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Diffstat (limited to 'plugingui/image.cc')
| -rw-r--r-- | plugingui/image.cc | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/plugingui/image.cc b/plugingui/image.cc deleted file mode 100644 index 118203e..0000000 --- a/plugingui/image.cc +++ /dev/null @@ -1,216 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * image.cc - * - * Sat Mar 16 15:05:09 CET 2013 - * Copyright 2013 Bent Bisballe Nyeng - * deva@aasimon.org - ****************************************************************************/ - -/* - * This file is part of DrumGizmo. - * - * DrumGizmo is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * DrumGizmo 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 Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with DrumGizmo; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#include "image.h" - -#include <cstring> -#include <cstdint> -#include <cstdlib> -#include <cassert> - -#include <hugin.hpp> - -#include "resource.h" -#include "lodepng/lodepng.h" - -namespace GUI -{ - -Image::Image(const char* data, size_t size) -{ - load(data, size); -} - -Image::Image(const std::string& filename) - : filename(filename) -{ - Resource rc(filename); - if(!rc.valid()) - { - setError(); - return; - } - load(rc.data(), rc.size()); -} - -Image::Image(Image&& other) - : _width(other._width) - , _height(other._height) - , image_data(std::move(other.image_data)) - , image_data_raw(std::move(other.image_data_raw)) - , filename(other.filename) -{ - other._width = 0; - other._height = 0; -} - -Image::~Image() -{ -} - -Image& Image::operator=(Image&& other) -{ - image_data.clear(); - image_data = std::move(other.image_data); - image_data_raw.clear(); - image_data_raw = std::move(other.image_data_raw); - _width = other._width; - _height = other._height; - valid = other.valid; - - other._width = 0; - other._height = 0; - other.valid = false; - return *this; -} - -void Image::setError() -{ - valid = false; - Resource rc(":resources/png_error"); - if(!rc.valid()) - { - _width = _height = 0u; - return; - } - - const unsigned char* ptr = (const unsigned char*)rc.data(); - - std::uint32_t iw, ih; - - iw = (uint32_t) ptr[0] | - (uint32_t) ptr[1] << 8 | - (uint32_t) ptr[2] << 16 | - (uint32_t) ptr[3] << 24; - ptr += sizeof(uint32_t); - - ih = (uint32_t) ptr[0] | - (uint32_t) ptr[1] << 8 | - (uint32_t) ptr[2] << 16 | - (uint32_t) ptr[3] << 24; - ptr += sizeof(uint32_t); - - _width = iw; - _height = ih; - - image_data.clear(); - image_data.reserve(_width * _height); - - image_data_raw.clear(); - image_data_raw.reserve(_width * _height * 4); - memcpy(image_data_raw.data(), ptr, _height * _width); - - for(std::size_t y = 0; y < _height; ++y) - { - for(std::size_t x = 0; x < _width; ++x) - { - image_data.emplace_back(Colour{ptr[0] / 255.0f, ptr[1] / 255.0f, - ptr[2] / 255.0f, ptr[3] / 255.0f}); - } - } - - assert(image_data.size() == (_width * _height)); -} - -void Image::load(const char* data, size_t size) -{ - has_alpha = false; - unsigned int iw{0}, ih{0}; - std::uint8_t* char_image_data{nullptr}; - unsigned int res = lodepng_decode32((std::uint8_t**)&char_image_data, - &iw, &ih, - (const std::uint8_t*)data, size); - - if(res != 0) - { - ERR(image, "Error in lodepng_decode32: %d while loading '%s'", - res, filename.c_str()); - setError(); - return; - } - - _width = iw; - _height = ih; - - image_data.clear(); - image_data.reserve(_width * _height); - - image_data_raw.clear(); - image_data_raw.reserve(_width * _height * 4); - memcpy(image_data_raw.data(), char_image_data, _height * _width * 4); - - for(std::size_t y = 0; y < _height; ++y) - { - for(std::size_t x = 0; x < _width; ++x) - { - std::uint8_t* ptr = &char_image_data[(x + y * _width) * 4]; - image_data.emplace_back(Colour{ptr[0], ptr[1], ptr[2], ptr[3]}); - has_alpha |= ptr[3] != 0xff; - } - } - - assert(image_data.size() == (_width * _height)); - - std::free(char_image_data); - valid = true; -} - -size_t Image::width() const -{ - return _width; -} - -size_t Image::height() const -{ - return _height; -} - -const Colour& Image::getPixel(size_t x, size_t y) const -{ - if(x > _width || y > _height) - { - return out_of_range; - } - - return image_data[x + y * _width]; -} - -const std::uint8_t* Image::line(std::size_t y, std::size_t x_offset) const -{ - return image_data_raw.data() + y * _width * 4 + x_offset * 4; -} - -bool Image::hasAlpha() const -{ - return has_alpha; -} - -bool Image::isValid() const -{ - return valid; -} - -} // GUI:: |