180 lines
4.6 KiB
C
180 lines
4.6 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : GUICore.C
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Purpose : Core routines
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---------------------------END-OF-HEADER------------------------------
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*/
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#include <stddef.h> /* needed for definition of NULL */
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#define GL_CORE_C
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#include "GUI_Private.h"
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#include "GUIDebug.h"
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#if GUI_WINSUPPORT
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#include "WM_GUI.h"
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#include "WM.h"
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#endif
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/*********************************************************************
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*
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* Static data
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*
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**********************************************************************
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*/
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#if GUI_SUPPORT_AA
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static const tLCD_HL_APIList _HL_APIList = {
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LCD_DrawHLine,
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LCD_DrawPixel};
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#endif
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/*********************************************************************
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*
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* Static code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* _InitContext
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*
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* Purpose
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* Initializes the given context.
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*
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* Special considerations
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* Make sure that no GUI functions are called, because locking is
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* not allowed here (GUITASK_INIT not yet called).
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*/
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static void _InitContext(GUI_CONTEXT *pContext)
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{
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/* memset(..,0,..) is not required, as this function is called only at startup of the GUI when data is 0 */
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#if GUI_SUPPORT_DEVICES
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pContext->pDeviceAPI = LCD_aAPI[0]; /* &LCD_L0_APIList; */
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#endif
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pContext->pClipRect_HL = &GUI_Context.ClipRect;
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LCD_L0_GetRect(&pContext->ClipRect);
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#if GUI_SUPPORT_AA
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pContext->pLCD_HL = &_HL_APIList;
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#endif
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pContext->pAFont = GUI_DEFAULT_FONT;
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pContext->pClipRect_HL = &GUI_Context.ClipRect;
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pContext->PenSize = 1;
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/* Variables in WM module */
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#if GUI_WINSUPPORT
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pContext->hAWin = WM_GetDesktopWindow();
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#endif
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/* Variables in GUI_AA module */
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#if GUI_SUPPORT_AA
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pContext->AA_Factor = 3;
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#endif
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pContext->Color = GUI_INVALID_COLOR;
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pContext->BkColor = GUI_INVALID_COLOR;
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LCD_SetBkColor(GUI_DEFAULT_BKCOLOR);
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LCD_SetColor(GUI_DEFAULT_COLOR);
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pContext->pUC_API = &GUI__API_TableNone;
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}
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/*********************************************************************
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*
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* Public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* GUI_ClearRect
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*/
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void GUI_ClearRect(int x0, int y0, int x1, int y1)
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{
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GUI_DRAWMODE PrevDraw;
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#if GUI_WINSUPPORT
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GUI_RECT r;
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#endif
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GUI_LOCK();
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PrevDraw = LCD_SetDrawMode(GUI_DRAWMODE_REV);
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#if GUI_WINSUPPORT
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WM_ADDORG(x0, y0);
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WM_ADDORG(x1, y1);
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r.x0 = x0;
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r.x1 = x1;
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r.y0 = y0;
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r.y1 = y1;
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WM_ITERATE_START(&r)
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{
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#endif
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LCD_FillRect(x0, y0, x1, y1);
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#if GUI_WINSUPPORT
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}
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WM_ITERATE_END();
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#endif
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LCD_SetDrawMode(PrevDraw);
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GUI_UNLOCK();
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}
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/*********************************************************************
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*
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* GUI_Clear
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*/
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void GUI_Clear(void)
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{
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GUI_GotoXY(0, 0); /* Reset text cursor to upper left */
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GUI_ClearRect(GUI_XMIN, GUI_YMIN, GUI_XMAX, GUI_YMAX);
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}
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/*********************************************************************
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*
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* GUI_Init
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*
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* Purpose:
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* Init of GUI internal data structures & variables
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*/
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int GUI_Init(void)
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{
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int r;
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GUI_DEBUG_LOG("\nGUI_Init()");
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/* Init system wide globals first */
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GUI_DecChar = '.';
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GUI_X_Init();
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/* Init context */
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_InitContext(&GUI_Context);
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GUITASK_INIT();
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r = LCD_Init();
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#if GUI_WINSUPPORT
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WM_Init();
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#endif
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GUITASK_COPY_CONTEXT();
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#if defined(GUI_TRIAL_VERSION)
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{
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int i;
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for (i = 0; i < 10; i++)
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{
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GUI_DispString("This uC-GUI library\n"
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"is for evaluation\n"
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"purpose only.\n"
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"A license is\n"
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"required to use\n"
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"it in a product\n\n"
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"www.micrium.com\n");
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GUI_GotoXY(0, 0);
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}
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}
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GUI_Clear();
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#endif
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return r;
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}
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/*************************** End of file ****************************/
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