181 lines
8 KiB
C++
181 lines
8 KiB
C++
/**************************************************************************/
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/* texture_editor_plugin.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "texture_editor_plugin.h"
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#include "editor/editor_string_names.h"
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#include "editor/themes/editor_scale.h"
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#include "scene/gui/label.h"
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#include "scene/gui/texture_rect.h"
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#include "scene/resources/animated_texture.h"
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#include "scene/resources/atlas_texture.h"
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#include "scene/resources/compressed_texture.h"
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#include "scene/resources/image_texture.h"
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#include "scene/resources/portable_compressed_texture.h"
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TextureRect *TexturePreview::get_texture_display() {
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return texture_display;
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}
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void TexturePreview::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE:
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case NOTIFICATION_THEME_CHANGED: {
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if (!is_inside_tree()) {
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// TODO: This is a workaround because `NOTIFICATION_THEME_CHANGED`
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// is getting called for some reason when the `TexturePreview` is
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// getting destroyed, which causes `get_theme_font()` to return `nullptr`.
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// See https://github.com/godotengine/godot/issues/50743.
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break;
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}
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if (metadata_label) {
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Ref<Font> metadata_label_font = get_theme_font(SNAME("expression"), EditorStringName(EditorFonts));
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metadata_label->add_theme_font_override(SceneStringName(font), metadata_label_font);
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}
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checkerboard->set_texture(get_editor_theme_icon(SNAME("Checkerboard")));
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} break;
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}
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}
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void TexturePreview::_update_metadata_label_text() {
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const Ref<Texture2D> texture = texture_display->get_texture();
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String format;
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if (Object::cast_to<ImageTexture>(*texture)) {
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format = Image::get_format_name(Object::cast_to<ImageTexture>(*texture)->get_format());
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} else if (Object::cast_to<CompressedTexture2D>(*texture)) {
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format = Image::get_format_name(Object::cast_to<CompressedTexture2D>(*texture)->get_format());
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} else {
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format = texture->get_class();
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}
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const Ref<Image> image = texture->get_image();
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if (image.is_valid()) {
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const int mipmaps = image->get_mipmap_count();
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// Avoid signed integer overflow that could occur with huge texture sizes by casting everything to uint64_t.
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uint64_t memory = uint64_t(image->get_width()) * uint64_t(image->get_height()) * uint64_t(Image::get_format_pixel_size(image->get_format()));
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// Handle VRAM-compressed formats that are stored with 4 bpp.
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memory >>= Image::get_format_pixel_rshift(image->get_format());
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float mipmaps_multiplier = 1.0;
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float mipmap_increase = 0.25;
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for (int i = 0; i < mipmaps; i++) {
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// Each mip adds 25% memory usage of the previous one.
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// With a complete mipmap chain, memory usage increases by ~33%.
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mipmaps_multiplier += mipmap_increase;
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mipmap_increase *= 0.25;
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}
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memory *= mipmaps_multiplier;
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if (mipmaps >= 1) {
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metadata_label->set_text(
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vformat(String::utf8("%d×%d %s\n") + TTR("%s Mipmaps") + "\n" + TTR("Memory: %s"),
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texture->get_width(),
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texture->get_height(),
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format,
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mipmaps,
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String::humanize_size(memory)));
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} else {
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// "No Mipmaps" is easier to distinguish than "0 Mipmaps",
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// especially since 0, 6, and 8 look quite close with the default code font.
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metadata_label->set_text(
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vformat(String::utf8("%d×%d %s\n") + TTR("No Mipmaps") + "\n" + TTR("Memory: %s"),
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texture->get_width(),
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texture->get_height(),
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format,
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String::humanize_size(memory)));
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}
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} else {
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metadata_label->set_text(
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vformat(String::utf8("%d×%d %s"),
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texture->get_width(),
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texture->get_height(),
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format));
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}
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}
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TexturePreview::TexturePreview(Ref<Texture2D> p_texture, bool p_show_metadata) {
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checkerboard = memnew(TextureRect);
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checkerboard->set_stretch_mode(TextureRect::STRETCH_TILE);
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checkerboard->set_texture_repeat(CanvasItem::TEXTURE_REPEAT_ENABLED);
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checkerboard->set_custom_minimum_size(Size2(0.0, 256.0) * EDSCALE);
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add_child(checkerboard);
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texture_display = memnew(TextureRect);
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texture_display->set_texture_filter(TEXTURE_FILTER_NEAREST_WITH_MIPMAPS);
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texture_display->set_texture(p_texture);
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texture_display->set_anchors_preset(TextureRect::PRESET_FULL_RECT);
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texture_display->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
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texture_display->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
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add_child(texture_display);
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if (p_show_metadata) {
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metadata_label = memnew(Label);
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_update_metadata_label_text();
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p_texture->connect_changed(callable_mp(this, &TexturePreview::_update_metadata_label_text));
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// It's okay that these colors are static since the grid color is static too.
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metadata_label->add_theme_color_override(SceneStringName(font_color), Color::named("white"));
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metadata_label->add_theme_color_override("font_shadow_color", Color::named("black"));
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metadata_label->add_theme_font_size_override(SceneStringName(font_size), 14 * EDSCALE);
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metadata_label->add_theme_color_override("font_outline_color", Color::named("black"));
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metadata_label->add_theme_constant_override("outline_size", 8 * EDSCALE);
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metadata_label->set_h_size_flags(Control::SIZE_SHRINK_END);
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metadata_label->set_v_size_flags(Control::SIZE_SHRINK_END);
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add_child(metadata_label);
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}
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}
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bool EditorInspectorPluginTexture::can_handle(Object *p_object) {
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return Object::cast_to<ImageTexture>(p_object) != nullptr || Object::cast_to<AtlasTexture>(p_object) != nullptr || Object::cast_to<CompressedTexture2D>(p_object) != nullptr || Object::cast_to<PortableCompressedTexture2D>(p_object) != nullptr || Object::cast_to<AnimatedTexture>(p_object) != nullptr || Object::cast_to<Image>(p_object) != nullptr;
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}
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void EditorInspectorPluginTexture::parse_begin(Object *p_object) {
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Ref<Texture> texture(Object::cast_to<Texture>(p_object));
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if (texture.is_null()) {
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Ref<Image> image(Object::cast_to<Image>(p_object));
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texture = ImageTexture::create_from_image(image);
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ERR_FAIL_NULL_MSG(texture, "Failed to create the texture from an invalid image.");
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}
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add_custom_control(memnew(TexturePreview(texture, true)));
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}
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TextureEditorPlugin::TextureEditorPlugin() {
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Ref<EditorInspectorPluginTexture> plugin;
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plugin.instantiate();
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add_inspector_plugin(plugin);
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}
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