mizchi/crater-painter/x/image

README
U
BoundingBox
U
Camera
U
Color
U
DynamicPalette
U
Framebuffer
U
GlyphProvider
U
PaintLayoutShift
U
PaintNode
U
PaintProperties
U
PaintPropertyChange
U
PaintTreeDiff
U
PathCommand
U
RenderContext
U
SVGNode
U
Scene
U
ScrollableElement
U
ScrollableHitResult
U
Transform
V
attributes_to_svg_node
V
circle
V
collect_scrollable_elements
V
create_svg_layout
V
diff_trees
V
find_scrollable_at
V
flatten_for_rendering
V
from_layout
V
from_node_and_layout
V
group
V
line
V
parse_svg
V
path
V
rect
V
render_paint_node_to_kitty
V
render_paint_node_to_sixel
V
render_svg_node_to_sixel
V
render_svg_to_kitty
V
render_svg_to_sixel
V
text

mizchi/crater-painter/x/image does not have a README file

ClipRect

pub(all) struct ClipRect {
  x : Int
  y : Int
  w : Int
  h : Int
}

Clip rectangle for overflow clipping. None means no clipping (full framebuffer).

Color

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pub(all) struct Color {
  r : Int
  g : Int
  b : Int
}

RGB Color (0-255 range)

Color::black

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fn Color::black() -> Color

Color::blend

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fn Color::blend(self : Color, bg : Color, alpha : Int) -> Color

Blend color with alpha (0-255)

Color::blue

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fn Color::blue() -> Color

Color::gray

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fn Color::gray() -> Color

Color::green

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fn Color::green() -> Color

Color::red

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fn Color::red() -> Color

Color::transparent

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fn Color::transparent() -> Color

Predefined colors for visualization

Color::white

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fn Color::white() -> Color

Color::yellow

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fn Color::yellow() -> Color

DynamicPalette

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pub struct DynamicPalette {
  colors : Array[Color]
  color_map : Map[Int, Int]
}

Dynamic color palette that builds from PaintNode colors

DynamicPalette::new

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fn DynamicPalette::new() -> DynamicPalette

Framebuffer

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pub struct Framebuffer {
  width : Int
  height : Int
  pixels : Array[Int]
}

Simple framebuffer for rendering

Framebuffer::draw_char

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fn Framebuffer::draw_char(self : Framebuffer, x : Int, y : Int, c : Char, color : Int, scale : Int) -> Int

Draw a single character at the given position using bitmap font Returns the width of the character drawn (in pixels)

Framebuffer::draw_text

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fn Framebuffer::draw_text(self : Framebuffer, x : Int, y : Int, text : String, max_width : Int, color : Int, scale : Int) -> Int

Draw text string at the given position Handles line wrapping within the given width constraint Returns the height of the text drawn (in pixels)

Framebuffer::fill_rect

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fn Framebuffer::fill_rect(self : Framebuffer, x : Int, y : Int, w : Int, h : Int, color : Int) -> Unit

Draw a filled rectangle

Framebuffer::fill_rect_hatched

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fn Framebuffer::fill_rect_hatched(self : Framebuffer, x : Int, y : Int, w : Int, h : Int, bg_color : Int, line_color : Int, spacing : Int) -> Unit

Draw a filled rectangle with diagonal hatching pattern spacing: pixels between diagonal lines (e.g., 4)

Framebuffer::get_pixel

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fn Framebuffer::get_pixel(self : Framebuffer, x : Int, y : Int) -> Int

Framebuffer::new

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fn Framebuffer::new(width : Int, height : Int) -> Framebuffer

Framebuffer::stroke_rect

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fn Framebuffer::stroke_rect(self : Framebuffer, x : Int, y : Int, w : Int, h : Int, color : Int) -> Unit

Draw a rectangle outline

GlyphProvider

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pub(all) struct GlyphProvider {
  get_glyph : (Int, Double, Bool) -> (Array[@mizchi/crater-painter/svg.PathCommand
PathCommand], Double)
  get_kern : (Int, Int, Double, Bool) -> Double
  ascent_ratio : Double
  get_glyph_for_family : (Int, Double, Bool, String) -> (Array[@mizchi/crater-painter/svg.PathCommand
PathCommand], Double)??
  get_kern_for_family : (Int, Int, Double, Bool, String) -> Double?
  get_ascent_for_family : (String) -> Double?
}

Provides glyph outlines and advance widths for text rendering.

clear_glyph_provider

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fn clear_glyph_provider() -> Unit

create_svg_demo_scene

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fn create_svg_demo_scene() -> @mizchi/crater-painter/svg.Scene
Scene

Create a simple SVG demo scene

font_height

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let font_height : Int

font_width

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let font_width : Int

Font dimensions

framebuffer_to_rgba_base64

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fn framebuffer_to_rgba_base64(fb : Framebuffer, palette : DynamicPalette) -> String

get_char_bitmap

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fn get_char_bitmap(c : Char) -> Array[Int]?

Get bitmap data for an ASCII character Returns array of 16 bytes, each byte is one row (MSB = leftmost pixel) Returns None for unsupported characters

get_depth_color

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fn get_depth_color(depth : Int) -> Color

Get color by depth level

glyph_provider_from_bytes

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fn glyph_provider_from_bytes(data : Bytes) -> GlyphProvider?

Parse font bytes and create a GlyphProvider. Returns None if font parsing fails.

glyph_provider_from_font

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fn glyph_provider_from_font(font : @mizchi/font.TTFont
TTFont) -> GlyphProvider

Create a GlyphProvider from a parsed TTFont. This allows native text rendering without JS FFI.

is_font_supported

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fn is_font_supported(c : Char) -> Bool

Check if character is supported by the bitmap font

pre_rasterize_glyphs

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fn pre_rasterize_glyphs(font_sizes : Array[Double], font_family? : String) -> Int

Pre-rasterize common ASCII glyphs at given font sizes. Call after set_glyph_provider to warm the bitmap cache.

print_layout

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fn print_layout(layout : @mizchi/crater-layout/types.Layout
Layout, width : Int, height : Int) -> Unit

Simple print function that outputs sixel to stdout

render_layout

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fn render_layout(layout : @mizchi/crater-layout/types.Layout
Layout, width : Int, height : Int) -> String

Render layout tree to Sixel string

render_layout_with_options

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fn render_layout_with_options(layout : @mizchi/crater-layout/types.Layout
Layout, width : Int, height : Int, show_box_model : Bool) -> String

Render layout tree to Sixel string with options

render_paint_node_to_framebuffer

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fn render_paint_node_to_framebuffer(node : @mizchi/crater-painter/paint/model.PaintNode
PaintNode, fb : Framebuffer, palette : DynamicPalette) -> Unit

Render PaintNode tree to framebuffer (for use by other renderers like Kitty)

render_paint_node_to_framebuffer_scrolled

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fn render_paint_node_to_framebuffer_scrolled(node : @mizchi/crater-painter/paint/model.PaintNode
PaintNode, fb : Framebuffer, palette : DynamicPalette, scroll_y : Int) -> Unit

Render PaintNode tree to framebuffer with scroll offset

render_paint_node_to_sixel

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fn render_paint_node_to_sixel(node : @mizchi/crater-painter/paint/model.PaintNode
PaintNode, width : Int, height : Int) -> String

Render PaintNode tree to Sixel string with actual CSS colors

render_paint_node_to_sixel_scrolled

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fn render_paint_node_to_sixel_scrolled(node : @mizchi/crater-painter/paint/model.PaintNode
PaintNode, width : Int, height : Int, scroll_y : Int) -> String

Render PaintNode tree to Sixel string with scroll offset

render_svg_node_to_sixel

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fn render_svg_node_to_sixel(node : @mizchi/crater-painter/svg.SVGNode
SVGNode, width : Int, height : Int) -> String

Render an SVGNode directly to Sixel string

render_svg_path_to_sixel

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fn render_svg_path_to_sixel(path_data : String, fill_color : Color?, stroke_color : Color?, width : Int, height : Int) -> String

Render an SVG path string to Sixel string

render_svg_scene

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fn render_svg_scene(scene : @mizchi/crater-painter/svg.Scene
Scene, fb : Framebuffer, palette : DynamicPalette) -> Unit

Render an SVG scene to a Framebuffer

render_svg_scene_with_camera

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fn render_svg_scene_with_camera(scene : @mizchi/crater-painter/svg.Scene
Scene, fb : Framebuffer, palette : DynamicPalette, camera : @mizchi/crater-painter/svg.Camera
Camera) -> Unit

Render an SVG scene with camera to a Framebuffer

render_svg_to_sixel

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fn render_svg_to_sixel(scene : @mizchi/crater-painter/svg.Scene
Scene, width : Int, height : Int) -> String

Render an SVG scene to Sixel string

render_svg_to_sixel_with_camera

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fn render_svg_to_sixel_with_camera(scene : @mizchi/crater-painter/svg.Scene
Scene, camera : @mizchi/crater-painter/svg.Camera
Camera) -> String

Render an SVG scene with camera to Sixel string

render_with_styles

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fn render_with_styles(node : @mizchi/crater-layout/node.Node
Node, layout : @mizchi/crater-layout/types.Layout
Layout, width : Int, height : Int) -> String

Render Node + Layout to Sixel string with CSS colors

render_with_styles_scrolled

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fn render_with_styles_scrolled(node : @mizchi/crater-layout/node.Node
Node, layout : @mizchi/crater-layout/types.Layout
Layout, width : Int, height : Int, scroll_y : Int) -> String

Render Node + Layout to Sixel string with CSS colors and scroll offset

set_glyph_provider

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fn set_glyph_provider(provider : GlyphProvider) -> Unit

to_sixel

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fn to_sixel(fb : Framebuffer) -> String

Convert framebuffer to Sixel string

to_sixel_dynamic

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fn to_sixel_dynamic(fb : Framebuffer, palette : DynamicPalette) -> String

Convert framebuffer to Sixel string with dynamic palette

to_sixel_extended

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fn to_sixel_extended(fb : Framebuffer) -> String

Convert framebuffer to Sixel string with extended palette

Source Files

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#ClipRect

#Color

#Color::black

#Color::blend

#Color::blue

#Color::gray

#Color::green

#Color::red

#Color::transparent

#Color::white

#Color::yellow

#DynamicPalette

#DynamicPalette::new

#Framebuffer

#Framebuffer::draw_char

#Framebuffer::draw_text

#Framebuffer::fill_rect

#Framebuffer::fill_rect_hatched

#Framebuffer::get_pixel

#Framebuffer::new

#Framebuffer::stroke_rect

#GlyphProvider

#clear_glyph_provider

#create_svg_demo_scene

#font_height

#font_width

#framebuffer_to_rgba_base64

#get_char_bitmap

#get_depth_color

#glyph_provider_from_bytes

#glyph_provider_from_font

#is_font_supported

#pre_rasterize_glyphs

#print_layout

#render_layout

#render_layout_with_options

#render_paint_node_to_framebuffer

#render_paint_node_to_framebuffer_scrolled

#render_paint_node_to_sixel

#render_paint_node_to_sixel_scrolled

#render_svg_node_to_sixel

#render_svg_path_to_sixel

#render_svg_scene

#render_svg_scene_with_camera

#render_svg_to_sixel

#render_svg_to_sixel_with_camera

#render_with_styles

#render_with_styles_scrolled

#set_glyph_provider

#to_sixel

#to_sixel_dynamic

#to_sixel_extended

Source Files

ClipRect

Color

Color::black

Color::blend

Color::blue

Color::gray

Color::green

Color::red

Color::transparent

Color::white

Color::yellow

DynamicPalette

DynamicPalette::new

Framebuffer

Framebuffer::draw_char

Framebuffer::draw_text

Framebuffer::fill_rect

Framebuffer::fill_rect_hatched

Framebuffer::get_pixel

Framebuffer::new

Framebuffer::stroke_rect

GlyphProvider

clear_glyph_provider

create_svg_demo_scene

font_height

font_width

framebuffer_to_rgba_base64

get_char_bitmap

get_depth_color

glyph_provider_from_bytes

glyph_provider_from_font

is_font_supported

pre_rasterize_glyphs

print_layout

render_layout

render_layout_with_options

render_paint_node_to_framebuffer

render_paint_node_to_framebuffer_scrolled

render_paint_node_to_sixel

render_paint_node_to_sixel_scrolled

render_svg_node_to_sixel

render_svg_path_to_sixel

render_svg_scene

render_svg_scene_with_camera

render_svg_to_sixel

render_svg_to_sixel_with_camera

render_with_styles

render_with_styles_scrolled

set_glyph_provider

to_sixel

to_sixel_dynamic

to_sixel_extended