From: dev Date: Thu, 20 Sep 2012 15:11:34 +0000 (+0900) Subject: 画像の簡易入出力とテストプログラムを追加 X-Git-Url: http://www.fmaj7b5.info/git?p=cuda.git;a=commitdiff_plain;h=8b2c111ed060599c6bc93b48732d36f8aa48eb2b 画像の簡易入出力とテストプログラムを追加 --- diff --git a/cuda.sln b/cuda.sln index 61ac25d..43e6595 100644 --- a/cuda.sln +++ b/cuda.sln @@ -3,6 +3,13 @@ Microsoft Visual Studio Solution File, Format Version 11.00 # Visual C++ Express 2010 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "hello_cuda", "hello_cuda\hello_cuda.vcxproj", "{7D8BDE6F-21B7-4F3F-9AA3-C408D487CB44}" EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libutils", "libutils\libutils.vcxproj", "{4C5C7860-D42E-4598-9742-D5AD444DB16F}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "imageio_test", "imageio_test\imageio_test.vcxproj", "{A82CD404-B1E3-438E-B2C7-62AE49850CAD}" + ProjectSection(ProjectDependencies) = postProject + {4C5C7860-D42E-4598-9742-D5AD444DB16F} = {4C5C7860-D42E-4598-9742-D5AD444DB16F} + EndProjectSection +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|Win32 = Debug|Win32 @@ -13,6 +20,14 @@ Global {7D8BDE6F-21B7-4F3F-9AA3-C408D487CB44}.Debug|Win32.Build.0 = Debug|Win32 {7D8BDE6F-21B7-4F3F-9AA3-C408D487CB44}.Release|Win32.ActiveCfg = Release|Win32 {7D8BDE6F-21B7-4F3F-9AA3-C408D487CB44}.Release|Win32.Build.0 = Release|Win32 + {4C5C7860-D42E-4598-9742-D5AD444DB16F}.Debug|Win32.ActiveCfg = Debug|Win32 + {4C5C7860-D42E-4598-9742-D5AD444DB16F}.Debug|Win32.Build.0 = Debug|Win32 + {4C5C7860-D42E-4598-9742-D5AD444DB16F}.Release|Win32.ActiveCfg = Release|Win32 + {4C5C7860-D42E-4598-9742-D5AD444DB16F}.Release|Win32.Build.0 = Release|Win32 + {A82CD404-B1E3-438E-B2C7-62AE49850CAD}.Debug|Win32.ActiveCfg = Debug|Win32 + {A82CD404-B1E3-438E-B2C7-62AE49850CAD}.Debug|Win32.Build.0 = Debug|Win32 + {A82CD404-B1E3-438E-B2C7-62AE49850CAD}.Release|Win32.ActiveCfg = Release|Win32 + {A82CD404-B1E3-438E-B2C7-62AE49850CAD}.Release|Win32.Build.0 = Release|Win32 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/imageio_test/COPYING.TXT b/imageio_test/COPYING.TXT new file mode 100644 index 0000000..d159169 --- /dev/null +++ b/imageio_test/COPYING.TXT @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Lesser General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. 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If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/imageio_test/imageio_test.cpp b/imageio_test/imageio_test.cpp new file mode 100644 index 0000000..c07c42b --- /dev/null +++ b/imageio_test/imageio_test.cpp @@ -0,0 +1,53 @@ +/* + Copyright (C) 2012 fmaj7b5.info + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 2 of the License, or + (at your option) any later version. + + 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 . +*/ + +// imageio_test.cpp : ƒRƒ“ƒ\[ƒ‹ ƒAƒvƒŠƒP[ƒVƒ‡ƒ“‚̃Gƒ“ƒgƒŠ ƒ|ƒCƒ“ƒg‚ð’è‹`‚µ‚Ü‚·B +// + +#include "stdafx.h" + +#include "Image.h" +#include "ImageIO.h" + +using namespace FM7b5; + +int _tmain(int argc, _TCHAR* argv[]) +{ + ImageGray image; + + try { + image = loadPGM("..\\img\\sine.pgm"); + } + catch (std::exception& e) + { + std::cout << e.what() << std::endl; + return -1; + } + + /* invert pixel values */ + ImageGray out(image.width(), image.height()); + for (size_t h = 0; h < image.height(); ++h) { + for (size_t w = 0; w < image.width(); ++w) { + out(w, h) = 255 - image(w, h); + } + } + + savePNM(out, "result.pgm"); + + return 0; +} + diff --git a/imageio_test/imageio_test.vcxproj b/imageio_test/imageio_test.vcxproj new file mode 100644 index 0000000..e359e7d --- /dev/null +++ b/imageio_test/imageio_test.vcxproj @@ -0,0 +1,98 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + + {A82CD404-B1E3-438E-B2C7-62AE49850CAD} + Win32Proj + imageio_test + + + + Application + true + Unicode + + + Application + false + true + Unicode + + + + + + + + + + + + + true + + + false + + + + Use + Level3 + Disabled + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + ..\libutils + + + Console + true + + + + + Level3 + Use + MaxSpeed + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + + + Console + true + true + true + + + + + + + + + + + + + + Create + Create + + + + + {4c5c7860-d42e-4598-9742-d5ad444db16f} + + + + + + \ No newline at end of file diff --git a/imageio_test/imageio_test.vcxproj.filters b/imageio_test/imageio_test.vcxproj.filters new file mode 100644 index 0000000..cf57c8d --- /dev/null +++ b/imageio_test/imageio_test.vcxproj.filters @@ -0,0 +1,37 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + + + + + ヘッダー ファイル + + + ヘッダー ファイル + + + + + ソース ファイル + + + ソース ファイル + + + \ No newline at end of file diff --git a/imageio_test/stdafx.cpp b/imageio_test/stdafx.cpp new file mode 100644 index 0000000..6d5309b --- /dev/null +++ b/imageio_test/stdafx.cpp @@ -0,0 +1,8 @@ +// stdafx.cpp : •W€ƒCƒ“ƒNƒ‹[ƒh imageio_test.pch ‚Ì‚Ý‚ð +// ŠÜ‚Þƒ\[ƒX ƒtƒ@ƒCƒ‹‚́AƒvƒŠƒRƒ“ƒpƒCƒ‹Ï‚݃wƒbƒ_[‚É‚È‚è‚Ü‚·B +// stdafx.obj ‚ɂ̓vƒŠƒRƒ“ƒpƒCƒ‹Ï‚ÝŒ^î•ñ‚ªŠÜ‚Ü‚ê‚Ü‚·B + +#include "stdafx.h" + +// TODO: ‚±‚̃tƒ@ƒCƒ‹‚Å‚Í‚È‚­ASTDAFX.H ‚Å•K—v‚È +// ’ljÁƒwƒbƒ_[‚ðŽQÆ‚µ‚Ä‚­‚¾‚³‚¢B diff --git a/imageio_test/stdafx.h b/imageio_test/stdafx.h new file mode 100644 index 0000000..a23a072 --- /dev/null +++ b/imageio_test/stdafx.h @@ -0,0 +1,17 @@ +// stdafx.h : •W€‚̃VƒXƒeƒ€ ƒCƒ“ƒNƒ‹[ƒh ƒtƒ@ƒCƒ‹‚̃Cƒ“ƒNƒ‹[ƒh ƒtƒ@ƒCƒ‹A‚Ü‚½‚Í +// ŽQÆ‰ñ”‚ª‘½‚­A‚©‚‚ ‚Ü‚è•ÏX‚³‚ê‚È‚¢AƒvƒƒWƒFƒNƒgê—p‚̃Cƒ“ƒNƒ‹[ƒh ƒtƒ@ƒCƒ‹ +// ‚ð‹Lq‚µ‚Ü‚·B +// + +#pragma once + +#include "targetver.h" + +#include +#include + + + +// TODO: ƒvƒƒOƒ‰ƒ€‚É•K—v‚ȒljÁƒwƒbƒ_[‚ð‚±‚±‚ÅŽQÆ‚µ‚Ä‚­‚¾‚³‚¢B +#include +#include diff --git a/imageio_test/targetver.h b/imageio_test/targetver.h new file mode 100644 index 0000000..10b7ccd --- /dev/null +++ b/imageio_test/targetver.h @@ -0,0 +1,8 @@ +#pragma once + +// SDKDDKVer.h ‚ðƒCƒ“ƒNƒ‹[ƒh‚·‚é‚ƁA—˜—p‚Å‚«‚éÅ‚àãˆÊ‚Ì Windows ƒvƒ‰ƒbƒgƒtƒH[ƒ€‚ª’è‹`‚³‚ê‚Ü‚·B + +// ˆÈ‘O‚Ì Windows ƒvƒ‰ƒbƒgƒtƒH[ƒ€—p‚ɃAƒvƒŠƒP[ƒVƒ‡ƒ“‚ðƒrƒ‹ƒh‚·‚éê‡‚́AWinSDKVer.h ‚ðƒCƒ“ƒNƒ‹[ƒh‚µA +// SDKDDKVer.h ‚ðƒCƒ“ƒNƒ‹[ƒh‚·‚é‘O‚ɁAƒTƒ|[ƒg‘ΏۂƂ·‚éƒvƒ‰ƒbƒgƒtƒH[ƒ€‚ðŽ¦‚·‚悤‚É _WIN32_WINNT ƒ}ƒNƒ‚ðÝ’肵‚Ü‚·B + +#include diff --git a/libutils/COPYING.TXT b/libutils/COPYING.TXT new file mode 100644 index 0000000..d159169 --- /dev/null +++ b/libutils/COPYING.TXT @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Lesser General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. And you must show them these terms so they know their +rights. + + We protect your rights with two steps: (1) copyright the software, and +(2) offer you this license which gives you legal permission to copy, +distribute and/or modify the software. + + Also, for each author's protection and ours, we want to make certain +that everyone understands that there is no warranty for this free +software. If the software is modified by someone else and passed on, we +want its recipients to know that what they have is not the original, so +that any problems introduced by others will not reflect on the original +authors' reputations. + + Finally, any free program is threatened constantly by software +patents. We wish to avoid the danger that redistributors of a free +program will individually obtain patent licenses, in effect making the +program proprietary. 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You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/libutils/Image.h b/libutils/Image.h new file mode 100644 index 0000000..4e60da0 --- /dev/null +++ b/libutils/Image.h @@ -0,0 +1,159 @@ +/* + Copyright (C) 2012 fmaj7b5.info + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 2 of the License, or + (at your option) any later version. + + 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 . +*/ + +#ifndef FM7b5_IMAGE_H +#define FM7b5_IMAGE_H + +#include +#include + +//#include "MDView.h" + +namespace FM7b5 +{ + template + class Image + { + public: + typedef T pixel_type; + typedef Image image_type; + typedef std::uint8_t raw_type; + + Image(); + Image(const size_t width, const size_t height, const size_t stride = 0); + ~Image(); + + T& operator()(const size_t x, const size_t y); + const T& operator()(const size_t x, const size_t y) const; + + size_t width() const; + size_t height() const; + size_t bpp() const; + size_t stride() const; + size_t size() const; + + T* data(); + const T* data() const; + + protected: + size_t m_width; + size_t m_height; + size_t m_byte_per_pixel; + size_t m_stride; + size_t m_size; + std::shared_ptr m_data; + + size_t align_up(const size_t size, const size_t alignment); + }; + + + template + Image::Image() + : m_width(0), m_height(0), + m_byte_per_pixel(sizeof(T)), + m_stride(0), m_size(0), m_data(0) + {} + + template + Image::Image(const size_t width, const size_t height, const size_t stride) + : m_width(width), m_height(height), + m_byte_per_pixel(sizeof(T)), + m_stride(stride == 0 ? sizeof(T) * width : stride), + m_size(m_stride * height) + { + m_data.reset(new raw_type[m_size]); + } + + template + Image::~Image() + {} + + template + T& + Image::operator()(const size_t x, const size_t y) + { + return *(reinterpret_cast(m_data.get() + m_stride * y + m_byte_per_pixel * x)); + } + + template + const T& + Image::operator()(const size_t x, const size_t y) const + { + return *(reinterpret_cast(m_data.get() + m_stride * y + m_byte_per_pixel * x)); + } + + template + size_t + Image::width() const + { + return m_width; + } + + template + size_t + Image::height() const + { + return m_height; + } + + template + size_t + Image::bpp() const + { + return m_byte_per_pixel; + } + + template + size_t + Image::stride() const + { + return m_stride; + } + + template + size_t + Image::size() const + { + return m_size; + } + + template + T* + Image::data() + { + return reinterpret_cast(m_data.get()); + } + + template + const T* + Image::data() const + { + return reinterpret_cast(m_data.get()); + } + + template + size_t + Image::align_up(const size_t size, const size_t alignment) + { + return size + (alignment - (size % alignment)); + } + + /* typedefs for convinience */ + typedef Image ImageGray; +} + +#endif /* FM7b5_IMAGE_H */ \ No newline at end of file diff --git a/libutils/ImageIO.cpp b/libutils/ImageIO.cpp new file mode 100644 index 0000000..309e8ea --- /dev/null +++ b/libutils/ImageIO.cpp @@ -0,0 +1,262 @@ +/* + Copyright (C) 2012 fmaj7b5.info + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 2 of the License, or + (at your option) any later version. + + 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 . +*/ + +#include "stdafx.h" +#include "ImageIO.h" + +using namespace FM7b5; + +struct PbmHeader +{ + char magic[3]; + int width; + int height; + int depth; + + PbmHeader() + : width(0), height(0), depth(0) + { + magic[0] = magic[1] = magic[2] = '\0'; + } +}; + +/* declarations for static functions */ +static bool read_header(FILE* fp, PbmHeader* header); +static bool read_magic(FILE* fp, char magic[3]); +static bool read_digit(FILE* fp, int* val); +static bool read_whitespace(FILE* fp); +static bool skip_comment(FILE* fp); +static bool read_end_of_line(FILE* fp); + + +Image +FM7b5::loadPGM(const std::string& filename) +{ + FILE* fp(nullptr); + + if (fopen_s(&fp, filename.c_str(), "rb") != 0) { + throw std::runtime_error(__FUNCTION__ ": could not open a file."); + } + + try { + PbmHeader header; + read_header(fp, &header); + + printf("--- header ---\n"); + printf("magic: %s\n", header.magic); + printf("size : %dx%d\n", header.width, header.height); + printf("depth: %d\n", header.depth); + + /* check if the color format is supported */ + if (header.magic[1] != '2' && header.magic[1] != '5') { + throw std::runtime_error(__FUNCTION__ ": non support format."); + } + if (header.depth != 255) { + throw std::runtime_error(__FUNCTION__ ": supported depth is 255 only."); + } + + Image img(header.width, header.height); + + switch (header.magic[1]) { + case '2': // Gray ASCII format + for (size_t h = 0; h < img.height(); ++h) { + for (size_t w = 0; w < img.width(); ++w) { + while (read_whitespace(fp)); + + int val; + if (!read_digit(fp, &val)) { + throw std::runtime_error(__FUNCTION__ ": invalid data."); + } + + img(w, h) = static_cast(val); + } + } + break; + + case '5': // Gray binary format + { + const size_t size(header.width * header.height); + size_t ret = fread(img.data(), sizeof(std::uint8_t), size, fp); + if (ret != size) { + throw std::runtime_error(__FUNCTION__ ": insufficient data."); + } + } + break; + + default: + throw std::runtime_error(__FUNCTION__ ": unexpected format was specified."); + } + + printf("successfully read (^^\n"); + + return img; + } + catch (...) + { + fclose(fp); + throw; + } +} + + +bool +read_header(FILE* fp, PbmHeader* header) +{ + if (!read_magic(fp, header->magic) || !read_whitespace(fp)) { + throw std::runtime_error(__FUNCTION__ ": not a netpbm file."); + } + + while (read_whitespace(fp)); // skip comments and white spaces + + if (!read_digit(fp, &header->width) || !read_whitespace(fp)) { + throw std::runtime_error(__FUNCTION__ ": invalid width."); + } + + if (!read_digit(fp, &header->height) || !read_whitespace(fp)) { + throw std::runtime_error(__FUNCTION__ ": invalid height."); + } + + if (!read_digit(fp, &header->depth)) { + throw std::runtime_error(__FUNCTION__ ": invalid depth."); + } + + if (!read_whitespace(fp)) { + throw std::runtime_error(__FUNCTION__ ": just one white space is required right after the depth value."); + } + + return true; +} + +bool +read_magic(FILE* fp, char magic[3]) +{ + size_t pos(0); + + magic[pos++] = fgetc(fp); + if (magic[0] != 'P') { + goto on_error; + } + + magic[pos++] = fgetc(fp); + if (!isdigit(magic[1])) { + goto on_error; + } + magic[2] = '\0'; + + return true; + +on_error: + for (size_t i = 0; i < pos; ++i) { + ungetc(magic[i], fp); + magic[i] = '\0'; + } + return false; +} + +bool +read_digit(FILE* fp, int* val) +{ + static const size_t buf_size(16); + + char buf[buf_size]; + size_t pos(0); + for (pos = 0; pos < buf_size; ++pos) { + buf[pos] = fgetc(fp); + if (!isdigit(buf[pos])) { + break; + } + } + if (pos == 0) { + ungetc(buf[0], fp); + return false; + } + if (pos == buf_size) { // too long digits + for (size_t i = 0; i < buf_size; ++i) { + ungetc(buf[i], fp); + return false; + } + } + + // push back the next char + ungetc(buf[pos], fp); + + // read a number + buf[pos] = '\0'; + *val = atoi(buf); + + return true; +} + +bool +read_whitespace(FILE* fp) +{ + while (skip_comment(fp)); + + char ch = fgetc(fp); + + if (!isspace(ch)) { + ungetc(ch, fp); + return false; + } + + // check CR+LF + if (ch == '\r') { + ch = fgetc(fp); + if (ch != '\n') { + ungetc(ch, fp); + } + } + + return true; +} + +bool +skip_comment(FILE* fp) +{ + char ch = fgetc(fp); + + if (ch != '#') { + ungetc(ch, fp); + return false; + } + + // skip to eol + while (!read_end_of_line(fp)) { + ch = fgetc(fp); + } + + return true; +} + +bool +read_end_of_line(FILE* fp) +{ + char ch = fgetc(fp); + + if (ch == '\r') { + ch = fgetc(fp); + if (ch != '\n') { + ungetc(ch, fp); + } + } + else if (ch != '\n') { // not an end_of_line + ungetc(ch, fp); + return false; + } + + return true; +} \ No newline at end of file diff --git a/libutils/ImageIO.h b/libutils/ImageIO.h new file mode 100644 index 0000000..c859b3d --- /dev/null +++ b/libutils/ImageIO.h @@ -0,0 +1,77 @@ +/* + Copyright (C) 2012 fmaj7b5.info + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 2 of the License, or + (at your option) any later version. + + 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 . +*/ + +#ifndef FM7b5_IMAGE_IO_H +#define FM7b5_IMAGE_IO_H + +#include +#include +#include + +#include "Image.h" + +namespace FM7b5 +{ + Image loadPGM(const std::string& filename); + + template + void savePGM(const Image& image, const std::string& filename); + + + /* implementation */ + template + void savePNM(const Image& image, const std::string& filename) + { + FILE* fp(nullptr); + + if (fopen_s(&fp, filename.c_str(), "wb") != 0) { + throw std::runtime_error(__FUNCTION__ ": could not open a file."); + } + + /* magic */ + switch(image.bpp()) { + case 1: + fprintf(fp, "P5\n"); + break; + + case 3: + fprintf(fp, "P6\n"); + break; + + default: + fclose(fp); + throw std::runtime_error(__FUNCTION__ ": unknown format."); + break; + } + + /* width, height, depth */ + fprintf(fp, "%d %d\n%d\n", image.width(), image.height(), 255); + + /* binary data */ + for (size_t h = 0; h < image.height(); ++h) { + const size_t width(image.width()); + + size_t ret = fwrite(image.data() + image.stride() * h, image.bpp(), width, fp); + if (ret != width) { + fclose(fp); + throw std::runtime_error(__FUNCTION__ ": could not write correctly."); + } + } + } +} + +#endif /* FM7b5_IMAGE_IO_H */ \ No newline at end of file diff --git a/libutils/libutils.vcxproj b/libutils/libutils.vcxproj new file mode 100644 index 0000000..48cd1fb --- /dev/null +++ b/libutils/libutils.vcxproj @@ -0,0 +1,89 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + + {4C5C7860-D42E-4598-9742-D5AD444DB16F} + Win32Proj + libutils + + + + StaticLibrary + true + Unicode + + + StaticLibrary + false + true + Unicode + + + + + + + + + + + + + + + Use + Level3 + Disabled + WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions) + + + Windows + true + + + + + Level3 + Use + MaxSpeed + true + true + WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions) + + + Windows + true + true + true + + + + + + + + + + + + + + + + Create + Create + + + + + + \ No newline at end of file diff --git a/libutils/libutils.vcxproj.filters b/libutils/libutils.vcxproj.filters new file mode 100644 index 0000000..2db704b --- /dev/null +++ b/libutils/libutils.vcxproj.filters @@ -0,0 +1,43 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + + + + + ヘッダー ファイル + + + ヘッダー ファイル + + + ヘッダー ファイル + + + ヘッダー ファイル + + + + + ソース ファイル + + + ソース ファイル + + + \ No newline at end of file diff --git a/libutils/stdafx.cpp b/libutils/stdafx.cpp new file mode 100644 index 0000000..aebab78 --- /dev/null +++ b/libutils/stdafx.cpp @@ -0,0 +1,8 @@ +// stdafx.cpp : •W€ƒCƒ“ƒNƒ‹[ƒh libutils.pch ‚Ì‚Ý‚ð +// ŠÜ‚Þƒ\[ƒX ƒtƒ@ƒCƒ‹‚́AƒvƒŠƒRƒ“ƒpƒCƒ‹Ï‚݃wƒbƒ_[‚É‚È‚è‚Ü‚·B +// stdafx.obj ‚ɂ̓vƒŠƒRƒ“ƒpƒCƒ‹Ï‚ÝŒ^î•ñ‚ªŠÜ‚Ü‚ê‚Ü‚·B + +#include "stdafx.h" + +// TODO: ‚±‚̃tƒ@ƒCƒ‹‚Å‚Í‚È‚­ASTDAFX.H ‚Å•K—v‚È +// ’ljÁƒwƒbƒ_[‚ðŽQÆ‚µ‚Ä‚­‚¾‚³‚¢B diff --git a/libutils/stdafx.h b/libutils/stdafx.h new file mode 100644 index 0000000..d17ffc7 --- /dev/null +++ b/libutils/stdafx.h @@ -0,0 +1,14 @@ +// stdafx.h : •W€‚̃VƒXƒeƒ€ ƒCƒ“ƒNƒ‹[ƒh ƒtƒ@ƒCƒ‹‚̃Cƒ“ƒNƒ‹[ƒh ƒtƒ@ƒCƒ‹A‚Ü‚½‚Í +// ŽQÆ‰ñ”‚ª‘½‚­A‚©‚‚ ‚Ü‚è•ÏX‚³‚ê‚È‚¢AƒvƒƒWƒFƒNƒgê—p‚̃Cƒ“ƒNƒ‹[ƒh ƒtƒ@ƒCƒ‹ +// ‚ð‹Lq‚µ‚Ü‚·B +// + +#pragma once + +#include "targetver.h" + +#define WIN32_LEAN_AND_MEAN // Windows ƒwƒbƒ_[‚©‚çŽg—p‚³‚ê‚Ä‚¢‚È‚¢•”•ª‚ðœŠO‚µ‚Ü‚·B + + + +// TODO: ƒvƒƒOƒ‰ƒ€‚É•K—v‚ȒljÁƒwƒbƒ_[‚ð‚±‚±‚ÅŽQÆ‚µ‚Ä‚­‚¾‚³‚¢B \ No newline at end of file diff --git a/libutils/targetver.h b/libutils/targetver.h new file mode 100644 index 0000000..10b7ccd --- /dev/null +++ b/libutils/targetver.h @@ -0,0 +1,8 @@ +#pragma once + +// SDKDDKVer.h ‚ðƒCƒ“ƒNƒ‹[ƒh‚·‚é‚ƁA—˜—p‚Å‚«‚éÅ‚àãˆÊ‚Ì Windows ƒvƒ‰ƒbƒgƒtƒH[ƒ€‚ª’è‹`‚³‚ê‚Ü‚·B + +// ˆÈ‘O‚Ì Windows ƒvƒ‰ƒbƒgƒtƒH[ƒ€—p‚ɃAƒvƒŠƒP[ƒVƒ‡ƒ“‚ðƒrƒ‹ƒh‚·‚éê‡‚́AWinSDKVer.h ‚ðƒCƒ“ƒNƒ‹[ƒh‚µA +// SDKDDKVer.h ‚ðƒCƒ“ƒNƒ‹[ƒh‚·‚é‘O‚ɁAƒTƒ|[ƒg‘ΏۂƂ·‚éƒvƒ‰ƒbƒgƒtƒH[ƒ€‚ðŽ¦‚·‚悤‚É _WIN32_WINNT ƒ}ƒNƒ‚ðÝ’肵‚Ü‚·B + +#include