From a8b821c2139739ef5db038e6e57a59eef524749f Mon Sep 17 00:00:00 2001 From: Fabian Date: Wed, 10 May 2023 02:47:24 +0200 Subject: [PATCH] [display] Small display print performance improvement (#4788) --- esphome/components/display/display_buffer.cpp | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/esphome/components/display/display_buffer.cpp b/esphome/components/display/display_buffer.cpp index 19751e7355..f4e7785b5e 100644 --- a/esphome/components/display/display_buffer.cpp +++ b/esphome/components/display/display_buffer.cpp @@ -282,10 +282,14 @@ void DisplayBuffer::print(int x, int y, Font *font, Color color, TextAlign align int scan_x1, scan_y1, scan_width, scan_height; glyph.scan_area(&scan_x1, &scan_y1, &scan_width, &scan_height); - for (int glyph_x = scan_x1; glyph_x < scan_x1 + scan_width; glyph_x++) { - for (int glyph_y = scan_y1; glyph_y < scan_y1 + scan_height; glyph_y++) { - if (glyph.get_pixel(glyph_x, glyph_y)) { - this->draw_pixel_at(glyph_x + x_at, glyph_y + y_start, color); + { + const int glyph_x_max = scan_x1 + scan_width; + const int glyph_y_max = scan_y1 + scan_height; + for (int glyph_x = scan_x1; glyph_x < glyph_x_max; glyph_x++) { + for (int glyph_y = scan_y1; glyph_y < glyph_y_max; glyph_y++) { + if (glyph.get_pixel(glyph_x, glyph_y)) { + this->draw_pixel_at(glyph_x + x_at, glyph_y + y_start, color); + } } } }