Add SDL2-image and SDL2-ttf

Author: tothxa

CODEOWNERS

@@ -24,3 +24,4 @@ update-checker.sh  @flathub/reviewers
 /lzo/              @AKoskovich
 /squashfs-tools/   @AKoskovich
 /libayatana-appindicator/  @AKoskovich
+/SDL2/             @tothxa

SDL2/SDL2_image.json

@@ -0,0 +1,27 @@
+{
+    "name": "SDL2_image",
+    "config-opts": [
+        "-DSDL2IMAGE_DEPS_SHARED=OFF",
+        "-DSDL2IMAGE_STRICT=ON"
+    ],
+    "cleanup": [
+        "/include",
+        "/lib/cmake",
+        "/lib/pkgconfig"
+    ],
+    "buildsystem": "cmake-ninja",
+    "builddir": true,
+    "sources": [
+        {
+            "type": "archive",
+            "url": "https://github.com/libsdl-org/SDL_image/releases/download/release-2.8.8/SDL2_image-2.8.8.tar.gz",
+            "sha256": "2213b56fdaff2220d0e38c8e420cbe1a83c87374190cba8c70af2156097ce30a",
+            "x-checker-data": {
+                "type": "anitya",
+                "project-id": 382729,
+                "stable-only": true,
+                "url-template": "https://github.com/libsdl-org/SDL_image/releases/download/release-$version/SDL2_image-$version.tar.gz"
+            }
+        }
+    ]
+}

SDL2/SDL2_ttf.json

@@ -0,0 +1,29 @@
+{
+    "name": "SDL2_ttf",
+    "config-opts": [
+        "-DSDL2TTF_HARFBUZZ=ON"
+    ],
+    "cleanup": [
+        "/include",
+        "/lib/cmake",
+        "/lib/pkgconfig"
+    ],
+    "buildsystem": "cmake-ninja",
+    "builddir": true,
+    "sources": [
+        {
+            "type": "archive",
+            "url": "https://github.com/libsdl-org/SDL_ttf/releases/download/release-2.24.0/SDL2_ttf-2.24.0.tar.gz",
+            "sha256": "0b2bf1e7b6568adbdbc9bb924643f79d9dedafe061fa1ed687d1d9ac4e453bfd",
+            "x-checker-data": {
+                "type": "anitya",
+                "project-id": 4784,
+                "stable-only": true,
+                "versions": {
+                    "<": "3.0.0"
+                },
+                "url-template": "https://github.com/libsdl-org/SDL_ttf/releases/download/release-$version/SDL2_ttf-$version.tar.gz"
+            }
+        }
+    ]
+}