mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 14:36:13 +01:00
123 lines
No EOL
3.2 KiB
Text
123 lines
No EOL
3.2 KiB
Text
function draw_surface_safe(surface, _x, _y) {
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if(!is_surface(surface)) return;
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draw_surface(surface, _x, _y);
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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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draw_surface_ext(surface, _x, _y, _xs, _ys, _rot, _col, _alpha);
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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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draw_surface_tiled_ext(surface, _x, _y, _xs, _ys, _col, _alpha);
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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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draw_surface_part_ext(surface, _l, _t, _w, _h, _x, _y, _xs, _ys, _col, _alpha);
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}
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function surface_size_to(surface, width, height) {
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if(!surface_exists(surface)) return false;
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if(width <= 1 && height <= 1) return false;
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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 false;
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surface_resize(surface, width, height);
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return true;
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}
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function surface_copy_add(dst, src, _x = 0, _y = 0) {
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surface_set_target(dst);
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draw_clear_alpha(0, 0);
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BLEND_OVER
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draw_surface_safe(src, _x, _y);
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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) {
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if(!surface_exists(surface)) return surface_create(1, 1);
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var s = surface_create_valid(surface_get_width(surface), surface_get_height(surface));
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surface_set_target(s);
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draw_clear_alpha(0, 0);
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surface_reset_target();
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surface_copy_add(s, surface);
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return s;
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}
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function surface_copy_size(dest, source) {
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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));
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surface_set_target(dest);
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draw_clear_alpha(0, 0);
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surface_reset_target();
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surface_copy_add(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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return max(1, s);
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}
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function surface_create_valid(w, h) {
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return surface_create(surface_valid_size(w), surface_valid_size(h));
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}
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function is_surface(s) {
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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_create_from_sprite_ext(spr, ind) {
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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);
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surface_set_target(s);
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BLEND_OVER
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draw_clear_alpha(0, 0);
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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_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_verify(surf, w, h) {
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if(!is_surface(surf))
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return surface_create_valid(w, h);
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surface_size_to(surf, w, h);
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return surf;
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} |