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Added support for FT_PIXEL_MODE_MONO in FreeType

This commit is contained in:
Zher Huei Lee 2017-09-18 01:43:31 +08:00
parent 3d06957f12
commit 2ca82225b7
1 changed files with 17 additions and 2 deletions
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17
scene/resources/dynamic_font.cpp
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@ -560,8 +560,23 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
int ofs = ((i + tex_y + rect_margin) * tex.texture_size + j + tex_x + rect_margin) * 2;
ERR_FAIL_COND(ofs >= tex.imgdata.size());
switch (slot->bitmap.pixel_mode) {
case FT_PIXEL_MODE_MONO: {
int byte = i * slot->bitmap.pitch + (j >> 3);
int bit = 1 << (7 - (j % 8));
wr[ofs + 0] = 255; //grayscale as 1
wr[ofs + 1] = slot->bitmap.buffer[i * slot->bitmap.width + j];
wr[ofs + 1] = slot->bitmap.buffer[byte] & bit ? 255 : 0;
} break;
case FT_PIXEL_MODE_GRAY:
wr[ofs + 0] = 255; //grayscale as 1
wr[ofs + 1] = slot->bitmap.buffer[i * slot->bitmap.pitch + j];
break;
// TODO: FT_PIXEL_MODE_LCD, FT_PIXEL_MODE_BGRA
default:
ERR_EXPLAIN("Font uses unsupported pixel format: " + itos(slot->bitmap.pixel_mode));
ERR_FAIL();
break;
}
}
}
}