Initial Commit for sdl2-ttf

.gitignore

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+*.fasl

README.md

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+# CL-SDL2-TTF
+
+This is a wrapper for the SDL2_TTF library used for loading fonts and creating text assets.
+
+## Usage
+
+## Examples
+
+## Issues
+if you cannot load `cl-sdl-ttf`, please ensure you have SDL_TTF 2.0 installed and not just 1.2.
+
+If you are sure all of this is correct, and it still will not load, please file an issue and specify
+* Your platform and architecture
+* Your Common Lisp implementation
+* The absolute path to your installed .so, .dylib, .dll, or appropriate OSX framework

sdl2-ttf.asd

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+(defpackage :sdl2-ttf.asdf
+  (:use #:cl #:asdf))
+
+(in-package :sdl2-mixer.asdf)
+
+(defsystem :sdl2-ttf
+    :description "Bindings for sdl2_ttf using autowrap"
+    :author "Bryan Baraoidan"
+    :license "MIT"
+    :version "1.0"
+    :depends-on (:alexandria :defpackage-plus :cl-autowrap :sdl2)
+    :pathname "src"
+    :serial t
+    :components ((:file "package")
+                 (:file "library")
+                 (:file "autowrap")
+                 (:file "conditions")
+                 (:file "general")
+                 (:module autowrap-spec
+                          :pathname "spec"
+                          :components ((:static-file "SDL_ttf")))))

src/conditions.lisp

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+;;; This file is adapted from almostly completely verbatim from cl-sdl2-mixer as I needed the same functionality for font loading
+(in-package :sdl2-mixer)
+
+(define-condition sdl-mixer-error (sdl2::sdl-rc-error) ())
+
+;;; Note, Mix_GetError doesn't exist, it's a #define for SDL_GetError
+
+(defmacro check-rc (form)
+  (with-gensyms (rc)
+    `(let ((,rc ,form))
+       (when (< ,rc 0)
+         (error 'sdl-ttf-error :rc ,rc :string (sdl-get-error)))
+       ,rc)))
+
+(defmacro check-non-zero (form)
+  (with-gensyms (rc)
+    `(let ((,rc ,form))
+       (unless (/= ,rc 0)
+         (error 'sdl-ttf-error :rc ,rc :string (sdl-get-error)))
+       ,rc)))
+
+(defmacro check-true (form)
+  (with-gensyms (rc)
+    `(let ((,rc ,form))
+       (unless (sdl-true-p ,rc)
+         (error 'sdl-ttf-error :rc ,rc :string (sdl-get-error)))
+       ,rc)))
+
+(defmacro check-null (form)
+  (with-gensyms (wrapper)
+    `(let ((,wrapper ,form))
+       (if (cffi:null-pointer-p (autowrap:ptr ,wrapper))
+           (error 'sdl-ttf-error :rc ,wrapper :string (sdl-get-error))
+           ,wrapper))))

src/general.lisp

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+(in-package :sdl2-ttf)

src/library.lisp

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+(in-package :sdl2-mixer)
+
+(cffi:define-foreign-library libsdl2-ttf
+  (:unix (:or "libSDL2_ttf-2.0.so.0" "libSDL2_ttf")))

src/package.lisp

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+(in-package :cl-user)
+(defpackage :sdl2-mixer
+  (:use #:cl
+        #:cffi
+        #:alexandria
+        #:autowrap.minimal
+        #:plus-c
+        #:sdl2-ffi.functions))

src/spec/SDL_ttf.h

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+#include <SDL2/SDL_ttf.h>