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Expose blur_alpha_surface() as the image-path function ~BL()

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~BL() takes only one argument, which seems to be the radius of blur
(blur_alpha_surface(), 2nd argument a.k.a. 'depth').
This commit is contained in:
Ignacio R. Morelle 2008-12-22 14:29:29 +00:00
parent a0740f207b
commit 326332e89f
1 changed files with 8 additions and 0 deletions
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8
src/image.cpp
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@ -355,6 +355,8 @@ surface locator::load_image_sub_file() const
SDL_Rect slice_rect = { 0,0,0,0 };
// ~CS() arguments
int cs_r = 0, cs_g = 0, cs_b = 0;
// ~BL() arguments
unsigned blur = 0;
std::map<Uint32, Uint32> recolor_map;
std::vector<std::string> modlist = utils::paranthetical_split(val_.modifications_,'~');
@ -479,6 +481,9 @@ surface locator::load_image_sub_file() const
slice_rect.h = lexical_cast_default<Uint16, const std::string&>(slice_params[3]);
}
}
else if("BL" == function) { // Blur
blur = std::max<int>(0, lexical_cast_default<int>(field));
}
// ~R(), ~G() and ~B() are the children of ~CS(). Merely syntatic sugar.
// Hence they are at the end of the evaluation.
else if("R" == function) {
@ -526,6 +531,9 @@ surface locator::load_image_sub_file() const
if(greyscale) {
surf = greyscale_image(surf);
}
if(blur) {
surf = blur_alpha_surface(surf, blur);
}
}
return surf;
}