146 lines
4.2 KiB
C
146 lines
4.2 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 : GUICharLine.C
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Purpose : Implementation of character and string services
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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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* _DispLine
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*/
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static void _DispLine(const char GUI_UNI_PTR *s, int MaxNumChars, const GUI_RECT *pRect) {
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/* Check if we have anything to do at all ... */
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if (GUI_Context.pClipRect_HL) {
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if (GUI_RectsIntersect(GUI_Context.pClipRect_HL, pRect) == 0)
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return;
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}
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#if GUI_COMPILER_SUPPORTS_FP
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if (GUI_Context.pAFont->pafEncode) {
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GUI_Context.pAFont->pafEncode->pfDispLine(s, MaxNumChars);
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} else {
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#else
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{
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#endif
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U16 Char;
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while (--MaxNumChars >= 0) {
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Char = GUI_UC__GetCharCodeInc(&s);
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GUI_Context.pAFont->pfDispChar(Char);
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if (GUI_pfDispCharStyle) {
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GUI_pfDispCharStyle(Char);
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}
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}
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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__GetLineNumChars
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*/
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int GUI__GetLineNumChars(const char GUI_UNI_PTR *s, int MaxNumChars) {
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int NumChars = 0;
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if (s) {
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#if GUI_COMPILER_SUPPORTS_FP
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if (GUI_Context.pAFont->pafEncode) {
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return GUI_Context.pAFont->pafEncode->pfGetLineLen(s, MaxNumChars);
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}
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#endif
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for (; NumChars < MaxNumChars; NumChars++) {
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U16 Data = GUI_UC__GetCharCodeInc(&s);
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if ((Data == 0) || (Data == '\n')) {
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break;
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}
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}
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}
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return NumChars;
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}
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/*********************************************************************
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*
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* GUI_GetLineDistX
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*
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* This routine is used to calculate the length of a line in pixels.
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*/
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int GUI__GetLineDistX(const char GUI_UNI_PTR *s, int MaxNumChars) {
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int Dist = 0;
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if (s) {
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U16 Char;
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#if GUI_COMPILER_SUPPORTS_FP
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if (GUI_Context.pAFont->pafEncode) {
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return GUI_Context.pAFont->pafEncode->pfGetLineDistX(s, MaxNumChars);
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}
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#endif
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while (--MaxNumChars >= 0) {
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Char = GUI_UC__GetCharCodeInc(&s);
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Dist += GUI_GetCharDistX(Char);
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}
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}
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return Dist;
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}
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/*********************************************************************
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*
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* GUI__DispLine
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*/
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void GUI__DispLine(const char GUI_UNI_PTR *s, int MaxNumChars, const GUI_RECT* pr) {
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GUI_RECT r;
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#if GUI_SUPPORT_ROTATION
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if (GUI_pLCD_APIList) {
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#if GUI_WINSUPPORT
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WM_ITERATE_START(NULL) {
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#endif
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/* Do the actual drawing via routine call. */
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_DispLine(s, MaxNumChars, &r);
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#if GUI_WINSUPPORT
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} WM_ITERATE_END();
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#endif
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} else
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#endif
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{
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r = *pr;
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#if GUI_WINSUPPORT
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WM_ADDORG(r.x0, r.y0);
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WM_ADDORG(r.x1, r.y1);
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WM_ITERATE_START(&r) {
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#endif
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GUI_Context.DispPosX = r.x0;
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GUI_Context.DispPosY = r.y0;
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/* Do the actual drawing via routine call. */
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_DispLine(s, MaxNumChars, &r);
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#if GUI_WINSUPPORT
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} WM_ITERATE_END();
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WM_SUBORG(GUI_Context.DispPosX, GUI_Context.DispPosY);
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#endif
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}
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}
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/*************************** End of file ****************************/
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