Fixes characters from being slightly displaced and spaces showing a d…

…ot in a LazyBitmapFont
korlibs · Jan 26, 2023 · 22b12d4 · 22b12d4
1 parent c8f7b34
commit 22b12d4
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/korim/src/commonMain/kotlin/com/soywiz/korim/font/LazyBitmapFont.kt b/korim/src/commonMain/kotlin/com/soywiz/korim/font/LazyBitmapFont.kt
@@ -98,14 +98,17 @@ class LazyBitmapFont(
                     }
 
                     val entry = atlas.add(rbmp, Unit)
-                    val slice = entry.slice
+                    val slice = entry.slice.sliceWithBounds(border, border, entry.slice.width - border, entry.slice.height - border)
+
                     //val slice = bmp.slice()
                     //val fm = result.fmetrics
                     val g = result.glyphs.first()
                     //val fm = it.data.fmetrics
                     val m = g.metrics
                     val xadvance = m.xadvance
 
+                    //println("codePoint='$codePoint': $slice, gx=${g.x}, gy=${g.y}")
+
                     //println("codePoint=$codePoint, char='${codePoint.toChar()}', xadvance=${xadvance}, height=${m.height}, top=${m.top}, ascent=${fm.ascent}, slice=$slice")
                     //BitmapFont.Glyph(fontSize, codePoint, entry.slice, 0, (m.height - m.top + fm.ascent).toInt(), xadvance.toInt())
                     BitmapFont.Glyph(

diff --git a/korim/src/commonTest/kotlin/com/soywiz/korim/font/LazyBitmapFontTest.kt b/korim/src/commonTest/kotlin/com/soywiz/korim/font/LazyBitmapFontTest.kt
@@ -0,0 +1,13 @@
+package com.soywiz.korim.font
+
+import kotlin.test.*
+
+class LazyBitmapFontTest {
+    @Test
+    fun testEnsureSpaceIsEmpty() {
+        val glyph = DefaultTtfFontAsBitmap.getOrNull(' '.code)
+        val texture = glyph!!.texture
+        assertEquals(0, texture.width)
+        assertEquals(0, texture.height)
+    }
+}