.
| Name | Type | Description |
|---|---|---|
handler | Handler | WebGL handler. |
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clearCanvas()
Clear atlas with black.
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createTexture()
Creates atlas gl texture.
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getCanvas() → {HTMLCanvasElement}
Returns canvas object.
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- Type:
- HTMLCanvasElement
getDiagonal(image) → {number}
Returns image diagonal size.
| Name | Type | Description |
|---|---|---|
image | HTMLImageElementExt | Image object. |
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- Type:
- number
getImage() → {HTMLImageElement}
Returns atlas javascript image object.
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- Type:
- HTMLImageElement
loadImage(src, success)
Asynchronous function that loads and creates image to the image cache, and call success callback when it's done.
| Name | Type | Description |
|---|---|---|
src | string | Image object src string. |
success | ImagesCacheManagerCallback | The callback that handles the image loads done. |
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