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#!/usr/bin/env python3
from gi.repository import Gtk, Gdk, Pango, PangoCairo
import cairo
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 1024, 1369)
context = cairo.Context(surface)
pc = PangoCairo.create_context(context)
layout = PangoCairo.create_layout(context)
layout.set_font_description(Pango.FontDescription('NotoSans Emoji Normal 12'))
layout.set_width(1024*Pango.SCALE)
layout.set_wrap(Pango.WrapMode.CHAR)
emoji_start = 0x1F000
emoji_end = 0x1FB6F
emoji_characters = []
i = emoji_start
while i <= emoji_end:
emoji_characters.append(chr(i))
i += 1
layout.set_text("".join(emoji_characters), -1)
PangoCairo.show_layout(context, layout)
surface.write_to_png('images/emoji.png')
with open("generated/Emoji.hpp", "w") as header_file:
header_file.write("""#pragma once
#include <stdint.h>
// This file was automatically generated with generate-emoji-sprite.py, do not edit manually!
namespace QuickMedia {
struct EmojiRectangle {
int x, y;
int width, height;
};
bool codepoint_is_emoji(uint32_t codepoint);
EmojiRectangle emoji_get_extents(uint32_t codepoint);
}""")
with open("generated/Emoji.cpp", "w") as source_file:
source_file.write("""#include "Emoji.hpp"
// This file was automatically generated with generate-emoji-sprite.py, do not edit manually!
namespace QuickMedia {
static EmojiRectangle emoji_extents[%s] = {
""" % len(emoji_characters))
i = 0
index = 0
for e in emoji_characters:
emoji_pos = layout.index_to_pos(index)
source_file.write(" {%s, %s, %s, %s}%s\n" % (int(emoji_pos.x/Pango.SCALE), int(emoji_pos.y/Pango.SCALE), int(emoji_pos.width/Pango.SCALE), int(emoji_pos.height/Pango.SCALE), "," if i < len(emoji_characters) - 1 else ""))
i += 1
index += 4
source_file.write(
""" };
bool codepoint_is_emoji(uint32_t codepoint) {
return codepoint >= 0x1F000 && codepoint <= 0x1FB6F;
}
EmojiRectangle emoji_get_extents(uint32_t codepoint) {
if(codepoint < 0x1F000 || codepoint - 0x1F000 >= %s)
return { 0, 0, 0, 0 };
return emoji_extents[codepoint - 0x1F000];
}
}
""" % len(emoji_characters))
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