mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-10 20:45:35 +01:00
232 lines
6.6 KiB
Plaintext
232 lines
6.6 KiB
Plaintext
function canvas_draw_point_brush(brush, _x, _y, _draw = false) { #region
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if(brush.brush_surface == noone) {
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if(brush.brush_size <= 1)
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draw_point(_x, _y);
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else if(brush.brush_size < global.FIX_POINTS_AMOUNT) {
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var fx = global.FIX_POINTS[brush.brush_size];
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for( var i = 0, n = array_length(fx); i < n; i++ )
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draw_point(_x + fx[i][0], _y + fx[i][1]);
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} else
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draw_circle_prec(_x, _y, brush.brush_size / 2, 0);
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} else {
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var _sw = surface_get_width_safe(brush.brush_surface);
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var _sh = surface_get_height_safe(brush.brush_surface);
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var _r = brush.brush_direction + angle_random_eval(brush.brush_rand_dir, brush.brush_seed);
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var _p = point_rotate(-_sw / 2, -_sh / 2, 0, 0, _r);
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draw_surface_ext_safe(brush.brush_surface, round(_x + _p[0]), round(_y + _p[1]), 1, 1, _r, draw_get_color(), draw_get_alpha());
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if(_draw) brush.brush_seed = irandom_range(100000, 999999);
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}
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} #endregion
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function canvas_draw_line(_x0, _y0, _x1, _y1, _th = 1) {
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if(_th < global.FIX_POINTS_AMOUNT) {
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if(_x1 > _x0) _x0--;
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if(_x1 < _x0) _x1--;
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if(_y1 > _y0) _y0--;
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if(_y1 < _y0) _y1--;
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}
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if(_th == 1) {
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draw_line(_x0, _y0, _x1, _y1);
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} else if(_th < global.FIX_POINTS_AMOUNT) {
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var fx = global.FIX_POINTS[_th];
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for( var i = 0, n = array_length(fx); i < n; i++ )
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draw_line(_x0 + fx[i][0], _y0 + fx[i][1], _x1 + fx[i][0], _y1 + fx[i][1]);
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} else
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draw_line_width(_x0, _y0, _x1, _y1, _th);
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}
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function canvas_draw_line_brush(brush, _x0, _y0, _x1, _y1, _draw = false, _cap = false) { #region
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if(brush.brush_surface == noone) {
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if(brush.brush_size < global.FIX_POINTS_AMOUNT) {
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if(_x1 > _x0) _x0--;
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if(_x1 < _x0) _x1--;
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if(_y1 > _y0) _y0--;
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if(_y1 < _y0) _y1--;
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}
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if(brush.brush_size == 1) {
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draw_line(_x0, _y0, _x1, _y1);
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} else if(brush.brush_size < global.FIX_POINTS_AMOUNT) {
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var fx = global.FIX_POINTS[brush.brush_size];
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for( var i = 0, n = array_length(fx); i < n; i++ )
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draw_line(_x0 + fx[i][0], _y0 + fx[i][1], _x1 + fx[i][0], _y1 + fx[i][1]);
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} else {
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draw_line_width(_x0, _y0, _x1, _y1, brush.brush_size);
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if(_cap) {
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canvas_draw_point_brush(brush, _x0, _y0, true);
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canvas_draw_point_brush(brush, _x1, _y1, true);
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}
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}
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} else {
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var diss = 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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var _i = _draw? brush.brush_next_dist : 0;
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var _dst = diss;
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if(_i < diss) {
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while(_i < diss) {
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var _px = _x0 + st_x * _i;
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var _py = _y0 + st_y * _i;
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canvas_draw_point_brush(brush, _px, _py, _draw);
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brush.brush_next_dist = random_range(brush.brush_dist_min, brush.brush_dist_max);
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_i += brush.brush_next_dist;
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_dst -= brush.brush_next_dist;
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}
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brush.brush_next_dist -= _dst;
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} else
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brush.brush_next_dist -= diss;
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if(brush.brush_dist_min == brush.brush_dist_max && brush.brush_dist_min == 1)
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canvas_draw_point_brush(brush, _x1, _y1, _draw);
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}
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} #endregion
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function canvas_draw_rect_brush(brush, _x0, _y0, _x1, _y1, _fill) { #region
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if(_x0 == _x1 && _y0 == _y1) {
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canvas_draw_point_brush(brush, _x0, _y0);
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return;
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} else if(_x0 == _x1) {
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canvas_draw_point_brush(brush, _x0, _y0);
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canvas_draw_point_brush(brush, _x1, _y1);
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canvas_draw_line_brush(brush, _x0, _y0, _x0, _y1);
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return;
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} else if(_y0 == _y1) {
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canvas_draw_point_brush(brush, _x0, _y0);
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canvas_draw_point_brush(brush, _x1, _y1);
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canvas_draw_line_brush(brush, _x0, _y0, _x1, _y0);
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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) draw_rectangle(_min_x, _min_y, _max_x, _may_y, 0);
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if(brush.brush_size == 1 && brush.brush_surface == noone)
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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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canvas_draw_line_brush(brush, _min_x, _min_y, _max_x, _min_y);
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canvas_draw_line_brush(brush, _min_x, _min_y, _min_x, _may_y);
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canvas_draw_line_brush(brush, _max_x, _may_y, _max_x, _min_y);
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canvas_draw_line_brush(brush, _max_x, _may_y, _min_x, _may_y);
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}
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} #endregion
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function canvas_draw_ellp_brush(brush, _x0, _y0, _x1, _y1, _fill) { #region
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if(_x0 == _x1 && _y0 == _y1) {
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canvas_draw_point_brush(brush, _x0, _y0);
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return;
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} else if(_x0 == _x1) {
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canvas_draw_point_brush(brush, _x0, _y0);
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canvas_draw_point_brush(brush, _x1, _y1);
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canvas_draw_line_brush(brush, _x0, _y0, _x0, _y1);
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return;
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} else if(_y0 == _y1) {
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canvas_draw_point_brush(brush, _x0, _y0);
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canvas_draw_point_brush(brush, _x1, _y1);
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canvas_draw_line_brush(brush, _x0, _y0, _x1, _y0);
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return;
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}
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draw_set_circle_precision(64);
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var _min_x = min(_x0, _x1) - 0.5;
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var _max_x = max(_x0, _x1) - 0.5;
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var _min_y = min(_y0, _y1) - 0.5;
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var _max_y = max(_y0, _y1) - 0.5;
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if(brush.brush_surface == noone) {
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if(_fill) draw_ellipse(_min_x, _min_y, _max_x, _max_y, 0);
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if(brush.brush_size == 1) {
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draw_ellipse(_min_x, _min_y, _max_x, _max_y, 1);
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} else if(brush.brush_size < global.FIX_POINTS_AMOUNT) {
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var fx = global.FIX_POINTS[brush.brush_size];
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for( var i = 0, n = array_length(fx); i < n; i++ )
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draw_ellipse(_min_x + fx[i][0], _min_y + fx[i][1], _max_x + fx[i][0], _max_y + fx[i][1], 1);
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} else {
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draw_ellipse(_min_x, _min_y, _max_x, _max_y, brush.brush_size);
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}
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return;
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}
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if(_fill) draw_ellipse(_min_x, _min_y, _max_x, _max_y, 0);
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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 = round(cx + lengthdir_x(rx, 360 / samp * i));
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ny = round(cy + lengthdir_y(ry, 360 / samp * i));
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if(i) canvas_draw_line_brush(brush, ox, oy, nx, ny);
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ox = nx;
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oy = ny;
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}
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} #endregion
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function canvas_draw_curve_brush(brush, x0, y0, cx0, cy0, cx1, cy1, x1, y1, prec = 32) { #region
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var ox, oy, nx, ny;
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var _st = 1 / prec;
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for (var i = 0; i <= prec; i++) {
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var _t = _st * i;
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var _t1 = 1 - _t;
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nx = _t1 * _t1 * _t1 * x0 +
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3 * (_t1 * _t1 * _t) * cx0 +
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3 * (_t1 * _t * _t) * cx1 +
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_t * _t * _t * x1;
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ny = _t1 * _t1 * _t1 * y0 +
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3 * (_t1 * _t1 * _t) * cy0 +
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3 * (_t1 * _t * _t) * cy1 +
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_t * _t * _t * y1;
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if(i) canvas_draw_line_brush(brush, ox, oy, nx, ny, true, true);
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ox = nx;
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oy = ny;
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}
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} #endregion
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function canvas_draw_triangle(x1, y1, x2, y2, x3, y3, outline = false) { INLINE draw_triangle(round(x1), round(y1), round(x2), round(y2), round(x3), round(y3), outline); } |