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Updated the sftdlib, Added some functions in gfx and gfx.texture

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Firew0lf 2015-10-09 00:02:23 +02:00
parent c5337a5b2e
commit dcdeec6525
5 changed files with 484 additions and 48 deletions
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111
source/gfx.c
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@ -121,6 +121,19 @@ static int gfx_get3D(lua_State *L) {
return 1;
}
/***
Enable or disable the VBlank waiting.
@function setVBlankWait
@tparam boolean true to enable, false to disable
*/
static int gfx_setVBlankWait(lua_State *L) {
bool enable = lua_toboolean(L, 1);
sf2d_set_vblank_wait(enable);
return 0;
}
/***
Get free VRAM space.
@function vramSpaceFree
@ -255,20 +268,94 @@ static int gfx_text(lua_State *L) {
return 0;
}
/***
Draw a text with a new line after a certain number of pixels.
Warning: No UTF32 support.
@function wrappedText
@tparam integer x text drawing origin horizontal coordinate, in pixels
@tparam integer y text drawing origin vertical coordinate, in pixels
@tparam string text the text to draw
@tparam integer width width of a line, in pixels
@tparam[opt=9] integer size drawing size, in pixels
@tparam[opt=default color] integer color drawing color
@tparam[opt=default font] font font to use
*/
static int gfx_wrappedText(lua_State *L) {
int x = luaL_checkinteger(L, 1);
int y = luaL_checkinteger(L, 2);
size_t len;
const char *text = luaL_checklstring(L, 3, &len);
unsigned int lineWidth = luaL_checkinteger(L, 4);
int size = luaL_optinteger(L, 5, 9);
u32 color = luaL_optinteger(L, 6, color_default);
font_userdata *font = luaL_testudata(L, 7, "LFont");
if (font == NULL) {
lua_getfield(L, LUA_REGISTRYINDEX, "LFontDefault");
font = luaL_testudata(L, -1, "LFont");
if (font == NULL) luaL_error(L, "No default font set and no font object passed");
}
if (font->font == NULL) luaL_error(L, "The font object was unloaded");
// Wide caracters support. (wchar = UTF32 on 3DS.)
// Disabled as sftd_draw_wtext_wrap() doesn't exist.
/*wchar_t wtext[len];
len = mbstowcs(wtext, text, len);
*(wtext+len) = 0x0; // text end */
sftd_draw_text_wrap(font->font, x, y, color, size, lineWidth, text);
return 0;
}
/***
Calculate the size of a text draw with `wrappedText`.
@function calcBoundingBox
@tparam string text The text to check
@tparam integer lineWidth width of a line, in pixels
@tparam[opt=9] integer size drawing size, in pixels
@tparam[opt=default font] font font to use
@treturn integer width of the text, in pixels
@treturn integer height of the text, in pixels
*/
static int gfx_calcBoundingBox(lua_State *L) {
size_t len;
const char *text = luaL_checklstring(L, 1, &len);
unsigned int lineWidth = luaL_checkinteger(L, 2);
int size = luaL_optinteger(L, 3, 9);
font_userdata *font = luaL_testudata(L, 4, "LFont");
if (font == NULL) {
lua_getfield(L, LUA_REGISTRYINDEX, "LFontDefault");
font = luaL_testudata(L, -1, "LFont");
if (font == NULL) luaL_error(L, "No default font set and no font object passed");
}
if (font->font == NULL) luaL_error(L, "The font object was unloaded");
int w, h = 0;
sftd_calc_bounding_box(&w, &h, font->font, size, lineWidth, text);
lua_pushinteger(L, w);
lua_pushinteger(L, h);
return 2;
}
// Functions
static const struct luaL_Reg gfx_lib[] = {
{ "startFrame", gfx_startFrame },
{ "endFrame", gfx_endFrame },
{ "render", gfx_render },
{ "getFPS", gfx_getFPS },
{ "set3D", gfx_set3D },
{ "get3D", gfx_get3D },
{ "vramSpaceFree", gfx_vramSpaceFree },
{ "line", gfx_line },
{ "point", gfx_point },
{ "rectangle", gfx_rectangle },
{ "circle", gfx_circle },
{ "text", gfx_text },
{ "startFrame", gfx_startFrame },
{ "endFrame", gfx_endFrame },
{ "render", gfx_render },
{ "getFPS", gfx_getFPS },
{ "set3D", gfx_set3D },
{ "get3D", gfx_get3D },
{ "setVBlankWait", gfx_setVBlankWait },
{ "vramSpaceFree", gfx_vramSpaceFree },
{ "line", gfx_line },
{ "point", gfx_point },
{ "rectangle", gfx_rectangle },
{ "circle", gfx_circle },
{ "text", gfx_text },
{ "wrappedText", gfx_wrappedText },
{ "calcBoundingBox", gfx_calcBoundingBox },
{ NULL, NULL }
};