adding special text

src/main/java/io/github/hydos/ginger/font/MetaFile.java

@@ -20,7 +20,7 @@ public class MetaFile {
 	private static final int PAD_BOTTOM = 2;
 	private static final int PAD_RIGHT = 3;
 
-	private static final int DESIRED_PADDING = 3;
+	private static final int DESIRED_PADDING = 8;
 
 	private static final String SPLITTER = " ";
 	private static final String NUMBER_SEPARATOR = ",";

src/main/resources/shaders/fontFragmentShader.glsl

@@ -7,8 +7,27 @@ out vec4 out_colour;
 uniform vec3 colour;
 uniform sampler2D fontAtlas;
 
+const float width = 0.5;
+const float edge = 0.1;
+
+uniform float borderWidth = 0.0;
+uniform float borderEdge = 0.1;
+
+uniform vec2 offset = vec2(0.0, 0.0);
+
+uniform vec3 outlineColour = vec3(1.0,0.0,0.0);
+
 void main(void){
 
-	out_colour = vec4(colour, texture(fontAtlas, pass_textureCoords).a);
+	float distance = 1.0 - texture(fontAtlas, pass_textureCoords).a;
+	float alpha = 1.0 - smoothstep(width, width + edge, distance);
+
+	float distance2 = 1.0 - texture(fontAtlas, pass_textureCoords + offset).a;
+	float outlineAlpha = 1.0 - smoothstep(borderWidth, borderWidth + borderEdge, distance2);
+
+	float overallAlpha = alpha + (1.0 - alpha) * outlineAlpha;
+	vec3 overallColour = mix(outlineColour, colour, alpha / overallAlpha);
+
+	out_colour = vec4(overallColour, overallAlpha);
 
 }

target/classes/shaders/fontFragmentShader.glsl

@@ -7,8 +7,27 @@ out vec4 out_colour;
 uniform vec3 colour;
 uniform sampler2D fontAtlas;
 
+const float width = 0.5;
+const float edge = 0.1;
+
+uniform float borderWidth = 0.0;
+uniform float borderEdge = 0.1;
+
+uniform vec2 offset = vec2(0.0, 0.0);
+
+uniform vec3 outlineColour = vec3(1.0,0.0,0.0);
+
 void main(void){
 
-	out_colour = vec4(colour, texture(fontAtlas, pass_textureCoords).a);
+	float distance = 1.0 - texture(fontAtlas, pass_textureCoords).a;
+	float alpha = 1.0 - smoothstep(width, width + edge, distance);
+
+	float distance2 = 1.0 - texture(fontAtlas, pass_textureCoords + offset).a;
+	float outlineAlpha = 1.0 - smoothstep(borderWidth, borderWidth + borderEdge, distance2);
+
+	float overallAlpha = alpha + (1.0 - alpha) * outlineAlpha;
+	vec3 overallColour = mix(outlineColour, colour, alpha / overallAlpha);
+
+	out_colour = vec4(overallColour, overallAlpha);
 
 }