Reorganize library and tests

8 files changed, 396 insertions, 0 deletions

diff --git a/tests/typ/visualize/image.typ b/tests/typ/visualize/image.typ
new file mode 100644
index 00000000..6a2c37e1
--- /dev/null
+++ b/tests/typ/visualize/image.typ
@@ -0,0 +1,63 @@
+// Test the `image` function.
+
+---
+// Test loading different image formats.
+
+// Load an RGBA PNG image.
+#image("/res/rhino.png")
+
+// Load an RGB JPEG image.
+#set page(height: 60pt)
+#image("../../res/tiger.jpg")
+
+---
+// Test configuring the size and fitting behaviour of images.
+
+// Set width and height explicitly.
+#image("/res/rhino.png", width: 30pt)
+#image("/res/rhino.png", height: 30pt)
+
+// Set width and height explicitly and force stretching.
+#image("/res/monkey.svg", width: 100%, height: 20pt, fit: "stretch")
+
+// Make sure the bounding-box of the image is correct.
+#align(bottom + right, image("/res/tiger.jpg", width: 40pt))
+
+---
+// Test all three fit modes.
+#set page(height: 50pt, margin: 0pt)
+#grid(
+  columns: (1fr, 1fr, 1fr),
+  rows: 100%,
+  gutter: 3pt,
+  image("/res/tiger.jpg", width: 100%, height: 100%, fit: "contain"),
+  image("/res/tiger.jpg", width: 100%, height: 100%, fit: "cover"),
+  image("/res/monkey.svg", width: 100%, height: 100%, fit: "stretch"),
+)
+
+---
+// Does not fit to remaining height of page.
+#set page(height: 60pt)
+Stuff #parbreak()
+Stuff
+#image("/res/rhino.png")
+
+---
+// Test baseline.
+A #image("/res/tiger.jpg", height: 1cm, width: 80%) B
+
+---
+// Test advanced SVG features.
+#image("/res/pattern.svg")
+
+---
+// Error: 8-29 file not found (searched at typ/visualize/path/does/not/exist)
+#image("path/does/not/exist")
+
+---
+// Error: 8-21 unknown image format
+#image("./image.typ")
+
+---
+// Error: 8-22 failed to parse svg: found closing tag 'g' instead of 'style' in line 4
+#image("/res/bad.svg")
diff --git a/tests/typ/visualize/line.typ b/tests/typ/visualize/line.typ
new file mode 100644
index 00000000..2cb2fc9c
--- /dev/null
+++ b/tests/typ/visualize/line.typ
@@ -0,0 +1,52 @@
+// Test lines
+
+---
+// Default line.
+#line()
+
+---
+// Test the to argument.
+{
+    line(to: (10pt, 0pt))
+    line(origin: (0pt, 10pt), to: (0pt, 0pt))
+    line(to: (15pt, 15pt))
+}
+#v(.5cm)
+
+---
+// Test the angle argument and positioning.
+
+#set page(fill: rgb("0B1026"))
+#set line(stroke: white)
+
+#let star(width, ..args) = box(width: width, height: width)[
+  #set text(spacing: 0%)
+  #set line(..args)
+  #set par(align: left)
+  #line(length: +30%, origin: (09.0%, 02%))
+  #line(length: +30%, origin: (38.7%, 02%), angle: -72deg)
+  #line(length: +30%, origin: (57.5%, 02%), angle: 252deg)
+  #line(length: +30%, origin: (57.3%, 02%))
+  #line(length: -30%, origin: (88.0%, 02%), angle: -36deg)
+  #line(length: +30%, origin: (73.3%, 48%), angle: 252deg)
+  #line(length: -30%, origin: (73.5%, 48%), angle: 36deg)
+  #line(length: +30%, origin: (25.4%, 48%), angle: -36deg)
+  #line(length: +30%, origin: (25.6%, 48%), angle: -72deg)
+  #line(length: +32%, origin: (8.50%, 02%), angle: 34deg)
+]
+
+#align(center, grid(
+  columns: 3,
+  column-gutter: 10pt,
+  ..((star(20pt, stroke: 0.5pt),) * 9)
+))
+
+---
+// Test errors.
+
+// Error: 11-18 point array must contain exactly two entries
+#line(to: (50pt,))
+
+---
+// Error: 15-27 expected relative length, found angle
+#line(origin: (3deg, 10pt), length: 5cm)
diff --git a/tests/typ/visualize/shape-aspect.typ b/tests/typ/visualize/shape-aspect.typ
new file mode 100644
index 00000000..f2dd9b51
--- /dev/null
+++ b/tests/typ/visualize/shape-aspect.typ
@@ -0,0 +1,46 @@
+// Test that squares and circles respect their 1-1 aspect ratio.
+
+---
+// Test relative width and height and size that is smaller
+// than default size.
+#set page(width: 120pt, height: 70pt)
+#square(width: 50%, align(bottom)[A])
+#square(height: 50%)
+#box(stack(square(size: 10pt), 5pt, square(size: 10pt, [B])))
+
+---
+// Test alignment in automatically sized square and circle.
+#set text(8pt)
+#square(inset: 4pt)[
+  Hey there, #align(center + bottom, rotate(180deg, [you!]))
+]
+#circle(align(center + horizon, [Hey.]))
+
+---
+// Test that maximum wins if both width and height are given.
+#square(width: 10pt, height: 20pt)
+#circle(width: 20%, height: 10pt)
+
+---
+// Test square that is limited by region size.
+#set page(width: 20pt, height: 10pt, margin: 0pt)
+#stack(dir: ltr, square(fill: forest), square(fill: conifer))
+
+---
+// Test different ways of sizing.
+#set page(width: 120pt, height: 40pt)
+#circle(radius: 5pt)
+#circle(width: 10%)
+#circle(height: 50%)
+
+---
+// Test square that is overflowing due to its aspect ratio.
+#set page(width: 40pt, height: 20pt, margin: 5pt)
+#square(width: 100%) #parbreak()
+#square(width: 100%)[Hello]
+
+---
+// Size cannot be relative because we wouldn't know
+// relative to which axis.
+// Error: 15-18 expected length, found ratio
+#square(size: 50%)
diff --git a/tests/typ/visualize/shape-circle.typ b/tests/typ/visualize/shape-circle.typ
new file mode 100644
index 00000000..13ff67de
--- /dev/null
+++ b/tests/typ/visualize/shape-circle.typ
@@ -0,0 +1,51 @@
+// Test the `circle` function.
+
+---
+// Default circle.
+#circle()
+#circle[Hey]
+
+---
+// Test auto sizing.
+
+Auto-sized circle. \
+#circle(fill: rgb("eb5278"), stroke: 2pt + black,
+  align(center + horizon)[But, soft!]
+)
+
+Center-aligned rect in auto-sized circle.
+#circle(fill: forest, stroke: conifer,
+  align(center + horizon,
+    rect(fill: conifer, inset: 5pt)[But, soft!]
+  )
+)
+
+Rect in auto-sized circle. \
+#circle(fill: forest,
+  rect(fill: conifer, stroke: white, inset: 4pt)[
+    #set text(8pt)
+    But, soft! what light through yonder window breaks?
+  ]
+)
+
+Expanded by height.
+#circle(stroke: black, align(center)[A \ B \ C])
+
+---
+// Ensure circle directly in rect works.
+#rect(width: 40pt, height: 30pt, fill: forest, circle(fill: conifer))
+
+---
+// Test relative sizing.
+#let centered(body) = align(center + horizon, body)
+#set text(fill: white)
+#rect(width: 100pt, height: 50pt, fill: rgb("aaa"), centered[
+  #circle(radius: 10pt, fill: eastern, centered[A])      // D=20pt
+  #circle(height: 60%, fill: eastern, centered[B])       // D=30pt
+  #circle(width: 20% + 20pt, fill: eastern, centered[C]) // D=40pt
+])
+
+---
+// Radius wins over width and height.
+// Error: 23-34 unexpected argument
+#circle(radius: 10pt, width: 50pt, height: 100pt, fill: eastern)
diff --git a/tests/typ/visualize/shape-ellipse.typ b/tests/typ/visualize/shape-ellipse.typ
new file mode 100644
index 00000000..ba4d0d0a
--- /dev/null
+++ b/tests/typ/visualize/shape-ellipse.typ
@@ -0,0 +1,26 @@
+// Test the `ellipse` function.
+
+---
+// Default ellipse.
+#ellipse()
+
+---
+Rect in ellipse in fixed rect. \
+#rect(width: 3cm, height: 2cm, fill: rgb("2a631a"),
+  ellipse(fill: forest, width: 100%, height: 100%,
+    rect(fill: conifer, width: 100%, height: 100%,
+      align(center + horizon)[
+        Stuff inside an ellipse!
+      ]
+    )
+  )
+)
+
+Auto-sized ellipse. \
+#ellipse(fill: conifer, stroke: 3pt + forest, inset: 3pt)[
+  #set text(8pt)
+  But, soft! what light through yonder window breaks?
+]
+
+
+An inline #ellipse(width: 8pt, height: 6pt, outset: (top: 3pt, rest: 5.5pt)) ellipse.
\ No newline at end of file
diff --git a/tests/typ/visualize/shape-fill-stroke.typ b/tests/typ/visualize/shape-fill-stroke.typ
new file mode 100644
index 00000000..d14d0981
--- /dev/null
+++ b/tests/typ/visualize/shape-fill-stroke.typ
@@ -0,0 +1,50 @@
+// Test shape fill & stroke.
+
+---
+#let variant = rect.with(width: 20pt, height: 10pt)
+#let items = for i, item in (
+  variant(stroke: none),
+  variant(),
+  variant(fill: none),
+  variant(stroke: 2pt),
+  variant(stroke: eastern),
+  variant(stroke: eastern + 2pt),
+  variant(fill: eastern),
+  variant(fill: eastern, stroke: none),
+  variant(fill: forest, stroke: none),
+  variant(fill: forest, stroke: conifer),
+  variant(fill: forest, stroke: black + 2pt),
+  variant(fill: forest, stroke: conifer + 2pt),
+) {
+  (align(horizon)[{i + 1}.], item, [])
+}
+
+#grid(
+  columns: (auto, auto, 1fr, auto, auto, 0fr),
+  gutter: 5pt,
+  ..items,
+)
+
+---
+// Test stroke folding.
+#let sq = square.with(size: 10pt)
+
+#set square(stroke: none)
+#sq()
+#set square(stroke: auto)
+#sq()
+#sq(fill: teal)
+#sq(stroke: 2pt)
+#sq(stroke: blue)
+#sq(fill: teal, stroke: blue)
+#sq(fill: teal, stroke: 2pt + blue)
+
+---
+// Test stroke composition.
+#set square(stroke: 4pt)
+#set text("Roboto")
+#square(
+  stroke: (left: red, top: yellow, right: green, bottom: blue),
+  radius: 100%, align(center+horizon)[*G*],
+  inset: 8pt
+)
diff --git a/tests/typ/visualize/shape-rect.typ b/tests/typ/visualize/shape-rect.typ
new file mode 100644
index 00000000..94686da2
--- /dev/null
+++ b/tests/typ/visualize/shape-rect.typ
@@ -0,0 +1,69 @@
+// Test the `rect` function.
+
+---
+// Default rectangle.
+#rect()
+
+---
+#set page(width: 150pt)
+
+// Fit to text.
+#rect(fill: conifer, inset: 3pt)[Textbox]
+
+// Empty with fixed width and height.
+#block(rect(
+  height: 15pt,
+  fill: rgb("46b3c2"),
+  stroke: 2pt + rgb("234994"),
+))
+
+// Fixed width, text height.
+#rect(width: 2cm, fill: rgb("9650d6"), inset: 5pt)[Fixed and padded]
+
+// Page width, fixed height.
+#rect(height: 1cm, width: 100%, fill: rgb("734ced"))[Topleft]
+
+// These are inline with text.
+\{#rect(width: 0.5in, height: 7pt, fill: rgb("d6cd67"))
+  #rect(width: 0.5in, height: 7pt, fill: rgb("edd466"))
+  #rect(width: 0.5in, height: 7pt, fill: rgb("e3be62"))\}
+
+// Rounded corners.
+#rect(width: 2cm, radius: 60%)
+#rect(width: 1cm, radius: (left: 10pt, right: 5pt))
+#rect(width: 1.25cm, radius: (
+  top-left: 2pt,
+  top-right: 5pt,
+  bottom-right: 8pt,
+  bottom-left: 11pt
+))
+
+// Different strokes.
+[
+  #set rect(stroke: (right: red))
+  #rect(width: 100%, fill: lime, stroke: (x: 5pt, y: 1pt))
+]
+
+---
+// Outset padding.
+#set raw(lang: "rust")
+#show raw: it => [
+  #set text(8pt)
+  #h(5.6pt, weak: true)
+  #rect(radius: 3pt, outset: (y: 3pt, x: 2.5pt), fill: rgb(239, 241, 243), it)
+  #h(5.6pt, weak: true)
+]
+
+Use the `*const T` pointer or the `&mut T` reference.
+
+---
+// Error: 15-38 unexpected key "cake"
+#rect(radius: (left: 10pt, cake: 5pt))
+
+---
+// Error: 15-21 expected stroke or none or dictionary with any of `left`, `top`, `right`, `bottom`, `x`, `y`, or `rest` as keys or auto, found array
+#rect(stroke: (1, 2))
+
+---
+// Error: 15-19 expected relative length or none or dictionary with any of `top-left`, `top-right`, `bottom-right`, `bottom-left`, `left`, `top`, `right`, `bottom`, or `rest` as keys, found color
+#rect(radius: blue)
diff --git a/tests/typ/visualize/shape-square.typ b/tests/typ/visualize/shape-square.typ
new file mode 100644
index 00000000..622fa9c8
--- /dev/null
+++ b/tests/typ/visualize/shape-square.typ
@@ -0,0 +1,39 @@
+// Test the `square` function.
+
+---
+// Default square.
+#square()
+#square[hey!]
+
+---
+// Test auto-sized square.
+#square(fill: eastern, inset: 5pt)[
+  #set text(fill: white, weight: "bold")
+  Typst
+]
+
+---
+// Test relative-sized child.
+#square(fill: eastern)[
+  #rect(width: 10pt, height: 5pt, fill: conifer) \
+  #rect(width: 40%, height: 5pt, stroke: conifer)
+]
+
+---
+// Test text overflowing height.
+#set page(width: 75pt, height: 100pt)
+#square(fill: conifer)[
+  But, soft! what light through yonder window breaks?
+]
+
+---
+// Test that square does not overflow page.
+#set page(width: 100pt, height: 75pt)
+#square(fill: conifer)[
+  But, soft! what light through yonder window breaks?
+]
+
+---
+// Size wins over width and height.
+// Error: 09-20 unexpected argument
+#square(width: 10cm, height: 20cm, size: 1cm, fill: rgb("eb5278"))