mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
455 lines
12 KiB
Plaintext
455 lines
12 KiB
Plaintext
//draw
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function draw_surface_safe(surface, _x = 0, _y = 0) {
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if(!is_surface(surface)) return;
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__channel_pre(surface);
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draw_surface(surface, _x, _y);
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__channel_pos(surface);
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}
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function draw_surface_stretched_safe(surface, _x, _y, _w, _h) {
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if(!is_surface(surface)) return;
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__channel_pre(surface);
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draw_surface_stretched(surface, _x, _y, _w, _h);
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__channel_pos(surface);
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}
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function draw_surface_ext_safe(surface, _x, _y, _xs = 1, _ys = 1, _rot = 0, _col = c_white, _alpha = 1) {
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if(!is_surface(surface)) return;
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__channel_pre(surface);
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draw_surface_ext(surface, _x, _y, _xs, _ys, _rot, _col, _alpha);
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__channel_pos(surface);
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}
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function draw_surface_tiled_safe(surface, _x, _y) {
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if(!is_surface(surface)) return;
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__channel_pre(surface);
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draw_surface_tiled(surface, _x, _y);
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__channel_pos(surface);
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}
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function draw_surface_tiled_ext_safe(surface, _x, _y, _xs = 1, _ys = 1, _col = c_white, _alpha = 1) {
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if(!is_surface(surface)) return;
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__channel_pre(surface);
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draw_surface_tiled_ext(surface, _x, _y, _xs, _ys, _col, _alpha);
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__channel_pos(surface);
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}
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function draw_surface_part_ext_safe(surface, _l, _t, _w, _h, _x, _y, _xs = 1, _ys = 1, _rot = 0, _col = c_white, _alpha = 1) {
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if(!is_surface(surface)) return;
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__channel_pre(surface);
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draw_surface_part_ext(surface, _l, _t, _w, _h, _x, _y, _xs, _ys, _col, _alpha);
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__channel_pos(surface);
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}
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#macro surface_free surface_free_safe
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#macro __surface_free surface_free
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function surface_free_safe(surface) {
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if(!is_surface(surface)) return;
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__surface_free(surface);
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}
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function surface_save_safe(surface, path) {
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if(!is_surface(surface)) return;
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var f = surface_get_format(surface);
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if(f == surface_rgba8unorm) {
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surface_save(surface, path);
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return;
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}
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var w = surface_get_width(surface);
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var h = surface_get_height(surface);
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var s = surface_create(w, h, surface_rgba8unorm);
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switch(f) {
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case surface_rgba4unorm :
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case surface_rgba8unorm :
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case surface_rgba16float :
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case surface_rgba32float :
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surface_set_shader(s, sh_draw_normal);
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draw_surface(surface, 0, 0);
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surface_reset_shader();
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surface_save(s, path);
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return;
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case surface_r8unorm :
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s = surface_create(w, h, surface_rgba8unorm);
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break;
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case surface_r16float :
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s = surface_create(w, h, surface_rgba16float);
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break;
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case surface_r32float :
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s = surface_create(w, h, surface_rgba32float);
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break;
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default:
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return;
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}
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surface_set_shader(s, sh_draw_single_channel);
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draw_surface(surface, 0, 0);
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surface_reset_shader();
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surface_save(s, path);
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surface_free(s);
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return;
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}
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//check
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function is_surface(s) {
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gml_pragma("forceinline");
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if(is_undefined(s)) return false;
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if(is_array(s)) return false;
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if(!is_real(s)) return false;
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if(!s) return false;
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if(!surface_exists(s)) return false;
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if(surface_get_width(s) <= 0) return false;
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if(surface_get_height(s) <= 0) return false;
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return true;
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}
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function surface_verify(surf, w, h, format = surface_rgba8unorm) {
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gml_pragma("forceinline");
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w = round(w);
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h = round(h);
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if(!is_surface(surf))
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return surface_create_valid(w, h, format);
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return surface_size_to(surf, w, h, format);
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}
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//get
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function surface_get_pixel(surface, _x, _y) {
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if(!is_surface(surface)) return;
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var f = surface_get_format(surface);
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var px = surface_getpixel(surface, _x, _y);
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if(is_real(px)) return px;
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return round(px[0] * (255 * power(256, 0))) + round(px[1] * (255 * power(256, 1))) + round(px[2] * (255 * power(256, 2)));
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}
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function surface_get_pixel_ext(surface, _x, _y) {
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if(!is_surface(surface)) return;
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var f = surface_get_format(surface);
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var px = surface_getpixel_ext(surface, _x, _y);
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if(is_real(px)) return px;
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return round(px[0] * (255 * power(256, 0))) + round(px[1] * (255 * power(256, 1))) + round(px[2] * (255 * power(256, 2))) + round(px[3] * (255 * power(256, 3)));
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}
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//create
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function surface_create_empty(w, h) {
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var s = surface_create(w, h);
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surface_clear(s);
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return s;
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}
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function surface_create_size(surface, format = surface_rgba8unorm) {
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var s = surface_create_valid(surface_get_width(surface), surface_get_height(surface), format);
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surface_set_target(s);
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DRAW_CLEAR
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surface_reset_target();
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return s;
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}
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function surface_create_valid(w, h, format = surface_rgba8unorm) {
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var s = surface_create(surface_valid_size(w), surface_valid_size(h), format);
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surface_set_target(s);
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DRAW_CLEAR
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surface_reset_target();
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return s;
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}
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function surface_create_from_buffer(w, h, buff, format = surface_rgba8unorm) {
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if(buff < 0) return;
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var s = surface_create_valid(surface_valid_size(w), surface_valid_size(h), format);
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buffer_set_surface(buff, s, 0);
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return s;
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}
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function surface_from_buffer(buff) {
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static header_length = 24;
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if(!buffer_exists(buff)) return noone;
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buffer_seek(buff, buffer_seek_start, 0);
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var text = "";
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repeat(4) text += chr(buffer_read(buff, buffer_u8));
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if(text != "PXCS") return noone;
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var w = buffer_read(buff, buffer_u16);
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var h = buffer_read(buff, buffer_u16);
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var format = buffer_read(buff, buffer_u8);
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//print($"Creating surface from buffer {buff}: size {buffer_get_size(buff) - 4}: w = {w}, h = {h}");
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if(w < 1 || h < 1) return noone;
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var s = surface_create(w, h, format);
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buffer_set_surface(buff, s, header_length);
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return s;
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}
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function surface_create_from_sprite(spr) {
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if(!sprite_exists(spr)) return noone;
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if(sprite_get_number(spr) == 1)
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return surface_create_from_sprite_ext(spr, 0);
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var s = [];
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for( var i = 0; i < sprite_get_number(spr); i++ ) {
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array_push(s, surface_create_from_sprite_ext(spr, i));
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}
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return s;
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}
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function surface_create_from_sprite_ext(spr, ind, format = surface_rgba8unorm) {
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if(!sprite_exists(spr)) return noone;
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var sw = sprite_get_width(spr);
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var sh = sprite_get_height(spr);
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var s = surface_create_valid(sw, sh, format);
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surface_set_target(s);
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BLEND_OVERRIDE;
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DRAW_CLEAR
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draw_sprite(spr, ind, sprite_get_xoffset(spr), sprite_get_yoffset(spr));
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BLEND_NORMAL
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surface_reset_target();
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return s;
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}
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function surface_size_lim(surface, width, height) {
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var sw = surface_get_width(surface);
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var sh = surface_get_height(surface);
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if(sw <= width && sh <= height) return surface;
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var ss = min(width / sw, height / sh);
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var s = surface_create(sw * ss, sh * ss);
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surface_set_target(s);
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DRAW_CLEAR;
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draw_surface_ext(surface, 0, 0, ss, ss, 0, c_white, 1);
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surface_reset_target();
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return s;
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}
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function surface_size_to(surface, width, height, format = noone) {
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if(!is_surface(surface)) return surface;
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if(width < 1 && height < 1) return surface;
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if(format != noone && format != surface_get_format(surface)) {
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surface_free(surface);
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return surface_create_valid(width, height, format);
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}
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width = surface_valid_size(width);
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height = surface_valid_size(height);
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var ww = surface_get_width(surface);
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var hh = surface_get_height(surface);
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if(ww == width && hh == height) return surface;
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surface_resize(surface, width, height);
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return surface;
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}
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function surface_clear(surface) {
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if(!is_surface(surface)) return;
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surface_set_target(surface);
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DRAW_CLEAR
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surface_reset_target();
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}
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function surface_copy_from(dst, src, format = noone) {
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surface_set_target(dst);
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DRAW_CLEAR
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BLEND_OVERRIDE;
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draw_surface_safe(src, 0, 0);
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BLEND_NORMAL
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surface_reset_target();
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}
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function surface_clone(surface, source = noone, format = noone) {
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if(!is_surface(surface)) return noone;
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source = surface_verify(source, surface_get_width(surface), surface_get_height(surface), format == noone? surface_get_format(surface) : format);
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surface_set_target(source);
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DRAW_CLEAR
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BLEND_OVERRIDE;
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draw_surface_safe(surface, 0, 0);
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BLEND_NORMAL
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surface_reset_target();
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return source;
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}
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//in-place modification
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function surface_stretch(surf, _w, _h) {
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if(!is_surface(surf)) return noone;
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_w = surface_valid_size(_w);
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_h = surface_valid_size(_h);
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var _surf = surface_create(_w, _h);
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surface_set_target(_surf);
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DRAW_CLEAR
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draw_surface_stretched(surf, 0, 0, _w, _h);
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surface_reset_target();
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surface_free(surf);
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return _surf;
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}
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function surface_mirror(surf, _h, _v) {
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if(!is_surface(surf)) return noone;
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var _surf = surface_create_size(surf);
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surface_set_target(_surf);
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DRAW_CLEAR
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var x0 = _h * surface_get_width(_surf);
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var y0 = _v * surface_get_height(_surf);
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draw_surface_ext(surf, x0, y0, _h * 2 - 1, _v * 2 - 1, 0, c_white, 1);
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surface_reset_target();
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surface_free(surf);
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return _surf;
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}
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//others
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function surface_copy_size(dest, source, format = noone) {
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if(!is_surface(dest)) return;
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if(!is_surface(source)) return;
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surface_size_to(dest, surface_get_width(source), surface_get_height(source), format);
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surface_set_target(dest);
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DRAW_CLEAR
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surface_reset_target();
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surface_copy_from(dest, source);
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}
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function surface_valid_size(s) {
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if(is_infinity(s)) return 1;
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s = toNumber(s);
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if(!is_real(s)) return 1;
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return clamp(s, 1, 8196);
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}
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function surface_array_free(arr) {
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if(!is_array(arr)) {
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if(is_surface(arr)) surface_free(arr);
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return;
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}
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for( var i = 0, n = array_length(arr); i < n; i++ )
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surface_array_free(arr[i]);
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}
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function surface_array_clone(arr) {
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if(!is_array(arr)) {
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if(is_surface(arr))
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return surface_clone(arr);
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else
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return arr;
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}
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var _arr = [];
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for( var i = 0, n = array_length(arr); i < n; i++ )
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_arr[i] = surface_array_clone(arr[i]);
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return _arr;
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}
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function surface_array_serialize(arr) {
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var _arr = __surface_array_serialize(arr);
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return json_stringify(_arr);
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}
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function __surface_array_serialize(arr) {
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if(!is_array(arr)) {
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if(is_surface(arr)) {
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var buff = buffer_create(surface_get_width(arr) * surface_get_height(arr) * 4, buffer_fixed, 1);
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buffer_get_surface(buff, arr, 0);
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var comp = buffer_compress(buff, 0, buffer_get_size(buff));
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var enc = buffer_base64_encode(comp, 0, buffer_get_size(comp));
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buffer_delete(buff);
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return { width: surface_get_width(arr), height: surface_get_height(arr), buffer: enc };
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} else
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return arr;
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}
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var _arr = [];
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for( var i = 0, n = array_length(arr); i < n; i++ )
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_arr[i] = __surface_array_serialize(arr[i]);
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return _arr;
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}
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function surface_array_deserialize(arr, index = -1) {
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var _arr = json_try_parse(arr);
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return index == -1? __surface_array_deserialize(_arr) : __surface_array_deserialize(_arr[index]);
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}
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function __surface_array_deserialize(arr) {
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if(!is_array(arr)) {
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if(!is_struct(arr) || !struct_has(arr, "buffer"))
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return noone;
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var buff = buffer_base64_decode(arr.buffer);
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buff = buffer_decompress(buff);
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return surface_create_from_buffer(arr.width, arr.height, buff);
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}
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var _arr = [];
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for( var i = 0, n = array_length(arr); i < n; i++ )
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_arr[i] = __surface_array_deserialize(arr[i]);
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return _arr;
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}
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function surface_encode(surface) {
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if(!is_surface(surface)) return "";
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var buff = buffer_create(surface_get_width(surface) * surface_get_height(surface) * 4, buffer_fixed, 1);
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buffer_get_surface(buff, surface, 0);
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var comp = buffer_compress(buff, 0, buffer_get_size(buff));
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var enc = buffer_base64_encode(comp, 0, buffer_get_size(comp));
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buffer_delete(buff);
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var str = { width: surface_get_width(surface), height: surface_get_height(surface), buffer: enc };
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return json_stringify(str);
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}
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function surface_decode(struct) {
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var buff = buffer_base64_decode(struct.buffer);
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var buff = buffer_decompress(buff);
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return surface_create_from_buffer(struct.width, struct.height, buff);
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}
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function surface_format_get_bytes(format) {
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switch(format) {
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case surface_rgba4unorm : return 4 * 0.5; break;
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case surface_rgba8unorm : return 4 * 1; break;
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case surface_rgba16float : return 4 * 2; break;
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case surface_rgba32float : return 4 * 4; break;
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case surface_r8unorm : return 1 * 1; break;
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case surface_r16float : return 1 * 2; break;
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case surface_r32float : return 1 * 3; break;
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}
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return 1;
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}
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function surface_get_size(surface) {
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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 sz = sw * sh * surface_format_get_bytes(surface_get_format(surface));
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return sz;
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} |