LAB: Constify some parameters

1 files changed, 6 insertions, 9 deletions

diff --git a/engines/lab/dispman.cpp b/engines/lab/dispman.cpp
index 9dbaf8d374..d493e935c5 100644
--- a/engines/lab/dispman.cpp
+++ b/engines/lab/dispman.cpp
@@ -69,7 +69,6 @@ DisplayMan::~DisplayMan() {
 	delete[] _displayBuffer;
 }
 
-// From readPict.c.  Reads in pictures and animations from disk.
 void DisplayMan::loadPict(const Common::String filename) {
 	freePict();
 	_curBitmap = _vm->_resource->openDataFile(filename);
@@ -89,11 +88,9 @@ void DisplayMan::loadBackPict(const Common::String fileName, uint16 *highPal) {
 	_vm->_anim->_noPalChange = false;
 }
 
-void DisplayMan::readPict(Common::String filename, bool playOnce, bool onlyDiffData, byte *memoryBuffer, uint16 maxHeight) {
+void DisplayMan::readPict(const Common::String filename, bool playOnce, bool onlyDiffData, byte *memoryBuffer, uint16 maxHeight) {
 	_vm->_anim->stopDiff();
-
 	loadPict(filename);
-
 	_vm->_music->updateMusic();
 
 	if (!_vm->_music->_loopSoundEffect)
@@ -544,7 +541,7 @@ void DisplayMan::closeFont(TextFont **font) {
 	}
 }
 
-uint16 DisplayMan::textLength(TextFont *font, Common::String text) {
+uint16 DisplayMan::textLength(TextFont *font, const Common::String text) {
 	uint16 length = 0;
 
 	if (font) {
@@ -561,7 +558,7 @@ uint16 DisplayMan::textHeight(TextFont *tf) {
 	return (tf) ? tf->_height : 0;
 }
 
-void DisplayMan::drawText(TextFont *tf, uint16 x, uint16 y, uint16 color, Common::String text) {
+void DisplayMan::drawText(TextFont *tf, uint16 x, uint16 y, uint16 color, const Common::String text) {
 	byte *vgaTop = getCurrentDrawingBuffer();
 	int numChars = text.size();
 
@@ -730,7 +727,7 @@ void DisplayMan::copyPage(uint16 width, uint16 height, uint16 nheight, uint16 st
 	}
 }
 
-void DisplayMan::doScrollWipe(Common::String filename) {
+void DisplayMan::doScrollWipe(const Common::String filename) {
 	_vm->_event->mouseHide();
 	uint16 width = _vm->_utils->vgaScaleX(320);
 	uint16 height = _vm->_utils->vgaScaleY(149) + _vm->_utils->svgaCord(2);
@@ -824,7 +821,7 @@ void DisplayMan::doScrollBounce() {
 	_vm->_event->mouseShow();
 }
 
-void DisplayMan::doTransWipe(CloseDataPtr *closePtrList, Common::String filename) {
+void DisplayMan::doTransWipe(CloseDataPtr *closePtrList, const Common::String filename) {
 	uint16 lastY, linesLast;
 
 	if (_vm->_isHiRes) {
@@ -911,7 +908,7 @@ void DisplayMan::doTransWipe(CloseDataPtr *closePtrList, Common::String filename
 	delete[] bitMapBuffer;
 }
 
-void DisplayMan::doTransition(TransitionType transitionType, CloseDataPtr *closePtrList, Common::String filename) {
+void DisplayMan::doTransition(TransitionType transitionType, CloseDataPtr *closePtrList, const Common::String filename) {
 	switch (transitionType) {
 	case kTransitionWipe:
 	case kTransitionTransporter: