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gg: native rendering mode on macOS

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This commit is contained in:
Alexander Medvednikov
2021-01-23 10:25:40 +01:00
parent a3908414e4
commit d991712b3c
32 changed files with 492 additions and 152 deletions
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30
vlib/gg/text_rendering.v
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@ -35,6 +35,13 @@ struct FTConfig {
bytes_italic []byte
}
struct StringToRender {
x int
y int
text string
cfg gx.TextCfg
}
fn new_ft(c FTConfig) ?&FT {
if c.font_path == '' {
if c.bytes_normal.len > 0 {
@ -150,6 +157,17 @@ fn (ctx &Context) set_cfg(cfg gx.TextCfg) {
}
pub fn (ctx &Context) draw_text(x int, y int, text_ string, cfg gx.TextCfg) {
$if macos {
if ctx.native_rendering {
if cfg.align == gx.align_right {
width := ctx.text_width(text_)
C.darwin_draw_string(x - width, ctx.height - y, text_, cfg)
} else {
C.darwin_draw_string(x, ctx.height - y, text_, cfg)
}
return
}
}
if !ctx.font_inited {
eprintln('gg: draw_text(): font not initialized')
return
@ -177,6 +195,11 @@ pub fn (ft &FT) flush() {
}
pub fn (ctx &Context) text_width(s string) int {
$if macos {
if ctx.native_rendering {
return C.darwin_text_width(s)
}
}
// ctx.set_cfg(cfg) TODO
if !ctx.font_inited {
return 0
@ -187,6 +210,13 @@ pub fn (ctx &Context) text_width(s string) int {
return int((buf[2] - buf[0]) / ctx.scale) +
ctx.text_width('i') // TODO fix this in fontstash?
}
res := int((buf[2] - buf[0]) / ctx.scale)
// println('TW "$s" = $res')
$if macos {
if ctx.native_rendering {
return res * 2
}
}
return int((buf[2] - buf[0]) / ctx.scale)
}