mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 22:43:53 +01:00
320 lines
8.9 KiB
Plaintext
320 lines
8.9 KiB
Plaintext
function Node_Palette_Extract(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
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name = "Palette Extract";
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setDimension(96, 48);;
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newInput(0, nodeValue_Surface("Surface in", self));
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newInput(1, nodeValue_Int("Max colors", self, 5, "Amount of color in a palette."))
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.rejectArray();
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newInput(2, nodeValue_Int("Seed", self, seed_random(6), "Random seed to be used to initialize K-mean algorithm."))
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.setDisplay(VALUE_DISPLAY._default, { side_button : button(function() { randomize(); inputs[2].setValue(seed_random(6)); }).setIcon(THEME.icon_random, 0, COLORS._main_icon) })
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.rejectArray();
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newInput(3, nodeValue_Enum_Scroll("Algorithm", self, 0, { data: [ "K-mean", "Frequency", "All colors" ], update_hover: false }))
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.rejectArray();
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newInput(4, nodeValue_Enum_Scroll("Color Space", self, 1, { data: [ "RGB", "HSV" ], update_hover: false }))
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.rejectArray();
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newOutput(0, nodeValue_Output("Palette", self, VALUE_TYPE.color, [ ]))
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.setDisplay(VALUE_DISPLAY.palette);
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static getPreviewValues = function() { return getInputData(0); }
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input_display_list = [
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["Surfaces", true], 0,
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["Palette", false], 3, 4, 1, 2,
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]
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current_palette = [];
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current_color = 0;
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attribute_surface_depth();
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function sortPalette(pal) {
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array_sort(pal, function(c0, c1) {
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var r0 = _color_get_red(c0);
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var r1 = _color_get_red(c1);
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var g0 = _color_get_green(c0);
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var g1 = _color_get_green(c1);
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var b0 = _color_get_blue(c0);
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var b1 = _color_get_blue(c1);
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var l0 = sqrt( .241 * r0 + .691 * g0 + .068 * b0 );
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var l1 = sqrt( .241 * r1 + .691 * g1 + .068 * b1 );
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if(abs(l0 - l1) > 0.05) return l0 > l1;
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var h0 = _color_get_hue(c0);
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var h1 = _color_get_hue(c1);
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if(abs(h0 - h1) > 0.05) return h0 > h1;
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var s0 = _color_get_saturation(c0);
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var s1 = _color_get_saturation(c1);
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var v0 = _color_get_value(c0);
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var v1 = _color_get_value(c1);
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return s0 * v0 > s1 * v1;
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})
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}
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function extractKmean(_surfFull, _size, _seed) {
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var _space = getInputData(4);
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var _surf = surface_create_valid(min(32, surface_get_width_safe(_surfFull)), min(32, surface_get_height_safe(_surfFull)), attrDepth());
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_size = max(1, _size);
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var ww = surface_get_width_safe(_surf);
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var hh = surface_get_height_safe(_surf);
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surface_set_shader(_surf, noone);
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draw_surface_stretched_safe(_surfFull, 0, 0, ww, hh);
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surface_reset_shader();
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var c_buffer = buffer_create(ww * hh * 4, buffer_fixed, 2);
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var colors = [];
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buffer_get_surface(c_buffer, _surf, 0);
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buffer_seek(c_buffer, buffer_seek_start, 0);
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var _min = [ 1, 1, 1 ];
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var _max = [ 0, 0, 0 ];
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var a, b, c, col;
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for( var i = 0; i < ww * hh; i++ ) {
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b = buffer_read(c_buffer, buffer_u32);
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c = b & ~(0b11111111 << 24);
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a = b & (0b11111111 << 24);
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if(a == 0) continue;
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switch(_space) {
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case 0 : col = [ _color_get_red(c), _color_get_green(c), _color_get_blue(c), 0 ]; break;
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case 1 : col = [ _color_get_hue(c), _color_get_saturation(c), _color_get_value(c), 0 ]; break;
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case 2 : col = [ _color_get_hue(c), _color_get_saturation(c), _color_get_value(c), 0 ]; break;
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}
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array_push(colors, col);
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_min[0] = min(_min[0], col[0]); _max[0] = max(_max[0], col[0]);
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_min[1] = min(_min[1], col[1]); _max[1] = max(_max[1], col[1]);
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_min[2] = min(_min[2], col[2]); _max[2] = max(_max[2], col[2]);
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}
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buffer_delete(c_buffer);
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random_set_seed(_seed);
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cnt = array_create_ext(_size, function() /*=>*/ {return [ random(1), random(1), random(1), 0 ]});
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repeat(8) {
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// var _cnt = array_create_ext(_size, (i) => [ cnt[i][0], cnt[i][1], cnt[i][2], 0 ]);
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for( var i = 0, n = array_length(colors); i < n; i++ ) {
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var ind = 0;
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var dist = 999;
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var _cl = colors[i];
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for( var j = 0; j < _size; j++ ) {
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var _cn = cnt[j];
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var d = point_distance_3d(_cl[0], _cl[1], _cl[2], _cn[0], _cn[1], _cn[2]);
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if(d < dist) {
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dist = d;
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ind = j;
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}
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}
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colors[i][3] = ind;
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}
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for( var i = 0; i < _size; i++ )
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cnt[i] = [ 0, 0, 0, 0 ];
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for( var i = 0, n = array_length(colors); i < n; i++ ) {
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var _cl = colors[i];
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var _co = _cl[3];
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cnt[_co][0] += _cl[0];
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cnt[_co][1] += _cl[1];
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cnt[_co][2] += _cl[2];
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cnt[_co][3]++;
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}
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for( var i = 0; i < _size; i++ ) {
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var _cc = cnt[i];
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cnt[i][0] = _cc[3]? _cc[0] / _cc[3] : 0;
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cnt[i][1] = _cc[3]? _cc[1] / _cc[3] : 0;
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cnt[i][2] = _cc[3]? _cc[2] / _cc[3] : 0;
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}
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// var del = array_reduce(cnt, (prev, cur, i) => max(prev, point_distance_3d(cnt[i][0], cnt[i][1], cnt[i][2], cur[0], cur[1], cur[2])), 0);
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// if(del < 0.001) break;
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}
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var palette = [];
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var clr;
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for( var i = 0; i < _size; i++ ) {
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var closet = 0;
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var dist = 999;
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var _cl = cnt[i];
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for( var j = 0, n = array_length(colors); j < n; j++ ) {
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var _cn = colors[j];
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var d = point_distance_3d(_cl[0], _cl[1], _cl[2], _cn[0], _cn[1], _cn[2]);
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if(d < dist) {
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dist = d;
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closet = j;
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}
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}
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var _cc = colors[closet];
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switch(_space) {
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case 0 : clr = make_color_rgba(_cc[0] * 255, _cc[1] * 255, _cc[2] * 255, 255); break;
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case 1 : clr = make_color_hsva(_cc[0] * 255, _cc[1] * 255, _cc[2] * 255, 255); break;
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case 2 : clr = make_color_hsva(_cc[0] * 255, _cc[1] * 255, _cc[2] * 255, 255); break;
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}
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array_push_unique(palette, clr);
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}
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surface_free(_surf);
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sortPalette(palette);
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return palette;
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}
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function extractAll(_surfFull) {
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var ww = surface_get_width_safe(_surfFull);
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var hh = surface_get_height_safe(_surfFull);
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var c_buffer = buffer_create(ww * hh * 4, buffer_fixed, 2);
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buffer_get_surface(c_buffer, _surfFull, 0);
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buffer_seek(c_buffer, buffer_seek_start, 0);
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var palette = [];
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for( var i = 0; i < ww * hh; i++ ) {
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var b = buffer_read(c_buffer, buffer_u32);
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var c = b;
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var a = b & (0b11111111 << 24);
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if(a == 0) continue;
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c = make_color_rgba(color_get_red(c), color_get_green(c), color_get_blue(c), color_get_alpha(c));
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if(!array_exists(palette, c))
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array_push(palette, c);
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}
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buffer_delete(c_buffer);
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return palette;
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}
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function extractFrequence(_surfFull, _size) {
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var msize = 128;
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var _surf = surface_create_valid(min(msize, surface_get_width_safe(_surfFull)), min(msize, surface_get_height_safe(_surfFull)));
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_size = max(1, _size);
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var ww = surface_get_width_safe(_surf);
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var hh = surface_get_height_safe(_surf);
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surface_set_target(_surf);
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DRAW_CLEAR
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BLEND_OVERRIDE
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draw_surface_stretched_safe(_surfFull, 0, 0, ww, hh);
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BLEND_NORMAL
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surface_reset_target();
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var c_buffer = buffer_create(ww * hh * 4, buffer_fixed, 2);
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var colors = array_create(ww * hh);
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buffer_get_surface(c_buffer, _surf, 0);
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buffer_seek(c_buffer, buffer_seek_start, 0);
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var clrs = ds_map_create();
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for( var i = 0; i < ww * hh; i++ ) {
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var b = buffer_read(c_buffer, buffer_u32);
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var c = b;
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var a = b & (0b_1111_1111 << 24) >> 24;
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if(a == 0) continue;
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c = make_color_rgba(color_get_red(c), color_get_green(c), color_get_blue(c), color_get_alpha(c));
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if(ds_map_exists(clrs, c)) clrs[? c].amount++;
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else clrs[? c] = { color: c, amount: 1 };
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}
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buffer_delete(c_buffer);
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var pr = ds_priority_create();
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var k = ds_map_find_first(clrs);
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var amo = ds_map_size(clrs);
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repeat(amo) {
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ds_priority_add(pr, clrs[? k].color, clrs[? k].amount);
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k = ds_map_find_next(clrs, k);
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}
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var amo = min(_size, ds_priority_size(pr));
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var pal = array_create(amo), ind = 0;
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repeat(amo) { pal[ind++] = ds_priority_delete_max(pr); }
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ds_priority_destroy(pr);
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ds_map_destroy(clrs);
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return pal;
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}
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static step = function() {
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var _algo = getInputData(3);
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inputs[1].setVisible(_algo != 2);
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inputs[2].setVisible(_algo == 0);
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inputs[4].setVisible(_algo == 0);
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}
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static extractPalette = function(_surf, _algo, _size, _seed) {
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if(!is_surface(_surf)) return [];
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switch(_algo) {
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case 0 : return extractKmean(_surf, _size, _seed);
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case 1 : return extractFrequence(_surf, _size);
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case 2 : return extractAll(_surf);
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}
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return [];
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}
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static processData = function(_outSurf, _data, _output_index, _array_index) {
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var _surf = _data[0];
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var _size = _data[1];
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var _seed = _data[2];
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var _algo = _data[3];
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return extractPalette(_surf, _algo, _size, _seed);
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}
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static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
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var bbox = drawGetBbox(xx, yy, _s);
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if(bbox.h < 1) return;
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var pal = outputs[0].getValue();
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if(array_empty(pal)) return;
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if(!is_array(pal[0])) pal = [ pal ];
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var _h = array_length(pal) * 32;
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var _y = bbox.y0;
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var gh = bbox.h / array_length(pal);
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for( var i = 0, n = array_length(pal); i < n; i++ ) {
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drawPalette(pal[i], bbox.x0, _y, bbox.w, gh);
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_y += gh;
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}
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if(_h != min_h) will_setHeight = true;
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min_h = _h;
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}
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} |