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author | Andrei Karas <akaras@inbox.ru> | 2014-02-17 22:16:29 +0300 |
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committer | Andrei Karas <akaras@inbox.ru> | 2014-02-17 22:26:48 +0300 |
commit | 1d71d02a40dc1f4c50572bf0681bbc2907a3c361 (patch) | |
tree | 6924bf72d1f5427b1071fdd477b599909e045e32 /src/gui/base/sdl/sdlpixel.hpp | |
parent | a520c88cabf03973ddf27435eb5a970f9c214d30 (diff) | |
download | mv-1d71d02a40dc1f4c50572bf0681bbc2907a3c361.tar.gz mv-1d71d02a40dc1f4c50572bf0681bbc2907a3c361.tar.bz2 mv-1d71d02a40dc1f4c50572bf0681bbc2907a3c361.tar.xz mv-1d71d02a40dc1f4c50572bf0681bbc2907a3c361.zip |
move sdlpixel file into utils directory.
Diffstat (limited to 'src/gui/base/sdl/sdlpixel.hpp')
-rw-r--r-- | src/gui/base/sdl/sdlpixel.hpp | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/gui/base/sdl/sdlpixel.hpp b/src/gui/base/sdl/sdlpixel.hpp deleted file mode 100644 index 06a22f65f..000000000 --- a/src/gui/base/sdl/sdlpixel.hpp +++ /dev/null @@ -1,306 +0,0 @@ -/* - * The ManaPlus Client - * Copyright (C) 2011-2014 The ManaPlus Developers - * - * This file is part of The ManaPlus Client. - * - * 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 - * 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 <http://www.gnu.org/licenses/>. - */ - -/* _______ __ __ __ ______ __ __ _______ __ __ - * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ - * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / - * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / - * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / - * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / - * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ - * - * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson - * - * - * Per Larsson a.k.a finalman - * Olof Naessén a.k.a jansem/yakslem - * - * Visit: http://guichan.sourceforge.net - * - * License: (BSD) - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name of Guichan nor the names of its contributors may - * be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef GCN_SDLPIXEL_HPP -#define GCN_SDLPIXEL_HPP - -#include "SDL.h" -#include "gui/base/color.hpp" - -namespace gcn -{ - - /** - * Checks a pixels color of an SDL_Surface. - * - * @param surface an SDL_Surface where to check for a pixel color. - * @param x the x coordinate on the surface. - * @param y the y coordinate on the surface. - * @return a color of a pixel. - */ - inline const Color SDLgetPixel(SDL_Surface* surface, int x, int y) - { - if (!surface) - return Color(0, 0, 0, 0); - - int bpp = surface->format->BytesPerPixel; - - SDL_LockSurface(surface); - - Uint8 *p = static_cast<uint8_t*>(surface->pixels) - + y * surface->pitch + x * bpp; - - unsigned int color = 0; - - switch (bpp) - { - case 1: - color = *p; - break; - - case 2: - color = *reinterpret_cast<Uint16*>(p); - break; - - case 3: -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - color = p[0] << 16 | p[1] << 8 | p[2]; -#else - color = p[0] | p[1] << 8 | p[2] << 16; -#endif - break; - - case 4: - color = *reinterpret_cast<Uint32*>(p); - break; - - default: - color = *p; - break; - } - - unsigned char r, g, b, a; - - SDL_GetRGBA(color, surface->format, &r, &g, &b, &a); - SDL_UnlockSurface(surface); - - return Color(r, g, b, a); - } - - /** - * Puts a pixel on an SDL_Surface. - * - * @param x the x coordinate on the surface. - * @param y the y coordinate on the surface. - * @param color the color the pixel should be in. - */ - inline void SDLputPixel(SDL_Surface* surface, int x, int y, - const Color& color) - { - if (!surface) - return; - - int bpp = surface->format->BytesPerPixel; - - SDL_LockSurface(surface); - - Uint8 *p = static_cast<uint8_t*>(surface->pixels) - + y * surface->pitch + x * bpp; - - Uint32 pixel = SDL_MapRGB(surface->format, - static_cast<uint8_t>(color.r), static_cast<uint8_t>(color.g), - static_cast<uint8_t>(color.b)); - - switch (bpp) - { - case 1: - *p = static_cast<uint8_t>(pixel); - break; - - case 2: - *reinterpret_cast<uint16_t*>(p) = static_cast<uint16_t>(pixel); - break; - - case 3: -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - p[0] = static_cast<uint8_t>((pixel >> 16) & 0xff); - p[1] = static_cast<uint8_t>((pixel >> 8) & 0xff); - p[2] = static_cast<uint8_t>((pixel) & 0xff); -#else - p[0] = static_cast<uint8_t>((pixel) & 0xff); - p[1] = static_cast<uint8_t>((pixel >> 8) & 0xff); - p[2] = static_cast<uint8_t>((pixel >> 16) & 0xff); -#endif - break; - - case 4: - *reinterpret_cast<Uint32*>(p) = pixel; - break; - - default: - break; - } - - SDL_UnlockSurface(surface); - } - - /** - * Blends two 32 bit colors together. - * - * @param src the source color. - * @param dst the destination color. - * @param a alpha. - */ - inline unsigned int SDLAlpha32(unsigned int src, unsigned int dst, - unsigned char a) - { - unsigned int b = ((src & 0xff) * a + (dst & 0xff) * (255 - a)) >> 8; - unsigned int g = ((src & 0xff00) * a + (dst & 0xff00) - * (255 - a)) >> 8; - unsigned int r = ((src & 0xff0000) * a + (dst & 0xff0000) - * (255 - a)) >> 8; - - return (b & 0xff) | (g & 0xff00) | (r & 0xff0000); - } - - /** - * Blends two 16 bit colors together. - * - * @param src the source color. - * @param dst the destination color. - * @param a alpha. - */ - inline unsigned short SDLAlpha16(unsigned short src, unsigned short dst, - unsigned char a, const SDL_PixelFormat *f) - { - unsigned int b = ((src & f->Rmask) * a + (dst & f->Rmask) - * (255 - a)) >> 8; - unsigned int g = ((src & f->Gmask) * a + (dst & f->Gmask) - * (255 - a)) >> 8; - unsigned int r = ((src & f->Bmask) * a + (dst & f->Bmask) - * (255 - a)) >> 8; - - return static_cast<unsigned short>((b & f->Rmask) - | (g & f->Gmask) | (r & f->Bmask)); - } - - /* - typedef struct{ - SDL_Palette *palette; - Uint8 BitsPerPixel; - Uint8 BytesPerPixel; - Uint32 Rmask, Gmask, Bmask, Amask; - Uint8 Rshift, Gshift, Bshift, Ashift; - Uint8 Rloss, Gloss, Bloss, Aloss; - Uint32 colorkey; - Uint8 alpha; - } SDL_PixelFormat; - */ - - /** - * Puts a pixel on an SDL_Surface with alpha - * - * @param x the x coordinate on the surface. - * @param y the y coordinate on the surface. - * @param color the color the pixel should be in. - */ - inline void SDLputPixelAlpha(SDL_Surface* surface, int x, int y, - const Color& color) - { - int bpp = surface->format->BytesPerPixel; - - SDL_LockSurface(surface); - - Uint8 *p = static_cast<uint8_t*>(surface->pixels) - + y * surface->pitch + x * bpp; - - Uint32 pixel = SDL_MapRGB(surface->format, - static_cast<uint8_t>(color.r), - static_cast<uint8_t>(color.g), - static_cast<uint8_t>(color.b)); - - switch (bpp) - { - case 1: - *p = static_cast<uint8_t>(pixel); - break; - - case 2: - *reinterpret_cast<Uint16*>(p) = SDLAlpha16( - static_cast<unsigned short>(pixel), - *reinterpret_cast<unsigned short*>(p), - static_cast<unsigned char>(color.a), surface->format); - break; - - case 3: -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - p[2] = static_cast<uint8_t>((p[2] * (255 - color.a) - + color.b * color.a) >> 8); - p[1] = static_cast<uint8_t>((p[1] * (255 - color.a) - + color.g * color.a) >> 8); - p[0] = static_cast<uint8_t>((p[0] * (255 - color.a) - + color.r * color.a) >> 8); -#else - p[0] = static_cast<uint8_t>((p[0] * (255 - color.a) - + color.b * color.a) >> 8); - p[1] = static_cast<uint8_t>((p[1] * (255 - color.a) - + color.g * color.a) >> 8); - p[2] = static_cast<uint8_t>((p[2] * (255 - color.a) - + color.r * color.a) >> 8); -#endif - break; - - case 4: - *reinterpret_cast<Uint32*>(p) = SDLAlpha32(pixel, - *reinterpret_cast<Uint32*>(p), - static_cast<unsigned char>(color.a)); - break; - default: - break; - } - - SDL_UnlockSurface(surface); - } -} // namespace gcn - -#endif // end GCN_SDLPIXEL_HPP |