qpcpp/3rd_party/emWin/GUI/Include/GUI_BMP_Private.h
Quantum Leaps bd38a964cb 5.6.5
2016-06-10 21:51:18 -04:00

94 lines
3.6 KiB
C

/*********************************************************************
* SEGGER Microcontroller GmbH & Co. KG *
* Solutions for real time microcontroller applications *
**********************************************************************
* *
* (c) 1996 - 2015 SEGGER Microcontroller GmbH & Co. KG *
* *
* Internet: www.segger.com Support: support@segger.com *
* *
**********************************************************************
** emWin V5.32 - Graphical user interface for embedded applications **
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 a license and should not be re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File : GUI_BMP_Private.h
Purpose : Private header file for GUI_BMP... functions
---------------------------END-OF-HEADER------------------------------
*/
#ifndef GUI_BMP_PRIVATE_H
#define GUI_BMP_PRIVATE_H
#include "GUI_Private.h"
/*********************************************************************
*
* Defines
*
**********************************************************************
*/
#define BI_RGB 0
#define BI_RLE8 1
#define BI_RLE4 2
#define BI_BITFIELDS 3
/*********************************************************************
*
* Types
*
**********************************************************************
*/
//
// Default parameter structure for reading data from memory
//
typedef struct {
const U8 * pFileData;
} GUI_BMP_PARAM;
//
// Context structure for getting stdio input
//
typedef struct {
GUI_GET_DATA_FUNC * pfGetData; // Function pointer
U32 Off; // Data pointer
void * pParam; // Parameter pointer passed to function
} GUI_BMP_CONTEXT;
//
// Parameter structure for passing several required variables to the
// functions _DrawLine_RGB() and _DrawLine_ARGB() (in GUI_BMP_EnableAlpha.c).
//
typedef struct {
const U8 * pSrc; // Pointer to data
I32 xSrc; // Used to read data
int ySrc; // Used to read data
I32 xSize;
U32 BytesPerPixel;
tLCDDEV_Color2Index * pfColor2Index;
tLCDDEV_Index2Color * pfIndex2Color; // Used to manage bitfield conversion
LCD_API_NEXT_PIXEL * pNextPixel_API;
int x0; // Used to draw data
int y0; // Used to draw data
int x1; // Used to draw data
int y1; // Used to draw data
} GUI_DRAWLINE_INFO;
/*********************************************************************
*
* Interface
*
**********************************************************************
*/
int GUI_BMP__GetData (void * p, const U8 ** ppData, unsigned NumBytesReq, U32 Off);
int GUI_BMP__Init (GUI_BMP_CONTEXT * pContext, I32 * pWidth, I32 * pHeight, U16 * pBitCount, int * pNumColors, int * pCompression);
int GUI_BMP__ReadData (GUI_BMP_CONTEXT * pContext, int NumBytes, const U8 ** ppData, unsigned StartOfFile);
int GUI_BMP__ReadPalette(GUI_BMP_CONTEXT * pContext, int NumColors);
#endif /* GUI_BMP_PRIVATE_H */
/*************************** End of file ****************************/