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fix(display): render authentic DSEG7 34pt font during transition for pixel-perfect match

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Sebastián Nieto 2026-09-22 00:39:47 -03:00
parent 3c18eb78ac
commit 100d19762e
1 changed files with 23 additions and 7 deletions
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28
sketch/obd2_gauge/meter.h
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@ -1374,10 +1374,16 @@ inline void renderPage0ToSprite(TFT_eSprite &s, int x_offset, int y_slice, int s
drawQuadBarBlockToSprite(s, qx, qy, i, bCol, slice_h); drawQuadBarBlockToSprite(s, qx, qy, i, bCol, slice_h);
} }
// 4. Digital value string // 4. Digital value string using authentic DSEG7 34pt font (pixel-perfect match with resting screen)
String numStr = (val <= -900.0f) ? "---" : String(val, digit); String numStr = (val <= -900.0f) ? "---" : String(val, digit);
s.setTextColor(priCol); int textY = qy + 74;
s.drawRightString(numStr.c_str(), qx + 152, qy + 74, 4); if (textY < slice_h && textY + 40 > 0) {
s.fontLoaded = true;
s.setTextColor(priCol, TFT_BLACK);
s.setTextPadding(0);
s.drawRightString(numStr.c_str(), qx + 152, textY, 1);
s.fontLoaded = false;
}
} }
// 5. Eco Badge if active // 5. Eco Badge if active
@ -1470,10 +1476,16 @@ inline void renderPage1ToSprite(TFT_eSprite &s, int x_offset, int y_slice, int s
if (fillW < 4) fillW = 4; if (fillW < 4) fillW = 4;
s.fillRoundRect(barX, barY, fillW, 8, 3, accentCol); s.fillRoundRect(barX, barY, fillW, 8, 3, accentCol);
// Value text (clean built-in font 4: zero padding artifacts, zero distortion) // Value text using authentic DSEG7 34pt font matching drawTriTempCard
String numStr = (val <= -900.0f) ? "---" : (isInt ? String((int)val) : String(val, 1)); String numStr = (val <= -900.0f) ? "---" : (isInt ? String((int)val) : String(val, 1));
int numY = cardY + 22;
if (numY < slice_h && numY + 40 > 0) {
s.fontLoaded = true;
s.setTextColor(accentCol, cardBg); s.setTextColor(accentCol, cardBg);
s.drawRightString(numStr.c_str(), cardX + 262, cardY + 24, 4); s.setTextPadding(0);
s.drawRightString(numStr.c_str(), cardX + 262, numY, 1);
s.fontLoaded = false;
}
s.setTextColor(0xC618, cardBg); s.setTextColor(0xC618, cardBg);
s.drawString("`C", cardX + 268, cardY + 32, 2); s.drawString("`C", cardX + 268, cardY + 32, 2);
@ -1494,7 +1506,9 @@ inline void animateSlideTransition(bool swipeLeft) {
} }
spr.setTextFont(1); // CRITICAL: initializes textfont=1 and clears uninitialized gfxFont=NULL spr.setTextFont(1); // CRITICAL: initializes textfont=1 and clears uninitialized gfxFont=NULL
spr.setFreeFont(NULL); // CRITICAL: prevents crash in textWidth() when drawing Font 1 on stack sprite spr.setFreeFont(NULL); // CRITICAL: prevents crash in textWidth() when drawing Font 1 on stack sprite
Serial.printf(">>> [DB] Sprite created OK. Heap: %u, MaxAlloc: %u\n", ESP.getFreeHeap(), ESP.getMaxAllocHeap()); spr.loadFont(DSEG7_Modern_BoldItalic_34);
spr.fontLoaded = false; // Default to standard fonts until DSEG7 digits are drawn
Serial.printf(">>> [DB] Sprite created OK with DSEG7. Heap: %u, MaxAlloc: %u\n", ESP.getFreeHeap(), ESP.getMaxAllocHeap());
const uint8_t FRAMES = 28; const uint8_t FRAMES = 28;
// High-density sine ease-out deceleration over 28 frames: // High-density sine ease-out deceleration over 28 frames:
@ -1549,6 +1563,8 @@ inline void animateSlideTransition(bool swipeLeft) {
delay(7); // Ultra-smooth high density pacing (~330ms total) delay(7); // Ultra-smooth high density pacing (~330ms total)
} }
spr.fontLoaded = true;
spr.unloadFont();
spr.deleteSprite(); // Release the 25KB spr.deleteSprite(); // Release the 25KB
Serial.printf(">>> [DB] animateSlideTransition LEAVE (heap: %u)\n", ESP.getFreeHeap()); Serial.printf(">>> [DB] animateSlideTransition LEAVE (heap: %u)\n", ESP.getFreeHeap());
} }