LNXSDK/leenkx/Sources/leenkx/logicnode/DrawTextAreaStringNode.hx
2025-01-22 16:18:30 +01:00

144 lines
3.1 KiB
Haxe

package leenkx.logicnode;
import kha.Font;
import kha.Color;
import leenkx.renderpath.RenderToTexture;
import kha.graphics2.VerTextAlignment;
import kha.graphics2.HorTextAlignment;
#if lnx_ui
import leenkx.ui.Canvas;
using zui.GraphicsExtension;
#end
class DrawTextAreaStringNode extends LogicNode {
var font: Font;
var lastFontName = "";
public var property0: String;
public var property1: String;
public var property2: String;
var index: Int;
var max: Int;
var ar_lines: Array<String>;
public function new(tree: LogicTree) {
super(tree);
}
override function run(from: Int) {
#if lnx_ui
RenderToTexture.ensure2DContext("DrawTextAreaStringNode");
var string:String = Std.string(inputs[1].get());
var length:Int = inputs[3].get();
var angle: Float = inputs[10].get();
var horA = TextLeft;
var verA = TextTop;
var fontName = inputs[2].get();
if (fontName == "") {
#if lnx_ui
fontName = Canvas.defaultFontName;
#else
return; // No default font is exported, there is nothing we can do here
#end
}
if (fontName != lastFontName) {
// Load new font
lastFontName = fontName;
iron.data.Data.getFont(fontName, (f: Font) -> {
font = f;
});
}
if (font == null) {
runOutput(0);
return;
}
var len = string.length;
ar_lines = [];
var ar_words = string.split(' ');
if(property0 == 'Lines')
max = Std.int(len/length);
else max = length;
while(ar_words.length > 0){
var str_line = '';
while(str_line.length <= max && ar_words.length > 0){
str_line +=' '+ar_words.shift();
}
ar_lines.push(str_line);
}
var spacing = inputs[4].get();
final colorVec = inputs[6].get();
final colorVecB = inputs[7].get();
RenderToTexture.g.fontSize = inputs[5].get();
RenderToTexture.g.font = font;
index = 0;
var height = RenderToTexture.g.font.height(RenderToTexture.g.fontSize);
var yoffset = 0.0;
switch(property2){
case 'TextTop': verA = TextTop;
case 'TextMiddle': { verA = TextMiddle; yoffset = -height * 0.5; }
case 'TextBottom': { verA = TextBottom; yoffset = -height; }
}
for (line in ar_lines){
var width = RenderToTexture.g.font.width(RenderToTexture.g.fontSize, line);
var xoffset = 0.0;
switch(property1){
case 'TextLeft': horA = TextLeft;
case 'TextCenter': {horA = TextCenter; xoffset = -width * 0.5; }
case 'TextRight': {horA = TextRight; xoffset = -width; }
}
RenderToTexture.g.rotate(angle, inputs[8].get(), inputs[9].get()+(ar_lines.length-1)/2*height*spacing);
RenderToTexture.g.color = Color.fromFloats(colorVecB.x, colorVecB.y, colorVecB.z, colorVecB.w);
RenderToTexture.g.fillRect(inputs[8].get()+xoffset, inputs[9].get()+yoffset+index*height*spacing, width, height);
RenderToTexture.g.color = Color.fromFloats(colorVec.x, colorVec.y, colorVec.z, colorVec.w);
RenderToTexture.g.drawAlignedString(line, inputs[8].get(), inputs[9].get()+index*height*spacing, horA, verA);
++index;
RenderToTexture.g.rotate(-angle, inputs[8].get(), inputs[9].get()+(ar_lines.length-1)/2*height*spacing);
}
#end
runOutput(0);
}
override function get(from: Int): Dynamic {
return ar_lines.length;
}
}