From c4edc9359dd6cfb0836d0d370fe008f308bc0156 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@herge.(none)>
Date: Wed, 24 Apr 2013 16:50:02 +0100
Subject: uuencode functionality in place

---
 rotord/Pixels.cpp | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 rotord/Pixels.cpp

(limited to 'rotord/Pixels.cpp')

diff --git a/rotord/Pixels.cpp b/rotord/Pixels.cpp
new file mode 100644
index 0000000..eef86c9
--- /dev/null
+++ b/rotord/Pixels.cpp
@@ -0,0 +1,87 @@
+#include "Pixels.h"
+
+Pixels::~Pixels(){
+	clear();
+}
+void Pixels::allocate(int w, int h, int _channels){
+	if (w < 0 || h < 0) {
+		return;
+	}
+
+	//we check if we are already allocated at the right size
+	if(bAllocated && w == width && h == height && channels ==_channels){
+		return; //we don't need to allocate
+	}
+
+	//we do need to allocate, clear the data
+	clear();
+
+	channels = _channels;
+	width= w;
+	height = h;
+
+	pixels = new uint8_t[w * h * channels];
+	bAllocated = true;
+	pixelsOwner = true;
+}
+void Pixels::clear(){
+	if(pixels){
+		if(pixelsOwner) delete[] pixels;
+		pixels = nullptr;
+	}
+
+	width			= 0;
+	height			= 0;
+	channels		= 0;
+	bAllocated		= false;
+}
+bool Pixels::isAllocated() const{
+	return bAllocated;
+}
+
+void Pixels::setFromExternalPixels(uint8_t * newPixels,int w, int h, int _channels){
+	clear();
+	channels = _channels;
+	width= w;
+	height = h;
+
+	pixels = newPixels;
+	pixelsOwner = false;
+	bAllocated = true;
+}
+
+uint8_t * Pixels::getPixels(){
+	return &pixels[0];
+}
+
+int Pixels::getWidth() const{
+	return width;
+}
+
+int Pixels::getHeight() const{
+	return height;
+}
+
+int Pixels::getBytesPerPixel() const{
+	return channels;
+}
+
+int Pixels::getNumChannels() const{
+	return channels;
+}
+
+void Pixels::swap(Pixels & pix){
+	std::swap(pixels,pix.pixels);
+	std::swap(width, pix.width);
+	std::swap(height,pix.height);
+	std::swap(channels,pix.channels);
+	std::swap(pixelsOwner, pix.pixelsOwner);
+	std::swap(bAllocated, pix.bAllocated);
+}
+
+void Pixels::set(uint8_t val){
+	int size = width * height * channels;
+	for(int i = 0; i < size; i++){
+		pixels[i] = val;
+	}
+}
\ No newline at end of file
-- 
cgit v1.2.3