Begin ImGui Swift API, context creation, adding fonts.

Signed-off-by: furby™ <[email protected]>

.gitignore

@@ -6,3 +6,4 @@ DerivedData/
 .swiftpm/configuration/registries.json
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 .netrc
+.vscode

.gitmodules

@@ -1,6 +1,9 @@
 [submodule "glfw"]
 	path = glfw
 	url = https://github.com/glfw/glfw.git
+[submodule "freetype"]
+	path = freetype
+	url = https://github.com/the-swift-collective/freetype.git
 [submodule "imgui-cxx"]
 	path = imgui-cxx
 	url = https://github.com/the-swift-collective/imgui-cxx.git

Bundler.toml

@@ -1,10 +1,10 @@
 format_version = 2
 
-[apps.example_glfw_metal]
-identifier = 'foundation.wabi.example_glfw_metal'
-product = 'example_glfw_metal'
+[apps.GLFWMetalApp]
+identifier = 'foundation.wabi.GLFWMetalApp'
+product = 'GLFWMetalApp'
 version = '1.0.0'
 category = 'public.app-category.graphics-design'
 
-[apps.example_glfw_metal.plist]
+[apps.GLFWMetalApp.plist]
 commit = '$(COMMIT_HASH)'

Package.swift

@@ -25,10 +25,18 @@ let package = Package(
       name: "glfw",
       targets: ["glfw"]
     ),
+    .library(
+      name: "freetype",
+      targets: ["freetype"]
+    ),
     .library(
       name: "backend_glfw",
       targets: ["backend_glfw"]
     ),
+    .library(
+      name: "imgui_freetype",
+      targets: ["imgui_freetype"]
+    ),
   ] + Arch.addPlatformProducts(),
   targets: [
     .target(
@@ -41,7 +49,10 @@ let package = Package(
         "imgui_widgets.cpp",
         "imgui.cpp",
       ],
-      publicHeadersPath: "."
+      publicHeadersPath: ".",
+      cxxSettings: [
+        .define("IMGUI_ENABLE_FREETYPE", to: "1")
+      ]
     ),
 
     .target(
@@ -74,6 +85,177 @@ let package = Package(
       ]
     ),
 
+    .target(
+      name: "freetype",
+      path: "freetype",
+      exclude: [
+        "builds",
+        "devel",
+        "docs",
+        "objs",
+        "subprojects",
+        "tests",
+        "src/svg/module.mk",
+        "src/svg/rules.mk",
+        "src/pcf/module.mk",
+        "src/pcf/rules.mk",
+        "src/type1/module.mk",
+        "src/type1/rules.mk",
+        "src/dlg/rules.mk",
+        "src/sdf/module.mk",
+        "src/sdf/rules.mk",
+        "src/cache/rules.mk",
+        "src/sfnt/module.mk",
+        "src/sfnt/rules.mk",
+        "src/winfonts/module.mk",
+        "src/winfonts/rules.mk",
+        "src/bdf/module.mk",
+        "src/bdf/rules.mk",
+        "src/smooth/module.mk",
+        "src/smooth/rules.mk",
+        "src/type42/module.mk",
+        "src/type42/rules.mk",
+        "src/cff/module.mk",
+        "src/cff/rules.mk",
+        "src/gzip/rules.mk",
+        "src/lzw/rules.mk",
+        "src/gxvalid/module.mk",
+        "src/gxvalid/rules.mk",
+        "src/psaux/module.mk",
+        "src/psaux/rules.mk",
+        "src/cid/module.mk",
+        "src/cid/rules.mk",
+        "src/pfr/module.mk",
+        "src/pfr/rules.mk",
+        "src/otvalid/module.mk",
+        "src/otvalid/rules.mk",
+        "src/autofit/module.mk",
+        "src/autofit/rules.mk",
+        "src/pshinter/module.mk",
+        "src/pshinter/rules.mk",
+        "src/truetype/module.mk",
+        "src/truetype/rules.mk",
+        "src/raster/module.mk",
+        "src/raster/rules.mk",
+        "src/psnames/module.mk",
+        "src/psnames/rules.mk",
+        "src/base/rules.mk",
+        "src/bzip2/rules.mk",
+        "src/tools",
+        "src/pcf/README",
+        "src/tools/ftrandom/README",
+        "src/bdf/README",
+        "src/gxvalid/README",
+        "src/gzip/patches/freetype-zlib.diff",
+        "src/base/ftver.rc",
+        "src/autofit/afblue.hin",
+        "src/autofit/afblue.dat",
+        "src/autofit/afblue.cin",
+        "src/gzip/README.freetype",
+        "src/autofit/afblue.c",
+        "src/autofit/afcjk.c",
+        "src/autofit/afdummy.c",
+        "src/autofit/afglobal.c",
+        "src/autofit/afhints.c",
+        "src/autofit/afindic.c",
+        "src/autofit/aflatin.c",
+        "src/autofit/afloader.c",
+        "src/autofit/afmodule.c",
+        "src/autofit/afranges.c",
+        "src/autofit/afshaper.c",
+        "src/base/ftadvanc.c",
+        "src/base/ftbdf.c",
+        "src/base/ftcid.c",
+        "src/base/ftfstype.c",
+        "src/base/ftgasp.c",
+        "src/base/ftgxval.c",
+        "src/base/ftotval.c",
+        "src/base/ftpatent.c",
+        "src/base/ftpfr.c",
+        "src/base/ftstroke.c",
+        "src/base/fttype1.c",
+        "src/base/ftwinfnt.c",
+        "src/base/ftcalc.c",
+        "src/base/ftcolor.c",
+        "src/base/ftdbgmem.c",
+        "src/base/fterrors.c",
+        "src/base/ftfntfmt.c",
+        "src/base/ftgloadr.c",
+        "src/base/fthash.c",
+        "src/base/ftlcdfil.c",
+        "src/base/ftmac.c",
+        "src/base/ftobjs.c",
+        "src/base/ftoutln.c",
+        "src/base/ftpsprop.c",
+        "src/base/ftrfork.c",
+        "src/base/ftsnames.c",
+        "src/base/ftstream.c",
+        "src/base/fttrigon.c",
+        "src/base/ftutil.c",
+        "src/sdf/ftsdfrend.c",
+        "src/sdf/ftsdfcommon.c",
+        "src/sdf/ftbsdf.c",
+        "src/sdf/ftsdf.c",
+        "src/smooth/ftgrays.c",
+        "src/smooth/ftsmooth.c",
+        "src/psnames/psmodule.c",
+        "src/psaux/afmparse.c",
+        "src/psaux/psauxmod.c",
+        "src/psaux/t1cmap.c",
+        "src/truetype/ttdriver.c",
+        "src/pshinter/pshalgo.c",
+        "src/cache/ftcbasic.c",
+        "src/cache/ftcsbits.c",
+        "src/cache/ftcimage.c",
+        "src/cache/ftcglyph.c",
+        "src/cache/ftccmap.c",
+        "src/svg/ftsvg.c",
+        "src/raster/ftrend1.c",
+        "src/type42/t42drivr.c",
+        "src/truetype/ttdriver.c",
+        "src/sfnt/sfdriver.c",
+        "src/cff/cffdrivr.c",
+        "src/lzw/ftzopen.c",
+        "src/pshinter/pshmod.c",
+        "src/sfnt/pngshim.c",
+        "src/sfnt/sfobjs.c",
+        "src/sfnt/sfwoff.c",
+        "src/sfnt/sfwoff2.c",
+        "src/sfnt/ttbdf.c",
+        "src/sfnt/ttcolr.c",
+        "src/sfnt/ttcpal.c",
+        "src/sfnt/ttsvg.c",
+        "src/sfnt/ttgpos.c",
+        "src/sfnt/ttkern.c",
+        "src/sfnt/ttload.c",
+        "src/sfnt/ttsbit.c",
+        "src/sfnt/woff2tags.c",
+        "src/bdf/bdfdrivr.c",
+        "src/pfr/pfrdrivr.c",
+        "src/cid/cidriver.c",
+        "src/gxvalid/gxvmod.c",
+        "src/otvalid/otvmod.c",
+        "src/raster/ftrend1.c",
+        "src/cff/cffdrivr.c",
+        "src/cff/cffcmap.c",
+        "src/pfr/pfrcmap.c",
+        "src/pcf/pcfdrivr.c",
+        "src/sfnt/ttcmap.c",
+        "src/truetype/ttdriver.c",
+        "src/raster/ftraster.c",
+        "src/type1/t1driver.c",
+        "src/gxvalid/gxvfgen.c"
+      ],
+      sources: [
+        "src"
+      ],
+      publicHeadersPath: "include",
+      cSettings: [
+        .headerSearchPath("src"),
+        .define("FT_USE_AUTOFIT", to: "1")
+      ]
+    ),
+
     .target(
       name: "backend_glfw",
       dependencies: [
@@ -87,10 +269,33 @@ let package = Package(
       publicHeadersPath: "."
     ),
 
+    .target(
+      name: "imgui_freetype",
+      dependencies: [
+        .target(name: "imgui_cxx"),
+        .target(name: "freetype")
+      ],
+      path: "imgui-cxx",
+      exclude: [
+        "misc/freetype/README.md"
+      ],
+      sources: [
+        "misc/freetype"
+      ],
+      publicHeadersPath: ".",
+      cxxSettings: [
+        .headerSearchPath("misc/freetype")
+      ]
+    ),
+
     .target(
       name: "ImGui",
       dependencies: [
-        .target(name: "imgui_cxx")
+        .target(name: "imgui_cxx"),
+        .target(name: "imgui_freetype")
+      ],
+      cxxSettings: [
+        .define("IMGUI_ENABLE_FREETYPE", to: "1"),
       ],
       swiftSettings: [
         .interoperabilityMode(.Cxx)
@@ -100,6 +305,9 @@ let package = Package(
     .testTarget(
       name: "ImGuiTests",
       dependencies: ["ImGui"],
+      cxxSettings: [
+        .define("IMGUI_ENABLE_FREETYPE", to: "1"),
+      ],
       swiftSettings: [
         .interoperabilityMode(.Cxx)
       ]
@@ -166,10 +374,14 @@ enum Arch {
           name: "backend_metal",
           targets: ["backend_metal"]
         ),
-        .executable(
+        .library(
           name: "example_glfw_metal",
           targets: ["example_glfw_metal"]
         ),
+        .executable(
+          name: "GLFWMetalApp",
+          targets: ["GLFWMetalApp"]
+        )
       ]
     #else
       [
@@ -184,7 +396,7 @@ enum Arch {
         .target(
           name: "backend_metal",
           dependencies: [
-            .target(name: "imgui_cxx")
+            .target(name: "ImGui")
           ],
           path: "imgui-cxx/backends",
           sources: [
@@ -193,17 +405,33 @@ enum Arch {
           publicHeadersPath: "."
         ),
 
-        .executableTarget(
+        .target(
           name: "example_glfw_metal",
           dependencies: [
-            .target(name: "imgui_cxx"),
+            .target(name: "ImGui"),
             .target(name: "backend_glfw"),
             .target(
               name: "backend_metal",
               condition: .when(platforms: [.macOS, .iOS, .visionOS, .tvOS, .watchOS])),
           ],
-          path: "imgui-cxx/examples/example_glfw_metal"
+          path: "imgui-cxx/examples/example_glfw_metal",
+          cxxSettings: [
+            .define("IMGUI_ENABLE_FREETYPE", to: "1"),
+          ]
         ),
+
+        .executableTarget(
+          name: "GLFWMetalApp",
+          dependencies: [
+            .target(name: "example_glfw_metal")
+          ],
+          resources: [
+            .copy("Resources/fonts")
+          ],
+          swiftSettings: [
+            .interoperabilityMode(.Cxx)
+          ]
+        )
       ]
     #else
       [