TXlsChart.GetImageAlternate Method
Returns an image and its type. Currently this method is the same as TXlsBaseChart.GetImage for all images except SVG.
For SVG images, xlsx files store both a PNG and SVG image. In those cases, this method will return the SVG image. To get the PNG, call TXlsBaseChart.GetImage
Syntax
Unit: FlexCel.XlsAdapter
procedure TXlsChart.GetImageAlternate(const imageIndex: Integer; const objectPath: string; out imageType: TXlsImgType; const outStream: TStream; const usesObjectIndex: Boolean); override;
Parameters
| <-> |
Parameter |
Type |
Description |
| const |
imageIndex |
Integer |
Index of the image. (1 based) |
| const |
objectPath |
string |
Object path to the image when it is a grouped image. For toplevel images you can use String.Empty. In other case, you need to use the value returned by TXlsBaseChart.GetObjectProperties
If it is "absolute"(it starts with "\\"), then the path includes the objectIndex, and the objectIndex is not used. An object path of "\\1\\2\\3" is exactly the same as using objectIndex = 1 and objectPath = "2\\3" |
| out |
imageType |
TXlsImgType |
Returns the image type for the data returned. (If it is a bmp, jpg or other) |
| const |
outStream |
TStream |
Stream where the image data will be copied. |
| const |
usesObjectIndex |
Boolean |
If false (the default) then imageIndex is an index to the list of images.
When true imageIndex is an index to the list of all objects in the sheet. When you have the object id, you can avoid calling ObjectIndexToImageIndex which is a slow method, by setting this parameter to true. |
See also