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Diffstat (limited to 'src/imageplugins/border/border.cpp')
| -rw-r--r-- | src/imageplugins/border/border.cpp | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/src/imageplugins/border/border.cpp b/src/imageplugins/border/border.cpp new file mode 100644 index 00000000..00726f58 --- /dev/null +++ b/src/imageplugins/border/border.cpp @@ -0,0 +1,393 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-05-25 + * Description : border threaded image filter. + * + * Copyright 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com> + * Copyright 2006-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de> + * + * This program is free software; you can redistribute it + * and/or modify it under the terms of the GNU General + * Public License as published by the Free Software Foundation; + * either version 2, 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 General Public License for more details. + * + * ============================================================ */ + +// C++ includes. + +#include <cmath> +#include <cstdlib> + +// TQt includes. + +#include <tqpoint.h> +#include <tqregion.h> +#include <tqpointarray.h> + +// Local includes. + +#include "dimg.h" +#include "ddebug.h" +#include "border.h" + +namespace DigikamBorderImagesPlugin +{ + +Border::Border(Digikam::DImg *image, TQObject *parent, int orgWidth, int orgHeight, + TQString borderPath, int borderType, float borderPercent, + Digikam::DColor solidColor, + Digikam::DColor niepceBorderColor, + Digikam::DColor niepceLineColor, + Digikam::DColor bevelUpperLeftColor, + Digikam::DColor bevelLowerRightColor, + Digikam::DColor decorativeFirstColor, + Digikam::DColor decorativeSecondColor) + : Digikam::DImgThreadedFilter(image, parent, "Border") +{ + m_orgWidth = orgWidth; + m_orgHeight = orgHeight; + m_orgRatio = (float)m_orgWidth / (float)m_orgHeight; + m_borderType = borderType; + m_borderPath = borderPath; + int size = (image->width() > image->height()) ? image->height() : image->width(); + m_borderMainWidth = (int)(size * borderPercent); + m_border2ndWidth = (int)(size * 0.005); + + // Clamp internal border with to 1 pixel to be visible with small image. + if (m_border2ndWidth < 1) m_border2ndWidth = 1; + + m_solidColor = solidColor; + m_niepceBorderColor = niepceBorderColor; + m_niepceLineColor = niepceLineColor; + m_bevelUpperLeftColor = bevelUpperLeftColor; + m_bevelLowerRightColor = bevelLowerRightColor; + m_decorativeFirstColor = decorativeFirstColor; + m_decorativeSecondColor = decorativeSecondColor; + + m_preserveAspectRatio = true; + + initFilter(); +} + +Border::Border(Digikam::DImg *orgImage, TQObject *parent, int orgWidth, int orgHeight, + TQString borderPath, int borderType, + int borderWidth1, int borderWidth2, int borderWidth3, int borderWidth4, + Digikam::DColor solidColor, + Digikam::DColor niepceBorderColor, + Digikam::DColor niepceLineColor, + Digikam::DColor bevelUpperLeftColor, + Digikam::DColor bevelLowerRightColor, + Digikam::DColor decorativeFirstColor, + Digikam::DColor decorativeSecondColor) + : Digikam::DImgThreadedFilter(orgImage, parent, "Border") +{ + m_orgWidth = orgWidth; + m_orgHeight = orgHeight; + + m_borderType = borderType; + m_borderWidth1 = borderWidth1; + m_borderWidth2 = borderWidth2; + m_borderWidth3 = borderWidth3; + m_borderWidth4 = borderWidth4; + + m_solidColor = solidColor; + m_niepceBorderColor = niepceBorderColor; + m_niepceLineColor = niepceLineColor; + m_bevelUpperLeftColor = bevelUpperLeftColor; + m_bevelLowerRightColor = bevelLowerRightColor; + m_decorativeFirstColor = decorativeFirstColor; + m_decorativeSecondColor = decorativeSecondColor; + + m_borderPath = borderPath; + + m_preserveAspectRatio = false; + + initFilter(); +} + +void Border::filterImage(void) +{ + switch (m_borderType) + { + case SolidBorder: + if (m_preserveAspectRatio) + solid(m_orgImage, m_destImage, m_solidColor, m_borderMainWidth); + else + solid2(m_orgImage, m_destImage, m_solidColor, m_borderWidth1); + break; + + case NiepceBorder: + if (m_preserveAspectRatio) + niepce(m_orgImage, m_destImage, m_niepceBorderColor, m_borderMainWidth, + m_niepceLineColor, m_border2ndWidth); + else + niepce2(m_orgImage, m_destImage, m_niepceBorderColor, m_borderWidth1, + m_niepceLineColor, m_borderWidth4); + break; + + case BeveledBorder: + if (m_preserveAspectRatio) + bevel(m_orgImage, m_destImage, m_bevelUpperLeftColor, + m_bevelLowerRightColor, m_borderMainWidth); + else + bevel2(m_orgImage, m_destImage, m_bevelUpperLeftColor, + m_bevelLowerRightColor, m_borderWidth1); + break; + + case PineBorder: + case WoodBorder: + case PaperBorder: + case ParqueBorder: + case IceBorder: + case LeafBorder: + case MarbleBorder: + case RainBorder: + case CratersBorder: + case DriedBorder: + case PinkBorder: + case StoneBorder: + case ChalkBorder: + case GraniteBorder: + case RockBorder: + case WallBorder: + if (m_preserveAspectRatio) + pattern(m_orgImage, m_destImage, m_borderMainWidth, + m_decorativeFirstColor, m_decorativeSecondColor, + m_border2ndWidth, m_border2ndWidth); + else + pattern2(m_orgImage, m_destImage, m_borderWidth1, + m_decorativeFirstColor, m_decorativeSecondColor, + m_borderWidth2, m_borderWidth2); + break; + } +} + +// -- Methods to preserve aspect ratio of image ------------------------------------------ + +void Border::solid(Digikam::DImg &src, Digikam::DImg &dest, const Digikam::DColor &fg, int borderWidth) +{ + if (m_orgWidth > m_orgHeight) + { + int height = src.height() + borderWidth*2; + dest = Digikam::DImg((int)(height*m_orgRatio), height, src.sixteenBit(), src.hasAlpha()); + dest.fill(fg); + dest.bitBltImage(&src, (dest.width()-src.width())/2, borderWidth); + } + else + { + int width = src.width() + borderWidth*2; + dest = Digikam::DImg(width, (int)(width/m_orgRatio), src.sixteenBit(), src.hasAlpha()); + dest.fill(fg); + dest.bitBltImage(&src, borderWidth, (dest.height()-src.height())/2); + } +} + +void Border::niepce(Digikam::DImg &src, Digikam::DImg &dest, const Digikam::DColor &fg, + int borderWidth, const Digikam::DColor &bg, int lineWidth) +{ + Digikam::DImg tmp; + solid(src, tmp, bg, lineWidth); + solid(tmp, dest, fg, borderWidth); +} + +void Border::bevel(Digikam::DImg &src, Digikam::DImg &dest, const Digikam::DColor &topColor, + const Digikam::DColor &btmColor, int borderWidth) +{ + int width, height; + + if (m_orgWidth > m_orgHeight) + { + height = src.height() + borderWidth*2; + width = (int)(height*m_orgRatio); + } + else + { + width = src.width() + borderWidth*2; + height = (int)(width/m_orgRatio); + } + + dest = Digikam::DImg(width, height, src.sixteenBit(), src.hasAlpha()); + dest.fill(topColor); + + TQPointArray btTriangle(3); + btTriangle.setPoint(0, width, 0); + btTriangle.setPoint(1, 0, height); + btTriangle.setPoint(2, width, height); + TQRegion btRegion(btTriangle); + + for(int x=0 ; x < width ; x++) + { + for(int y=0 ; y < height ; y++) + { + if (btRegion.contains(TQPoint(x, y))) + dest.setPixelColor(x, y, btmColor); + } + } + + if (m_orgWidth > m_orgHeight) + { + dest.bitBltImage(&src, (dest.width()-src.width())/2, borderWidth); + } + else + { + dest.bitBltImage(&src, borderWidth, (dest.height()-src.height())/2); + } +} + +void Border::pattern(Digikam::DImg &src, Digikam::DImg &dest, int borderWidth, + const Digikam::DColor &firstColor, const Digikam::DColor &secondColor, + int firstWidth, int secondWidth) +{ + // Original image with the first solid border around. + Digikam::DImg tmp; + solid(src, tmp, firstColor, firstWidth); + + // Border tiled image using pattern with second solid border around. + int width, height; + + if (m_orgWidth > m_orgHeight) + { + height = tmp.height() + borderWidth*2; + width = (int)(height*m_orgRatio); + } + else + { + width = tmp.width() + borderWidth*2; + height = (int)(width/m_orgRatio); + } + + Digikam::DImg tmp2(width, height, tmp.sixteenBit(), tmp.hasAlpha()); + DDebug() << "Border File:" << m_borderPath << endl; + Digikam::DImg border(m_borderPath); + if ( border.isNull() ) + return; + + border.convertToDepthOfImage(&tmp2); + + for (int x = 0 ; x < width ; x+=border.width()) + for (int y = 0 ; y < height ; y+=border.height()) + tmp2.bitBltImage(&border, x, y); + + solid(tmp2, dest, secondColor, secondWidth); + + // Merge both images to one. + if (m_orgWidth > m_orgHeight) + { + dest.bitBltImage(&tmp, (dest.width()-tmp.width())/2, borderWidth); + } + else + { + dest.bitBltImage(&tmp, borderWidth, (dest.height()-tmp.height())/2); + } +} + +// -- Methods to not-preserve aspect ratio of image ------------------------------------------ + + +void Border::solid2(Digikam::DImg &src, Digikam::DImg &dest, const Digikam::DColor &fg, int borderWidth) +{ + dest = Digikam::DImg(src.width() + borderWidth*2, src.height() + borderWidth*2, + src.sixteenBit(), src.hasAlpha()); + dest.fill(fg); + dest.bitBltImage(&src, borderWidth, borderWidth); +} + +void Border::niepce2(Digikam::DImg &src, Digikam::DImg &dest, const Digikam::DColor &fg, int borderWidth, + const Digikam::DColor &bg, int lineWidth) +{ + Digikam::DImg tmp; + solid2(src, tmp, bg, lineWidth); + solid2(tmp, dest, fg, borderWidth); +} + +void Border::bevel2(Digikam::DImg &src, Digikam::DImg &dest, const Digikam::DColor &topColor, + const Digikam::DColor &btmColor, int borderWidth) +{ + int x, y; + int wc; + + dest = Digikam::DImg(src.width() + borderWidth*2, + src.height() + borderWidth*2, + src.sixteenBit(), src.hasAlpha()); + + // top + + for(y=0, wc = (int)dest.width()-1; y < borderWidth; ++y, --wc) + { + for(x=0; x < wc; ++x) + dest.setPixelColor(x, y, topColor); + + for(;x < (int)dest.width(); ++x) + dest.setPixelColor(x, y, btmColor); + } + + // left and right + + for(; y < (int)dest.height()-borderWidth; ++y) + { + for(x=0; x < borderWidth; ++x) + dest.setPixelColor(x, y, topColor); + + for(x = (int)dest.width()-1; x > (int)dest.width()-borderWidth-1; --x) + dest.setPixelColor(x, y, btmColor); + } + + // bottom + + for(wc = borderWidth; y < (int)dest.height(); ++y, --wc) + { + for(x=0; x < wc; ++x) + dest.setPixelColor(x, y, topColor); + + for(; x < (int)dest.width(); ++x) + dest.setPixelColor(x, y, btmColor); + } + + dest.bitBltImage(&src, borderWidth, borderWidth); +} + +void Border::pattern2(Digikam::DImg &src, Digikam::DImg &dest, int borderWidth, + const Digikam::DColor &firstColor, const Digikam::DColor &secondColor, + int firstWidth, int secondWidth) +{ + // Border tile. + + int w = m_orgWidth + borderWidth*2; + int h = m_orgHeight + borderWidth*2; + + DDebug() << "Border File:" << m_borderPath << endl; + Digikam::DImg border(m_borderPath); + if ( border.isNull() ) + return; + + Digikam::DImg borderImg(w, h, src.sixteenBit(), src.hasAlpha()); + border.convertToDepthOfImage(&borderImg); + + for (int x = 0 ; x < w ; x+=border.width()) + for (int y = 0 ; y < h ; y+=border.height()) + borderImg.bitBltImage(&border, x, y); + + // First line around the pattern tile. + Digikam::DImg tmp = borderImg.smoothScale(src.width() + borderWidth*2, + src.height() + borderWidth*2 ); + + solid2(tmp, dest, firstColor, firstWidth); + + // Second line around original image. + tmp.reset(); + solid2(src, tmp, secondColor, secondWidth); + + // Copy original image. + dest.bitBltImage(&tmp, borderWidth, borderWidth); +} + +} // NameSpace DigikamBorderImagesPlugin |