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font: set pixman filter when re-scaling glyph

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Daniel Eklöf 2019-11-27 21:33:08 +01:00
parent 5b6c941b0a
commit c5602fde96
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GPG key ID: 5BBD4992C116573F
1 changed files with 5 additions and 14 deletions
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19
font.c
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@ -639,27 +639,18 @@ glyph_for_wchar(const struct font *font, wchar_t wc, struct glyph *glyph)
bitmap->pixel_mode == FT_PIXEL_MODE_LCD || bitmap->pixel_mode == FT_PIXEL_MODE_LCD ||
bitmap->pixel_mode == FT_PIXEL_MODE_LCD_V); bitmap->pixel_mode == FT_PIXEL_MODE_LCD_V);
struct pixman_transform trans;
pixman_transform_init_identity(&trans);
if (font->pixel_size_fixup != 1.) { if (font->pixel_size_fixup != 1.) {
struct pixman_transform scale;
pixman_transform_init_identity(&scale);
pixman_transform_scale( pixman_transform_scale(
&trans, NULL, &scale, NULL,
pixman_double_to_fixed(1.0 / font->pixel_size_fixup), pixman_double_to_fixed(1.0 / font->pixel_size_fixup),
pixman_double_to_fixed(1.0 / font->pixel_size_fixup)); pixman_double_to_fixed(1.0 / font->pixel_size_fixup));
pixman_image_set_transform(pix, &scale);
pixman_image_set_filter(pix, PIXMAN_FILTER_BEST, NULL, 0);
} }
/* Figure out if we can use a translate transform instead of setting x/y in glyph */
#if 0
LOG_DBG("**** %f", font->face->glyph->bitmap_top * fixup - baseline);
pixman_transform_translate(
&trans, NULL,
pixman_double_to_fixed(font->face->glyph->bitmap_left),
pixman_double_to_fixed(-(baseline / fixup - font->face->glyph->bitmap_top)));
#endif
pixman_image_set_transform(pix, &trans);
*glyph = (struct glyph){ *glyph = (struct glyph){
.wc = wc, .wc = wc,