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/*
* Copyright © 2015 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3,
* as published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alan Griffiths <alan@octopull.co.uk>
*/
#include "xcursor_loader.h"
#include "mir/graphics/cursor_image.h"
#include <mir_toolkit/cursors.h>
#include <fstream>
using namespace mir::examples;
using namespace mir::geometry;
namespace
{
auto const cursor_names = {
mir_arrow_cursor_name,
mir_busy_cursor_name,
mir_caret_cursor_name,
mir_default_cursor_name,
mir_pointing_hand_cursor_name,
mir_open_hand_cursor_name,
mir_closed_hand_cursor_name,
mir_horizontal_resize_cursor_name,
mir_vertical_resize_cursor_name,
mir_diagonal_resize_bottom_to_top_cursor_name,
mir_diagonal_resize_top_to_bottom_cursor_name,
mir_omnidirectional_resize_cursor_name,
mir_vsplit_resize_cursor_name,
mir_hsplit_resize_cursor_name,
mir_crosshair_cursor_name };
}
int main(int argc, char const* argv[])
try
{
if (argc != 2)
{
puts("Usage mir_cursor_theme_dump <cursor theme>\n");
exit(-1);
}
auto const theme = argv[1];
std::ofstream output(std::string{theme} + "-theme.h");
output << "#include <initializer_list>\n"
"\n"
"namespace\n"
"{\n"
"struct CursorData\n"
"{\n"
" CursorData(char const* name, unsigned int hotspot_x, unsigned int hotspot_y, char const* pixel_data) :\n"
" name(name), hotspot_x(hotspot_x), hotspot_y(hotspot_y), pixel_data(reinterpret_cast<unsigned char const*>(pixel_data)) {}\n"
"\n"
" unsigned int const width{" << mir::input::default_cursor_size.width.as_int() << "};\n"
" unsigned int const height{" << mir::input::default_cursor_size.height.as_int() << "};\n"
" char const* const name;\n"
" unsigned int const hotspot_x;\n"
" unsigned int const hotspot_y;\n"
" unsigned char const* const pixel_data;\n"
"};\n"
"auto const cursor_data = {\n";
auto const buffer_size = 4*mir::input::default_cursor_size.height.as_int()*mir::input::default_cursor_size.height.as_int();
auto const xcursor_loader = std::make_shared<XCursorLoader>(theme);
for (auto cursor : cursor_names)
{
if (auto const image = xcursor_loader->image(cursor, mir::input::default_cursor_size))
{
printf("Have image for %s:%s\n", theme, cursor);
auto const hotspot = image->hotspot();
auto const argb_8888 = static_cast<uint8_t const*>(image->as_argb_8888());
output << "CursorData{\"" << cursor << "\", " << hotspot.dx.as_int() << ", " << hotspot.dy.as_int() << ",\n";
int chars = 0;
output << std::oct << " \"";
for (auto pbyte = argb_8888; pbyte != argb_8888 + buffer_size; ++pbyte)
{
auto step = (*pbyte < 010) ? 2 : (*pbyte < 0100) ? 3 : 4;
if ((chars += step) > 80)
{
output << "\"\n \"";
chars = step;
}
output << '\\' << static_cast<unsigned>(*pbyte);
}
output << "\"\n";
output << "},\n";
}
else
{
printf("** WARNING ** No image for %s:%s\n", theme, cursor);
}
}
output << "};\n";
output << "}\n";
}
catch (std::exception const& error)
{
printf("** ERROR **: %s", error.what());
}
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