63 lines
No EOL
2 KiB
C++
63 lines
No EOL
2 KiB
C++
/*
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Crafter®.Graphics
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Copyright (C) 2025 Catcrafts®
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Catcrafts.net
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3.0 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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module;
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#include "../lib/stb_image.h"
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module Crafter.Graphics:Image_impl;
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import :Image;
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import std;
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using namespace Crafter;
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Image::Image(const std::string_view path) {
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std::filesystem::path abs = std::filesystem::absolute(path);
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int xSize;
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int ySize;
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unsigned char* bgData = stbi_load(abs.string().c_str(), &xSize, &ySize, nullptr, 4);
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buffer.resize(xSize*ySize);
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width = xSize;
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height = ySize;
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opaque = OpaqueType::FullyOpaque;
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for(std::uint_fast32_t x = 0; x < xSize; x++) {
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for(std::uint_fast32_t y = 0; y < ySize; y++) {
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std::uint_fast32_t idx = (x*ySize+y)*4;
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buffer[x*ySize+y].r = bgData[idx];
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buffer[x*ySize+y].g = bgData[idx+1];
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buffer[x*ySize+y].b = bgData[idx+2];
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buffer[x*ySize+y].a = bgData[idx+3];
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}
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}
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for(std::uint_fast32_t i = 0; i < xSize*ySize; i++) {
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if(buffer[i].a != 255) {
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opaque = OpaqueType::SemiOpaque;
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for(std::uint_fast32_t i2 = 0; i2 < xSize*ySize; i2++) {
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if(buffer[i2].a != 0 && buffer[i2].a != 255) {
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opaque = OpaqueType::Transparent;
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return;
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}
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}
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return;
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}
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}
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} |