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Diffstat (limited to 'src/Fl_Tiled_Image.cxx')
| -rw-r--r-- | src/Fl_Tiled_Image.cxx | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/Fl_Tiled_Image.cxx b/src/Fl_Tiled_Image.cxx new file mode 100644 index 000000000..fc652ca43 --- /dev/null +++ b/src/Fl_Tiled_Image.cxx @@ -0,0 +1,133 @@ +// +// "$Id: Fl_Tiled_Image.cxx,v 1.1.2.1 2001/11/24 18:07:57 easysw Exp $" +// +// Tiled image code for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2001 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 to "fltk-bugs@fltk.org". +// + +#include <FL/Fl.H> +#include <FL/Fl_Tiled_Image.H> +#include <FL/fl_draw.H> + + +// +// 'Fl_Tiled_Image::Fl_Tiled_Image()' - Constructor. +// +// 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()); +} + + +// +// 'Fl_Tiled_Image::~Fl_Tiled_Image()' - Destructor. +// + +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 + Fl_Image *temp = image_->copy(); + + temp->color_average(c, i); + + image_ = temp; + alloc_image_ = 1; +} + + +// +// 'Fl_Tiled_Image::desaturate()' - Convert the image to grayscale... +// + +void +Fl_Tiled_Image::desaturate() { + Fl_Image *temp = image_->copy(); + + temp->desaturate(); + + image_ = temp; + alloc_image_ = 1; +} + + +// +// '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(); + + 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); +} + + +// +// End of "$Id: Fl_Tiled_Image.cxx,v 1.1.2.1 2001/11/24 18:07:57 easysw Exp $". +// |