Class: SDL2::Rect

Inherits:

Object

• Object
• SDL2::Rect

show all

Defined in:

video.c,
video.c

Overview

Instance Attribute Summary (collapse)

• - (Integer) h

  Height of the rectangle.

• - (Integer) w

  Width of the rectangle.

• - (Integer) x

  X coordiante of the left-top point of the rectangle.

• - (Integer) y

  Y coordiante of the left-top point of the rectangle.

Class Method Summary (collapse)

• + (SDL2::Rect) [](*args)

  Alias of new.

Instance Method Summary (collapse)

• - (SDL2::Rect) initialize constructor

  Create a new SDL2::Rect object.

• - (String) inspect

  Inspection string for debug.

• - (SDL2::Rect^?) intersection(other)

  Returns the intersection rect of self and other.

• - (SDL2::Rect) union(other)

  Returns the minimal rect containing self and other.

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# File 'video.c', line 2355

static VALUE Rect_initialize(int argc, VALUE* argv, VALUE self)
{
    VALUE x, y, w, h;
    rb_scan_args(argc, argv, "04", &x, &y, &w, &h);
    if (argc == 0) {
        /* do nothing*/
    } else if (argc == 4) {
        SDL_Rect* rect;
        Data_Get_Struct(self, SDL_Rect, rect);
        rect->x = NUM2INT(x); rect->y = NUM2INT(y);
        rect->w = NUM2INT(w); rect->h = NUM2INT(h);
    } else {
        rb_raise(rb_eArgError, "wrong number of arguments (%d for 0 or 4)", argc);
    }
    return Qnil;
}

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# File 'video.c', line 2376

static VALUE Rect_inspect(VALUE self)
{
    SDL_Rect* rect = Get_SDL_Rect(self);
    return rb_sprintf("<SDL2::Rect: x=%d y=%d w=%d h=%d>",
                      rect->x, rect->y, rect->w, rect->h);
}

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# File 'video.c', line 2397

static VALUE Rect_intersection(VALUE self, VALUE other)
{
    VALUE result = Rect_s_allocate(cRect);
    if (SDL_IntersectRect(Get_SDL_Rect(self), Get_SDL_Rect(other), Get_SDL_Rect(result))) {
        return result;
    } else {
        return Qnil;
    }
}

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# File 'video.c', line 2414

static VALUE Rect_union(VALUE self, VALUE other)
{
    VALUE result = Rect_s_allocate(cRect);
    SDL_UnionRect(Get_SDL_Rect(self), Get_SDL_Rect(other), Get_SDL_Rect(result));
    return result;
}