Diffstat (limited to 'libopie2/opieui/oimageeffect.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opieui/oimageeffect.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libopie2/opieui/oimageeffect.h b/libopie2/opieui/oimageeffect.h index fb4d22d..4f86d5b 100644 --- a/libopie2/opieui/oimageeffect.h +++ b/libopie2/opieui/oimageeffect.h @@ -1,89 +1,91 @@ //FIXME: Revise for Opie - do we really need such fancy stuff on PDA's? //FIXME: Maybe not on SL5xxx, but surely on C700 :)) //FIXME: I think we don#t need that -zecke /* This file is part of the KDE libraries Copyright (C) 1998, 1999, 2001, 2002 Daniel M. Duley <mosfet@interaccess.com> (C) 1998, 1999 Christian Tibirna <ctibirna@total.net> (C) 1998, 1999 Dirk A. Mueller <mueller@kde.org> Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ // $Id$ #ifndef OIMAGEEFFECT_H #define OIMAGEEFFECT_H class QImage; class QSize; class QColor; +namespace Opie { +namespace Ui { /** * This class includes various @ref QImage based graphical effects. * * Everything is * static, so there is no need to create an instance of this class. You can * just call the static methods. They are encapsulated here merely to provide * a common namespace. */ class OImageEffect { public: enum GradientType { VerticalGradient, HorizontalGradient, DiagonalGradient, CrossDiagonalGradient, PyramidGradient, RectangleGradient, PipeCrossGradient, EllipticGradient }; enum RGBComponent { Red, Green, Blue, Gray, All }; enum Lighting {NorthLite, NWLite, WestLite, SWLite, SouthLite, SELite, EastLite, NELite}; enum ModulationType { Intensity, Saturation, HueShift, Contrast }; enum NoiseType { UniformNoise=0, GaussianNoise, MultiplicativeGaussianNoise, ImpulseNoise, LaplacianNoise, PoissonNoise}; enum RotateDirection{ Rotate90, Rotate180, Rotate270 }; /** * Create a gradient from color a to color b of the specified type. * * @param size The desired size of the gradient. * @param ca Color a * @param cb Color b * @param type The type of gradient. * @param ncols The number of colors to use when not running on a * truecolor display. The gradient will be dithered to this number of * colors. Pass 0 to prevent dithering. */ static QImage gradient(const QSize &size, const QColor &ca, const QColor &cb, GradientType type, int ncols=3); /** * Create an unbalanced gradient. * An unbalanced gradient is a gradient where the transition from * color a to color b is not linear, but in this case, exponential. * @@ -511,49 +513,52 @@ public: double elevation=30.0); /** * Swirls the image by a specified amount * * @author Daniel M. Duley (mosfet) * @param src The QImage to process. * @param degrees The tightness of the swirl. * @param background An RGBA value to use for the background. After the * effect some pixels may be "empty". This value is used for those pixels. * @return The swirled image. The original is not changed. */ static QImage swirl(QImage &src, double degrees=50.0, unsigned int background = 0xFFFFFFFF); /** * Modifies the pixels along a sine wave. * * @author Daniel M. Duley (mosfet) * @param src The QImage to process. * @param amplitude The amplitude of the sine wave. * @param wavelength The frequency of the sine wave. * @return The new image. The original is not changed. */ static QImage wave(QImage &src, double amplitude=25.0, double frequency=150.0, unsigned int background = 0xFFFFFFFF); private: /** * Helper function to fast calc some altered (lighten, shaded) colors * */ static unsigned int lHash(unsigned int c); static unsigned int uHash(unsigned int c); /** * Helper function to find the nearest color to the RBG triplet */ static int nearestColor( int r, int g, int b, const QColor *pal, int size ); static void hull(const int x_offset, const int y_offset, const int polarity, const int width, const int height, unsigned int *f, unsigned int *g); static unsigned int generateNoise(unsigned int pixel, NoiseType type); static unsigned int interpolateColor(QImage *image, double x, double y, unsigned int background); }; +} +} + #endif |