Constructor
new CanvasClass(argCtx, argWidth, argBasicWidth, argScale)
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Parameters:
| Name | Type | Default | Description |
|---|---|---|---|
argCtx |
object | canvas上下文 |
|
argWidth |
number |
300
|
canvas宽度 |
argBasicWidth |
number |
375
|
基准宽度 |
argScale |
number |
4
|
canvas缩放比例 |
Methods
(async) createPoster(argW, argH, argFileType) → {any}
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Parameters:
| Name | Type | Default | Description |
|---|---|---|---|
argW |
number | ||
argH |
number | ||
argFileType |
string |
jpg
|
Returns:
返回生成的图片
- Type
- any
(async) draw(argIsCreate, argW, argH, argFileType) → {any}
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Parameters:
| Name | Type | Default | Description |
|---|---|---|---|
argIsCreate |
boolean | 是否已生成 |
|
argW |
number | 是否已生成 |
|
argH |
number | 是否已生成 |
|
argFileType |
string |
jpg
|
生成的文件类型 |
Returns:
返回生成的图片
- Type
- any
drawImage() → {this}
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Returns:
返回class
- Type
- this
fillText(argText, argX, argY, argMaxWidth, argIsVertical) → {this}
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Parameters:
| Name | Type | Description |
|---|---|---|
argText |
string | |
argX |
number | |
argY |
number | |
argMaxWidth |
number | |
argIsVertical |
number |
Returns:
返回class
- Type
- this
getScale(argData) → {number}
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Parameters:
| Name | Type | Description |
|---|---|---|
argData |
number |
Returns:
返回计算好的值
- Type
- number