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Start supporting setting bg color from ansi code

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This commit is contained in:
bloeys
2022-08-02 06:08:07 +04:00
parent d296fb2dd6
commit c0c5baa98c
3 changed files with 39 additions and 22 deletions
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6
ansi/ansi.go
View File

@ -131,6 +131,10 @@ const (
AnsiCodeOptions_Unknown AnsiCodeOptions = 0
)
func (a AnsiCodeOptions) HasOptions(opts AnsiCodeOptions) bool {
return a&opts != 0
}
type AnsiCodeInfo struct {
Type CSIType
// When type is CSIType_SGR and the code is reset info1.X=-1
@ -278,6 +282,8 @@ func ParseSGRArgs(info *AnsiCodeInfo, args []byte) {
continue
}
// @TODO We can't use this setup of one info field because one ansi code can have many settings.
// For example, it can set Fg+Bg at once. So we need info per option.
intCode := getSgrIntCodeFromBytes(a)
if intCode >= 30 && intCode <= 37 || intCode >= 90 && intCode <= 97 {

53
main.go
View File

@ -35,8 +35,9 @@ import (
)
type Settings struct {
DefaultColor gglm.Vec4
StringColor gglm.Vec4
DefaultFgColor gglm.Vec4
DefaultBgColor gglm.Vec4
StringColor gglm.Vec4
MaxFps int
LimitFps bool
@ -163,10 +164,11 @@ func main() {
scrollSpd: defaultScrollSpd,
Settings: &Settings{
DefaultColor: *gglm.NewVec4(1, 1, 1, 1),
StringColor: *gglm.NewVec4(242/255.0, 244/255.0, 10/255.0, 1),
MaxFps: 120,
LimitFps: true,
DefaultFgColor: *gglm.NewVec4(1, 1, 1, 1),
DefaultBgColor: *gglm.NewVec4(0, 0, 0, 0),
StringColor: *gglm.NewVec4(242/255.0, 244/255.0, 10/255.0, 1),
MaxFps: 120,
LimitFps: true,
},
firstValidLine: &Line{},
@ -218,8 +220,8 @@ func (p *nterm) Init() {
panic("Failed to create atlas from font file. Err: " + err.Error())
}
p.GlyphRend.OptValues.BgColor = gglm.NewVec4(1, 0, 0, 0.25)
// p.GlyphRend.SetOpts(glyphs.GlyphRendOpt_BgColor)
p.GlyphRend.OptValues.BgColor = gglm.NewVec4(0, 0, 0, 0)
p.GlyphRend.SetOpts(glyphs.GlyphRendOpt_BgColor)
// if consts.Mode_Debug {
// glyphs.SaveImgToPNG(p.GlyphRend.Atlas.Img, "./debug-atlas.png")
@ -389,10 +391,13 @@ func (nt *nterm) ReadInputs() {
func (p *nterm) DrawTextAnsiCodes(bs []byte, pos gglm.Vec3) gglm.Vec3 {
currColor := p.Settings.DefaultColor
currFgColor := p.Settings.DefaultFgColor
currBgColor := p.Settings.DefaultBgColor
draw := func(rs []rune) {
p.GlyphRend.OptValues.BgColor.Data = currBgColor.Data
startIndex := 0
for i := 0; i < len(rs); i++ {
@ -400,7 +405,7 @@ func (p *nterm) DrawTextAnsiCodes(bs []byte, pos gglm.Vec3) gglm.Vec3 {
// @PERF We could probably use bytes.IndexByte here
if r == '\n' {
pos.Data = p.GlyphRend.DrawTextOpenGLAbsRectWithStartPos(rs[startIndex:i], &pos, gglm.NewVec3(0, 0, 0), gglm.NewVec2(float32(p.GlyphRend.ScreenWidth), 2*p.GlyphRend.Atlas.LineHeight), &currColor).Data
pos.Data = p.GlyphRend.DrawTextOpenGLAbsRectWithStartPos(rs[startIndex:i], &pos, gglm.NewVec3(0, 0, 0), gglm.NewVec2(float32(p.GlyphRend.ScreenWidth), 2*p.GlyphRend.Atlas.LineHeight), &currFgColor).Data
pos.SetX(0)
pos.AddY(-p.GlyphRend.Atlas.LineHeight)
startIndex = i + 1
@ -409,7 +414,7 @@ func (p *nterm) DrawTextAnsiCodes(bs []byte, pos gglm.Vec3) gglm.Vec3 {
}
if startIndex < len(rs) {
pos.Data = p.GlyphRend.DrawTextOpenGLAbsRectWithStartPos(rs[startIndex:], &pos, gglm.NewVec3(0, 0, 0), gglm.NewVec2(float32(p.GlyphRend.ScreenWidth), 2*p.GlyphRend.Atlas.LineHeight), &currColor).Data
pos.Data = p.GlyphRend.DrawTextOpenGLAbsRectWithStartPos(rs[startIndex:], &pos, gglm.NewVec3(0, 0, 0), gglm.NewVec2(float32(p.GlyphRend.ScreenWidth), 2*p.GlyphRend.Atlas.LineHeight), &currFgColor).Data
}
}
@ -427,12 +432,20 @@ func (p *nterm) DrawTextAnsiCodes(bs []byte, pos gglm.Vec3) gglm.Vec3 {
//Apply code
info := ansi.InfoFromAnsiCode(code)
if info.Options&ansi.AnsiCodeOptions_ColorFg != 0 {
if info.Options.HasOptions(ansi.AnsiCodeOptions_ColorFg) {
if info.Info1.X() == -1 {
currColor = p.Settings.DefaultColor
currFgColor = p.Settings.DefaultFgColor
} else {
currColor = info.Info1
currFgColor = info.Info1
}
}
if info.Options.HasOptions(ansi.AnsiCodeOptions_ColorBg) {
if info.Info1.X() == -1 {
currBgColor = p.Settings.DefaultBgColor
} else {
currBgColor = info.Info1
}
}
@ -447,7 +460,7 @@ func (p *nterm) SyntaxHighlightAndDraw(text []rune, pos gglm.Vec3) gglm.Vec3 {
startIndex := 0
startPos := pos.Clone()
currColor := &p.Settings.DefaultColor
currColor := &p.Settings.DefaultFgColor
inSingleString := false
inDoubleString := false
@ -485,7 +498,7 @@ func (p *nterm) SyntaxHighlightAndDraw(text []rune, pos gglm.Vec3) gglm.Vec3 {
pos.Data = p.GlyphRend.DrawTextOpenGLAbs(text[startIndex:i+1], &pos, currColor).Data
startIndex = i + 1
inDoubleString = false
currColor = &p.Settings.DefaultColor
currColor = &p.Settings.DefaultFgColor
case '\'':
if inDoubleString {
@ -504,7 +517,7 @@ func (p *nterm) SyntaxHighlightAndDraw(text []rune, pos gglm.Vec3) gglm.Vec3 {
pos.Data = p.GlyphRend.DrawTextOpenGLAbs(text[startIndex:i+1], &pos, &p.Settings.StringColor).Data
startIndex = i + 1
inSingleString = false
currColor = &p.Settings.DefaultColor
currColor = &p.Settings.DefaultFgColor
}
}
@ -512,7 +525,7 @@ func (p *nterm) SyntaxHighlightAndDraw(text []rune, pos gglm.Vec3) gglm.Vec3 {
if inDoubleString || inSingleString {
pos.Data = p.GlyphRend.DrawTextOpenGLAbs(text[startIndex:], &pos, &p.Settings.StringColor).Data
} else {
pos.Data = p.GlyphRend.DrawTextOpenGLAbs(text[startIndex:], &pos, &p.Settings.DefaultColor).Data
pos.Data = p.GlyphRend.DrawTextOpenGLAbs(text[startIndex:], &pos, &p.Settings.DefaultFgColor).Data
}
}
@ -782,12 +795,12 @@ func (p *nterm) DebugRender() {
if drawManyLines {
const charsPerFrame = 500_000
for i := 0; i < charsPerFrame/charCount; i++ {
p.GlyphRend.DrawTextOpenGLAbsString(str, gglm.NewVec3(xOff, float32(p.GlyphRend.Atlas.LineHeight)*5+yOff, 0), &p.Settings.DefaultColor)
p.GlyphRend.DrawTextOpenGLAbsString(str, gglm.NewVec3(xOff, float32(p.GlyphRend.Atlas.LineHeight)*5+yOff, 0), &p.Settings.DefaultFgColor)
}
p.win.SDLWin.SetTitle(fmt.Sprint("FPS: ", fps, " Draws/f: ", math.Ceil(charsPerFrame/glyphs.DefaultGlyphsPerBatch), " chars/f: ", charsPerFrame, " chars/s: ", fps*charsPerFrame))
} else {
charsPerFrame := float64(charCount)
p.GlyphRend.DrawTextOpenGLAbsString(str, gglm.NewVec3(xOff, float32(p.GlyphRend.Atlas.LineHeight)*5+yOff, 0), &p.Settings.DefaultColor)
p.GlyphRend.DrawTextOpenGLAbsString(str, gglm.NewVec3(xOff, float32(p.GlyphRend.Atlas.LineHeight)*5+yOff, 0), &p.Settings.DefaultFgColor)
p.win.SDLWin.SetTitle(fmt.Sprint("FPS: ", fps, " Draws/f: ", math.Ceil(charsPerFrame/glyphs.DefaultGlyphsPerBatch), " chars/f: ", int(charsPerFrame), " chars/s: ", fps*int(charsPerFrame)))
}
} else {

2
res/shaders/glyph.glsl
View File

@ -14,7 +14,6 @@ layout(location=5) in vec2 aModelScale;
out vec2 v2fUV0;
out vec4 v2fColor;
out vec3 v2fModelPos;
out vec3 v2fFragPos;
uniform mat4 projViewMat;
@ -40,7 +39,6 @@ void main()
in vec2 v2fUV0;
in vec4 v2fColor;
in vec3 v2fModelPos;
in vec4 gl_FragCoord;
out vec4 fragColor;