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added snap_glyph_width

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Edward R. Gonzalez
2025-02-13 19:39:44 -05:00
parent de8841a0cb
commit 0d0344e423
3 changed files with 19 additions and 9 deletions
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22
vefontcache/vefontcache.odin
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@@ -24,6 +24,9 @@ Entry :: struct {
used : b32,
curve_quality : f32,
// TODO(Ed): Move over settings related to (snapping) hinting, oversample, px_scalar, etc;
// to here as there is no need to restrict the user to have one option for all fonts.
ascent : f32,
descent : f32,
line_gap : f32,
@@ -113,7 +116,10 @@ Init_Atlas_Params_Default :: Init_Atlas_Params {
}
Init_Glyph_Draw_Params :: struct {
// During the draw list generation stage when blitting to atlas, the quad wil be ceil()'d to the closest pixel.
// During the draw list generation stage when blitting to atlas, the quad's width will be ceil()'d to the closest pixel.
// Generally its not recommend todo this and is disabled on most renderers, but on rare occasion some fonts benefit from this.
snap_glyph_width : b32,
// During the draw list generation stage when blitting to atlas, the quad's height be ceil()'d to the closest pixel.
snap_glyph_height : b32,
// Intended to be x16 (4x4) super-sampling from the glyph buffer to the atlas.
// Oversized glyphs don't use this and instead do 2x or 1x depending on how massive they are.
@@ -128,12 +134,13 @@ Init_Glyph_Draw_Params :: struct {
}
Init_Glyph_Draw_Params_Default :: Init_Glyph_Draw_Params {
snap_glyph_height = true,
over_sample = 4,
draw_padding = Init_Atlas_Params_Default.glyph_padding,
shape_gen_scratch_reserve = 512,
buffer_glyph_limit = 16,
batch_glyph_limit = 256,
snap_glyph_width = false,
snap_glyph_height = true,
over_sample = 4,
draw_padding = Init_Atlas_Params_Default.glyph_padding,
shape_gen_scratch_reserve = 512,
buffer_glyph_limit = 16,
batch_glyph_limit = 256,
}
Init_Shaper_Params :: struct {
@@ -293,6 +300,7 @@ startup :: proc( ctx : ^Context, parser_kind : Parser_Kind = .STB_TrueType, // N
Glyph_Buffer_Setup:
{
glyph_buffer := & ctx.glyph_buffer
glyph_buffer.snap_glyph_width = cast(f32) i32(glyph_draw_params.snap_glyph_width)
glyph_buffer.snap_glyph_height = cast(f32) i32(glyph_draw_params.snap_glyph_height)
glyph_buffer.over_sample = { f32(glyph_draw_params.over_sample), f32(glyph_draw_params.over_sample) }
glyph_buffer.size.x = atlas.region_d.slot_size.x * i32(glyph_buffer.over_sample.x) * i32(glyph_draw_params.buffer_glyph_limit)