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direct-draw #6

Merged
sashakoshka merged 10 commits from direct-draw into main 2023-01-31 21:05:26 -07:00
Conversation 0 Commits 10 Files Changed 21 +47 -45
13 changed files with 47 additions and 45 deletions
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Showing only changes of commit 2f9504b1e4 - Show all commits

6
elements/basic/button.go
View File

@ -121,7 +121,7 @@ func (element *Button) SetText (text string) {
}
func (element *Button) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
pattern, inset := theme.ButtonPattern(theme.PatternState {
Case: buttonCase,
@ -130,7 +130,7 @@ func (element *Button) draw () {
Pressed: element.pressed,
})
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
innerBounds := inset.Apply(bounds)
@ -149,5 +149,5 @@ func (element *Button) draw () {
Case: buttonCase,
Disabled: !element.Enabled(),
})
element.drawer.Draw(element.core, foreground, offset)
element.drawer.Draw(element, foreground, offset)
}

10
elements/basic/checkbox.go
View File

@ -133,13 +133,13 @@ func (element *Checkbox) SetText (text string) {
}
func (element *Checkbox) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
boxBounds := image.Rect(0, 0, bounds.Dy(), bounds.Dy())
backgroundPattern, _ := theme.BackgroundPattern(theme.PatternState {
Case: checkboxCase,
})
artist.FillRectangle ( element.core, backgroundPattern, bounds)
artist.FillRectangle(element, backgroundPattern, bounds)
pattern, inset := theme.ButtonPattern(theme.PatternState {
Case: checkboxCase,
@ -147,7 +147,7 @@ func (element *Checkbox) draw () {
Focused: element.Focused(),
Pressed: element.pressed,
})
artist.FillRectangle(element.core, pattern, boxBounds)
artist.FillRectangle(element, pattern, boxBounds)
textBounds := element.drawer.LayoutBounds()
offset := image.Point {
@ -161,10 +161,10 @@ func (element *Checkbox) draw () {
Case: checkboxCase,
Disabled: !element.Enabled(),
})
element.drawer.Draw(element.core, foreground, offset)
element.drawer.Draw(element, foreground, offset)
if element.checked {
checkBounds := inset.Apply(boxBounds).Inset(2)
artist.FillRectangle(element.core, foreground, checkBounds)
artist.FillRectangle(element, foreground, checkBounds)
}
}

4
elements/basic/container.go
View File

@ -201,11 +201,11 @@ func (element *Container) redoAll () {
element.recalculate()
// draw a background
bounds := element.core.Bounds()
bounds := element.Bounds()
pattern, _ := theme.BackgroundPattern (theme.PatternState {
Case: containerCase,
})
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
// resize all elements, having them draw onto us
for _, entry := range element.children {

6
elements/basic/label.go
View File

@ -107,19 +107,19 @@ func (element *Label) updateMinimumSize () {
}
func (element *Label) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
pattern, _ := theme.BackgroundPattern(theme.PatternState {
Case: labelCase,
})
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
textBounds := element.drawer.LayoutBounds()
foreground, _ := theme.ForegroundPattern (theme.PatternState {
Case: labelCase,
})
element.drawer.Draw (element.core, foreground, image.Point {
element.drawer.Draw (element, foreground, image.Point {
X: 0 - textBounds.Min.X,
Y: 0 - textBounds.Min.Y,
})

2
elements/basic/list.go
View File

@ -376,7 +376,7 @@ func (element *List) draw () {
Disabled: !element.Enabled(),
Focused: element.Focused(),
})
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
bounds = inset.Apply(bounds)
dot := image.Point {

6
elements/basic/progressbar.go
View File

@ -32,15 +32,15 @@ func (element *ProgressBar) SetProgress (progress float64) {
}
func (element *ProgressBar) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
pattern, inset := theme.SunkenPattern(theme.PatternState { })
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
bounds = inset.Apply(bounds)
meterBounds := image.Rect (
bounds.Min.X, bounds.Min.Y,
bounds.Min.X + int(float64(bounds.Dx()) * element.progress),
bounds.Max.Y)
accent, _ := theme.AccentPattern(theme.PatternState { })
artist.FillRectangle(element.core, accent, meterBounds)
artist.FillRectangle(element, accent, meterBounds)
}

2
elements/basic/scrollcontainer.go
View File

@ -358,7 +358,7 @@ func (element *ScrollContainer) recalculate () {
}
func (element *ScrollContainer) draw () {
artist.Paste(element.core, element.child, image.Point { })
artist.Paste(element, element.child, image.Point { })
deadPattern, _ := theme.DeadPattern(theme.PatternState {
Case: scrollContainerCase,
})

6
elements/basic/spacer.go
View File

@ -34,19 +34,19 @@ func (element *Spacer) SetLine (line bool) {
}
func (element *Spacer) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
if element.line {
pattern, _ := theme.ForegroundPattern(theme.PatternState {
Case: spacerCase,
Disabled: true,
})
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
} else {
pattern, _ := theme.BackgroundPattern(theme.PatternState {
Case: spacerCase,
Disabled: true,
})
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
}
}

10
elements/basic/switch.go
View File

@ -140,13 +140,13 @@ func (element *Switch) calculateMinimumSize () {
}
func (element *Switch) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
handleBounds := image.Rect(0, 0, bounds.Dy(), bounds.Dy())
gutterBounds := image.Rect(0, 0, bounds.Dy() * 2, bounds.Dy())
backgroundPattern, _ := theme.BackgroundPattern(theme.PatternState {
Case: switchCase,
})
artist.FillRectangle ( element.core, backgroundPattern, bounds)
artist.FillRectangle (element, backgroundPattern, bounds)
if element.checked {
handleBounds.Min.X += bounds.Dy()
@ -168,7 +168,7 @@ func (element *Switch) draw () {
Focused: element.Focused(),
Pressed: element.pressed,
})
artist.FillRectangle(element.core, gutterPattern, gutterBounds)
artist.FillRectangle(element, gutterPattern, gutterBounds)
handlePattern, _ := theme.HandlePattern(theme.PatternState {
Case: switchCase,
@ -176,7 +176,7 @@ func (element *Switch) draw () {
Focused: element.Focused(),
Pressed: element.pressed,
})
artist.FillRectangle(element.core, handlePattern, handleBounds)
artist.FillRectangle(element, handlePattern, handleBounds)
textBounds := element.drawer.LayoutBounds()
offset := image.Point {
@ -190,5 +190,5 @@ func (element *Switch) draw () {
Case: switchCase,
Disabled: !element.Enabled(),
})
element.drawer.Draw(element.core, foreground, offset)
element.drawer.Draw(element, foreground, offset)
}

12
elements/basic/textbox.go
View File

@ -257,7 +257,7 @@ func (element *TextBox) runOnChange () {
func (element *TextBox) scrollToCursor () {
if !element.core.HasImage() { return }
bounds := element.core.Bounds().Inset(theme.Padding())
bounds := element.Bounds().Inset(theme.Padding())
bounds.Max.X -= element.valueDrawer.Em().Round()
cursorPosition := element.valueDrawer.PositionOf(element.cursor)
cursorPosition.X -= element.scroll
@ -272,7 +272,7 @@ func (element *TextBox) scrollToCursor () {
}
func (element *TextBox) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
// FIXME: take index into account
pattern, inset := theme.InputPattern(theme.PatternState {
@ -280,7 +280,7 @@ func (element *TextBox) draw () {
Disabled: !element.Enabled(),
Focused: element.Focused(),
})
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
if len(element.text) == 0 && !element.Focused() {
// draw placeholder
@ -294,7 +294,7 @@ func (element *TextBox) draw () {
Disabled: true,
})
element.placeholderDrawer.Draw (
element.core,
element,
foreground,
offset.Sub(textBounds.Min))
} else {
@ -309,7 +309,7 @@ func (element *TextBox) draw () {
Disabled: !element.Enabled(),
})
element.valueDrawer.Draw (
element.core,
element,
foreground,
offset.Sub(textBounds.Min))
@ -321,7 +321,7 @@ func (element *TextBox) draw () {
Case: textBoxCase,
})
artist.Line (
element.core,
element,
foreground, 1,
cursorPosition.Add(offset),
image.Pt (

10
elements/core/core.go
View File

@ -65,6 +65,9 @@ func (core *Core) MinimumSize () (width, height int) {
// overridden.
func (core *Core) DrawTo (canvas tomo.Canvas) {
core.canvas = canvas
if core.drawSizeChange != nil {
core.drawSizeChange()
}
}
// OnDamage fulfils the tomo.Element interface. This should not need to be
@ -84,28 +87,27 @@ func (core *Core) OnMinimumSizeChange (callback func ()) {
// instead kept as a private member. When a Core struct is created, a
// corresponding CoreControl struct is linked to it and returned alongside it.
type CoreControl struct {
tomo.BasicCanvas
core *Core
}
// HasImage returns true if the core has an allocated image buffer, and false if
// it doesn't.
func (control CoreControl) HasImage () (has bool) {
return control.core.canvas != nil
return control.core.canvas != nil && !control.core.canvas.Bounds().Empty()
}
// DamageRegion pushes the selected region of pixels to the parent element. This
// does not need to be called when responding to a resize event.
func (control CoreControl) DamageRegion (bounds image.Rectangle) {
if control.core.onDamage != nil {
control.core.onDamage(tomo.Cut(control, bounds))
control.core.onDamage(tomo.Cut(control.core, bounds))
}
}
// DamageAll pushes all pixels to the parent element. This does not need to be
// called when redrawing in response to a change in size.
func (control CoreControl) DamageAll () {
control.DamageRegion(control.Bounds())
control.DamageRegion(control.core.Bounds())
}
// SetMinimumSize sets the minimum size of this element, notifying the parent

6
elements/fun/clock.go
View File

@ -35,7 +35,7 @@ func (element *AnalogClock) SetTime (newTime time.Time) {
}
func (element *AnalogClock) draw () {
bounds := element.core.Bounds()
bounds := element.Bounds()
pattern, inset := theme.SunkenPattern(theme.PatternState {
Case: clockCase,
@ -81,7 +81,7 @@ func (element *AnalogClock) radialLine (
outer float64,
radian float64,
) {
bounds := element.core.Bounds()
bounds := element.Bounds()
width := float64(bounds.Dx()) / 2
height := float64(bounds.Dy()) / 2
min := image.Pt (
@ -91,5 +91,5 @@ func (element *AnalogClock) radialLine (
int(math.Cos(radian) * outer * width + width),
int(math.Sin(radian) * outer * height + height))
// println(min.String(), max.String())
artist.Line(element.core, source, 1, min, max)
artist.Line(element, source, 1, min, max)
}

12
elements/testing/mouse.go
View File

@ -29,17 +29,17 @@ func NewMouse () (element *Mouse) {
func (element *Mouse) draw () {
bounds := element.Bounds()
pattern, _ := theme.AccentPattern(theme.PatternState { })
artist.FillRectangle(element.core, pattern, bounds)
artist.FillRectangle(element, pattern, bounds)
artist.StrokeRectangle (
element.core,
element,
artist.NewUniform(color.Black), 1,
bounds)
artist.Line (
element.core, artist.NewUniform(color.White), 1,
element, artist.NewUniform(color.White), 1,
image.Pt(1, 1),
image.Pt(bounds.Dx() - 2, bounds.Dy() - 2))
artist.Line (
element.core, artist.NewUniform(color.White), 1,
element, artist.NewUniform(color.White), 1,
image.Pt(1, bounds.Dy() - 2),
image.Pt(bounds.Dx() - 2, 1))
}
@ -53,7 +53,7 @@ func (element *Mouse) HandleMouseUp (x, y int, button tomo.Button) {
element.drawing = false
mousePos := image.Pt(x, y)
element.core.DamageRegion (artist.Line (
element.core, element.color, 1,
element, element.color, 1,
element.lastMousePos, mousePos))
element.lastMousePos = mousePos
}
@ -62,7 +62,7 @@ func (element *Mouse) HandleMouseMove (x, y int) {
if !element.drawing { return }
mousePos := image.Pt(x, y)
element.core.DamageRegion (artist.Line (
element.core, element.color, 1,
element, element.color, 1,
element.lastMousePos, mousePos))
element.lastMousePos = mousePos
}