tomato/src/icon_generator.cpp

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#include "./icon_generator.hpp"
#include <qoi/qoi.h>
#include <cstdlib>
namespace {
#include "../res/icon/tomato_v1_256.qoi.h"
}
namespace IconGenerator {
SDL_Surface* base(void) {
//ImageLoaderQOI{}.loadFromMemoryRGBA(tomato_v1_256_qoi, tomato_v1_256_qoi_len);
qoi_desc desc;
uint8_t* img_data = static_cast<uint8_t*>(
qoi_decode(tomato_v1_256_qoi, tomato_v1_256_qoi_len, &desc, 4)
);
if (img_data == nullptr) {
// not readable
return {};
}
auto* surf = SDL_CreateSurfaceFrom(desc.width, desc.height, SDL_PIXELFORMAT_RGBA32, img_data, 0);
if (surf == nullptr) {
return {}; // ??
}
auto* surf_dup = SDL_DuplicateSurface(surf);
SDL_DestroySurface(surf);
free(img_data);
return surf_dup;
}
SDL_Surface* colorIndicator(float r, float g, float b, float a) {
auto* surf = base();
if (surf == nullptr) {
return nullptr;
}
const SDL_Rect rect {
// TODO: gaps and smaller
// lower right quarter
surf->w/2,
surf->h/2,
surf->w/2,
surf->h/2,
};
const auto color = SDL_MapSurfaceRGBA(surf, r*255, g*255, b*255, a*255);
SDL_FillSurfaceRect(surf, &rect, color);
return surf;
}
} // IconGenerator