Added: New tool textures_tool to produce diffuse, normal, specular, etc... textures from an UV template and seamless textures or colorize a texture with a color

code/nel/tools/3d/CMakeLists.txt

@@ -36,6 +36,7 @@ IF(WITH_NEL_TOOLS)
     build_interface
     get_neighbors
     textures_optimizer
+    textures_tool
     tga_cut
     tga_resize)
 ENDIF()

code/nel/tools/3d/textures_tool/CMakeLists.txt

@@ -0,0 +1,9 @@
+FILE(GLOB SRC *.cpp *.h)
+
+ADD_EXECUTABLE(textures_tool ${SRC})
+
+TARGET_LINK_LIBRARIES(textures_tool nelmisc)
+NL_DEFAULT_PROPS(textures_tool "NeL, Tools, 3D: Textures Tool")
+NL_ADD_RUNTIME_FLAGS(textures_tool)
+
+INSTALL(TARGETS textures_tool RUNTIME DESTINATION ${NL_BIN_PREFIX} COMPONENT tools3d)

code/nel/tools/3d/textures_tool/main.cpp

@@ -0,0 +1,269 @@
+// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+#include "nel/misc/file.h"
+#include "nel/misc/common.h"
+#include "nel/misc/bitmap.h"
+#include "nel/misc/path.h"
+#include "nel/misc/cmd_args.h"
+#include "nel/misc/vector_2d.h"
+
+struct CPoint
+{
+	CPoint(sint _x, sint _y) :x(_x), y(_y)
+	{
+	}
+
+	CPoint operator + (const CPoint &p) const
+	{
+		return CPoint(x + p.x, y + p.y);
+	}
+
+	sint x;
+	sint y;
+};
+
+const CPoint Up(0, -1);
+const CPoint Down(0, 1);
+const CPoint Left(-1, 0);
+const CPoint Right(1, 0);
+
+const NLMISC::CRGBA DiscardColor = NLMISC::CRGBA::Red;
+const NLMISC::CRGBA KeepColor = NLMISC::CRGBA::Blue;
+
+typedef std::vector<CPoint> CPoints;
+
+bool fillPoint(NLMISC::CBitmap &bitmap, sint width, CPoints &points)
+{
+	if (points.empty()) return false;
+
+	// take last point in queue
+	CPoint p(points.back());
+	points.pop_back();
+
+	NLMISC::CRGBA c = bitmap.getPixelColor(p.x, p.y);
+
+	if (c == NLMISC::CRGBA::White)
+	{
+		// white is used for background
+
+		// replace with color we want to discard
+		bitmap.setPixelColor(p.x, p.y, DiscardColor);
+
+		uint w = bitmap.getWidth();
+		uint h = bitmap.getHeight();
+
+		// put adjacent pixels in queue to process later
+		if (p.y > 0) points.push_back(p + Up);
+		if (p.y < h-1) points.push_back(p + Down);
+		if (p.x > 0) points.push_back(p + Left);
+		if (p.x < w-1) points.push_back(p + Right);
+	}
+	else if (c == NLMISC::CRGBA::Black)
+	{
+		// black is used for vertices
+
+		// increase them by border width
+		for (sint y = -width; y <= width; ++y)
+		{
+			for (sint x = -width; x <= width; ++x)
+			{
+				bitmap.setPixelColor(p.x + x, p.y + y, KeepColor);
+			}
+		}
+	}
+
+	return true;
+}
+
+int main(int argc, char **argv)
+{
+	NLMISC::CApplicationContext applicationContext;
+
+	// Parse Command Line.
+	//====================
+	NLMISC::CCmdArgs args;
+
+	args.setDescription("Textures tool");
+	args.addArg("c", "colorize", "color", "Colorize textures using a color (in HTML hexdecimal format like #rrggbb)");
+	args.addArg("f", "fill", "color or image", "Fill background part with color or image");
+	args.addArg("w", "width", "width of border", "Width of the border to fill (default 0)");
+	args.addArg("b", "background", "background color", "Color to use to fill background");
+	args.addArg("o", "output", "filename", "Output filename");
+	args.addAdditionalArg("filename", "File to process", true, true);
+
+	if (!args.parse(argc, argv)) return 1;
+
+	std::string filename = args.getAdditionalArg("filename").front();
+
+	std::string output = args.haveArg("o") ? args.getArg("o").front() : "";
+
+	if (args.haveArg("c"))
+	{
+		// colorize
+		NLMISC::CIFile file;
+
+		NLMISC::CRGBA color;
+		color.fromString(args.getArg("c").front());
+
+		if (file.open(filename))
+		{
+			NLMISC::CBitmap bitmap;
+
+			if (bitmap.load(file))
+			{
+				NLMISC::CObjectVector<uint8> &pixels = bitmap.getPixels();
+
+				NLMISC::CRGBA *pRGBA = (NLMISC::CRGBA*)&pixels[0];
+
+				uint32 size = bitmap.getSize();
+
+				for (uint j = 0; j < size; ++j)
+				{
+					// TODO: find what computation do
+//					*(pRGBA++)-> = color;
+				}
+
+				NLMISC::COFile out;
+
+				if (out.open(output))
+				{
+					bitmap.writePNG(out, 24);
+				}
+			}
+		}
+	}
+
+	if (args.haveArg("f"))
+	{
+		// fill areas in a bitmap with another texture or color
+
+		// for example :
+		// textures_tool -f normal.png -w 2 -b #000000 uvmap.png -o test_normal.png
+		// will use a copy 1024x1024 texture map on a 4096x4096 UV Map preserving the different areas
+
+		std::string foregroundColorOrFilename = args.getArg("f").front();
+
+		NLMISC::CRGBA foregroundColor = NLMISC::CRGBA::Black, backgroundColor = NLMISC::CRGBA::Black;
+
+		NLMISC::CBitmap textureBitmap;
+
+		bool useTexture = false;
+
+		// f parameter is required
+		if (NLMISC::CFile::fileExists(foregroundColorOrFilename))
+		{
+			// load texture
+			NLMISC::CIFile textureFile;
+
+			if (!textureFile.open(foregroundColorOrFilename))
+			{
+				nlwarning("Unable to open %s", foregroundColorOrFilename.c_str());
+				return 1;
+			}
+
+			// decode texture
+			if (!textureBitmap.load(textureFile))
+			{
+				nlwarning("Unable to decode %s", foregroundColorOrFilename.c_str());
+				return 1;
+			}
+
+			useTexture = true;
+		}
+		else
+		{
+			// parse color from argument
+			foregroundColor.fromString(foregroundColorOrFilename);
+		}
+
+		if (args.haveArg("b"))
+		{
+			// parse HTML color from argument
+			backgroundColor.fromString(args.getArg("b").front());
+		}
+
+		sint width = 0;
+
+		if (args.haveArg("w"))
+		{
+			// parse width of borders
+			NLMISC::fromString(args.getArg("w").front(), width);
+		}
+
+		// load bitmap
+		NLMISC::CIFile file;
+
+		if (!file.open(filename))
+		{
+			nlwarning("Unable to open %s", filename.c_str());
+			return 1;
+		}
+
+		// decode bitmap
+		NLMISC::CBitmap inBitmap;
+
+		if (!inBitmap.load(file))
+		{
+			nlwarning("Unable to decode %s", filename.c_str());
+			return 1;
+		}
+
+		CPoints Points;
+
+		// we can't have more than width * height points, so allocate memory for all of them
+		Points.reserve(inBitmap.getWidth() * inBitmap.getHeight());
+
+		// first point to process
+		Points.push_back(CPoint(0, 0));
+
+		// process all points from 0, 0
+		while(fillPoint(inBitmap, width, Points)) { }
+
+		// create a new bitmap for output
+		NLMISC::CBitmap outBitmap;
+		outBitmap.resize(inBitmap.getWidth(), inBitmap.getHeight());
+
+		// copy points colors to new bitmap
+		for (sint y = 0, h = inBitmap.getHeight(); y < h; ++y)
+		{
+			for (sint x = 0, w = inBitmap.getWidth(); x < w; ++x)
+			{
+				if (inBitmap.getPixelColor(x, y) != DiscardColor)
+				{
+					// we copy this point, repeat texture image if using it
+					outBitmap.setPixelColor(x, y, useTexture ? textureBitmap.getPixelColor(x % textureBitmap.getWidth(), y % textureBitmap.getHeight()) : foregroundColor);
+				}
+				else
+				{
+					// put a background color
+					outBitmap.setPixelColor(x, y, backgroundColor);
+				}
+			}
+		}
+
+		// save output bitmap
+		NLMISC::COFile outFile;
+
+		if (outFile.open(output))
+		{
+			outBitmap.writePNG(outFile, 24);
+		}
+	}
+
+	return 0;
+}