diff options
Diffstat (limited to 'tools/dyecmd/src')
-rw-r--r-- | tools/dyecmd/src/dye.cpp | 216 | ||||
-rw-r--r-- | tools/dyecmd/src/dye.h | 96 | ||||
-rw-r--r-- | tools/dyecmd/src/dyecmd.cpp | 123 | ||||
-rw-r--r-- | tools/dyecmd/src/imagewriter.cpp | 115 | ||||
-rw-r--r-- | tools/dyecmd/src/imagewriter.h | 33 |
5 files changed, 583 insertions, 0 deletions
diff --git a/tools/dyecmd/src/dye.cpp b/tools/dyecmd/src/dye.cpp new file mode 100644 index 00000000..73912a96 --- /dev/null +++ b/tools/dyecmd/src/dye.cpp @@ -0,0 +1,216 @@ +/* + * The Mana World + * Copyright 2007 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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 + * any later version. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + */ + +#include <algorithm> +#include <sstream> + +#include "dye.h" + +Palette::Palette(std::string const &description) +{ + int size = description.length(); + if (size == 0) return; + if (description[0] != '#') + { + throw; + } + + int pos = 1; + for (;;) + { + if (pos + 6 > size) break; + int v = 0; + for (int i = 0; i < 6; ++i) + { + char c = description[pos + i]; + int n; + if ('0' <= c && c <= '9') n = c - '0'; + else if ('A' <= c && c <= 'F') n = c - 'A' + 10; + else if ('a' <= c && c <= 'f') n = c - 'a' + 10; + else + throw; + + v = (v << 4) | n; + } + Color c = { { v >> 16, v >> 8, v } }; + mColors.push_back(c); + pos += 6; + if (pos == size) return; + if (description[pos] != ',') break; + ++pos; + } +} + +void Palette::getColor(int intensity, int color[3]) const +{ + if (intensity == 0) + { + color[0] = 0; + color[1] = 0; + color[2] = 0; + return; + } + + int last = mColors.size(); + if (last == 0) return; + + int i = intensity * last / 255; + int t = intensity * last % 255; + + int j = t != 0 ? i : i - 1; + // Get the exact color if any, the next color otherwise. + int r2 = mColors[j].value[0], + g2 = mColors[j].value[1], + b2 = mColors[j].value[2]; + + if (t == 0) + { + // Exact color. + color[0] = r2; + color[1] = g2; + color[2] = b2; + return; + } + + // Get the previous color. First color is implicitly black. + int r1 = 0, g1 = 0, b1 = 0; + if (i > 0) + { + r1 = mColors[i - 1].value[0]; + g1 = mColors[i - 1].value[1]; + b1 = mColors[i - 1].value[2]; + } + + // Perform a linear interpolation. + color[0] = ((255 - t) * r1 + t * r2) / 255; + color[1] = ((255 - t) * g1 + t * g2) / 255; + color[2] = ((255 - t) * b1 + t * b2) / 255; +} + +Dye::Dye(std::string const &description) +{ + for (int i = 0; i < 7; ++i) + mPalettes[i] = 0; + + if (description.empty()) return; + + std::string::size_type next_pos = 0, length = description.length(); + do + { + std::string::size_type pos = next_pos; + next_pos = description.find(';', pos); + if (next_pos == std::string::npos) + next_pos = length; + if (next_pos <= pos + 3 || description[pos + 1] != ':') + { + throw; + } + int i = 0; + switch (description[pos]) + { + case 'R': i = 0; break; + case 'G': i = 1; break; + case 'Y': i = 2; break; + case 'B': i = 3; break; + case 'M': i = 4; break; + case 'C': i = 5; break; + case 'W': i = 6; break; + default: + throw; + } + mPalettes[i] = new Palette(description.substr(pos + 2, next_pos - pos - 2)); + ++next_pos; + } + while (next_pos < length); +} + +Dye::~Dye() +{ + for (int i = 0; i < 7; ++i) + delete mPalettes[i]; +} + +void Dye::update(int color[3]) const +{ + int cmax = std::max(color[0], std::max(color[1], color[2])); + if (cmax == 0) return; + + int cmin = std::min(color[0], std::min(color[1], color[2])); + int intensity = color[0] + color[1] + color[2]; + + if (cmin != cmax && + (cmin != 0 || (intensity != cmax && intensity != 2 * cmax))) + { + // not pure + return; + } + + int i = (color[0] != 0) | ((color[1] != 0) << 1) | ((color[2] != 0) << 2); + + if (mPalettes[i - 1]) + mPalettes[i - 1]->getColor(cmax, color); +} + +void Dye::instantiate(std::string &target, std::string const &palettes) +{ + std::string::size_type next_pos = target.find('|'); + if (next_pos == std::string::npos || palettes.empty()) return; + ++next_pos; + + std::ostringstream s; + s << target.substr(0, next_pos); + std::string::size_type last_pos = target.length(), pal_pos = 0; + do + { + std::string::size_type pos = next_pos; + next_pos = target.find(';', pos); + if (next_pos == std::string::npos) next_pos = last_pos; + if (next_pos == pos + 1 && pal_pos != std::string::npos) + { + std::string::size_type pal_next_pos = palettes.find(';', pal_pos); + s << target[pos] << ':'; + if (pal_next_pos == std::string::npos) + { + s << palettes.substr(pal_pos); + s << target.substr(next_pos); + pal_pos = std::string::npos; + break; + } + s << palettes.substr(pal_pos, pal_next_pos - pal_pos); + pal_pos = pal_next_pos + 1; + } + else if (next_pos > pos + 2) + { + s << target.substr(pos, next_pos - pos); + } + else + { + throw; + } + s << target[next_pos]; + ++next_pos; + } + while (next_pos < last_pos); + + target = s.str(); +} diff --git a/tools/dyecmd/src/dye.h b/tools/dyecmd/src/dye.h new file mode 100644 index 00000000..a11e3365 --- /dev/null +++ b/tools/dyecmd/src/dye.h @@ -0,0 +1,96 @@ +/* + * The Mana World + * Copyright 2007 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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 + * any later version. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + */ + +#ifndef _TMW_DYE_H +#define _TMW_DYE_H + +#include <vector> + +/** + * Class for performing a linear interpolation between colors. + */ +class Palette +{ + public: + + /** + * Creates a palette based on the given string. + * The string is either a file name or a sequence of hexadecimal RGB + * values separated by ',' and starting with '#'. + */ + Palette(std::string const &); + + /** + * Gets a pixel color depending on its intensity. + */ + void getColor(int intensity, int color[3]) const; + + private: + + struct Color { unsigned char value[3]; }; + + std::vector< Color > mColors; +}; + +/** + * Class for dispatching pixel-recoloring amongst several palettes. + */ +class Dye +{ + public: + + /** + * Creates a set of palettes based on the given string. + * + * The parts of string are separated by semi-colons. Each part starts + * by an uppercase letter, followed by a colon and then a palette name. + */ + Dye(std::string const &); + + /** + * Destroys the associated palettes. + */ + ~Dye(); + + /** + * Modifies a pixel color. + */ + void update(int color[3]) const; + + /** + * Fills the blank in a dye placeholder with some palette names. + */ + static void instantiate(std::string &target, + std::string const &palettes); + + private: + + /** + * The order of the palettes, as well as their uppercase letter, is: + * + * Red, Green, Yellow, Blue, Magenta, White (or rather gray). + */ + Palette *mPalettes[7]; +}; + +#endif diff --git a/tools/dyecmd/src/dyecmd.cpp b/tools/dyecmd/src/dyecmd.cpp new file mode 100644 index 00000000..7254e287 --- /dev/null +++ b/tools/dyecmd/src/dyecmd.cpp @@ -0,0 +1,123 @@ +/* + * The Mana World + * Copyright 2008 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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 + * any later version. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + */ + +#include <iostream> +#include <SDL/SDL.h> +#include <SDL/SDL_image.h> + + + +#include "dye.h" +#include "imagewriter.h" + +using namespace std; + +// return values +#define RETURN_OK 1 +#define INVALID_PARAMETER_LIST 100 +#define INVALID_INPUT_IMAGE 101 +#define INVALID_OUTPUT_IMAGE 102 +#define INVALID_DYE_PARAMETER 105 + +SDL_Surface* recolor(SDL_Surface* tmpImage, Dye* dye) +{ + SDL_PixelFormat rgba; + rgba.palette = NULL; + rgba.BitsPerPixel = 32; + rgba.BytesPerPixel = 4; + rgba.Rmask = 0xFF000000; rgba.Rloss = 0; rgba.Rshift = 24; + rgba.Gmask = 0x00FF0000; rgba.Gloss = 0; rgba.Gshift = 16; + rgba.Bmask = 0x0000FF00; rgba.Bloss = 0; rgba.Bshift = 8; + rgba.Amask = 0x000000FF; rgba.Aloss = 0; rgba.Ashift = 0; + rgba.colorkey = 0; + rgba.alpha = 255; + + SDL_Surface *surf = SDL_ConvertSurface(tmpImage, &rgba, SDL_SWSURFACE); + //SDL_FreeSurface(tmpImage); + + Uint32 *pixels = static_cast< Uint32 * >(surf->pixels); + for (Uint32 *p_end = pixels + surf->w * surf->h; pixels != p_end; ++pixels) + { + int alpha = *pixels & 255; + if (!alpha) continue; + int v[3]; + v[0] = (*pixels >> 24) & 255; + v[1] = (*pixels >> 16) & 255; + v[2] = (*pixels >> 8 ) & 255; + dye->update(v); + *pixels = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | alpha; + } + + return surf; +} + +int main(int argc, char* argv[]) +{ + Dye* dye = NULL; + SDL_Surface* source = NULL; + + // not enough or to many parameters + if (argc != 4) + { + cout << INVALID_PARAMETER_LIST << " - INVALID_PARAMETER_LIST"; + exit(INVALID_PARAMETER_LIST); + } + + try + { + dye = new Dye(argv[3]); + } + catch (exception &e) + { + cout << INVALID_DYE_PARAMETER << " - INVALID_DYE_PARAMETER"; + exit(INVALID_DYE_PARAMETER); + } + + try + { + source = IMG_Load(argv[1]); + if (!source) + { + throw; + } + } + catch (exception &e) + { + cout << INVALID_INPUT_IMAGE << " - INVALID_INPUT_IMAGE"; + exit(INVALID_INPUT_IMAGE); + } + + SDL_Surface* target = recolor(source, dye); + + if (!ImageWriter::writePNG(target, argv[2])) + { + cout << INVALID_OUTPUT_IMAGE << " - INVALID_OUTPUT_IMAGE"; + exit(INVALID_OUTPUT_IMAGE); + } + + SDL_FreeSurface(source); + SDL_FreeSurface(target); + delete dye; + + return 0; +} diff --git a/tools/dyecmd/src/imagewriter.cpp b/tools/dyecmd/src/imagewriter.cpp new file mode 100644 index 00000000..36c139b9 --- /dev/null +++ b/tools/dyecmd/src/imagewriter.cpp @@ -0,0 +1,115 @@ +/* + * The Mana World + * Copyright 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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 + * any later version. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + */ + +#include "imagewriter.h" + +#include <png.h> +#include <string> +#include <SDL/SDL.h> + +bool ImageWriter::writePNG(SDL_Surface *surface, + const std::string &filename) +{ + // TODO Maybe someone can make this look nice? + FILE *fp = fopen(filename.c_str(), "wb"); + if (!fp) + { + // todo + // logger->log("could not open file %s for writing", filename.c_str()); + return false; + } + + png_structp png_ptr; + png_infop info_ptr; + png_bytep *row_pointers; + int colortype; + + if (SDL_MUSTLOCK(surface)) { + SDL_LockSurface(surface); + } + + png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0); + if (!png_ptr) + { + // todo + // logger->log("Had trouble creating png_structp"); + return false; + } + + info_ptr = png_create_info_struct(png_ptr); + if (!info_ptr) + { + png_destroy_write_struct(&png_ptr, (png_infopp)NULL); + // todo + // logger->log("Could not create png_info"); + return false; + } + + if (setjmp(png_jmpbuf(png_ptr))) + { + png_destroy_write_struct(&png_ptr, (png_infopp)NULL); + // todo + // logger->log("problem writing to %s", filename.c_str()); + return false; + } + + png_init_io(png_ptr, fp); + + colortype = (surface->format->BitsPerPixel == 24) ? + PNG_COLOR_TYPE_RGB : PNG_COLOR_TYPE_RGB_ALPHA; + + png_set_IHDR(png_ptr, info_ptr, surface->w, surface->h, 8, colortype, + PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); + + png_write_info(png_ptr, info_ptr); + + png_set_packing(png_ptr); + + row_pointers = new png_bytep[surface->h]; + if (!row_pointers) + { + // todo + // logger->log("Had trouble converting surface to row pointers"); + return false; + } + + for (int i = 0; i < surface->h; i++) + { + row_pointers[i] = (png_bytep)(Uint8 *)surface->pixels + i * surface->pitch; + } + + png_write_image(png_ptr, row_pointers); + png_write_end(png_ptr, info_ptr); + + fclose(fp); + + delete [] row_pointers; + + png_destroy_write_struct(&png_ptr, (png_infopp)NULL); + + if (SDL_MUSTLOCK(surface)) { + SDL_UnlockSurface(surface); + } + + return true; +} diff --git a/tools/dyecmd/src/imagewriter.h b/tools/dyecmd/src/imagewriter.h new file mode 100644 index 00000000..205e4584 --- /dev/null +++ b/tools/dyecmd/src/imagewriter.h @@ -0,0 +1,33 @@ +/* + * The Mana World + * Copyright 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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 + * any later version. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + */ + +#include <iosfwd> + +struct SDL_Surface; + +class ImageWriter +{ + public: + static bool writePNG(SDL_Surface *surface, + const std::string &filename); +}; |