X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fview.cpp;h=53511d216c0716818952f60a72425852c48790d7;hp=8063cecc9e6be645ee88184c7719fafd8c6ce5f6;hb=6b7e92069596a3f19fbe068b14a9c5ef59c22061;hpb=5f600e9c0d22c09bd60ef3c7245dbecc8d35d576

diff --git a/src/view.cpp b/src/view.cpp
index 8063cec..53511d2 100644
--- a/src/view.cpp
+++ b/src/view.cpp
@@ -7,6 +7,13 @@
 	#include "controlpanel.h"
 #endif //CONTROLPANEL_DISABLED
 
+
+#ifdef TRANSFORM_BEZIERS_TO_PATH 
+	#ifndef TRANSFORM_OBJECTS_NOT_VIEW
+	//#error Cannot TRANSFORM_BEZIERS_TO_PATH _without_ TRANSFORM_OBJECTS_NOT_VIEW
+	#endif
+#endif
+
 using namespace IPDF;
 using namespace std;
 
@@ -17,7 +24,7 @@ using namespace std;
  * @param bounds - Initial bounds of the View
  * @param colour - Colour to use for rendering this view. TODO: Make sure this actually works, or just remove it
  */
-View::View(Document & document, Screen & screen, const Rect & bounds, const Colour & colour)
+View::View(Document & document, Screen & screen, const VRect & bounds, const Colour & colour)
 	: m_use_gpu_transform(USE_GPU_TRANSFORM), m_use_gpu_rendering(USE_GPU_RENDERING), m_bounds_dirty(true), m_buffer_dirty(true), 
 		m_render_dirty(true), m_document(document), m_screen(screen), m_cached_display(), m_bounds(bounds), m_colour(colour), m_bounds_ubo(), 
 		m_objbounds_vbo(), m_object_renderers(NUMBER_OF_OBJECT_TYPES), m_cpu_rendering_pixels(NULL),
@@ -83,12 +90,14 @@ void View::Translate(Real x, Real y)
 		m_buffer_dirty = true;
 	m_bounds_dirty = true;
 	#ifdef TRANSFORM_OBJECTS_NOT_VIEW
-	m_document.TranslateObjects(-x, -y);
+	ObjectType type = NUMBER_OF_OBJECT_TYPES;
+		#ifdef TRANSFORM_BEZIERS_TO_PATH
+			type = PATH;
+		#endif
+	m_document.TranslateObjects(-x, -y, type);
 	#endif
-	x *= m_bounds.w;
-	y *= m_bounds.h;
-	m_bounds.x += x;
-	m_bounds.y += y;
+	m_bounds.x += m_bounds.w*VReal(x);
+	m_bounds.y += m_bounds.h*VReal(y);
 	//Debug("View Bounds => %s", m_bounds.Str().c_str());
 
 	
@@ -126,21 +135,25 @@ void View::ScaleAroundPoint(Real x, Real y, Real scale_amount)
 	
 	
 	#ifdef TRANSFORM_OBJECTS_NOT_VIEW
-	m_document.ScaleObjectsAboutPoint(x, y, scale_amount);
+	ObjectType type = NUMBER_OF_OBJECT_TYPES;
+	#ifdef TRANSFORM_BEZIERS_TO_PATH
+		type = PATH;
 	#endif
-	x *= m_bounds.w;
-	y *= m_bounds.h;
-	x += m_bounds.x;
-	y += m_bounds.y;
+	m_document.ScaleObjectsAboutPoint(x, y, scale_amount, type);
+	#endif
+	VReal vx = m_bounds.w * VReal(x);
+	VReal vy = m_bounds.h * VReal(y);
+	vx += m_bounds.x;
+	vy += m_bounds.y;
 	
-	Real top = y - m_bounds.y;
-	Real left = x - m_bounds.x;
+	VReal top = vy - m_bounds.y;
+	VReal left = vx - m_bounds.x;
 	
 	top *= scale_amount;
 	left *= scale_amount;
 	
-	m_bounds.x = x - left;
-	m_bounds.y = y - top;
+	m_bounds.x = vx - left;
+	m_bounds.y = vy - top;
 	m_bounds.w *= scale_amount;
 	m_bounds.h *= scale_amount;
 	//Debug("Scale at {%s, %s} by %s View Bounds => %s", x.Str().c_str(), y.Str().c_str(), scale_amount.Str().c_str(), m_bounds.Str().c_str());
@@ -159,12 +172,7 @@ Rect View::TransformToViewCoords(const Rect& inp) const
 	#ifdef TRANSFORM_OBJECTS_NOT_VIEW
 		return inp;
 	#endif
-	Rect out;
-	out.x = (inp.x - m_bounds.x) / m_bounds.w;
-	out.y = (inp.y - m_bounds.y) / m_bounds.h;
-	out.w = inp.w / m_bounds.w;
-	out.h = inp.h / m_bounds.h;
-	return out;
+	return TransformRectCoordinates(m_bounds.Convert<Real>(), inp);
 }
 
 /**
@@ -201,7 +209,7 @@ void View::Render(int width, int height)
 #ifndef QUADTREE_DISABLED
 	if (m_bounds_dirty || !m_lazy_rendering)
 	{
-		if ( (m_bounds.x > 1.0 || m_bounds.x < 0.0 || m_bounds.y > 1.0 || m_bounds.y < 0.0 || m_bounds.w > 1.0 || m_bounds.h > 1.0))
+		if ( m_bounds.w > 1.0 || m_bounds.h > 1.0)
 		{
 			//TODO: Generate a new parent node.
 			if (m_document.GetQuadTree().nodes[m_current_quadtree_node].parent != QUADTREE_EMPTY)
@@ -210,6 +218,32 @@ void View::Render(int width, int height)
 				m_current_quadtree_node = m_document.GetQuadTree().nodes[m_current_quadtree_node].parent;
 			}
 		}
+
+		// TODO: Support generating new parent nodes.
+		if (false && m_document.GetQuadTree().nodes[m_current_quadtree_node].parent != QUADTREE_EMPTY)
+		{
+			if (m_bounds.x < -0.5)
+			{
+				m_bounds = Rect(m_bounds.x + 1, m_bounds.y, m_bounds.w, m_bounds.h);
+				m_current_quadtree_node = m_document.GetQuadTree().GetNeighbour(m_current_quadtree_node, -1, 0, &m_document);
+			}
+			if (m_bounds.y < -0.5)
+			{
+				m_bounds = Rect(m_bounds.x, m_bounds.y + 1, m_bounds.w, m_bounds.h);
+				m_current_quadtree_node = m_document.GetQuadTree().GetNeighbour(m_current_quadtree_node, 0, -1, &m_document);
+			}
+			if (m_bounds.w + m_bounds.x > 0.5)
+			{
+				m_bounds = Rect(m_bounds.x - 1, m_bounds.y, m_bounds.w, m_bounds.h);
+				m_current_quadtree_node = m_document.GetQuadTree().GetNeighbour(m_current_quadtree_node, 1, 0, &m_document);
+			}
+			if (m_bounds.h + m_bounds.y > 0.5)
+			{
+				m_bounds = Rect(m_bounds.x, m_bounds.y - 1, m_bounds.w, m_bounds.h);
+				m_current_quadtree_node = m_document.GetQuadTree().GetNeighbour(m_current_quadtree_node, 0, 1, &m_document);
+			}
+		}
+
 		if (ContainedInQuadChild(m_bounds, QTC_TOP_LEFT))
 		{
 			if (m_document.GetQuadTree().nodes[m_current_quadtree_node].top_left == QUADTREE_EMPTY)
@@ -332,49 +366,56 @@ void View::RenderQuadtreeNode(int width, int height, QuadTreeIndex node, int rem
 	{
 		m_bounds = Rect(m_bounds.x - 1, m_bounds.y - 1, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, -1), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, -1, &m_document), remaining_depth - 1);
 	}
+	m_bounds = old_bounds;
 	if (m_bounds.Intersects(Rect(-1,0,1,1)))
 	{
 		m_bounds = Rect(m_bounds.x - 1, m_bounds.y, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, 0), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, 0, &m_document), remaining_depth - 1);
 	}
+	m_bounds = old_bounds;
 	if (m_bounds.Intersects(Rect(-1,1,1,1)))
 	{
 		m_bounds = Rect(m_bounds.x - 1, m_bounds.y + 1, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, 1), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, -1, 1, &m_document), remaining_depth - 1);
 	}
+	m_bounds = old_bounds;
 	if (m_bounds.Intersects(Rect(0,-1,1,1)))
 	{
 		m_bounds = Rect(m_bounds.x, m_bounds.y - 1, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 0, -1), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 0, -1, &m_document), remaining_depth - 1);
 	}
+	m_bounds = old_bounds;
 	if (m_bounds.Intersects(Rect(0,1,1,1)))
 	{
 		m_bounds = Rect(m_bounds.x, m_bounds.y + 1, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 0, 1), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 0, 1, &m_document), remaining_depth - 1);
 	}
+	m_bounds = old_bounds;
 	if (m_bounds.Intersects(Rect(1,-1,1,1)))
 	{
 		m_bounds = Rect(m_bounds.x + 1, m_bounds.y - 1, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, -1), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, -1, &m_document), remaining_depth - 1);
 	}
+	m_bounds = old_bounds;
 	if (m_bounds.Intersects(Rect(1,0,1,1)))
 	{
 		m_bounds = Rect(m_bounds.x + 1, m_bounds.y, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, 0), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, 0, &m_document), remaining_depth - 1);
 	}
+	m_bounds = old_bounds;
 	if (m_bounds.Intersects(Rect(1,1,1,1)))
 	{
 		m_bounds = Rect(m_bounds.x + 1, m_bounds.y + 1, m_bounds.w, m_bounds.h);
 		m_bounds_dirty = true;
-		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, 1), remaining_depth - 1);
+		RenderQuadtreeNode(width, height, m_document.GetQuadTree().GetNeighbour(node, 1, 1, &m_document), remaining_depth - 1);
 	}
 	m_bounds = old_bounds;
 	m_bounds_dirty = true;
@@ -413,6 +454,7 @@ void View::RenderRange(int width, int height, unsigned first_obj, unsigned last_
 	if (m_use_gpu_transform)
 	{
 		#ifdef TRANSFORM_OBJECTS_NOT_VIEW
+			//Debug("Transform objects, not view");
 				GLfloat glbounds[] = {0.0f, 0.0f, 1.0f, 1.0f,
 					0.0f, 0.0f, float(width), float(height)};
 		#else
@@ -470,11 +512,14 @@ void View::UpdateObjBoundsVBO(unsigned first_obj, unsigned last_obj)
 	//m_objbounds_vbo.Invalidate();
 	m_objbounds_vbo.SetType(GraphicsBuffer::BufferTypeVertex);
 	m_objbounds_vbo.SetName("Object Bounds VBO");
+	
+	#ifndef TRANSFORM_OBJECTS_NOT_VIEW
 	if (m_use_gpu_transform)
 	{
 		m_objbounds_vbo.SetUsage(GraphicsBuffer::BufferUsageStaticDraw);
 	}
 	else
+	#endif //TRANSFORM_OBJECTS_NOT_VIEW
 	{
 		m_objbounds_vbo.SetUsage(GraphicsBuffer::BufferUsageDynamicCopy);
 	}
@@ -482,6 +527,7 @@ void View::UpdateObjBoundsVBO(unsigned first_obj, unsigned last_obj)
 
 	BufferBuilder<GPUObjBounds> obj_bounds_builder(m_objbounds_vbo.MapRange(first_obj*sizeof(GPUObjBounds), (last_obj-first_obj)*sizeof(GPUObjBounds), false, true, true), m_objbounds_vbo.GetSize());
 
+	#ifndef TRANSFORM_BEZIERS_TO_PATH
 	for (unsigned id = first_obj; id < last_obj; ++id)
 	{
 		Rect obj_bounds;
@@ -499,9 +545,48 @@ void View::UpdateObjBoundsVBO(unsigned first_obj, unsigned last_obj)
 			(float)Float(obj_bounds.x + obj_bounds.w),
 			(float)Float(obj_bounds.y + obj_bounds.h)
 		};
-		obj_bounds_builder.Add(gpu_bounds);
 
+		obj_bounds_builder.Add(gpu_bounds);
+	}
+	#else
+	for (unsigned i = 0; i < m_document.m_objects.paths.size(); ++i)
+	{
+		Path & path = m_document.m_objects.paths[i];
+		Rect & pbounds = path.GetBounds(m_document.m_objects); // Not very efficient...
+		for (unsigned id = path.m_start; id <= path.m_end; ++id)
+		{
+			if (id < first_obj || id >= last_obj)
+				continue;
+				
+			Rect obj_bounds = m_document.m_objects.bounds[id];
+
+			obj_bounds.x *= pbounds.w;
+			obj_bounds.x += pbounds.x;
+			obj_bounds.y *= pbounds.h;
+			obj_bounds.y += pbounds.y;
+			obj_bounds.w *= pbounds.w;
+			obj_bounds.h *= pbounds.h;
+			
+			if (!m_use_gpu_transform)
+				obj_bounds = TransformToViewCoords(obj_bounds);
+			GPUObjBounds gpu_bounds = {
+				Float(obj_bounds.x),
+				Float(obj_bounds.y),
+				Float(obj_bounds.x + obj_bounds.w),
+				Float(obj_bounds.y + obj_bounds.h)
+			};
+			obj_bounds_builder.Add(gpu_bounds);
+			//Debug("Path %d %s -> %s via %s", id, m_document.m_objects.bounds[id].Str().c_str(), obj_bounds.Str().c_str(), pbounds.Str().c_str()); 
+		}
+		GPUObjBounds p_gpu_bounds = {
+				Float(pbounds.x),
+				Float(pbounds.y),
+				Float(pbounds.x + pbounds.w),
+				Float(pbounds.y + pbounds.h)
+		};		
+		obj_bounds_builder.Add(p_gpu_bounds);
 	}
+	#endif
 	m_objbounds_vbo.UnMap();
 }
 /**
@@ -549,7 +634,9 @@ void View::PrepareRender()
 		m_object_renderers[i]->FinaliseBuffers();
 	}
 	if (UsingGPURendering())
+	{
 		dynamic_cast<BezierRenderer*>(m_object_renderers[BEZIER])->PrepareBezierGPUBuffer(m_document.m_objects);
+	}
 	m_render_dirty = false;
 }