further improvement on tga import

QtMeshViewer/Header/tga.h

@@ -61,20 +61,17 @@ QImage loadTga(QString filePath, bool &success)
 
 			for (unsigned int y = 0; y < ui32Height; y++)
 			{
-				//QRgb* imgLine = (QRgb*)img.scanLine(y);
+				QRgb* imgLine = reinterpret_cast<QRgb*>(img.scanLine(ui32Height - y - 1));
 				for (unsigned int x = 0; x < ui32Width; x++)
 				{
-					int valr = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 2);
+					int valr = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8);
 					int valg = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 1);
-					int valb = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8);
+					int valb = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 2);
 					int vala = 255;
 					if (ui32BpP == 32)
 						vala = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 3);
 
-					QColor value(valr, valg, valb, vala);
-
-					//imgLine[x] = value.rgba();
-					img.setPixel(x, ui32Width - 1 - y, value.rgba());
+					imgLine[x] = QColor(valr, valg, valb, vala).rgba();
 				}
 			}
 		}