diff options
Diffstat (limited to 'modules/bmp/image_loader_bmp.cpp')
| -rw-r--r-- | modules/bmp/image_loader_bmp.cpp | 78 |
1 files changed, 48 insertions, 30 deletions
diff --git a/modules/bmp/image_loader_bmp.cpp b/modules/bmp/image_loader_bmp.cpp index 681b3e74bc..5b451fbf6b 100644 --- a/modules/bmp/image_loader_bmp.cpp +++ b/modules/bmp/image_loader_bmp.cpp @@ -1,32 +1,32 @@ -/*************************************************************************/ -/* image_loader_bmp.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ +/**************************************************************************/ +/* image_loader_bmp.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/**************************************************************************/ #include "image_loader_bmp.h" @@ -58,6 +58,13 @@ Error ImageLoaderBMP::convert_to_image(Ref<Image> p_image, ERR_FAIL_COND_V_MSG(height % 8 != 0, ERR_UNAVAILABLE, vformat("1-bpp BMP images must have a height that is a multiple of 8, but the imported BMP is %d pixels tall.", int(height))); + } else if (bits_per_pixel == 2) { + // Requires bit unpacking... + ERR_FAIL_COND_V_MSG(width % 4 != 0, ERR_UNAVAILABLE, + vformat("2-bpp BMP images must have a width that is a multiple of 4, but the imported BMP is %d pixels wide.", int(width))); + ERR_FAIL_COND_V_MSG(height % 4 != 0, ERR_UNAVAILABLE, + vformat("2-bpp BMP images must have a height that is a multiple of 4, but the imported BMP is %d pixels tall.", int(height))); + } else if (bits_per_pixel == 4) { // Requires bit unpacking... ERR_FAIL_COND_V_MSG(width % 2 != 0, ERR_UNAVAILABLE, @@ -88,7 +95,7 @@ Error ImageLoaderBMP::convert_to_image(Ref<Image> p_image, const uint32_t line_width = (width_bytes + 3) & ~3; // The actual data traversal is determined by - // the data width in case of 8/4/1 bit images + // the data width in case of 8/4/2/1 bit images const uint32_t w = bits_per_pixel >= 24 ? width : width_bytes; const uint8_t *line = p_buffer + (line_width * (height - 1)); const uint8_t *end_buffer = p_buffer + p_header.bmp_file_header.bmp_file_size - p_header.bmp_file_header.bmp_file_offset; @@ -114,6 +121,17 @@ Error ImageLoaderBMP::convert_to_image(Ref<Image> p_image, index += 8; line_ptr += 1; } break; + case 2: { + uint8_t color_index = *line_ptr; + + write_buffer[index + 0] = (color_index >> 6) & 3; + write_buffer[index + 1] = (color_index >> 4) & 3; + write_buffer[index + 2] = (color_index >> 2) & 3; + write_buffer[index + 3] = color_index & 3; + + index += 4; + line_ptr += 1; + } break; case 4: { uint8_t color_index = *line_ptr; |