Unify the library on an akgl_ namespace

src/text.c

@@ -0,0 +1,60 @@
+#include <akerror.h>
+#include <SDL3/SDL.h>
+#include <SDL3_ttf/SDL_ttf.h>
+#include <sdl3game/text.h>
+#include <sdl3game/registry.h>
+#include <sdl3game/game.h>
+
+akerr_ErrorContext AKERR_NOIGNORE *akgl_text_loadfont(char *name, char *filepath, int size)
+{
+    TTF_Font *font = NULL;
+    
+    PREPARE_ERROR(errctx);
+    FAIL_ZERO_RETURN(errctx, name, AKERR_NULLPOINTER, "Null font name");
+    FAIL_ZERO_RETURN(errctx, name, AKERR_NULLPOINTER, "Null filepath");
+    font = TTF_OpenFont(filepath, size);
+    FAIL_ZERO_RETURN(errctx, font, AKGL_ERR_SDL, "%s", SDL_GetError());
+    FAIL_ZERO_RETURN(
+	errctx,
+	SDL_SetPointerProperty(AKGL_REGISTRY_FONT, name, (void *)font),
+	AKERR_KEY,
+	"Unable to add font %p to registry as %s : %s",
+	(void *)font,
+	name,
+	SDL_GetError());
+    SUCCEED_RETURN(errctx);
+}
+
+akerr_ErrorContext AKERR_NOIGNORE *akgl_text_rendertextat(TTF_Font *font, char *text, SDL_Color color, int wraplength, int x, int y)
+{
+    SDL_Surface *textsurf = NULL;
+    SDL_Texture *texture = NULL;
+    SDL_FRect dest;
+    
+    PREPARE_ERROR(errctx);
+    FAIL_ZERO_RETURN(errctx, font, AKERR_NULLPOINTER, "NULL font");
+    FAIL_ZERO_RETURN(errctx, text, AKERR_NULLPOINTER, "NULL text string");
+    if ( wraplength > 0 ) {
+	textsurf = TTF_RenderText_Blended_Wrapped(
+	    font,
+	    text,
+	    0,
+	    color,
+	    wraplength);
+    } else {
+	textsurf = TTF_RenderText_Blended(
+	    font,
+	    text,
+	    0,
+	    color);
+    }
+    FAIL_ZERO_RETURN(errctx, textsurf, AKERR_NULLPOINTER, "%s", SDL_GetError());
+    texture = SDL_CreateTextureFromSurface(renderer, textsurf);
+    FAIL_ZERO_RETURN(errctx, texture, AKERR_NULLPOINTER, "%s", SDL_GetError());
+    dest.x = x;
+    dest.y = y;
+    SDL_GetTextureSize(texture, &dest.w, &dest.h);
+    FAIL_ZERO_RETURN(errctx, SDL_RenderTexture(renderer, texture, NULL, &dest), AKERR_NULLPOINTER, "%s", SDL_GetError());
+    SDL_DestroyTexture(texture);
+    SUCCEED_RETURN(errctx);
+}