func drawInnerSlicedBox(pos, size mgl64.Vec2, borderColor, backgroundColor mgl64.Vec3) {
if size[0] == 0 || size[1] == 0 {
return
}
const OuterDistance = 2.5
gl.Begin(gl.POLYGON)
gl.Color3dv((*float64)(&borderColor[0]))
gl.Vertex2d(float64(pos[0]+OuterDistance), float64(pos[1]))
gl.Vertex2d(float64(pos[0]), float64(pos[1]+OuterDistance))
gl.Vertex2d(float64(pos[0]), float64(pos[1]-OuterDistance+size[1]))
gl.Vertex2d(float64(pos[0]+OuterDistance), float64(pos[1]+size[1]))
gl.Vertex2d(float64(pos[0]-OuterDistance+size[0]), float64(pos[1]+size[1]))
gl.Vertex2d(float64(pos[0]+size[0]), float64(pos[1]-OuterDistance+size[1]))
gl.Vertex2d(float64(pos[0]+size[0]), float64(pos[1]+OuterDistance))
gl.Vertex2d(float64(pos[0]-OuterDistance+size[0]), float64(pos[1]))
gl.End()
const InnerDistance = OuterDistance + (math.Sqrt2 - 1)
gl.Begin(gl.POLYGON)
gl.Color3dv((*float64)(&backgroundColor[0]))
gl.Vertex2d(float64(pos[0]+InnerDistance), float64(pos[1]+1))
gl.Vertex2d(float64(pos[0]+1), float64(pos[1]+InnerDistance))
gl.Vertex2d(float64(pos[0]+1), float64(pos[1]-InnerDistance+size[1]))
gl.Vertex2d(float64(pos[0]+InnerDistance), float64(pos[1]-1+size[1]))
gl.Vertex2d(float64(pos[0]-InnerDistance+size[0]), float64(pos[1]-1+size[1]))
gl.Vertex2d(float64(pos[0]-1+size[0]), float64(pos[1]-InnerDistance+size[1]))
gl.Vertex2d(float64(pos[0]-1+size[0]), float64(pos[1]+InnerDistance))
gl.Vertex2d(float64(pos[0]-InnerDistance+size[0]), float64(pos[1]+1))
gl.End()
}
// Shouldn't have tabs nor newlines
func (o *OpenGlStream) PrintSegment(s string) {
if s == "" {
return
}
if o.BackgroundColor != nil && o.BorderColor == nil {
gl.PushAttrib(gl.CURRENT_BIT)
gl.Color3dv((*float64)(&o.BackgroundColor[0]))
gl.PushMatrix()
gl.Translated(float64(o.pos[0]), float64(o.pos[1]), 0)
for range s {
gl.CallList(oFontBackground)
}
gl.PopMatrix()
gl.PopAttrib()
}
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_LOD_BIAS, float32(lodBias*0.01))
gl.Enable(gl.BLEND)
defer gl.Disable(gl.BLEND)
gl.Enable(gl.TEXTURE_2D)
defer gl.Disable(gl.TEXTURE_2D)
gl.PushMatrix()
gl.Translated(float64(o.pos[0]), float64(o.pos[1]), 0)
gl.ListBase(oFontBase + uint32(o.FontOptions)*96)
gl.CallLists(int32(len(s)), gl.UNSIGNED_BYTE, gl.Ptr(&[]byte(s)[0]))
gl.PopMatrix()
//CheckGLError()
}
func (w *MultitouchTestBoxWidget) Render() {
colors := [...]mgl64.Vec3{
{0 / 255.0, 140 / 255.0, 0 / 255.0},
{0 / 255.0, 98 / 255.0, 140 / 255.0},
{194 / 255.0, 74 / 255.0, 0 / 255.0},
{89 / 255.0, 0 / 255.0, 140 / 255.0},
{191 / 255.0, 150 / 255.0, 0 / 255.0},
{140 / 255.0, 0 / 255.0, 0 / 255.0},
}
backgroundColor := colors[w.color]
//borderColor := backgroundColor
switch 1 {
case 0:
DrawBorderlessBox(w.pos, mgl64.Vec2{200, 200}, backgroundColor)
case 1:
gl.PushMatrix()
gl.Translated(w.pos[0], w.pos[1], 0)
gl.Color3dv(&backgroundColor[0])
gl.EnableClientState(gl.VERTEX_ARRAY)
gl.BindBuffer(gl.ARRAY_BUFFER, w.buffer)
gl.VertexPointer(2, gl.FLOAT, 0, nil)
gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4)
gl.PopMatrix()
}
}
func drawInnerRoundedBox(pos, size mgl64.Vec2, borderColor, backgroundColor mgl64.Vec3) {
if size[0] == 0 || size[1] == 0 {
return
}
const totalSlices = 4 * 16
const borderWidth = 1
const radius = 2.5 + borderWidth
var x = float64(totalSlices)
gl.Color3dv((*float64)(&backgroundColor[0]))
gl.Begin(gl.TRIANGLE_STRIP)
for i := 0; i <= totalSlices/4; i++ {
gl.Vertex2d(pos[0]+size[0]-radius+math.Sin(Tau*float64(i)/x)*(radius-borderWidth), pos[1]+radius-math.Cos(Tau*float64(i)/x)*(radius-borderWidth))
gl.Vertex2d(pos[0]+radius+math.Sin(Tau*float64(totalSlices-i)/x)*(radius-borderWidth), pos[1]+radius-math.Cos(Tau*float64(totalSlices-i)/x)*(radius-borderWidth))
}
for i := totalSlices / 4; i <= totalSlices/2; i++ {
gl.Vertex2d(pos[0]+size[0]-radius+math.Sin(Tau*float64(i)/x)*(radius-borderWidth), pos[1]+size[1]-radius-math.Cos(Tau*float64(i)/x)*(radius-borderWidth))
gl.Vertex2d(pos[0]+radius+math.Sin(Tau*float64(totalSlices-i)/x)*(radius-borderWidth), pos[1]+size[1]-radius-math.Cos(Tau*float64(totalSlices-i)/x)*(radius-borderWidth))
}
gl.End()
gl.Color3dv((*float64)(&borderColor[0]))
gl.Begin(gl.TRIANGLE_STRIP)
gl.Vertex2d(pos[0]+radius, pos[1])
gl.Vertex2d(pos[0]+radius, pos[1]+borderWidth)
for i := 0; i <= totalSlices/4; i++ {
gl.Vertex2d(pos[0]+size[0]-radius+math.Sin(Tau*float64(i)/x)*radius, pos[1]+radius-math.Cos(Tau*float64(i)/x)*radius)
gl.Vertex2d(pos[0]+size[0]-radius+math.Sin(Tau*float64(i)/x)*(radius-borderWidth), pos[1]+radius-math.Cos(Tau*float64(i)/x)*(radius-borderWidth))
}
for i := totalSlices / 4; i <= totalSlices/2; i++ {
gl.Vertex2d(pos[0]+size[0]-radius+math.Sin(Tau*float64(i)/x)*radius, pos[1]+size[1]-radius-math.Cos(Tau*float64(i)/x)*radius)
gl.Vertex2d(pos[0]+size[0]-radius+math.Sin(Tau*float64(i)/x)*(radius-borderWidth), pos[1]+size[1]-radius-math.Cos(Tau*float64(i)/x)*(radius-borderWidth))
}
for i := totalSlices / 2; i <= totalSlices*3/4; i++ {
gl.Vertex2d(pos[0]+radius+math.Sin(Tau*float64(i)/x)*radius, pos[1]+size[1]-radius-math.Cos(Tau*float64(i)/x)*radius)
gl.Vertex2d(pos[0]+radius+math.Sin(Tau*float64(i)/x)*(radius-borderWidth), pos[1]+size[1]-radius-math.Cos(Tau*float64(i)/x)*(radius-borderWidth))
}
for i := totalSlices * 3 / 4; i <= totalSlices; i++ {
gl.Vertex2d(pos[0]+radius+math.Sin(Tau*float64(i)/x)*radius, pos[1]+radius-math.Cos(Tau*float64(i)/x)*radius)
gl.Vertex2d(pos[0]+radius+math.Sin(Tau*float64(i)/x)*(radius-borderWidth), pos[1]+radius-math.Cos(Tau*float64(i)/x)*(radius-borderWidth))
}
gl.End()
}
func (textStyle *TextStyle) Apply(glt *OpenGlStream) {
if textStyle == nil {
return
}
if textStyle.FontOptions != nil {
glt.FontOptions = *textStyle.FontOptions
}
if textStyle.TextColor != nil {
textColor := *textStyle.TextColor
gl.Color3dv((*float64)(&textColor[0]))
}
if textStyle.BorderColor != nil {
borderColor := *textStyle.BorderColor
glt.BorderColor = borderColor
}
if textStyle.BackgroundColor != nil {
backgroundColor := *textStyle.BackgroundColor
glt.BackgroundColor = backgroundColor
}
if textStyle.ShowInvisibles != nil {
glt.ShowInvisibles = *textStyle.ShowInvisibles
}
}
func DrawBorderlessBox(pos, size mgl64.Vec2, backgroundColor mgl64.Vec3) {
gl.Color3dv(&backgroundColor[0])
gl.Rectd(float64(pos[0]), float64(pos[1]), float64(pos.Add(size)[0]), float64(pos.Add(size)[1]))
}