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Merge pull request #43171 from Calinou/dynamicfont-fix-scaling-filter-artifacts

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Fix artifacts in DynamicFont when scaling with filtering enabled
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Rémi Verschelde 2020-10-29 09:11:23 +01:00 committed by GitHub
parent 0b6d75ce52 575dbd4bb2
commit 61c8efecff
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 2 deletions
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17
scene/resources/dynamic_font.cpp
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@ -471,8 +471,21 @@ DynamicFontAtSize::TexturePosition DynamicFontAtSize::_find_texture_pos_for_glyp
//zero texture
PoolVector<uint8_t>::Write w = tex.imgdata.write();
ERR_FAIL_COND_V(texsize * texsize * p_color_size > tex.imgdata.size(), ret);
for (int i = 0; i < texsize * texsize * p_color_size; i++) {
w[i] = 0;
// Initialize the texture to all-white pixels to prevent artifacts when the
// font is displayed at a non-default scale with filtering enabled.
if (p_color_size == 2) {
for (int i = 0; i < texsize * texsize * p_color_size; i += 2) {
w[i + 0] = 255;
w[i + 1] = 0;
}
} else {
for (int i = 0; i < texsize * texsize * p_color_size; i += 4) {
w[i + 0] = 255;
w[i + 1] = 255;
w[i + 2] = 255;
w[i + 3] = 0;
}
}
}
tex.offsets.resize(texsize);