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tomo-old/default/theme/default.go
2023-04-18 03:12:36 -04:00

315 lines
9.6 KiB
Go

package theme
import "image"
import "bytes"
import _ "embed"
import _ "image/png"
import "image/color"
import "golang.org/x/image/font"
import "git.tebibyte.media/sashakoshka/tomo"
import "git.tebibyte.media/sashakoshka/tomo/data"
import "git.tebibyte.media/sashakoshka/tomo/artist"
import "git.tebibyte.media/sashakoshka/tomo/canvas"
import defaultfont "git.tebibyte.media/sashakoshka/tomo/default/font"
import "git.tebibyte.media/sashakoshka/tomo/artist/patterns"
//go:embed assets/wintergreen.png
var defaultAtlasBytes []byte
var defaultAtlas canvas.Canvas
var defaultTextures [16][9]artist.Pattern
//go:embed assets/wintergreen-icons-small.png
var defaultIconsSmallAtlasBytes []byte
var defaultIconsSmall [640]binaryIcon
//go:embed assets/wintergreen-icons-large.png
var defaultIconsLargeAtlasBytes []byte
var defaultIconsLarge [640]binaryIcon
func atlasCell (col, row int, border artist.Inset) {
bounds := image.Rect(0, 0, 16, 16).Add(image.Pt(col, row).Mul(16))
defaultTextures[col][row] = patterns.Border {
Canvas: canvas.Cut(defaultAtlas, bounds),
Inset: border,
}
}
func atlasCol (col int, border artist.Inset) {
for index, _ := range defaultTextures[col] {
atlasCell(col, index, border)
}
}
type binaryIcon struct {
data []bool
stride int
}
func (icon binaryIcon) Draw (destination canvas.Canvas, color color.RGBA, at image.Point) {
bounds := icon.Bounds().Add(at).Intersect(destination.Bounds())
point := image.Point { }
data, stride := destination.Buffer()
for point.Y = bounds.Min.Y; point.Y < bounds.Max.Y; point.Y ++ {
for point.X = bounds.Min.X; point.X < bounds.Max.X; point.X ++ {
srcPoint := point.Sub(at)
srcIndex := srcPoint.X + srcPoint.Y * icon.stride
dstIndex := point.X + point.Y * stride
if icon.data[srcIndex] {
data[dstIndex] = color
}
}}
}
func (icon binaryIcon) Bounds () image.Rectangle {
return image.Rect(0, 0, icon.stride, len(icon.data) / icon.stride)
}
func binaryIconFrom (source image.Image, clip image.Rectangle) (icon binaryIcon) {
bounds := source.Bounds().Intersect(clip)
if bounds.Empty() { return }
icon.stride = bounds.Dx()
icon.data = make([]bool, bounds.Dx() * bounds.Dy())
point := image.Point { }
dstIndex := 0
for point.Y = bounds.Min.Y; point.Y < bounds.Max.Y; point.Y ++ {
for point.X = bounds.Min.X; point.X < bounds.Max.X; point.X ++ {
r, g, b, a := source.At(point.X, point.Y).RGBA()
if a > 0x8000 && (r + g + b) / 3 < 0x8000 {
icon.data[dstIndex] = true
}
dstIndex ++
}}
return
}
func init () {
defaultAtlasImage, _, _ := image.Decode(bytes.NewReader(defaultAtlasBytes))
defaultAtlas = canvas.FromImage(defaultAtlasImage)
// PatternDead
atlasCol(0, artist.Inset { })
// PatternRaised
atlasCol(1, artist.Inset { 6, 6, 6, 6 })
// PatternSunken
atlasCol(2, artist.Inset { 4, 4, 4, 4 })
// PatternPinboard
atlasCol(3, artist.Inset { 2, 2, 2, 2 })
// PatternButton
atlasCol(4, artist.Inset { 6, 6, 6, 6 })
// PatternInput
atlasCol(5, artist.Inset { 4, 4, 4, 4 })
// PatternGutter
atlasCol(6, artist.Inset { 7, 7, 7, 7 })
// PatternHandle
atlasCol(7, artist.Inset { 3, 3, 3, 3 })
// PatternLine
atlasCol(8, artist.Inset { 1, 1, 1, 1 })
// PatternMercury
atlasCol(13, artist.Inset { 2, 2, 2, 2 })
// PatternTableHead:
atlasCol(14, artist.Inset { 4, 4, 4, 4 })
// PatternTableCell:
atlasCol(15, artist.Inset { 4, 4, 4, 4 })
// PatternButton: basic.checkbox
atlasCol(9, artist.Inset { 3, 3, 3, 3 })
// PatternRaised: basic.listEntry
atlasCol(10, artist.Inset { 3, 3, 3, 3 })
// PatternRaised: fun.flatKey
atlasCol(11, artist.Inset { 3, 3, 5, 3 })
// PatternRaised: fun.sharpKey
atlasCol(12, artist.Inset { 3, 3, 4, 3 })
// set up small icons
defaultIconsSmallAtlasImage, _, _ := image.Decode (
bytes.NewReader(defaultIconsSmallAtlasBytes))
point := image.Point { }
iconIndex := 0
for point.Y = 0; point.Y < 20; point.Y ++ {
for point.X = 0; point.X < 32; point.X ++ {
defaultIconsSmall[iconIndex] = binaryIconFrom (
defaultIconsSmallAtlasImage,
image.Rect(0, 0, 16, 16).Add(point.Mul(16)))
iconIndex ++
}}
// set up large icons
defaultIconsLargeAtlasImage, _, _ := image.Decode (
bytes.NewReader(defaultIconsLargeAtlasBytes))
point = image.Point { }
iconIndex = 0
for point.Y = 0; point.Y < 8; point.Y ++ {
for point.X = 0; point.X < 32; point.X ++ {
defaultIconsLarge[iconIndex] = binaryIconFrom (
defaultIconsLargeAtlasImage,
image.Rect(0, 0, 32, 32).Add(point.Mul(32)))
iconIndex ++
}}
iconIndex = 384
for point.Y = 8; point.Y < 12; point.Y ++ {
for point.X = 0; point.X < 32; point.X ++ {
defaultIconsLarge[iconIndex] = binaryIconFrom (
defaultIconsLargeAtlasImage,
image.Rect(0, 0, 32, 32).Add(point.Mul(32)))
iconIndex ++
}}
}
// Default is the default theme.
type Default struct { }
// FontFace returns the default font face.
func (Default) FontFace (style tomo.FontStyle, size tomo.FontSize, c tomo.Case) font.Face {
switch style {
case tomo.FontStyleBold:
return defaultfont.FaceBold
case tomo.FontStyleItalic:
return defaultfont.FaceItalic
case tomo.FontStyleBoldItalic:
return defaultfont.FaceBoldItalic
default:
return defaultfont.FaceRegular
}
}
// Icon returns an icon from the default set corresponding to the given name.
func (Default) Icon (id tomo.Icon, size tomo.IconSize, c tomo.Case) artist.Icon {
if size == tomo.IconSizeLarge {
if id < 0 || int(id) >= len(defaultIconsLarge) {
return nil
} else {
return defaultIconsLarge[id]
}
} else {
if id < 0 || int(id) >= len(defaultIconsSmall) {
return nil
} else {
return defaultIconsSmall[id]
}
}
}
// MimeIcon returns an icon from the default set corresponding to the given mime.
// type.
func (Default) MimeIcon (data.Mime, tomo.IconSize, tomo.Case) artist.Icon {
// TODO
return nil
}
// Pattern returns a pattern from the default theme corresponding to the given
// pattern ID.
func (Default) Pattern (id tomo.Pattern, state tomo.State, c tomo.Case) artist.Pattern {
offset := 0; switch {
case state.Disabled: offset = 1
case state.Pressed && state.On: offset = 4
case state.Focused && state.On: offset = 6
case state.On: offset = 2
case state.Pressed: offset = 3
case state.Focused: offset = 5
}
switch id {
case tomo.PatternBackground: return patterns.Uhex(0xaaaaaaFF)
case tomo.PatternDead: return defaultTextures[0][offset]
case tomo.PatternRaised: return defaultTextures[1][offset]
case tomo.PatternSunken: return defaultTextures[2][offset]
case tomo.PatternPinboard: return defaultTextures[3][offset]
case tomo.PatternButton:
switch {
case c.Match("tomo", "checkbox", ""):
return defaultTextures[9][offset]
case c.Match("tomo", "piano", "flatKey"):
return defaultTextures[11][offset]
case c.Match("tomo", "piano", "sharpKey"):
return defaultTextures[12][offset]
default:
return defaultTextures[4][offset]
}
case tomo.PatternInput: return defaultTextures[5][offset]
case tomo.PatternGutter: return defaultTextures[6][offset]
case tomo.PatternHandle: return defaultTextures[7][offset]
case tomo.PatternLine: return defaultTextures[8][offset]
case tomo.PatternMercury: return defaultTextures[13][offset]
case tomo.PatternTableHead: return defaultTextures[14][offset]
case tomo.PatternTableCell: return defaultTextures[15][offset]
default: return patterns.Uhex(0xFF00FFFF)
}
}
func (Default) Color (id tomo.Color, state tomo.State, c tomo.Case) color.RGBA {
if state.Disabled { return artist.Hex(0x444444FF) }
return artist.Hex (map[tomo.Color] uint32 {
tomo.ColorBlack: 0x000000FF,
tomo.ColorRed: 0x880000FF,
tomo.ColorGreen: 0x008800FF,
tomo.ColorYellow: 0x888800FF,
tomo.ColorBlue: 0x000088FF,
tomo.ColorPurple: 0x880088FF,
tomo.ColorCyan: 0x008888FF,
tomo.ColorWhite: 0x888888FF,
tomo.ColorBrightBlack: 0x888888FF,
tomo.ColorBrightRed: 0xFF0000FF,
tomo.ColorBrightGreen: 0x00FF00FF,
tomo.ColorBrightYellow: 0xFFFF00FF,
tomo.ColorBrightBlue: 0x0000FFFF,
tomo.ColorBrightPurple: 0xFF00FFFF,
tomo.ColorBrightCyan: 0x00FFFFFF,
tomo.ColorBrightWhite: 0xFFFFFFFF,
tomo.ColorForeground: 0x000000FF,
tomo.ColorBackground: 0xAAAAAAFF,
tomo.ColorAccent: 0x408090FF,
} [id])
}
// Padding returns the default padding value for the given pattern.
func (Default) Padding (id tomo.Pattern, c tomo.Case) artist.Inset {
switch id {
case tomo.PatternSunken:
if c.Match("tomo", "progressBar", "") {
return artist.I(2, 1, 1, 2)
} else {
return artist.I(8)
}
case tomo.PatternPinboard:
if c.Match("tomo", "piano", "") {
return artist.I(2)
} else {
return artist.I(8)
}
case tomo.PatternTableCell: return artist.I(5)
case tomo.PatternTableHead: return artist.I(5)
case tomo.PatternGutter: return artist.I(0)
case tomo.PatternLine: return artist.I(1)
case tomo.PatternMercury: return artist.I(5)
default: return artist.I(8)
}
}
// Margin returns the default margin value for the given pattern.
func (Default) Margin (id tomo.Pattern, c tomo.Case) image.Point {
switch id {
case tomo.PatternSunken:
if c.Match("tomo", "list", "") {
return image.Pt(-1, -1)
} else {
return image.Pt(8, 8)
}
default: return image.Pt(8, 8)
}
}
// Hints returns rendering optimization hints for a particular pattern.
// These are optional, but following them may result in improved
// performance.
func (Default) Hints (pattern tomo.Pattern, c tomo.Case) (hints tomo.Hints) {
return
}
// Sink returns the default sink vector for the given pattern.
func (Default) Sink (pattern tomo.Pattern, c tomo.Case) image.Point {
return image.Point { 1, 1 }
}