class Cairo::GLSurface
GL surface
Public Class Methods
new(p1)
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GL surface functions
static VALUE cr_gl_surface_initialize (int argc, VALUE *argv, VALUE self) { cairo_surface_t *surface; cairo_device_t *device; int width, height; cairo_content_t content = CAIRO_CONTENT_COLOR_ALPHA; VALUE rb_device, rb_width, rb_height, rb_content; rb_scan_args (argc, argv, "31", &rb_device, &rb_width, &rb_height, &rb_content); device = RVAL2CRDEVICE (rb_device); width = NUM2INT (rb_width); height = NUM2INT (rb_height); switch (TYPE (rb_content)) { case T_NIL: break; case T_STRING: case T_SYMBOL: case T_FIXNUM: content = RVAL2CRCONTENT (rb_content); break; default: rb_raise (rb_eArgError, "invalid argument (expect " "(device, width, height) or " "(device, width, height, content)): %s", rb_cairo__inspect (rb_ary_new4 (argc, argv))); break; } surface = cairo_gl_surface_create (device, content, width, height); rb_cairo_surface_check_status (surface); DATA_PTR (self) = surface; if (rb_block_given_p ()) rb_cairo__surface_yield_and_finish (self); return Qnil; }
Public Instance Methods
height()
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static VALUE cr_gl_surface_get_height (VALUE self) { return INT2NUM (cairo_gl_surface_get_height (_SELF)); }
set_size(p1, p2)
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static VALUE cr_gl_surface_set_size (VALUE self, VALUE width, VALUE height) { cairo_surface_t *surface = NULL; surface = _SELF; cairo_gl_surface_set_size (surface, NUM2INT (width), NUM2INT (height)); rb_cairo_surface_check_status (surface); return Qnil; }
swap_buffers()
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static VALUE cr_gl_surface_swap_buffers (VALUE self) { cairo_surface_t *surface = NULL; surface = _SELF; cairo_gl_surface_swapbuffers (surface); rb_cairo_surface_check_status (surface); return Qnil; }
width()
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static VALUE cr_gl_surface_get_width (VALUE self) { return INT2NUM (cairo_gl_surface_get_width (_SELF)); }