FontSizeScene

JetBrains · Mar 27, 2021 · 7c5033a · 7c5033a
1 parent 76901ee
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Showing 2 changed files with 109 additions and 2 deletions.
diff --git a/examples/scenes/src/FontSizeScene.java b/examples/scenes/src/FontSizeScene.java
@@ -0,0 +1,106 @@
+package org.jetbrains.skija.examples.scenes;
+
+import java.util.*;
+import org.jetbrains.skija.*;
+
+public class FontSizeScene extends Scene {
+    Paint grayStroke  = new Paint().setColor(0x80808080).setMode(PaintMode.STROKE).setStrokeWidth(1);
+    Paint redStroke   = new Paint().setColor(0x80CC3333).setMode(PaintMode.STROKE).setStrokeWidth(1);
+    Paint greenStroke = new Paint().setColor(0x8033CC33).setMode(PaintMode.STROKE).setStrokeWidth(1);
+    Paint blueStroke  = new Paint().setColor(0x803333CC).setMode(PaintMode.STROKE).setStrokeWidth(1);
+
+    Paint grayFill  = new Paint().setColor(0xFF808080);
+    Paint redFill   = new Paint().setColor(0xFFCC3333);
+    Paint greenFill = new Paint().setColor(0xFF33CC33);
+    Paint blueFill  = new Paint().setColor(0xFF3333CC);
+
+    Typeface[] faces;
+    Font inter9 = new Font(inter, 9);
+
+    public FontSizeScene() {
+        var names = new String[] {
+            "Anonymous Pro",
+            "Bitstream Vera Sans Mono",
+            "Cascadia Code",
+            "Consolas",
+            "Courier",
+            "Courier New",
+            "Fira Code",
+            "Hack",
+            "IBM Plex Mono",
+            "Inconsolata",
+            "Input Mono",
+            "Iosevka",
+            "JetBrains Mono",
+            "Menlo",
+            "Monaco",
+            "Mono Lisa",
+            "M+ 2m",
+            "PragmataPro",
+            "PT Mono",
+            "SF Mono",
+            "Source Code Pro",
+            "Ubuntu Mono",
+            "Victor Mono"
+        };
+
+        faces = Arrays.stream(names)
+                    .map(name -> {
+                        var face = Typeface.makeFromName(name, FontStyle.NORMAL);
+                        return name.equals(face.getFamilyName()) ? face : null;
+                    })
+                    .filter(face -> face != null)
+                    .toArray(Typeface[]::new);
+    }
+
+    @Override
+    public void draw(Canvas canvas, int width, int height, float dpi, int xpos, int ypos) {
+        canvas.translate(20, 100);
+
+        // canvas.drawString("Font Size = 32", 0, -50, inter13, blackFill);
+
+        var fonts = Arrays.stream(faces)
+                        .map(face -> new Font(face, 32))
+                        // .sorted((a, b) -> (int) Math.signum(b.getMetrics().getHeight() - a.getMetrics().getHeight()))
+                        .toArray(Font[]::new);
+
+        float x = width;
+        canvas.translate(0, -150);
+        for (var font: fonts) {
+            if (x + 100 > width) {
+                canvas.translate(0, 150);
+                x = 60;
+                canvas.drawString("Ascent",     0, 35, inter9, greenFill);
+                canvas.drawString("Cap Height", 0, 50, inter9, redFill);
+                canvas.drawString("x-Height",   0, 65, inter9, blueFill);
+                canvas.drawString("Descent",    0, 80, inter9, greenFill);
+                canvas.drawString("Height", 0, 95, inter9, grayFill);
+            }
+
+            try (var line = TextLine.make("Andy█▀▄", font);) {
+                canvas.drawLine(x - 10, 0, x + line.getWidth() + 10, 0, grayStroke);
+                canvas.drawLine(x - 10, font.getMetrics().getAscent(), x + line.getWidth() + 10, font.getMetrics().getAscent(), greenStroke);
+                canvas.drawLine(x - 10, -font.getMetrics().getCapHeight(), x + line.getWidth() + 10, -font.getMetrics().getCapHeight(), redStroke);
+                canvas.drawLine(x - 10, -font.getMetrics().getXHeight(), x + line.getWidth() + 10, -font.getMetrics().getXHeight(), blueStroke);
+                canvas.drawLine(x - 10, font.getMetrics().getDescent(), x + line.getWidth() + 10, font.getMetrics().getDescent(), greenStroke);
+
+                canvas.drawTextLine(line, x, 0, blackFill);
+
+                canvas.save();
+                canvas.clipRect(Rect.makeXYWH(x, 0, line.getWidth() + 10, 25));
+                canvas.drawString(font.getTypeface().getFamilyName(),    x, 20, inter9, blackFill);
+                canvas.restore();
+
+                canvas.drawString(String.format("%.2f", (-font.getMetrics().getAscent())), x, 35, inter9, greenFill);
+                canvas.drawString(String.format("%.2f", font.getMetrics().getCapHeight()), x, 50, inter9, redFill);
+                canvas.drawString(String.format("%.2f", font.getMetrics().getXHeight()),   x, 65, inter9, blueFill);
+                canvas.drawString(String.format("%.2f", font.getMetrics().getDescent()),   x, 80, inter9, greenFill);
+                canvas.drawString(String.format("%.2f", font.getMetrics().getHeight()),   x, 95, inter9, grayFill);
+
+                x += line.getWidth() + 20;
+            }
+            font.close();
+        }
+        canvas.translate(0, 40);
+    }
+}
diff --git a/examples/scenes/src/Scenes.java b/examples/scenes/src/Scenes.java
@@ -6,7 +6,7 @@
 
 public class Scenes {
     public static TreeMap<String, Scene> scenes;
-    public static String currentScene = "Skottie";
+    public static String currentScene = "Font Size";
     public static HUD hud = new HUD();
     public static boolean vsync = true;
     public static boolean stats = true;
@@ -25,6 +25,7 @@ public class Scenes {
         scenes.put("Figma", null);
         scenes.put("Font", null);
         scenes.put("Font Rendering", null);
+        scenes.put("Font Size", null);
         scenes.put("Font Variations", null);
         scenes.put("Geometry", null);
         scenes.put("Images", null);
@@ -106,4 +107,4 @@ public static void draw(Canvas canvas, int width, int height, float scale, int m
         } else
             hud.log();
     }
-}
+}