diff options
| -rw-r--r-- | platform/javascript/os_javascript.cpp | 52 | ||||
| -rw-r--r-- | platform/javascript/os_javascript.h | 1 |
2 files changed, 53 insertions, 0 deletions
diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp index 3515eeeb60..b0ec3c4245 100644 --- a/platform/javascript/os_javascript.cpp +++ b/platform/javascript/os_javascript.cpp @@ -39,6 +39,7 @@ #include "unix/file_access_unix.h" #include <emscripten.h> +#include <png.h> #include <stdlib.h> #include "dom_keys.inc" @@ -912,6 +913,57 @@ void OS_JavaScript::set_window_title(const String &p_title) { /* clang-format on */ } +void OS_JavaScript::set_icon(const Ref<Image> &p_icon) { + + ERR_FAIL_COND(p_icon.is_null()); + Ref<Image> icon = p_icon; + if (icon->is_compressed()) { + icon = icon->duplicate(); + ERR_FAIL_COND(icon->decompress() != OK) + } + if (icon->get_format() != Image::FORMAT_RGBA8) { + if (icon == p_icon) + icon = icon->duplicate(); + icon->convert(Image::FORMAT_RGBA8); + } + + png_image png_meta; + memset(&png_meta, 0, sizeof png_meta); + png_meta.version = PNG_IMAGE_VERSION; + png_meta.width = icon->get_width(); + png_meta.height = icon->get_height(); + png_meta.format = PNG_FORMAT_RGBA; + + PoolByteArray png; + size_t len; + PoolByteArray::Read r = icon->get_data().read(); + ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, r.ptr(), 0, NULL)); + + png.resize(len); + PoolByteArray::Write w = png.write(); + ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, w.ptr(), &len, 0, r.ptr(), 0, NULL)); + w = PoolByteArray::Write(); + + r = png.read(); + /* clang-format off */ + EM_ASM_ARGS({ + var PNG_PTR = $0; + var PNG_LEN = $1; + + var png = new Blob([HEAPU8.slice(PNG_PTR, PNG_PTR + PNG_LEN)], { type: "image/png" }); + var url = URL.createObjectURL(png); + var link = document.getElementById('-gd-engine-icon'); + if (link === null) { + link = document.createElement('link'); + link.rel = 'icon'; + link.id = '-gd-engine-icon'; + document.head.appendChild(link); + } + link.href = url; + }, r.ptr(), len); + /* clang-format on */ +} + String OS_JavaScript::get_executable_path() const { return OS::get_executable_path(); diff --git a/platform/javascript/os_javascript.h b/platform/javascript/os_javascript.h index f40fb8fc7e..ddcbf8c7c9 100644 --- a/platform/javascript/os_javascript.h +++ b/platform/javascript/os_javascript.h @@ -135,6 +135,7 @@ public: virtual void alert(const String &p_alert, const String &p_title = "ALERT!"); virtual void set_window_title(const String &p_title); + virtual void set_icon(const Ref<Image> &p_icon); String get_executable_path() const; virtual Error shell_open(String p_uri); virtual String get_name(); |