140 lines
4.2 KiB
Go
140 lines
4.2 KiB
Go
package theme
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import "image"
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import "bytes"
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import _ "embed"
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import _ "image/png"
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import "image/color"
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import "golang.org/x/image/font"
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import "git.tebibyte.media/sashakoshka/tomo/artist"
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import "git.tebibyte.media/sashakoshka/tomo/canvas"
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import "git.tebibyte.media/sashakoshka/tomo/defaultfont"
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import "git.tebibyte.media/sashakoshka/tomo/artist/patterns"
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//go:embed assets/wintergreen.png
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var defaultAtlasBytes []byte
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var defaultAtlas canvas.Canvas
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var defaultTextures [8][10]artist.Pattern
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func atlasCell (col, row int, border artist.Inset) {
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bounds := image.Rect(0, 0, 16, 16).Add(image.Pt(col, row).Mul(16))
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defaultTextures[col][row] = patterns.Border {
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Canvas: canvas.Cut(defaultAtlas, bounds),
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Inset: border,
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}
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}
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func atlasCol (col int, border artist.Inset) {
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for index, _ := range defaultTextures[col] {
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atlasCell(col, index, border)
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}
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}
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func init () {
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defaultAtlasImage, _, _ := image.Decode(bytes.NewReader(defaultAtlasBytes))
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defaultAtlas = canvas.FromImage(defaultAtlasImage)
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// PatternDead
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atlasCol(0, artist.Inset { })
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// PatternRaised
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atlasCol(1, artist.Inset { 6, 6, 6, 6 }) // broken
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// PatternSunken
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atlasCol(2, artist.Inset { 4, 4, 4, 4 })
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// PatternPinboard
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atlasCol(3, artist.Inset { 2, 2, 2, 2 })
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// PatternButton
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atlasCol(4, artist.Inset { 6, 6, 6, 6 }) // broken
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// PatternInput
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atlasCol(5, artist.Inset { 4, 4, 4, 4 })
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// PatternGutter
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atlasCol(6, artist.Inset { 4, 4, 4, 4 })
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// PatternHandle
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atlasCol(7, artist.Inset { 6, 6, 6, 6 }) // broken
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}
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// Default is the default theme.
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type Default struct { }
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// FontFace returns the default font face.
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func (Default) FontFace (style FontStyle, size FontSize, c Case) font.Face {
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switch style {
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case FontStyleBold:
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return defaultfont.FaceBold
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case FontStyleItalic:
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return defaultfont.FaceItalic
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case FontStyleBoldItalic:
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return defaultfont.FaceBoldItalic
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default:
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return defaultfont.FaceRegular
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}
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}
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// Icon returns an icon from the default set corresponding to the given name.
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func (Default) Icon (string, IconSize, Case) canvas.Image {
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// TODO
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return nil
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}
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// Pattern returns a pattern from the default theme corresponding to the given
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// pattern ID.
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func (Default) Pattern (id Pattern, state State, c Case) artist.Pattern {
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offset := 0; switch {
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case state.Disabled: offset = 1
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case state.Focused && state.Pressed: offset = 6
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case state.Focused && state.On: offset = 7
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case state.Invalid && state.Pressed: offset = 8
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case state.Invalid && state.On: offset = 9
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case state.Invalid: offset = 5
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case state.Focused: offset = 4
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case state.Pressed: offset = 2
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case state.On: offset = 3
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}
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switch id {
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case PatternBackground: return patterns.Uhex(0xaaaaaaFF)
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case PatternDead: return defaultTextures[0][offset]
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case PatternRaised: return defaultTextures[1][offset]
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case PatternSunken: return defaultTextures[2][offset]
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case PatternPinboard: return defaultTextures[3][offset]
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case PatternButton: return defaultTextures[4][offset]
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case PatternInput: return defaultTextures[5][offset]
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case PatternGutter: return defaultTextures[6][offset]
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case PatternHandle: return defaultTextures[7][offset]
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default: return patterns.Uhex(0xFF00FFFF)
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}
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}
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func (Default) Color (id Color, state State, c Case) color.RGBA {
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if state.Disabled {
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return artist.Hex(0x444444FF)
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} else {
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switch id {
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case ColorAccent: return artist.Hex(0x408090FF)
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case ColorForeground: return artist.Hex(0x000000FF)
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default: return artist.Hex(0x888888FF)
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}
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}
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}
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// Padding returns the default padding value for the given pattern.
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func (Default) Padding (pattern Pattern, c Case) artist.Inset {
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return artist.Inset { 8, 8, 8, 8 }
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}
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// Margin returns the default margin value for the given pattern.
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func (Default) Margin (id Pattern, c Case) image.Point {
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return image.Pt(8, 8)
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}
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// Hints returns rendering optimization hints for a particular pattern.
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// These are optional, but following them may result in improved
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// performance.
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func (Default) Hints (pattern Pattern, c Case) (hints Hints) {
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return
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}
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// Sink returns the default sink vector for the given pattern.
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func (Default) Sink (pattern Pattern, c Case) image.Point {
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return image.Point { 1, 1 }
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}
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