From a2af81994c84aa709c6ee75176d31156a41091e3 Mon Sep 17 00:00:00 2001
From: Dany LE <xsang.le@gmail.com>
Date: Tue, 1 Mar 2022 19:22:26 +0100
Subject: [PATCH] Add freetype font manager

---
 Diya/DiyaBoot.class.st        |  1 +
 Diya/DiyaFontFamily.class.st  | 47 ++++++++++++++++++
 Diya/DiyaFontManager.class.st | 90 +++++++++++++++++++++++++++++++++++
 3 files changed, 138 insertions(+)
 create mode 100644 Diya/DiyaFontFamily.class.st
 create mode 100644 Diya/DiyaFontManager.class.st

diff --git a/Diya/DiyaBoot.class.st b/Diya/DiyaBoot.class.st
index ffd85d2..0ab735f 100644
--- a/Diya/DiyaBoot.class.st
+++ b/Diya/DiyaBoot.class.st
@@ -214,6 +214,7 @@ DiyaBoot >> startx [
 	context delete.
 	renderer destroy.
 	window destroy.
+	DiyaFontManager reset.
 	SDL2 quit.
 ]
 
diff --git a/Diya/DiyaFontFamily.class.st b/Diya/DiyaFontFamily.class.st
new file mode 100644
index 0000000..152d761
--- /dev/null
+++ b/Diya/DiyaFontFamily.class.st
@@ -0,0 +1,47 @@
+Class {
+	#name : #DiyaFontFamily,
+	#superclass : #DiyaBaseObject,
+	#instVars : [
+		'faces',
+		'name'
+	],
+	#category : #'Diya-Fonts'
+}
+
+{ #category : #'instance creation' }
+DiyaFontFamily class >> fromFace: face [
+	^self new addFace: face; yourself.
+]
+
+{ #category : #accessing }
+DiyaFontFamily >> addFace: face [
+	name ifNil: [ name := face familyName ].
+	faces at: face styleName ifAbsentPut: face.
+]
+
+{ #category : #accessing }
+DiyaFontFamily >> faces [
+	^ faces
+]
+
+{ #category : #initialization }
+DiyaFontFamily >> initialize [ 
+	super initialize.
+	faces := Dictionary new.
+	name := nil
+]
+
+{ #category : #accessing }
+DiyaFontFamily >> name [
+	^ name
+]
+
+{ #category : #accessing }
+DiyaFontFamily >> name: anObject [
+	name := anObject
+]
+
+{ #category : #accessing }
+DiyaFontFamily >> styleNames [
+	^faces keys
+]
diff --git a/Diya/DiyaFontManager.class.st b/Diya/DiyaFontManager.class.st
new file mode 100644
index 0000000..8a77989
--- /dev/null
+++ b/Diya/DiyaFontManager.class.st
@@ -0,0 +1,90 @@
+Class {
+	#name : #DiyaFontManager,
+	#superclass : #DiyaSingleton,
+	#instVars : [
+		'families'
+	],
+	#category : #'Diya-Fonts'
+}
+
+{ #category : #'instance creation' }
+DiyaFontManager class >> cleanUpInstance: singleton [
+	singleton reset.
+]
+
+{ #category : #'class initialization' }
+DiyaFontManager class >> initialize [
+	self uniqueInstance reset.
+]
+
+{ #category : #'as yet unclassified' }
+DiyaFontManager class >> searchPaths [
+ ^ { 
+		Smalltalk imageDirectory / 'fonts'
+ }
+]
+
+{ #category : #accessing }
+DiyaFontManager >> families [
+	^ families
+]
+
+{ #category : #accessing }
+DiyaFontManager >> familyNames [
+	^ families keys
+]
+
+{ #category : #initialization }
+DiyaFontManager >> initialize [ 
+	super initialize.
+	families := Dictionary new.
+]
+
+{ #category : #initialization }
+DiyaFontManager >> loadFace: face [
+	|family|
+	family := families at: face familyName  ifAbsentPut:[DiyaFontFamily fromFace: face].
+	family addFace: face
+]
+
+{ #category : #initialization }
+DiyaFontManager >> loadFile: aFile [
+	| path face i numfaces |
+	path := aFile fullName convertToWithConverter: UTF8TextConverter new.
+	i := 0.
+	numfaces := nil.
+	[ face := FreeTypeFace basicNew
+		filename: path;
+		index: i.
+	face newFaceFromFile: path index: i.
+	face loadFields.
+	numfaces ifNil: [ numfaces := face numFaces ].
+	self loadFace: face.
+	i := i + 1.
+	i < numfaces ] whileTrue: [  ]
+]
+
+{ #category : #initialization }
+DiyaFontManager >> loadFonts [
+	self loadFonts: false.
+	
+]
+
+{ #category : #initialization }
+DiyaFontManager >> loadFonts: force [
+	force ifTrue:[self reset].
+	self class searchPaths do:[:path| self loadPath: path].
+	
+]
+
+{ #category : #initialization }
+DiyaFontManager >> loadPath: path [
+	path entries do:[:entry| entry isFile ifTrue:[self loadFile: entry ]].
+	
+]
+
+{ #category : #initialization }
+DiyaFontManager >> reset [
+ 	"reset all stored faces"
+	families := Dictionary new.
+]