harmony 鸿蒙OhosPixelMapCreateOps
OhosPixelMapCreateOps
Overview
The OhosPixelMapCreateOps struct describes the options used for creating a PixelMap. The parameters need to be initialized.
System capability: SystemCapability.Multimedia.Image
Since: 10
Related module: Image
Header file: image_pixel_map_mdk.h
Summary
Member Variables
| Name | Description |
|---|---|
| uint32_t width | Image width, in pixels. |
| uint32_t height | Image height, in pixels. |
| int32_t pixelFormat | Image format. |
| uint32_t editable | Editing type of the image. |
| uint32_t alphaType | Alpha type of the image. |
| uint32_t scaleMode | Scale mode of the image. |
Member Variable Description
alphaType
uint32_t OhosPixelMapCreateOps::alphaType
Description
Alpha type of the image. The options are as follows:
| Value | Description |
|---|---|
| 0 | Unknown alpha type. |
| 1 | There is no alpha or the image is opaque. |
| 2 | Premultiplied alpha. |
| 3 | Unpremultiplied alpha, that is, straight alpha. |
editable
uint32_t OhosPixelMapCreateOps::editable
Description
Editing type of the image. The value true means that the image pixel can be edited, and false means the opposite.
height
uint32_t OhosPixelMapCreateOps::height
Description
Image height, in pixels.
pixelFormat
int32_t OhosPixelMapCreateOps::pixelFormat
Description
Image format. The options are as follows:
| Value | Description |
|---|---|
| 0 | Unknown format. |
| 2 | RGB_565. |
| 3 | RGBA_8888. |
| 4 | BGRA_8888. |
| 5 | RGB_888. |
| 6 | ALPHA_8. |
| 7 | RGBA_F16. |
| 8 | NV21. |
| 9 | NV12. |
scaleMode
uint32_t OhosPixelMapCreateOps::scaleMode
Description
Scale mode of the image. The options are as follows:
| Value | Description |
|---|---|
| 1 | The image is scaled in such a way that it fits the dimensions of the target and centered in the target. |
| 0 | The image size is reduced to fit the dimensions of the target. |
width
uint32_t OhosPixelMapCreateOps::width
Description
Image width, in pixels.
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