76 lines
2.5 KiB
C
76 lines
2.5 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__CalcTextRect.c
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Purpose : Implementation of gui function
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---------------------------END-OF-HEADER------------------------------
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*/
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#include <stdlib.h>
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#include "GUI_Protected.h"
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#include "GUI.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__CalcTextRect
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*/
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void GUI__CalcTextRect(const char GUI_UNI_PTR* pText, const GUI_RECT* pTextRectIn, GUI_RECT* pTextRectOut, int TextAlign) {
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if (pText) {
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int xPos, yPos, TextWidth, TextHeight;
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/* Calculate X-pos of text */
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TextWidth = GUI_GetStringDistX(pText);
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switch (TextAlign & GUI_TA_HORIZONTAL) {
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case GUI_TA_HCENTER:
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xPos = pTextRectIn->x0 + ((pTextRectIn->x1 - pTextRectIn->x0 + 1) - TextWidth) / 2;
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break;
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case GUI_TA_RIGHT:
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xPos = pTextRectIn->x1 - TextWidth + 1;
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break;
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default:
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xPos = pTextRectIn->x0;
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}
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/* Calculate Y-pos of text*/
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TextHeight = GUI_GetFontDistY();
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switch (TextAlign & GUI_TA_VERTICAL) {
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case GUI_TA_VCENTER:
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yPos = pTextRectIn->y0 + ((pTextRectIn->y1 - pTextRectIn->y0 + 1) - TextHeight) / 2;
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break;
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case GUI_TA_BOTTOM:
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yPos = pTextRectIn->y1 - TextHeight + 1;
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break;
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case GUI_TA_BASELINE:
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default:
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yPos = pTextRectIn->y0;
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}
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/* Return text rectangle */
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pTextRectOut->x0 = xPos;
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pTextRectOut->y0 = yPos;
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pTextRectOut->x1 = xPos + TextWidth - 1;
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pTextRectOut->y1 = yPos + TextHeight - 1;
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} else {
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*pTextRectOut = *pTextRectIn;
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}
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}
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/*************************** End of file ****************************/
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