diff options
| -rw-r--r-- | gfx/image.cpp | 16 | ||||
| -rw-r--r-- | gfx/image.h | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/gfx/image.cpp b/gfx/image.cpp index e3e3b01..fb86cb6 100644 --- a/gfx/image.cpp +++ b/gfx/image.cpp @@ -19,6 +19,22 @@ Image::Image(const char * fileName, int flags) : width {}, height {}, numCompone data = {bytes, static_cast<size_t>(width * height * numComponents)}; } +Image::Image(std::span<unsigned char> buffer, int flags) +{ + stbi_set_flip_vertically_on_load(1); + int w, h, nc; + unsigned char * bytes = stbi_load_from_memory(buffer.data(), static_cast<int>(buffer.size()), &w, &h, &nc, flags); + width = static_cast<unsigned int>(w); + height = static_cast<unsigned int>(h); + numComponents = static_cast<unsigned int>(nc); + + if (!bytes) { + throw std::runtime_error {"Unable to load image from memory buffer "}; + } + + data = {bytes, static_cast<size_t>(width * height * numComponents)}; +} + Image::~Image() { stbi_image_free(data.data()); diff --git a/gfx/image.h b/gfx/image.h index 47437ca..97c2731 100644 --- a/gfx/image.h +++ b/gfx/image.h @@ -8,6 +8,7 @@ class Image { public: Image(const char * fileName, int flags); Image(const std::string & fileName, int flags) : Image(fileName.c_str(), flags) { } + Image(std::span<unsigned char> data, int flags); ~Image(); NO_COPY(Image); |