{"published":"2025-09-06 22:07:27","blog_url":"https://computeralgebra.hatenablog.com/","image_url":"https://m.media-amazon.com/images/I/51P1+304feL._SL500_.jpg","categories":["\u30a2\u30bb\u30f3\u30d6\u30e9"],"url":"https://computeralgebra.hatenablog.com/entry/2025/09/06/220727","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/computeralgebra/","blog_title":"\u975e\u5c02\u9580\u7684\u30b7\u30f3\u30ae\u30e5\u30e9\u30ea\u30c6\u30a3\u30fc\u7814\u7a76\u6240","version":"1.0","width":"100%","height":"190","description":"\u63cf\u753b\u304c\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u5b9f\u884c\u4f8b(\u9577\u65b9\u5f62\u306e\u63cf\u753b) void DirectDrawRectangle(HDC hdc, int x1, int y1, int w, int h, COLORREF color) { for (int x = x1; x < x1 + w; ++x) { SetPixel(hdc, x, y1, color); SetPixel(hdc, x, y1 + h, color); } for (int y = y1; y < y1 + h; ++y) { SetPixel(hdc, x1, y, color); SetPixel(hdc, x1 + w, y\u2026","author_name":"computeralgebra","provider_name":"Hatena Blog","title":"\u30a2\u30bb\u30f3\u30d6\u30e9(20)","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcomputeralgebra.hatenablog.com%2Fentry%2F2025%2F09%2F06%2F220727\" title=\"\u30a2\u30bb\u30f3\u30d6\u30e9(20) - \u975e\u5c02\u9580\u7684\u30b7\u30f3\u30ae\u30e5\u30e9\u30ea\u30c6\u30a3\u30fc\u7814\u7a76\u6240\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich"}