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text/v2: rename LineHeight -> LineSpacingInPixels

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Updates #2454
This commit is contained in:
Hajime Hoshi 2023-11-17 01:17:29 +09:00
parent e7fa9d50de
commit 147175d400
9 changed files with 34 additions and 34 deletions
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2
examples/blocks/blocks/font.go
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@ -48,7 +48,7 @@ func drawTextWithShadow(rt *ebiten.Image, str string, x, y, scale int, clr color
op := &text.DrawOptions{}
op.GeoM.Translate(float64(x)+1, float64(y)+1)
op.ColorScale.ScaleWithColor(shadowColor)
op.LineHeight = arcadeFontBaseSize * float64(scale)
op.LineSpacingInPixels = arcadeFontBaseSize * float64(scale)
op.PrimaryAlign = primaryAlign
op.SecondaryAlign = secondaryAlign
text.Draw(rt, str, &text.GoTextFace{

8
examples/flappy/main.go
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@ -277,7 +277,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
op := &text.DrawOptions{}
op.GeoM.Translate(screenWidth/2, 3*titleFontSize)
op.ColorScale.ScaleWithColor(color.White)
op.LineHeight = titleFontSize
op.LineSpacingInPixels = titleFontSize
op.PrimaryAlign = text.AlignCenter
text.Draw(screen, titleTexts, &text.GoTextFace{
Source: arcadeFaceSource,
@ -287,7 +287,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
op = &text.DrawOptions{}
op.GeoM.Translate(screenWidth/2, 3*titleFontSize)
op.ColorScale.ScaleWithColor(color.White)
op.LineHeight = fontSize
op.LineSpacingInPixels = fontSize
op.PrimaryAlign = text.AlignCenter
text.Draw(screen, texts, &text.GoTextFace{
Source: arcadeFaceSource,
@ -300,7 +300,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
op := &text.DrawOptions{}
op.GeoM.Translate(screenWidth/2, screenHeight-smallFontSize/2)
op.ColorScale.ScaleWithColor(color.White)
op.LineHeight = smallFontSize
op.LineSpacingInPixels = smallFontSize
op.PrimaryAlign = text.AlignCenter
op.SecondaryAlign = text.AlignEnd
text.Draw(screen, msg, &text.GoTextFace{
@ -312,7 +312,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
op = &text.DrawOptions{}
op.GeoM.Translate(screenWidth, 0)
op.ColorScale.ScaleWithColor(color.White)
op.LineHeight = fontSize
op.LineSpacingInPixels = fontSize
op.PrimaryAlign = text.AlignEnd
text.Draw(screen, fmt.Sprintf("%04d", g.score()), &text.GoTextFace{
Source: arcadeFaceSource,

2
examples/keyboard/main.go
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@ -93,7 +93,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
// Use bitmapfont.Face instead of ebitenutil.DebugPrint, since some key names might not be printed with DebugPrint.
textOp := &text.DrawOptions{}
textOp.LineHeight = fontFace.Metrics().Height
textOp.LineSpacingInPixels = fontFace.Metrics().Height
text.Draw(screen, strings.Join(keyStrs, ", ")+"\n"+strings.Join(keyNames, ", "), fontFace, textOp)
}

14
examples/text/main.go
View File

@ -68,7 +68,7 @@ func (g *Game) Update() error {
// Initialize the glyphs for special (colorful) rendering.
if len(g.glyphs) == 0 {
op := &text.LayoutOptions{}
op.LineHeight = mplusNormalFace.Metrics().Height
op.LineSpacingInPixels = mplusNormalFace.Metrics().Height
g.glyphs = text.AppendGlyphs(g.glyphs, sampleText, mplusNormalFace, op)
}
return nil
@ -83,7 +83,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
vector.DrawFilledRect(screen, x, y, float32(w), float32(h), gray, false)
op := &text.DrawOptions{}
op.GeoM.Translate(x, y)
op.LineHeight = mplusNormalFace.Metrics().Height
op.LineSpacingInPixels = mplusNormalFace.Metrics().Height
text.Draw(screen, sampleText, mplusNormalFace, op)
}
{
@ -92,7 +92,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
vector.DrawFilledRect(screen, x, y, float32(w), float32(h), gray, false)
op := &text.DrawOptions{}
op.GeoM.Translate(x, y)
op.LineHeight = mplusBigFace.Metrics().Height
op.LineSpacingInPixels = mplusBigFace.Metrics().Height
text.Draw(screen, sampleText, mplusBigFace, op)
}
{
@ -101,19 +101,19 @@ func (g *Game) Draw(screen *ebiten.Image) {
op.GeoM.Rotate(math.Pi / 4)
op.GeoM.Translate(x, y)
op.Filter = ebiten.FilterLinear
op.LineHeight = mplusNormalFace.Metrics().Height
op.LineSpacingInPixels = mplusNormalFace.Metrics().Height
text.Draw(screen, sampleText, mplusNormalFace, op)
}
{
const x, y = 160, 220
const lineHeight = 80
w, h := text.Measure(sampleText, mplusBigFace, lineHeight)
const lineSpacingInPixels = 80
w, h := text.Measure(sampleText, mplusBigFace, lineSpacingInPixels)
vector.DrawFilledRect(screen, x, y, float32(w), float32(h), gray, false)
op := &text.DrawOptions{}
// Add the width as the text rendering region's upper-right position comes to (0, 0)
// when the horizontal alignment is right. The alignment is specified later (PrimaryAlign).
op.GeoM.Translate(x+w, y)
op.LineHeight = lineHeight
op.LineSpacingInPixels = lineSpacingInPixels
// The primary alignment for the left-to-right direction is a horizontal alignment, and the end means the right.
op.PrimaryAlign = text.AlignEnd
text.Draw(screen, sampleText, mplusBigFace, op)

2
examples/texti18n/main.go
View File

@ -126,7 +126,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
op.GeoM.Reset()
op.GeoM.Translate(screenWidth-20, 210)
op.LineHeight = 48
op.LineSpacingInPixels = 48
text.Draw(screen, japaneseText, &text.GoTextFace{
Source: japaneseFaceSource,
Direction: text.DirectionTopToBottomAndRightToLeft,

6
examples/textinput/main.go
View File

@ -91,7 +91,7 @@ func (t *TextField) textIndexByCursorPosition(x, y int) (int, bool) {
y = 0
}
lineHeight := int(fontFace.Metrics().Height)
lineSpacingInPixels := int(fontFace.Metrics().Height)
var nlCount int
var lineStart int
var prevAdvance float64
@ -113,7 +113,7 @@ func (t *TextField) textIndexByCursorPosition(x, y int) (int, bool) {
} else {
x1 = int(currentAdvance)
}
if x0 <= x && x < x1 && nlCount*lineHeight <= y && y < (nlCount+1)*lineHeight {
if x0 <= x && x < x1 && nlCount*lineSpacingInPixels <= y && y < (nlCount+1)*lineSpacingInPixels {
return i, true
}
prevAdvance = currentAdvance
@ -288,7 +288,7 @@ func (t *TextField) Draw(screen *ebiten.Image) {
op := &text.DrawOptions{}
op.GeoM.Translate(float64(tx), float64(ty))
op.ColorScale.ScaleWithColor(color.Black)
op.LineHeight = fontFace.Metrics().Height
op.LineSpacingInPixels = fontFace.Metrics().Height
text.Draw(screen, shownText, fontFace, op)
}

12
examples/ui/main.go
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@ -31,8 +31,8 @@ import (
)
const (
uiFontSize = 12
lineHeight = 16
uiFontSize = 12
lineSpacingInPixels = 16
)
var (
@ -180,7 +180,7 @@ func (b *Button) Draw(dst *ebiten.Image) {
op := &text.DrawOptions{}
op.GeoM.Translate(float64(b.Rect.Min.X+b.Rect.Max.X)/2, float64(b.Rect.Min.Y+b.Rect.Max.Y)/2)
op.ColorScale.ScaleWithColor(color.Black)
op.LineHeight = lineHeight
op.LineSpacingInPixels = lineSpacingInPixels
op.PrimaryAlign = text.AlignCenter
op.SecondaryAlign = text.AlignCenter
text.Draw(dst, b.Text, &text.GoTextFace{
@ -319,7 +319,7 @@ func (t *TextBox) Update() {
}
func (t *TextBox) contentSize() (int, int) {
h := len(strings.Split(t.Text, "\n"))*lineHeight + textBoxPaddingTop
h := len(strings.Split(t.Text, "\n"))*lineSpacingInPixels + textBoxPaddingTop
return t.Rect.Dx(), h
}
@ -340,7 +340,7 @@ func (t *TextBox) Draw(dst *ebiten.Image) {
textOp.GeoM.Translate(x, y)
textOp.GeoM.Translate(float64(t.Rect.Min.X), float64(t.Rect.Min.Y))
textOp.ColorScale.ScaleWithColor(color.Black)
textOp.LineHeight = lineHeight
textOp.LineSpacingInPixels = lineSpacingInPixels
text.Draw(dst.SubImage(t.Rect).(*ebiten.Image), t.Text, &text.GoTextFace{
Source: uiFaceSource,
Size: uiFontSize,
@ -409,7 +409,7 @@ func (c *CheckBox) Draw(dst *ebiten.Image) {
op := &text.DrawOptions{}
op.GeoM.Translate(float64(x), float64(y))
op.ColorScale.ScaleWithColor(color.Black)
op.LineHeight = lineHeight
op.LineSpacingInPixels = lineSpacingInPixels
op.PrimaryAlign = text.AlignStart
op.SecondaryAlign = text.AlignCenter
text.Draw(dst, c.Text, &text.GoTextFace{

16
text/v2/layout.go
View File

@ -45,8 +45,8 @@ type DrawOptions struct {
// PrimaryAlign and SecondaryAlign determine where to put the text in the given region at Draw.
// Draw might render the text outside of the specified image bounds, so you might have to specify GeoM to make the text visible.
type LayoutOptions struct {
// LineHeight is a line height in pixels.
LineHeight float64
// LineSpacingInPixels is a distance between two adjacent lines's baselines.
LineSpacingInPixels float64
// PrimaryAlign is an alignment of the primary direction, in which a text in one line is rendered.
// The primary direction is the horizontal direction for a horizontal-direction face,
@ -162,9 +162,9 @@ func appendGlyphs(glyphs []Glyph, text string, face Face, x, y float64, options
var boundaryWidth, boundaryHeight float64
if d.isHorizontal() {
boundaryWidth = longestAdvance
boundaryHeight = float64(lineCount-1)*options.LineHeight + m.HAscent + m.HDescent
boundaryHeight = float64(lineCount-1)*options.LineSpacingInPixels + m.HAscent + m.HDescent
} else {
boundaryWidth = float64(lineCount-1)*options.LineHeight + m.VAscent + m.VDescent
boundaryWidth = float64(lineCount-1)*options.LineSpacingInPixels + m.VAscent + m.VDescent
boundaryHeight = longestAdvance
}
@ -244,13 +244,13 @@ func appendGlyphs(glyphs []Glyph, text string, face Face, x, y float64, options
// Advance the origin position in the secondary direction.
switch face.direction() {
case DirectionLeftToRight:
originY += options.LineHeight
originY += options.LineSpacingInPixels
case DirectionRightToLeft:
originY += options.LineHeight
originY += options.LineSpacingInPixels
case DirectionTopToBottomAndLeftToRight:
originX += options.LineHeight
originX += options.LineSpacingInPixels
case DirectionTopToBottomAndRightToLeft:
originX -= options.LineHeight
originX -= options.LineSpacingInPixels
}
}

6
text/v2/text.go
View File

@ -195,7 +195,7 @@ func (d Direction) isHorizontal() bool {
// With a vertical direction face, the width and the height are calculated in an opposite manner.
//
// Measure is concurrent-safe.
func Measure(text string, face Face, lineHeight float64) (width, height float64) {
func Measure(text string, face Face, lineSpacingInPixels float64) (width, height float64) {
if text == "" {
return 0, 0
}
@ -218,10 +218,10 @@ func Measure(text string, face Face, lineHeight float64) (width, height float64)
m := face.Metrics()
if face.direction().isHorizontal() {
secondary := float64(lineCount-1)*lineHeight + m.HAscent + m.HDescent
secondary := float64(lineCount-1)*lineSpacingInPixels + m.HAscent + m.HDescent
return primary, secondary
}
secondary := float64(lineCount-1)*lineHeight + m.VAscent + m.VDescent
secondary := float64(lineCount-1)*lineSpacingInPixels + m.VAscent + m.VDescent
return secondary, primary
}