-Improve resource previews

-Also fixed draw_texture_rect() tile parameter

tools/editor/plugins/texture_editor_plugin.cpp

@@ -0,0 +1,141 @@
+#include "texture_editor_plugin.h"
+
+#include "io/resource_loader.h"
+#include "globals.h"
+#include "tools/editor/editor_settings.h"
+
+void TextureEditor::_input_event(InputEvent p_event) {
+
+
+}
+
+void TextureEditor::_notification(int p_what) {
+
+	if (p_what==NOTIFICATION_FIXED_PROCESS) {
+
+	}
+
+
+	if (p_what==NOTIFICATION_READY) {
+
+		//get_scene()->connect("node_removed",this,"_node_removed");
+
+	}
+
+	if (p_what==NOTIFICATION_DRAW) {
+
+
+		Ref<Texture> checkerboard = get_icon("Checkerboard","EditorIcons");
+		Size2 size = get_size();
+
+		draw_texture_rect(checkerboard,Rect2(Point2(),size),true);
+
+		int tex_width = texture->get_width() * size.height / texture ->get_height();
+		int tex_height = size.height;
+
+		if (tex_width>size.width) {
+			tex_width=size.width;
+			tex_height=texture->get_height() * tex_width / texture->get_width();
+		}
+
+		int ofs_x = (size.width - tex_width)/2;
+		int ofs_y = (size.height - tex_height)/2;
+
+		draw_texture_rect(texture,Rect2(ofs_x,ofs_y,tex_width,tex_height));
+
+		Ref<Font> font = get_font("font","Label");
+
+		String format;
+		if (texture->cast_to<ImageTexture>()) {
+			format = Image::get_format_name(texture->cast_to<ImageTexture>()->get_format());
+		} else {
+			format=texture->get_type();
+		}
+		String text = itos(texture->get_width())+"x"+itos(texture->get_height())+" "+format;
+
+		Size2 rect = font->get_string_size(text);
+
+		Vector2 draw_from = size-rect+Size2(-2,font->get_ascent()-2);
+		if (draw_from.x<0)
+			draw_from.x=0;
+
+		draw_string(font,draw_from+Vector2(2,2),text,Color(0,0,0,0.5),size.width);
+		draw_string(font,draw_from-Vector2(2,2),text,Color(0,0,0,0.5),size.width);
+		draw_string(font,draw_from,text,Color(1,1,1,1),size.width);
+	}
+}
+
+
+
+void TextureEditor::edit(Ref<Texture> p_texture) {
+
+	texture=p_texture;
+
+	if (!texture.is_null())
+		update();
+	else {
+
+		hide();
+	}
+
+}
+
+
+
+void TextureEditor::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("_input_event"),&TextureEditor::_input_event);
+
+}
+
+TextureEditor::TextureEditor() {
+
+	set_custom_minimum_size(Size2(1,150));
+
+}
+
+
+void TextureEditorPlugin::edit(Object *p_object) {
+
+	Texture * s = p_object->cast_to<Texture>();
+	if (!s)
+		return;
+
+	texture_editor->edit(Ref<Texture>(s));
+}
+
+bool TextureEditorPlugin::handles(Object *p_object) const {
+
+	return p_object->is_type("Texture");
+}
+
+void TextureEditorPlugin::make_visible(bool p_visible) {
+
+	if (p_visible) {
+		texture_editor->show();
+//		texture_editor->set_process(true);
+	} else {
+
+		texture_editor->hide();
+//		texture_editor->set_process(false);
+	}
+
+}
+
+TextureEditorPlugin::TextureEditorPlugin(EditorNode *p_node) {
+
+	editor=p_node;
+	texture_editor = memnew( TextureEditor );
+	add_control_to_container(CONTAINER_PROPERTY_EDITOR_BOTTOM,texture_editor);
+	texture_editor->hide();
+
+
+
+}
+
+
+TextureEditorPlugin::~TextureEditorPlugin()
+{
+}
+
+