feat(render): halo neon proporcional al bounding_radius de la shape (opt-out a text)
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+138
-123
@@ -4,156 +4,171 @@
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#include "core/graphics/shape.hpp"
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#include <algorithm>
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#include <cmath>
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#include <fstream>
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#include <iostream>
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#include <sstream>
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namespace Graphics {
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Shape::Shape(const std::string& filepath)
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: center_({.x = 0.0F, .y = 0.0F}),
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nom_("unnamed") {
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load(filepath);
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}
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Shape::Shape(const std::string& filepath)
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: center_({.x = 0.0F, .y = 0.0F}),
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auto Shape::load(const std::string& filepath) -> bool {
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// Llegir file
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std::ifstream file(filepath);
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if (!file.is_open()) {
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std::cerr << "[Shape] Error: no es pot obrir " << filepath << '\n';
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return false;
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nom_("unnamed") {
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load(filepath);
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}
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// Llegir todo el contingut
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std::stringstream buffer;
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buffer << file.rdbuf();
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std::string contingut = buffer.str();
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file.close();
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// Parsejar
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return parseFile(contingut);
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}
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auto Shape::parseFile(const std::string& contingut) -> bool {
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std::istringstream iss(contingut);
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std::string line;
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while (std::getline(iss, line)) {
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// Trim whitespace
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line = trim(line);
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// Skip comments and blanks
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if (line.empty() || line[0] == '#') {
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continue;
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auto Shape::load(const std::string& filepath) -> bool {
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// Llegir file
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std::ifstream file(filepath);
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if (!file.is_open()) {
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std::cerr << "[Shape] Error: no es pot obrir " << filepath << '\n';
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return false;
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}
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// Parse command
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if (startsWith(line, "name:")) {
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nom_ = trim(extractValue(line));
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} else if (startsWith(line, "scale:")) {
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try {
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escala_defecte_ = std::stof(extractValue(line));
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} catch (...) {
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std::cerr << "[Shape] Warning: scale invàlida, usant 1.0" << '\n';
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escala_defecte_ = 1.0F;
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// Llegir todo el contingut
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std::stringstream buffer;
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buffer << file.rdbuf();
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std::string contingut = buffer.str();
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file.close();
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// Parsejar
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return parseFile(contingut);
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}
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auto Shape::parseFile(const std::string& contingut) -> bool {
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std::istringstream iss(contingut);
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std::string line;
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while (std::getline(iss, line)) {
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// Trim whitespace
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line = trim(line);
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// Skip comments and blanks
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if (line.empty() || line[0] == '#') {
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continue;
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}
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} else if (startsWith(line, "center:")) {
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parseCenter(extractValue(line));
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} else if (startsWith(line, "polyline:")) {
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auto points = parsePoints(extractValue(line));
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if (points.size() >= 2) {
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primitives_.push_back({PrimitiveType::POLYLINE, points});
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} else {
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std::cerr << "[Shape] Warning: polyline con menys de 2 points ignorada"
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<< '\n';
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// Parse command
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if (startsWith(line, "name:")) {
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nom_ = trim(extractValue(line));
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} else if (startsWith(line, "scale:")) {
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try {
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escala_defecte_ = std::stof(extractValue(line));
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} catch (...) {
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std::cerr << "[Shape] Warning: scale invàlida, usant 1.0" << '\n';
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escala_defecte_ = 1.0F;
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}
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} else if (startsWith(line, "center:")) {
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parseCenter(extractValue(line));
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} else if (startsWith(line, "polyline:")) {
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auto points = parsePoints(extractValue(line));
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if (points.size() >= 2) {
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primitives_.push_back({PrimitiveType::POLYLINE, points});
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} else {
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std::cerr << "[Shape] Warning: polyline con menys de 2 points ignorada"
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<< '\n';
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}
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} else if (startsWith(line, "line:")) {
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auto points = parsePoints(extractValue(line));
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if (points.size() == 2) {
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primitives_.push_back({PrimitiveType::LINE, points});
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} else {
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std::cerr << "[Shape] Warning: line ha de tenir exactament 2 points"
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<< '\n';
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}
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}
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} else if (startsWith(line, "line:")) {
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auto points = parsePoints(extractValue(line));
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if (points.size() == 2) {
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primitives_.push_back({PrimitiveType::LINE, points});
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} else {
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std::cerr << "[Shape] Warning: line ha de tenir exactament 2 points"
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<< '\n';
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// Comandes desconegudes ignorades silenciosament
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}
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if (primitives_.empty()) {
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std::cerr << "[Shape] Error: sin primitiva carregada" << '\n';
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return false;
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}
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bounding_radius_ = computeBoundingRadius(primitives_, center_);
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return true;
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}
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auto Shape::computeBoundingRadius(const std::vector<ShapePrimitive>& primitives,
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const Vec2& center) -> float {
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float max_dist_sq = 0.0F;
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for (const auto& prim : primitives) {
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for (const auto& p : prim.points) {
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const float DX = p.x - center.x;
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const float DY = p.y - center.y;
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max_dist_sq = std::max(max_dist_sq, (DX * DX) + (DY * DY));
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}
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}
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// Comandes desconegudes ignorades silenciosament
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return std::sqrt(max_dist_sq);
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}
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if (primitives_.empty()) {
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std::cerr << "[Shape] Error: sin primitiva carregada" << '\n';
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return false;
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}
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return true;
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}
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// Helper: trim whitespace
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auto Shape::trim(const std::string& str) -> std::string {
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const char* whitespace = " \t\n\r";
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size_t start = str.find_first_not_of(whitespace);
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if (start == std::string::npos) {
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return "";
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}
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size_t end = str.find_last_not_of(whitespace);
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return str.substr(start, end - start + 1);
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}
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// Helper: startsWith
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auto Shape::startsWith(const std::string& str,
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const std::string& prefix) -> bool {
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if (str.length() < prefix.length()) {
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return false;
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}
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return str.starts_with(prefix);
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}
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// Helper: extract value after ':'
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auto Shape::extractValue(const std::string& line) -> std::string {
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size_t colon = line.find(':');
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if (colon == std::string::npos) {
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return "";
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}
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return line.substr(colon + 1);
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}
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// Helper: parse center "x, y"
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void Shape::parseCenter(const std::string& value) {
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std::string val = trim(value);
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size_t comma = val.find(',');
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if (comma != std::string::npos) {
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try {
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center_.x = std::stof(trim(val.substr(0, comma)));
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center_.y = std::stof(trim(val.substr(comma + 1)));
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} catch (...) {
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std::cerr << "[Shape] Warning: centro invàlid, usant (0,0)" << '\n';
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center_ = {.x = 0.0F, .y = 0.0F};
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// Helper: trim whitespace
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auto Shape::trim(const std::string& str) -> std::string {
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const char* whitespace = " \t\n\r";
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size_t start = str.find_first_not_of(whitespace);
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if (start == std::string::npos) {
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return "";
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}
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size_t end = str.find_last_not_of(whitespace);
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return str.substr(start, end - start + 1);
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}
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}
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// Helper: parse points "x1,y1 x2,y2 x3,y3"
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auto Shape::parsePoints(const std::string& str) -> std::vector<Vec2> {
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std::vector<Vec2> points;
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std::istringstream iss(trim(str));
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std::string pair;
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// Helper: startsWith
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auto Shape::startsWith(const std::string& str,
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const std::string& prefix) -> bool {
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if (str.length() < prefix.length()) {
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return false;
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}
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return str.starts_with(prefix);
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}
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while (iss >> pair) { // Whitespace-separated
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size_t comma = pair.find(',');
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// Helper: extract value after ':'
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auto Shape::extractValue(const std::string& line) -> std::string {
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size_t colon = line.find(':');
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if (colon == std::string::npos) {
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return "";
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}
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return line.substr(colon + 1);
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}
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// Helper: parse center "x, y"
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void Shape::parseCenter(const std::string& value) {
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std::string val = trim(value);
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size_t comma = val.find(',');
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if (comma != std::string::npos) {
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try {
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float x = std::stof(pair.substr(0, comma));
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float y = std::stof(pair.substr(comma + 1));
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points.push_back({x, y});
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center_.x = std::stof(trim(val.substr(0, comma)));
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center_.y = std::stof(trim(val.substr(comma + 1)));
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} catch (...) {
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std::cerr << "[Shape] Warning: point invàlid ignorat: " << pair
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<< '\n';
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std::cerr << "[Shape] Warning: centro invàlid, usant (0,0)" << '\n';
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center_ = {.x = 0.0F, .y = 0.0F};
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}
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}
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}
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return points;
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}
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// Helper: parse points "x1,y1 x2,y2 x3,y3"
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auto Shape::parsePoints(const std::string& str) -> std::vector<Vec2> {
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std::vector<Vec2> points;
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std::istringstream iss(trim(str));
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std::string pair;
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while (iss >> pair) { // Whitespace-separated
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size_t comma = pair.find(',');
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if (comma != std::string::npos) {
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try {
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float x = std::stof(pair.substr(0, comma));
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float y = std::stof(pair.substr(comma + 1));
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points.push_back({x, y});
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} catch (...) {
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std::cerr << "[Shape] Warning: point invàlid ignorat: " << pair
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<< '\n';
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}
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}
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}
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return points;
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}
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} // namespace Graphics
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