thay đổi từ trình duyệt để trình duyệt và nền tảng cho nền tảng, văn bản phải được đặt trong một hình chữ nhật trong suốt. Nhưng vì GIF chỉ hỗ trợ một mức độ minh bạch, nó không thể chống bí danh văn bản. Một giải pháp phổ biến là sử dụng một nền tảng phù hợp với giai điệu tổng thể của bức ảnh. | varies from browser to browser and platform to platform the text must be set in a transparent rectangle. But because GIF only supports a single level of transparency it s impossible to anti-alias text. A common solution is to use a background that matches the overall tone of the photograph. In this instance Seidler used the deep blue shade. When you set antialiased text over this background then turn the original blue hue transparent the antialiased blue around the letters remains. You can see this halo of blue very clearly in Figure . When the text image is placed over the photograph you perceive neither the jaggies of aliased text nor the white halo of improperly anti-aliased text. The - 46 - foreground and background blend to create the appearance of a single image. Some of the interior pages of the site follow this formula as well but as variations on a theme. The Intro to the Classics page introduces a column of narrative text over a background that is lighter blue for readability. This is a frames-based format that allows longer text entries to scroll or the frame content to change without other page elements changing. There are no graphics in the light blue frame just HTML text. Figure Other pages repeat some of the same elements so that new themes blend harmoniously with the site design. The 98 99 Season the most recently added section of the site uses terra cotta the color of the exterior of the hall instead of cool blue . This section is treated as a subsite and introduces a local navigational element as we ll see. Familiar typography the script S in the background the Futura headings and the quality of the photography clearly link this section to all that precede it. Figure As we follow this link in further we re getting deeper into the business side of the site. Here the heavy emphasis on image appropriately gives way to content but without losing the carefully created atmosphere the Web essence of Carnegie Hall. The Season Spotlight
