diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/cairo_bindings.c | 70 | ||||
-rw-r--r-- | src/cairo_bindings.h | 10 |
2 files changed, 78 insertions, 2 deletions
diff --git a/src/cairo_bindings.c b/src/cairo_bindings.c index 7dc4ef8..3becfb9 100644 --- a/src/cairo_bindings.c +++ b/src/cairo_bindings.c @@ -9,9 +9,13 @@ int honey_setup_cairo(lua_State* L) { honey_lua_create_table (L, 2, - HONEY_TABLE, "__index", 2, + HONEY_TABLE, "__index", 6, HONEY_FUNCTION, "getTexture", honey_cairo_get_texture, HONEY_FUNCTION, "updateTexture", honey_cairo_update_texture, + HONEY_FUNCTION, "moveTo", honey_cairo_move_to, + HONEY_FUNCTION, "lineTo", honey_cairo_line_to, + HONEY_FUNCTION, "stroke", honey_cairo_stroke, + HONEY_FUNCTION, "setColor", honey_cairo_set_color, HONEY_FUNCTION, "__gc", honey_cairo_destroy); honey_cairo_mt_ref = luaL_ref(L, LUA_REGISTRYINDEX); @@ -140,7 +144,7 @@ int honey_cairo_get_texture(lua_State* L) int honey_cairo_destroy(lua_State* L) { - cairo_surface_t** cr; + cairo_t** cr; honey_lua_parse_arguments(L, 1, 1, HONEY_USERDATA, &cr); cairo_destroy(*cr); @@ -148,4 +152,66 @@ int honey_cairo_destroy(lua_State* L) return 0; } +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * Drawing functions + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +int honey_cairo_move_to(lua_State* L) +{ + cairo_t** cr; + float x, y; + honey_lua_parse_arguments + (L, 1, 3, HONEY_USERDATA, &cr, HONEY_NUMBER, &x, HONEY_NUMBER, &y); + + cairo_move_to(*cr, x, y); + return 0; +} + /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ + +int honey_cairo_line_to(lua_State* L) +{ + cairo_t** cr; + float x, y; + honey_lua_parse_arguments + (L, 1, 3, HONEY_USERDATA, &cr, HONEY_NUMBER, &x, HONEY_NUMBER, &y); + + cairo_line_to(*cr, x, y); + return 0; +} + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ + +int honey_cairo_stroke(lua_State* L) +{ + cairo_t** cr; + honey_lua_parse_arguments(L, 1, 1, HONEY_USERDATA, &cr); + + cairo_stroke(*cr); +} + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ + +int honey_cairo_set_color(lua_State* L) +{ + cairo_t** cr; + float r, g, b, a; + int choice = honey_lua_parse_arguments + (L, 2, + 4, + HONEY_USERDATA, &cr, + HONEY_NUMBER, &r, HONEY_NUMBER, &g, HONEY_NUMBER, &b, + 5, + HONEY_USERDATA, &cr, + HONEY_NUMBER, &r, HONEY_NUMBER, &g, HONEY_NUMBER, &b, HONEY_NUMBER, &a); + + if (choice == 0) + cairo_set_source_rgb(*cr, r, g, b); + else + cairo_set_source_rgba(*cr, r, g, b, a); + + return 0; +} diff --git a/src/cairo_bindings.h b/src/cairo_bindings.h index 0256ce5..1170406 100644 --- a/src/cairo_bindings.h +++ b/src/cairo_bindings.h @@ -20,4 +20,14 @@ int honey_cairo_get_texture(lua_State* L); int honey_cairo_destroy(lua_State* L); +/* drawing functions */ + +int honey_cairo_move_to(lua_State* L); + +int honey_cairo_line_to(lua_State* L); + +int honey_cairo_stroke(lua_State* L); + +int honey_cairo_set_color(lua_State* L); + #endif |