Add JAX typography, xector primitives, deferred effect chains, and GPU streaming
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- Add JAX text rendering with font atlas, styled text placement, and typography primitives - Add xector (element-wise/reduction) operations library and sexp effects - Add deferred effect chain fusion for JIT-compiled effect pipelines - Expand drawing primitives with font management, alignment, shadow, and outline - Add interpreter support for function-style define and require - Add GPU persistence mode and hardware decode support to streaming - Add new sexp effects: cell_pattern, halftone, mosaic, and derived definitions - Add path registry for asset resolution - Add integration, primitives, and xector tests Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
gilesb
542
test_funky_text.py
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542
test_funky_text.py
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#!/usr/bin/env python3
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"""
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Funky comparison tests: PIL vs TextStrip system.
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Tests colors, opacity, fonts, sizes, edge positions, clipping, overlaps, etc.
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"""
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import numpy as np
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import jax.numpy as jnp
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from PIL import Image, ImageDraw, ImageFont
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from streaming.jax_typography import (
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render_text_strip, place_text_strip_jax, _load_font
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)
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FONTS = {
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'sans': '/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf',
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'bold': '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf',
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'serif': '/usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf',
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'serif_bold': '/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf',
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'mono': '/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf',
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'mono_bold': '/usr/share/fonts/truetype/dejavu/DejaVuSansMono-Bold.ttf',
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'narrow': '/usr/share/fonts/truetype/liberation/LiberationSansNarrow-Regular.ttf',
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'italic': '/usr/share/fonts/truetype/freefont/FreeSansOblique.ttf',
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}
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def render_pil(text, x, y, font_path=None, font_size=36, frame_size=(400, 100),
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fill=(255, 255, 255), bg=(0, 0, 0), opacity=1.0,
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stroke_width=0, stroke_fill=None, anchor="la",
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multiline=False, line_spacing=4, align="left"):
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"""Render with PIL directly, including color/opacity."""
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frame = np.full((frame_size[1], frame_size[0], 3), bg, dtype=np.uint8)
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# For opacity, render to RGBA then composite
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txt_layer = Image.new('RGBA', frame_size, (0, 0, 0, 0))
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draw = ImageDraw.Draw(txt_layer)
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font = _load_font(font_path, font_size)
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if stroke_fill is None:
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stroke_fill = (0, 0, 0)
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# PIL fill with alpha for opacity
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alpha_int = int(round(opacity * 255))
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fill_rgba = (*fill, alpha_int)
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stroke_rgba = (*stroke_fill, alpha_int) if stroke_width > 0 else None
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if multiline:
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draw.multiline_text((x, y), text, fill=fill_rgba, font=font,
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stroke_width=stroke_width, stroke_fill=stroke_rgba,
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spacing=line_spacing, align=align, anchor=anchor)
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else:
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draw.text((x, y), text, fill=fill_rgba, font=font,
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stroke_width=stroke_width, stroke_fill=stroke_rgba, anchor=anchor)
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# Composite onto background
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bg_img = Image.fromarray(frame).convert('RGBA')
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result = Image.alpha_composite(bg_img, txt_layer)
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return np.array(result.convert('RGB'))
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def render_strip(text, x, y, font_path=None, font_size=36, frame_size=(400, 100),
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fill=(255, 255, 255), bg=(0, 0, 0), opacity=1.0,
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stroke_width=0, stroke_fill=None, anchor="la",
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multiline=False, line_spacing=4, align="left"):
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"""Render with TextStrip system."""
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frame = jnp.full((frame_size[1], frame_size[0], 3), jnp.array(bg, dtype=jnp.uint8), dtype=jnp.uint8)
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strip = render_text_strip(
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text, font_path, font_size,
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stroke_width=stroke_width, stroke_fill=stroke_fill,
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anchor=anchor, multiline=multiline, line_spacing=line_spacing, align=align
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)
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strip_img = jnp.asarray(strip.image)
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color = jnp.array(fill, dtype=jnp.float32)
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result = place_text_strip_jax(
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frame, strip_img, x, y,
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strip.baseline_y, strip.bearing_x,
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color, opacity,
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anchor_x=strip.anchor_x, anchor_y=strip.anchor_y,
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stroke_width=strip.stroke_width
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)
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return np.array(result)
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def compare(name, tolerance=0, **kwargs):
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"""Compare PIL and TextStrip rendering."""
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pil = render_pil(**kwargs)
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strip = render_strip(**kwargs)
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diff = np.abs(pil.astype(np.int16) - strip.astype(np.int16))
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max_diff = diff.max()
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pixels_diff = (diff > 0).any(axis=2).sum()
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if max_diff == 0:
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print(f" PASS: {name}")
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return True
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if tolerance > 0:
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best_diff = diff.copy()
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for dy in range(-tolerance, tolerance + 1):
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for dx in range(-tolerance, tolerance + 1):
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if dy == 0 and dx == 0:
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continue
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shifted = np.roll(np.roll(strip, dy, axis=0), dx, axis=1)
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sdiff = np.abs(pil.astype(np.int16) - shifted.astype(np.int16))
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best_diff = np.minimum(best_diff, sdiff)
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if best_diff.max() == 0:
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print(f" PASS: {name} (within {tolerance}px tolerance)")
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return True
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print(f" FAIL: {name}")
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print(f" Max diff: {max_diff}, Pixels different: {pixels_diff}")
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Image.fromarray(pil).save(f"/tmp/pil_{name}.png")
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Image.fromarray(strip).save(f"/tmp/strip_{name}.png")
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diff_vis = np.clip(diff * 10, 0, 255).astype(np.uint8)
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Image.fromarray(diff_vis).save(f"/tmp/diff_{name}.png")
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print(f" Saved: /tmp/pil_{name}.png /tmp/strip_{name}.png /tmp/diff_{name}.png")
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return False
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def test_colors():
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"""Test various text colors on various backgrounds."""
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print("\n--- Colors ---")
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results = []
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# White on black (baseline)
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results.append(compare("color_white_on_black",
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text="Hello", x=20, y=30, fill=(255, 255, 255), bg=(0, 0, 0)))
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# Red on black
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results.append(compare("color_red",
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text="Red Text", x=20, y=30, fill=(255, 0, 0), bg=(0, 0, 0)))
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# Green on black
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results.append(compare("color_green",
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text="Green!", x=20, y=30, fill=(0, 255, 0), bg=(0, 0, 0)))
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# Blue on black
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results.append(compare("color_blue",
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text="Blue sky", x=20, y=30, fill=(0, 100, 255), bg=(0, 0, 0)))
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# Yellow on dark gray
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results.append(compare("color_yellow_on_gray",
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text="Yellow", x=20, y=30, fill=(255, 255, 0), bg=(40, 40, 40)))
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# Magenta on white
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results.append(compare("color_magenta_on_white",
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text="Magenta", x=20, y=30, fill=(255, 0, 255), bg=(255, 255, 255)))
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# Subtle: gray text on slightly lighter gray
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results.append(compare("color_subtle_gray",
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text="Subtle", x=20, y=30, fill=(128, 128, 128), bg=(64, 64, 64)))
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# Orange on deep blue
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results.append(compare("color_orange_on_blue",
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text="Warm", x=20, y=30, fill=(255, 165, 0), bg=(0, 0, 80)))
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return results
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def test_opacity():
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"""Test different opacity levels."""
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print("\n--- Opacity ---")
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results = []
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results.append(compare("opacity_100",
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text="Full", x=20, y=30, opacity=1.0))
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results.append(compare("opacity_75",
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text="75%", x=20, y=30, opacity=0.75))
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results.append(compare("opacity_50",
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text="Half", x=20, y=30, opacity=0.5))
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results.append(compare("opacity_25",
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text="Quarter", x=20, y=30, opacity=0.25))
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results.append(compare("opacity_10",
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text="Ghost", x=20, y=30, opacity=0.1))
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# Opacity on colored background
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results.append(compare("opacity_on_colored_bg",
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text="Overlay", x=20, y=30, fill=(255, 255, 255), bg=(100, 0, 0),
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opacity=0.5))
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# Color + opacity combo
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results.append(compare("opacity_red_on_green",
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text="Blend", x=20, y=30, fill=(255, 0, 0), bg=(0, 100, 0),
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opacity=0.6))
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return results
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def test_fonts():
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"""Test different fonts and sizes."""
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print("\n--- Fonts & Sizes ---")
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results = []
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for label, path in FONTS.items():
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results.append(compare(f"font_{label}",
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text="Quick Fox", x=20, y=30, font_path=path, font_size=28,
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frame_size=(300, 80)))
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# Tiny text
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results.append(compare("size_tiny",
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text="Tiny text at 12px", x=10, y=15, font_size=12,
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frame_size=(200, 40)))
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# Big text
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results.append(compare("size_big",
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text="BIG", x=20, y=10, font_size=72,
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frame_size=(300, 100)))
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# Huge text
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results.append(compare("size_huge",
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text="XL", x=10, y=10, font_size=120,
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frame_size=(300, 160)))
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return results
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def test_anchors():
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"""Test all anchor combinations."""
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print("\n--- Anchors ---")
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results = []
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# All horizontal x vertical combos
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for h in ['l', 'm', 'r']:
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for v in ['a', 'm', 's', 'd']:
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anchor = h + v
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results.append(compare(f"anchor_{anchor}",
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text="Anchor", x=200, y=50, anchor=anchor,
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frame_size=(400, 100)))
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return results
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def test_strokes():
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"""Test various stroke widths and colors."""
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print("\n--- Strokes ---")
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results = []
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for sw in [1, 2, 3, 4, 6, 8]:
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results.append(compare(f"stroke_w{sw}",
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text="Stroke", x=30, y=20, font_size=40,
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stroke_width=sw, stroke_fill=(0, 0, 0),
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frame_size=(300, 80)))
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# Colored strokes
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results.append(compare("stroke_red",
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text="Red outline", x=20, y=20, font_size=36,
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stroke_width=3, stroke_fill=(255, 0, 0),
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frame_size=(350, 80)))
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results.append(compare("stroke_white_on_black",
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text="Glow", x=20, y=20, font_size=40,
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fill=(255, 255, 255), stroke_width=4, stroke_fill=(0, 0, 255),
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frame_size=(250, 80)))
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# Stroke with bold font
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results.append(compare("stroke_bold",
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text="Bold+Stroke", x=20, y=20,
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font_path=FONTS['bold'], font_size=36,
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stroke_width=3, stroke_fill=(0, 0, 0),
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frame_size=(400, 80)))
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# Stroke + colored text on colored bg
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results.append(compare("stroke_colored_on_bg",
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text="Party", x=20, y=20, font_size=48,
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fill=(255, 255, 0), bg=(50, 0, 80),
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stroke_width=3, stroke_fill=(255, 0, 0),
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frame_size=(300, 80)))
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return results
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def test_edge_clipping():
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"""Test text at frame edges - clipping behavior."""
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print("\n--- Edge Clipping ---")
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results = []
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# Text at very left edge
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results.append(compare("clip_left_edge",
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text="LEFT", x=0, y=30, frame_size=(200, 80)))
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# Text partially off right edge
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results.append(compare("clip_right_edge",
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text="RIGHT SIDE", x=150, y=30, frame_size=(200, 80)))
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# Text at top edge
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results.append(compare("clip_top",
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text="TOP", x=20, y=0, frame_size=(200, 80)))
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# Text at bottom edge - partially clipped
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results.append(compare("clip_bottom",
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text="BOTTOM", x=20, y=55, font_size=40,
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frame_size=(200, 80)))
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# Large text overflowing all sides from center
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results.append(compare("clip_overflow_center",
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text="HUGE", x=75, y=40, font_size=100, anchor="mm",
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frame_size=(150, 80)))
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# Corner placement
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results.append(compare("clip_corner_br",
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text="Corner", x=350, y=70, font_size=36,
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frame_size=(400, 100)))
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return results
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def test_multiline_fancy():
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"""Test multiline with various styles."""
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print("\n--- Multiline Fancy ---")
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results = []
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# Right-aligned (1px tolerance: same sub-pixel issue as center alignment)
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results.append(compare("multi_right",
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text="Right\nAligned\nText", x=380, y=20,
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frame_size=(400, 150),
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multiline=True, anchor="ra", align="right",
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tolerance=1))
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# Center + stroke
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results.append(compare("multi_center_stroke",
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text="Title\nSubtitle", x=200, y=20,
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font_size=32, frame_size=(400, 120),
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multiline=True, anchor="ma", align="center",
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stroke_width=2, stroke_fill=(0, 0, 0),
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tolerance=1))
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# Wide line spacing
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results.append(compare("multi_wide_spacing",
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text="Line A\nLine B\nLine C", x=20, y=10,
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frame_size=(300, 200),
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multiline=True, line_spacing=20))
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# Zero extra spacing
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results.append(compare("multi_tight_spacing",
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text="Tight\nPacked\nLines", x=20, y=10,
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frame_size=(300, 150),
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multiline=True, line_spacing=0))
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# Many lines
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results.append(compare("multi_many_lines",
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text="One\nTwo\nThree\nFour\nFive\nSix", x=20, y=5,
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font_size=20, frame_size=(200, 200),
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multiline=True, line_spacing=4))
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# Bold multiline with stroke
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results.append(compare("multi_bold_stroke",
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text="BOLD\nSTROKE", x=20, y=10,
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font_path=FONTS['bold'], font_size=48,
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stroke_width=3, stroke_fill=(200, 0, 0),
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frame_size=(350, 150), multiline=True))
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# Multiline on colored bg with opacity
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results.append(compare("multi_opacity_on_bg",
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text="Semi\nTransparent", x=20, y=10,
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fill=(255, 255, 0), bg=(0, 50, 100), opacity=0.7,
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frame_size=(300, 120), multiline=True))
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return results
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def test_special_chars():
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"""Test special characters and edge cases."""
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print("\n--- Special Characters ---")
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results = []
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# Numbers and symbols
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results.append(compare("chars_numbers",
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text="0123456789", x=20, y=30, frame_size=(300, 80)))
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results.append(compare("chars_punctuation",
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text="Hello, World! (v2.0)", x=10, y=30, frame_size=(350, 80)))
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results.append(compare("chars_symbols",
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text="@#$%^&*+=", x=20, y=30, frame_size=(300, 80)))
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# Single character
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results.append(compare("chars_single",
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text="X", x=50, y=30, font_size=48, frame_size=(100, 80)))
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# Very long text (clipped)
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results.append(compare("chars_long",
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text="The quick brown fox jumps over the lazy dog", x=10, y=30,
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font_size=24, frame_size=(400, 80)))
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# Mixed case
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results.append(compare("chars_mixed_case",
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text="AaBbCcDdEeFf", x=10, y=30, frame_size=(350, 80)))
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return results
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def test_combos():
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"""Complex combinations of features."""
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print("\n--- Combos ---")
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results = []
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# Big bold stroke + color + opacity
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results.append(compare("combo_all_features",
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text="EPIC", x=20, y=10,
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font_path=FONTS['bold'], font_size=64,
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fill=(255, 200, 0), bg=(20, 0, 40), opacity=0.85,
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stroke_width=4, stroke_fill=(180, 0, 0),
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frame_size=(350, 100)))
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# Small mono on busy background
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results.append(compare("combo_mono_code",
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text="fn main() {}", x=10, y=15,
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font_path=FONTS['mono'], font_size=16,
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fill=(0, 255, 100), bg=(30, 30, 30),
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frame_size=(250, 50)))
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# Serif italic multiline with stroke
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results.append(compare("combo_serif_italic_multi",
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text="Once upon\na time...", x=20, y=10,
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font_path=FONTS['italic'], font_size=28,
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stroke_width=1, stroke_fill=(80, 80, 80),
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frame_size=(300, 120), multiline=True))
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# Narrow font, big stroke, center anchored
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results.append(compare("combo_narrow_stroke_center",
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text="NARROW", x=150, y=40,
|
||||
font_path=FONTS['narrow'], font_size=44,
|
||||
stroke_width=5, stroke_fill=(0, 0, 0),
|
||||
anchor="mm", frame_size=(300, 80)))
|
||||
|
||||
# Multiple strips on same frame (simulated by sequential placement)
|
||||
results.append(compare("combo_opacity_blend",
|
||||
text="Layered", x=20, y=30,
|
||||
fill=(255, 0, 0), bg=(0, 0, 255), opacity=0.5,
|
||||
font_size=48, frame_size=(300, 80)))
|
||||
|
||||
return results
|
||||
|
||||
|
||||
def test_multi_strip_overlay():
|
||||
"""Test placing multiple strips on the same frame."""
|
||||
print("\n--- Multi-Strip Overlay ---")
|
||||
results = []
|
||||
|
||||
frame_size = (400, 150)
|
||||
bg = (20, 20, 40)
|
||||
|
||||
# PIL version - multiple draw calls
|
||||
font1 = _load_font(FONTS['bold'], 48)
|
||||
font2 = _load_font(None, 24)
|
||||
font3 = _load_font(FONTS['mono'], 18)
|
||||
|
||||
pil_frame = np.full((frame_size[1], frame_size[0], 3), bg, dtype=np.uint8)
|
||||
txt_layer = Image.new('RGBA', frame_size, (0, 0, 0, 0))
|
||||
draw = ImageDraw.Draw(txt_layer)
|
||||
draw.text((20, 10), "TITLE", fill=(255, 255, 0, 255), font=font1,
|
||||
stroke_width=2, stroke_fill=(0, 0, 0, 255))
|
||||
draw.text((20, 70), "Subtitle here", fill=(200, 200, 200, 255), font=font2)
|
||||
draw.text((20, 110), "code_snippet()", fill=(0, 255, 128, 200), font=font3)
|
||||
bg_img = Image.fromarray(pil_frame).convert('RGBA')
|
||||
pil_result = np.array(Image.alpha_composite(bg_img, txt_layer).convert('RGB'))
|
||||
|
||||
# Strip version - multiple placements
|
||||
frame = jnp.full((frame_size[1], frame_size[0], 3), jnp.array(bg, dtype=jnp.uint8), dtype=jnp.uint8)
|
||||
|
||||
s1 = render_text_strip("TITLE", FONTS['bold'], 48, stroke_width=2, stroke_fill=(0, 0, 0))
|
||||
s2 = render_text_strip("Subtitle here", None, 24)
|
||||
s3 = render_text_strip("code_snippet()", FONTS['mono'], 18)
|
||||
|
||||
frame = place_text_strip_jax(
|
||||
frame, jnp.asarray(s1.image), 20, 10,
|
||||
s1.baseline_y, s1.bearing_x,
|
||||
jnp.array([255, 255, 0], dtype=jnp.float32), 1.0,
|
||||
anchor_x=s1.anchor_x, anchor_y=s1.anchor_y,
|
||||
stroke_width=s1.stroke_width)
|
||||
|
||||
frame = place_text_strip_jax(
|
||||
frame, jnp.asarray(s2.image), 20, 70,
|
||||
s2.baseline_y, s2.bearing_x,
|
||||
jnp.array([200, 200, 200], dtype=jnp.float32), 1.0,
|
||||
anchor_x=s2.anchor_x, anchor_y=s2.anchor_y,
|
||||
stroke_width=s2.stroke_width)
|
||||
|
||||
frame = place_text_strip_jax(
|
||||
frame, jnp.asarray(s3.image), 20, 110,
|
||||
s3.baseline_y, s3.bearing_x,
|
||||
jnp.array([0, 255, 128], dtype=jnp.float32), 200/255,
|
||||
anchor_x=s3.anchor_x, anchor_y=s3.anchor_y,
|
||||
stroke_width=s3.stroke_width)
|
||||
|
||||
strip_result = np.array(frame)
|
||||
|
||||
diff = np.abs(pil_result.astype(np.int16) - strip_result.astype(np.int16))
|
||||
max_diff = diff.max()
|
||||
pixels_diff = (diff > 0).any(axis=2).sum()
|
||||
|
||||
if max_diff <= 1:
|
||||
print(f" PASS: multi_overlay (max_diff={max_diff})")
|
||||
results.append(True)
|
||||
else:
|
||||
print(f" FAIL: multi_overlay")
|
||||
print(f" Max diff: {max_diff}, Pixels different: {pixels_diff}")
|
||||
Image.fromarray(pil_result).save("/tmp/pil_multi_overlay.png")
|
||||
Image.fromarray(strip_result).save("/tmp/strip_multi_overlay.png")
|
||||
diff_vis = np.clip(diff * 10, 0, 255).astype(np.uint8)
|
||||
Image.fromarray(diff_vis).save("/tmp/diff_multi_overlay.png")
|
||||
print(f" Saved: /tmp/pil_multi_overlay.png /tmp/strip_multi_overlay.png /tmp/diff_multi_overlay.png")
|
||||
results.append(False)
|
||||
|
||||
return results
|
||||
|
||||
|
||||
def main():
|
||||
print("=" * 60)
|
||||
print("Funky TextStrip vs PIL Comparison")
|
||||
print("=" * 60)
|
||||
|
||||
all_results = []
|
||||
all_results.extend(test_colors())
|
||||
all_results.extend(test_opacity())
|
||||
all_results.extend(test_fonts())
|
||||
all_results.extend(test_anchors())
|
||||
all_results.extend(test_strokes())
|
||||
all_results.extend(test_edge_clipping())
|
||||
all_results.extend(test_multiline_fancy())
|
||||
all_results.extend(test_special_chars())
|
||||
all_results.extend(test_combos())
|
||||
all_results.extend(test_multi_strip_overlay())
|
||||
|
||||
print("\n" + "=" * 60)
|
||||
passed = sum(all_results)
|
||||
total = len(all_results)
|
||||
print(f"Results: {passed}/{total} passed")
|
||||
if passed == total:
|
||||
print("ALL TESTS PASSED!")
|
||||
else:
|
||||
failed = [i for i, r in enumerate(all_results) if not r]
|
||||
print(f"FAILED: {total - passed} tests (indices: {failed})")
|
||||
print("=" * 60)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Reference in New Issue
Block a user