fixed some bugs

First a compilation error due to recent refactoring, also address erroneous
handling of PROGMEM memory.

Author: michaelkamprath

src/LEDImage.h

@@ -84,11 +84,11 @@ template <class PixelType>
 const PixelType LEDImageBase<PixelType>::pixel( int row, int column ) const {
 	if (this->isProgMem()) {
 		switch (sizeof(PixelType)) {
-			case 16:
+			case 4:
 				return (PixelType)pgm_read_word_near( this->data() + row*this->columns() + column );
 				break;
 			default:
-			case 8:
+			case 2:
 				return (PixelType)pgm_read_byte_near( this->data() + row*this->columns() + column );
 				break;
 		}
@@ -143,7 +143,7 @@ LEDImage<PixelType>::LEDImage(const LEDImageBase<PixelType>& other)
 	_data( other.isProgMem() ? 
 				other.data() :
 				(PixelType*)memcpy(
-					new RGBColorType[(other.rows()*other.columns())],
+					new PixelType[(other.rows()*other.columns())],
 					other.data(),
 					(other.rows()*other.columns())*sizeof(PixelType)
 				)),

src/RGBAnimation.h

@@ -118,7 +118,7 @@ class GlyphSequenceAnimation : public RGBAnimationBase {
 class ImageSequenceAnimation : public RGBAnimationBase {
 public:
 	struct Frame {
-		const RGBImageBase* image;
+		const LEDImageBase<RGBColorType>* image;
 		int row;
 		int column;
 		unsigned long interval;