--- a/src/dmtext.h	Fri Jun 29 22:16:51 2018 +0300
+++ b/src/dmtext.h	Sat Jun 30 00:45:42 2018 +0300
@@ -47,10 +47,10 @@
 } DMBitmapFont;
 
 
-DMBitmapFont *dmNewBitmapFont(int nglyphs, int width, int height);
+DMBitmapFont *dmNewBitmapFont(const int nglyphs, const int width, const int height);
 int dmFreeBitmapFont(DMBitmapFont *font);
 int dmLoadBitmapFont(DMResource *res, DMBitmapFont **pfont);
-int dmSetBitmapFontPalette(DMBitmapFont *font, SDL_Color *pal, int start, int size);
+int dmSetBitmapFontPalette(DMBitmapFont *font, const SDL_Color *pal, const int start, const int size);
 
 
 void dmDrawBMTextConst(SDL_Surface *screen, DMBitmapFont *font, BOOL condensed, int mode, int xc, int yc, const char *str);
@@ -71,9 +71,9 @@
 /* TTF text drawing
  */
 #ifdef DM_GFX_TTF_TEXT
-void dmDrawTTFTextConst(SDL_Surface *screen, TTF_Font *font, SDL_Color col, int x, int y, const char *fmt);
-void dmDrawTTFTextVA(SDL_Surface *screen, TTF_Font *font, SDL_Color col, int x, int y, const char *fmt, va_list ap);
-void dmDrawTTFText(SDL_Surface *screen, TTF_Font *font, SDL_Color col, int x, int y, const char *fmt, ...);
+void dmDrawTTFTextConst(SDL_Surface *screen, TTF_Font *font, SDL_Color col, const int xc, const int yc, const char *fmt);
+void dmDrawTTFTextVA(SDL_Surface *screen, TTF_Font *font, SDL_Color col, const int xc, const int yc, const char *fmt, va_list ap);
+void dmDrawTTFText(SDL_Surface *screen, TTF_Font *font, SDL_Color col, const int xc, const int yc, const char *fmt, ...);
 #endif