added texture support

[gworm.git] / src / graphics / Texture.cpp

diff --git a/src/graphics/Texture.cpp b/src/graphics/Texture.cpp
new file mode 100644 (file)
index 0000000..f39d1ca
--- /dev/null
+++ b/src/graphics/Texture.cpp
@@ -0,0 +1,69 @@
+#include "Texture.h"
+
+
+namespace gworm {
+
+Texture::Texture()
+: tex(nullptr)
+, format(Color::Format)
+, size(0, 0) {
+
+}
+
+Texture::~Texture() {
+       if (tex) SDL_DestroyTexture(tex);
+}
+
+Texture::Texture(Texture &&other)
+: Texture() {
+       Swap(other);
+}
+
+Texture &Texture::operator =(Texture &&other) {
+       Texture temp(std::move(other));
+       Swap(temp);
+       return *this;
+}
+
+
+Texture::Texture(
+       SDL_Renderer *c,
+       Uint32 f,
+       int u,
+       Vector<int> s)
+: tex(SDL_CreateTexture(c, f, u, s.x, s.y))
+, format(f)
+, size(s) {
+
+}
+
+
+void Texture::Swap(Texture &other) {
+       std::swap(tex, other.tex);
+       std::swap(format, other.format);
+       std::swap(size, other.size);
+}
+
+
+void Texture::SetColors(const Color *values) {
+       if (format == Color::Format) {
+               SDL_UpdateTexture(tex, nullptr, values, Size().x * sizeof(Color));
+       } else {
+               // TODO: implement for non-Color pixel formats
+       }
+}
+
+
+void Texture::Fill(SDL_Renderer *canv) {
+       SDL_RenderCopy(canv, tex, nullptr, nullptr);
+}
+
+void Texture::Copy(SDL_Renderer *canv, Vector<int> to) {
+       Copy(canv, Rect<int>(to, Size()));
+}
+
+void Texture::Copy(SDL_Renderer *canv, Rect<int> to) {
+       SDL_RenderCopy(canv, tex, nullptr, &to);
+}
+
+}