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[font] Use freetype instead of Pillow for font rendering (#8300)

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This commit is contained in:
Clyde Stubbs
2025-02-28 06:50:51 +11:00
committed by GitHub
parent 1029202848
commit 9bc4f68d87
4 changed files with 191 additions and 190 deletions
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esphome/components/font/__init__.py
+185 -185
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File diff suppressed because it is too large Load Diff
esphome/components/font/font.cpp
+4 -4
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@@ -81,7 +81,7 @@ void Font::measure(const char *str, int *width, int *x_offset, int *baseline, in
if (glyph_n < 0) {
// Unknown char, skip
if (!this->get_glyphs().empty())
x += this->get_glyphs()[0].glyph_data_->width;
x += this->get_glyphs()[0].glyph_data_->advance;
i++;
continue;
}
@@ -92,7 +92,7 @@ void Font::measure(const char *str, int *width, int *x_offset, int *baseline, in
} else {
min_x = std::min(min_x, x + glyph.glyph_data_->offset_x);
}
x += glyph.glyph_data_->width + glyph.glyph_data_->offset_x;
x += glyph.glyph_data_->advance;
i += match_length;
has_char = true;
@@ -111,7 +111,7 @@ void Font::print(int x_start, int y_start, display::Display *display, Color colo
// Unknown char, skip
ESP_LOGW(TAG, "Encountered character without representation in font: '%c'", text[i]);
if (!this->get_glyphs().empty()) {
uint8_t glyph_width = this->get_glyphs()[0].glyph_data_->width;
uint8_t glyph_width = this->get_glyphs()[0].glyph_data_->advance;
display->filled_rectangle(x_at, y_start, glyph_width, this->height_, color);
x_at += glyph_width;
}
@@ -161,7 +161,7 @@ void Font::print(int x_start, int y_start, display::Display *display, Color colo
}
}
}
x_at += glyph.glyph_data_->width + glyph.glyph_data_->offset_x;
x_at += glyph.glyph_data_->advance;
i += match_length;
}
esphome/components/font/font.h
+1
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@@ -15,6 +15,7 @@ class Font;
struct GlyphData {
const uint8_t *a_char;
const uint8_t *data;
int advance;
int offset_x;
int offset_y;
int width;
esphome/components/lvgl/font.cpp
+1 -1
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@@ -19,7 +19,7 @@ static bool get_glyph_dsc_cb(const lv_font_t *font, lv_font_glyph_dsc_t *dsc, ui
const auto *gd = fe->get_glyph_data(unicode_letter);
if (gd == nullptr)
return false;
dsc->adv_w = gd->offset_x + gd->width;
dsc->adv_w = gd->advance;
dsc->ofs_x = gd->offset_x;
dsc->ofs_y = fe->height - gd->height - gd->offset_y - fe->baseline;
dsc->box_w = gd->width;