Use a single instance of a background simulation for thumbnail rendering

1 files changed, 59 insertions, 0 deletions

diff --git a/src/simulation/SaveRenderer.cpp b/src/simulation/SaveRenderer.cpp
new file mode 100644
index 0000000..7a5f5c2
--- /dev/null
+++ b/src/simulation/SaveRenderer.cpp
@@ -0,0 +1,59 @@
+/*
+ * SaveRenderer.cpp
+ *
+ *  Created on: Apr 3, 2012
+ *      Author: Simon
+ */
+
+#include "SaveRenderer.h"
+#include "Graphics.h"
+#include "Simulation.h"
+#include "Renderer.h"
+#include "SaveLoader.h"
+
+
+SaveRenderer::SaveRenderer(){
+	g = new Graphics();
+	sim = new Simulation();
+	ren = new Renderer(g, sim);
+}
+
+Thumbnail * SaveRenderer::Render(unsigned char * data, int dataLength)
+{
+	Thumbnail * tempThumb = NULL;
+	int width, height;
+	pixel * pData = NULL;
+	pixel * dst;
+	pixel * src = g->vid;
+
+	g->Clear();
+	sim->clear_sim();
+	if(sim->Load(data, dataLength))
+		goto finish;
+
+	if(SaveLoader::Info(data, dataLength, width, height))
+		goto finish;
+
+	ren->render_parts();
+
+	dst = pData = (pixel *)malloc(PIXELSIZE * ((width*CELL)*(height*CELL)));
+
+	for(int i = 0; i < height*CELL; i++)
+	{
+		memcpy(dst, src, (width*CELL)*PIXELSIZE);
+		dst+=(width*CELL);///PIXELSIZE;
+		src+=XRES+BARSIZE;
+	}
+
+	tempThumb = new Thumbnail(0, 0, pData, ui::Point(width*CELL, height*CELL));
+
+finish:
+	if(pData)
+		free(pData);
+	return tempThumb;
+}
+
+SaveRenderer::~SaveRenderer() {
+	// TODO Auto-generated destructor stub
+}
+