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55f3575a10
A few fixes and enhancement related to bold text: - When using bold=true with a regular font, use its bold variant if one exists (can be prevented by manually adding a setting: "use_bold_font_for_bold" = false). - When using a bold font without bold=true, promote bold to true, so fallback fonts are drawn bold too. - Whether using a bold font, or using bold=true, ensure fallback fonts are drawn bold, with their available bold variant if one exists, or with synthetized bold. - When using a bold variant of a fallback font, keep using the regular variant as another fallback (as bold fonts may contain less glyphs than their regular counterpart). - Allow providing bold=Font.FORCE_SYNTHETIZED_BOLD to get synth bold even when a bold font exists (might be interesting to get text in bold the same width as the same text non-bold). - Use the font realname in the key when caching glyphs, instead of our aliases (cfont, infont...) to avoid duplication and wasting memory.