Matija Kecman
f1f52a92b8
PiperOrigin-RevId: 957060514 Change-Id: I8a0df22255c5a938d18e172c638a8c83dfe64b1b
49 lines
2.0 KiB
C++
49 lines
2.0 KiB
C++
// Copyright 2026 DeepMind Technologies Limited
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef MUJOCO_SRC_EXPERIMENTAL_PLATFORM_UX_FONTS_H_
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#define MUJOCO_SRC_EXPERIMENTAL_PLATFORM_UX_FONTS_H_
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#include <cstddef>
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#include <functional>
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#include <string>
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#include <string_view>
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#include <vector>
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namespace mujoco::platform {
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// The Studio UI font files (every viewer loads this same files).
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inline constexpr char kMainFontFile[] = "AtkinsonHyperlegibleNext[wght].ttf";
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inline constexpr char kIconFontFile[] = "fontawesome-webfont.ttf";
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inline constexpr char kMonoFontFile[] = "AtkinsonHyperlegibleMono-Regular.ttf";
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// Maps a Studio font filename to its TTF bytes; empty means unavailable.
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using FontLoaderFn = std::function<std::vector<std::byte>(std::string_view)>;
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// A FontLoaderFn that reads font `filename` from an `assets_dir` folder.
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std::vector<std::byte> LoadFontAsset(const std::string& assets_dir,
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std::string_view filename);
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// A FontLoaderFn that reads font `font:<filename>` using a resource provider.
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std::vector<std::byte> LoadFontResource(std::string_view filename);
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// Adds the Studio fonts to the current ImGui context's atlas, fetching font
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// data via `load`. The ImGui font atlas will own a copy of the data so it can
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// rebuild at new DPI scales without buffers used by `load` staying alive.
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void AddStudioFonts(const FontLoaderFn& load);
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} // namespace mujoco::platform
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#endif // MUJOCO_SRC_EXPERIMENTAL_PLATFORM_UX_FONTS_H_
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