86 lines
3.0 KiB
C
86 lines
3.0 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_DispString.C
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Purpose : Implementation of GUI_DispString function.
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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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* 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_DispString
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*/
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void GUI_DispString(const char GUI_UNI_PTR *s) {
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int xAdjust, yAdjust, xOrg;
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int FontSizeY;
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if (!s)
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return;
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GUI_LOCK();
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FontSizeY = GUI_GetFontDistY();
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xOrg = GUI_Context.DispPosX;
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/* Adjust vertical position */
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yAdjust = GUI_GetYAdjust();
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GUI_Context.DispPosY -= yAdjust;
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for (; *s; s++) {
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GUI_RECT r;
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int LineNumChars = GUI__GetLineNumChars(s, 0x7fff);
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int xLineSize = GUI__GetLineDistX(s, LineNumChars);
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/* Check if x-position needs to be changed due to h-alignment */
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switch (GUI_Context.TextAlign & GUI_TA_HORIZONTAL) {
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case GUI_TA_CENTER: xAdjust = xLineSize / 2; break;
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case GUI_TA_RIGHT: xAdjust = xLineSize; break;
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default: xAdjust = 0;
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}
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r.x0 = GUI_Context.DispPosX -= xAdjust;
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r.x1 = r.x0 + xLineSize - 1;
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r.y0 = GUI_Context.DispPosY;
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r.y1 = r.y0 + FontSizeY - 1;
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GUI__DispLine(s, LineNumChars, &r);
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GUI_Context.DispPosY = r.y0;
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s += GUI_UC__NumChars2NumBytes(s, LineNumChars);
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if ((*s == '\n') || (*s == '\r')) {
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switch (GUI_Context.TextAlign & GUI_TA_HORIZONTAL) {
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case GUI_TA_CENTER:
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case GUI_TA_RIGHT:
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GUI_Context.DispPosX = xOrg;
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break;
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default:
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GUI_Context.DispPosX = GUI_Context.LBorder;
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break;
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}
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if (*s == '\n')
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GUI_Context.DispPosY += FontSizeY;
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} else {
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GUI_Context.DispPosX = r.x0 + xLineSize;
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}
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if (*s == 0) /* end of string (last line) reached ? */
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break;
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}
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GUI_Context.DispPosY += yAdjust;
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GUI_Context.TextAlign &= ~GUI_TA_HORIZONTAL;
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GUI_UNLOCK();
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}
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/*************************** End of file ****************************/
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