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feat: Implement super-sampling for text rendering and adjust _RENDER_H from 16 to 8.

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Gene Johnson
2026-03-14 19:21:24 -07:00
parent c857d7bd81
commit 7274f57bbb
1 changed files with 7 additions and 3 deletions
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mainline.py
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@@ -147,7 +147,8 @@ KATA = "ﾊﾐﾋｰｳｼﾅﾓﾆｻﾜﾂｵﾘｱﾎﾃﾏｹﾒｴｶｷﾑ
_FONT_PATH = "/Users/genejohnson/Documents/CS Bishop Drawn/CSBishopDrawn-Italic.otf" _FONT_PATH = "/Users/genejohnson/Documents/CS Bishop Drawn/CSBishopDrawn-Italic.otf"
_FONT_OBJ = None _FONT_OBJ = None
_FONT_SZ = 60 _FONT_SZ = 60
_RENDER_H = 16 # terminal rows per rendered text line _RENDER_H = 8 # terminal rows per rendered text line
_SSAA = 4 # super-sampling factor: render at _SSAA× then downsample
# Non-Latin scripts → macOS system fonts # Non-Latin scripts → macOS system fonts
_SCRIPT_FONTS = { _SCRIPT_FONTS = {
@@ -579,8 +580,11 @@ def _render_line(text, font=None):
draw = ImageDraw.Draw(img) draw = ImageDraw.Draw(img)
draw.text((-bbox[0] + pad, -bbox[1] + pad), text, fill=255, font=font) draw.text((-bbox[0] + pad, -bbox[1] + pad), text, fill=255, font=font)
pix_h = _RENDER_H * 2 pix_h = _RENDER_H * 2
scale = pix_h / max(img_h, 1) hi_h = pix_h * _SSAA
new_w = max(1, int(img_w * scale)) scale = hi_h / max(img_h, 1)
new_w_hi = max(1, int(img_w * scale))
img = img.resize((new_w_hi, hi_h), Image.Resampling.LANCZOS)
new_w = max(1, int(new_w_hi / _SSAA))
img = img.resize((new_w, pix_h), Image.Resampling.LANCZOS) img = img.resize((new_w, pix_h), Image.Resampling.LANCZOS)
data = img.tobytes() data = img.tobytes()
thr = 80 thr = 80