package testing import "image" import "image/color" import "git.tebibyte.media/sashakoshka/tomo/artist" import "git.tebibyte.media/sashakoshka/tomo/elements/core" // Artist is an element that displays shapes and patterns drawn by the artist // package in order to test it. type Artist struct { *core.Core core core.CoreControl cellBounds image.Rectangle } // NewArtist creates a new artist test element. func NewArtist () (element *Artist) { element = &Artist { } element.Core, element.core = core.NewCore(element) element.core.SetMinimumSize(400, 300) return } func (element *Artist) Resize (width, height int) { element.core.AllocateCanvas(width, height) bounds := element.Bounds() element.cellBounds.Max.X = bounds.Dx() / 4 element.cellBounds.Max.Y = bounds.Dy() / 4 // 0, 0 artist.FillRectangle ( element, artist.Chiseled { Highlight: artist.NewUniform(hex(0xFF0000FF)), Shadow: artist.NewUniform(hex(0x0000FFFF)), }, element.cellAt(0, 0)) // 1, 0 artist.StrokeRectangle ( element, artist.NewUniform(hex(0x00FF00FF)), 3, element.cellAt(1, 0)) // 2, 0 artist.FillRectangle ( element, artist.NewMultiBordered ( artist.Stroke { Pattern: uhex(0xFF0000FF), Weight: 1 }, artist.Stroke { Pattern: uhex(0x888800FF), Weight: 2 }, artist.Stroke { Pattern: uhex(0x00FF00FF), Weight: 3 }, artist.Stroke { Pattern: uhex(0x008888FF), Weight: 4 }, artist.Stroke { Pattern: uhex(0x0000FFFF), Weight: 5 }, ), element.cellAt(2, 0)) // 3, 0 artist.FillRectangle ( element, artist.Bordered { Stroke: artist.Stroke { Pattern: uhex(0x0000FFFF), Weight: 5 }, Fill: uhex(0xFF0000FF), }, element.cellAt(3, 0)) // 0, 1 - 0, 3 for x := 0; x < 4; x ++ { artist.FillRectangle ( element, artist.Striped { First: artist.Stroke { Pattern: uhex(0xFF8800FF), Weight: 7 }, Second: artist.Stroke { Pattern: uhex(0x0088FFFF), Weight: 2 }, Direction: artist.StripeDirection(x), }, element.cellAt(x, 1)) } for x := 0; x < 4; x ++ { element.lines(x, element.cellAt(x, 2)) } } func (element *Artist) lines (weight int, bounds image.Rectangle) { bounds = bounds.Inset(8) c := uhex(0xFFFFFFFF) artist.Line(element, c, weight, bounds.Min, bounds.Max) artist.Line ( element, c, weight, image.Pt(bounds.Max.X, bounds.Min.Y), image.Pt(bounds.Min.X, bounds.Max.Y)) artist.Line ( element, c, weight, image.Pt(bounds.Max.X, bounds.Min.Y + 16), image.Pt(bounds.Min.X, bounds.Max.Y - 16)) artist.Line ( element, c, weight, image.Pt(bounds.Min.X, bounds.Min.Y + 16), image.Pt(bounds.Max.X, bounds.Max.Y - 16)) artist.Line ( element, c, weight, image.Pt(bounds.Min.X + 20, bounds.Min.Y), image.Pt(bounds.Max.X - 20, bounds.Max.Y)) artist.Line ( element, c, weight, image.Pt(bounds.Max.X - 20, bounds.Min.Y), image.Pt(bounds.Min.X + 20, bounds.Max.Y)) artist.Line ( element, c, weight, image.Pt(bounds.Min.X, bounds.Min.Y + bounds.Dy() / 2), image.Pt(bounds.Max.X, bounds.Min.Y + bounds.Dy() / 2)) artist.Line ( element, c, weight, image.Pt(bounds.Min.X + bounds.Dx() / 2, bounds.Min.Y), image.Pt(bounds.Min.X + bounds.Dx() / 2, bounds.Max.Y)) } func (element *Artist) cellAt (x, y int) (image.Rectangle) { return element.cellBounds.Add (image.Pt ( x * element.cellBounds.Dx(), y * element.cellBounds.Dy())) } func hex (n uint32) (c color.RGBA) { c.A = uint8(n) c.B = uint8(n >> 8) c.G = uint8(n >> 16) c.R = uint8(n >> 24) return } func uhex (n uint32) (artist.Pattern) { return artist.NewUniform (color.RGBA { A: uint8(n), B: uint8(n >> 8), G: uint8(n >> 16), R: uint8(n >> 24), }) }