Part one - removed references and smart pointers

src/dawn/display/font/FontMeasure.cpp

@@ -1,43 +1,50 @@
-// Copyright (c) 2022 Dominic Masters
-// 
-// This software is released under the MIT License.
-// https://opensource.org/licenses/MIT
-
-#include "FontMeasure.hpp"
-
-using namespace Dawn;
-
-float_t FontMeasure::getWidth() {
-  return this->width;
-}
-
-float_t FontMeasure::getHeight() {
-  return this->height;
-}
-
-int32_t FontMeasure::getQuadCount() {
-  return this->realLength;
-}
-
-float_t FontMeasure::getHeightOfLineCount(int32_t lineCount) {
-  return this->lineHeight * lineCount;
-}
-
-size_t FontMeasure::getLineCount() {
-  return this->lines.size();
-}
-
-int32_t FontMeasure::getQuadsOnLine(int32_t line) {
-  return this->lines[line].length;
-}
-
-int32_t FontMeasure::getQuadIndexOnLine(int32_t line) {
-  return this->lines[line].start;
-}
-
-void FontMeasure::addLine(int32_t start, int32_t len) {
-  struct FontLineMeasure info;
-  info.start = start;
-  info.length = len;
-  this->lines.push_back(info);
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "FontMeasure.hpp"
+
+using namespace Dawn;
+
+float_t FontMeasure::getWidth() {
+  return this->width;
+}
+
+float_t FontMeasure::getHeight() {
+  return this->height;
+}
+
+int32_t FontMeasure::getQuadCount() {
+  return this->realLength;
+}
+
+float_t FontMeasure::getHeightOfLineCount(int32_t lineCount) {
+  assertTrue(lineCount > 0);
+  return this->lineHeight * lineCount;
+}
+
+size_t FontMeasure::getLineCount() {
+  return this->lines.size();
+}
+
+int32_t FontMeasure::getQuadsOnLine(int32_t line) {
+  assertTrue(line >= 0);
+  assertTrue(line < this->lines.size());
+  return this->lines[line].length;
+}
+
+int32_t FontMeasure::getQuadIndexOnLine(int32_t line) {
+  assertTrue(line >= 0);
+  assertTrue(line < this->lines.size());
+  return this->lines[line].start;
+}
+
+void FontMeasure::addLine(int32_t start, int32_t len) {
+  assertTrue(start >= 0);
+  assertTrue(len >= 0);
+  struct FontLineMeasure info;
+  info.start = start;
+  info.length = len;
+  this->lines.push_back(info);
 }