DAGetPageBox
直接访问功能、页面属性
描述
返回指定页面边界矩形的一个尺寸
返回值是从页面左下角测量的点坐标
语法
Delphi
Function TPDFlib.DAGetPageBox(FileHandle, PageRef, BoxIndex, Dimension: Integer): Double;ActiveX
Function PDFlib::DAGetPageBox(FileHandle As Long, PageRef As Long, BoxIndex As Long, Dimension As Long) As DoubleDLL
double DLDAGetPageBox(int InstanceID, int FileHandle, int PageRef, int BoxIndex, int Dimension);参数
| FileHandle | 由 DAOpenFile、DAOpenFileReadOnly 或 DAOpenFromStream 函数返回的句柄 |
|---|---|
| PageRef | DAFindPage 或 DANewPage 函数返回的页面引用 |
| BoxIndex | 1 = MediaBox 2 = CropBox 3 = BleedBox 4 = TrimBox 5 = ArtBox |
| Dimension | 0 = 左边缘；1 = 顶部；2 = 宽度；3 = 高度；4 = 右边缘；5 = 底部 int BoxIndex, int Dimension) |