The page-level APIs in the page module enable creating, releasing, and flattening a page, setting page properties and actions, and more. Users need to call ZSDoc_AcquirePage to get a page object and clean it with ZSPage_Release. Here are some common page-level APIs listed in Table

3.10. For a complete list of APIs, please refer to ZSPage.h.

Table 3.10

 

  API Name Description
1 ZSPage_GetIndex Get page index.
2 ZSPage_Create Create a new page to a position specified by the index.
3 ZSPage_Release Release a page from document.
4 ZSPage_Flatten Flatten a PDF page. You can no longer interact with form fields and annotations.
5 ZSPage_GetRotation Get page rotation.
6 ZSPage_GetMatrix Get page transformation matrix.
7 ZSPage_DoJavaScriptAction Run a JavaScript action specified by the trigger.
*A JavaScript action is created by ZSActionData_Init and inserted into a page using ZSPage_InsertAction.
8 ZSPage_SetAction Set a page trigger action.
9 ZSPage_RemoveAllActions Remove a page trigger action.

 

The following two examples demonstrate how to work with PDF pages using APIs.

Example 1: Get the page size

ZSFloat width = 0, height = 0;

Ret = ZSPage_GetSize(page, &width, &height);

 

Example 2: Create a page and set the size of it

ZSPage page = NULL;

if (ZS_OK == ZSPage_Create(doc, 0, &page))

{

ret = ZSPage_SetSize(page, PageWidth, PageHeight);

}

ZSPage_Release(page);

 

The page-level APIs in the page module enable creating, releasing, and flattening a page, setting page properties and actions, and more. Users need to call ZSDoc_AcquirePage to get a page object and clean it with ZSPage_Release. Here are some common page-level APIs listed in Table

3.10. For a complete list of APIs, please refer to ZSPage.h.

Table 3.10

 

  API Name Description
1 ZSPage_GetIndex Get page index.
2 ZSPage_Create Create a new page to a position specified by the index.
3 ZSPage_Release Release a page from document.
4 ZSPage_Flatten Flatten a PDF page. You can no longer interact with form fields and annotations.
5 ZSPage_GetRotation Get page rotation.
6 ZSPage_GetMatrix Get page transformation matrix.
7 ZSPage_DoJavaScriptAction Run a JavaScript action specified by the trigger.
*A JavaScript action is created by ZSActionData_Init and inserted into a page using ZSPage_InsertAction.
8 ZSPage_SetAction Set a page trigger action.
9 ZSPage_RemoveAllActions Remove a page trigger action.

 

The following two examples demonstrate how to work with PDF pages using APIs.

Example 1: Get the page size

ZSFloat width = 0, height = 0;

Ret = ZSPage_GetSize(page, &width, &height);

 

Example 2: Create a page and set the size of it

ZSPage page = NULL;

if (ZS_OK == ZSPage_Create(doc, 0, &page))

{

ret = ZSPage_SetSize(page, PageWidth, PageHeight);

}

ZSPage_Release(page);

 

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