src/graphics/Bitmap.cpp

@@ -52,6 +52,11 @@ bool Bitmap<T>::setPixels(const std::vector<T>& pixels) {
     return true;
 }
 
+template <class T>
+std::vector<T> Bitmap<T>::getPixelsCpy() {
+    return mPixels;
+}
+
 template <class T>
 std::optional<std::vector<T>> Bitmap<T>::getLine(uint16_t line) {
     if (line >= mHeight) {

src/graphics/Bitmap.hpp

@@ -22,6 +22,7 @@
 #include <stdint.h>
 
 #include <cstdint>
+#include <memory>
 #include <optional>
 #include <vector>
 
@@ -41,6 +42,7 @@ class Bitmap {
     uint16_t getWidth();
     uint16_t getHeight();
     bool setPixels(const std::vector<T>& pixels);
+    std::vector<T> getPixelsCpy();
     std::optional<std::vector<T>> getLine(uint16_t line);
     std::optional<std::vector<T>> getCol(uint16_t col);
 

tests/bitmap_test/bitmap_test.cpp

@@ -21,7 +21,9 @@
 
 #include <gtest/gtest.h>
 
+#include <cstdint>
 #include <optional>
+#include <vector>
 
 TEST(basic_test, Bitmap_createBitmapWithCertainSize_yieldsSpecifiedSize) {
     auto bm     = ptprnt::graphics::Bitmap<ptprnt::graphics::ALPHA8>(16, 8);
@@ -64,3 +66,36 @@ TEST(basic_test, Bitmap_getBitmapColInsideOfImage_yieldsValidColSize) {
     auto colSize = col->size();
     ASSERT_EQ(8, colSize);
 }
+
+TEST(basic_test, Bitmap_setPixels_setsGivenPixels) {
+    auto bm = ptprnt::graphics::Bitmap<ptprnt::graphics::ALPHA8>(16, 8);
+    std::vector<uint8_t> pix(16 * 8);
+
+    bm.setPixels(pix);
+    auto pixCpy = bm.getPixelsCpy();
+
+    ASSERT_EQ(pix, pixCpy);
+}
+
+TEST(basic_test, Bitmap_setPixels_isSuccessfulWithValidPixels) {
+    auto bm = ptprnt::graphics::Bitmap<ptprnt::graphics::ALPHA8>(16, 8);
+    std::vector<uint8_t> pix(16 * 8);
+
+    ASSERT_TRUE(bm.setPixels(pix));
+}
+
+TEST(basic_test, Bitmap_setPixels_yieldsSamePixelsBack) {
+    auto bm = ptprnt::graphics::Bitmap<ptprnt::graphics::ALPHA8>(16, 8);
+    std::vector<uint8_t> pix(16 * 8);
+
+    bm.setPixels(pix);
+    auto pixCpy = bm.getPixelsCpy();
+    ASSERT_EQ(pix, pixCpy);
+}
+
+TEST(basic_test, Bitmap_setPixelsWithWrongSize_isFailing) {
+    auto bm = ptprnt::graphics::Bitmap<ptprnt::graphics::ALPHA8>(5, 8);
+    std::vector<uint8_t> pix(16 * 8);
+
+    ASSERT_FALSE(bm.setPixels(pix));
+}