diff options
Diffstat (limited to 'libskrift_get_grapheme_glyph.c')
| -rw-r--r-- | libskrift_get_grapheme_glyph.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/libskrift_get_grapheme_glyph.c b/libskrift_get_grapheme_glyph.c index 515e81d..e0b699d 100644 --- a/libskrift_get_grapheme_glyph.c +++ b/libskrift_get_grapheme_glyph.c @@ -1,9 +1,9 @@ /* See LICENSE file for copyright and license details. */ #include "common.h" -int -libskrift_get_grapheme_glyph(LIBSKRIFT_CONTEXT *ctx, libskrift_codepoint_t codepoint, - double cursor_x, double cursor_y, struct libskrift_glyph **glyphp) +static int +get_grapheme_glyph_with_font(LIBSKRIFT_CONTEXT *ctx, libskrift_codepoint_t codepoint, double cursor_x, + double cursor_y, struct libskrift_glyph **glyphp, LIBSKRIFT_FONT *font) { struct SFT_Char sft_chr; struct SFT sft_ctx; @@ -15,12 +15,14 @@ libskrift_get_grapheme_glyph(LIBSKRIFT_CONTEXT *ctx, libskrift_codepoint_t codep memset(&sft_chr, 0, sizeof(sft_chr)); sft_ctx = ctx->schrift_ctx; + sft_ctx.font = font->font; sft_ctx.x = cursor_x * (ctx->subpixel_horizontally ? 3 : 1); sft_ctx.y = cursor_y * (ctx->subpixel_vertically ? 3 : 1); sft_ctx.flags = SFT_DOWNWARD_Y | SFT_CHAR_IMAGE; + errno = 0; if (sft_char(&sft_ctx, codepoint, &sft_chr)) - return -1; + return errno ? -1 : 1; if (ctx->subpixel_horizontally) { hmul = 3; @@ -99,3 +101,20 @@ libskrift_get_grapheme_glyph(LIBSKRIFT_CONTEXT *ctx, libskrift_codepoint_t codep free(sft_chr.image); return 0; } + +int +libskrift_get_grapheme_glyph(LIBSKRIFT_CONTEXT *ctx, libskrift_codepoint_t codepoint, + double cursor_x, double cursor_y, struct libskrift_glyph **glyphp) +{ + size_t i; + int r; + + for (i = 0; i < ctx->nfonts; i++) { + r = get_grapheme_glyph_with_font(ctx, codepoint, cursor_x, cursor_y, glyphp, ctx->fonts[i]); + if (r <= 0) + return r; + } + + /* TODO add callback for drawing fallback glyph, draw square by default. */ + return -1; +} |