Nuvoton
/
NuMaker-mbed-emWin-example
NuMaker emWin HMI
emWin/Include/GUI_GIF_Private.h
- Committer:
- csyang2
- Date:
- 6 months ago
- Revision:
- 10:c8165817d92a
- Parent:
- 1:c0f972361605
File content as of revision 10:c8165817d92a:
/********************************************************************* * SEGGER Software GmbH * * Solutions for real time microcontroller applications * ********************************************************************** * * * (c) 1996 - 2018 SEGGER Microcontroller GmbH * * * * Internet: www.segger.com Support: support@segger.com * * * ********************************************************************** ** emWin V5.48 - Graphical user interface for embedded applications ** All Intellectual Property rights in the Software belongs to SEGGER. emWin is protected by international copyright laws. Knowledge of the source code may not be used to write a similar product. This file may only be used in accordance with the following terms: The software has been licensed by SEGGER Software GmbH to Nuvoton Technology Corporationat the address: No. 4, Creation Rd. III, Hsinchu Science Park, Taiwan for the purposes of creating libraries for its Arm Cortex-M and Arm9 32-bit microcontrollers, commercialized and distributed by Nuvoton Technology Corporation under the terms and conditions of an End User License Agreement supplied with the libraries. Full source code is available at: www.segger.com We appreciate your understanding and fairness. ---------------------------------------------------------------------- Licensing information Licensor: SEGGER Software GmbH Licensed to: Nuvoton Technology Corporation, No. 4, Creation Rd. III, Hsinchu Science Park, 30077 Hsinchu City, Taiwan Licensed SEGGER software: emWin License number: GUI-00735 License model: emWin License Agreement, signed February 27, 2018 Licensed platform: Cortex-M and ARM9 32-bit series microcontroller designed and manufactured by or for Nuvoton Technology Corporation ---------------------------------------------------------------------- Support and Update Agreement (SUA) SUA period: 2018-03-26 - 2019-03-27 Contact to extend SUA: sales@segger.com ---------------------------------------------------------------------- File : GUI_GIF_Private.h Purpose : Private header file for GUI_GIF... functions ---------------------------END-OF-HEADER------------------------------ */ #ifndef GUI_GIF_PRIVATE_H #define GUI_GIF_PRIVATE_H #include "GUI_Private.h" /********************************************************************* * * Defines * ********************************************************************** */ #define MAX_NUM_LWZ_BITS 12 /********************************************************************* * * Types * ********************************************************************** */ /* Context structure */ typedef struct { /* Required for getting input */ unsigned NumBytesInBuffer; /* Remaining bytes in buffer */ const U8 * pBuffer; /* Pointer into buffer for reading data */ GUI_GET_DATA_FUNC * pfGetData; /* Function pointer */ void * pParam; /* Parameter pointer passed to function */ U32 Off; /* Data pointer */ /* Decompression data */ U8 aBuffer[258]; /* Input buffer for data block */ short aCode [(1 << MAX_NUM_LWZ_BITS)]; /* This array stores the LZW codes for the compressed strings */ U8 aPrefix[(1 << MAX_NUM_LWZ_BITS)]; /* Prefix character of the LZW code. */ U8 aDecompBuffer[3000]; /* Decompression buffer. The higher the compression, the more bytes are needed in the buffer. */ U8 * sp; /* Pointer into the decompression buffer */ int CurBit; int LastBit; int GetDone; int LastByte; int ReturnClear; int CodeSize; int SetCodeSize; int MaxCode; int MaxCodeSize; int ClearCode; int EndCode; int FirstCode; int OldCode; /* Palette buffer */ GUI_COLOR aColorTable[256]; } GUI_GIF_CONTEXT; typedef struct { int XPos; int YPos; int XSize; int YSize; int Flags; int NumColors; } IMAGE_DESCRIPTOR; /* Default parameter structure for reading data from memory */ typedef struct { const U8 * pFileData; U32 FileSize; } GUI_GIF_PARAM; typedef int DRAW_FROM_DATABLOCK(GUI_GIF_CONTEXT * pContext, IMAGE_DESCRIPTOR * pDescriptor, int x0, int y0, int Transparency, int Disposal, int Num, int Denom); typedef void CLEAR_UNUSED_PIXELS(int x0, int y0, IMAGE_DESCRIPTOR * pDescriptor, GUI_GIF_IMAGE_INFO * pInfo, int Num, int Denom); /********************************************************************* * * Private data * ********************************************************************** */ extern const int GUI_GIF__aInterlaceOffset[4]; extern const int GUI_GIF__aInterlaceYPos[4]; /********************************************************************* * * Interface * ********************************************************************** */ int GUI_GIF__ReadData(GUI_GIF_CONTEXT * pContext, unsigned NumBytes, const U8 ** ppData, unsigned StartOfFile); int GUI_GIF__GetData(void * p, const U8 ** ppData, unsigned NumBytesReq, U32 Off); int GUI_GIF__DrawFromFilePointer(GUI_GIF_CONTEXT * pContext, int x0, int y0, int Index, int Num, int Denom, DRAW_FROM_DATABLOCK pfDrawFromDataBlock, CLEAR_UNUSED_PIXELS pfClearUnusedPixels); void GUI_GIF__InitLZW(GUI_GIF_CONTEXT * pContext, int InputCodeSize); int GUI_GIF__GetNextByte(GUI_GIF_CONTEXT * pContext); #endif /* GUI_GIF_PRIVATE_H */