122 lines
4.4 KiB
C
122 lines
4.4 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 : GUICharP.C
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Purpose : Implementation of Proportional fonts
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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 "GUI_Private.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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* GUIPROP_FindChar
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*/
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static const GUI_FONT_PROP GUI_UNI_PTR * GUIPROP_FindChar(const GUI_FONT_PROP GUI_UNI_PTR* pProp, U16P c) {
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for (; pProp; pProp = pProp->pNext) {
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if ((c>=pProp->First) && (c<=pProp->Last))
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break;
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}
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return pProp;
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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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* GUIPROP_DispChar
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*
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* Purpose:
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* This is the routine that displays a character. It is used by all
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* other routines which display characters as a subroutine.
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*/
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void GUIPROP_DispChar(U16P c) {
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int BytesPerLine;
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GUI_DRAWMODE DrawMode = GUI_Context.TextMode;
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const GUI_FONT_PROP GUI_UNI_PTR * pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c);
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if (pProp) {
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GUI_DRAWMODE OldDrawMode;
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const GUI_CHARINFO GUI_UNI_PTR * pCharInfo = pProp->paCharInfo+(c-pProp->First);
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BytesPerLine = pCharInfo->BytesPerLine;
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OldDrawMode = LCD_SetDrawMode(DrawMode);
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LCD_DrawBitmap( GUI_Context.DispPosX, GUI_Context.DispPosY,
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pCharInfo->XSize,
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GUI_Context.pAFont->YSize,
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GUI_Context.pAFont->XMag,
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GUI_Context.pAFont->YMag,
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1, /* Bits per Pixel */
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BytesPerLine,
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pCharInfo->pData,
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&LCD_BKCOLORINDEX
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);
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/* Fill empty pixel lines */
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if (GUI_Context.pAFont->YDist > GUI_Context.pAFont->YSize) {
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int YMag = GUI_Context.pAFont->YMag;
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int YDist = GUI_Context.pAFont->YDist * YMag;
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int YSize = GUI_Context.pAFont->YSize * YMag;
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if (DrawMode != LCD_DRAWMODE_TRANS) {
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LCD_COLOR OldColor = GUI_GetColor();
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GUI_SetColor(GUI_GetBkColor());
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LCD_FillRect(GUI_Context.DispPosX,
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GUI_Context.DispPosY + YSize,
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GUI_Context.DispPosX + pCharInfo->XSize,
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GUI_Context.DispPosY + YDist);
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GUI_SetColor(OldColor);
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}
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}
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LCD_SetDrawMode(OldDrawMode); /* Restore draw mode */
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GUI_Context.DispPosX += pCharInfo->XDist * GUI_Context.pAFont->XMag;
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}
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}
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/*********************************************************************
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*
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* GUIPROP_GetCharDistX
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*/
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int GUIPROP_GetCharDistX(U16P c) {
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const GUI_FONT_PROP GUI_UNI_PTR * pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c);
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return (pProp) ? (pProp->paCharInfo+(c-pProp->First))->XSize * GUI_Context.pAFont->XMag : 0;
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}
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/*********************************************************************
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*
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* GUIPROP_GetFontInfo
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*/
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void GUIPROP_GetFontInfo(const GUI_FONT GUI_UNI_PTR * pFont, GUI_FONTINFO* pfi) {
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GUI_USE_PARA(pFont);
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pfi->Flags = GUI_FONTINFO_FLAG_PROP;
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}
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/*********************************************************************
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*
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* GUIPROP_IsInFont
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*/
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char GUIPROP_IsInFont(const GUI_FONT GUI_UNI_PTR * pFont, U16 c) {
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const GUI_FONT_PROP GUI_UNI_PTR * pProp = GUIPROP_FindChar(pFont->p.pProp, c);
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return (pProp==NULL) ? 0 : 1;
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}
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/*************************** End of file ****************************/
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