85 template <typename T> T* get_ref(lua_State* L, int index) {  in get_ref()  function
461     get_ref<SkCanvas>(L, 1)->clear(0);  in lcanvas_clear()
466     get_ref<SkCanvas>(L, 1)->drawColor(lua2color(L, 2));  in lcanvas_drawColor()
471     get_ref<SkCanvas>(L, 1)->drawPaint(*get_obj<SkPaint>(L, 2));  in lcanvas_drawPaint()
479     get_ref<SkCanvas>(L, 1)->drawRect(rect, *paint);  in lcanvas_drawRect()
485     get_ref<SkCanvas>(L, 1)->drawOval(*lua2rect(L, 2, &rect),  in lcanvas_drawOval()
491     get_ref<SkCanvas>(L, 1)->drawCircle(lua2scalar(L, 2),  in lcanvas_drawCircle()
513     SkCanvas* canvas = get_ref<SkCanvas>(L, 1);  in lcanvas_drawImage()
514     SkImage* image = get_ref<SkImage>(L, 2);  in lcanvas_drawImage()
527     SkCanvas* canvas = get_ref<SkCanvas>(L, 1);  in lcanvas_drawImageRect()
528     SkImage* image = get_ref<SkImage>(L, 2);  in lcanvas_drawImageRect()
567     get_ref<SkCanvas>(L, 1)->drawPatch(cubics, colors, texs, nullptr, *get_obj<SkPaint>(L, 5));  in lcanvas_drawPatch()
572     get_ref<SkCanvas>(L, 1)->drawPath(*get_obj<SkPath>(L, 2),  in lcanvas_drawPath()
579     SkCanvas* canvas = get_ref<SkCanvas>(L, 1);  in lcanvas_drawPicture()
580     SkPicture* picture = get_ref<SkPicture>(L, 2);  in lcanvas_drawPicture()
601         get_ref<SkCanvas>(L, 1)->drawText(text, len,  in lcanvas_drawText()
609     const SkTextBlob* blob = get_ref<SkTextBlob>(L, 2);  in lcanvas_drawTextBlob()
613     get_ref<SkCanvas>(L, 1)->drawTextBlob(blob, x, y, paint);  in lcanvas_drawTextBlob()
618     lua_pushnumber(L, get_ref<SkCanvas>(L, 1)->getSaveCount());  in lcanvas_getSaveCount()
623     SkLua(L).pushMatrix(get_ref<SkCanvas>(L, 1)->getTotalMatrix());  in lcanvas_getTotalMatrix()
628     SkLua(L).pushClipStack(*get_ref<SkCanvas>(L, 1)->getClipStack());  in lcanvas_getClipStack()
634     const SkCanvas* canvas = get_ref<SkCanvas>(L, 1);  in lcanvas_getReducedClipStack()
669     lua_pushinteger(L, get_ref<SkCanvas>(L, 1)->save());  in lcanvas_save()
675 …  lua_pushinteger(L, get_ref<SkCanvas>(L, 1)->saveLayer(nullptr, lua2OptionalPaint(L, 2, &paint)));  in lcanvas_saveLayer()
680     get_ref<SkCanvas>(L, 1)->restore();  in lcanvas_restore()
687     get_ref<SkCanvas>(L, 1)->scale(sx, sy);  in lcanvas_scale()
694     get_ref<SkCanvas>(L, 1)->translate(tx, ty);  in lcanvas_translate()
700     get_ref<SkCanvas>(L, 1)->rotate(degrees);  in lcanvas_rotate()
705     get_ref<SkCanvas>(L, 1)->concat(*get_obj<SkMatrix>(L, 2));  in lcanvas_concat()
713     SkSurface* surface = get_ref<SkCanvas>(L, 1)->newSurface(info);  in lcanvas_newSurface()
723     get_ref<SkCanvas>(L, 1)->unref();  in lcanvas_gc()
765     push_ref(L, get_ref<SkDocument>(L, 1)->beginPage(lua2scalar(L, 2),  in ldocument_beginPage()
772     get_ref<SkDocument>(L, 1)->endPage();  in ldocument_endPage()
777     get_ref<SkDocument>(L, 1)->close();  in ldocument_close()
782     get_ref<SkDocument>(L, 1)->unref();  in ldocument_gc()
922     get_obj<SkPaint>(L, 1)->setTypeface(get_ref<SkTypeface>(L, 2));  in lpaint_setTypeface()
1095     paint->setXfermode(get_ref<SkXfermode>(L, 2));  in lpaint_setXfermode()
1111     paint->setColorFilter(get_ref<SkColorFilter>(L, 2));  in lpaint_setColorFilter()
1127     paint->setImageFilter(get_ref<SkImageFilter>(L, 2));  in lpaint_setImageFilter()
1143     paint->setShader(get_ref<SkShader>(L, 2));  in lpaint_setShader()
1236     SkShader* shader = get_ref<SkShader>(L, 1);  in lshader_isOpaque()
1241     SkShader* shader = get_ref<SkShader>(L, 1);  in lshader_isABitmap()
1260     SkShader* shader = get_ref<SkShader>(L, 1);  in lshader_asAGradient()
1291     get_ref<SkShader>(L, 1)->unref();  in lshader_gc()
1306     SkPathEffect* pe = get_ref<SkPathEffect>(L, 1);  in lpatheffect_asADash()
1322     get_ref<SkPathEffect>(L, 1)->unref();  in lpatheffect_gc()
1335     lua_pushstring(L, get_ref<SkXfermode>(L, 1)->getTypeName());  in lpxfermode_getTypeName()
1340     get_ref<SkXfermode>(L, 1)->unref();  in lpxfermode_gc()
1353     get_ref<SkColorFilter>(L, 1)->unref();  in lpcolorfilter_gc()
1365     get_ref<SkImageFilter>(L, 1)->unref();  in lpimagefilter_gc()
1696     lua_pushinteger(L, get_ref<SkImage>(L, 1)->width());  in limage_width()
1701     lua_pushinteger(L, get_ref<SkImage>(L, 1)->height());  in limage_height()
1708     SkAutoTUnref<SkShader> shader(get_ref<SkImage>(L, 1)->newShader(tmode, tmode, localM));  in limage_newShader()
1714     get_ref<SkImage>(L, 1)->unref();  in limage_gc()
1729     lua_pushinteger(L, get_ref<SkSurface>(L, 1)->width());  in lsurface_width()
1734     lua_pushinteger(L, get_ref<SkSurface>(L, 1)->height());  in lsurface_height()
1739     SkCanvas* canvas = get_ref<SkSurface>(L, 1)->getCanvas();  in lsurface_getCanvas()
1754     SkImage* image = get_ref<SkSurface>(L, 1)->newImageSnapshot();  in lsurface_newImageSnapshot()
1767     SkSurface* surface = get_ref<SkSurface>(L, 1)->newSurface(info);  in lsurface_newSurface()
1777     get_ref<SkSurface>(L, 1)->unref();  in lsurface_gc()
1847     lua_pushnumber(L, get_ref<SkPicture>(L, 1)->cullRect().width());  in lpicture_width()
1852     lua_pushnumber(L, get_ref<SkPicture>(L, 1)->cullRect().height());  in lpicture_height()
1857     get_ref<SkPicture>(L, 1)->unref();  in lpicture_gc()
1871     SkLua(L).pushRect(get_ref<SkTextBlob>(L, 1)->bounds());  in ltextblob_bounds()
1876     SkSafeUnref(get_ref<SkTextBlob>(L, 1));  in ltextblob_gc()
1890     get_ref<SkTypeface>(L, 1)->getFamilyName(&str);  in ltypeface_getFamilyName()
1896     lua_pushnumber(L, (double)get_ref<SkTypeface>(L, 1)->style());  in ltypeface_getStyle()
1901     SkSafeUnref(get_ref<SkTypeface>(L, 1));  in ltypeface_gc()