AtlasEngine: Improve appearance of curly underlines #17501
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All of these are with the Hack font: Before, 10pt, 100% scale, 800% zoom: After, 10pt, 100% scale, 800% zoom: Before, 10pt, 150% scale, 800% zoom: After, 10pt, 150% scale, 800% zoom: Before, 12pt, 300% scale, 400% zoom: After, 12pt, 300% scale, 400% zoom: Regarding the last image: The line is actually supposed to be 1px wide (according to the font's underline width). This probably best demonstrates how the previous pixel shader drew the line too "fat". |
zadjii-msft
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Jul 2, 2024
DHowett
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| color = all(cell < backgroundCellCount) ? background[cell] : backgroundColor; | ||
| weights = float4(1, 1, 1, 1); | ||
| break; | ||
| } | ||
| case SHADING_TYPE_TEXT_GRAYSCALE: | ||
| { | ||
| // These are independent of the glyph texture and could be moved to the vertex shader or CPU side of things. | ||
| const float4 foreground = premultiplyColor(data.color); |
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??? did we learn something new about const here?
DHowett
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We'd previously subtract one underline-height from the curly line offset, even though we already had subtracted its complete height. Additionally, the pixel shader received some fine tuning: * Shrink the stroke width so that the anti-aliasing can be seen all the way up to the horizontal edges of the bounding box. * Add a phase shift to break apart the symmetry of the curve. Closes #17482 Co-authored-by: Carlos Zamora <[email protected]> (cherry picked from commit ad3797a) Service-Card-Id: 92942049 Service-Version: 1.21
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We'd previously subtract one underline-height from the curly line
offset, even though we already had subtracted its complete height.
Additionally, the pixel shader received some fine tuning:
all the way up to the horizontal edges of the bounding box.
Closes #17482
Co-authored-by: Carlos Zamora [email protected]