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Support resetting vecr::renderer to an existing image

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This commit is contained in:
Nikita Lisitsa 2025-06-09 14:24:37 +03:00
parent afd942af14
commit 14b18197bf
2 changed files with 10 additions and 0 deletions
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1
libs/vecr/include/psemek/vecr/renderer.hpp
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@ -23,6 +23,7 @@ namespace psemek::vecr
struct renderer struct renderer
{ {
void reset(math::vector<std::size_t, 2> const & size, std::size_t samples = 4, gfx::color_rgba const & color = {0, 0, 0, 0}); void reset(math::vector<std::size_t, 2> const & size, std::size_t samples = 4, gfx::color_rgba const & color = {0, 0, 0, 0});
void reset(gfx::pixmap_rgba image, std::size_t samples = 4);
math::vector<std::size_t, 2> size() const; math::vector<std::size_t, 2> size() const;
std::size_t samples() const; std::size_t samples() const;

9
libs/vecr/source/renderer.cpp
View file

@ -12,6 +12,15 @@ namespace psemek::vecr
need_resolve_ = false; need_resolve_ = false;
} }
void renderer::reset(gfx::pixmap_rgba image, std::size_t samples)
{
result_ = std::move(image);
canvas_.resize({result_.width() * samples, result_.height() * samples});
for (auto idx : canvas_.indices())
canvas_(idx) = result_({idx[0] / samples, idx[1] / samples});
need_resolve_ = false;
}
math::vector<std::size_t, 2> renderer::size() const math::vector<std::size_t, 2> renderer::size() const
{ {
return {result_.width(), result_.height()}; return {result_.width(), result_.height()};