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Pixel-Composer/scripts/node_canvas/node_canvas.gml
MakhamDev be1d1af2b3 1.15.5
2023-10-18 19:58:55 +07:00

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function Node_Canvas(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Canvas";
color = COLORS.node_blend_canvas;
inputs[| 0] = nodeValue("Dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, DEF_SURF )
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 1] = nodeValue("Color", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, c_white );
inputs[| 2] = nodeValue("Brush size", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1 )
.setDisplay(VALUE_DISPLAY.slider, { range: [1, 32, 1] });
inputs[| 3] = nodeValue("Fill threshold", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 4] = nodeValue("Fill type", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_scroll, ["4 connect", "8 connect", "Entire canvas"]);
inputs[| 5] = nodeValue("Draw preview overlay", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
inputs[| 6] = nodeValue("Brush", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, -1)
.setVisible(true, false);
inputs[| 7] = nodeValue("Surface amount", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1);
inputs[| 8] = nodeValue("Background", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, -1);
inputs[| 9] = nodeValue("Background alpha", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1.)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 10] = nodeValue("Render background", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
inputs[| 11] = nodeValue("Alpha", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1 )
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 12] = nodeValue("Frames animation", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false );
inputs[| 13] = nodeValue("Animation speed", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1 );
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
frame_renderer_x = 0;
frame_renderer_x_to = 0;
frame_renderer_x_max = 0;
frame_renderer_content = surface_create(1, 1);
frame_renderer = new Inspector_Custom_Renderer(function(_x, _y, _w, _m, _hover, _focus) { #region
var _h = 64;
_y += 8;
var _cnt_hover = false;
draw_sprite_stretched(THEME.button, 0, _x, _y, _w, _h);
if(_hover && frame_renderer.parent != noone && point_in_rectangle(_m[0], _m[1], _x, _y, _x + _w, _y + _h)) {
frame_renderer.parent.scroll_lock = true;
_cnt_hover = _hover;
}
var _ww = _w - 4 - 40;
var _hh = _h - 4 - 4;
var _x0 = _x + 4;
var _y0 = _y + 4;
var _x1 = _x0 + _ww;
var _y1 = _y0 + _hh;
draw_sprite_stretched(THEME.ui_panel_bg, 1, _x0, _y0, _ww, _hh);
frame_renderer_x_max = 0;
frame_renderer_content = surface_verify(frame_renderer_content, _ww, _hh);
surface_set_shader(frame_renderer_content);
var _msx = _m[0] - _x0;
var _msy = _m[1] - _y0;
var _fr_h = _hh - 8;
var _fr_w = _fr_h;
var _fr_x = 8 - frame_renderer_x;
var _fr_y = 4;
var surfs = output_surface;
var _del = noone;
for( var i = 0, n = attributes.frames; i < n; i++ ) {
var _surf = surfs[i];
if(!is_surface(_surf)) continue;
var _sw = surface_get_width(_surf);
var _sh = surface_get_height(_surf);
var _ss = min(_fr_w / _sw, _fr_h / _sh);
var _sx = _fr_x;
var _sy = _fr_y + _fr_h / 2 - _sh * _ss / 2;
draw_surface_ext(_surf, _sx, _sy, _ss, _ss, 0, c_white, 0.75);
draw_set_color(i == preview_index? COLORS._main_accent : COLORS.panel_toolbar_outline);
draw_rectangle(_sx, _sy, _sx + _sw * _ss, _sy + _sh * _ss, true);
var _del_x = _sx + _sw * _ss - 8;
var _del_y = _sy + 8;
var _del_a = 0;
if(_hover) {
if(point_in_circle(_msx, _msy, _del_x, _del_y, 8)) {
_del_a = 1;
if(mouse_press(mb_left, _focus))
_del = i;
} else if(point_in_rectangle(_msx, _msy, _sx, _sy, _sx + _sw * _ss, _sy + _sh * _ss)) {
if(mouse_press(mb_left, _focus)) preview_index = i;
}
}
draw_sprite(THEME.close_16, _del_a, _del_x, _del_y);
_fr_x += _sw * _ss + 8;
frame_renderer_x_max += _sw * _ss + 8;
}
if(_del > noone) removeFrame(_del);
surface_reset_shader();
draw_surface(frame_renderer_content, _x0, _y0);
frame_renderer_x_max = max(0, frame_renderer_x_max - 200);
frame_renderer_x = lerp_float(frame_renderer_x, frame_renderer_x_to, 3);
if(_cnt_hover) {
if(mouse_wheel_down()) frame_renderer_x_to = clamp(frame_renderer_x_to + 80, 0, frame_renderer_x_max);
if(mouse_wheel_up()) frame_renderer_x_to = clamp(frame_renderer_x_to - 80, 0, frame_renderer_x_max);
}
var _bs = 32;
var _bx = _x1 + ui(20) - _bs / 2;
var _by = _y + _h / 2 - _bs / 2;
if(buttonInstant(THEME.button_hide, _bx, _by, _bs, _bs, _m, _focus, _hover,, THEME.add,, COLORS._main_value_positive) == 2) {
attributes.frames++;
refreshFrames();
update();
}
return 8 + _h;
}); #endregion
input_display_list = [
["Output", false], 0, frame_renderer, 12, 13,
["Brush", false], 6, 2, 1, 11,
["Fill", false], 3, 4,
["Display", false], 8, 10, 9,
];
attributes.frames = 1;
attribute_surface_depth();
output_surface = [ surface_create_empty(1, 1) ];
canvas_surface = [ surface_create_empty(1, 1) ];
canvas_buffer = [ buffer_create(1 * 1 * 4, buffer_fixed, 2) ];
drawing_surface = surface_create_empty(1, 1);
_drawing_surface = surface_create_empty(1, 1);
surface_w = 1;
surface_h = 1;
prev_surface = surface_create_empty(1, 1);
preview_draw_surface = surface_create_empty(1, 1);
_preview_draw_surface = surface_create_empty(1, 1);
is_selecting = false;
is_selected = false;
is_select_drag = false;
selection_surface = surface_create_empty(1, 1);
selection_mask = surface_create_empty(1, 1);
selection_position = [ 0, 0 ];
selection_sx = 0;
selection_sy = 0;
selection_mx = 0;
selection_my = 0;
mouse_cur_x = 0;
mouse_cur_y = 0;
mouse_pre_x = 0;
mouse_pre_y = 0;
mouse_pre_draw_x = -1;
mouse_pre_draw_y = -1;
mouse_holding = false;
brush_sizing = false;
brush_sizing_s = 0;
brush_sizing_mx = 0;
brush_sizing_my = 0;
brush_sizing_dx = 0;
brush_sizing_dy = 0;
tool_channel_edit = new checkBoxGroup(THEME.tools_canvas_channel, function(ind, val) { tool_attribute.channel[ind] = val; });
tool_attribute.channel = [ true, true, true, true ];
tool_settings = [
[ "Channel", tool_channel_edit, "channel", tool_attribute ],
];
tools = [
new NodeTool( "Selection", [ THEME.canvas_tools_selection_rectangle, THEME.canvas_tools_selection_circle ]),
new NodeTool( "Pencil", THEME.canvas_tools_pencil),
new NodeTool( "Eraser", THEME.canvas_tools_eraser),
new NodeTool( "Rectangle", [ THEME.canvas_tools_rect, THEME.canvas_tools_rect_fill ]),
new NodeTool( "Ellipse", [ THEME.canvas_tools_ellip, THEME.canvas_tools_ellip_fill ]),
new NodeTool( "Fill", THEME.canvas_tools_bucket),
];
draw_stack = ds_list_create();
function removeFrame(index = 0) { #region
if(attributes.frames <= 1) return;
if(preview_index == attributes.frames)
preview_index--;
attributes.frames--;
array_delete(canvas_surface, index, 1);
array_delete(canvas_buffer, index, 1);
update();
} #endregion
function refreshFrames() { #region
var fr = attributes.frames;
if(array_length(canvas_surface) < fr) {
for( var i = array_length(canvas_surface); i < fr; i++ ) {
canvas_surface[i] = surface_create_empty(1, 1);
}
} else
array_resize(canvas_surface, fr);
if(array_length(canvas_buffer) < fr) {
for( var i = array_length(canvas_buffer); i < fr; i++ ) {
canvas_buffer[i] = buffer_create(1 * 1 * 4, buffer_fixed, 2);
}
} else
array_resize(canvas_buffer, fr);
} #endregion
function getCanvasSurface(index = preview_index) { #region
gml_pragma("forceinline");
return array_safe_get(canvas_surface, index);
} #endregion
function setCanvasSurface(surface, index = preview_index) { #region
gml_pragma("forceinline");
canvas_surface[index] = surface;
} #endregion
function storeAction() { #region
var action = recordAction(ACTION_TYPE.custom, function(data) {
is_selected = false;
var _canvas = surface_clone(getCanvasSurface(data.index));
if(is_surface(data.surface))
setCanvasSurface(surface_clone(data.surface), data.index);
surface_store_buffer(data.index);
surface_free(data.surface);
return { surface: _canvas, tooltip: data.tooltip, index: preview_index }
}, { surface: surface_clone(getCanvasSurface()), tooltip: "Modify canvas", index: preview_index });
action.clear_action = function(data) { surface_free_safe(data.surface); };
} #endregion
function apply_surfaces() { #region
for( var i = 0; i < attributes.frames; i++ )
apply_surface(i);
} #endregion
function apply_surface(index = preview_index) { #region
var _dim = getInputData(0);
var cDep = attrDepth();
var _canvas_surface = getCanvasSurface(index);
if(!is_surface(_canvas_surface)) {
setCanvasSurface(surface_create_from_buffer(_dim[0], _dim[1], canvas_buffer[index]));
} else if(surface_get_width_safe(_canvas_surface) != _dim[0] || surface_get_height_safe(_canvas_surface) != _dim[1]) {
buffer_delete(canvas_buffer[index]);
canvas_buffer[index] = buffer_create(_dim[0] * _dim[1] * 4, buffer_fixed, 4);
setCanvasSurface(surface_size_to(_canvas_surface, _dim[0], _dim[1]), index);
}
drawing_surface = surface_verify(drawing_surface, _dim[0], _dim[1], cDep);
surface_clear(drawing_surface);
} #endregion
function surface_store_buffers(index = preview_index) { #region
for( var i = 0; i < attributes.frames; i++ )
surface_store_buffer(i);
} #endregion
function surface_store_buffer(index = preview_index) { #region
if(index >= attributes.frames) return;
buffer_delete(canvas_buffer[index]);
var _canvas_surface = getCanvasSurface(index);
surface_w = surface_get_width_safe(_canvas_surface);
surface_h = surface_get_height_safe(_canvas_surface);
canvas_buffer[index] = buffer_create(surface_w * surface_h * 4, buffer_fixed, 4);
buffer_get_surface(canvas_buffer[index], _canvas_surface, 0);
triggerRender();
apply_surface(index);
} #endregion
function apply_draw_surface() { #region
var _alp = getInputData(11);
storeAction();
surface_set_target(getCanvasSurface());
if(isUsingTool("Eraser")) gpu_set_blendmode(bm_subtract);
else BLEND_ALPHA
draw_surface_ext_safe(drawing_surface, 0, 0, 1, 1, 0, c_white, _alp);
surface_reset_target();
surface_clear(drawing_surface);
BLEND_NORMAL;
surface_store_buffer();
} #endregion
function draw_point_size(_x, _y, _siz, _brush) { #region
if(!is_surface(_brush)) {
if(_siz <= 1)
draw_point(_x, _y);
else if(_siz == 2) {
draw_point(_x, _y);
draw_point(_x + 1, _y);
draw_point(_x, _y + 1);
draw_point(_x + 1, _y + 1);
} else if(_siz == 3) {
draw_point(_x, _y);
draw_point(_x - 1, _y);
draw_point(_x, _y - 1);
draw_point(_x + 1, _y);
draw_point(_x, _y + 1);
} else
draw_circle_prec(_x, _y, _siz / 2, 0);
} else {
var _sw = surface_get_width_safe(_brush);
var _sh = surface_get_height_safe(_brush);
draw_surface_ext_safe(_brush, _x - floor(_sw / 2), _y - floor(_sh / 2), 1, 1, 0, draw_get_color(), draw_get_alpha());
}
} #endregion
function draw_line_size(_x0, _y0, _x1, _y1, _siz, _brush) { #region
if(_x1 > _x0) _x0--;
if(_y1 > _y0) _y0--;
if(_y1 < _y0) _y1--;
if(_x1 < _x0) _x1--;
if(_siz == 1 && _brush == -1)
draw_line(_x0, _y0, _x1, _y1);
else {
var diss = point_distance(_x0, _y0, _x1, _y1);
var dirr = point_direction(_x0, _y0, _x1, _y1);
var st_x = lengthdir_x(1, dirr);
var st_y = lengthdir_y(1, dirr);
for( var i = 0; i <= diss; i += 1 ) {
var _px = _x0 + st_x * i;
var _py = _y0 + st_y * i;
draw_point_size(_px, _py, _siz, _brush);
}
draw_point_size(_x1, _y1, _siz, _brush);
}
} #endregion
function draw_rect_size(_x0, _y0, _x1, _y1, _siz, _fill, _brush) { #region
if(_x0 == _x1 && _y0 == _y1) {
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 _max_x = max(_x0, _x1);
var _min_y = min(_y0, _y1);
var _may_y = max(_y0, _y1);
if(_fill) {
draw_rectangle(_min_x, _min_y, _max_x, _may_y, 0);
} else if(_siz == 1 && _brush == -1)
draw_rectangle(_min_x + 1, _min_y + 1, _max_x - 1, _may_y - 1, 1);
else {
draw_line_size(_min_x, _min_y, _max_x, _min_y, _siz, _brush);
draw_line_size(_min_x, _min_y, _min_x, _may_y, _siz, _brush);
draw_line_size(_max_x, _may_y, _max_x, _min_y, _siz, _brush);
draw_line_size(_max_x, _may_y, _min_x, _may_y, _siz, _brush);
}
} #endregion
function draw_ellp_size(_x0, _y0, _x1, _y1, _siz, _fill, _brush) { #region
if(_x0 == _x1 && _y0 == _y1) {
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) - 1;
var _max_x = max(_x0, _x1);
var _min_y = min(_y0, _y1) - 1;
var _max_y = max(_y0, _y1);
if(_fill) {
draw_ellipse(_min_x, _min_y, _max_x, _max_y, 0);
} else {
var samp = 64;
var cx = (_min_x + _max_x) / 2;
var cy = (_min_y + _max_y) / 2;
var rx = abs(_x0 - _x1) / 2;
var ry = abs(_y0 - _y1) / 2;
var ox, oy, nx, ny;
for( var i = 0; i <= samp; i++ ) {
nx = cx + lengthdir_x(rx, 360 / samp * i);
ny = cy + lengthdir_y(ry, 360 / samp * i);
if(i) draw_line_size(ox, oy, nx, ny, _siz, _brush);
ox = nx;
oy = ny;
}
}
} #endregion
function get_color_buffer(_x, _y) { #region
var _cbuffer = canvas_buffer[preview_index];
var pos = (surface_w * _y + _x) * 4;
if(pos >= buffer_get_size(_cbuffer)) {
print("Error buffer overflow " + string(pos) + "/" + string(buffer_get_size(_cbuffer)));
return 0;
}
buffer_seek(_cbuffer, buffer_seek_start, pos);
var c = buffer_read(_cbuffer, buffer_u32);
return c;
} #endregion
function ff_fillable(colorBase, colorFill, _x, _y, _thres) { #region
var d = color_diff(colorBase, get_color_buffer(_x, _y), true, true);
return d <= _thres && d != colorFill;
} #endregion
function flood_fill_scanline(_x, _y, _surf, _thres, _corner = false) { #region
var _alp = getInputData(11);
var colorFill = draw_get_color() + (255 << 24);
var colorBase = get_color_buffer(_x, _y);
if(colorFill == colorBase) return;
var x1, y1, x_start;
var spanAbove, spanBelow;
var thr = _thres * _thres;
var queue = ds_queue_create();
ds_queue_enqueue(queue, [_x, _y]);
while(!ds_queue_empty(queue)) {
var pos = ds_queue_dequeue(queue);
x1 = pos[0];
y1 = pos[1];
var colorCurr = get_color_buffer(x1, y1);
//print("Searching " + string(x1) + ", " + string(y1) + ": " + string(colorCurr));
if(colorCurr == colorFill) continue; //Color in queue already filled
while(x1 >= 0 && ff_fillable(colorBase, colorFill, x1, y1, thr)) //Shift left
x1--;
x1++;
x_start = x1;
spanAbove = false;
spanBelow = false;
while(x1 < surface_w && ff_fillable(colorBase, colorFill, x1, y1, thr)) {
draw_set_alpha(_alp);
draw_point(x1, y1);
draw_set_alpha(1);
var _cbuffer = canvas_buffer[preview_index];
buffer_seek(_cbuffer, buffer_seek_start, (surface_w * y1 + x1) * 4);
buffer_write(_cbuffer, buffer_u32, colorFill);
//print("> Filling " + string(x1) + ", " + string(y1) + ": " + string(get_color_buffer(x1, y1)));
if(y1 > 0) {
if(x1 == x_start && x1 > 0 && _corner) {
if(!spanAbove && ff_fillable(colorBase, colorFill, x1 - 1, y1 - 1, thr)) {
ds_queue_enqueue(queue, [x1 - 1, y1 - 1]);
spanAbove = true;
}
}
if(ff_fillable(colorBase, colorFill, x1, y1 - 1, thr)) {
ds_queue_enqueue(queue, [x1, y1 - 1]);
}
}
if(y1 < surface_h - 1) {
if(x1 == x_start && x1 > 0 && _corner) {
if(!spanBelow && ff_fillable(colorBase, colorFill, x1 - 1, y1 + 1, thr)) {
ds_queue_enqueue(queue, [x1 - 1, y1 + 1]);
spanBelow = true;
}
}
if(ff_fillable(colorBase, colorFill, x1, y1 + 1, thr)) {
ds_queue_enqueue(queue, [x1, y1 + 1]);
}
}
x1++;
}
if(x1 < surface_w - 1 && _corner) {
if(y1 > 0) {
if(!spanAbove && ff_fillable(colorBase, colorFill, x1 + 1, y1 - 1, thr)) {
ds_queue_enqueue(queue, [x1 + 1, y1 - 1]);
spanAbove = true;
}
}
if(y1 < surface_h - 1) {
if(!spanBelow && ff_fillable(colorBase, colorFill, x1 + 1, y1 + 1, thr)) {
ds_queue_enqueue(queue, [x1 + 1, y1 + 1]);
spanBelow = true;
}
}
}
}
} #endregion
function canvas_fill(_x, _y, _surf, _thres) { #region
var _alp = getInputData(11);
var w = surface_get_width_safe(_surf);
var h = surface_get_height_safe(_surf);
var _c1 = get_color_buffer(_x, _y);
var thr = _thres * _thres;
draw_set_alpha(_alp);
for( var i = 0; i < w; i++ ) {
for( var j = 0; j < h; j++ ) {
if(i == _x && j == _y) {
draw_point(i, j);
continue;
}
var _c2 = get_color_buffer(i, j);
if(color_diff(_c1, _c2, true) <= thr)
draw_point(i, j);
}
}
draw_set_alpha(1);
} #endregion
static drawOverlay = function(active, _x, _y, _s, _mx, _my, _snx, _sny) { #region
mouse_cur_x = round((_mx - _x) / _s - 0.5);
mouse_cur_y = round((_my - _y) / _s - 0.5);
var _dim = getInputData(0);
var _col = getInputData(1);
var _siz = getInputData(2);
var _thr = getInputData(3);
var _fill_type = getInputData(4);
var _prev = getInputData(5);
var _brush = getInputData(6);
if(key_mod_press(ALT)) return;
var _canvas_surface = getCanvasSurface();
if(!surface_exists(_canvas_surface)) {
surface_store_buffer();
_canvas_surface = getCanvasSurface();
}
var _surf_w = surface_get_width_safe(_canvas_surface);
var _surf_h = surface_get_height_safe(_canvas_surface);
#region drawing surface review
_drawing_surface = surface_verify(_drawing_surface, _surf_w, _surf_h);
surface_set_target(_drawing_surface);
DRAW_CLEAR
draw_surface_safe(drawing_surface);
surface_reset_target();
#endregion
if(!isUsingTool("Selection") && is_surface(selection_surface)) { #region
var pos_x = selection_position[0];
var pos_y = selection_position[1];
surface_set_target(_canvas_surface);
BLEND_ALPHA
draw_surface_safe(selection_surface, pos_x, pos_y);
BLEND_NORMAL
surface_reset_target();
surface_store_buffer();
surface_free(selection_surface);
} #endregion
draw_set_color(_col);
if(!isUsingTool("Selection"))
gpu_set_colorwriteenable(tool_attribute.channel[0], tool_attribute.channel[1], tool_attribute.channel[2], tool_attribute.channel[3]);
if(isUsingTool("Selection")) { #region
if(is_selected) {
if(!is_surface(selection_surface)) {
is_selected = false;
} else {
if(is_select_drag) {
var px = selection_sx + (mouse_cur_x - selection_mx);
var py = selection_sy + (mouse_cur_y - selection_my);
selection_position[0] = px;
selection_position[1] = py;
if(mouse_release(mb_left))
is_select_drag = false;
}
if(mouse_press(mb_left, active)) {
var pos_x = selection_position[0];
var pos_y = selection_position[1];
var sel_w = surface_get_width_safe(selection_surface);
var sel_h = surface_get_height_safe(selection_surface);
if(point_in_rectangle(mouse_cur_x, mouse_cur_y, pos_x, pos_y, pos_x + sel_w, pos_y + sel_h)) {
is_select_drag = true;
selection_sx = pos_x;
selection_sy = pos_y;
selection_mx = mouse_cur_x;
selection_my = mouse_cur_y;
} else {
is_selected = false;
surface_set_target(_canvas_surface);
BLEND_ALPHA
draw_surface_safe(selection_surface, pos_x, pos_y);
BLEND_NORMAL
surface_reset_target();
surface_store_buffer();
surface_free(selection_surface);
}
}
}
}
if(!is_selected) {
if(is_selecting) {
var sel_x0 = min(selection_sx, mouse_cur_x);
var sel_y0 = min(selection_sy, mouse_cur_y);
var sel_x1 = max(selection_sx, mouse_cur_x);
var sel_y1 = max(selection_sy, mouse_cur_y);
var sel_w = sel_x1 - sel_x0 + 1;
var sel_h = sel_y1 - sel_y0 + 1;
selection_mask = surface_verify(selection_mask, sel_w, sel_h);
surface_set_target(selection_mask);
DRAW_CLEAR
draw_set_color(c_white);
if(isUsingTool("Selection", 0))
draw_rectangle(0, 0, sel_w, sel_h, false);
else if(isUsingTool("Selection", 1))
draw_ellipse(0, 0, sel_w - 1, sel_h - 1, false);
surface_reset_target();
if(mouse_release(mb_left)) {
is_selecting = false;
if(sel_x0 != sel_x1 && sel_y0 != sel_y1) {
is_selected = true;
selection_surface = surface_create(sel_w, sel_h);
surface_set_target(selection_surface);
DRAW_CLEAR
draw_surface_safe(_canvas_surface, -sel_x0, -sel_y0);
BLEND_MULTIPLY
draw_surface_safe(selection_mask, 0, 0);
BLEND_NORMAL
surface_reset_target();
storeAction();
surface_set_target(_canvas_surface);
gpu_set_blendmode(bm_subtract);
draw_surface_safe(selection_surface, sel_x0, sel_y0);
gpu_set_blendmode(bm_normal);
surface_reset_target();
surface_store_buffer();
selection_position = [ sel_x0, sel_y0 ];
}
}
} else {
if(mouse_press(mb_left, active)) {
is_selecting = true;
selection_sx = mouse_cur_x;
selection_sy = mouse_cur_y;
surface_free_safe(selection_mask);
}
}
}
#endregion
} else if(isUsingTool("Pencil") || isUsingTool("Eraser")) { #region
if(mouse_pre_draw_x > -1 && mouse_pre_draw_y > -1 && key_mod_press(SHIFT) && key_mod_press(CTRL)) {
var aa = point_direction(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
var dd = point_distance(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
var _a = round(aa / 45) * 45;
dd = dd * cos(degtorad(_a - aa));
mouse_cur_x = mouse_pre_draw_x + lengthdir_x(dd, _a);
mouse_cur_y = mouse_pre_draw_y + lengthdir_y(dd, _a);
}
if(mouse_press(mb_left, active)) {
drawing_surface = surface_verify(drawing_surface, _dim[0], _dim[1], attrDepth());
surface_set_shader(drawing_surface, noone);
draw_point_size(mouse_cur_x, mouse_cur_y, _siz, _brush);
surface_reset_shader();
mouse_holding = true;
if(mouse_pre_draw_x > -1 && mouse_pre_draw_y > -1 && key_mod_press(SHIFT)) {
surface_set_shader(drawing_surface, noone, true, BLEND.alpha);
draw_line_size(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, _siz, _brush);
surface_reset_shader();
mouse_holding = false;
apply_draw_surface();
}
mouse_pre_draw_x = mouse_cur_x;
mouse_pre_draw_y = mouse_cur_y;
}
if(mouse_holding && mouse_click(mb_left, active)) {
if(mouse_pre_draw_x != mouse_cur_x || mouse_pre_draw_y != mouse_cur_y) {
surface_set_shader(drawing_surface, noone, false, BLEND.alpha);
draw_point_size(mouse_cur_x, mouse_cur_y, _siz, _brush);
draw_line_size(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, _siz, _brush);
surface_reset_shader();
}
mouse_pre_draw_x = mouse_cur_x;
mouse_pre_draw_y = mouse_cur_y;
}
if(mouse_holding && mouse_release(mb_left)) {
mouse_holding = false;
apply_draw_surface();
}
BLEND_NORMAL;
mouse_pre_x = mouse_cur_x;
mouse_pre_y = mouse_cur_y;
if(brush_sizing) {
var s = brush_sizing_s + (_mx - brush_sizing_mx) / 16;
s = max(1, s);
inputs[| 2].setValue(s);
if(mouse_release(mb_right))
brush_sizing = false;
} else if(mouse_press(mb_right, active) && key_mod_press(SHIFT) && !is_surface(_brush)) {
brush_sizing = true;
brush_sizing_s = _siz;
brush_sizing_mx = _mx;
brush_sizing_my = _my;
brush_sizing_dx = mouse_cur_x;
brush_sizing_dy = mouse_cur_y;
}
#endregion
} else if(isUsingTool("Rectangle") || isUsingTool("Ellipse")) { #region
if(mouse_holding && key_mod_press(SHIFT)) {
var ww = mouse_cur_x - mouse_pre_x;
var hh = mouse_cur_y - mouse_pre_y;
var ss = max(abs(ww), abs(hh));
mouse_cur_x = mouse_pre_x + ss * sign(ww);
mouse_cur_y = mouse_pre_y + ss * sign(hh);
}
if(mouse_press(mb_left, active)) {
mouse_pre_x = mouse_cur_x;
mouse_pre_y = mouse_cur_y;
mouse_holding = true;
}
if(mouse_holding) {
drawing_surface = surface_verify(drawing_surface, _dim[0], _dim[1], attrDepth());
surface_set_shader(drawing_surface, noone);
if(isUsingTool("Rectangle"))
draw_rect_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, isUsingTool("Rectangle", 1), _brush);
else if(isUsingTool("Ellipse"))
draw_ellp_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, isUsingTool("Ellipse", 1), _brush);
surface_reset_shader();
if(mouse_release(mb_left)) {
apply_draw_surface();
mouse_holding = false;
}
}
if(brush_sizing) {
var s = brush_sizing_s + (_mx - brush_sizing_mx) / 16;
s = max(1, s);
inputs[| 2].setValue(s);
if(mouse_release(mb_right))
brush_sizing = false;
} else if(mouse_press(mb_right, active) && key_mod_press(SHIFT) && !is_surface(_brush)) {
brush_sizing = true;
brush_sizing_s = _siz;
brush_sizing_mx = _mx;
brush_sizing_my = _my;
brush_sizing_dx = mouse_cur_x;
brush_sizing_dy = mouse_cur_y;
}
#endregion
} else if(isUsingTool("Fill") || (DRAGGING && DRAGGING.type == "Color")) { #region
var fill = DRAGGING? mouse_release(mb_left, active) : mouse_press(mb_left, active);
if(fill && point_in_rectangle(mouse_cur_x, mouse_cur_y, 0, 0, _surf_w - 1, _surf_h - 1)) {
storeAction();
surface_set_target(_canvas_surface);
if(DRAGGING) draw_set_color(DRAGGING.data);
switch(_fill_type) {
case 0 :
flood_fill_scanline(mouse_cur_x, mouse_cur_y, _canvas_surface, _thr, false);
break;
case 1 :
flood_fill_scanline(mouse_cur_x, mouse_cur_y, _canvas_surface, _thr, true);
break;
case 2 :
canvas_fill(mouse_cur_x, mouse_cur_y, _canvas_surface, _thr);
break;
}
surface_store_buffer();
surface_reset_target();
}
#endregion
}
draw_set_alpha(1);
gpu_set_colorwriteenable(true, true, true, true);
#region preview
var _bg = getInputData(8);
var _bga = getInputData(9);
var _bgr = getInputData(10);
var _alp = getInputData(11);
var __s = surface_get_target();
prev_surface = surface_verify(prev_surface, _dim[0], _dim[1]);
preview_draw_surface = surface_verify(preview_draw_surface, _dim[0], _dim[1]);
_preview_draw_surface = surface_verify(_preview_draw_surface, surface_get_width_safe(__s), surface_get_height_safe(__s));
surface_set_shader(preview_draw_surface, noone,, BLEND.alpha);
draw_surface_safe(_drawing_surface, 0, 0);
draw_set_color(_col);
if(isUsingTool("Selection")) {
if(is_selected)
draw_surface_safe(selection_surface, selection_position[0], selection_position[1]);
else if(is_selecting) {
var sel_x0 = min(selection_sx, mouse_cur_x);
var sel_y0 = min(selection_sy, mouse_cur_y);
draw_surface_safe(selection_mask, sel_x0, sel_y0);
}
} else if(isUsingTool("Pencil") || isUsingTool("Eraser")) {
if(isUsingTool("Eraser")) draw_set_color(c_white);
if(brush_sizing) {
draw_point_size(brush_sizing_dx, brush_sizing_dy, _siz, _brush);
} else {
if(mouse_pre_draw_x > -1 && mouse_pre_draw_y > -1 && key_mod_press(SHIFT))
draw_line_size(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, _siz, _brush);
else
draw_point_size(mouse_cur_x, mouse_cur_y, _siz, _brush);
}
} else if(isUsingTool("Rectangle")) {
if(brush_sizing)
draw_point_size(brush_sizing_dx, brush_sizing_dy, _siz, _brush);
else if(mouse_holding)
draw_rect_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, isUsingTool("Rectangle", 1), _brush);
else
draw_point_size(mouse_cur_x, mouse_cur_y, _siz, _brush);
} else if(isUsingTool("Ellipse")) {
if(brush_sizing)
draw_point_size(brush_sizing_dx, brush_sizing_dy, _siz, _brush);
else if(mouse_holding)
draw_ellp_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, isUsingTool("Ellipse", 1), _brush);
else
draw_point_size(mouse_cur_x, mouse_cur_y, _siz, _brush);
}
surface_reset_shader();
if(isUsingTool()) {
if(isUsingTool("Selection")) {
if(is_selected) {
var pos_x = _x + selection_position[0] * _s;
var pos_y = _y + selection_position[1] * _s;
var sel_w = surface_get_width_safe(selection_surface) * _s;
var sel_h = surface_get_height_safe(selection_surface) * _s;
draw_set_color(c_white);
draw_rectangle_dashed(pos_x, pos_y, pos_x + sel_w, pos_y + sel_h, true, 4);
draw_surface_ext_safe(selection_surface, pos_x, pos_y, _s, _s, 0, c_white, 1);
}
} else {
gpu_set_colorwriteenable(tool_attribute.channel[0], tool_attribute.channel[1], tool_attribute.channel[2], tool_attribute.channel[3]);
draw_surface_ext_safe(preview_draw_surface, _x, _y, _s, _s, 0, isUsingTool("Eraser")? c_red : c_white, isUsingTool("Eraser")? 0.2 : _alp);
gpu_set_colorwriteenable(true, true, true, true);
}
surface_set_target(_preview_draw_surface);
DRAW_CLEAR
draw_surface_ext_safe(preview_draw_surface, _x, _y, _s, _s, 0, c_white, 1);
surface_reset_target();
shader_set(sh_brush_outline);
shader_set_f("dimension", surface_get_width_safe(_preview_draw_surface), surface_get_height_safe(_preview_draw_surface));
draw_surface_ext_safe(_preview_draw_surface, 0, 0, 1, 1, 0, c_white, 1);
shader_reset();
}
#endregion
var _x0 = _x;
var _y0 = _y;
var _x1 = _x0 + _dim[0] * _s;
var _y1 = _y0 + _dim[1] * _s;
draw_set_color(COLORS.panel_preview_surface_outline);
draw_rectangle(_x0, _y0, _x1 - 1, _y1 - 1, true);
previewing = 1;
} #endregion
static step = function() { #region
var fram = attributes.frames;
var anim = getInputData(12);
var anims = getInputData(12);
inputs[| 12].setVisible(fram > 1);
inputs[| 13].setVisible(fram > 1 && anim);
update_on_frame = fram > 1 && anim;
if(update_on_frame)
preview_index = safe_mod(CURRENT_FRAME * anims, fram);
} #endregion
static update = function(frame = CURRENT_FRAME) { #region
var _dim = getInputData(0);
var _bg = getInputData(8);
var _bga = getInputData(9);
var _bgr = getInputData(10);
var _anim = getInputData(12);
var _anims = getInputData(13);
var cDep = attrDepth();
apply_surfaces();
var _frames = attributes.frames;
if(!is_array(output_surface)) output_surface = array_create(_frames);
else if(array_length(output_surface) != _frames)
array_resize(output_surface, _frames);
if(_frames == 1) {
var _canvas_surface = getCanvasSurface(0);
output_surface[0] = surface_verify(output_surface[0], _dim[0], _dim[1], cDep);
surface_set_shader(output_surface[0], noone,, BLEND.alpha);
if(_bgr && is_surface(_bg))
draw_surface_stretched_ext(_bg, 0, 0, _dim[0], _dim[1], c_white, _bga);
draw_surface_safe(_canvas_surface, 0, 0);
surface_reset_shader();
outputs[| 0].setValue(output_surface[0]);
} else {
for( var i = 0; i < _frames; i++ ) {
var _canvas_surface = getCanvasSurface(i);
output_surface[i] = surface_verify(output_surface[i], _dim[0], _dim[1], cDep);
surface_set_shader(output_surface[i], noone,, BLEND.alpha);
if(_bgr && is_surface(_bg))
draw_surface_stretched_ext(_bg, 0, 0, _dim[0], _dim[1], c_white, _bga);
draw_surface_safe(_canvas_surface, 0, 0);
surface_reset_shader();
}
if(_anim) {
var _fr_index = safe_mod(CURRENT_FRAME * _anims, _frames);
outputs[| 0].setValue(output_surface[_fr_index]);
} else
outputs[| 0].setValue(output_surface);
}
} #endregion
static getPreviewValues = function() { return output_surface; }
static doSerialize = function(_map) { #region
surface_store_buffers();
var _buff = array_create(attributes.frames);
for( var i = 0; i < attributes.frames; i++ ) {
var comp = buffer_compress(canvas_buffer[i], 0, buffer_get_size(canvas_buffer[i]));
_buff[i] = buffer_base64_encode(comp, 0, buffer_get_size(comp));
}
_map.surfaces = _buff;
} #endregion
static doApplyDeserialize = function() { #region
var _dim = getInputData(0);
if(!struct_has(load_map, "surfaces")) {
if(struct_has(load_map, "surface")) {
var buff = buffer_base64_decode(load_map.surface);
canvas_buffer[0] = buffer_decompress(buff);
canvas_surface[0] = surface_create_from_buffer(_dim[0], _dim[1], canvas_buffer[0]);
}
return;
}
canvas_buffer = array_create(array_length(load_map.surfaces));
canvas_surface = array_create(array_length(load_map.surfaces));
for( var i = 0, n = array_length(load_map.surfaces); i < n; i++ ) {
var buff = buffer_base64_decode(load_map.surfaces[i]);
canvas_buffer[i] = buffer_decompress(buff);
canvas_surface[i] = surface_create_from_buffer(_dim[0], _dim[1], canvas_buffer[i]);
}
apply_surfaces();
} #endregion
static onCleanUp = function() { #region
surface_array_free(canvas_surface);
} #endregion
}
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