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Decrease fonts memory use (#10618)

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Instead of opening the same font multiple times for each different
size (multiple face instances), share one face instance and create
multiple size instances.
This commit is contained in:
Benoit Pierre
2023-07-04 07:13:16 +00:00
committed by GitHub
parent fc89b1affa
commit 346d8eb83e
7 changed files with 29 additions and 29 deletions
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4
frontend/ui/widget/textboxwidget.lua
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@@ -125,7 +125,7 @@ function TextBoxWidget:init()
self.line_height_px = Math.round( (1 + self.line_height) * self.face.size )
-- Get accurate initial baseline and possible height overflow (so our bb
-- is tall enough to draw glyphs with descender larger than line height)
local face_height, face_ascender = self.face.ftface:getHeightAndAscender()
local face_height, face_ascender = self.face.ftsize:getHeightAndAscender()
local line_heights_diff = math.floor(self.line_height_px - face_height)
if line_heights_diff >= 0 then
-- Glyphs will fit in our line_height_px: adjust baseline.
@@ -1113,7 +1113,7 @@ function TextBoxWidget:getFontSizeToFitHeight(height_px, nb_lines, line_height_e
local line_height_px = Math.round( (1 + line_height_em) * Screen:scaleBySize(font_size) )
local face = Font:getFace(font_face, font_size)
face = Font:getAdjustedFace(face, font_bold)
local face_height = face.ftface:getHeightAndAscender()
local face_height = face.ftsize:getHeightAndAscender()
local line_heights_diff = math.floor(line_height_px - face_height)
if line_heights_diff >= 0 then
break