87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
#include <SDL2/SDL_image.h>
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#include "GuiTextureData.h"
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#include "../system/SDLSystem.h"
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#include "../utils/logger.h"
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GuiTextureData::GuiTextureData(const std::string& path) {
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SDL_Surface *surface = IMG_Load_RW(SDL_RWFromFile(path.c_str(), "rb"), 1);
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loadSurface(surface);
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}
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GuiTextureData::GuiTextureData(void *buffer, const uint32_t filesize, bool freesrc) {
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SDL_RWops *rw = SDL_RWFromMem(buffer, filesize);
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SDL_Surface *surface = IMG_Load_RW(rw, freesrc);
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loadSurface(surface);
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}
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GuiTextureData::GuiTextureData(SDL_Texture *texture) {
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if (this->texture) {
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SDL_DestroyTexture(this->texture);
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this->texture = nullptr;
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}
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this->texture = texture;
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int w, h;
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SDL_QueryTexture(this->texture, nullptr, nullptr, &w, &h);
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this->width = w;
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this->height = h;
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}
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void GuiTextureData::loadSurface(SDL_Surface *pSurface) {
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if(!pSurface){
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return;
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}
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cleanUp();
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imgSurface = pSurface;
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this->width = imgSurface->w;
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this->height = imgSurface->h;
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}
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void GuiTextureData::cleanUp() {
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if (imgSurface) {
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SDL_FreeSurface(imgSurface);
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imgSurface = nullptr;
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}
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if (texture) {
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SDL_DestroyTexture(texture);
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texture = nullptr;
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}
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}
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/**
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* Destructor for the GuiImage class.
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*/
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GuiTextureData::~GuiTextureData() {
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cleanUp();
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}
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void GuiTextureData::draw(Renderer *renderer, const SDL_Rect& dest, float angle) {
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if (texture == nullptr && imgSurface) {
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SDL_Surface *optimizedSurface = SDL_ConvertSurfaceFormat(imgSurface, renderer->getPixelFormat(), 0);
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if (optimizedSurface != nullptr) {
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SDL_FreeSurface(imgSurface);
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imgSurface = optimizedSurface;
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}
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texture = SDL_CreateTextureFromSurface(renderer->getRenderer(), imgSurface);
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}
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if (!texture) {
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DEBUG_FUNCTION_LINE("no texture!");
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return;
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}
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if (angle == 0) {
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SDL_RenderCopy(renderer->getRenderer(), texture, nullptr, &dest);
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} else {
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SDL_RenderCopyEx(renderer->getRenderer(), texture, nullptr, &dest, angle, nullptr, SDL_FLIP_NONE);
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}
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}
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int GuiTextureData::setBlendMode(SDL_BlendMode) {
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if(texture){ return SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND); }
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return SDL_BLENDMODE_INVALID;
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} |