Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/Fl_Tiled_Image.cxx b/common/fltk/src/Fl_Tiled_Image.cxx
new file mode 100644
index 0000000..1857480
--- /dev/null
+++ b/common/fltk/src/Fl_Tiled_Image.cxx
@@ -0,0 +1,135 @@
+//
+// "$Id: Fl_Tiled_Image.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// Tiled image code for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2010 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+
+#include <FL/Fl.H>
+#include <FL/Fl_Tiled_Image.H>
+#include <FL/fl_draw.H>
+
+/**
+ The constructors create a new tiled image containing the specified image.
+ Use a width and height of 0 to tile the whole window/widget.
+*/
+Fl_Tiled_Image::Fl_Tiled_Image(Fl_Image *i, // I - Image to tile
+ int W, // I - Width of tiled area
+ int H) : // I - Height of tiled area
+ Fl_Image(W,H,0) {
+ image_ = i;
+ alloc_image_ = 0;
+
+ if (W == 0) w(Fl::w());
+ if (H == 0) h(Fl::h());
+}
+/**
+ The destructor frees all memory and server resources that are used by
+ the tiled image.
+*/
+ Fl_Tiled_Image::~Fl_Tiled_Image() {
+ if (alloc_image_) delete image_;
+}
+
+
+//
+// 'Fl_Tiled_Image::copy()' - Copy and resize a tiled image...
+//
+
+Fl_Image * // O - New image
+Fl_Tiled_Image::copy(int W, // I - New width
+ int H) { // I - New height
+ if (W == w() && H == h()) return this;
+ else return new Fl_Tiled_Image(image_, W, H);
+}
+
+
+//
+// 'Fl_Tiled_Image::color_average()' - Blend colors...
+//
+
+void
+Fl_Tiled_Image::color_average(Fl_Color c, // I - Color to blend with
+ float i) { // I - Blend fraction
+ if (!alloc_image_) {
+ image_ = image_->copy();
+ alloc_image_ = 1;
+ }
+
+ image_->color_average(c, i);
+}
+
+
+//
+// 'Fl_Tiled_Image::desaturate()' - Convert the image to grayscale...
+//
+
+void
+Fl_Tiled_Image::desaturate() {
+ if (!alloc_image_) {
+ image_ = image_->copy();
+ alloc_image_ = 1;
+ }
+
+ image_->desaturate();
+}
+
+
+//
+// 'Fl_Tiled_Image::draw()' - Draw a shared image...
+//
+
+void
+Fl_Tiled_Image::draw(int X, // I - Starting X position
+ int Y, // I - Starting Y position
+ int W, // I - Width of area to be filled
+ int H, // I - Height of area to be filled
+ int cx, // I - "Source" X position
+ int cy) { // I - "Source" Y position
+ if (!image_->w() || !image_->h()) return;
+ if (W == 0) W = Fl::w();
+ if (H == 0) H = Fl::h();
+
+ fl_push_clip(X, Y, W, H);
+
+ X += cx;
+ Y += cy;
+
+ X = X - (X % image_->w());
+ Y = Y - (Y % image_->h());
+
+ W += X;
+ H += Y;
+
+ for (int yy = Y; yy < H; yy += image_->h())
+ for (int xx = X; xx < W; xx += image_->w())
+ image_->draw(xx, yy);
+
+ fl_pop_clip();
+}
+
+
+//
+// End of "$Id: Fl_Tiled_Image.cxx 7903 2010-11-28 21:06:39Z matt $".
+//