From 6e17282197320bfc3af6a225fb3d9e13194022fa Mon Sep 17 00:00:00 2001
From: jussi
Date: Thu, 24 Aug 2023 20:19:13 +0300
Subject: GetFontTexture.

---
 src/lua_core.c | 15 +++++++++++++++
 src/text.c     | 31 ++++++++++++++++++++++++++++---
 src/textures.c |  2 +-
 3 files changed, 44 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/lua_core.c b/src/lua_core.c
index c831694..77564ee 100644
--- a/src/lua_core.c
+++ b/src/lua_core.c
@@ -1612,6 +1612,7 @@ void luaRegister() {
 	assingGlobalFunction( "GetFontBaseSize", ltextGetFontBaseSize );
 	assingGlobalFunction( "GetFontGlyphCount", ltextGetFontGlyphCount );
 	assingGlobalFunction( "GetFontGlyphPadding", ltextGetFontGlyphPadding );
+	assingGlobalFunction( "GetFontTexture", ltextGetFontTexture );
 
 	/* Audio. */
 		/* Audio device management. */
@@ -2959,6 +2960,20 @@ void uluaPushBoundingBox( lua_State *L, BoundingBox box ) {
 	lua_rawseti( L, -2, 2 );
 }
 
+void uluaPushTexture( lua_State *L, Texture texture ) {
+	lua_createtable( L, 5, 0 );
+	lua_pushinteger( L, texture.id );
+	lua_setfield( L, -2, "id" );
+	lua_pushinteger( L, texture.width );
+	lua_setfield( L, -2, "width" );
+	lua_pushinteger( L, texture.height );
+	lua_setfield( L, -2, "height" );
+	lua_pushinteger( L, texture.mipmaps );
+	lua_setfield( L, -2, "mipmaps" );
+	lua_pushinteger( L, texture.format );
+	lua_setfield( L, -2, "format" );
+}
+
 int uluaGetTableLen( lua_State *L ) {
 	return uluaGetTableLenIndex( L, lua_gettop( L ) );
 }
diff --git a/src/text.c b/src/text.c
index bc14828..0339aa6 100644
--- a/src/text.c
+++ b/src/text.c
@@ -286,7 +286,7 @@ int ltextMeasureText( lua_State *L ) {
 /*
 > baseSize = RL.GetFontBaseSize( Font font )
 
-Get font baseSize
+Get font base size ( default chars height )
 
 - Failure return false
 - Success return int
@@ -311,7 +311,7 @@ int ltextGetFontBaseSize( lua_State *L ) {
 /*
 > glyphCount = RL.GetFontGlyphCount( Font font )
 
-Get font glyphCount
+Get font number of glyph characters
 
 - Failure return false
 - Success return int
@@ -336,7 +336,7 @@ int ltextGetFontGlyphCount( lua_State *L ) {
 /*
 > glyphPadding = RL.GetFontGlyphPadding( Font font )
 
-Get font glyphPadding
+Get font padding around the glyph characters
 
 - Failure return false
 - Success return int
@@ -357,3 +357,28 @@ int ltextGetFontGlyphPadding( lua_State *L ) {
 
 	return 1;
 }
+
+/*
+> textureTable = RL.GetFontTexture( Font font )
+
+Get font texture atlas containing the glyphs. NOTE! Texture in table form.
+
+- Failure return false
+- Success return table
+*/
+int ltextGetFontTexture( lua_State *L ) {
+	if ( !lua_isnumber( L, 1 ) ) {
+		TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.GetFontTexture( Font font )" );
+		lua_pushboolean( L, false );
+		return 1;
+	}
+	size_t fontId = lua_tointeger( L, 1 );
+
+	if ( !validFont( fontId ) ) {
+		lua_pushboolean( L, false );
+		return 1;
+	}
+	uluaPushTexture( L, state->fonts[ fontId ]->texture );
+
+	return 1;
+}
diff --git a/src/textures.c b/src/textures.c
index c04179d..9fff0d1 100644
--- a/src/textures.c
+++ b/src/textures.c
@@ -2209,7 +2209,7 @@ int ltexturesGetTextureMipmaps( lua_State *L ) {
 /*
 > format = RL.GetTextureFormat( Texture2D texture )
 
-Get texture mipmaps. Mipmap levels, 1 by default
+Get texture data format ( PixelFormat type )
 
 - Failure return false
 - Success return int
-- 
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