Catcrafts/Crafter.Graphics
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rendertarget multi frame rewrite

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This commit is contained in:
Jorijn van der Graaf 2026-03-12 21:13:53 +01:00
commit 2b22c16ce7
13 changed files with 225 additions and 276 deletions
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42
interfaces/Crafter.Graphics-Transform2D.cppm
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@ -20,9 +20,9 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
export module Crafter.Graphics:Transform2D;
import std;
import :Types;
import :ForwardDeclarations;
export namespace Crafter {
struct RendertargetBase;
struct Anchor2D {
float x;
float y;
@ -35,17 +35,51 @@ export namespace Crafter {
Anchor2D() = default;
Anchor2D(float x, float y, float width, float height, float offsetX, float offsetY, std::int32_t z, bool maintainAspectRatio = false);
};
struct Transform2D {
Anchor2D anchor;
ScaleData2D scaled;
std::vector<Transform2D*> children;
Transform2D() = default;
Transform2D(Anchor2D anchor);
Transform2D(Anchor2D anchor) : anchor(anchor) {
}
Transform2D(Transform2D&) = delete;
Transform2D(Transform2D&&) = delete;
Transform2D& operator=(Transform2D&) = delete;
virtual ~Transform2D() = default;
void ScaleElement(Transform2D& parent);
virtual void UpdatePosition(RendertargetBase& window, Transform2D& parent);
virtual void UpdatePosition(RendertargetBase<1>& window, Transform2D& parent) {
ScaleElement(parent);
for(Transform2D* child : children) {
child->UpdatePosition(window, *this);
}
}
virtual void UpdatePosition(RendertargetBase<3>& window, Transform2D& parent) {
ScaleElement(parent);
for(Transform2D* child : children) {
child->UpdatePosition(window, *this);
}
}
void ScaleElement(Transform2D& parent) {
if(anchor.maintainAspectRatio) {
if(parent.scaled.size.x > parent.scaled.size.y) {
scaled.size.x = anchor.width * parent.scaled.size.y;
scaled.size.y = anchor.height * parent.scaled.size.y;
} else {
scaled.size.x = anchor.width * parent.scaled.size.x;
scaled.size.y = anchor.height * parent.scaled.size.x;
}
} else {
scaled.size.x = anchor.width * parent.scaled.size.x;
scaled.size.y = anchor.height * parent.scaled.size.y;
}
scaled.position.x = parent.scaled.position.x + (anchor.x * parent.scaled.size.x - anchor.offsetX * scaled.size.x);
scaled.position.y = parent.scaled.position.y + (anchor.y * parent.scaled.size.y - anchor.offsetY * scaled.size.y);
}
};
}