0.9.1 Panel tool bar, edge detect, etc.

Pixels Composer.yyp

@@ -54,6 +54,7 @@
     {"id":{"name":"node_outline","path":"scripts/node_outline/node_outline.yy",},"order":0,},
     {"id":{"name":"math_function","path":"scripts/math_function/math_function.yy",},"order":7,},
     {"id":{"name":"scrollBox","path":"scripts/scrollBox/scrollBox.yy",},"order":13,},
+    {"id":{"name":"colToVec4","path":"scripts/colToVec4/colToVec4.yy",},"order":0,},
     {"id":{"name":"draw_surface_blend","path":"scripts/draw_surface_blend/draw_surface_blend.yy",},"order":1,},
     {"id":{"name":"blurSurface","path":"scripts/blurSurface/blurSurface.yy",},"order":0,},
     {"id":{"name":"s_animate_node_go","path":"sprites/s_animate_node_go/s_animate_node_go.yy",},"order":26,},
@@ -206,6 +207,7 @@
     {"id":{"name":"node_crop","path":"scripts/node_crop/node_crop.yy",},"order":8,},
     {"id":{"name":"buttonPalette","path":"scripts/buttonPalette/buttonPalette.yy",},"order":6,},
     {"id":{"name":"s_node_zigzag","path":"sprites/s_node_zigzag/s_node_zigzag.yy",},"order":0,},
+    {"id":{"name":"sh_edge_detect","path":"shaders/sh_edge_detect/sh_edge_detect.yy",},"order":35,},
     {"id":{"name":"s_node_timeline_preview","path":"sprites/s_node_timeline_preview/s_node_timeline_preview.yy",},"order":99,},
     {"id":{"name":"type_conversion","path":"scripts/type_conversion/type_conversion.yy",},"order":8,},
     {"id":{"name":"node_keyframe","path":"scripts/node_keyframe/node_keyframe.yy",},"order":7,},
@@ -248,6 +250,7 @@
     {"id":{"name":"sh_blend_screen_alpha","path":"shaders/sh_blend_screen_alpha/sh_blend_screen_alpha.yy",},"order":6,},
     {"id":{"name":"node_color_remove","path":"scripts/node_color_remove/node_color_remove.yy",},"order":38,},
     {"id":{"name":"s_node_3d_cylinder","path":"sprites/s_node_3d_cylinder/s_node_3d_cylinder.yy",},"order":3,},
+    {"id":{"name":"s_panel_active_split","path":"sprites/s_panel_active_split/s_panel_active_split.yy",},"order":2,},
     {"id":{"name":"node_perlin","path":"scripts/node_perlin/node_perlin.yy",},"order":2,},
     {"id":{"name":"s_node_transform","path":"sprites/s_node_transform/s_node_transform.yy",},"order":101,},
     {"id":{"name":"o_dialog_add_multiple_images","path":"objects/o_dialog_add_multiple_images/o_dialog_add_multiple_images.yy",},"order":18,},
@@ -324,6 +327,7 @@
     {"id":{"name":"collection_data","path":"scripts/collection_data/collection_data.yy",},"order":1,},
     {"id":{"name":"safe_operation","path":"scripts/safe_operation/safe_operation.yy",},"order":6,},
     {"id":{"name":"node_shadow","path":"scripts/node_shadow/node_shadow.yy",},"order":17,},
+    {"id":{"name":"s_node_edge_detect","path":"sprites/s_node_edge_detect/s_node_edge_detect.yy",},"order":116,},
     {"id":{"name":"s_group_24","path":"sprites/s_group_24/s_group_24.yy",},"order":30,},
     {"id":{"name":"s_prop_on_end","path":"sprites/s_prop_on_end/s_prop_on_end.yy",},"order":5,},
     {"id":{"name":"s_node_warp_mesh","path":"sprites/s_node_warp_mesh/s_node_warp_mesh.yy",},"order":109,},
@@ -333,6 +337,7 @@
     {"id":{"name":"node_glow","path":"scripts/node_glow/node_glow.yy",},"order":14,},
     {"id":{"name":"sh_blend_min","path":"shaders/sh_blend_min/sh_blend_min.yy",},"order":9,},
     {"id":{"name":"s_animation_timing","path":"sprites/s_animation_timing/s_animation_timing.yy",},"order":27,},
+    {"id":{"name":"s_node_val","path":"sprites/s_node_val/s_node_val.yy",},"order":16,},
     {"id":{"name":"s_node_RGB","path":"sprites/s_node_RGB/s_node_RGB.yy",},"order":84,},
     {"id":{"name":"node_polar","path":"scripts/node_polar/node_polar.yy",},"order":5,},
     {"id":{"name":"s_node_name","path":"sprites/s_node_name/s_node_name.yy",},"order":3,},
@@ -369,6 +374,7 @@
     {"id":{"name":"panel_collection","path":"scripts/panel_collection/panel_collection.yy",},"order":0,},
     {"id":{"name":"lerp_float","path":"scripts/lerp_float/lerp_float.yy",},"order":1,},
     {"id":{"name":"vectorRangeBox","path":"scripts/vectorRangeBox/vectorRangeBox.yy",},"order":19,},
+    {"id":{"name":"s_node_error","path":"sprites/s_node_error/s_node_error.yy",},"order":17,},
     {"id":{"name":"sh_draw_vertex_aa","path":"shaders/sh_draw_vertex_aa/sh_draw_vertex_aa.yy",},"order":0,},
     {"id":{"name":"sh_outline_only","path":"shaders/sh_outline_only/sh_outline_only.yy",},"order":25,},
     {"id":{"name":"node_color_sampler","path":"scripts/node_color_sampler/node_color_sampler.yy",},"order":1,},
@@ -407,6 +413,7 @@
     {"id":{"name":"s_node_export","path":"sprites/s_node_export/s_node_export.yy",},"order":44,},
     {"id":{"name":"s_node_text","path":"sprites/s_node_text/s_node_text.yy",},"order":96,},
     {"id":{"name":"node_group_input","path":"scripts/node_group_input/node_group_input.yy",},"order":1,},
+    {"id":{"name":"s_icon_split_view","path":"sprites/s_icon_split_view/s_icon_split_view.yy",},"order":3,},
     {"id":{"name":"draw_rect_border","path":"scripts/draw_rect_border/draw_rect_border.yy",},"order":6,},
     {"id":{"name":"s_node_particle_effector","path":"sprites/s_node_particle_effector/s_node_particle_effector.yy",},"order":78,},
     {"id":{"name":"node_composite","path":"scripts/node_composite/node_composite.yy",},"order":4,},
@@ -429,6 +436,7 @@
     {"id":{"name":"compat_path_array","path":"scripts/compat_path_array/compat_path_array.yy",},"order":0,},
     {"id":{"name":"node_export","path":"scripts/node_export/node_export.yy",},"order":1,},
     {"id":{"name":"s_timeline_keyframe","path":"sprites/s_timeline_keyframe/s_timeline_keyframe.yy",},"order":24,},
+    {"id":{"name":"s_toolbar_shadow","path":"sprites/s_toolbar_shadow/s_toolbar_shadow.yy",},"order":6,},
     {"id":{"name":"s_node_sepearte_shape","path":"sprites/s_node_sepearte_shape/s_node_sepearte_shape.yy",},"order":89,},
     {"id":{"name":"s_group_16","path":"sprites/s_group_16/s_group_16.yy",},"order":12,},
     {"id":{"name":"s_ui_panel_bg","path":"sprites/s_ui_panel_bg/s_ui_panel_bg.yy",},"order":1,},
@@ -446,7 +454,9 @@
     {"id":{"name":"string_cut","path":"scripts/string_cut/string_cut.yy",},"order":4,},
     {"id":{"name":"node_3d_prim_cylinder","path":"scripts/node_3d_prim_cylinder/node_3d_prim_cylinder.yy",},"order":7,},
     {"id":{"name":"node_grid","path":"scripts/node_grid/node_grid.yy",},"order":20,},
+    {"id":{"name":"node_edge_detect","path":"scripts/node_edge_detect/node_edge_detect.yy",},"order":44,},
     {"id":{"name":"s_texture_default","path":"sprites/s_texture_default/s_texture_default.yy",},"order":1,},
+    {"id":{"name":"s_icon_reset_when_preview","path":"sprites/s_icon_reset_when_preview/s_icon_reset_when_preview.yy",},"order":1,},
     {"id":{"name":"node_dilate","path":"scripts/node_dilate/node_dilate.yy",},"order":34,},
     {"id":{"name":"s_node_statistic","path":"sprites/s_node_statistic/s_node_statistic.yy",},"order":115,},
     {"id":{"name":"sh_stripe","path":"shaders/sh_stripe/sh_stripe.yy",},"order":10,},
@@ -511,6 +521,7 @@
     {"id":{"name":"node_group_output","path":"scripts/node_group_output/node_group_output.yy",},"order":2,},
     {"id":{"name":"s_node_junctions_array","path":"sprites/s_node_junctions_array/s_node_junctions_array.yy",},"order":1,},
     {"id":{"name":"f_p2","path":"fonts/f_p2/f_p2.yy",},"order":4,},
+    {"id":{"name":"s_button_path_not_found_icon","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},"order":41,},
     {"id":{"name":"button","path":"scripts/button/button.yy",},"order":2,},
     {"id":{"name":"sh_blur_gaussian","path":"shaders/sh_blur_gaussian/sh_blur_gaussian.yy",},"order":1,},
     {"id":{"name":"paddingBox","path":"scripts/paddingBox/paddingBox.yy",},"order":9,},
@@ -573,6 +584,7 @@
     {"id":{"name":"sh_perlin_tiled","path":"shaders/sh_perlin_tiled/sh_perlin_tiled.yy",},"order":2,},
     {"id":{"name":"sh_time_remap","path":"shaders/sh_time_remap/sh_time_remap.yy",},"order":33,},
     {"id":{"name":"s_node_array","path":"sprites/s_node_array/s_node_array.yy",},"order":10,},
+    {"id":{"name":"s_icon_center_canvas","path":"sprites/s_icon_center_canvas/s_icon_center_canvas.yy",},"order":0,},
     {"id":{"name":"rm_main","path":"rooms/rm_main/rm_main.yy",},"order":0,},
   ],
   "Options": [
@@ -667,6 +679,8 @@
     {"folderPath":"folders/nodes/data/iterate.yy","order":19,"resourceVersion":"1.0","name":"iterate","tags":[],"resourceType":"GMFolder",},
     {"folderPath":"folders/nodes/data/node.yy","order":20,"resourceVersion":"1.0","name":"node","tags":[],"resourceType":"GMFolder",},
     {"folderPath":"folders/sprites/nodes/pin.yy","order":15,"resourceVersion":"1.0","name":"pin","tags":[],"resourceType":"GMFolder",},
+    {"folderPath":"folders/functions/shader.yy","order":17,"resourceVersion":"1.0","name":"shader","tags":[],"resourceType":"GMFolder",},
+    {"folderPath":"folders/sprites/panels/preview.yy","order":9,"resourceVersion":"1.0","name":"preview","tags":[],"resourceType":"GMFolder",},
   ],
   "AudioGroups": [
     {"targets":-1,"resourceVersion":"1.3","name":"audiogroup_default","resourceType":"GMAudioGroup",},
@@ -737,7 +751,7 @@
     {"CopyToMask":-1,"filePath":"datafiles/Getting started","resourceVersion":"1.0","name":"4 Looping operation.png","resourceType":"GMIncludedFile",},
   ],
   "MetaData": {
-    "IDEVersion": "2022.3.0.625",
+    "IDEVersion": "2022.6.1.26",
   },
   "resourceVersion": "1.5",
   "name": "Pixels Composer",

objects/o_main/o_main.yy

@@ -2,6 +2,7 @@
   "spriteId": null,
   "solid": false,
   "visible": true,
+  "managed": true,
   "spriteMaskId": null,
   "persistent": false,
   "parentObjectId": null,

scripts/button/button.gml

@@ -14,25 +14,34 @@ function buttonClass(_onClick) constructor {
 	
 	onClick = _onClick;
 	
-	static setIcon = function(_icon, _index = 0) { icon = _icon; icon_index = _index return self; }
+	static setIcon = function(_icon, _index = 0) { 
-	static setText = function(_text) { text = _text; return self; }
+		icon = _icon; icon_index = _index 
-	static setTooltip = function(_tip) { tooltip = _tip; return self; }
+		return self; 
+	}
 	
-	static draw = function(_x, _y, _w, _h, _m) {
+	static setText = function(_text) { 
-		var spr = argument_count > 5? argument[5] : s_button;
+		text = _text; 
+		return self; 
+	}
 	
+	static setTooltip = function(_tip) { 
+		tooltip = _tip; 
+		return self; 
+	}
+	
+	static draw = function(_x, _y, _w, _h, _m, spr = s_button, blend = c_white) {
 		var click = false;
 		if(hover && point_in_rectangle(_m[0], _m[1], _x, _y, _x + _w, _y + _h)) {
-			draw_sprite_stretched(spr, 1, _x, _y, _w, _h);	
+			draw_sprite_stretched_ext(spr, 1, _x, _y, _w, _h, blend, 1);	
 			if(active && mouse_check_button_pressed(mb_left)) {
 				if(onClick) onClick();
 				click = true;
 			}
 			if(mouse_check_button(mb_left))
-				draw_sprite_stretched(spr, 2, _x, _y, _w, _h);
+				draw_sprite_stretched_ext(spr, 2, _x, _y, _w, _h, blend, 1);	
 			if(tooltip != "") TOOLTIP = tooltip;
 		} else {
-			draw_sprite_stretched(spr, 0, _x, _y, _w, _h);
+			draw_sprite_stretched_ext(spr, 0, _x, _y, _w, _h, blend, 1);	
 		}
 		if(icon) draw_sprite(icon, icon_index, _x + _w / 2, _y + _h / 2);
 		if(text != "") {

scripts/collection_data/collection_data.gml

@@ -57,13 +57,18 @@ function DirectoryObject(name, path) constructor {
 		var hh = 0;
 		
 		if(path == PANEL_COLLECTION.context.path)
-			draw_sprite_stretched_ext(s_ui_panel_bg, 0, _x, _y, _w, hg, c_ui_blue_ltgrey, 1); 
+			draw_sprite_stretched_ext(s_ui_panel_bg, 0, _x + 28, _y, _w - 28, hg, c_ui_blue_ltgrey, 1); 
 		
-		if(HOVER == PANEL_COLLECTION.panel && point_in_rectangle(_m[0], _m[1], 0, _y, _w, _y + hg - 1)) {
+		if(!ds_list_empty(subDir) && HOVER == PANEL_COLLECTION.panel && point_in_rectangle(_m[0], _m[1], _x, _y, 32, _y + hg - 1)) {
-			draw_sprite_stretched_ext(s_ui_panel_bg, 0, _x, _y, _w, hg, c_ui_blue_white, 1);
+			draw_sprite_stretched_ext(s_ui_panel_bg, 0, _x, _y, 32, hg, c_ui_blue_white, 1);
 			if(FOCUS == PANEL_COLLECTION.panel && mouse_check_button_pressed(mb_left)) {
 				open = !open;
+			}
+		}
 		
+		if(HOVER == PANEL_COLLECTION.panel && point_in_rectangle(_m[0], _m[1], _x + 32, _y, _w, _y + hg - 1)) {
+			draw_sprite_stretched_ext(s_ui_panel_bg, 0, _x + 28, _y, _w - 28, hg, c_ui_blue_white, 1);
+			if(FOCUS == PANEL_COLLECTION.panel && mouse_check_button_pressed(mb_left)) {
 				if(PANEL_COLLECTION.context == self)
 					PANEL_COLLECTION.setContext(COLLECTIONS);
 				else

scripts/coltovec4/coltovec4.gml

@@ -0,0 +1,3 @@
+function colToVec4(color, alpha = 1) {
+	return [ color_get_red(color) / 255, color_get_green(color) / 255, color_get_blue(color) / 255, alpha ];
+}

scripts/coltovec4/coltovec4.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "shader",
+    "path": "folders/functions/shader.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "colToVec4",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_canvas/node_canvas.gml

@@ -113,9 +113,13 @@ function Node_Canvas(_x, _y) : Node(_x, _y) constructor {
 			draw_point_size(_x0, _y0, _siz, _brush);
 			return;
 		} else if(_x0 == _x1) {
+			draw_point_size(_x0, _y0, _siz, _brush);
+			draw_point_size(_x1, _y1, _siz, _brush);
 			draw_line_size(_x0, _y0, _x0, _y1, _siz, _brush);
 			return;
 		} else if(_y0 == _y1) {
+			draw_point_size(_x0, _y0, _siz, _brush);
+			draw_point_size(_x1, _y1, _siz, _brush);
 			draw_line_size(_x0, _y0, _x1, _y0, _siz, _brush);
 			return;
 		}
@@ -142,23 +146,28 @@ function Node_Canvas(_x, _y) : Node(_x, _y) constructor {
 			draw_point_size(_x0, _y0, _siz, _brush);	
 			return;
 		} else if(_x0 == _x1) {
+			draw_point_size(_x0, _y0, _siz, _brush);
+			draw_point_size(_x1, _y1, _siz, _brush);
 			draw_line_size(_x0, _y0, _x0, _y1, _siz, _brush);
 			return;
 		} else if(_y0 == _y1) {
+			draw_point_size(_x0, _y0, _siz, _brush);
+			draw_point_size(_x1, _y1, _siz, _brush);
 			draw_line_size(_x0, _y0, _x1, _y0, _siz, _brush);
 			return;
 		}
 		
-		var _min_x = min(_x0, _x1);
+		var _min_x = min(_x0, _x1) - 1;
 		var _max_x = max(_x0, _x1);
-		var _min_y = min(_y0, _y1);
+		var _min_y = min(_y0, _y1) - 1;
-		var _may_y = max(_y0, _y1);
+		var _max_y = max(_y0, _y1);
+		
+		draw_point_size(_min_x, _min_y, _siz, _brush);
+		draw_point_size(_max_x, _max_y, _siz, _brush);
 		
 		if(_fill) {
-			draw_ellipse(_min_x, _min_y, _max_x, _may_y, 0);
+			draw_ellipse(_min_x, _min_y, _max_x, _max_y, 0);
-		} else if(_siz == 1 && _brush == -1)
+		} else {
-			draw_ellipse(_min_x + 1, _min_y + 1, _max_x - 1, _may_y - 1, 1);
-		else {
 			var samp = 64;
 			var cx = (_x0 + _x1) / 2;
 			var cy = (_y0 + _y1) / 2;

scripts/node_data/node_data.gml

@@ -34,7 +34,7 @@ function Node(_x, _y) constructor {
 	
 	always_output = false;
 	inspecting = false;
-	previewing = false;
+	previewing = 0;
 	
 	previewable   = true;
 	preview_speed = 0;
@@ -57,6 +57,8 @@ function Node(_x, _y) constructor {
 	
 	anim_show = true;
 	
+	value_validation = [0, 0];
+	
 	static setHeight = function() {
 		var _hi = 32, _ho = 32;
 		for( var i = 0; i < ds_list_size(inputs); i++ )  {
@@ -378,6 +380,11 @@ function Node(_x, _y) constructor {
 		
 		var xx = x * _s + _x;
 		var yy = y * _s + _y;
+		
+		if(value_validation[1]) {
+			draw_sprite_stretched(s_node_error, 0, xx - 9, yy - 9, w * _s + 18, h * _s + 18);
+		}
+		
 		drawNodeBase(xx, yy, _s);
 		if(previewable && ds_list_size(outputs) > 0) 
 			drawPreview(outputs[| preview_channel], xx, yy, _s);
@@ -385,7 +392,7 @@ function Node(_x, _y) constructor {
 		onDrawNode(xx, yy, _mx, _my, _s);
 
 		if(active_draw_index > -1) {
-			draw_sprite_stretched(bg_sel_spr, active_draw_index, x * _s + _x, y * _s + _y, w * _s, h * _s);
+			draw_sprite_stretched(bg_sel_spr, active_draw_index, xx, yy, w * _s, h * _s);
 			active_draw_index = -1;
 		}
 		
@@ -406,7 +413,7 @@ function Node(_x, _y) constructor {
 		}
 		
 		inspecting = false;
-		previewing = false;
+		previewing = 0;
 	}
 	
 	active_draw_index = -1;
@@ -418,10 +425,11 @@ function Node(_x, _y) constructor {
 	
 	static destroy = function(_merge = false) {
 		active = false;
-		if(PANEL_GRAPH.node_hover      == self) PANEL_GRAPH.node_hover = noone;
+		if(PANEL_GRAPH.node_hover         == self) PANEL_GRAPH.node_hover        = noone;
-		if(PANEL_GRAPH.node_focus      == self) PANEL_GRAPH.node_focus = noone;
+		if(PANEL_GRAPH.node_focus         == self) PANEL_GRAPH.node_focus        = noone;
-		if(PANEL_GRAPH.node_previewing == self) PANEL_GRAPH.node_previewing = noone;
+		if(PANEL_PREVIEW.preview_node[0]  == self) PANEL_PREVIEW.preview_node[0] = noone;
-		if(PANEL_INSPECTOR.inspecting  == self) PANEL_INSPECTOR.inspecting  = noone;
+		if(PANEL_PREVIEW.preview_node[1]  == self) PANEL_PREVIEW.preview_node[1] = noone;
+		if(PANEL_INSPECTOR.inspecting     == self) PANEL_INSPECTOR.inspecting    = noone;
 		PANEL_ANIMATION.updatePropertyList();
 		
 		for(var i = 0; i < ds_list_size(outputs); i++) {
@@ -447,6 +455,17 @@ function Node(_x, _y) constructor {
 		
 		onDestroy();
 	}
+	static onValidate = function() {
+		value_validation[0] = 0;
+		value_validation[1] = 0;
+		
+		for( var i = 0; i < ds_list_size(inputs); i++ ) {
+			var jun = inputs[| i];
+			if(jun.value_validation)
+				value_validation[jun.value_validation - 1]++;
+		}
+	}
+	
 	static onDestroy = function() {}
 	
 	static cacheCurrentFrame = function(_frame) {

scripts/node_edge_detect/node_alpha_to_grey.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "filter",
+    "path": "folders/nodes/data/filter.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "node_alpha_to_grey",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_edge_detect/node_bw.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "filter",
+    "path": "folders/nodes/data/filter.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "node_bw",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_edge_detect/node_color_adjustment.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "filter",
+    "path": "folders/nodes/data/filter.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "node_color_adjustment",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_edge_detect/node_color_replacement.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "process",
+    "path": "folders/nodes/data/process.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "node_color_replacement",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_edge_detect/node_edge_detect.gml

@@ -0,0 +1,37 @@
+function Node_create_Edge_Detect(_x, _y) {
+	var node = new Node_Edge_Detect(_x, _y);
+	ds_list_add(PANEL_GRAPH.nodes_list, node);
+	return node;
+}
+
+function Node_Edge_Detect(_x, _y) : Node_Processor(_x, _y) constructor {
+	name = "Edge detect";
+	
+	uniform_dim    = shader_get_uniform(sh_edge_detect, "dimension");
+	uniform_filter = shader_get_uniform(sh_edge_detect, "filter");
+	
+	inputs[| 0] = nodeValue(0, "Surface in",	 self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
+	inputs[| 1] = nodeValue(1, "Filter",		 self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
+		.setDisplay(VALUE_DISPLAY.enum_scroll, ["Sobel", "Prewitt", "Laplacian"] );
+	
+	outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, surface_create(1, 1));
+	
+	static process_data = function(_outSurf, _data, _output_index) {
+		var ft = _data[1];
+		
+		surface_set_target(_outSurf);
+		draw_clear_alpha(0, 0);
+		BLEND_ADD
+		
+		shader_set(sh_edge_detect);
+			shader_set_uniform_f_array(uniform_dim, [surface_get_width(_data[0]), surface_get_height(_data[0])]);
+			shader_set_uniform_i(uniform_filter, ft);
+			draw_surface_safe(_data[0], 0, 0);
+		shader_reset();
+		
+		BLEND_NORMAL
+		surface_reset_target();
+		
+		return _outSurf;
+	}
+}

scripts/node_edge_detect/node_edge_detect.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "filter",
+    "path": "folders/nodes/data/filter.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "node_edge_detect",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_edge_detect/node_greyscale.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "filter",
+    "path": "folders/nodes/data/filter.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "node_greyscale",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_edge_detect/node_outline.yy

@@ -0,0 +1,12 @@
+{
+  "isDnD": false,
+  "isCompatibility": false,
+  "parent": {
+    "name": "process",
+    "path": "folders/nodes/data/process.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "node_outline",
+  "tags": [],
+  "resourceType": "GMScript",
+}

scripts/node_registry/node_registry.gml

@@ -44,7 +44,6 @@ function NodeObject(_name, _spr, _create, tags = []) constructor {
 		var _node = nodeFind(_name).build(_x, _y);
 		if(!_node) return noone;
 		PANEL_GRAPH.node_focus = _node;
-		PANEL_GRAPH.previewing = _node;
 		
 		return _node;
 	}
@@ -122,6 +121,7 @@ function NodeObject(_name, _spr, _create, tags = []) constructor {
 	addNodeObject(filter, "Atlas",				s_node_atlas,			"Node_Atlas",			Node_create_Atlas);
 	addNodeObject(filter, "Scale algorithm",	s_node_scale_algo,		"Node_Scale_Algo",		Node_create_Scale_Algo, ["scale2x", "scale3x"]);
 	addNodeObject(filter, "Pixel cloud",		s_node_pixel_cloud,		"Node_Pixel_Cloud",		Node_create_Pixel_Cloud);
+	addNodeObject(filter, "Edge detect",		s_node_edge_detect,		"Node_Edge_Detect",		Node_create_Edge_Detect);
 	//addNodeObject(filter, "Corner",			s_node_corner,			"Node_Corner",			Node_create_Corner);
 	
 	var threeD = ds_list_create();

scripts/node_simple_shape/node_simple_shape.gml

@@ -25,9 +25,9 @@ function Node_Shape(_x, _y) : Node_Processor(_x, _y) constructor {
 	uniform_inner	= shader_get_uniform(shader, "inner");
 	uniform_corner	= shader_get_uniform(shader, "corner");
 	uniform_arange	= shader_get_uniform(shader, "angle_range");
-	uniform_bg		= shader_get_uniform(shader, "bg");
 	uniform_aa		= shader_get_uniform(shader, "aa");
 	uniform_dim		= shader_get_uniform(shader, "dimension");
+	uniform_bgCol	= shader_get_uniform(shader, "bgColor");
 	
 	inputs[| 0] = nodeValue(0, "Dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, def_surf_size2, VALUE_TAG.dimension_2d )
 		.setDisplay(VALUE_DISPLAY.vector);
@@ -58,14 +58,16 @@ function Node_Shape(_x, _y) : Node_Processor(_x, _y) constructor {
 	inputs[| 9] = nodeValue(9, "Corner radius", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
 		.setDisplay(VALUE_DISPLAY.slider, [0, 0.5, 0.01]);
 	
-	inputs[| 10] = nodeValue(10, "Color", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, c_white);
+	inputs[| 10] = nodeValue(10, "Shape color", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, c_white);
+	
+	inputs[| 11] = nodeValue(11, "Background color", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, c_black);
 	
 	outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, surface_create(1, 1));
 	
 	input_display_list = [
 		["Surface", false], 0, 6, 
 		["Shape",	false], 2, 3, 9, 4, 5, 7, 8, 
-		["Render",	true],	1, 10
+		["Render",	true],	10, 1, 11
 	];
 	
 	static drawOverlay = function(_active, _x, _y, _s, _mx, _my) {
@@ -79,7 +81,10 @@ function Node_Shape(_x, _y) : Node_Processor(_x, _y) constructor {
 		var _posit	= _data[3];
 		var _aa		= _data[6];
 		var _corner = _data[9];
-		var _color  = _data[10]
+		var _color  = _data[10];
+		var _bgcol  = _bg? colToVec4(_data[11]) : [0, 0, 0, 0];
+		
+		inputs[| 11].setVisible(_bg);
 		
 		if(!is_surface(_outSurf)) {
 			_outSurf = surface_create(surface_valid(_dim[0]), surface_valid(_dim[1]));
@@ -147,7 +152,7 @@ function Node_Shape(_x, _y) : Node_Processor(_x, _y) constructor {
 			
 			shader_set_uniform_f_array(uniform_dim, _dim);
 			shader_set_uniform_i(uniform_shape, _shape);
-			shader_set_uniform_i(uniform_bg, _bg);
+			shader_set_uniform_f_array(uniform_bgCol, _bgcol);
 			shader_set_uniform_i(uniform_aa, _aa);
 			shader_set_uniform_f(uniform_corner, _corner);
 					

scripts/node_value/node_value.gml

@@ -124,6 +124,12 @@ enum KEYFRAME_END {
 	ping
 }
 
+enum VALIDATION {
+	pass,
+	warning,
+	error
+}
+
 function isGraphable(type) {
 	switch(type) {
 		case VALUE_TYPE.integer :
@@ -163,6 +169,8 @@ function NodeValue(_index, _name, _node, _connect, _type, _value, _tag = VALUE_T
 	display_type = VALUE_DISPLAY._default;
 	display_data = -1;
 	
+	value_validation = VALIDATION.pass;
+	
 	static setVisible = function(inspector) {
 		show_in_inspector = inspector;
 		visible = argument_count > 1? argument[1] : visible;
@@ -369,6 +377,35 @@ function NodeValue(_index, _name, _node, _connect, _type, _value, _tag = VALUE_T
 	}
 	resetDisplay();
 	
+	static onValidate = function() {
+		value_validation = VALIDATION.pass; 
+		
+		switch(type) {
+			case VALUE_TYPE.path:
+				switch(display_type) {
+					case VALUE_DISPLAY.path_load: 
+						var path = value.getValue();
+						if(!file_exists(path)) 
+							value_validation = VALIDATION.error;	
+						break;
+					case VALUE_DISPLAY.path_array: 
+						var paths = value.getValue();
+						if(isArray(paths)) {
+							for( var i = 0; i < array_length(paths); i++ ) {
+								if(!file_exists(paths[i])) 
+									value_validation = VALIDATION.error;	
+							} 
+						} else
+							value_validation = VALIDATION.error;	
+						break;
+				}
+				break;
+		}
+		node.onValidate();
+		
+		return self;
+	}
+	
 	static getValue = function() {
 		var _val = getValueRecursive();
 		var val = _val[0];
@@ -477,6 +514,7 @@ function NodeValue(_index, _name, _node, _connect, _type, _value, _tag = VALUE_T
 			node.onValueUpdate(index);
 		}
 		
+		onValidate();
 		return updated;
 	}
 	
@@ -1005,6 +1043,8 @@ function NodeValue(_index, _name, _node, _connect, _type, _value, _tag = VALUE_T
 		
 		if(ds_map_exists(_map, "data")) 
 			ds_list_copy(extra_data, _map[? "data"]);
+			
+		onValidate();
 	}
 	
 	static connect = function() {

scripts/panel_graph/panel_graph.gml

@@ -45,7 +45,6 @@ function Panel_Graph(_panel) : PanelContent(_panel) constructor {
 	node_hovering		= noone;
 	node_hover			= noone;
 	node_focus			= noone;
-	node_previewing		= noone;
 	
 	junction_hovering = noone;
 	
@@ -265,9 +264,7 @@ function Panel_Graph(_panel) : PanelContent(_panel) constructor {
 							}
 							ds_list_add(nodes_select_list, node_focus);	
 						} else if(node_focus.previewable && DOUBLE_CLICK) {
-							node_previewing = node_focus;
+							PANEL_PREVIEW.setNodePreview(node_focus);
-							if(PREF_MAP[? "reset_display"])
-								PANEL_PREVIEW.do_fullView = true;
 						} else {
 							var hover_selected = false;	
 							for( var i = 0; i < ds_list_size(nodes_select_list); i++ ) {
@@ -689,11 +686,9 @@ function Panel_Graph(_panel) : PanelContent(_panel) constructor {
 	}
 	
 	function setCurrentPreview(_node = node_focus) {
-		if(_node) {
+		if(!_node) return;
-			node_previewing = _node;
+		
-			if(PREF_MAP[? "reset_display"])
+		PANEL_PREVIEW.setNodePreview(_node);
-				PANEL_PREVIEW.do_fullView = true;
-		}
 	}
 	
 	function setCurrentExport(_node = node_focus) {
@@ -861,7 +856,8 @@ function Panel_Graph(_panel) : PanelContent(_panel) constructor {
 						nodes_list		= NODES;
 						node_hover		= noone;
 						node_focus		= noone;
-						node_previewing = noone;
+						PANEL_PREVIEW.preview_node[0] = noone;
+						PANEL_PREVIEW.preview_node[1] = noone;
 						
 						toOrigin();
 						PANEL_ANIMATION.updatePropertyList();
@@ -871,7 +867,8 @@ function Panel_Graph(_panel) : PanelContent(_panel) constructor {
 						nodes_list		= node_context[| i].nodes;
 						node_hover		= noone;
 						node_focus		= noone;
-						node_previewing = noone;
+						PANEL_PREVIEW.preview_node[0] = noone;
+						PANEL_PREVIEW.preview_node[1] = noone;
 						
 						toOrigin();
 						PANEL_ANIMATION.updatePropertyList();

scripts/panel_inspector/panel_inspector.gml

@@ -267,18 +267,24 @@ function Panel_Inspector(_panel) : PanelContent(_panel) constructor {
 									hh += 34 + padd;
 									break;
 								case VALUE_TYPE.path :
-									jun.editWidget.draw(32, _hsy, w - 80, 34, _m);
-									
-									draw_sprite_ext(s_button_path_icon, 0, w - 72, _hsy + 17, 1, 1, 0, c_white, 1);
-									draw_set_text(f_p0, fa_left, fa_center, c_white);
-								
 									var val = jun.showValue(), txt;
+									var pathExist = jun.value_validation == VALIDATION.pass;
+									
 									if(is_array(val)) {
 										txt = "[" + string(array_length(val)) + "] " + val[0];
-									} else 
+									} else {
 										txt = val;
+									}
 									
+									jun.editWidget.draw(32, _hsy, w - 80, 34, _m,, pathExist? c_white : c_ui_red);
+									draw_sprite_ext(pathExist? s_button_path_icon : s_button_path_not_found_icon, 0, w - 72, _hsy + 17, 1, 1, 0, c_white, 1);
+									draw_set_text(f_p0, fa_left, fa_center, c_white);
 									draw_text_cut(40, _hsy + 17, txt, w - 140);
+									
+									if(!pathExist && point_in_rectangle(_m[0], _m[1], w - 72 - 17, _hsy, w - 72 + 17, _hsy + 34)) {
+										TOOLTIP = "File not exist";
+									}
+									
 									_hey = _hsy + 34;
 									hh += 34 + padd;
 									break;

scripts/panel_preview/panel_preview.gml

@@ -20,14 +20,15 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 	canvas_drag_sx  = 0;
 	canvas_drag_sy  = 0;
 	
-	preview_channel = 0;
+	preview_node	= [ noone, noone ];
-	preview_surface = 0;
+	preview_channel = [ 0, 0 ];
+	preview_surface = [ 0, 0 ];
 	
 	preview_x		= 0;
 	preview_x_to	= 0;
 	preview_x_max	= 0;
-	preview_sequence  = 0;
+	preview_sequence  = [ 0, 0 ];
-	_preview_sequence = 0;
+	_preview_sequence = preview_sequence;
 	preview_rate     = 10;
 	
 	grid_show	= false;
@@ -38,6 +39,48 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 	tool_sub_index	= 0;
 	
 	right_menu_y = 8;
+	mouse_on_preview = false;
+	
+	resetViewOnDoubleClick = true;
+	
+	splitView = 0;
+	splitPosition = 0.5;
+	splitSelection = 0;
+	
+	splitViewDragging = false;
+	splitViewStart = 0;
+	splitViewMouse = 0;
+	
+	toolbar_height = 40;
+	toolbars = [
+		[ 
+			s_icon_reset_when_preview,
+			function() { return resetViewOnDoubleClick;  },
+			function() { return resetViewOnDoubleClick? "Center canvas on preview" : "Keep canvas on preview" }, 
+			function() { resetViewOnDoubleClick = !resetViewOnDoubleClick; } 
+		],
+		[ 
+			s_icon_split_view,
+			function() { return splitView;  },
+			function() { 
+				switch(splitView) {
+					case 0 : return "Split view off";
+					case 1 : return "Horizontal split view";
+					case 2 : return "Vertical split view";
+				}
+				return "Split view";
+			}, 
+			function() { splitView = (splitView + 1) % 3; } 
+		],
+	];
+	
+	actions = [
+		[ 
+			s_icon_center_canvas,
+			"Center canvas", 
+			function() { fullView(); }
+		],
+	]
 	
 	tb_framerate = new textBox(TEXTBOX_INPUT.number, function(val) { preview_rate = real(val); })
 	
@@ -46,6 +89,50 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 	
 	addHotkey("Preview", "Toggle grid",			"G", MOD_KEY.ctrl,	function() { grid_show = !grid_show; });
 	
+	function setNodePreview(node) {
+		if(resetViewOnDoubleClick)
+			do_fullView = true;
+		
+		preview_node[splitView? splitSelection : 0] = node;
+	}
+	
+	function getNodePreview() { return preview_node[splitView? splitSelection : 0]; }
+	function getNodePreviewSurface() { return preview_surface[splitView? splitSelection : 0]; }
+	function getNodePreviewSequence() { return preview_sequence[splitView? splitSelection : 0]; }
+	
+	function getPreviewData() {
+		preview_surface  = [ 0, 0 ];
+		preview_sequence = [ 0, 0 ];
+		
+		for( var i = 0; i < 2; i++ ) {
+			var node = preview_node[i];
+			
+			if(node == noone) continue;
+			if(node.preview_channel >= ds_list_size(node.outputs)) continue;
+			
+			var _prev_val = node.outputs[| node.preview_channel];
+			if(_prev_val.type != VALUE_TYPE.surface) return;
+			
+			var value = _prev_val.getValue();
+			
+			if(is_array(value))
+				preview_sequence[i] = value;
+			else
+				preview_surface[i] = value;
+		
+			if(preview_sequence[i] != 0) {
+				if(array_length(preview_sequence[i]) == 0) return;
+				preview_surface[i] = preview_sequence[i][safe_mod(node.preview_index, array_length(preview_sequence[i]))];
+			}
+		}
+		
+		var prevS = getNodePreviewSurface();
+		if(is_surface(prevS)) {
+			canvas_w = surface_get_width(prevS);
+			canvas_h = surface_get_height(prevS);	
+		}
+	}
+	
 	function dragCanvas() {
 		if(canvas_dragging) {
 			var dx = mx - canvas_drag_mx;
@@ -87,10 +174,12 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 	}
 	
 	function fullView() {
-		if(!is_surface(preview_surface)) return;
+		var prevS = getNodePreviewSurface();
+		if(!is_surface(prevS)) return;
+		
+		canvas_w = surface_get_width(prevS);
+		canvas_h = surface_get_height(prevS);
 				
-		canvas_w = surface_get_width(preview_surface);
-		canvas_h = surface_get_height(preview_surface);
 		
 		var ss = min((w - 32) / canvas_w, (h - 32) / canvas_h);
 		canvas_s = ss;
@@ -103,13 +192,22 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 		}
 	}
 	
-	sbChannel = new scrollBox([], function(index) { PANEL_GRAPH.node_previewing.preview_channel = index; });
+	sbChannel = new scrollBox([], function(index) { 
+		var node = getNodePreview();
+		if(node == noone) return;
+		
+		node.preview_channel = index; 
+	});
+	
 	sbChannel.align = fa_left;
-	function drawNodeChannel(_node) {
+	function drawNodeChannel(_x, _y) {
+		var _node = getNodePreview();
+		if(_node == noone) return;
 		if(ds_list_size(_node.outputs) < 2) return;
 		
 		var chName = [];
 		var ww = 40;
+		var hh = 28;
 		draw_set_text(f_p0, fa_center, fa_center, c_white);
 		
 		for( var i = 0; i < ds_list_size(_node.outputs); i++ ) {
@@ -120,57 +218,94 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 		sbChannel.hover = HOVER == panel;
 		sbChannel.active = FOCUS == panel;
 		
-		sbChannel.draw(w - 8 - ww, right_menu_y, ww, 34, _node.outputs[| _node.preview_channel].name, [mx, my], panel.x, panel.y);
+		sbChannel.draw(_x - ww, _y - hh / 2, ww, hh, _node.outputs[| _node.preview_channel].name, [mx, my], panel.x, panel.y);
 		right_menu_y += 40;
 	}
 	
-	function drawNodePreview(_node) {
+	function drawNodePreview() {
-		preview_surface  = 0;
+		var ss  = canvas_s;
-		preview_sequence = 0;
-		if(_node.preview_channel >= ds_list_size(_node.outputs)) return;
 		
-		var _prev_val = _node.outputs[| _node.preview_channel];
+		if(is_surface(preview_surface[0])) {
-		if(_prev_val.type != VALUE_TYPE.surface) return;
+			var psx = canvas_x + preview_node[0].preview_x * ss;
+			var psy = canvas_y + preview_node[0].preview_y * ss;
 			
-		var value = _prev_val.getValue();
+			var psw = surface_get_width(preview_surface[0]);
+			var psh = surface_get_height(preview_surface[0]);
+			var pswd = psw * ss;
+			var pshd = psh * ss;
 			
-		if(is_array(value)) {
+			var psx1 = psx + pswd;
-			preview_sequence = value;
+			var psy1 = psy + pshd;	
-		} else {
-			preview_surface = value;
-			canvas_w = surface_get_width(preview_surface);
-			canvas_h = surface_get_height(preview_surface);
 		}
 		
-		if(preview_sequence != 0) {
+		if(is_surface(preview_surface[1])) {
-			if(array_length(preview_sequence) == 0) return;
+			var ssx = canvas_x + preview_node[1].preview_x * ss;
-			preview_surface = preview_sequence[safe_mod(_node.preview_index, array_length(preview_sequence))];
+			var ssy = canvas_y + preview_node[1].preview_y * ss;
 			
-			canvas_w = surface_get_width(preview_surface);
+			var ssw = surface_get_width(preview_surface[1]);
-			canvas_h = surface_get_height(preview_surface);	
+			var ssh = surface_get_height(preview_surface[1]);
 		}
 		
-		if(is_surface(preview_surface)) {
+		switch(splitView) {
-			draw_surface_ext_safe(preview_surface, canvas_x + _node.preview_x * canvas_s, canvas_y + _node.preview_y * canvas_s, canvas_s, canvas_s, 0, c_white, 1);
+			case 0 :
-			
+				if(is_surface(preview_surface[0])) {
-			if(FOCUS == panel) {
+					preview_node[0].previewing = 1;
-				if(mouse_check_button_pressed(mb_right)) {
+					draw_surface_ext_safe(preview_surface[0], psx, psy, ss, ss, 0, c_white, 1);						
-					var dia = dialogCall(o_dialog_menubox, mouse_mx + 8, mouse_my + 8);
-					dia.setMenu([ 
-						[ "Save current preview as...", function() { PANEL_PREVIEW.saveCurrentFrame(); } ], 
-						[ "Save all current previews as...", function() { PANEL_PREVIEW.saveAllCurrentFrames(); } ], 
-					]);
 				}
-			}
+				break;
+			case 1 :
+				var sp = splitPosition * w;
 				
-			if(do_fullView) {
+				if(is_surface(preview_surface[0])) {
-				do_fullView = false;
+					preview_node[0].previewing = 2;
-				fullView();
+					var maxX = min(sp, psx1);
-			}
+					var sW = min(psw, (maxX - psx) / ss);
+					
+					if(sW > 0)
+						draw_surface_part_ext_safe(preview_surface[0], 0, 0, sW, psh, psx, psy, ss, ss, 0, c_white, 1);
+				}
+				
+				if(is_surface(preview_surface[1])) {
+					preview_node[1].previewing = 3;
+					var minX = max(ssx, sp);
+					var sX = (minX - ssx) / ss;
+					var spx = max(sp, ssx);
+					
+					if(sX >= 0 && sX < ssw)
+						draw_surface_part_ext_safe(preview_surface[1], sX, 0, ssw - sX, ssh, spx, ssy, ss, ss, 0, c_white, 1);
+				}
+				break;
+			case 2 :
+				var sp = splitPosition * h;
+					
+				if(is_surface(preview_surface[0])) {
+					preview_node[0].previewing = 4;
+					var maxY = min(sp, psy1);
+					var sH = min(psh, (maxY - psy) / ss);
+					
+					if(sH > 0)
+						draw_surface_part_ext_safe(preview_surface[0], 0, 0, psw, sH, psx, psy, ss, ss, 0, c_white, 1);
+				}
+				
+				if(is_surface(preview_surface[1])) {
+					preview_node[1].previewing = 5;
+					var minY = max(ssy, sp);
+					var sY = (minY - ssy) / ss;
+					var spy = max(sp, ssy);
+					
+					if(sY >= 0 && sY < ssh)
+						draw_surface_part_ext_safe(preview_surface[1], 0, sY, ssw, ssh - sY, ssx, spy, ss, ss, 0, c_white, 1);
+				}
+				break;
 		}
 	}
 	
 	function drawPreviewOverlay(_node) {
+		right_menu_y = 8;
+		draw_set_text(f_p0, fa_right, fa_top, c_ui_blue_ltgrey);
+		draw_text(w - 8, right_menu_y, "fps " + string(fps));
+		right_menu_y += 20;
+		
 		draw_set_text(f_p0, fa_right, fa_top, c_ui_blue_ltgrey);
 		draw_text(w - 8, right_menu_y, "frame " + string(ANIMATOR.current_frame) + "/" + string(ANIMATOR.frames_total));
 		right_menu_y += 20;
@@ -182,9 +317,10 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 		var prev_size = 48;
 		preview_x = lerp_float(preview_x, preview_x_to, 5);
 		
-		if(preview_sequence != 0) {
+		var pseq = getNodePreviewSequence();
-			if(preview_sequence != _preview_sequence) {
+		if(pseq != 0) {
-				_preview_sequence = preview_sequence;
+			if(pseq != _preview_sequence) {
+				_preview_sequence = pseq;
 				preview_x    = 0;
 				preview_x_to = 0;
 			}
@@ -196,11 +332,11 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 			}
 			
 			preview_x_max = 0;
-			for(var i = 0; i < array_length(preview_sequence); i++) {
+			for(var i = 0; i < array_length(pseq); i++) {
 				var xx = preview_x + 8 + (prev_size + 8) * i;
 				var yy = h - prev_size - 8;
 				
-				var prev   = preview_sequence[i];
+				var prev   = pseq[i];
 				if(!is_surface(prev)) continue;
 				
 				var prev_w = surface_get_width(prev);
@@ -282,12 +418,15 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 	
 	function drawNodeOverlay(_active, _node) {
 		var active = _active;
+		var _mx = mouse_on_preview? mx : -99999;
+		var _my = mouse_on_preview? my : -99999;
+		
 		if(_node.tools != -1) {
 			var xx = 16;
 			var yy = 16;
 			
 			for(var i = 0; i < array_length(_node.tools); i++) {
-				var b = buttonInstant(s_button, xx, yy, 40, 40, [mx, my], FOCUS == panel, HOVER == panel);
+				var b = buttonInstant(s_button, xx, yy, 40, 40, [_mx, _my], FOCUS == panel, HOVER == panel);
 				var toggle = false;
 				if(b == 1) {
 					TOOLTIP = _node.tools[i][0];
@@ -321,11 +460,115 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 			}
 		}
 		
-		_node.drawOverlay(active, canvas_x + _node.preview_x * canvas_s, canvas_y + _node.preview_y * canvas_s, canvas_s, mx, my);
+		_node.drawOverlay(active, canvas_x + _node.preview_x * canvas_s, canvas_y + _node.preview_y * canvas_s, canvas_s, _mx, _my);
+	}
+	
+	function drawToolBar() {
+		var ty = h - toolbar_height;
+		//draw_sprite_stretched_ext(s_toolbar_shadow, 0, 0, ty - 12 + 4, w, 12, c_white, 0.5);
+		draw_set_color(c_ui_blue_black);
+		draw_rectangle(0, ty, w, h, false);
+		
+		draw_set_color(c_ui_blue_dkgrey);
+		draw_line(0, ty, w, ty);
+		
+		var tbx = toolbar_height / 2;
+		var tby = ty + toolbar_height / 2;
+		
+		for( var i = 0; i < array_length(toolbars); i++ ) {
+			var tb = toolbars[i];
+			var tbSpr = tb[0];
+			var tbInd = tb[1]();
+			var tbTooltip = tb[2]();
+			
+			var b = buttonInstant(s_button_hide, tbx - 14, tby - 14, 28, 28, [mx, my], FOCUS == panel, HOVER == panel, tbTooltip, tbSpr, tbInd);
+			if(b == 2) tb[3]();
+			
+			tbx += 32;
+		}
+		
+		tbx = w - toolbar_height / 2;
+		for( var i = 0; i < array_length(actions); i++ ) {
+			var tb = actions[i];
+			var tbSpr = tb[0];
+			var tbTooltip = tb[1];
+			
+			var b = buttonInstant(s_button_hide, tbx - 14, tby - 14, 28, 28, [mx, my], FOCUS == panel, HOVER == panel, tbTooltip, tbSpr, 0);
+			if(b == 2) tb[2]();
+			
+			tbx -= 32;
+		}
+		
+		draw_set_color(c_ui_blue_dkblack);
+		draw_line_width(tbx + 12, tby - toolbar_height / 2 + 8, tbx + 12, tby + toolbar_height / 2 - 8, 2);
+		drawNodeChannel(tbx, tby);
+	}
+	
+	function drawSplitView() {
+		if(splitView == 0) return;
+		
+		draw_set_color(c_ui_blue_grey);
+		
+		if(splitViewDragging) {
+			if(splitView == 1) {
+				var cx = splitViewStart + (mx - splitViewMouse);
+				splitPosition = clamp(cx / w, .1, .9);
+			} else if(splitView == 2) {
+				var cy = splitViewStart + (my - splitViewMouse);
+				splitPosition = clamp(cy / h, .1, .9);
+			}
+			
+			if(mouse_check_button_released(mb_left))
+				splitViewDragging = false;
+		}
+		
+		if(splitView == 1) {
+			var sx = w * splitPosition;
+			
+			if(mouse_on_preview && point_in_rectangle(mx, my, sx - 2, 0, sx + 2, h)) {
+				draw_line_width(sx, 0, sx, h, 2);
+				if(mouse_check_button_pressed(mb_left)) {
+					splitViewDragging = true;
+					splitViewStart = sx;
+					splitViewMouse = mx;
+				}
+			} else 
+				draw_line_width(sx, 0, sx, h, 1);
+			
+			
+			draw_sprite(s_panel_active_split, 0, splitSelection? sx + 16 : sx - 16, 16);
+			
+			if(mouse_on_preview && mouse_check_button_pressed(mb_left)) {
+				if(point_in_rectangle(mx, my, 0, 0, sx, h))
+					splitSelection = 0;
+				else if(point_in_rectangle(mx, my, sx, 0, w, h))
+					splitSelection = 1;
+			}
+		} else {
+			var sy = h * splitPosition;
+			
+			if(mouse_on_preview && point_in_rectangle(mx, my, 0, sy - 2, w, sy + 2)) {
+				draw_line_width(0, sy, w, sy, 2);
+				if(mouse_check_button_pressed(mb_left)) {
+					splitViewDragging = true;
+					splitViewStart = sy;
+					splitViewMouse = my;
+				}
+			} else
+				draw_line_width(0, sy, w, sy, 1);
+			draw_sprite(s_panel_active_split, 0, 16, splitSelection? sy + 16 : sy - 16);
+			
+			if(mouse_on_preview && mouse_check_button_pressed(mb_left)) {
+				if(point_in_rectangle(mx, my, 0, 0, w, sy))
+					splitSelection = 0;
+				else if(point_in_rectangle(mx, my, 0, sy, w, h))
+					splitSelection = 1;
+			}
+		}
 	}
 	
 	function drawContent() {
-		right_menu_y = 8;
+		mouse_on_preview = point_in_rectangle(mx, my, 0, 0, w, h - toolbar_height);
 		
 		draw_clear(c_ui_blue_black);
 		if(canvas_bg == -1) {
@@ -335,38 +578,51 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 		}
 		
 		dragCanvas();
-		if(PANEL_GRAPH.node_previewing) {
-			PANEL_GRAPH.node_previewing.previewing = true;
-			drawNodePreview(PANEL_GRAPH.node_previewing);
-			drawNodeChannel(PANEL_GRAPH.node_previewing);
-		}
 		
-		draw_set_text(f_p0, fa_right, fa_top, c_ui_blue_ltgrey);
+		getPreviewData();
-		draw_text(w - 8, right_menu_y, "fps " + string(fps));
+		drawNodePreview();
-		right_menu_y += 20;
 		
-		if(PANEL_GRAPH.node_previewing) {
+		if(PANEL_GRAPH.node_focus)
-			drawPreviewOverlay(PANEL_GRAPH.node_previewing);
-		}
-		
-		if(PANEL_GRAPH.node_focus) {
 			drawNodeOverlay(FOCUS == panel, PANEL_GRAPH.node_focus);
+		
+		var viewNode = getNodePreview();
+		if(viewNode) {
+			drawPreviewOverlay(viewNode);
 		}
 		
 		if(last_focus != PANEL_GRAPH.node_focus) {
 			last_focus = PANEL_GRAPH.node_focus;
 			tool_index = -1;
 		}
+		
+		if(do_fullView) {
+			do_fullView = false;
+			fullView();
+		}
+		
+		if(FOCUS == panel) {
+			if(mouse_check_button_pressed(mb_right)) {
+				var dia = dialogCall(o_dialog_menubox, mouse_mx + 8, mouse_my + 8);
+				dia.setMenu([ 
+					[ "Save current preview as...", function() { PANEL_PREVIEW.saveCurrentFrame(); } ], 
+					[ "Save all current previews as...", function() { PANEL_PREVIEW.saveAllCurrentFrames(); } ], 
+				]);
+			}
+		}
+		
+		drawSplitView();
+		drawToolBar();
 	}
 	
 	function saveCurrentFrame() {
-		if(!is_surface(preview_surface)) return;
+		var prevS = getNodePreviewSurface();
+		if(!is_surface(prevS)) return;
 		
 		var path = get_save_filename(".png", "export");
 		if(path == "") return;
 		if(filename_ext(path) == "") path += ".png";
 		
-		surface_save(preview_surface, path);
+		surface_save(prevS, path);
 	}
 	
 	function saveAllCurrentFrames() {
@@ -378,8 +634,9 @@ function Panel_Preview(_panel) : PanelContent(_panel) constructor {
 		var name = string_replace_all(path, ext, "");
 		var ind  = 0;
 		
-		for(var i = 0; i < array_length(preview_sequence); i++) {
+		var pseq = getNodePreviewSequence();
-			var prev   = preview_sequence[i];
+		for(var i = 0; i < array_length(pseq); i++) {
+			var prev   = pseq[i];
 			if(!is_surface(prev)) continue;
 			var _name = name + string(ind) + ext;
 			surface_save(prev, _name);

scripts/surface_modify/surface_modify.gml

@@ -7,6 +7,9 @@ function draw_surface_ext_safe(surface, _x, _y, _xs, _ys, _rot, _col, _alpha) {
 function draw_surface_tiled_ext_safe(surface, _x, _y, _xs, _ys, _col, _alpha) {
 	if(is_surface(surface)) draw_surface_tiled_ext(surface, _x, _y, _xs, _ys, _col, _alpha);
 }
+function draw_surface_part_ext_safe(surface, _l, _t, _w, _h, _x, _y, _xs, _ys, _rot, _col, _alpha) {
+	if(is_surface(surface)) draw_surface_part_ext(surface, _l, _t, _w, _h, _x, _y, _xs, _ys, _col, _alpha);
+}
 
 function surface_size_to(surface, width, height) {
 	if(width <= 1 || height <= 1) return false;

shaders/sh_edge_detect/sh_edge_detect.fsh

@@ -0,0 +1,58 @@
+//
+// Simple passthrough fragment shader
+//
+varying vec2 v_vTexcoord;
+varying vec4 v_vColour;
+
+uniform vec2 dimension;
+uniform int filter;
+
+const mat3 sobel = mat3( -1., -2., -1., 
+						  0.,  0.,  0., 
+						  1.,  2.,  1);
+	
+const mat3 prewit = mat3( -1., -1., -1., 
+						   0.,  0.,  0., 
+						   1.,  1.,  1);
+
+const mat3 laplac = mat3(  1.,   1.,  1., 
+						   1.,  -8.,  1., 
+						   1.,   1.,  1);
+						   
+#define TAU  6.28318
+
+float bright(in vec4 col) {
+	return dot(col.rgb, vec3(0.2126, 0.7152, 0.0722)) * col.a;
+}
+
+void main() {
+	vec2 texel = vec2(1.) / dimension;
+	vec4 point = texture2D( gm_BaseTexture, v_vTexcoord );
+	vec4 hColor = vec4(0.);
+	vec4 vColor = vec4(0.);
+	
+	for(float i = -1.; i <= 1.; i++) {
+		for(float j = -1.; j <= 1.; j++) {
+			vec2 pxs = v_vTexcoord + vec2(texel.x * i, texel.y * j);
+			pxs = clamp(pxs, vec2(0.), vec2(1.));
+			
+			int ii = int(1. + i);
+			int jj = int(1. + j);
+			
+			if(filter == 0) {
+				hColor += texture2D( gm_BaseTexture, pxs ) * sobel[jj][ii];
+				vColor += texture2D( gm_BaseTexture, pxs ) * sobel[ii][jj];
+			} else if(filter == 1) {
+				hColor += texture2D( gm_BaseTexture, pxs ) * prewit[jj][ii];
+				vColor += texture2D( gm_BaseTexture, pxs ) * prewit[ii][jj];	
+			} else if(filter == 2) {
+				hColor += texture2D( gm_BaseTexture, pxs ) * laplac[jj][ii];
+			}
+		}
+	}
+	
+	if(filter == 2)
+		gl_FragColor = vec4(vec3(hColor), point.a);
+	else	
+		gl_FragColor = vec4(vec3(distance(hColor, vColor)), point.a);
+}

shaders/sh_edge_detect/sh_edge_detect.vsh

@@ -0,0 +1,19 @@
+//
+// Simple passthrough vertex shader
+//
+attribute vec3 in_Position;                  // (x,y,z)
+//attribute vec3 in_Normal;                  // (x,y,z)     unused in this shader.
+attribute vec4 in_Colour;                    // (r,g,b,a)
+attribute vec2 in_TextureCoord;              // (u,v)
+
+varying vec2 v_vTexcoord;
+varying vec4 v_vColour;
+
+void main()
+{
+    vec4 object_space_pos = vec4( in_Position.x, in_Position.y, in_Position.z, 1.0);
+    gl_Position = gm_Matrices[MATRIX_WORLD_VIEW_PROJECTION] * object_space_pos;
+    
+    v_vColour = in_Colour;
+    v_vTexcoord = in_TextureCoord;
+}

shaders/sh_edge_detect/sh_edge_detect.yy

@@ -0,0 +1,11 @@
+{
+  "type": 1,
+  "parent": {
+    "name": "filter",
+    "path": "folders/shader/filter.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "sh_edge_detect",
+  "tags": [],
+  "resourceType": "GMShader",
+}

shaders/sh_shape/sh_shape.fsh

@@ -19,6 +19,8 @@ uniform vec2 dimension;
 uniform vec2 center;
 uniform vec2 scale;
 
+uniform vec4 bgColor;
+
 #define PI  3.14159265359
 #define TAU 6.28318530718
 
@@ -125,8 +127,5 @@ void main() {
 			color = smoothstep(0.05, 0., d);
 	}
 	
-	if(bg == 0) 
+	gl_FragColor = mix(bgColor, v_vColour, color);
-		gl_FragColor = vec4(vec3(1.), color);
-	else
-		gl_FragColor = vec4(vec3(v_vColour.rgb * color), 1.0);
 }

shaders/sh_texture_remap/sh_texture_remap.fsh

@@ -8,5 +8,5 @@ uniform sampler2D map;
 
 void main() {
 	vec2 pos = texture2D( map, v_vTexcoord ).rg;
-    gl_FragColor = texture2D( gm_BaseTexture, pos );
+    gl_FragColor = texture2D( gm_BaseTexture, vec2(1. - pos.x, pos.y) );
 }

sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy

@@ -0,0 +1,79 @@
+{
+  "bboxMode": 0,
+  "collisionKind": 1,
+  "type": 0,
+  "origin": 4,
+  "preMultiplyAlpha": false,
+  "edgeFiltering": false,
+  "collisionTolerance": 0,
+  "swfPrecision": 2.525,
+  "bbox_left": 2,
+  "bbox_right": 23,
+  "bbox_top": 3,
+  "bbox_bottom": 22,
+  "HTile": false,
+  "VTile": false,
+  "For3D": false,
+  "width": 24,
+  "height": 24,
+  "textureGroupId": {
+    "name": "Default",
+    "path": "texturegroups/Default",
+  },
+  "swatchColours": null,
+  "gridX": 0,
+  "gridY": 0,
+  "frames": [
+    {"compositeImage":{"FrameId":{"name":"20bf0b30-087f-41ea-9f65-bab0ad8f6cf6","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},"LayerId":null,"resourceVersion":"1.0","name":"","tags":[],"resourceType":"GMSpriteBitmap",},"images":[
+        {"FrameId":{"name":"20bf0b30-087f-41ea-9f65-bab0ad8f6cf6","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},"LayerId":{"name":"43bd08bf-5a27-4723-8af6-0df84c346384","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},"resourceVersion":"1.0","name":"","tags":[],"resourceType":"GMSpriteBitmap",},
+      ],"parent":{"name":"s_button_path_not_found_icon","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},"resourceVersion":"1.0","name":"20bf0b30-087f-41ea-9f65-bab0ad8f6cf6","tags":[],"resourceType":"GMSpriteFrame",},
+  ],
+  "sequence": {
+    "spriteId": {"name":"s_button_path_not_found_icon","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},
+    "timeUnits": 1,
+    "playback": 1,
+    "playbackSpeed": 30.0,
+    "playbackSpeedType": 0,
+    "autoRecord": true,
+    "volume": 1.0,
+    "length": 1.0,
+    "events": {"Keyframes":[],"resourceVersion":"1.0","resourceType":"KeyframeStore`1","elementType":"MessageEventKeyframe",},
+    "moments": {"Keyframes":[],"resourceVersion":"1.0","resourceType":"KeyframeStore`1","elementType":"MomentsEventKeyframe",},
+    "tracks": [
+      {"name":"frames","spriteId":null,"keyframes":{"Keyframes":[
+            {"id":"fcd0eae0-37d1-464b-8779-bdd09d91ae56","Key":0.0,"Length":1.0,"Stretch":false,"Disabled":false,"IsCreationKey":false,"Channels":{"0":{"Id":{"name":"20bf0b30-087f-41ea-9f65-bab0ad8f6cf6","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},"resourceVersion":"1.0","resourceType":"SpriteFrameKeyframe",},},"resourceVersion":"1.0","resourceType":"Keyframe`1","elementType":"SpriteFrameKeyframe",},
+          ],"resourceVersion":"1.0","resourceType":"KeyframeStore`1","elementType":"SpriteFrameKeyframe",},"trackColour":0,"inheritsTrackColour":true,"builtinName":0,"traits":0,"interpolation":1,"tracks":[],"events":[],"isCreationTrack":false,"resourceVersion":"1.0","tags":[],"resourceType":"GMSpriteFramesTrack","modifiers":[],},
+    ],
+    "visibleRange": {"x":0.0,"y":0.0,},
+    "lockOrigin": false,
+    "showBackdrop": true,
+    "showBackdropImage": false,
+    "backdropImagePath": "",
+    "backdropImageOpacity": 0.5,
+    "backdropWidth": 1366,
+    "backdropHeight": 768,
+    "backdropXOffset": 0.0,
+    "backdropYOffset": 0.0,
+    "xorigin": 12,
+    "yorigin": 12,
+    "eventToFunction": {},
+    "eventStubScript": null,
+    "parent": {"name":"s_button_path_not_found_icon","path":"sprites/s_button_path_not_found_icon/s_button_path_not_found_icon.yy",},
+    "resourceVersion": "1.4",
+    "name": "s_button_path_not_found_icon",
+    "tags": [],
+    "resourceType": "GMSequence",
+  },
+  "layers": [
+    {"visible":true,"isLocked":false,"blendMode":0,"opacity":100.0,"displayName":"default","resourceVersion":"1.0","name":"43bd08bf-5a27-4723-8af6-0df84c346384","tags":[],"resourceType":"GMImageLayer",},
+  ],
+  "nineSlice": null,
+  "parent": {
+    "name": "icon",
+    "path": "folders/sprites/icon.yy",
+  },
+  "resourceVersion": "1.0",
+  "name": "s_button_path_not_found_icon",
+  "tags": [],
+  "resourceType": "GMSprite",
+}

sprites/s_icon_center_canvas/s_icon_center_canvas.yy

@@ -0,0 +1,79 @@
+{
+  "bboxMode": 0,
+  "collisionKind": 1,
+  "type": 0,
+  "origin": 4,
+  "preMultiplyAlpha": false,
+  "edgeFiltering": false,
+  "collisionTolerance": 0,
+  "swfPrecision": 2.525,
+  "bbox_left": 1,
+  "bbox_right": 22,
+  "bbox_top": 1,
+  "bbox_bottom": 22,
+  "HTile": false,
+  "VTile": false,
+  "For3D": false,
+  "width": 24,
+  "height": 24,
+  "textureGroupId": {
+    "name": "Default",
+    "path": "texturegroups/Default",
+  },
+  "swatchColours": null,
+  "gridX": 0,
+  "gridY": 0,
+  "frames": [
+    {"compositeImage":{"FrameId":{"name":"531efc3e-504c-45a6-9725-1ba64f8e23ac","path":"sprites/s_icon_center_canvas/s_icon_center_canvas.yy",},"LayerId":null,"resourceVersion":"1.0","name":"","tags":[],"resourceType":"GMSpriteBitmap",},"images":[
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sprites/s_icon_split_view/s_icon_split_view.yy

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sprites/s_node_shape/s_node_shape.yy

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sprites/s_node_val/s_node_val.yy

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