Take screenshots

1 files changed, 51 insertions, 0 deletions

diff --git a/core/src/com/ilotterytea/maxoning/utils/ScreenshotFactory.java b/core/src/com/ilotterytea/maxoning/utils/ScreenshotFactory.java
new file mode 100644
index 0000000..033c818
--- /dev/null
+++ b/core/src/com/ilotterytea/maxoning/utils/ScreenshotFactory.java
@@ -0,0 +1,51 @@
+package com.ilotterytea.maxoning.utils;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.files.FileHandle;
+import com.badlogic.gdx.graphics.Pixmap;
+import com.badlogic.gdx.graphics.PixmapIO;
+import com.ilotterytea.maxoning.MaxonConstants;
+
+import java.io.File;
+import java.nio.ByteBuffer;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.zip.Deflater;
+
+public class ScreenshotFactory {
+    /**
+     * Take a screenshot.
+     * Default without any compression. Y is flipped.
+     */
+    public static void takeScreenshot(){
+        _takeScreenshot(Deflater.NO_COMPRESSION, true);
+    }
+
+    /**
+     * Take a screenshot. It will be saved in the user data directory, it is different for each platform (Windows: %appdata%/.maxoning/screenshots/, Linux: ~/.local/share/maxoning/screenshots).
+     */
+    public static void takeScreenshot(int compression, boolean flipY){
+        _takeScreenshot(compression, flipY);
+    }
+
+    private static void _takeScreenshot(int compression, boolean flipY) {
+        File file = new File(MaxonConstants.GAME_SCREENSHOT_FOLDER);
+
+        if (!file.exists()) {
+            file.mkdirs();
+        }
+
+        DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy_MM_dd-HHmmss");
+        LocalDateTime now = LocalDateTime.now();
+        Pixmap pixmap = Pixmap.createFromFrameBuffer(0, 0, Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight());
+        ByteBuffer pixels = pixmap.getPixels();
+
+        int size = Gdx.graphics.getBackBufferWidth() * Gdx.graphics.getBackBufferHeight() * 4;
+        for (int i = 3; i < size; i += 4) {
+            pixels.put(i, (byte) 255);
+        }
+
+        PixmapIO.writePNG(new FileHandle(file.getPath() + String.format("/screenshot-%s.png", dtf.format(now))), pixmap, compression, flipY);
+        pixmap.dispose();
+    }
+}
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