/**
* @brief Test to see if can set texture color mode. Helper function.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureColorMod
* http://wiki.libsdl.org/moin.cgi/SDL_GetTextureColorMod
* http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture
*/
static int
_hasTexColor (void)
{
int fail;
int ret;
SDL_Texture *tface;
Uint8 r, g, b;
/* Get test face. */
tface = _loadTestFace();
if (tface == NULL)
return 0;
/* See if supported. */
fail = 0;
ret = SDL_SetTextureColorMod( tface, 100, 100, 100 );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetTextureColorMod( tface, &r, &g, &b );
if (!_isSupported(ret))
fail = 1;
/* Clean up. */
SDL_DestroyTexture( tface );
if (fail)
return 0;
else if ((r != 100) || (g != 100) || (b != 100))
return 0;
return 1;
}
/*
--------------------------------------------------------------------------------
SAVE COLOR MOD
--------------------------------------------------------------------------------
* This method saves a backup of the original color mod value
*/
void Texture::save_color_mod( void )
{
/* Get the color mod from the texture */
Uint8 r, g, b;
SDL_GetTextureColorMod( mTexture, &r, &g, &b );
/* Create a new color from it */
SDL_Color orig = { r, g, b, 255 };
/* Store that color */
mOriginalColorMod = orig;
}
void Sprite::initTextureData()
{
if(m_pTexture)
{
// Get texture width and height
SDL_QueryTexture(m_pTexture, NULL, NULL, &m_width, &m_height);
// Get color mod
SDL_GetTextureColorMod(m_pTexture, &m_color.r, &m_color.g, &m_color.b);
// Get alpha
SDL_GetTextureAlphaMod(m_pTexture, &m_color.a);
}
}
CAMLprim value
caml_SDL_GetTextureColorMod(value texture)
{
CAMLparam1(texture);
CAMLlocal1(rgb);
Uint8 r, g, b;
int s =
SDL_GetTextureColorMod(
SDL_Texture_val(texture),
&r, &g, &b);
if (s)
caml_failwith("Sdltexture.get_color_mod");
rgb = caml_alloc(3, 0);
Store_field(rgb, 0, Val_uint8(r));
Store_field(rgb, 1, Val_uint8(g));
Store_field(rgb, 2, Val_uint8(b));
CAMLreturn(rgb);
}
TemporaryTextureColor(SDL_Texture * targ, Uint8 r, Uint8 g, Uint8 b)
{
texture = targ;
SDL_GetTextureColorMod(texture, &oldr, &oldg, &oldb);
SDL_SetTextureColorMod(texture, r, g, b);
}
TemporaryTextureColor(bfont * farg, Uint8 r, Uint8 g, Uint8 b)
{
texture = farg->spritesheet;
SDL_GetTextureColorMod(texture, &oldr, &oldg, &oldb);
SDL_SetTextureColorMod(texture, r, g, b);
}
/*
--------------------------------------------------------------------------------
GET / SET COLOR MOD
--------------------------------------------------------------------------------
*/
void Texture::get_color_mod( Uint8 *r, Uint8 *g, Uint8 *b )
{
SDL_GetTextureColorMod( mTexture, r, g, b );
}
int gytexture_color(GyTexture * self, uint8_t *r, uint8_t *g, uint8_t *b) {
return SDL_GetTextureColorMod(GY_TEXTURE_UNWRAP(self), r, g, b);
}
Color Texture::GetColorMod()
{
SDL_Color temp;
SDL_GetTextureColorMod(m_texture, &temp.r, &temp.g, &temp.b);
return Color(temp.r, temp.g, temp.b);
}