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-rw-r--r--fpdfsdk/include/fpdf_progressive.h94
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diff --git a/fpdfsdk/include/fpdf_progressive.h b/fpdfsdk/include/fpdf_progressive.h
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--- a/fpdfsdk/include/fpdf_progressive.h
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-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _FPDF_PROGRESSIVE_H_
-#define _FPDF_PROGRESSIVE_H_
-
-#include "fpdfview.h"
-
-//Flags for progressive process status.
-#define FPDF_RENDER_READER 0
-#define FPDF_RENDER_TOBECOUNTINUED 1
-#define FPDF_RENDER_DONE 2
-#define FPDF_RENDER_FAILED 3
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-//IFPDF_RENDERINFO interface.
-typedef struct _IFSDK_PAUSE
-{
- /**
- * Version number of the interface. Currently must be 1.
- **/
- int version;
-
- /*
- * Method: NeedToPauseNow
- * Check if we need to pause a progressive process now.
- * Interface Version:
- * 1
- * Implementation Required:
- * yes
- * Parameters:
- * pThis - Pointer to the interface structure itself
- * Return Value:
- * Non-zero for pause now, 0 for continue.
- *
- */
- FPDF_BOOL (*NeedToPauseNow) (struct _IFSDK_PAUSE* pThis);
-
- //A user defined data pointer, used by user's application. Can be NULL.
- void* user;
-} IFSDK_PAUSE;
-
-// Function: FPDF_RenderPageBitmap_Start
-// Start to render page contents to a device independent bitmap progressively.
-// Parameters:
-// bitmap - Handle to the device independent bitmap (as the output buffer).
-// Bitmap handle can be created by FPDFBitmap_Create function.
-// page - Handle to the page. Returned by FPDF_LoadPage function.
-// start_x - Left pixel position of the display area in the bitmap coordinate.
-// start_y - Top pixel position of the display area in the bitmap coordinate.
-// size_x - Horizontal size (in pixels) for displaying the page.
-// size_y - Vertical size (in pixels) for displaying the page.
-// rotate - Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-// 2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-// flags - 0 for normal display, or combination of flags defined above.
-// pause - The IFSDK_PAUSE interface.A callback mechanism allowing the page rendering process
-// Return value:
-// Rendering Status. See flags for progressive process status for the details.
-//
-DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start(FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y, int size_x,
- int size_y, int rotate, int flags,IFSDK_PAUSE * pause);
-
-// Function: FPDF_RenderPage_Continue
-// Continue rendering a PDF page.
-// Parameters:
-// page - Handle to the page. Returned by FPDF_LoadPage function.
-// pause - The IFSDK_PAUSE interface.A callback mechanism allowing the page rendering process
-// to be paused before it's finished. This can be NULL if you don't want to pause.
-// Return value:
-// The rendering status. See flags for progressive process status for the details.
-DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,IFSDK_PAUSE * pause);
-
-// Function: FPDF_RenderPage_Close
-// Release the resource allocate during page rendering. Need to be called after finishing rendering or
-// cancel the rendering.
-// Parameters:
-// page - Handle to the page. Returned by FPDF_LoadPage function.
-// Return value:
-// NULL
-DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //_FPDF_PROGRESSIVE_H_