More stuff done at Project Ultra

- Added renderspace
- Revision System (to not always update pRenderspace
- added some test scene

source/ultra/elems/element.cpp

@@ -0,0 +1,26 @@
+#include <pd/ultra/canvas.hpp>
+#include <pd/ultra/elems/element.hpp>
+
+namespace PD {
+namespace Ultra {
+PD_API bool ElementBase::RevisionUpdate(PD::u32 req) {
+  if (req != pCanvasRev) {
+    pCanvasRev = req;
+    return true;
+  } else {
+    return false;
+  }
+}
+PD_API void ElementBase::Update(Canvas& c) {
+  if (RevisionUpdate(c.GetRevision())) {
+    if (pParent) {
+      pRenderspace = c.VTranslateObject(
+          pParent->pRenderspace.TopLeft(),
+          pRenderspace.BotRight() - pRenderspace.TopLeft(), pAlignment, true);
+    } else {
+      pRenderspace = c.VTranslateObject(pPos, pSize, pAlignment);
+    }
+  }
+}
+}  // namespace Ultra
+}  // namespace PD

source/ultra/elems/image.cpp

@@ -0,0 +1,11 @@
+#include <pd/ultra/elems/image.hpp>
+
+namespace PD {
+namespace Ultra {
+PD_API void Image::Draw(PD::Li::Drawlist& l) {
+  l.BindTexture(*pTex);
+  l.PathRect(pRenderspace.TopLeft(), pRenderspace.BotRight(), pRounding);
+  l.PathFill(pColor);
+}
+}  // namespace Ultra
+}  // namespace PD

source/ultra/elems/rect.cpp

@@ -3,8 +3,10 @@
 namespace PD {
 namespace Ultra {
 PD_API void Rect::Draw(PD::Li::Drawlist& l) {
-  l.PathRect(pPos, pPos + pSize, pRounding);
+  l.PathRect(pRenderspace.TopLeft(), pRenderspace.BotRight(), pRounding);
   l.PathFill(pColor);
+  l.DrawText(pRenderspace.BotRight(), std::to_string(pCanvasRev).c_str(),
+             0xff0000ff);
 }
 }  // namespace Ultra
 }  // namespace PD

source/ultra/elems/text.cpp

@@ -3,7 +3,7 @@
 namespace PD {
 namespace Ultra {
 PD_API void Text::Draw(PD::Li::Drawlist& l) {
-  l.DrawText(pPos, pText.c_str(), pColor);
+  l.DrawText(pRenderspace.TopLeft(), pText.c_str(), pColor);
 }
 }  // namespace Ultra
 }  // namespace PD