func (a *customAdapter) Create(theme gxui.Theme, index int) gxui.Control {
phase := float32(index) / 1000
c := gxui.Color{
R: 0.5 + 0.5*math.Sinf(math.TwoPi*(phase+0.000)),
G: 0.5 + 0.5*math.Sinf(math.TwoPi*(phase+0.333)),
B: 0.5 + 0.5*math.Sinf(math.TwoPi*(phase+0.666)),
A: 1.0,
}
i := theme.CreateImage()
i.SetBackgroundBrush(gxui.CreateBrush(c))
i.SetMargin(math.Spacing{L: 3, T: 3, R: 3, B: 3})
i.OnMouseEnter(func(ev gxui.MouseEvent) {
i.SetBorderPen(gxui.CreatePen(2, gxui.Gray80))
})
i.OnMouseExit(func(ev gxui.MouseEvent) {
i.SetBorderPen(gxui.TransparentPen)
})
i.OnMouseDown(func(ev gxui.MouseEvent) {
i.SetBackgroundBrush(gxui.CreateBrush(c.MulRGB(0.7)))
})
i.OnMouseUp(func(ev gxui.MouseEvent) {
i.SetBackgroundBrush(gxui.CreateBrush(c))
})
return i
}
func (b *blitter) blitGlyph(ctx *context, tc *textureContext, c gxui.Color, srcRect, dstRect math.Rect, ds *drawState) {
dstRect = dstRect.Offset(ds.OriginPixels)
if b.glyphBatch.GlyphPage != tc {
b.commitGlyphs(ctx)
b.glyphBatch.GlyphPage = tc
}
i := uint16(len(b.glyphBatch.DstRects)) / 2
clip := []float32{
float32(ds.ClipPixels.Min.X),
float32(ds.ClipPixels.Min.Y),
float32(ds.ClipPixels.Max.X),
float32(ds.ClipPixels.Max.Y),
}
b.glyphBatch.DstRects = append(b.glyphBatch.DstRects,
float32(dstRect.Min.X), float32(dstRect.Min.Y),
float32(dstRect.Max.X), float32(dstRect.Min.Y),
float32(dstRect.Min.X), float32(dstRect.Max.Y),
float32(dstRect.Max.X), float32(dstRect.Max.Y),
)
b.glyphBatch.SrcRects = append(b.glyphBatch.SrcRects,
float32(srcRect.Min.X), float32(srcRect.Min.Y),
float32(srcRect.Max.X), float32(srcRect.Min.Y),
float32(srcRect.Min.X), float32(srcRect.Max.Y),
float32(srcRect.Max.X), float32(srcRect.Max.Y),
)
b.glyphBatch.ClipRects = append(b.glyphBatch.ClipRects,
clip[0], clip[1], clip[2], clip[3],
clip[0], clip[1], clip[2], clip[3],
clip[0], clip[1], clip[2], clip[3],
clip[0], clip[1], clip[2], clip[3],
)
c = c.MulRGB(c.A) // PMA
b.glyphBatch.Colors = append(b.glyphBatch.Colors,
c.R, c.G, c.B, c.A,
c.R, c.G, c.B, c.A,
c.R, c.G, c.B, c.A,
c.R, c.G, c.B, c.A,
)
b.glyphBatch.Indices = append(b.glyphBatch.Indices,
i, i+1, i+2,
i+2, i+1, i+3,
)
}