Upstream/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2024-12-18 15:57:58 +01:00
Code Issues Projects Releases Wiki Activity

add gradient color V2.0 (#3709)

Browse Source
This commit is contained in:
NP v/d Spek 2022-08-14 22:21:08 +02:00 committed by GitHub
parent aeb81e547b
commit 1cf213dad8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
esphome/core/color.h
View File

@ -139,9 +139,19 @@ struct Color {
return Color(uint8_t((uint16_t(r) * 255U / max_rgb)), uint8_t((uint16_t(g) * 255U / max_rgb)),
uint8_t((uint16_t(b) * 255U / max_rgb)), w);
}
Color fade_to_white(uint8_t amnt) { return Color(255, 255, 255, 255) - (*this * amnt); }
Color fade_to_black(uint8_t amnt) { return *this * amnt; }
Color gradient(const Color &to_color, uint8_t amnt) { return (*this * amnt) + (to_color * (255 - amnt)); }
Color gradient(const Color &to_color, uint8_t amnt) {
Color new_color;
float amnt_f = float(amnt) / 255.0f;
new_color.r = amnt_f * (to_color.r - (*this).r) + (*this).r;
new_color.g = amnt_f * (to_color.g - (*this).g) + (*this).g;
new_color.b = amnt_f * (to_color.b - (*this).b) + (*this).b;
new_color.w = amnt_f * (to_color.w - (*this).w) + (*this).w;
return new_color;
}
Color fade_to_white(uint8_t amnt) { return (*this).gradient(Color::WHITE, amnt); }
Color fade_to_black(uint8_t amnt) { return (*this).gradient(Color::BLACK, amnt); }
Color lighten(uint8_t delta) { return *this + delta; }
Color darken(uint8_t delta) { return *this - delta; }