doc: renamed project
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SylvanArnold
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Sylvan Arnold
Sylvan Arnold
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434
pico-sensor/McuLib/src/McuFontDisplay.c
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434
pico-sensor/McuLib/src/McuFontDisplay.c
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/* ###################################################################
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** This component module is generated by Processor Expert. Do not modify it.
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** Filename : McuFontDisplay.h
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** Project : FRDM-K64F_Generator
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** Processor : MK64FN1M0VLL12
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** Component : FontDisplay
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** Version : Component 01.201, Driver 01.00, CPU db: 3.00.000
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** Compiler : GNU C Compiler
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** Date/Time : 2023-12-20, 18:09, # CodeGen: 825
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** Abstract :
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** Driver to write fonts using GFont component
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** Settings :
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** Bean name : McuFontDisplay
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** System :
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** InhGDisplay : McuGDisplaySSD1306
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** Contents :
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** GetFontHeight - void McuFontDisplay_GetFontHeight(McuFontDisplay_Font *font,...
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** GetStringHeight - McuFontDisplay_PixelDim McuFontDisplay_GetStringHeight(uint8_t *str,...
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** GetCharWidth - void McuFontDisplay_GetCharWidth(uint8_t ch, McuFontDisplay_PixelDim...
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** GetStringWidth - McuFontDisplay_PixelDim McuFontDisplay_GetStringWidth(uint8_t *str,...
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** WriteString - void McuFontDisplay_WriteString(uint8_t *str, McuFontDisplay_PixelColor...
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** WriteStringWidth - void McuFontDisplay_WriteStringWidth(uint8_t *str, McuFontDisplay_PixelColor...
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** WriteChar - void McuFontDisplay_WriteChar(uint8_t ch, McuFontDisplay_PixelColor color,...
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** Deinit - void McuFontDisplay_Deinit(void);
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** Init - void McuFontDisplay_Init(void);
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**
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** * Copyright (c) 2011-2020, Erich Styger
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** * Web: https://mcuoneclipse.com
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** * SourceForge: https://sourceforge.net/projects/mcuoneclipse
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** * Git: https://github.com/ErichStyger/McuOnEclipse_PEx
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** * All rights reserved.
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** *
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** * Redistribution and use in source and binary forms, with or without modification,
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** * are permitted provided that the following conditions are met:
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** *
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** * - Redistributions of source code must retain the above copyright notice, this list
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** * of conditions and the following disclaimer.
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** *
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** * - Redistributions in binary form must reproduce the above copyright notice, this
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** * list of conditions and the following disclaimer in the documentation and/or
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** * other materials provided with the distribution.
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** *
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** * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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** * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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** * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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** * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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** * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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** * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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** * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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** * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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** * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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** ###################################################################*/
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/*!
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** @file McuFontDisplay.h
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** @version 01.00
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** @brief
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** Driver to write fonts using GFont component
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*/
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/*!
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** @addtogroup McuFontDisplay_module McuFontDisplay module documentation
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** @{
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*/
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/* MODULE McuFontDisplay. */
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#include "McuFontDisplay.h"
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#include <stddef.h> /* for NULL */
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/*
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** ===================================================================
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** Method : WriteChar (component FontDisplay)
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**
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** Description :
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** Function to write a character at the start point. Set the
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** start point with the function setCursor.
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** Parameters :
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** NAME - DESCRIPTION
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** ch - the character to print
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** color - Foreground color to be used (for the
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** character pixels)
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** * xCursor - Pointer to x position of character
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** (upper left corner). On return this will
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** contain the next x position.
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** * yCursor - Pointer to y position of character
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** (upper left corner). On return this will
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** contain the next y position.
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** * font - Pointer to font information
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** Returns : Nothing
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** ===================================================================
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*/
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void McuFontDisplay_WriteChar(uint8_t ch, McuFontDisplay_PixelColor color, McuFontDisplay_PixelDim *xCursor, McuFontDisplay_PixelDim *yCursor, McuFontDisplay_Font *font)
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{
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PGFONT_CharInfo charStruct; /* font information */
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uint8_t *data; /* actual character of string text[] */
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uint8_t w; /* counter variable row bits of character */
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uint8_t h; /* counter variable column bits of character */
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McuFontDisplay_PixelDim currY;
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McuFontDisplay_PixelDim currX;
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signed char b; /* bit position in byte stream */
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if (ch=='\t') { /* tabulator */
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ch = ' '; /* use a space instead */
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}
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charStruct = font->GetFontChar((uint8_t)ch);
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if (ch=='\n') { /* move to a new line */
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*yCursor += font->boundingBoxHeight; /* set next cursor position */
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return;
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}
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if (ch=='\r') { /* move to beginning of line */
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return; /* do nothing. Only the caller may know what the beginning of line is */
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}
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data = (uint8_t*)charStruct->CharBMP; /* get the pointer */
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if (data != NULL) { /* printable character. Only if we have a character info. This is not the case e.g. for \n */
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currY = (McuFontDisplay_PixelDim)(*yCursor
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+ font->boundingBoxHeight /* height of box. This includes the space between lines plus the space under the base line */
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- font->lineSpaceBoxHeight /* space between two lines */
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- font->underlineBoxHeight /* space below the base line */
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- charStruct->offsetY
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- charStruct->height);
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currX = (McuFontDisplay_PixelDim)(*xCursor + charStruct->offsetX);
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h = 0;
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for(;;) { /* breaks, process line by line */
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w = 0; /* width position */
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b = 7; /* bit position, MSB first */
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for(;;) { /* breaks, prints one pixel line */
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if ((((*data)&(1<<b))>>b)==1) { /* note that we do not change the background pixels */
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McuGDisplaySSD1306_PutPixel((McuFontDisplay_PixelDim)(currX+w), currY, color);
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}
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w++; /* width counter */
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b--; /* next pixel */
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if((b==-1)||(w==charStruct->width)) { /* last bit of byte reached or last bit of the width reached */
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if(w==charStruct->width) { /* last bit of the row from the current character */
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break; /* out of while loop */
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} else {
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b = 7;
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data++; /* next byte */
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}
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}
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} /* for */
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data++; /* next byte */
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h++; /* height counter increment */
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currY++; /* one row up */
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if(h==(charStruct->height)){ /* finished character */
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break;
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} /* next row of character */
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} /* for */
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*xCursor += charStruct->dwidth; /* set next cursor position */
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} /* if printable character */
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}
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/*
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** ===================================================================
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** Method : WriteString (component FontDisplay)
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**
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** Description :
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** Function to write a string or character at the startpoint.
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** Set the startpoint with the function setCursor.
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** Parameters :
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** NAME - DESCRIPTION
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** * str - Pointer to the character string
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** color - Foreground color to be used (for the
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** character pixels)
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** * xCursor - Pointer to x position of first
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** character (upper left corner). On return
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** this will contain the next y position.
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** * yCursor - Pointer to y position of character
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** (upper left corner). On return this will
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** contain the next y position.
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** * font - Pointer to font information
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** Returns : Nothing
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** ===================================================================
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*/
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void McuFontDisplay_WriteString(uint8_t *str, McuFontDisplay_PixelColor color, McuFontDisplay_PixelDim *xCursor, McuFontDisplay_PixelDim *yCursor, McuFontDisplay_Font *font)
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{
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McuFontDisplay_PixelDim x = *xCursor;
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while(*str!='\0') {
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if (*str=='\r') {
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*xCursor = x;
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} else if (*str=='\n') {
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*xCursor = x;
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*yCursor += font->boundingBoxHeight;
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} else {
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McuFontDisplay_WriteChar(*str, color, xCursor, yCursor, font);
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}
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str++;
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}
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}
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/*
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** ===================================================================
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** Method : WriteStringWidth (component FontDisplay)
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**
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** Description :
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** Function to write a string or character at the startpoint.
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** Set the startpoint with the function setCursor. If the
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** string reaches the given width, the text gets wrapped to a
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** new line.
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** Parameters :
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** NAME - DESCRIPTION
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** * str - Pointer to the character string
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** color - Foreground color to be used (for the
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** character pixels)
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** * xCursor - Pointer to x position of first
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** character (upper left corner). On return
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** this will contain the next y position.
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** * yCursor - Pointer to y position of character
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** (upper left corner). On return this will
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** contain the next y position.
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** * font - Pointer to font information
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** width - Maximum of width of the text box. If
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** text reaches the end of the box, the text
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** gets wrapped to a new line.
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** Returns : Nothing
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** ===================================================================
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*/
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void McuFontDisplay_WriteStringWidth(uint8_t *str, McuFontDisplay_PixelColor color, McuFontDisplay_PixelDim *xCursor, McuFontDisplay_PixelDim *yCursor, McuFontDisplay_Font *font, McuFontDisplay_PixelDim width)
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{
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McuFontDisplay_PixelDim x = *xCursor;
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while(*str!='\0') {
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if (*str=='\r') {
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*xCursor = x;
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} else if (*str=='\n') {
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*xCursor = x;
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*yCursor += font->boundingBoxHeight;
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} else {
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if ((McuFontDisplay_PixelDim)((*xCursor - x) + ((PGFONT_CharInfo)(font->GetFontChar((uint8_t)*str)))->dwidth) >= width)
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{ /* check if we would reach the end of the box: wrap to a new line */
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*xCursor = x;
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*yCursor += font->boundingBoxHeight;
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}
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McuFontDisplay_WriteChar(*str, color, xCursor, yCursor, font);
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}
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str++;
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}
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}
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/*
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** ===================================================================
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** Method : GetCharWidth (component FontDisplay)
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**
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** Description :
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** returns the width (in pixels) of a font character.
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** Parameters :
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** NAME - DESCRIPTION
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** ch - character for which to calculate the width
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** * charWidth - Pointer to width of the
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** character in pixels (this is only for the
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** character, without the space after the
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** character)
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** * totalWidth - Pointer to the total width
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** of the character, including to the space
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** after the character.
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** * font - Pointer to font information
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** Returns : Nothing
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** ===================================================================
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*/
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void McuFontDisplay_GetCharWidth(uint8_t ch, McuFontDisplay_PixelDim *charWidth, McuFontDisplay_PixelDim *totalWidth, McuFontDisplay_Font *font)
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{
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PGFONT_CharInfo charStruct;
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charStruct = font->GetFontChar((uint8_t)ch);
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if (charStruct != NULL) {
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*charWidth = (McuFontDisplay_PixelDim)(charStruct->width+charStruct->offsetX);
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*totalWidth = (McuFontDisplay_PixelDim)charStruct->dwidth;
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} else {
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*charWidth = 0;
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*totalWidth = 0;
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}
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}
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/*
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** ===================================================================
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** Method : GetStringWidth (component FontDisplay)
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**
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** Description :
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** returns the width (in pixels) of a font string. For multiple
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** line strings (separated by \
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** ) or for strings with \r it returns the longest string
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** length.
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** Parameters :
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** NAME - DESCRIPTION
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** * str - Pointer to the string.
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** * font - Pointer to font information
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** * lastCharSpace - Pointer to the width
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** of the last character space, useful if you
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** combine multiple strings. The pointer may
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** be NULL.
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** Returns :
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** --- - Error code
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** ===================================================================
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*/
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McuFontDisplay_PixelDim McuFontDisplay_GetStringWidth(uint8_t *str, McuFontDisplay_Font *font, McuFontDisplay_PixelDim *lastCharSpace)
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{
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unsigned char *p; /* pointer to the actual character */
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McuFontDisplay_PixelDim currWidth; /* current width of string */
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McuFontDisplay_PixelDim maxWidth; /* maximum width of string */
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McuFontDisplay_PixelDim maxWidthSpace; /* last space of maximum string */
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McuFontDisplay_PixelDim charSpace; /* last character space */
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McuFontDisplay_PixelDim charWidth, totalWidth; /* character and total width of character */
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currWidth = maxWidth = 0;
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charWidth = totalWidth = 0;
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charSpace = maxWidthSpace = 0;
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p = str;
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for (;;) { /* breaks */
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if (*p=='\n' || *p=='\r' || *p=='\0') { /* multi-line string */
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currWidth -= charSpace; /* subtract last space */
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if (currWidth > maxWidth) { /* remember maximum line */
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maxWidth = currWidth;
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maxWidthSpace = charSpace;
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}
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currWidth = charSpace = 0;
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if (*p == '\0') {
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break;
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}
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} else {
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McuFontDisplay_GetCharWidth(*p, &charWidth, &totalWidth, font);
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currWidth += totalWidth;
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charSpace = (McuFontDisplay_PixelDim)(totalWidth-charWidth); /* calculate space of last/current character */
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}
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p++; /* next character */
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} /* for */
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if (lastCharSpace != NULL) {
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*lastCharSpace = maxWidthSpace;
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}
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return maxWidth; /* return width */
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}
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/*
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** ===================================================================
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** Method : GetFontHeight (component FontDisplay)
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**
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** Description :
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** returns the height (in pixels) of a font.
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** Parameters :
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** NAME - DESCRIPTION
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** * font - Pointer to font information
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** * charHeight - Pointer to height of the
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** character in pixels.
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** * totalHeight - Pointer to the total
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** height of the character, including to the
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** space below the character.
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** Returns : Nothing
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** ===================================================================
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*/
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void McuFontDisplay_GetFontHeight(McuFontDisplay_Font *font, McuFontDisplay_PixelDim *charHeight, McuFontDisplay_PixelDim *totalHeight)
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{
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*charHeight = (McuFontDisplay_PixelDim)(font->boundingBoxHeight-font->lineSpaceBoxHeight);
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*totalHeight = font->boundingBoxHeight;
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}
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/*
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** ===================================================================
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** Method : GetStringHeight (component FontDisplay)
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**
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** Description :
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** returns the height (in pixels) of a font string. For
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** multiple line strings (separated by newline) or for strings
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** with \r it returns the longest list.
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** Parameters :
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** NAME - DESCRIPTION
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** * str - Pointer to the string.
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** * font - Pointer to font information
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** * lastLineSpace - Pointer to the height
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** of the last line space, useful if you
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** combine multiple strings. The pointer may
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** be NULL.
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** Returns :
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** --- - Error code
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** ===================================================================
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*/
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McuFontDisplay_PixelDim McuFontDisplay_GetStringHeight(uint8_t *str, McuFontDisplay_Font *font, McuFontDisplay_PixelDim *lastLineSpace)
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{
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uint16_t nofLines;
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McuFontDisplay_PixelDim charHeight, totalHeight;
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if (*str == '\0') {
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if (lastLineSpace != NULL) {
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*lastLineSpace = 0;
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}
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return 0;
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}
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nofLines = 1;
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while (*str != '\0') { /* breaks */
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if (*str=='\n') { /* multi-line string */
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nofLines++;
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}
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str++; /* next character */
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}
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McuFontDisplay_GetFontHeight(font, &charHeight, &totalHeight);
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if (lastLineSpace != NULL) {
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*lastLineSpace = (McuFontDisplay_PixelDim)(totalHeight-charHeight);
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}
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return (McuFontDisplay_PixelDim)((nofLines-1)*totalHeight + charHeight); /* return height */
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}
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/*
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** ===================================================================
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** Method : Deinit (component FontDisplay)
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**
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** Description :
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** Driver de-initialization
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** Parameters : None
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** Returns : Nothing
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** ===================================================================
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*/
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void McuFontDisplay_Deinit(void)
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{
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/* nothing needed */
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}
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/*
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** ===================================================================
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** Method : Init (component FontDisplay)
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**
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** Description :
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** Driver initialization
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** Parameters : None
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** Returns : Nothing
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** ===================================================================
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*/
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void McuFontDisplay_Init(void)
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{
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/* nothing needed */
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}
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/* END McuFontDisplay. */
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/*!
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** @}
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*/
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