Nikolay Sivov : dwrite: Extract and resolve font weight from name string.
Module: wine Branch: master Commit: 6b98b9ac700c133e7783e81257aa23a133c7d527 URL: http://source.winehq.org/git/wine.git/?a=commit;h=6b98b9ac700c133e7783e81257... Author: Nikolay Sivov <nsivov(a)codeweavers.com> Date: Tue Aug 18 23:49:24 2015 +0300 dwrite: Extract and resolve font weight from name string. --- dlls/dwrite/font.c | 165 ++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 156 insertions(+), 9 deletions(-) diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c index ec230c8..7e88a2f 100644 --- a/dlls/dwrite/font.c +++ b/dlls/dwrite/font.c @@ -42,6 +42,12 @@ static const FLOAT RECOMMENDED_OUTLINE_AA_THRESHOLD = 100.0f; static const FLOAT RECOMMENDED_OUTLINE_A_THRESHOLD = 350.0f; static const FLOAT RECOMMENDED_NATURAL_PPEM = 20.0f; +/* common modifiers used in names */ +static const WCHAR extraW[] = {'e','x','t','r','a',0}; +static const WCHAR ultraW[] = {'u','l','t','r','a',0}; +static const WCHAR semiW[] = {'s','e','m','i',0}; +static const WCHAR extW[] = {'e','x','t',0}; + struct dwrite_font_propvec { FLOAT stretch; FLOAT style; @@ -2113,12 +2119,7 @@ static DWRITE_FONT_STRETCH font_extract_stretch(struct list *tokens, DWRITE_FONT static const WCHAR compactW[] = {'c','o','m','p','a','c','t',0}; static const WCHAR narrowW[] = {'n','a','r','r','o','w',0}; static const WCHAR wideW[] = {'w','i','d','e',0}; - /* modifiers */ - static const WCHAR extraW[] = {'e','x','t','r','a',0}; - static const WCHAR ultraW[] = {'u','l','t','r','a',0}; static const WCHAR condW[] = {'c','o','n','d',0}; - static const WCHAR extW[] = {'e','x','t',0}; - static const WCHAR semiW[] = {'s','e','m','i',0}; static const struct name_pattern ultracondensed_patterns[] = { { extraW, compressedW }, @@ -2206,6 +2207,135 @@ static DWRITE_FONT_STRETCH font_extract_stretch(struct list *tokens, DWRITE_FONT return stretch; } +static DWRITE_FONT_WEIGHT font_extract_weight(struct list *tokens, DWRITE_FONT_WEIGHT weight) +{ + static const WCHAR mediumW[] = {'m','e','d','i','u','m',0}; + static const WCHAR blackW[] = {'b','l','a','c','k',0}; + static const WCHAR heavyW[] = {'h','e','a','v','y',0}; + static const WCHAR lightW[] = {'l','i','g','h','t',0}; + static const WCHAR boldW[] = {'b','o','l','d',0}; + static const WCHAR demiW[] = {'d','e','m','i',0}; + static const WCHAR thinW[] = {'t','h','i','n',0}; + static const WCHAR nordW[] = {'n','o','r','d',0}; + + static const struct name_pattern thin_patterns[] = { + { extraW, thinW }, + { extW, thinW }, + { ultraW, thinW }, + { NULL } + }; + + static const struct name_pattern extralight_patterns[] = { + { extraW, lightW }, + { extW, lightW }, + { ultraW, lightW }, + { NULL } + }; + + static const struct name_pattern demibold_patterns[] = { + { semiW, boldW }, + { demiW, boldW }, + { NULL } + }; + + static const struct name_pattern extrabold_patterns[] = { + { extraW, boldW }, + { extW, boldW }, + { ultraW, boldW }, + { NULL } + }; + + static const struct name_pattern extrablack_patterns[] = { + { extraW, blackW }, + { extW, blackW }, + { ultraW, blackW }, + { NULL } + }; + + static const struct name_pattern bold_patterns[] = { + { boldW }, + { NULL } + }; + + static const struct name_pattern thin2_patterns[] = { + { thinW }, + { NULL } + }; + + static const struct name_pattern light_patterns[] = { + { lightW }, + { NULL } + }; + + static const struct name_pattern medium_patterns[] = { + { mediumW }, + { NULL } + }; + + static const struct name_pattern black_patterns[] = { + { blackW }, + { heavyW }, + { nordW }, + { NULL } + }; + + static const struct name_pattern demibold2_patterns[] = { + { demiW }, + { NULL } + }; + + static const struct name_pattern extrabold2_patterns[] = { + { ultraW }, + { NULL } + }; + + /* FIXME: allow optional 'face' suffix, separated or not. It's removed together with + matching pattern. */ + + if (match_pattern_list(tokens, thin_patterns)) + return DWRITE_FONT_WEIGHT_THIN; + + if (match_pattern_list(tokens, extralight_patterns)) + return DWRITE_FONT_WEIGHT_EXTRA_LIGHT; + + if (match_pattern_list(tokens, demibold_patterns)) + return DWRITE_FONT_WEIGHT_DEMI_BOLD; + + if (match_pattern_list(tokens, extrabold_patterns)) + return DWRITE_FONT_WEIGHT_EXTRA_BOLD; + + if (match_pattern_list(tokens, extrablack_patterns)) + return DWRITE_FONT_WEIGHT_EXTRA_BLACK; + + if (match_pattern_list(tokens, bold_patterns)) + return DWRITE_FONT_WEIGHT_BOLD; + + if (match_pattern_list(tokens, thin2_patterns)) + return DWRITE_FONT_WEIGHT_THIN; + + if (match_pattern_list(tokens, light_patterns)) + return DWRITE_FONT_WEIGHT_LIGHT; + + if (match_pattern_list(tokens, medium_patterns)) + return DWRITE_FONT_WEIGHT_MEDIUM; + + if (match_pattern_list(tokens, black_patterns)) + return DWRITE_FONT_WEIGHT_BLACK; + + if (match_pattern_list(tokens, black_patterns)) + return DWRITE_FONT_WEIGHT_BLACK; + + if (match_pattern_list(tokens, demibold2_patterns)) + return DWRITE_FONT_WEIGHT_DEMI_BOLD; + + if (match_pattern_list(tokens, extrabold2_patterns)) + return DWRITE_FONT_WEIGHT_EXTRA_BOLD; + + /* FIXME: use abbreviated names to extract weight */ + + return weight; +} + static void font_apply_differentiation_rules(struct dwrite_font_data *font, WCHAR *familyW, WCHAR *faceW) { static const WCHAR bookW[] = {'B','o','o','k',0}; @@ -2223,10 +2353,11 @@ static void font_apply_differentiation_rules(struct dwrite_font_data *font, WCHA NULL }; - DWRITE_FONT_STRETCH stretch = font->stretch; static const WCHAR spaceW[] = {' ',0}; WCHAR familynameW[255], facenameW[255]; struct name_token *token, *token2; + DWRITE_FONT_STRETCH stretch; + DWRITE_FONT_WEIGHT weight; BOOL found = FALSE; struct list tokens; const WCHAR *ptr; @@ -2290,9 +2421,23 @@ static void font_apply_differentiation_rules(struct dwrite_font_data *font, WCHA /* extract stretch */ stretch = font_extract_stretch(&tokens, font->stretch); - /* TODO: extract weight */ - - /* TODO: resolve weight */ + /* extract weight */ + weight = font_extract_weight(&tokens, font->weight); + + /* resolve weight */ + if (weight != font->weight) { + if (!(weight < DWRITE_FONT_WEIGHT_NORMAL && font->weight < DWRITE_FONT_WEIGHT_NORMAL) && + !(weight > DWRITE_FONT_WEIGHT_MEDIUM && font->weight > DWRITE_FONT_WEIGHT_MEDIUM) && + !((weight == DWRITE_FONT_WEIGHT_NORMAL && font->weight == DWRITE_FONT_WEIGHT_MEDIUM) || + (weight == DWRITE_FONT_WEIGHT_MEDIUM && font->weight == DWRITE_FONT_WEIGHT_NORMAL)) && + !(abs(weight - font->weight) <= 150 && + font->weight != DWRITE_FONT_WEIGHT_NORMAL && + font->weight != DWRITE_FONT_WEIGHT_MEDIUM && + font->weight != DWRITE_FONT_WEIGHT_BOLD)) { + + font->weight = weight; + } + } /* Resolve stretch - extracted stretch can't be normal, it will override specified stretch if it's leaning in opposite direction from normal comparing to specified stretch or if specified @@ -2306,6 +2451,8 @@ static void font_apply_differentiation_rules(struct dwrite_font_data *font, WCHA } } + /* FIXME: cleanup face name from possible 2-3 digit prefixes, compose final family/face names */ + /* release tokens */ LIST_FOR_EACH_ENTRY_SAFE(token, token2, &tokens, struct name_token, entry) { list_remove(&token->entry);
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Alexandre Julliard