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Use local context instead of global

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This commit is contained in:
Joey Yakimowich-Payne 2020-04-25 22:07:47 -06:00
commit 77e390e9be
6 changed files with 302 additions and 274 deletions
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56
examples/perf.nim
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@ -32,19 +32,19 @@ proc getGraphAverage(graph: PerfGraph): float =
return avg / GRAPH_HISTORY_COUNT.float
proc render*(graph: PerfGraph, x, y: float) =
proc render*(vg: Context, graph: PerfGraph, x, y: float) =
let
avg = getGraphAverage(graph)
width: float = 200
height: float = 35
nanovg.beginPath()
nanovg.pathRect(x, y, width, height)
nanovg.setFillColor(0, 0, 0, 128)
nanovg.pathFill()
vg.beginPath()
vg.pathRect(x, y, width, height)
vg.setFillColor(0, 0, 0, 128)
vg.pathFill()
nanovg.beginPath()
nanovg.pathMoveTo(x, y+height)
vg.beginPath()
vg.pathMoveTo(x, y+height)
case graph.style:
of RenderStyle.FPS:
@ -58,7 +58,7 @@ proc render*(graph: PerfGraph, x, y: float) =
vx = x + (i/(GRAPH_HISTORY_COUNT-1)) * width
vy = y + height - ((v / 80) * height)
nanovg.pathLineTo(vx, vy)
vg.pathLineTo(vx, vy)
of RenderStyle.PERCENT:
for i in 0 ..< GRAPH_HISTORY_COUNT:
@ -71,7 +71,7 @@ proc render*(graph: PerfGraph, x, y: float) =
vx = x + (i/(GRAPH_HISTORY_COUNT-1)) * width
vy = y + height - ((v / 100) * height)
nanovg.pathLineTo(vx, vy)
vg.pathLineTo(vx, vy)
of RenderStyle.MS:
for i in 0 ..< GRAPH_HISTORY_COUNT:
@ -84,40 +84,40 @@ proc render*(graph: PerfGraph, x, y: float) =
vx = x + (i/(GRAPH_HISTORY_COUNT-1)) * width
vy = y + height - ((v / 20) * height)
nanovg.pathLineTo(vx, vy)
vg.pathLineTo(vx, vy)
nanovg.pathLineTo(x+width, y+height)
nanovg.setFillColor(255, 192, 0, 128)
nanovg.pathFill()
vg.pathLineTo(x+width, y+height)
vg.setFillColor(255, 192, 0, 128)
vg.pathFill()
nanovg.setFont("sans")
vg.setFont("sans")
if graph.name.len() > 0:
nanovg.setFontSize(14)
nanovg.textAlign("top left")
nanovg.setFillColor(240, 240, 240, 192)
nanovg.text(graph.name, x+3, y+1)
vg.setFontSize(14)
vg.textAlign("top left")
vg.setFillColor(240, 240, 240, 192)
vg.text(graph.name, x+3, y+1)
nanovg.setFontSize(18)
nanovg.textAlign("top right")
nanovg.setFillColor(240, 240, 240, 255)
vg.setFontSize(18)
vg.textAlign("top right")
vg.setFillColor(240, 240, 240, 255)
case graph.style:
of RenderStyle.FPS:
var str = fmt"{1.0/avg:.2f} FPS"
nanovg.text(str, x+width-3, y+1)
nanovg.setFontSize(15)
nanovg.textAlign("bottom right")
nanovg.setFillColor(240, 240, 240, 160)
vg.text(str, x+width-3, y+1)
vg.setFontSize(15)
vg.textAlign("bottom right")
vg.setFillColor(240, 240, 240, 160)
str = fmt"{avg*1000:.2f} ms"
nanovg.text(str, x+width-3, y+height-1)
vg.text(str, x+width-3, y+height-1)
of RenderStyle.PERCENT:
let str = fmt"{avg:.1f} %"
nanovg.text(str, x+width-3, y+1)
vg.text(str, x+width-3, y+1)
of RenderStyle.MS:
let str = fmt"{avg*1000:.2f} ms"
nanovg.text(str, x+width-3, y+1)
vg.text(str, x+width-3, y+1)