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Fix 'outline' convolution matrices for rendered text

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This issue was originally reported here:
https://twitter.com/vine2D/status/748579114265653248/
This commit is contained in:
David Capello 2016-07-01 19:07:01 -03:00
parent d566604205
commit 71321dfc82
1 changed files with 11 additions and 5 deletions
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16
src/app/util/freetype_utils.cpp
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@ -70,14 +70,20 @@ doc::Image* render_text(const std::string& fontfile, int fontsize,
} }
} }
doc::put_pixel( int output_alpha = MUL_UN8(doc::rgba_geta(color), alpha, t);
image, ximg, yimg, if (output_alpha) {
doc::rgba_blender_normal( doc::color_t output_color =
doc::get_pixel(image, ximg, yimg),
doc::rgba(doc::rgba_getr(color), doc::rgba(doc::rgba_getr(color),
doc::rgba_getg(color), doc::rgba_getg(color),
doc::rgba_getb(color), doc::rgba_getb(color),
MUL_UN8(doc::rgba_geta(color), alpha, t)))); output_alpha);
doc::put_pixel(
image, ximg, yimg,
doc::rgba_blender_normal(
doc::get_pixel(image, ximg, yimg),
output_color));
}
} }
} }
}); });