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zephr: consume hover event on top-most ui elements

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Illusion
2024-01-20 06:39:49 +02:00
parent 156021347f
commit 3ece69dfc6
7 changed files with 1230 additions and 1181 deletions
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zephr/zephr_math.odin
+19 -19
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@@ -12,16 +12,16 @@ Mat4 :: matrix[4, 4]f32
Color :: struct { r, g, b, a: u8 }
orthographic_projection_2d :: proc(left, right, bottom, top: f32) -> Mat4 {
result := identity();
result := identity()
result[0][0] = 2 / (right - left);
result[3][0] = -(right + left) / (right - left);
result[1][1] = 2 / (top - bottom);
result[3][1] = -(top + bottom) / (top - bottom);
result[2][2] = -1;
result[3][3] = 1;
result[0][0] = 2 / (right - left)
result[3][0] = -(right + left) / (right - left)
result[1][1] = 2 / (top - bottom)
result[3][1] = -(top + bottom) / (top - bottom)
result[2][2] = -1
result[3][3] = 1
return result;
return result
}
identity :: proc() -> Mat4 {
@@ -83,9 +83,9 @@ mult_color :: proc(color: Color, scalar: f32) -> Color {
}
hsv2rgb :: proc(h: f32, s: f32, v: f32) -> Color {
c := v * s;
x := (c * (1 - abs(math.mod(h / 60.0, 2) - 1)));
m := v - c;
c := v * s
x := (c * (1 - abs(math.mod(h / 60.0, 2) - 1)))
m := v - c
r, g, b: f32
@@ -112,30 +112,30 @@ hsv2rgb :: proc(h: f32, s: f32, v: f32) -> Color {
} else {
r = c
g = 0
b = x;
b = x
}
return (Color){(u8)((r + m) * 255), (u8)((g + m) * 255), (u8)((b + m) * 255), 255};
return (Color){(u8)((r + m) * 255), (u8)((g + m) * 255), (u8)((b + m) * 255), 255}
}
determine_color_contrast :: proc(bg: Color) -> Color {
white_contrast := get_contrast(bg, COLOR_WHITE);
black_contrast := get_contrast(bg, COLOR_BLACK);
white_contrast := get_contrast(bg, COLOR_WHITE)
black_contrast := get_contrast(bg, COLOR_BLACK)
return white_contrast > black_contrast ? COLOR_WHITE : COLOR_BLACK;
return white_contrast > black_contrast ? COLOR_WHITE : COLOR_BLACK
}
@private
get_srgb :: proc(component: f32) -> f32 {
return (component / 255 <= 0.03928
? component / 255 / 12.92
: math.pow((component / 255 + 0.055) / 1.055, 2.4));
: math.pow((component / 255 + 0.055) / 1.055, 2.4))
}
get_luminance :: proc(color: Color) -> f32 {
return ((0.2126 * get_srgb(cast(f32)color.r)) +
(0.7152 * get_srgb(cast(f32)color.g)) +
(0.0722 * get_srgb(cast(f32)color.b))) / 255;
(0.0722 * get_srgb(cast(f32)color.b))) / 255
}
@private
@@ -143,5 +143,5 @@ get_contrast :: proc(fg: Color, bg: Color) -> f32 {
l1 := get_luminance(fg)
l2 := get_luminance(bg)
return (max(l1, l2) + 0.05) / (min(l1, l2) + 0.05);
return (max(l1, l2) + 0.05) / (min(l1, l2) + 0.05)
}