DrawRotatedImage
影像處理、頁面版面
描述
類似 DrawImage 函式,但影像可以任意角度旋轉。注意錨點是影像的左下角,不像 DrawImage 函式用左上角
語法
Delphi
Function TPDFlib.DrawRotatedImage(Left, Bottom, Width, Height, Angle: Double): Integer;
ActiveX
Function PDFlib::DrawRotatedImage(Left As Double, Bottom As Double, Width As Double, Height As Double, Angle As Double) As Long
DLL
int DLDrawRotatedImage(int InstanceID, double Left, double Bottom, double Width, double Height, double Angle);
參數
| Left | 錨點的水平座標 |
|---|---|
| Bottom | 錨點的垂直座標 |
| Width | The width of the image |
| Height | The height of the image |
| Angle | 旋轉影像的角度,自基準線起以度為單位、逆時針量測,繞著錨點(影像左下角) |
傳回值
| 0 | 尚未選取影像 |
|---|---|
| 1 | 影像繪製成功 |