mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
538 lines
16 KiB
Plaintext
538 lines
16 KiB
Plaintext
function Node_create_Canvas(_x, _y) {
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var node = new Node_Canvas(_x, _y);
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ds_list_add(PANEL_GRAPH.nodes_list, node);
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return node;
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}
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function Node_Canvas(_x, _y) : Node(_x, _y) constructor {
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name = "Canvas";
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color = c_ui_orange;
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inputs[| 0] = nodeValue(0, "Dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, def_surf_size2, VALUE_TAG.dimension_2d )
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.setDisplay(VALUE_DISPLAY.vector);
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inputs[| 1] = nodeValue(1, "Color", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, c_black );
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inputs[| 2] = nodeValue(2, "Brush size", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1 )
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.setDisplay(VALUE_DISPLAY.slider, [1, 32, 1]);
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inputs[| 3] = nodeValue(3, "Fill threshold", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.)
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.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
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inputs[| 4] = nodeValue(4, "Fill type", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
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.setDisplay(VALUE_DISPLAY.enum_scroll, ["4 connect", "8 connect", "Entire canvas"]);
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inputs[| 5] = nodeValue(5, "Draw preview overlay", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
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inputs[| 6] = nodeValue(6, "Brush", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, -1);
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inputs[| 7] = nodeValue(7, "Surface amount", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1);
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outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
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outputs[| 1] = nodeValue(1, "Preview", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
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input_display_list = [
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["Output", false], 0,
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["Brush", false], 6, 1, 2,
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["Fill", false], 3, 4,
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["Preview", false], 5
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];
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surface_buffer = buffer_create(1 * 1 * 4, buffer_fixed, 2);
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tools = [
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[ "Pencil", s_canvas_tools_pencil ],
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[ "Eraser", s_canvas_tools_eraser ],
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[ "Rectangle", [ s_canvas_tools_rect, s_canvas_tools_rect_fill ]],
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[ "Ellipse", [ s_canvas_tools_ellip, s_canvas_tools_ellip_fill ]],
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[ "Fill", s_canvas_tools_bucket ],
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];
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mouse_cur_x = 0;
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mouse_cur_y = 0;
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mouse_pre_x = 0;
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mouse_pre_y = 0;
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mouse_pre_draw_x = 0;
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mouse_pre_draw_y = 0;
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mouse_holding = false;
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draw_stack = ds_list_create();
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function surface_update() {
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var _surf = outputs[| 0].getValue();
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buffer_get_surface(surface_buffer, _surf, 0);
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updateForward();
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}
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function draw_point_size(_x, _y, _siz, _brush) {
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if(!is_surface(_brush)) {
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if(_siz <= 1)
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draw_point(_x, _y);
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else if(_siz == 2) {
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draw_point(_x, _y);
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draw_point(_x + 1, _y);
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draw_point(_x, _y + 1);
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draw_point(_x + 1, _y + 1);
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} else if(_siz == 3) {
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draw_point(_x, _y);
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draw_point(_x - 1, _y);
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draw_point(_x, _y - 1);
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draw_point(_x + 1, _y);
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draw_point(_x, _y + 1);
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} else
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draw_circle(_x, _y, _siz / 2, 0);
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} else {
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var _sw = surface_get_width(_brush);
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var _sh = surface_get_height(_brush);
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draw_surface_ext(_brush, _x - _sw / 2, _y - _sh / 2, 1, 1, 0, draw_get_color(), 1);
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}
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}
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function draw_line_size(_x0, _y0, _x1, _y1, _siz, _brush) {
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if(_siz == 1 && _brush == -1)
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draw_line(_x0, _y0, _x1, _y1);
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else {
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var diss = floor(point_distance(_x0, _y0, _x1, _y1));
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var dirr = point_direction(_x0, _y0, _x1, _y1);
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var st_x = lengthdir_x(1, dirr);
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var st_y = lengthdir_y(1, dirr);
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for( var i = 0; i <= diss; i++ ) {
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var _x = _x0 + st_x * i;
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var _y = _y0 + st_y * i;
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draw_point_size(_x, _y, _siz, _brush);
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}
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}
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}
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function draw_rect_size(_x0, _y0, _x1, _y1, _siz, _fill, _brush) {
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if(_x0 == _x1 && _y0 == _y1) {
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draw_point_size(_x0, _y0, _siz, _brush);
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return;
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} else if(_x0 == _x1) {
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draw_point_size(_x0, _y0, _siz, _brush);
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draw_point_size(_x1, _y1, _siz, _brush);
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draw_line_size(_x0, _y0, _x0, _y1, _siz, _brush);
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return;
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} else if(_y0 == _y1) {
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draw_point_size(_x0, _y0, _siz, _brush);
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draw_point_size(_x1, _y1, _siz, _brush);
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draw_line_size(_x0, _y0, _x1, _y0, _siz, _brush);
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return;
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}
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var _min_x = min(_x0, _x1);
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var _max_x = max(_x0, _x1);
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var _min_y = min(_y0, _y1);
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var _may_y = max(_y0, _y1);
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if(_fill) {
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draw_rectangle(_min_x, _min_y, _max_x, _may_y, 0);
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} else if(_siz == 1 && _brush == -1)
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draw_rectangle(_min_x + 1, _min_y + 1, _max_x - 1, _may_y - 1, 1);
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else {
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draw_line_size(_min_x, _min_y, _max_x, _min_y, _siz, _brush);
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draw_line_size(_min_x, _min_y, _min_x, _may_y, _siz, _brush);
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draw_line_size(_max_x, _may_y, _max_x, _min_y, _siz, _brush);
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draw_line_size(_max_x, _may_y, _min_x, _may_y, _siz, _brush);
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}
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}
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function draw_ellp_size(_x0, _y0, _x1, _y1, _siz, _fill, _brush) {
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if(_x0 == _x1 && _y0 == _y1) {
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draw_point_size(_x0, _y0, _siz, _brush);
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return;
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} else if(_x0 == _x1) {
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draw_point_size(_x0, _y0, _siz, _brush);
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draw_point_size(_x1, _y1, _siz, _brush);
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draw_line_size(_x0, _y0, _x0, _y1, _siz, _brush);
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return;
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} else if(_y0 == _y1) {
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draw_point_size(_x0, _y0, _siz, _brush);
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draw_point_size(_x1, _y1, _siz, _brush);
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draw_line_size(_x0, _y0, _x1, _y0, _siz, _brush);
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return;
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}
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var _min_x = min(_x0, _x1) - 1;
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var _max_x = max(_x0, _x1);
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var _min_y = min(_y0, _y1) - 1;
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var _max_y = max(_y0, _y1);
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if(_fill) {
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draw_ellipse(_min_x, _min_y, _max_x, _max_y, 0);
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} else {
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var samp = 64;
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var cx = (_min_x + _max_x) / 2;
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var cy = (_min_y + _max_y) / 2;
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var rx = abs(_x0 - _x1) / 2;
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var ry = abs(_y0 - _y1) / 2;
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var ox, oy, nx, ny;
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for( var i = 0; i <= samp; i++ ) {
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nx = cx + lengthdir_x(rx, 360 / samp * i);
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ny = cy + lengthdir_y(ry, 360 / samp * i);
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if(i) draw_line_size(ox, oy, nx, ny, _siz, _brush);
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ox = nx;
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oy = ny;
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}
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}
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}
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function color_diff(c1, c2) {
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var _c1_r = c1 & 255;
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var _c1_g = (c1 >> 8) & 255;
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var _c1_b = (c1 >> 16) & 255;
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var _c1_a = (c1 >> 24) & 255;
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var _c2_r = c2 & 255;
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var _c2_g = (c2 >> 8) & 255;
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var _c2_b = (c2 >> 16) & 255;
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var _c2_a = (c2 >> 24) & 255;
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var dist = sqrt(
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sqr(_c1_r - _c2_r) +
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sqr(_c1_g - _c2_g) +
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sqr(_c1_b - _c2_b) +
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sqr(_c1_a - _c2_a)
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);
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return dist / 510;
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}
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function get_color_buffer(_x, _y, w, h) {
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buffer_seek(surface_buffer, buffer_seek_start, (w * _y + _x) * 4);
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var c = buffer_read(surface_buffer, buffer_u32);
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return c;
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}
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function flood_fill_scanline(_x, _y, _surf, _thres, _corner = false) {
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var w = surface_get_width(_surf);
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var h = surface_get_height(_surf);
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var _c0 = draw_get_color() + (255 << 24);
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var _c1 = get_color_buffer(_x, _y, w, h);
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if(color_diff(_c0, _c1) <= _thres) return;
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var x1, y1, x_start;
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var spanAbove, spanBelow;
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var stack = ds_stack_create();
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ds_stack_push(stack, [_x, _y]);
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while(!ds_stack_empty(stack)) {
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var pos = ds_stack_pop(stack);
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x1 = pos[0];
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y1 = pos[1];
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while(x1 >= 0 && color_diff(_c1, get_color_buffer(x1, y1, w, h)) <= _thres) {
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x1--;
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}
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x1++;
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x_start = x1;
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spanAbove = 0;
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spanBelow = 0;
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while(x1 < w && color_diff(_c1, get_color_buffer(x1, y1, w, h)) <= _thres) {
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draw_point(x1, y1);
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buffer_seek(surface_buffer, buffer_seek_start, (w * y1 + x1) * 4);
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buffer_write(surface_buffer, buffer_u32, _c0);
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if(y1 > 0) {
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if(x1 == x_start && x1 > 0 && _corner) {
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var _delta = color_diff(_c1, get_color_buffer(x1 - 1, y1 - 1, w, h));
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if(!spanAbove && _delta <= _thres) {
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ds_stack_push(stack, [x1 - 1, y1 - 1]);
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spanAbove = 1;
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} else if(spanAbove && _delta > _thres) {
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spanAbove = 0;
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}
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}
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var _delta = color_diff(_c1, get_color_buffer(x1, y1 - 1, w, h));
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if(!spanAbove && _delta <= _thres) {
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ds_stack_push(stack, [x1, y1 - 1]);
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spanAbove = 1;
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} else if(spanAbove && _delta > _thres) {
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spanAbove = 0;
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}
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}
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if(y1 < h - 1) {
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if(x1 == x_start && x1 > 0 && _corner) {
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var _delta = color_diff(_c1, get_color_buffer(x1 - 1, y1 + 1, w, h));
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if(!spanBelow && _delta <= _thres) {
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ds_stack_push(stack, [x1 - 1, y1 + 1]);
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spanBelow = 1;
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} else if(spanBelow && _delta > _thres) {
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spanBelow = 0;
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}
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}
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var _delta = color_diff(_c1, get_color_buffer(x1, y1 + 1, w, h));
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if(!spanBelow && _delta <= _thres) {
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ds_stack_push(stack, [x1, y1 + 1]);
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spanBelow = 1;
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} else if(spanBelow && _delta > _thres) {
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spanBelow = 0;
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}
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}
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x1++;
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}
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if(x1 < w - 1 && _corner) {
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var _delta = color_diff(_c1, get_color_buffer(x1, y1 - 1, w, h));
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if(!spanAbove && _delta <= _thres) {
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ds_stack_push(stack, [x1, y1 - 1]);
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spanAbove = 1;
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} else if(spanAbove && _delta > _thres) {
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spanAbove = 0;
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}
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var _delta = color_diff(_c1, get_color_buffer(x1, y1 + 1, w, h));
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if(!spanBelow && _delta <= _thres) {
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ds_stack_push(stack, [x1, y1 + 1]);
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spanBelow = 1;
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} else if(spanBelow && _delta > _thres) {
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spanBelow = 0;
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}
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}
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}
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}
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function canvas_fill(_x, _y, _surf, _thres) {
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var w = surface_get_width(_surf);
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var h = surface_get_height(_surf);
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var _c1 = get_color_buffer(_x, _y, w, h);
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for( var i = 0; i < w; i++ ) {
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for( var j = 0; j < h; j++ ) {
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if(i == _x && j == _y) {
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draw_point(i, j);
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continue;
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}
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var _c2 = get_color_buffer(i, j, w, h);
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if(color_diff(_c1, _c2) <= _thres)
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draw_point(i, j);
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}
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}
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surface_update();
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}
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static drawOverlay = function(_active, _x, _y, _s, _mx, _my) {
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if(!_active) return;
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if(keyboard_check(vk_alt)) return;
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var _col = inputs[| 1].getValue();
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var _siz = inputs[| 2].getValue();
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var _thr = inputs[| 3].getValue();
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var _fill_type = inputs[| 4].getValue();
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var _prev = inputs[| 5].getValue();
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var _brush = inputs[| 6].getValue();
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var _surf = outputs[| 0].getValue();
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var _surf_prev = outputs[| 1].getValue();
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var _surf_w = surface_get_width(_surf);
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var _surf_h = surface_get_height(_surf);
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if(!surface_exists(_surf)) return;
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if(!surface_exists(_surf_prev)) return;
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surface_set_target(_surf);
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draw_set_color(_col);
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var _tool = PANEL_PREVIEW.tool_index;
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var _sub_tool = PANEL_PREVIEW.tool_sub_index;
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mouse_cur_x = round((_mx - _x) / _s - 0.5);
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mouse_cur_y = round((_my - _y) / _s - 0.5);
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if(_tool == 0 || _tool == 1) {
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if(_tool == 1) gpu_set_blendmode(bm_subtract);
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if(keyboard_check(vk_shift) && keyboard_check(vk_control)) {
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var aa = point_direction(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
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var dd = point_distance(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
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var _a = round(aa / 45) * 45;
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dd = dd * cos(degtorad(_a - aa));
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mouse_cur_x = mouse_pre_draw_x + lengthdir_x(dd, _a);
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mouse_cur_y = mouse_pre_draw_y + lengthdir_y(dd, _a);
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}
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if(mouse_check_button_pressed(mb_left)) {
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draw_point_size(mouse_cur_x, mouse_cur_y, _siz, _brush);
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mouse_holding = true;
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if(keyboard_check(vk_shift)) {
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draw_line_size(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, _siz, _brush);
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mouse_holding = false;
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}
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mouse_pre_draw_x = mouse_cur_x;
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mouse_pre_draw_y = mouse_cur_y;
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}
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if(mouse_holding && mouse_check_button(mb_left)) {
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draw_point_size(mouse_cur_x, mouse_cur_y, _siz, _brush);
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draw_line_size(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, _siz, _brush);
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mouse_pre_draw_x = mouse_cur_x;
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mouse_pre_draw_y = mouse_cur_y;
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}
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if(_tool == 1) gpu_set_blendmode(bm_normal);
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if(mouse_check_button_released(mb_left)) {
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surface_update();
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mouse_holding = false;
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}
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mouse_pre_x = mouse_cur_x;
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mouse_pre_y = mouse_cur_y;
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} else if(_tool == 2 || _tool == 3) {
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if(mouse_holding && keyboard_check(vk_shift)) {
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var ww = mouse_cur_x - mouse_pre_x;
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var hh = mouse_cur_y - mouse_pre_y;
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var ss = max(abs(ww), abs(hh));
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mouse_cur_x = mouse_pre_x + ss * sign(ww);
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mouse_cur_y = mouse_pre_y + ss * sign(hh);
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}
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if(mouse_check_button_pressed(mb_left)) {
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mouse_pre_x = mouse_cur_x;
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mouse_pre_y = mouse_cur_y;
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mouse_holding = true;
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}
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if(mouse_check_button_released(mb_left)) {
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if(_tool == 2) {
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draw_rect_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, _sub_tool, _brush);
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} else if(_tool == 3) {
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draw_ellp_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, _sub_tool, _brush);
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}
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surface_update();
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mouse_holding = false;
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}
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} else if(_tool == 4) {
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if(point_in_rectangle(mouse_cur_x, mouse_cur_y, 0, 0, _surf_w - 1, _surf_h - 1) && mouse_check_button_pressed(mb_left)) {
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switch(_fill_type) {
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case 0 :
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flood_fill_scanline(mouse_cur_x, mouse_cur_y, _surf, _thr, false);
|
|
break;
|
|
case 1 :
|
|
flood_fill_scanline(mouse_cur_x, mouse_cur_y, _surf, _thr, true);
|
|
break;
|
|
case 2 :
|
|
canvas_fill(mouse_cur_x, mouse_cur_y, _surf, _thr);
|
|
break;
|
|
}
|
|
|
|
surface_update();
|
|
}
|
|
}
|
|
|
|
surface_reset_target();
|
|
|
|
surface_set_target(_surf_prev);
|
|
draw_clear_alpha(0, 0);
|
|
draw_surface(_surf, 0, 0);
|
|
|
|
draw_set_color(_col);
|
|
|
|
if(_tool == 0 || _tool == 1) {
|
|
if(_tool == 1) gpu_set_blendmode(bm_subtract);
|
|
|
|
if(keyboard_check(vk_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);
|
|
|
|
if(_tool == 1) gpu_set_blendmode(bm_normal);
|
|
} else if (_tool == 2 || _tool == 3) {
|
|
if(mouse_holding) {
|
|
if(_tool == 2)
|
|
draw_rect_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, _sub_tool, _brush);
|
|
else if(_tool == 3)
|
|
draw_ellp_size(mouse_pre_x, mouse_pre_y, mouse_cur_x, mouse_cur_y, _siz, _sub_tool, _brush);
|
|
}
|
|
}
|
|
|
|
surface_reset_target();
|
|
|
|
#region preview
|
|
if(_prev) draw_surface_ext(_surf_prev, _x, _y, _s, _s, 0, c_white, 1);
|
|
|
|
if (_tool == 2 || _tool == 3) {
|
|
if(mouse_holding) {
|
|
var _pr_x = _x + mouse_pre_x * _s;
|
|
var _pr_y = _y + mouse_pre_y * _s;
|
|
var _cr_x = _x + mouse_cur_x * _s;
|
|
var _cr_y = _y + mouse_cur_y * _s;
|
|
|
|
//draw_set_color(c_red);
|
|
//draw_rectangle(_pr_x, _pr_y, _cr_x, _cr_y, 1);
|
|
}
|
|
}
|
|
|
|
if(_tool > -1 && point_in_rectangle(mouse_cur_x, mouse_cur_y, 0, 0, _surf_w - 1, _surf_h - 1)) {
|
|
var _pr_x = _x + mouse_cur_x * _s;
|
|
var _pr_y = _y + mouse_cur_y * _s;
|
|
|
|
draw_set_color(c_white);
|
|
draw_rectangle(_pr_x, _pr_y, _pr_x + _s, _pr_y + _s, 1);
|
|
}
|
|
#endregion
|
|
}
|
|
|
|
static update = function() {
|
|
var _dim = inputs[| 0].getValue();
|
|
|
|
var _outSurf = outputs[| 0].getValue();
|
|
if(!is_surface(_outSurf)) {
|
|
_outSurf = surface_create(surface_valid(_dim[0]), surface_valid(_dim[1]));
|
|
outputs[| 0].setValue(_outSurf);
|
|
|
|
buffer_set_surface(surface_buffer, _outSurf, 0);
|
|
} else {
|
|
if(surface_size_to(_outSurf, surface_valid(_dim[0]), surface_valid(_dim[1]))) {
|
|
buffer_delete(surface_buffer);
|
|
surface_buffer = -1;
|
|
surface_buffer = buffer_create(surface_get_width(_outSurf) * surface_get_height(_outSurf) * 4, buffer_fixed, 2);
|
|
}
|
|
}
|
|
|
|
var _outSurf = outputs[| 1].getValue();
|
|
if(!is_surface(_outSurf)) {
|
|
_outSurf = surface_create(surface_valid(_dim[0]), surface_valid(_dim[1]));
|
|
outputs[| 1].setValue(_outSurf);
|
|
} else
|
|
surface_size_to(_outSurf, surface_valid(_dim[0]), surface_valid(_dim[1]));
|
|
}
|
|
doUpdate();
|
|
|
|
static doSerialize = function(_map) {
|
|
_map[? "surface"] = buffer_base64_encode(surface_buffer, 0, buffer_get_size(surface_buffer));
|
|
}
|
|
|
|
static postDeserialize = function() {
|
|
if(!ds_map_exists(load_map, "surface")) return;
|
|
surface_buffer = buffer_base64_decode(load_map[? "surface"]);
|
|
var _outSurf = outputs[| 0].getValue();
|
|
buffer_set_surface(surface_buffer, _outSurf, 0);
|
|
}
|
|
} |