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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/util/paper.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/paper.cpp')
-rw-r--r-- | src/util/paper.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/util/paper.cpp b/src/util/paper.cpp new file mode 100644 index 0000000..3a3efe2 --- /dev/null +++ b/src/util/paper.cpp @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Inkscape PaperSize + * + * Authors: + * Bob Jamison (2006) + * Martin Owens (2021) + * + * Copyright (C) 2021 AUTHORS + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <glibmm/i18n.h> + +#include "paper.h" +#include "pages-skeleton.h" + +#include "io/resource.h" + +namespace Inkscape { + +/** + * Returns a list of page sizes. + */ +const std::vector<PaperSize>& PaperSize::getPageSizes() +{ + // Static makes us only load pages once. + static std::vector<PaperSize> ret; + if (!ret.empty()) + return ret; + + char *path = Inkscape::IO::Resource::profile_path("pages.csv"); + if (!g_file_test(path, G_FILE_TEST_EXISTS)) { + if (!g_file_set_contents(path, pages_skeleton, -1, nullptr)) { + g_warning("%s", _("Failed to create the page file.")); + } + } + gchar *content = nullptr; + if (g_file_get_contents(path, &content, nullptr, nullptr)) { + gchar **lines = g_strsplit_set(content, "\n", 0); + + for (int i = 0; lines && lines[i]; ++i) { + gchar **line = g_strsplit_set(lines[i], ",", 5); + if (!line[0] || !line[1] || !line[2] || !line[3] || line[0][0]=='#') + continue; + + //name, width, height, unit + double width = g_ascii_strtod(line[1], nullptr); + double height = g_ascii_strtod(line[2], nullptr); + g_strstrip(line[0]); + g_strstrip(line[3]); + Glib::ustring name = line[0]; + ret.push_back(PaperSize(name, width, height, Inkscape::Util::unit_table.getUnit(line[3]))); + } + g_strfreev(lines); + g_free(content); + } + g_free(path); + return ret; +} + + +PaperSize::PaperSize() + : name("") + , width(0.0) + , height(0.0) +{ + unit = Inkscape::Util::unit_table.getUnit("px"); +} + + +PaperSize::PaperSize(std::string name, double width, double height, Inkscape::Util::Unit const *unit) + : name(std::move(name)) + , width(width) + , height(height) + , unit(unit) +{} + +std::string PaperSize::getDescription(bool landscape) const { + return toDescription(name, size[landscape], size[!landscape], unit); +} + +std::string PaperSize::toDescription(std::string name, double x, double y, Inkscape::Util::Unit const *unit) +{ + return name + " (" + formatNumber(x) + " x " + formatNumber(y) + " " + unit->abbr + ")"; +} + +std::string PaperSize::formatNumber(double val) +{ + char buf[20]; + snprintf(buf, 19, "%0.1f", val); + auto ret = std::string(buf); + // C++ doesn't provide a good number formatting control, so hack off trailing zeros. + if ((ret.length() > 2) && (ret.back() == '0')) { + ret = ret.substr(0, ret.length() - 2); + } + return ret; +} + +void PaperSize::assign(const PaperSize &other) +{ + name = other.name; + width = other.width; + height = other.height; + auto [smaller, larger] = std::minmax(width, height); + size = Geom::Point(smaller, larger); + unit = other.unit; +} + +/** + * Returns a matching paper size, if possible. + */ +const PaperSize *PaperSize::findPaperSize(double width, double height, Inkscape::Util::Unit const *unit) +{ + auto [smaller, larger] = std::minmax(width, height); + auto size = Geom::Point(smaller, larger); + auto px = Inkscape::Util::unit_table.getUnit("px"); + + for (auto&& page_size : Inkscape::PaperSize::getPageSizes()) { + auto cmp = Geom::Point( + unit->convert(size[0], page_size.unit), + unit->convert(size[1], page_size.unit) + ); + // We want a half a pixel tollerance to catch floating point errors + auto tollerance = px->convert(0.5, page_size.unit); + if (Geom::are_near(page_size.size, cmp, tollerance)) { + return &page_size; + } + } + return nullptr; +} + +} // namespace Inkscape + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |