113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "gui.h"
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#include "image.h"
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#include "../ta-log.h"
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#define STB_IMAGE_IMPLEMENTATION
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#define STBI_ONLY_PNG
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#define STBI_NO_STDIO
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#include "stb_image.h"
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const unsigned char* imageData[GUI_IMAGE_MAX]={
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image_icon_data,
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image_talogo_data,
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image_tachip_data,
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image_logo_data,
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image_wordmark_data,
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image_introbg_data,
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image_pat_data
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};
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const unsigned int imageLen[GUI_IMAGE_MAX]={
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image_icon_size,
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image_talogo_size,
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image_tachip_size,
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image_logo_size,
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image_wordmark_size,
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image_introbg_size,
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image_pat_size
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};
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FurnaceGUITexture* FurnaceGUI::getTexture(FurnaceGUIImages image, FurnaceGUIBlendMode blendMode) {
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FurnaceGUIImage* img=getImage(image);
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if (img==NULL) return NULL;
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if (img->data==NULL) return NULL;
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if (img->width<=0 || img->height<=0) return NULL;
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if (img->tex==NULL) {
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img->tex=rend->createTexture(false,img->width,img->height);
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if (img->tex==NULL) {
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logE("error while creating image %d texture! %s",(int)image,SDL_GetError());
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return NULL;
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}
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rend->setTextureBlendMode(img->tex,blendMode);
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if (!rend->updateTexture(img->tex,img->data,img->width*4)) {
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logE("error while updating texture of image %d! %s",(int)image,SDL_GetError());
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}
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}
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return img->tex;
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}
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FurnaceGUIImage* FurnaceGUI::getImage(FurnaceGUIImages image) {
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FurnaceGUIImage* ret=NULL;
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auto retPos=images.find(image);
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if (retPos!=images.cend()) {
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ret=retPos->second;
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} else {
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ret=new FurnaceGUIImage;
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logV("loading image %d to pool.",(int)image);
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ret->data=stbi_load_from_memory(imageData[image],imageLen[image],&ret->width,&ret->height,&ret->ch,STBI_rgb_alpha);
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if (ret->data==NULL) {
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logE("could not load image %d!",(int)image);
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delete ret;
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return NULL;
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}
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logV("%dx%d",ret->width,ret->height);
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#ifdef TA_BIG_ENDIAN
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if (ret->ch==4) {
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size_t total=ret->width*ret->height*ret->ch;
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for (size_t i=0; i<total; i+=4) {
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ret->data[i]^=ret->data[i|3];
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ret->data[i|3]^=ret->data[i];
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ret->data[i]^=ret->data[i|3];
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ret->data[i|1]^=ret->data[i|2];
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ret->data[i|2]^=ret->data[i|1];
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ret->data[i|1]^=ret->data[i|2];
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}
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}
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#endif
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images[image]=ret;
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}
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// warning silencers
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stbi__addints_valid(2,2);
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stbi__mul2shorts_valid(2,2);
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return ret;
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}
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