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Diffstat (limited to 'src/resources/sdlimagehelper.cpp')
-rw-r--r-- | src/resources/sdlimagehelper.cpp | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/src/resources/sdlimagehelper.cpp b/src/resources/sdlimagehelper.cpp deleted file mode 100644 index d941931e4..000000000 --- a/src/resources/sdlimagehelper.cpp +++ /dev/null @@ -1,339 +0,0 @@ -/* - * The ManaPlus Client - * Copyright (C) 2004-2009 The Mana World Development Team - * Copyright (C) 2009-2010 The Mana Developers - * Copyright (C) 2011-2017 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/>. - */ - -#ifndef USE_SDL2 - -#include "resources/sdlimagehelper.h" - -#include "resources/dye/dye.h" -#include "resources/dye/dyepalette.h" - -#include "resources/image/image.h" - -#include "utils/checkutils.h" -#include "utils/sdlcheckutils.h" - -#include "localconsts.h" - -#if SDL_BYTEORDER == SDL_LIL_ENDIAN -#include "resources/sdlgfxblitfunc.h" -#else // SDL_BYTEORDER == SDL_LIL_ENDIAN -PRAGMA48(GCC diagnostic push) -PRAGMA48(GCC diagnostic ignored "-Wshadow") -#include <SDL_gfxBlitFunc.h> -PRAGMA48(GCC diagnostic pop) -#endif // SDL_BYTEORDER == SDL_LIL_ENDIAN - -#ifndef SDL_BIG_ENDIAN -#error missing SDL_endian.h -#endif // SDL_BYTEORDER - -#include "debug.h" - -bool SDLImageHelper::mEnableAlphaCache = false; - -Image *SDLImageHelper::load(SDL_RWops *const rw, Dye const &dye) -{ - SDL_Surface *const tmpImage = loadPng(rw); - if (tmpImage == nullptr) - { - reportAlways("Error, image load failed: %s", - SDL_GetError()); - return nullptr; - } - - SDL_PixelFormat rgba; - rgba.palette = nullptr; - rgba.BitsPerPixel = 32; - rgba.BytesPerPixel = 4; - rgba.colorkey = 0; - rgba.alpha = 255; - rgba.Rloss = 0; - rgba.Gloss = 0; - rgba.Bloss = 0; - rgba.Aloss = 0; - -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - rgba.Rmask = 0x000000FF; - rgba.Rshift = 24; - rgba.Gmask = 0x0000FF00; - rgba.Gshift = 16; - rgba.Bmask = 0x00FF0000; - rgba.Bshift = 8; - rgba.Amask = 0xFF000000; - rgba.Ashift = 0; -#else // SDL_BYTEORDER == SDL_BIG_ENDIAN - - rgba.Rmask = 0xFF000000; - rgba.Rshift = 0; - rgba.Gmask = 0x00FF0000; - rgba.Gshift = 8; - rgba.Bmask = 0x0000FF00; - rgba.Bshift = 16; - rgba.Amask = 0x000000FF; - rgba.Ashift = 24; -#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN - - // +++ here is bug on ppc64le - SDL_Surface *const surf = MSDL_ConvertSurface( - tmpImage, &rgba, SDL_SWSURFACE); - - MSDL_FreeSurface(tmpImage); - if (surf == nullptr) - return nullptr; - - uint32_t *pixels = static_cast<uint32_t *>(surf->pixels); - const int type = dye.getType(); - - switch (type) - { - case 1: - { - const DyePalette *const pal = dye.getSPalete(); - if (pal != nullptr) - DYEPALETTEP(pal, SColor)(pixels, surf->w * surf->h); - break; - } - case 2: - { - const DyePalette *const pal = dye.getAPalete(); - if (pal != nullptr) - DYEPALETTEP(pal, AColor)(pixels, surf->w * surf->h); - break; - } - case 0: - default: - { - dye.normalDye(pixels, surf->w * surf->h); - break; - } - } - - Image *const image = loadSurface(surf); - MSDL_FreeSurface(surf); - return image; -} - -Image *SDLImageHelper::loadSurface(SDL_Surface *const tmpImage) -{ - return _SDLload(tmpImage); -} - -Image *SDLImageHelper::createTextSurface(SDL_Surface *const tmpImage, - const int width A_UNUSED, - const int height A_UNUSED, - const float alpha) -{ - if (tmpImage == nullptr) - return nullptr; - - bool hasAlpha = false; - const size_t sz = tmpImage->w * tmpImage->h; - - // The alpha channel to be filled with alpha values - uint8_t *alphaChannel = new uint8_t[sz]; - - const SDL_PixelFormat *const fmt = tmpImage->format; - if (fmt->Amask != 0u) - { - for (size_t i = 0; i < sz; ++ i) - { - uint32_t c = (static_cast<uint32_t*>(tmpImage->pixels))[i]; - - const unsigned v = (c & fmt->Amask) >> fmt->Ashift; - const uint8_t a = static_cast<uint8_t>((v << fmt->Aloss) - + (v >> (8 - (fmt->Aloss << 1)))); - - const uint8_t a2 = CAST_U8( - static_cast<float>(a) * alpha); - - c &= ~fmt->Amask; - c |= ((a2 >> fmt->Aloss) << fmt->Ashift & fmt->Amask); - (static_cast<uint32_t*>(tmpImage->pixels))[i] = c; - - if (a != 255) - hasAlpha = true; - - alphaChannel[i] = a; - } - } - - SDL_Surface *image; - - // Convert the surface to the current display format - if (hasAlpha) - { - image = MSDL_DisplayFormatAlpha(tmpImage); - } - else - { - image = MSDL_DisplayFormat(tmpImage); - - // We also delete the alpha channel since - // it's not used. - delete [] alphaChannel; - alphaChannel = nullptr; - } - - if (image == nullptr) - { - reportAlways("Error: Image convert failed."); - delete [] alphaChannel; - return nullptr; - } - - Image *const img = new Image(image, hasAlpha, alphaChannel); - img->mAlpha = alpha; - return img; -} - -SDL_Surface* SDLImageHelper::SDLDuplicateSurface(SDL_Surface *const tmpImage) -{ - if ((tmpImage == nullptr) || (tmpImage->format == nullptr)) - return nullptr; - - return MSDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE); -} - -Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage) -{ - if (tmpImage == nullptr) - return nullptr; - - bool hasAlpha = false; - bool converted = false; - - if (tmpImage->format->BitsPerPixel != 32) - { - reportAlways("Non 32 bit image detected"); - tmpImage = convertTo32Bit(tmpImage); - - if (tmpImage == nullptr) - return nullptr; - converted = true; - } - - const size_t sz = tmpImage->w * tmpImage->h; - - // The alpha channel to be filled with alpha values - uint8_t *alphaChannel = new uint8_t[sz]; - - // Figure out whether the image uses its alpha layer - if (tmpImage->format->palette == nullptr) - { - const SDL_PixelFormat *const fmt = tmpImage->format; - if (fmt->Amask != 0u) - { - const uint32_t amask = fmt->Amask; - const uint8_t ashift = fmt->Ashift; - const uint8_t aloss = fmt->Aloss; - const uint32_t *pixels = static_cast<uint32_t*>(tmpImage->pixels); - cilk_for (size_t i = 0; i < sz; ++ i) - { - const unsigned v = (pixels[i] & amask) >> ashift; - const uint8_t a = static_cast<uint8_t>((v << aloss) - + (v >> (8 - (aloss << 1)))); - - if (a != 255) - hasAlpha = true; - - alphaChannel[i] = a; - } - } - else - { - ifconstexpr (SDL_ALPHA_OPAQUE != 255) - { - hasAlpha = true; - memset(alphaChannel, SDL_ALPHA_OPAQUE, sz); - } - } - } - else - { - ifconstexpr (SDL_ALPHA_OPAQUE != 255) - { - hasAlpha = true; - memset(alphaChannel, SDL_ALPHA_OPAQUE, sz); - } - } - - SDL_Surface *image; - - // Convert the surface to the current display format - if (hasAlpha) - { - image = MSDL_DisplayFormatAlpha(tmpImage); - } - else - { - image = MSDL_DisplayFormat(tmpImage); - - // We also delete the alpha channel since - // it's not used. - delete [] alphaChannel; - alphaChannel = nullptr; - } - - if (image == nullptr) - { - reportAlways("Error: Image convert failed."); - delete [] alphaChannel; - return nullptr; - } - - if (converted) - MSDL_FreeSurface(tmpImage); - return new Image(image, hasAlpha, alphaChannel); -} - -int SDLImageHelper::combineSurface(SDL_Surface *restrict const src, - SDL_Rect *restrict const srcrect, - SDL_Surface *restrict const dst, - SDL_Rect *restrict const dstrect) -{ -#if SDL_BYTEORDER == SDL_LIL_ENDIAN - return SDLgfxBlitRGBA(src, srcrect, dst, dstrect); -#else // SDL_BYTEORDER == SDL_LIL_ENDIAN - - return SDL_gfxBlitRGBA(src, srcrect, dst, dstrect); -#endif // SDL_BYTEORDER == SDL_LIL_ENDIAN -} - -void SDLImageHelper::copySurfaceToImage(const Image *const image, - const int x, const int y, - SDL_Surface *const surface) const -{ - if ((image == nullptr) || (surface == nullptr)) - return; - - SDL_SetAlpha(surface, 0, SDL_ALPHA_OPAQUE); - SDL_Rect rect = - { - CAST_S16(x), CAST_S16(y), - CAST_U16(surface->w), static_cast<uint16_t>(surface->h) - }; - - SDL_BlitSurface(surface, nullptr, image->mSDLSurface, &rect); -} - -#endif // USE_SDL2 |