thooge/esp32-nmea2000-obp60
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Fix drawTextRalign(): avoid wobbling when DSEG italic font is used

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This commit is contained in:
Ulrich Meine
2026-08-12 23:02:49 +02:00
parent aebc18a75d
commit 50dc5955a0
3 changed files with 148 additions and 143 deletions
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lib/obp60task/OBP60Extensions.cpp
+22 -6
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@@ -572,16 +572,32 @@ void drawButtonCenter(int16_t cx, int16_t cy, int8_t sx, int8_t sy, String text,
} }
// Draw right aligned text // Draw right aligned text
void drawTextRalign(int16_t x, int16_t y, String text) { // int16_t x - upper right x position for text to start printing
int16_t x1, y1; // int16_t y - upper right y position for text to start printing
uint16_t w, h; // const String& text - text to be printed
// bool dsegAdjust = false - optional, for adjustment of DSEG italic font
void drawTextRalign(int16_t x, int16_t y, const String& text, bool dsegAdjust)
{
int16_t x1 = 0, y1 = 0;
uint16_t w = 0, h = 0;
String str = text;
// make sure that we always have a char with max size at last position for boundary test
// to avoid text wobbling of DSEG italic font
if (dsegAdjust && str.length() > 0 && isDigit(str[str.length() - 1])) {
str.setCharAt(str.length() - 1, '8');
}
#ifdef TFT_DISPLAY #ifdef TFT_DISPLAY
w = getdisplay().textWidth(text); w = getdisplay().textWidth(str);
h = getdisplay().fontHeight(); h = getdisplay().fontHeight();
#else #else
getdisplay().getTextBounds(text, 0, 150, &x1, &y1, &w, &h); getdisplay().getTextBounds(str, 0, y, &x1, &y1, &w, &h);
#endif #endif
getdisplay().setCursor(x - w - 1, y); // '-1' required since some strings wrap around w/o it
int16_t cursorX = x - x1 - w;
getdisplay().setCursor(cursorX, y);
// getdisplay().setCursor(x - w - 1, y); // '-1' required since some strings wrap around w/o it
getdisplay().print(text); getdisplay().print(text);
} }
lib/obp60task/OBP60Extensions.h
+1 -1
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@@ -734,7 +734,7 @@ String xdrDelete(String input); // Delete xdr prefix from string
void drawTextCenter(int16_t cx, int16_t cy, String text); void drawTextCenter(int16_t cx, int16_t cy, String text);
void drawButtonCenter(int16_t cx, int16_t cy, int8_t sx, int8_t sy, String text, uint16_t fg, uint16_t bg, bool inverted); void drawButtonCenter(int16_t cx, int16_t cy, int8_t sx, int8_t sy, String text, uint16_t fg, uint16_t bg, bool inverted);
void drawTextRalign(int16_t x, int16_t y, String text); void drawTextRalign(int16_t x, int16_t y, const String& text, bool dsegAdjust = false);
void drawTextBoxed(Rect box, String text, uint16_t fg, uint16_t bg, bool inverted, bool border); void drawTextBoxed(Rect box, String text, uint16_t fg, uint16_t bg, bool inverted, bool border);
void displayTrendHigh(int16_t x, int16_t y, uint16_t size, uint16_t color); void displayTrendHigh(int16_t x, int16_t y, uint16_t size, uint16_t color);
lib/obp60task/PageSixValues.cpp
+43 -54
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@@ -6,46 +6,45 @@
const int SixValues_x1 = 5; const int SixValues_x1 = 5;
const int SixValues_DeltaX = 200; const int SixValues_DeltaX = 200;
// const int SixValues_y1 = 23;
const int SixValues_y1 = 22; const int SixValues_y1 = 22;
const int SixValues_DeltaY = 83; const int SixValues_DeltaY = 83;
const int HowManyValues = 6; const int HowManyValues = 6;
class PageSixValues : public Page class PageSixValues : public Page {
{ public:
public: PageSixValues(CommonData& common)
PageSixValues(CommonData &common){ {
commonData = &common; commonData = &common;
common.logger->logDebug(GwLog::LOG,"Instantiate PageSixValues"); common.logger->logDebug(GwLog::LOG, "Instantiate PageSixValues");
} }
virtual int handleKey(int key){ virtual int handleKey(int key)
{
// Code for keylock // Code for keylock
if(key == 11){ if (key == 11) {
commonData->keylock = !commonData->keylock; commonData->keylock = !commonData->keylock;
return 0; // Commit the key return 0; // Commit the key
} }
return key; return key;
} }
int displayPage(PageData &pageData){ int displayPage(PageData& pageData)
GwConfigHandler *config = commonData->config; {
GwLog *logger = commonData->logger; GwConfigHandler* config = commonData->config;
GwLog* logger = commonData->logger;
// Old values for hold function // Old values for hold function
static String OldDataText[HowManyValues] = {"", "", "", "", "", ""}; static String OldDataText[HowManyValues] = { "", "", "", "", "", "" };
static String OldDataUnits[HowManyValues] = {"", "", "", "", "", ""}; static String OldDataUnits[HowManyValues] = { "", "", "", "", "", "" };
// Get config data // Get config data
String lengthformat = config->getString(config->lengthFormat); String lengthformat = config->getString(config->lengthFormat);
// bool simulation = config->getBool(config->useSimuData);
bool holdvalues = config->getBool(config->holdvalues); bool holdvalues = config->getBool(config->holdvalues);
String flashLED = config->getString(config->flashLED); String flashLED = config->getString(config->flashLED);
String backlightMode = config->getString(config->backlight); String backlightMode = config->getString(config->backlight);
GwApi::BoatValue *bvalue; GwApi::BoatValue* bvalue;
String DataName[HowManyValues]; String DataName[HowManyValues];
double DataValue[HowManyValues]; double DataValue[HowManyValues];
bool DataValid[HowManyValues]; bool DataValid[HowManyValues];
@@ -53,7 +52,7 @@ class PageSixValues : public Page
String DataUnits[HowManyValues]; String DataUnits[HowManyValues];
String DataFormat[HowManyValues]; String DataFormat[HowManyValues];
for (int i = 0; i < HowManyValues; i++){ for (int i = 0; i < HowManyValues; i++) {
bvalue = pageData.values[i]; bvalue = pageData.values[i];
DataName[i] = xdrDelete(bvalue->getName()); DataName[i] = xdrDelete(bvalue->getName());
DataName[i] = DataName[i].substring(0, 6); // String length limit for value name DataName[i] = DataName[i].substring(0, 6); // String length limit for value name
@@ -65,12 +64,13 @@ class PageSixValues : public Page
} }
// Optical warning by limit violation (unused) // Optical warning by limit violation (unused)
if(String(flashLED) == "Limit Violation"){ if (String(flashLED) == "Limit Violation") {
setBlinkingLED(false); setBlinkingLED(false);
setFlashLED(false); setFlashLED(false);
} }
if (bvalue == NULL) return PAGE_OK; // WTF why this statement? if (bvalue == NULL)
return PAGE_OK;
// Draw page // Draw page
//*********************************************************** //***********************************************************
@@ -79,81 +79,70 @@ class PageSixValues : public Page
displaySetPartialWindow(0, 0, getdisplay().width(), getdisplay().height()); // Set partial update displaySetPartialWindow(0, 0, getdisplay().width(), getdisplay().height()); // Set partial update
getdisplay().setTextColor(commonData->fgcolor); getdisplay().setTextColor(commonData->fgcolor);
for (int i = 0; i < ( HowManyValues / 2 ); i++){ for (int i = 0; i < (HowManyValues / 2); i++) {
if (i < (HowManyValues / 2) - 1) { // Don't draw horizontal line after last line of values -> standard design if (i < (HowManyValues / 2) - 1) { // Don't draw horizontal line after last line of values -> standard design
// Horizontal line 3 pix // Horizontal line 3 pix
getdisplay().fillRect(0, SixValues_y1+(i+1)*SixValues_DeltaY, 400, 3, commonData->fgcolor); getdisplay().fillRect(0, SixValues_y1 + (i + 1) * SixValues_DeltaY, 400, 3, commonData->fgcolor);
} }
for (int j = 0; j < 2; j++){ for (int j = 0; j < 2; j++) {
int ValueIndex = i * 2 + j; int ValueIndex = i * 2 + j;
int x0 = SixValues_x1 + j * SixValues_DeltaX; int x0 = SixValues_x1 + j * SixValues_DeltaX;
int y0 = SixValues_y1 + i * SixValues_DeltaY; int y0 = SixValues_y1 + i * SixValues_DeltaY;
LOG_DEBUG(GwLog::LOG,"Drawing at PageSixValue: %d %s %f %s", ValueIndex, DataName[ValueIndex], DataValue[ValueIndex], DataFormat[ValueIndex] ); LOG_DEBUG(GwLog::LOG, "Drawing at PageSixValue: %d %s %f %s", ValueIndex, DataName[ValueIndex], DataValue[ValueIndex], DataFormat[ValueIndex]);
// Show name // Show name
getdisplay().setFont(&Ubuntu_Bold12pt8b); getdisplay().setFont(&Ubuntu_Bold12pt8b);
getdisplay().setCursor(x0, y0+25); getdisplay().setCursor(x0, y0 + 25);
getdisplay().print(DataName[ValueIndex]); // Page name getdisplay().print(DataName[ValueIndex]); // Page name
// Show unit // Show unit
getdisplay().setFont(&Ubuntu_Bold8pt8b); getdisplay().setFont(&Ubuntu_Bold8pt8b);
if(holdvalues == false){ if (holdvalues == false) {
drawTextRalign(x0+187, y0+19, DataUnits[ValueIndex]); // Unit drawTextRalign(x0 + 187, y0 + 19, DataUnits[ValueIndex]); // Unit
} } else {
else{ drawTextRalign(x0 + 187, y0 + 19, OldDataUnits[ValueIndex]);
drawTextRalign(x0+187, y0+19, OldDataUnits[ValueIndex]);
} }
// Switch font depending on data type // Switch font depending on data type
if(DataFormat[ValueIndex] == "formatLatitude" || DataFormat[ValueIndex] == "formatLongitude"){ if (DataFormat[ValueIndex] == "formatLatitude" || DataFormat[ValueIndex] == "formatLongitude") {
getdisplay().setFont(&Ubuntu_Bold12pt8b); getdisplay().setFont(&Ubuntu_Bold12pt8b);
getdisplay().setCursor(x0+21, y0+60); } else if (DataFormat[ValueIndex] == "formatTime" || DataFormat[ValueIndex] == "formatDate") {
}
else if(DataFormat[ValueIndex] == "formatTime" || DataFormat[ValueIndex] == "formatDate"){
getdisplay().setFont(&Ubuntu_Bold16pt8b); getdisplay().setFont(&Ubuntu_Bold16pt8b);
getdisplay().setCursor(x0+23,y0+55);
} }
// pressure in hPa // pressure in hPa
else if(DataFormat[ValueIndex] == "formatXdr:P:P"){ else if (DataFormat[ValueIndex] == "formatXdr:P:P") {
getdisplay().setFont(&DSEG7Classic_BoldItalic26pt7b); getdisplay().setFont(&DSEG7Classic_BoldItalic26pt7b);
getdisplay().setCursor(x0+23, y0+79);
} }
// RPM // RPM
else if(DataFormat[ValueIndex] == "formatXdr:T:R"){ else if (DataFormat[ValueIndex] == "formatXdr:T:R") {
getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b); getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
getdisplay().setCursor(x0+23, y0+79);
} }
else{ else {
getdisplay().setFont(&DSEG7Classic_BoldItalic26pt7b); getdisplay().setFont(&DSEG7Classic_BoldItalic26pt7b);
if ( DataText[ValueIndex][0] == '-' )
getdisplay().setCursor(x0+23, y0+79);
else
getdisplay().setCursor(x0+65, y0+79);
} }
// Show bus data // Show bus data
if(holdvalues == false){ if (holdvalues == false) {
getdisplay().print(DataText[ValueIndex]); // Real value as formated string drawTextRalign(x0 + 187, y0 + 79, DataText[ValueIndex], true); // Real value as formatted string
} else {
drawTextRalign(x0 + 187, y0 + 79, OldDataText[ValueIndex], true); // Old value as formatted string
} }
else{ if (DataValid[ValueIndex] == true) {
getdisplay().print(OldDataText[ValueIndex]); // Old value as formated string
}
if(DataValid[ValueIndex] == true){
OldDataText[ValueIndex] = DataText[ValueIndex]; // Save the old value OldDataText[ValueIndex] = DataText[ValueIndex]; // Save the old value
OldDataUnits[ValueIndex] = DataUnits[ValueIndex]; // Save the old unit OldDataUnits[ValueIndex] = DataUnits[ValueIndex]; // Save the old unit
} }
} }
// Vertical line 3 pix // Vertical line 3 pix
getdisplay().fillRect(SixValues_x1+SixValues_DeltaX-8, SixValues_y1+i*SixValues_DeltaY, 3, SixValues_DeltaY, commonData->fgcolor); getdisplay().fillRect(SixValues_x1 + SixValues_DeltaX - 8, SixValues_y1 + i * SixValues_DeltaY, 3, SixValues_DeltaY, commonData->fgcolor);
} }
return PAGE_UPDATE; return PAGE_UPDATE;
}; };
};
}; static Page* createPage(CommonData& common)
static Page *createPage(CommonData &common){ {
return new PageSixValues(common); return new PageSixValues(common);
}/** } /**
* with the code below we make this page known to the PageTask * with the code below we make this page known to the PageTask
* we give it a type (name) that can be selected in the config * we give it a type (name) that can be selected in the config
* we define which function is to be called * we define which function is to be called