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Fix for #6614- use background_color, improve anti-aliasing (#6618)

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Clyde Stubbs 2024-04-26 07:00:01 +10:00 committed by GitHub
parent 2fa5846893
commit 0662c5e0fb
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GPG key ID: B5690EEEBB952194
2 changed files with 18 additions and 14 deletions
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17
esphome/components/font/font.cpp
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@ -129,7 +129,13 @@ void Font::print(int x_start, int y_start, display::Display *display, Color colo
uint8_t bitmask = 0;
uint8_t pixel_data = 0;
float bpp_max = (1 << this->bpp_) - 1;
uint8_t bpp_max = (1 << this->bpp_) - 1;
auto diff_r = (float) color.r - (float) background.r;
auto diff_g = (float) color.g - (float) background.g;
auto diff_b = (float) color.b - (float) background.b;
auto b_r = (float) background.r;
auto b_g = (float) background.g;
auto b_b = (float) background.g;
for (int glyph_y = y_start + scan_y1; glyph_y != max_y; glyph_y++) {
for (int glyph_x = x_at + scan_x1; glyph_x != max_x; glyph_x++) {
uint8_t pixel = 0;
@ -146,12 +152,9 @@ void Font::print(int x_start, int y_start, display::Display *display, Color colo
if (pixel == bpp_max) {
display->draw_pixel_at(glyph_x, glyph_y, color);
} else if (pixel != 0) {
float on = (float) pixel / bpp_max;
float off = 1.0 - on;
Color blended;
blended.r = color.r * on + background.r * off;
blended.g = color.r * on + background.g * off;
blended.b = color.r * on + background.b * off;
auto on = (float) pixel / (float) bpp_max;
auto blended =
Color((uint8_t) (diff_r * on + b_r), (uint8_t) (diff_g * on + b_g), (uint8_t) (diff_b * on + b_b));
display->draw_pixel_at(glyph_x, glyph_y, blended);
}
}

13
esphome/components/graphical_display_menu/graphical_display_menu.cpp
View file

@ -104,7 +104,8 @@ void GraphicalDisplayMenu::draw(display::Display *display, const display::Rect *
}
void GraphicalDisplayMenu::draw_menu_internal_(display::Display *display, const display::Rect *bounds) {
int total_height = 0;
int16_t total_height = 0;
int16_t max_width = 0;
int y_padding = 2;
bool scroll_menu_items = false;
std::vector<display::Rect> menu_dimensions;
@ -118,6 +119,7 @@ void GraphicalDisplayMenu::draw_menu_internal_(display::Display *display, const
menu_dimensions.push_back(item_dimensions);
total_height += item_dimensions.h + (i == 0 ? 0 : y_padding);
max_width = std::max(max_width, item_dimensions.w);
if (total_height <= bounds->h) {
number_items_fit_to_screen++;
@ -166,7 +168,8 @@ void GraphicalDisplayMenu::draw_menu_internal_(display::Display *display, const
// Render the items into the view port
display->start_clipping(*bounds);
int y_offset = bounds->y;
display->filled_rectangle(bounds->x, bounds->y, max_width, total_height, this->background_color_);
auto y_offset = bounds->y;
for (size_t i = first_item_index; i <= last_item_index; i++) {
const auto *item = this->displayed_item_->get_item(i);
const bool selected = i == this->cursor_index_;
@ -176,7 +179,7 @@ void GraphicalDisplayMenu::draw_menu_internal_(display::Display *display, const
dimensions.x = bounds->x;
this->draw_item(display, item, &dimensions, selected);
y_offset = dimensions.y + dimensions.h + y_padding;
y_offset += dimensions.h + y_padding;
}
display->end_clipping();
@ -219,9 +222,7 @@ inline void GraphicalDisplayMenu::draw_item(display::Display *display, const dis
// int background_width = std::max(bounds->width, available_width);
int background_width = bounds->w;
if (selected) {
display->filled_rectangle(bounds->x, bounds->y, background_width, bounds->h, background_color);
}
std::string label = item->get_text();
if (item->has_value()) {
@ -230,7 +231,7 @@ inline void GraphicalDisplayMenu::draw_item(display::Display *display, const dis
}
display->print(bounds->x, bounds->y, this->font_, foreground_color, display::TextAlign::TOP_LEFT, label.c_str(),
~foreground_color);
background_color);
}
void GraphicalDisplayMenu::draw_item(const display_menu_base::MenuItem *item, const uint8_t row, const bool selected) {