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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
commit | 8362bf63dea22bbf6736609b0f49c152f975eb63 (patch) | |
tree | 0eea3928e39e50fae91d4e68b21b1e6cbae25604 /krita/core/kis_pattern.cc | |
download | koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip |
Added old abandoned KDE3 version of koffice
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'krita/core/kis_pattern.cc')
-rw-r--r-- | krita/core/kis_pattern.cc | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/krita/core/kis_pattern.cc b/krita/core/kis_pattern.cc new file mode 100644 index 00000000..db6ae0a1 --- /dev/null +++ b/krita/core/kis_pattern.cc @@ -0,0 +1,335 @@ +/* + * kis_pattern.cc - part of Krayon + * + * Copyright (c) 2000 Matthias Elter <elter@kde.org> + * 2001 John Califf + * 2004 Boudewijn Rempt <boud@valdyas.org> + * + * 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 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "kis_pattern.h" + +#include <sys/types.h> +#include <netinet/in.h> + +#include <limits.h> +#include <stdlib.h> + +#include <qpoint.h> +#include <qsize.h> +#include <qimage.h> +#include <qvaluevector.h> +#include <qmap.h> +#include <qfile.h> + +#include <kdebug.h> +#include <klocale.h> + +#include "kis_color.h" +#include "kis_layer.h" +#include "kis_paint_device.h" + +namespace { + struct GimpPatternHeader { + Q_UINT32 header_size; /* header_size = sizeof (PatternHeader) + brush name */ + Q_UINT32 version; /* pattern file version # */ + Q_UINT32 width; /* width of pattern */ + Q_UINT32 height; /* height of pattern */ + Q_UINT32 bytes; /* depth of pattern in bytes : 1, 2, 3 or 4*/ + Q_UINT32 magic_number; /* GIMP brush magic number */ + }; + + // Yes! This is _NOT_ what my pat.txt file says. It's really not 'GIMP', but 'GPAT' + Q_UINT32 const GimpPatternMagic = (('G' << 24) + ('P' << 16) + ('A' << 8) + ('T' << 0)); +} + +KisPattern::KisPattern(const QString& file) : super(file), m_hasFile(true) +{ +} + +KisPattern::KisPattern(KisPaintDevice* image, int x, int y, int w, int h) + : super(""), m_hasFile(false) +{ + // Forcefully convert to RGBA8 + // XXX profile and exposure? + setImage(image->convertToQImage(0, x, y, w, h)); + setName(image->name()); +} + +KisPattern::~KisPattern() +{ +} + +bool KisPattern::load() +{ + if (!m_hasFile) + return true; + + QFile file(filename()); + file.open(IO_ReadOnly); + QByteArray data = file.readAll(); + if (!data.isEmpty()) { + Q_INT32 startPos = m_data.size(); + + m_data.resize(m_data.size() + data.count()); + memcpy(&m_data[startPos], data.data(), data.count()); + } + file.close(); + return init(); +} + +bool KisPattern::save() +{ + QFile file(filename()); + file.open(IO_WriteOnly | IO_Truncate); + + QTextStream stream(&file); + // Header: header_size (24+name length),version,width,height,colourdepth of brush,magic,name + // depth: 1 = greyscale, 2 = greyscale + A, 3 = RGB, 4 = RGBA + // magic = "GPAT", as a single uint32, the docs are wrong here! + // name is UTF-8 (\0-terminated! The docs say nothing about this!) + // _All_ data in network order, it seems! (not mentioned in gimp-2.2.8/devel-docs/pat.txt!!) + // We only save RGBA at the moment + // Version is 1 for now... + + GimpPatternHeader ph; + QCString utf8Name = name().utf8(); + char const* name = utf8Name.data(); + int nameLength = qstrlen(name); + + ph.header_size = htonl(sizeof(GimpPatternHeader) + nameLength + 1); // trailing 0 + ph.version = htonl(1); + ph.width = htonl(width()); + ph.height = htonl(height()); + ph.bytes = htonl(4); + ph.magic_number = htonl(GimpPatternMagic); + + QByteArray bytes; + bytes.setRawData(reinterpret_cast<char*>(&ph), sizeof(GimpPatternHeader)); + int wrote = file.writeBlock(bytes); + bytes.resetRawData(reinterpret_cast<char*>(&ph), sizeof(GimpPatternHeader)); + + if (wrote == -1) + return false; + + wrote = file.writeBlock(name, nameLength + 1); // Trailing 0 apparantly! + if (wrote == -1) + return false; + + int k = 0; + bytes.resize(width() * height() * 4); + for (Q_INT32 y = 0; y < height(); y++) { + for (Q_INT32 x = 0; x < width(); x++) { + // RGBA only + QRgb pixel = m_img.pixel(x,y); + bytes[k++] = static_cast<char>(qRed(pixel)); + bytes[k++] = static_cast<char>(qGreen(pixel)); + bytes[k++] = static_cast<char>(qBlue(pixel)); + bytes[k++] = static_cast<char>(qAlpha(pixel)); + } + } + + wrote = file.writeBlock(bytes); + if (wrote == -1) + return false; + + file.close(); + + return true; +} + +QImage KisPattern::img() +{ + return m_img; +} + +bool KisPattern::init() +{ + // load Gimp patterns + GimpPatternHeader bh; + Q_INT32 k; + QValueVector<char> name; + + if (sizeof(GimpPatternHeader) > m_data.size()) { + return false; + } + + memcpy(&bh, &m_data[0], sizeof(GimpPatternHeader)); + bh.header_size = ntohl(bh.header_size); + bh.version = ntohl(bh.version); + bh.width = ntohl(bh.width); + bh.height = ntohl(bh.height); + bh.bytes = ntohl(bh.bytes); + bh.magic_number = ntohl(bh.magic_number); + + if (bh.header_size > m_data.size() || bh.header_size == 0) { + return false; + } + + name.resize(bh.header_size - sizeof(GimpPatternHeader)); + memcpy(&name[0], &m_data[sizeof(GimpPatternHeader)], name.size()); + + if (name[name.size() - 1]) { + return false; + } + + setName(i18n(&name[0])); + + if (bh.width == 0 || bh.height == 0 || !m_img.create(bh.width, bh.height, 32)) { + return false; + } + + k = bh.header_size; + + if (bh.bytes == 1) { + // Grayscale + Q_INT32 val; + + for (Q_UINT32 y = 0; y < bh.height; y++) { + for (Q_UINT32 x = 0; x < bh.width; x++, k++) { + if (static_cast<Q_UINT32>(k) > m_data.size()) { + kdDebug(DBG_AREA_FILE) << "failed in gray\n"; + return false; + } + + val = m_data[k]; + m_img.setPixel(x, y, qRgb(val, val, val)); + m_img.setAlphaBuffer(false); + } + } + } else if (bh.bytes == 2) { + // Grayscale + A + Q_INT32 val; + Q_INT32 alpha; + for (Q_UINT32 y = 0; y < bh.height; y++) { + for (Q_UINT32 x = 0; x < bh.width; x++, k++) { + if (static_cast<Q_UINT32>(k + 2) > m_data.size()) { + kdDebug(DBG_AREA_FILE) << "failed in grayA\n"; + return false; + } + + val = m_data[k]; + alpha = m_data[k++]; + m_img.setPixel(x, y, qRgba(val, val, val, alpha)); + m_img.setAlphaBuffer(true); + } + } + } else if (bh.bytes == 3) { + // RGB without alpha + for (Q_UINT32 y = 0; y < bh.height; y++) { + for (Q_UINT32 x = 0; x < bh.width; x++) { + if (static_cast<Q_UINT32>(k + 3) > m_data.size()) { + kdDebug(DBG_AREA_FILE) << "failed in RGB\n"; + return false; + } + + m_img.setPixel(x, y, qRgb(m_data[k], + m_data[k + 1], + m_data[k + 2])); + k += 3; + m_img.setAlphaBuffer(false); + } + } + } else if (bh.bytes == 4) { + // Has alpha + for (Q_UINT32 y = 0; y < bh.height; y++) { + for (Q_UINT32 x = 0; x < bh.width; x++) { + if (static_cast<Q_UINT32>(k + 4) > m_data.size()) { + kdDebug(DBG_AREA_FILE) << "failed in RGBA\n"; + return false; + } + + m_img.setPixel(x, y, qRgba(m_data[k], + m_data[k + 1], + m_data[k + 2], + m_data[k + 3])); + k += 4; + m_img.setAlphaBuffer(true); + } + } + } else { + return false; + } + + if (m_img.isNull()) { + return false; + } + + setWidth(m_img.width()); + setHeight(m_img.height()); + + setValid(true); + + return true; +} + +KisPaintDeviceSP KisPattern::image(KisColorSpace * colorSpace) { + // Check if there's already a pattern prepared for this colorspace + QMap<QString, KisPaintDeviceSP>::const_iterator it = m_colorspaces.find(colorSpace->id().id()); + if (it != m_colorspaces.end()) + return (*it); + + // If not, create one + KisPaintDeviceSP layer = new KisPaintDevice(colorSpace, "pattern"); + + Q_CHECK_PTR(layer); + + layer->convertFromQImage(m_img,""); + + m_colorspaces[colorSpace->id().id()] = layer; + return layer; +} + +Q_INT32 KisPattern::width() const +{ + return m_width; +} + +void KisPattern::setWidth(Q_INT32 w) +{ + m_width = w; +} + +Q_INT32 KisPattern::height() const +{ + return m_height; +} + +void KisPattern::setHeight(Q_INT32 h) +{ + m_height = h; +} + +void KisPattern::setImage(const QImage& img) +{ + m_hasFile = false; + m_img = img; + m_img.detach(); + + setWidth(img.width()); + setHeight(img.height()); + + setValid(true); +} + +KisPattern* KisPattern::clone() const +{ + KisPattern* pattern = new KisPattern(""); + pattern->setImage(m_img); + pattern->setName(name()); + return pattern; +} + +#include "kis_pattern.moc" |