82 lines
2.8 KiB
C
82 lines
2.8 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 : GUI_SetTextStyle.C
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Purpose : Implementation of various text styles
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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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#include <stdio.h>
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#include "GUI_Protected.h"
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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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* GUI__cbDrawTextStyle
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*/
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static void GUI__cbDrawTextStyle(U16 Char) {
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int x0, x1;
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x1 = GUI_Context.DispPosX - 1;
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x0 = x1 - GUI_Context.pAFont->pfGetCharDistX(Char) + 1;
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/* Handle Underline */
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if (GUI_Context.TextStyle & GUI_TS_UNDERLINE) {
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int yOff = GUI_Context.pAFont->Baseline;
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if (yOff >= GUI_Context.pAFont->YSize) {
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yOff = GUI_Context.pAFont->YSize - 1;
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}
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LCD_DrawHLine(x0, GUI_Context.DispPosY + yOff, x1);
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}
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/* Handle strike thru */
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if (GUI_Context.TextStyle & GUI_TS_STRIKETHRU) {
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int yOff = GUI_Context.pAFont->Baseline - ((GUI_Context.pAFont->CHeight + 1) / 2);
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LCD_DrawHLine(x0, GUI_Context.DispPosY + yOff, x1);
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}
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/* Handle over line */
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if (GUI_Context.TextStyle & GUI_TS_OVERLINE) {
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int yOff = GUI_Context.pAFont->Baseline - GUI_Context.pAFont->CHeight - 1;
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if (yOff < 0) {
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yOff = 0;
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}
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LCD_DrawHLine(x0, GUI_Context.DispPosY + yOff, x1);
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}
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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_SetTextStyle
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*/
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char GUI_SetTextStyle(char Style) {
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char OldStyle;
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GUI_LOCK();
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OldStyle = GUI_Context.TextStyle;
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GUI_pfDispCharStyle = GUI__cbDrawTextStyle; /* Init function pointer (function in this module) */
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GUI_Context.TextStyle = Style;
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GUI_UNLOCK();
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return OldStyle;
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}
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/*************************** End of file ****************************/
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