Function EM_JS

projects/uDesigner/source/main.cpp:1126–1181

}

EM_JS(void, LoadElementImage, (Element *elem), {
    var input = document.createElement("input");
    input.type = "file";
    input.id = "file-selector";
    input.accept = ".jpg,.jpeg,.png";
    input.addEventListener("change", (event) => {
        var file = event.target.files[0];
        var reader = new FileReader();
        reader.addEventListener("load", () => {
            var file_data = new Uint8Array(reader.result);
            var file_ptr = Module._malloc(file_data.length);
            Module.HEAPU8.set(file_data, file_ptr);
            Module.ccall("cpp_LoadElementImage", null, ["number", "number", "number"], [elem, file_ptr, file_data.length]);
        }, false);
        reader.readAsArrayBuffer(file);
    });

    if(document.createEvent) {
        var event = document.createEvent("MouseEvents");
        event.initEvent("click", true, true);
        input.dispatchEvent(event);
    }
    else {
        input.click();
    }
});

constexpr ImWchar StandardGlyphRanges[] = {
    0x0020, 0x00FF, // Basic Latin + Latin Supplement
    0x0000
};

constexpr ImWchar ExtendedGlyphRanges[] = {
    0x25A0, 0xE200, // Special Nintendo buttons
    0x0000
};

void ReloadFonts() {
    auto &io = ImGui::GetIO();

    #define _LOAD_ASSET_FONT_FOR_SIZE(name, size) { \
        ImFontConfig config; \
        config.MergeMode = true; \
        g_FontStandard_##name = io.Fonts->AddFontFromMemoryTTF(g_FontData, g_FontDataSize, size * g_Scale, nullptr, StandardGlyphRanges); \
        g_FontExtended_##name = io.Fonts->AddFontFromFileTTF("assets/FontExtended.ttf", size * g_Scale, &config, ExtendedGlyphRanges); \
    }

    if(g_FontData != nullptr) {
        _LOAD_ASSET_FONT_FOR_SIZE(Small, 27.0f)
        _LOAD_ASSET_FONT_FOR_SIZE(Medium, 30.0f)
        _LOAD_ASSET_FONT_FOR_SIZE(MediumLarge, 37.0f)
        _LOAD_ASSET_FONT_FOR_SIZE(Large, 45.0f)

        io.Fonts->Build();
    }
}

extern "C" EMSCRIPTEN_KEEPALIVE void cpp_LoadFont(void *font_data, const size_t font_data_size) {