Add missing files for the new TGA options

data/widgets/tga_options.xml

@@ -0,0 +1,23 @@
+<!-- Aseprite -->
+<!-- Copyright (C) 2020  Igara Studio S.A. -->
+<gui>
+<window id="tga_options" text="@.title">
+  <grid columns="2">
+    <label text="@.bits_per_pixel" id="bits_per_pixel_label" />
+    <combobox id="bits_per_pixel" cell_align="horizontal" />
+
+    <check text="@.compress" id="compress" cell_hspan="2" />
+
+    <separator horizontal="true" cell_hspan="2" />
+
+    <hbox cell_hspan="2">
+      <check text="@general.dont_show" id="dont_show" tooltip="@general.dont_show_tooltip" />
+      <boxfiller />
+      <hbox homogeneous="true">
+        <button text="@general.ok" closewindow="true" id="ok" magnet="true" minwidth="60" />
+        <button text="@general.cancel" closewindow="true" />
+      </hbox>
+    </hbox>
+  </grid>
+</window>
+</gui>

src/app/file/tga_options.h

@@ -0,0 +1,30 @@
+// Aseprite
+// Copyright (C) 2020  Igara Studio S.A.
+//
+// This program is distributed under the terms of
+// the End-User License Agreement for Aseprite.
+
+#ifndef APP_FILE_TGA_OPTIONS_H_INCLUDED
+#define APP_FILE_TGA_OPTIONS_H_INCLUDED
+#pragma once
+
+#include "app/file/format_options.h"
+
+namespace app {
+
+  class TgaOptions : public FormatOptions {
+  public:
+    int bitsPerPixel() const { return m_bitsPerPixel; }
+    bool compress() const { return m_compress; }
+
+    void bitsPerPixel(int bpp) { m_bitsPerPixel = bpp; }
+    void compress(bool state) { m_compress = state; }
+
+  private:
+    int m_bitsPerPixel = 0;
+    bool m_compress = true;
+  };
+
+} // namespace app
+
+#endif