X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fview.cpp;h=80f49861b116db216258cf96e9349370704460eb;hp=fcb841b61eb84b24d5a7d7cf383c5d94ef580349;hb=a269b3e29535918a390f448829a3459e4853425b;hpb=b006386ab52e8a2c47c20bc21591d01c314d4d8e diff --git a/src/view.cpp b/src/view.cpp index fcb841b..80f4986 100644 --- a/src/view.cpp +++ b/src/view.cpp @@ -1,14 +1,83 @@ #include "view.h" +#include "SDL_opengl.h" + using namespace IPDF; using namespace std; +void View::Translate(Real x, Real y) +{ + x *= m_bounds.w; + y *= m_bounds.h; + m_bounds.x += x; + m_bounds.y += y; +} + +void View::ScaleAroundPoint(Real x, Real y, Real scaleAmt) +{ + // Convert to local coords. + x *= m_bounds.w; + y *= m_bounds.h; + x += m_bounds.x; + y += m_bounds.y; + + Debug("Mouse wheel event %f %f %f\n", Float(x), Float(y), Float(scaleAmt)); + + Real top = y - m_bounds.y; + Real left = x - m_bounds.x; + + top *= scaleAmt; + left *= scaleAmt; + + m_bounds.x = x - left; + m_bounds.y = y - top; + m_bounds.w *= scaleAmt; + m_bounds.h *= scaleAmt; +} + void View::Render() { - Debug("Bounds are %s", m_bounds.Str().c_str()); - Debug("Objects are:"); + static bool debug_output_done = false; + if (!debug_output_done) + { + m_document.DebugDumpObjects(); + debug_output_done = true; + } + + glClearColor(1.f,1.f,1.f,1.f); + glClear(GL_COLOR_BUFFER_BIT); + + 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); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + + glColor4f(0.f,0.f,0.f,1.f); + glBegin(GL_QUADS); + for (unsigned id = 0; id < m_document.ObjectCount(); ++id) + { + if (m_document.m_objects.types[id] == RECT_FILLED) + continue; + Rect obj_bounds = 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)); + glVertex2f(Float(obj_bounds.x), Float(obj_bounds.y) + Float(obj_bounds.h)); + } + glEnd(); + for (unsigned id = 0; id < m_document.ObjectCount(); ++id) { - Debug("%u\t%s", id, m_document.m_objects.bounds[id].Str().c_str()); + if (m_document.m_objects.types[id] == RECT_OUTLINE) + continue; + Rect obj_bounds = 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)); + glVertex2f(Float(obj_bounds.x) + Float(obj_bounds.w), Float(obj_bounds.y) + Float(obj_bounds.h)); + glVertex2f(Float(obj_bounds.x), Float(obj_bounds.y) + Float(obj_bounds.h)); + glEnd(); } + }