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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.
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
#pragma once
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#include <AK/Types.h>
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typedef dword RGBA32;
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inline constexpr dword make_rgb(byte r, byte g, byte b)
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{
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return ((r << 16) | (g << 8) | b);
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}
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class Color {
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public:
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enum NamedColor {
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Black,
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White,
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Red,
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Green,
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Blue,
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Yellow,
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Magenta,
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DarkGray,
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MidGray,
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LightGray,
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};
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Color() { }
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Color(NamedColor);
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Color(byte r, byte g, byte b) : m_value((r << 16) | (g << 8) | b) { }
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Color(RGBA32 rgba) : m_value(rgba) { }
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byte red() const { return (m_value >> 16) & 0xff; }
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byte green() const { return (m_value >> 8) & 0xff; }
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byte blue() const { return m_value & 0xff; }
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byte alpha() const { return (m_value >> 24) & 0xff; }
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Color blend(Color source) const
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{
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RGBA32 redblue1 = ((0x100u - source.alpha()) * (m_value & 0xff00ff)) >> 8;
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RGBA32 redblue2 = (source.alpha() * (source.m_value & 0xff00ff)) >> 8;
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RGBA32 green1 = ((0x100u - source.alpha()) * (m_value & 0x00ff00)) >> 8;
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RGBA32 green2 = (source.alpha() * (source.m_value & 0x00ff00)) >> 8;
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return Color(((redblue1 | redblue2) & 0xff00ff) + ((green1 | green2) & 0x00ff00));
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}
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RGBA32 value() const { return m_value; }
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private:
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RGBA32 m_value { 0 };
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};
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