/** * Furnace Tracker - multi-system chiptune tracker * Copyright (C) 2021-2023 tildearrow and contributors * * 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. * * this license only applies to the code. for the license of each font used, * see `papers/`. */ #include "gui.h" #include "image.h" #include "../ta-log.h" #define STB_IMAGE_IMPLEMENTATION #define STBI_ONLY_PNG #define STBI_NO_STDIO #include "stb_image.h" const unsigned char* imageData[GUI_IMAGE_MAX]={ image_icon_data, image_talogo_data, image_tachip_data, image_logo_data }; const unsigned int imageLen[GUI_IMAGE_MAX]={ image_icon_size, image_talogo_size, image_tachip_size, image_logo_size }; SDL_Texture* FurnaceGUI::getTexture(FurnaceGUIImages image) { FurnaceGUIImage* img=getImage(image); if (img==NULL) return NULL; if (img->data==NULL) return NULL; if (img->width<=0 || img->height<=0) return NULL; if (img->tex==NULL) { img->tex=SDL_CreateTexture(sdlRend,SDL_PIXELFORMAT_ABGR8888,SDL_TEXTUREACCESS_STATIC,img->width,img->height); SDL_SetTextureBlendMode(img->tex,SDL_BLENDMODE_BLEND); if (img->tex==NULL) { logE("error while creating image %d texture! %s",(int)image,SDL_GetError()); return NULL; } if (SDL_UpdateTexture(img->tex,NULL,img->data,img->width*4)!=0) { logE("error while updating texture of image %d! %s",(int)image,SDL_GetError()); } } return img->tex; } FurnaceGUIImage* FurnaceGUI::getImage(FurnaceGUIImages image) { FurnaceGUIImage* ret=NULL; auto retPos=images.find(image); if (retPos!=images.cend()) { ret=retPos->second; } else { ret=new FurnaceGUIImage; logV("loading image %d to pool.",(int)image); ret->data=stbi_load_from_memory(imageData[image],imageLen[image],&ret->width,&ret->height,&ret->ch,STBI_rgb_alpha); if (ret->data==NULL) { logE("could not load image %d!",(int)image); delete ret; return NULL; } logV("%dx%d",ret->width,ret->height); images[image]=ret; } // warning silencers stbi__addints_valid(2,2); stbi__mul2shorts_valid(2,2); return ret; }