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[Scale Algorithm] Add rotation to cleanedge algorithm.

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Tanasart 2024-10-26 07:53:22 +07:00
parent 686e6dfbe4
commit 0dbb49b70c
3 changed files with 19 additions and 8 deletions
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2
scripts/node_registry/node_registry.gml
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@ -562,7 +562,7 @@ function __initNodes() {
ds_list_add(transform, "Transformations");
addNodeObject(transform, "Transform", s_node_transform, "Node_Transform", [1, Node_Transform], ["move", "rotate", "scale"], "Move, rotate, and scale image.");
addNodeObject(transform, "Scale", s_node_scale, "Node_Scale", [1, Node_Scale], ["resize"], "Simple node for scaling image.");
addNodeObject(transform, "Scale Algorithm", s_node_scale_algo, "Node_Scale_Algo", [0, Node_create_Scale_Algo], ["scale2x", "scale3x", "cleanshape"], "Scale image using scale2x, scale3x algorithm.");
addNodeObject(transform, "Scale Algorithm", s_node_scale_algo, "Node_Scale_Algo", [0, Node_create_Scale_Algo], ["scale2x", "scale3x", "cleanedge"], "Scale image using pixel-art scaling algorithm.");
addNodeObject(transform, "Flip", s_node_flip, "Node_Flip", [1, Node_Flip], ["mirror"], "Flip image horizontally or vertically.");
addNodeObject(transform, "Offset", s_node_offset, "Node_Offset", [1, Node_Offset], ["shift"], "Shift image with tiling.");

19
scripts/node_scale_algo/node_scale_algo.gml
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@ -3,9 +3,9 @@ function Node_create_Scale_Algo(_x, _y, _group = noone, _param = {}) {
var node = new Node_Scale_Algo(_x, _y, _group).skipDefault();
switch(query) {
case "scale2x" : node.inputs[1].setValue(0); break;
case "scale3x" : node.inputs[1].setValue(1); break;
case "cleanshape" : node.inputs[1].setValue(2); break;
case "scale2x" : node.inputs[1].setValue(0); break;
case "scale3x" : node.inputs[1].setValue(1); break;
case "cleanedge" : node.inputs[1].setValue(2); break;
}
return node;
@ -30,11 +30,13 @@ function Node_Scale_Algo(_x, _y, _group = noone) : Node_Processor(_x, _y, _group
newInput(5, nodeValue_Float("Scale", self, 4));
newInput(6, nodeValue_Rotation("Rotation", self, 0));
newOutput(0, nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone));
input_display_list = [ 3,
["Surfaces", false], 0,
["Scale", false], 1, 2, 4, 5,
["Scale", false], 1, 2, 4, 5, 6,
]
attribute_surface_depth();
@ -46,6 +48,7 @@ function Node_Scale_Algo(_x, _y, _group = noone) : Node_Processor(_x, _y, _group
var _atlas = is_instanceof(_surf, SurfaceAtlas);
inputs[4].setVisible(_atlas);
inputs[5].setVisible(_type == 2);
inputs[6].setVisible(_type == 2);
}
static processData = function(_outSurf, _data, _output_index, _array_index) {
@ -53,6 +56,7 @@ function Node_Scale_Algo(_x, _y, _group = noone) : Node_Processor(_x, _y, _group
var algo = _data[1];
var _atlS = _data[4];
var _scal = _data[5];
var _rota = _data[6];
var ww = surface_get_width_safe(inSurf);
var hh = surface_get_height_safe(inSurf);
var cDep = attrDepth();
@ -73,6 +77,7 @@ function Node_Scale_Algo(_x, _y, _group = noone) : Node_Processor(_x, _y, _group
_surf = surface_verify(_surf, sw, sh, cDep);
break;
case 1 :
shader = sh_scale3x;
sc = 3;
@ -81,6 +86,7 @@ function Node_Scale_Algo(_x, _y, _group = noone) : Node_Processor(_x, _y, _group
_surf = surface_verify(_surf, sw, sh, cDep);
break;
case 2 :
shader = sh_scale_cleanedge;
sc = _scal;
@ -88,15 +94,16 @@ function Node_Scale_Algo(_x, _y, _group = noone) : Node_Processor(_x, _y, _group
hh *= sc;
_surf = surface_verify(_surf, ww, hh, cDep);
// gpu_set_texfilter(true);
break;
}
surface_set_shader(_surf, shader);
shader_set_f("dimension", [ ww, hh ]);
shader_set_f("tol", _data[2]);
shader_set_f("similarThreshold", _data[2]);
shader_set_f("scale", _data[5]);
shader_set_f("scale", _scal);
shader_set_f("rotation", degtorad(_rota));
draw_surface_ext_safe(_data[0], 0, 0, sc, sc, 0, c_white, 1);
surface_reset_shader();

6
shaders/sh_scale_cleanedge/sh_scale_cleanedge.fsh
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@ -34,6 +34,7 @@ varying vec4 v_vColour;
uniform vec2 dimension;
uniform float scale;
uniform float rotation;
//the color with the highest priority.
// other colors will be tested based on distance to this
@ -295,8 +296,11 @@ float round(float val) { return fract(val) > 0.5? ceil(val) : floor(val); }
vec2 round(vec2 vec) { return vec2(round(vec.x), round(vec.y)); }
void main() {
float ang = rotation;
vec2 size = dimension + 0.0001;
vec2 px = v_vTexcoord * size / scale;
vec2 px = (v_vTexcoord - .5) * mat2(cos(ang), -sin(ang), sin(ang), cos(ang)) + .5;
px = px * size / scale;
vec2 local = fract(px);
px = ceil(px);