X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fview.cpp;h=0354ee9e1ca44b9c3da02b3e06bb79c71f881443;hp=6a3dbdf9768ee3fc8971fd2d20e815492eedd2bd;hb=6ad7439e8ebf969fcd2d3a710a4b16e2b1ee131f;hpb=700f1449af19115ff2bbe50ad67ea7c73f9aa5cd diff --git a/src/view.cpp b/src/view.cpp index 6a3dbdf..0354ee9 100644 --- a/src/view.cpp +++ b/src/view.cpp @@ -35,6 +35,17 @@ void View::ScaleAroundPoint(Real x, Real y, Real scaleAmt) m_bounds.h *= scaleAmt; } +Rect View::TransformToViewCoords(const Rect& inp) const +{ + 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; +} + void View::DrawGrid() { // Draw some grid lines at fixed pixel positions @@ -74,7 +85,14 @@ void View::Render() glMatrixMode(GL_PROJECTION); glLoadIdentity(); - glOrtho(Float(m_bounds.x), Float(m_bounds.x)+Float(m_bounds.w), Float(m_bounds.y) + Float(m_bounds.h), Float(m_bounds.y), -1.f, 1.f); + if (m_use_gpu_transform) + { + glOrtho(Float(m_bounds.x), Float(m_bounds.x)+Float(m_bounds.w), Float(m_bounds.y) + Float(m_bounds.h), Float(m_bounds.y), -1.f, 1.f); + } + else + { + glOrtho(0,1,1,0,-1,1); + } glMatrixMode(GL_MODELVIEW); glLoadIdentity(); @@ -89,7 +107,15 @@ void View::Render() { if (m_document.m_objects.types[id] != RECT_FILLED) continue; - Rect obj_bounds = m_document.m_objects.bounds[id]; + Rect obj_bounds; + if (m_use_gpu_transform) + { + obj_bounds = m_document.m_objects.bounds[id]; + } + else + { + obj_bounds = TransformToViewCoords(m_document.m_objects.bounds[id]); + } glVertex2f(Float(obj_bounds.x), Float(obj_bounds.y)); glVertex2f(Float(obj_bounds.x) + Float(obj_bounds.w), Float(obj_bounds.y)); glVertex2f(Float(obj_bounds.x) + Float(obj_bounds.w), Float(obj_bounds.y) + Float(obj_bounds.h)); @@ -102,7 +128,15 @@ void View::Render() { if (m_document.m_objects.types[id] != RECT_OUTLINE) continue; - Rect obj_bounds = m_document.m_objects.bounds[id]; + Rect obj_bounds; + if (m_use_gpu_transform) + { + obj_bounds = m_document.m_objects.bounds[id]; + } + else + { + obj_bounds = TransformToViewCoords(m_document.m_objects.bounds[id]); + } glBegin(GL_LINE_LOOP); glVertex2f(Float(obj_bounds.x), Float(obj_bounds.y)); glVertex2f(Float(obj_bounds.x) + Float(obj_bounds.w), Float(obj_bounds.y));