mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 14:36:13 +01:00
376 lines
No EOL
9.8 KiB
Text
376 lines
No EOL
9.8 KiB
Text
enum GRADIENT_INTER {
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smooth,
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none,
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hue,
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oklab,
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srgb
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}
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global.gradient_sort_list = ds_priority_create();
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function gradientKey(time, value) constructor {
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self.time = time;
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self.value = value;
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_hover = 0;
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static clone = function() { return new gradientKey(time, value); }
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static serialize = function() { return { time, value }; }
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}
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function gradientObject(color = c_black) constructor {
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static GRADIENT_LIMIT = 128;
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if(is_array(color)) keys = [ new gradientKey(0, cola(color[0])), new gradientKey(1, cola(color[1])) ];
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else keys = [ new gradientKey(0, cola(color)) ];
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type = GRADIENT_INTER.smooth;
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surf = noone;
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cacheRes = 128;
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caches = array_create(cacheRes);
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keyLength = 0;
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static refresh = function() {
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ds_priority_clear(global.gradient_sort_list);
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for (var i = 0, n = array_length(keys); i < n; i++)
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ds_priority_add(global.gradient_sort_list, keys[i], keys[i].time);
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for (var i = 0, n = array_length(keys); i < n; i++)
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keys[i] = ds_priority_delete_min(global.gradient_sort_list);
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cache();
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}
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static clone = function() {
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var g = new gradientObject();
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for( var i = 0, n = array_length(keys); i < n; i++ )
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g.keys[i] = keys[i].clone();
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g.type = type;
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return g;
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}
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static add = function(_addkey, _deleteDup = true) {
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if(array_length(keys) > GRADIENT_LIMIT) return;
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if(array_length(keys) == 0) {
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array_push(keys, _addkey);
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return;
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}
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for(var i = 0; i < array_length(keys); i++) {
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var _key = keys[i];
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if(_key.time == _addkey.time) {
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if(_deleteDup)
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_key.value = _addkey.value;
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return;
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} else if(_key.time > _addkey.time) {
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array_insert(keys, i, _addkey);
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return;
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}
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}
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array_push(keys, _addkey);
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}
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static eval = function(position) {
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var _len = array_length(keys);
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if(_len == 0) return c_black;
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if(_len == 1) return keys[0].value;
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if(position <= keys[0].time) return keys[0].value;
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if(position >= keys[_len - 1].time) return keys[_len - 1].value;
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for(var i = 1; i < _len; i++) {
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var _pkey = keys[i - 1];
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var _key = keys[i];
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if(_key.time < position) continue;
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if(_key.time == position) return _key.value;
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var rat = (position - _pkey.time) / (_key.time - _pkey.time);
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switch(type) {
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case GRADIENT_INTER.smooth : return merge_color (_pkey.value, _key.value, rat);
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case GRADIENT_INTER.hue : return merge_color_hsv (_pkey.value, _key.value, rat);
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case GRADIENT_INTER.oklab : return merge_color_oklab(_pkey.value, _key.value, rat);
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case GRADIENT_INTER.srgb : return merge_color_srgb (_pkey.value, _key.value, rat);
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case GRADIENT_INTER.none : return _pkey.value;
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}
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}
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return keys[array_length(keys) - 1].value; //after last color
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}
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static evalFast = function(position) {
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INLINE
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var _len = array_length(keys);
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if(position <= keys[0].time) return keys[0].value;
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if(position >= keys[_len - 1].time) return keys[_len - 1].value;
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var _ind = round(position * cacheRes);
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return caches[_ind];
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}
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static draw = function(_x, _y, _w, _h, _a = 1) {
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var uniform_grad_blend = shader_get_uniform(sh_gradient_display, "gradient_blend");
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var uniform_grad = shader_get_uniform(sh_gradient_display, "gradient_color");
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var uniform_grad_time = shader_get_uniform(sh_gradient_display, "gradient_time");
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var uniform_grad_key = shader_get_uniform(sh_gradient_display, "gradient_keys");
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var _grad_color = [];
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var _grad_time = [];
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var len = min(128, array_length(keys));
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var aa = false;
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for(var i = 0; i < len; i++) {
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var _val = keys[i].value;
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if(_val == undefined) return;
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_grad_color[i * 4 + 0] = _color_get_red(_val);
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_grad_color[i * 4 + 1] = _color_get_green(_val);
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_grad_color[i * 4 + 2] = _color_get_blue(_val);
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_grad_color[i * 4 + 3] = _color_get_alpha(_val);
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_grad_time[i] = keys[i].time;
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if(_grad_color[i * 4 + 3] != 1) aa = true;
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}
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surf = surface_verify(surf, _w, _h);
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surface_set_target(surf);
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DRAW_CLEAR
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var _gh = aa? _h - ui(8) : _h;
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draw_sprite_stretched_ext(THEME.ui_panel_bg, 4, 0, 0, _w, _gh, c_white, _a)
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if(len) {
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BLEND_MULTIPLY
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shader_set(sh_gradient_display);
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shader_set_uniform_i(uniform_grad_blend, type);
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shader_set_uniform_f_array_safe(uniform_grad, _grad_color, GRADIENT_LIMIT * 4);
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shader_set_uniform_f_array_safe(uniform_grad_time, _grad_time);
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shader_set_uniform_i(uniform_grad_key, len);
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draw_sprite_stretched_ext(s_fx_pixel, 0, 0, 0, _w, _gh, c_white, 1);
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shader_reset();
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BLEND_NORMAL
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}
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if(aa) {
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draw_sprite_stretched_ext(THEME.ui_panel_bg, 4, 0, _h - ui(6), _w, ui(6), c_white, _a)
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BLEND_MULTIPLY
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shader_set(sh_gradient_display_alpha);
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shader_set_uniform_i(uniform_grad_blend, type);
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shader_set_uniform_f_array_safe(uniform_grad, _grad_color, GRADIENT_LIMIT * 4);
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shader_set_uniform_f_array_safe(uniform_grad_time, _grad_time);
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shader_set_uniform_i(uniform_grad_key, len);
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draw_sprite_stretched_ext(s_fx_pixel, 0, 0, _h - ui(6), _w, ui(6), c_white, 1);
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shader_reset();
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BLEND_NORMAL
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}
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surface_reset_target();
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draw_surface(surf, _x, _y);
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}
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static cache = function(res = 128) {
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cacheRes = res;
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caches = array_verify(caches, cacheRes + 1);
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keyLength = array_length(keys);
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for( var i = 0; i <= cacheRes; i++ )
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caches[i] = eval(i / cacheRes);
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}
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static toArray = function() {
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var _grad_color = [], _grad_time = [];
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for(var i = 0; i < array_length(keys); i++) {
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var _val = keys[i].value;
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if(is_undefined(_val)) continue;
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_grad_color[i * 4 + 0] = _color_get_red(_val);
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_grad_color[i * 4 + 1] = _color_get_green(_val);
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_grad_color[i * 4 + 2] = _color_get_blue(_val);
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_grad_color[i * 4 + 3] = _color_get_alpha(_val);
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_grad_time[i] = keys[i].time;
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}
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return [ _grad_color, _grad_time ];
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}
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static lerpTo = function(target, amount) {
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var grad = new gradientObject();
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grad.keys = [];
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grad.type = type;
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var key_count = ceil(lerp(array_length(keys), array_length(target.keys), amount));
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if(key_count == 0) return grad;
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if(key_count == 1) {
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grad.keys[0] = new gradientKey(0, merge_color(eval(0), target.eval(0), amount));
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return grad;
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}
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for( var i = 0; i < key_count; i++ ) {
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var rat = i / (key_count - 1);
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var kf = keys[rat * (array_length(keys) - 1)];
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var kt = target.keys[rat * (array_length(target.keys) - 1)];
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var time = lerp(kf.time, kt.time, amount);
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var value = merge_color(eval(time), target.eval(time), amount);
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grad.keys[i] = new gradientKey(time, value);
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}
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return grad;
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}
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static shader_submit = function() {
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var _grad = toArray();
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var _grad_color = _grad[0];
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var _grad_time = _grad[1];
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shader_set_i("gradient_blend", type);
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shader_set_f_array("gradient_color", _grad_color, GRADIENT_LIMIT * 4);
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shader_set_f("gradient_time", _grad_time);
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shader_set_i("gradient_keys", array_length(keys));
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}
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static clone = function() {
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var g = new gradientObject();
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g.keys = [];
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g.type = type;
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for( var i = 0, n = array_length(keys); i < n; i++ )
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g.keys[i] = keys[i].clone();
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return g;
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}
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static serialize = function() {
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var s = { type, keys: [] };
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for( var i = 0, n = array_length(keys); i < n; i++ )
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s.keys[i] = keys[i].serialize();
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// print(s);
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return json_stringify(s, false);
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}
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static deserialize = function(str) {
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var s;
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if(is_array(str)) {
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keys = [];
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for( var i = 0, n = array_length(str); i < n; i++ )
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keys[i] = new gradientKey(str[i].time, str[i].value);
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return self;
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}
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if(is_string(str)) s = json_try_parse(str);
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else if(is_struct(str)) s = str;
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else return self;
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type = struct_try_get(s, "type");
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keys = array_create(array_length(s.keys));
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// print(s.keys);
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for( var i = 0, n = array_length(s.keys); i < n; i++ ) {
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var _time = s.keys[i].time;
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var _value = s.keys[i].value;
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keys[i] = new gradientKey(_time, _value);
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}
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return self;
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}
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}
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function loadGradient(path) {
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if(path == "") return noone;
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if(!file_exists_empty(path)) return noone;
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var grad = new gradientObject();
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grad.keys = [];
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var _t = file_text_open_read(path);
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while(!file_text_eof(_t)) {
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var key = string_trim(file_text_readln(_t));
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var _col = 0, _pos = 0;
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if(string_pos(",", key)) {
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var keys = string_splice(key, ",");
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if(array_length(keys) < 2) continue;
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_col = toNumber(keys[0]);
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_pos = toNumber(keys[1]);
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} else {
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_col = toNumber(key);
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if(file_text_eof(_t)) break;
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_pos = toNumber(file_text_readln(_t));
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}
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if(!is_int64(_col)) _col = cola(_col);
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array_push(grad.keys, new gradientKey(_pos, _col));
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}
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file_text_close(_t);
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return grad;
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}
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function shader_set_gradient(gradient, surface, range, junc) {
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var use_map = junc.attributes.mapped && is_surface(surface);
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shader_set_i("gradient_use_map", use_map);
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shader_set_f("gradient_map_range", range);
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var t = shader_set_surface("gradient_map", surface);
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gpu_set_tex_filter_ext(t, true);
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gradient.shader_submit();
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}
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function evaluate_gradient_map(_x, gradient, surface, range, junc, fast = false) {
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var use_map = junc.attributes.mapped;
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if(!use_map) return fast? gradient.evalFast(_x) : gradient.eval(_x);
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var _sw = surface_get_width(surface);
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var _sh = surface_get_height(surface);
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var _sx = lerp(range[0], range[2], _x) * _sw;
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var _sy = lerp(range[1], range[3], _x) * _sh;
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return surface_getpixel_ext(surface, _sx, _sy);
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}
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globalvar GRADIENTS;
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GRADIENTS = [];
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function __initGradient() {
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GRADIENTS = [];
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var path = DIRECTORY + "Gradients/"
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var file = file_find_first(path + "*", 0);
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while(file != "") {
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array_push(GRADIENTS, {
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name: filename_name_only(file),
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path: path + file,
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gradient: loadGradient(path + file)
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});
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file = file_find_next();
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}
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file_find_close();
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} |