From 86decdafd51edb8987e262ebf6bf8a49f38bc593 Mon Sep 17 00:00:00 2001
From: Angelo Papenhoff <angelo.papenhoff@gmail.com>
Date: Thu, 25 Dec 2014 16:02:57 +0100
Subject: [PATCH] Implemented basic Image.

---
 Makefile        |  2 +-
 src/image.cpp   | 69 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/rwobjects.h | 17 ++++++++++++
 3 files changed, 87 insertions(+), 1 deletion(-)
 create mode 100644 src/image.cpp

diff --git a/Makefile b/Makefile
index 603f2a1..4d4f4cf 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ BUILDDIR=build-$(BUILD)
 SRCDIR=src
 SRC := $(patsubst %.cpp,$(SRCDIR)/%.cpp, rwbase.cpp clump.cpp\
                                          geometry.cpp plugins.cpp ps2.cpp\
-                                         ogl.cpp)
+                                         ogl.cpp image.cpp)
 OBJ := $(patsubst $(SRCDIR)/%.cpp,$(BUILDDIR)/%.o,$(SRC))
 DEP := $(patsubst $(SRCDIR)/%.cpp,$(BUILDDIR)/%.d,$(SRC))
 CFLAGS=-Wall -Wextra -g $(BUILDDEF) #-Wno-parentheses #-Wconversion
diff --git a/src/image.cpp b/src/image.cpp
new file mode 100644
index 0000000..3f6a94b
--- /dev/null
+++ b/src/image.cpp
@@ -0,0 +1,69 @@
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <cassert>
+
+#include <iostream>
+#include <fstream>
+
+#include "rwbase.h"
+#include "rwplugin.h"
+#include "rwobjects.h"
+
+namespace Rw {
+
+Image::Image(int32 width, int32 height, int32 depth)
+{
+	this->flags = 0;
+	this->width = width;
+	this->height = height;
+	this->depth = depth;
+	this->stride = 0;
+	this->pixels = NULL;
+	this->palette = NULL;
+}
+
+Image::~Image(void)
+{
+	this->free();
+}
+
+void
+Image::allocate(void)
+{
+	if(this->pixels == NULL){
+		this->pixels = new uint8[this->width*this->height*
+					 (this->depth==4) ? 1 : this->depth/8];
+		this->flags |= 1;
+	}
+	if(this->palette == NULL){
+		if(this->depth == 4 || this->depth == 8)
+			this->palette = new uint8[this->depth == 4 ? 16 : 256];
+		this->flags |= 2;
+	}
+}
+
+void
+Image::free(void)
+{
+	if(this->flags&1)
+		delete[] this->pixels;
+	if(this->flags&2)
+		delete[] this->palette;
+}
+
+void
+Image::setPixels(uint8 *pixels)
+{
+	this->pixels = pixels;
+	this->flags |= 1;
+}
+
+void
+Image::setPalette(uint8 *palette)
+{
+	this->palette = palette;
+	this->flags |= 2;
+}
+
+}
diff --git a/src/rwobjects.h b/src/rwobjects.h
index 065216b..7e7caa7 100644
--- a/src/rwobjects.h
+++ b/src/rwobjects.h
@@ -8,6 +8,23 @@ struct Object
 	void *parent;
 };
 
+struct Image
+{
+	int32 flags;
+	int32 width, height;
+	int32 depth;
+	int32 stride;
+	uint8 *pixels;
+	uint8 *palette;
+
+	Image(int32 width, int32 height, int32 depth);
+	~Image(void);
+	void allocate(void);
+	void free(void);
+	void setPixels(uint8 *pixels);
+	void setPalette(uint8 *palette);
+};
+
 // TODO: raster, link into texdict
 struct Texture : PluginBase<Texture>
 {