From 83c261cf036b0bde955f1d04aa08dd1e6860cd77 Mon Sep 17 00:00:00 2001 From: Dmitry Marakasov Date: Tue, 8 Nov 2016 17:59:24 +0300 Subject: [PATCH] Add Texture::Update() overload which takes Surface&& --- SDL2pp/Texture.cc | 18 ++++++++++++++++++ SDL2pp/Texture.hh | 21 +++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/SDL2pp/Texture.cc b/SDL2pp/Texture.cc index 238771e..f7e5711 100644 --- a/SDL2pp/Texture.cc +++ b/SDL2pp/Texture.cc @@ -113,6 +113,24 @@ Texture& Texture::Update(const Optional& rect, Surface& surface) { } } +Texture& Texture::Update(const Optional& rect, Surface&& surface) { + Rect real_rect = rect ? *rect : Rect(0, 0, GetWidth(), GetHeight()); + + real_rect.w = std::min(real_rect.w, surface.GetWidth()); + real_rect.h = std::min(real_rect.h, surface.GetHeight()); + + if (GetFormat() == surface.GetFormat()) { + Surface::LockHandle lock = surface.Lock(); + + return Update(real_rect, lock.GetPixels(), lock.GetPitch()); + } else { + Surface converted = surface.Convert(GetFormat()); + Surface::LockHandle lock = converted.Lock(); + + return Update(real_rect, lock.GetPixels(), lock.GetPitch()); + } +} + Texture& Texture::UpdateYUV(const Optional& rect, const Uint8* yplane, int ypitch, const Uint8* uplane, int upitch, const Uint8* vplane, int vpitch) { if (SDL_UpdateYUVTexture(texture_, rect ? &*rect : nullptr, yplane, ypitch, uplane, upitch, vplane, vpitch) != 0) throw Exception("SDL_UpdateYUVTexture"); diff --git a/SDL2pp/Texture.hh b/SDL2pp/Texture.hh index b886815..bf27aa2 100644 --- a/SDL2pp/Texture.hh +++ b/SDL2pp/Texture.hh @@ -335,6 +335,27 @@ public: //////////////////////////////////////////////////////////// Texture& Update(const Optional& rect, Surface& surface); + //////////////////////////////////////////////////////////// + /// \brief Update the given texture rectangle with new pixel data taken from surface + /// + /// \param[in] rect Rect representing the area to update, or NullOpt to + /// update the entire texture + /// \param[in] surface Surface to take pixel data from + /// + /// \note No scaling is performed in this routine, so if rect and surface + /// sizes do not match, cropping is performed as appropriate + /// \note If surface and texture pixel formats do not match, surface is + /// automatically converted to texture format + /// + /// \returns Reference to self + /// + /// \throws SDL2pp::Exception + /// + /// \see http://wiki.libsdl.org/SDL_UpdateTexture + /// + //////////////////////////////////////////////////////////// + Texture& Update(const Optional& rect, Surface&& surface); + //////////////////////////////////////////////////////////// /// \brief Update the given texture rectangle with new pixel data ///