fix: text rendering symbol bounds bug

src/sigui/cvmath.nim

@@ -0,0 +1,17 @@
+import pkg/[vmath, chroma]
+
+proc vec4*(color: chroma.Color): Vec4 =
+  vec4(color.r, color.g, color.b, color.a)
+
+proc color*(v: Vec4): chroma.Color =
+  chroma.Color(r: v.x, g: v.y, b: v.z, a: v.w)
+
+
+proc round*(v: Vec2): Vec2 =
+  vec2(round(v.x), round(v.y))
+
+proc ceil*(v: Vec2): Vec2 =
+  vec2(ceil(v.x), ceil(v.y))
+
+proc floor*(v: Vec2): Vec2 =
+  vec2(floor(v.x), floor(v.y))

src/sigui/render/contexts.nim

@@ -338,7 +338,10 @@ proc drawText*(ctx: DrawContext, pos: Vec2, arrangement: Arrangement, color: Vec
 
   for i, rune in arrangement.runes:
     var rect = arrangement.selectionRects[i]
+    rect.wh = rect.wh + vec2(2, 2)
+
     # todo: force pixie to adjust text to pixel grid while generating arrangement, for better alligning
+
     ctx.passTransform(shader, pos = pos + rect.xy, size = rect.wh, angle=0)
 
     let placement = family[].renderIfNeeded(rune, arrangement.fonts[0], rect.wh)

src/sigui/uibase.nim

@@ -1,11 +1,11 @@
 import times, macros, tables, unicode, strutils
 import vmath, bumpy, siwin, shady, fusion/[matching, astdsl], pixie, pixie/fileformats/svg
-import ./[events, properties]
+import ./[events, properties, cvmath]
 import ./render/[gl, contexts]
 when hasImageman:
   import imageman except Rect, color, Color
 
-export vmath, bumpy, gl, pixie, events, properties, tables, contexts
+export vmath, cvmath, bumpy, gl, pixie, events, properties, tables, contexts
 
 when defined(sigui_debug_useLogging):
   import logging
@@ -212,23 +212,6 @@ var registredReflection {.compileTime.}: seq[tuple[f: NimNode, filter: NimNode]]
   # callable syms
 
 
-proc vec4*(color: chroma.Color): Vec4 =
-  vec4(color.r, color.g, color.b, color.a)
-
-proc color*(v: Vec4): chroma.Color =
-  chroma.Color(r: v.x, g: v.y, b: v.z, a: v.w)
-
-
-proc round*(v: Vec2): Vec2 =
-  vec2(round(v.x), round(v.y))
-
-proc ceil*(v: Vec2): Vec2 =
-  vec2(ceil(v.x), ceil(v.y))
-
-proc floor*(v: Vec2): Vec2 =
-  vec2(floor(v.x), floor(v.y))
-
-
 proc containsShift*(keyboardPressed: set[Key]): bool =
   Key.lshift in keyboardPressed or Key.rshift in keyboardPressed