mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 14:05:15 +00:00
887b4a7a1a
Let GButton have an optional icon (GraphicsBitmap) that gets rendered in the middle of the button if present. Also add GraphicsBitmap::load_from_file() which allows mmap'ed RGBA32 files. I wrote a little program to take "raw" files from GIMP and swizzle them into the correct byte order.
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
#pragma once
|
|
|
|
#include <AK/Types.h>
|
|
|
|
typedef dword RGBA32;
|
|
|
|
inline constexpr dword make_rgb(byte r, byte g, byte b)
|
|
{
|
|
return ((r << 16) | (g << 8) | b);
|
|
}
|
|
|
|
class Color {
|
|
public:
|
|
enum NamedColor {
|
|
Black,
|
|
White,
|
|
Red,
|
|
Green,
|
|
Blue,
|
|
Yellow,
|
|
Magenta,
|
|
DarkGray,
|
|
MidGray,
|
|
LightGray,
|
|
};
|
|
|
|
Color() { }
|
|
Color(NamedColor);
|
|
Color(byte r, byte g, byte b) : m_value((r << 16) | (g << 8) | b) { }
|
|
Color(RGBA32 rgba) : m_value(rgba) { }
|
|
|
|
byte red() const { return (m_value >> 16) & 0xff; }
|
|
byte green() const { return (m_value >> 8) & 0xff; }
|
|
byte blue() const { return m_value & 0xff; }
|
|
byte alpha() const { return (m_value >> 24) & 0xff; }
|
|
|
|
Color blend(Color source) const
|
|
{
|
|
RGBA32 redblue1 = ((0x100u - source.alpha()) * (m_value & 0xff00ff)) >> 8;
|
|
RGBA32 redblue2 = (source.alpha() * (source.m_value & 0xff00ff)) >> 8;
|
|
RGBA32 green1 = ((0x100u - source.alpha()) * (m_value & 0x00ff00)) >> 8;
|
|
RGBA32 green2 = (source.alpha() * (source.m_value & 0x00ff00)) >> 8;
|
|
return Color(((redblue1 | redblue2) & 0xff00ff) + ((green1 | green2) & 0x00ff00));
|
|
}
|
|
|
|
|
|
RGBA32 value() const { return m_value; }
|
|
|
|
private:
|
|
RGBA32 m_value { 0 };
|
|
};
|