--- a/src/gldraw.cpp Wed Oct 23 13:14:17 2013 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1785 +0,0 @@
-/*
- * LDForge: LDraw parts authoring CAD
- * Copyright (C) 2013 Santeri Piippo
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <QGLWidget>
-#include <QWheelEvent>
-#include <QMouseEvent>
-#include <QContextMenuEvent>
-#include <QInputDialog>
-#include <QToolTip>
-#include <QTimer>
-#include <GL/glu.h>
-#include "common.h"
-#include "config.h"
-#include "file.h"
-#include "gldraw.h"
-#include "colors.h"
-#include "gui.h"
-#include "misc.h"
-#include "history.h"
-#include "dialogs.h"
-#include "addObjectDialog.h"
-#include "messagelog.h"
-#include "gldata.h"
-#include "primitives.h"
-#include "moc_gldraw.cpp"
-
-static const LDFixedCameraInfo g_FixedCameras[6] =
-{ {{ 1, 0, 0 }, X, Z, false, false },
- {{ 0, 0, 0 }, X, Y, false, true },
- {{ 0, 1, 0 }, Z, Y, true, true },
- {{ -1, 0, 0 }, X, Z, false, true },
- {{ 0, 0, 0 }, X, Y, true, true },
- {{ 0, -1, 0 }, Z, Y, false, true },
-};
-
-static const matrix g_circleDrawTransforms[3] =
-{ { 2, 0, 0, 0, 1, 0, 0, 0, 2 },
- { 2, 0, 0, 0, 0, 2, 0, 1, 0 },
- { 0, 1, 0, 2, 0, 0, 0, 0, 2 },
-};
-
-cfg (String, gl_bgcolor, "#CCCCD9");
-cfg (String, gl_maincolor, "#707078");
-cfg (Float, gl_maincolor_alpha, 1.0);
-cfg (Int, gl_linethickness, 2);
-cfg (Bool, gl_colorbfc, false);
-cfg (Int, gl_camera, GLRenderer::Free);
-cfg (Bool, gl_axes, false);
-cfg (Bool, gl_wireframe, false);
-cfg (Bool, gl_logostuds, false);
-cfg (Bool, gl_aa, true);
-
-// argh
-const char* g_CameraNames[7] =
-{ QT_TRANSLATE_NOOP ("GLRenderer", "Top"),
- QT_TRANSLATE_NOOP ("GLRenderer", "Front"),
- QT_TRANSLATE_NOOP ("GLRenderer", "Left"),
- QT_TRANSLATE_NOOP ("GLRenderer", "Bottom"),
- QT_TRANSLATE_NOOP ("GLRenderer", "Back"),
- QT_TRANSLATE_NOOP ("GLRenderer", "Right"),
- QT_TRANSLATE_NOOP ("GLRenderer", "Free")
-};
-
-const GL::Camera g_Cameras[7] =
-{ GL::Top,
- GL::Front,
- GL::Left,
- GL::Bottom,
- GL::Back,
- GL::Right,
- GL::Free
-};
-
-const struct LDGLAxis
-{ const QColor col;
- const vertex vert;
-} g_GLAxes[3] =
-{ { QColor (255, 0, 0), vertex (10000, 0, 0) },
- { QColor (80, 192, 0), vertex (0, 10000, 0) },
- { QColor (0, 160, 192), vertex (0, 0, 10000) },
-};
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-GLRenderer::GLRenderer (QWidget* parent) : QGLWidget (parent)
-{ m_picking = m_rangepick = false;
- m_camera = (GL::Camera) gl_camera.value;
- m_drawToolTip = false;
- m_editMode = Select;
- m_rectdraw = false;
- m_panning = false;
- setFile (null);
- setDrawOnly (false);
- setMessageLog (null);
- m_width = m_height = -1;
- m_hoverpos = g_origin;
-
- m_toolTipTimer = new QTimer (this);
- m_toolTipTimer->setSingleShot (true);
- connect (m_toolTipTimer, SIGNAL (timeout()), this, SLOT (slot_toolTipTimer()));
-
- m_thickBorderPen = QPen (QColor (0, 0, 0, 208), 2, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
- m_thinBorderPen = m_thickBorderPen;
- m_thinBorderPen.setWidth (1);
-
- // Init camera icons
- for (const GL::Camera cam : g_Cameras)
- { str iconname = fmt ("camera-%1", tr (g_CameraNames[cam]).toLower());
-
- CameraIcon* info = &m_cameraIcons[cam];
- info->img = new QPixmap (getIcon (iconname));
- info->cam = cam;
- }
-
- for (int i = 0; i < 6; ++i)
- { m_overlays[i].img = null;
- m_depthValues[i] = 0.0f;
- }
-
- calcCameraIcons();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-GLRenderer::~GLRenderer()
-{ for (int i = 0; i < 6; ++i)
- delete m_overlays[i].img;
-
- for (CameraIcon& info : m_cameraIcons)
- delete info.img;
-}
-
-// =============================================================================
-// Calculates the "hitboxes" of the camera icons so that we can tell when the
-// cursor is pointing at the camera icon.
-// -----------------------------------------------------------------------------
-void GLRenderer::calcCameraIcons()
-{ int i = 0;
-
- for (CameraIcon& info : m_cameraIcons)
- { // MATH
- const long x1 = (m_width - (info.cam != Free ? 48 : 16)) + ((i % 3) * 16) - 1,
- y1 = ((i / 3) * 16) + 1;
-
- info.srcRect = QRect (0, 0, 16, 16);
- info.destRect = QRect (x1, y1, 16, 16);
- info.selRect = QRect (
- info.destRect.x(),
- info.destRect.y(),
- info.destRect.width() + 1,
- info.destRect.height() + 1
- );
-
- ++i;
- }
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::initGLData()
-{ glEnable (GL_BLEND);
- glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_POLYGON_OFFSET_FILL);
- glPolygonOffset (1.0f, 1.0f);
-
- glEnable (GL_DEPTH_TEST);
- glShadeModel (GL_SMOOTH);
- glEnable (GL_MULTISAMPLE);
-
- if (gl_aa)
- { glEnable (GL_LINE_SMOOTH);
- glEnable (GL_POLYGON_SMOOTH);
- glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
- glHint (GL_POLYGON_SMOOTH_HINT, GL_NICEST);
- } else
- { glDisable (GL_LINE_SMOOTH);
- glDisable (GL_POLYGON_SMOOTH);
- }
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::resetAngles()
-{ rot (X) = 30.0f;
- rot (Y) = 325.f;
- pan (X) = pan (Y) = rot (Z) = 0.0f;
- zoomToFit();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::resetAllAngles()
-{ Camera oldcam = camera();
-
- for (int i = 0; i < 7; ++i)
- { setCamera ((Camera) i);
- resetAngles();
- }
-
- setCamera (oldcam);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::initializeGL()
-{ setBackground();
-
- glLineWidth (gl_linethickness);
- glLineStipple (1, 0x6666);
-
- setAutoFillBackground (false);
- setMouseTracking (true);
- setFocusPolicy (Qt::WheelFocus);
-
- g_vertexCompiler.compileFile();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-QColor GLRenderer::getMainColor()
-{ QColor col (gl_maincolor);
-
- if (!col.isValid())
- return QColor (0, 0, 0);
-
- col.setAlpha (gl_maincolor_alpha * 255.f);
- return col;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::setBackground()
-{ QColor col (gl_bgcolor);
-
- if (!col.isValid())
- return;
-
- col.setAlpha (255);
-
- m_darkbg = luma (col) < 80;
- m_bgcolor = col;
- qglClearColor (col);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::refresh() {
- update();
- swapBuffers();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::hardRefresh() {
- g_vertexCompiler.compileFile();
- refresh();
-
- glLineWidth (gl_linethickness);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::resizeGL (int w, int h)
-{ m_width = w;
- m_height = h;
-
- calcCameraIcons();
-
- glViewport (0, 0, w, h);
- glMatrixMode (GL_PROJECTION);
- glLoadIdentity();
- gluPerspective (45.0f, (double) w / (double) h, 1.0f, 10000.0f);
- glMatrixMode (GL_MODELVIEW);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::drawGLScene()
-{ if (file() == null)
- return;
-
- if (gl_wireframe && !picking())
- glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
-
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glEnable (GL_DEPTH_TEST);
-
- if (m_camera != Free)
- { glMatrixMode (GL_PROJECTION);
- glPushMatrix();
-
- glLoadIdentity();
- glOrtho (-m_virtWidth, m_virtWidth, -m_virtHeight, m_virtHeight, -100.0f, 100.0f);
- glTranslatef (pan (X), pan (Y), 0.0f);
-
- if (m_camera != Front && m_camera != Back)
- { glRotatef (90.0f, g_FixedCameras[camera()].glrotate[0],
- g_FixedCameras[camera()].glrotate[1],
- g_FixedCameras[camera()].glrotate[2]);
- }
-
- // Back camera needs to be handled differently
- if (m_camera == GL::Back)
- { glRotatef (180.0f, 1.0f, 0.0f, 0.0f);
- glRotatef (180.0f, 0.0f, 0.0f, 1.0f);
- }
- }
- else
- { glMatrixMode (GL_MODELVIEW);
- glPushMatrix();
- glLoadIdentity();
-
- glTranslatef (0.0f, 0.0f, -2.0f);
- glTranslatef (pan (X), pan (Y), -zoom());
- glRotatef (rot (X), 1.0f, 0.0f, 0.0f);
- glRotatef (rot (Y), 0.0f, 1.0f, 0.0f);
- glRotatef (rot (Z), 0.0f, 0.0f, 1.0f);
- }
-
- // Draw the VAOs now
- glEnableClientState (GL_VERTEX_ARRAY);
- glEnableClientState (GL_COLOR_ARRAY);
- glDisableClientState (GL_NORMAL_ARRAY);
-
- if (gl_colorbfc) {
- glEnable (GL_CULL_FACE);
- glCullFace (GL_CCW);
- } else
- glDisable (GL_CULL_FACE);
-
- drawVAOs ((m_picking ? PickArray : gl_colorbfc ? BFCArray : MainArray), GL_TRIANGLES);
- drawVAOs ((m_picking ? EdgePickArray : EdgeArray), GL_LINES);
-
- // Draw conditional lines. Note that conditional lines are drawn into
- // EdgePickArray in the picking scene, so when picking, don't do anything
- // here.
- if (!m_picking) {
- glEnable (GL_LINE_STIPPLE);
- drawVAOs (CondEdgeArray, GL_LINES);
- glDisable (GL_LINE_STIPPLE);
- }
-
- glPopMatrix();
- glMatrixMode (GL_MODELVIEW);
- glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::drawVAOs (VAOType arrayType, GLenum type) {
- const VertexCompiler::Array* array = g_vertexCompiler.getMergedBuffer (arrayType);
- glVertexPointer (3, GL_FLOAT, sizeof (VertexCompiler::Vertex), &array->data()[0].x);
- glColorPointer (4, GL_UNSIGNED_BYTE, sizeof (VertexCompiler::Vertex), &array->data()[0].color);
- glDrawArrays (type, 0, array->writtenSize() / sizeof (VertexCompiler::Vertex));
-}
-
-// =============================================================================
-// This converts a 2D point on the screen to a 3D point in the model. If 'snap'
-// is true, the 3D point will snap to the current grid.
-// -----------------------------------------------------------------------------
-vertex GLRenderer::coordconv2_3 (const QPoint& pos2d, bool snap) const
-{ assert (camera() != Free);
-
- vertex pos3d;
- const LDFixedCameraInfo* cam = &g_FixedCameras[m_camera];
- const Axis axisX = cam->axisX;
- const Axis axisY = cam->axisY;
- const short negXFac = cam->negX ? -1 : 1,
- negYFac = cam->negY ? -1 : 1;
-
- // Calculate cx and cy - these are the LDraw unit coords the cursor is at.
- double cx = (-m_virtWidth + ((2 * pos2d.x() * m_virtWidth) / m_width) - pan (X));
- double cy = (m_virtHeight - ((2 * pos2d.y() * m_virtHeight) / m_height) - pan (Y));
-
- if (snap)
- { cx = Grid::snap (cx, (Grid::Config) axisX);
- cy = Grid::snap (cy, (Grid::Config) axisY);
- }
-
- cx *= negXFac;
- cy *= negYFac;
-
- str tmp;
- // Create the vertex from the coordinates
- pos3d[axisX] = tmp.sprintf ("%.3f", cx).toDouble();
- pos3d[axisY] = tmp.sprintf ("%.3f", cy).toDouble();
- pos3d[3 - axisX - axisY] = depthValue();
- return pos3d;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-// Inverse operation for the above - convert a 3D position to a 2D screen
-// position
-// -----------------------------------------------------------------------------
-QPoint GLRenderer::coordconv3_2 (const vertex& pos3d) const
-{ GLfloat m[16];
- const LDFixedCameraInfo* cam = &g_FixedCameras[m_camera];
- const Axis axisX = cam->axisX;
- const Axis axisY = cam->axisY;
- const short negXFac = cam->negX ? -1 : 1,
- negYFac = cam->negY ? -1 : 1;
-
- glGetFloatv (GL_MODELVIEW_MATRIX, m);
-
- const double x = pos3d.x();
- const double y = pos3d.y();
- const double z = pos3d.z();
-
- vertex transformed;
- transformed[X] = (m[0] * x) + (m[1] * y) + (m[2] * z) + m[3];
- transformed[Y] = (m[4] * x) + (m[5] * y) + (m[6] * z) + m[7];
- transformed[Z] = (m[8] * x) + (m[9] * y) + (m[10] * z) + m[11];
-
- double rx = (((transformed[axisX] * negXFac) + m_virtWidth + pan (X)) * m_width) / (2 * m_virtWidth);
- double ry = (((transformed[axisY] * negYFac) - m_virtHeight + pan (Y)) * m_height) / (2 * m_virtHeight);
-
- return QPoint (rx, -ry);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::paintEvent (QPaintEvent* ev)
-{ Q_UNUSED (ev)
-
- makeCurrent();
- m_virtWidth = zoom();
- m_virtHeight = (m_height * m_virtWidth) / m_width;
-
- initGLData();
- drawGLScene();
-
- const QPen textpen = getTextPen();
- const QBrush polybrush (QColor (64, 192, 0, 128));
- QPainter paint (this);
- QFontMetrics metrics = QFontMetrics (QFont());
- paint.setRenderHint (QPainter::HighQualityAntialiasing);
-
- // If we wish to only draw the brick, stop here
- if (drawOnly())
- return;
-
- if (m_camera != Free && !picking())
- { // Paint the overlay image if we have one
- const LDGLOverlay& overlay = m_overlays[m_camera];
-
- if (overlay.img != null)
- { QPoint v0 = coordconv3_2 (m_overlays[m_camera].v0),
- v1 = coordconv3_2 (m_overlays[m_camera].v1);
-
- QRect targRect (v0.x(), v0.y(), abs (v1.x() - v0.x()), abs (v1.y() - v0.y())),
- srcRect (0, 0, overlay.img->width(), overlay.img->height());
- paint.drawImage (targRect, *overlay.img, srcRect);
- }
-
- // Paint the coordinates onto the screen.
- str text = fmt (tr ("X: %1, Y: %2, Z: %3"), m_hoverpos[X], m_hoverpos[Y], m_hoverpos[Z]);
-
- QFontMetrics metrics = QFontMetrics (font());
- QRect textSize = metrics.boundingRect (0, 0, m_width, m_height, Qt::AlignCenter, text);
-
- paint.setPen (getTextPen());
- paint.drawText (m_width - textSize.width(), m_height - 16, textSize.width(),
- textSize.height(), Qt::AlignCenter, text);
-
- QPen linepen = m_thinBorderPen;
- linepen.setWidth (2);
- linepen.setColor (luma (m_bgcolor) < 40 ? Qt::white : Qt::black);
-
- // If we're drawing, draw the vertices onto the screen.
- if (editMode() == Draw)
- { int numverts = 4;
-
- if (!m_rectdraw)
- numverts = m_drawedVerts.size() + 1;
-
- if (numverts > 0)
- { QPoint poly[4];
- vertex polyverts[4];
-
- if (!m_rectdraw)
- { uchar i = 0;
-
- for (vertex& vert : m_drawedVerts)
- { poly[i] = coordconv3_2 (vert);
- polyverts[i] = vert;
- ++i;
- }
-
- // Draw the cursor vertex as the last one in the list.
- if (numverts <= 4)
- { poly[i] = coordconv3_2 (m_hoverpos);
- polyverts[i] = m_hoverpos;
- }
- else
- { numverts = 4;
- }
- }
- else
- { if (m_drawedVerts.size() > 0)
- { // Get vertex information from m_rectverts
- for (int i = 0; i < numverts; ++i)
- { polyverts[i] = m_rectverts[i];
- poly[i] = coordconv3_2 (polyverts[i]);
- }
- }
- else
- { poly[0] = coordconv3_2 (m_hoverpos);
- polyverts[0] = m_hoverpos;
- }
- }
-
- // Draw the polygon-to-be
- paint.setPen (linepen);
- paint.setBrush (polybrush);
- paint.drawPolygon (poly, numverts);
-
- // Draw vertex blips
- for (int i = 0; i < numverts; ++i)
- { QPoint& blip = poly[i];
- drawBlip (paint, blip);
-
- // Draw their coordinates
- paint.drawText (blip.x(), blip.y() - 8, polyverts[i].stringRep (true));
- }
- }
- }
- elif (editMode() == CircleMode)
- { // If we have not specified the center point of the circle yet, preview it on the screen.
- if (m_drawedVerts.isEmpty())
- drawBlip (paint, coordconv3_2 (m_hoverpos));
- else
- { QVector<vertex> verts, verts2;
- const double dist0 = circleDrawDist (0),
- dist1 = (m_drawedVerts.size() >= 2) ? circleDrawDist (1) : -1;
- const int segs = lores;
- const double angleUnit = (2 * pi) / segs;
- Axis relX, relY;
- QVector<QPoint> ringpoints, circlepoints, circle2points;
-
- getRelativeAxes (relX, relY);
-
- // Calculate the preview positions of vertices
- for (int i = 0; i < segs; ++i)
- { vertex v = g_origin;
- v[relX] = m_drawedVerts[0][relX] + (cos (i * angleUnit) * dist0);
- v[relY] = m_drawedVerts[0][relY] + (sin (i * angleUnit) * dist0);
- verts << v;
-
- if (dist1 != -1)
- { v[relX] = m_drawedVerts[0][relX] + (cos (i * angleUnit) * dist1);
- v[relY] = m_drawedVerts[0][relY] + (sin (i * angleUnit) * dist1);
- verts2 << v;
- }
- }
-
- int i = 0;
- for (const vertex& v : verts + verts2)
- { // Calculate the 2D point of the vertex
- QPoint point = coordconv3_2 (v);
-
- // Draw a green blip at where it is
- drawBlip (paint, point);
-
- // Add it to the list of points for the green ring fill.
- ringpoints << point;
-
- // Also add the circle points to separate lists
- if (i < verts.size())
- circlepoints << point;
- else
- circle2points << point;
-
- ++i;
- }
-
- // Insert the first point as the seventeenth one so that
- // the ring polygon is closed properly.
- if (ringpoints.size() >= 16)
- ringpoints.insert (16, ringpoints[0]);
-
- // Same for the outer ring. Note that the indices are offset by 1
- // because of the insertion done above bumps the values.
- if (ringpoints.size() >= 33)
- ringpoints.insert (33, ringpoints[17]);
-
- // Draw the ring
- paint.setBrush ((m_drawedVerts.size() >= 2) ? polybrush : Qt::NoBrush);
- paint.setPen (Qt::NoPen);
- paint.drawPolygon (QPolygon (ringpoints));
-
- // Draw the circles
- paint.setBrush (Qt::NoBrush);
- paint.setPen (linepen);
- paint.drawPolygon (QPolygon (circlepoints));
- paint.drawPolygon (QPolygon (circle2points));
-
- { // Draw the current radius in the middle of the circle.
- QPoint origin = coordconv3_2 (m_drawedVerts[0]);
- str label = str::number (dist0);
- paint.setPen (textpen);
- paint.drawText (origin.x() - (metrics.width (label) / 2), origin.y(), label);
-
- if (m_drawedVerts.size() >= 2)
- { label = str::number (dist1);
- paint.drawText (origin.x() - (metrics.width (label) / 2), origin.y() + metrics.height(), label);
- }
- }
- }
- }
- }
-
- // Camera icons
- if (!m_picking)
- { // Draw a background for the selected camera
- paint.setPen (m_thinBorderPen);
- paint.setBrush (QBrush (QColor (0, 128, 160, 128)));
- paint.drawRect (m_cameraIcons[camera()].selRect);
-
- // Draw the actual icons
- for (CameraIcon& info : m_cameraIcons)
- { // Don't draw the free camera icon when in draw mode
- if (&info == &m_cameraIcons[GL::Free] && editMode() != Select)
- continue;
-
- paint.drawPixmap (info.destRect, *info.img, info.srcRect);
- }
-
- str fmtstr = tr ("%1 Camera");
-
- // Draw a label for the current camera in the bottom left corner
- { const int margin = 4;
-
- str label;
- label = fmt (fmtstr, tr (g_CameraNames[camera()]));
- paint.setPen (textpen);
- paint.drawText (QPoint (margin, height() - (margin + metrics.descent())), label);
- }
-
- // Tool tips
- if (m_drawToolTip)
- { if (m_cameraIcons[m_toolTipCamera].destRect.contains (m_pos) == false)
- m_drawToolTip = false;
- else
- { str label = fmt (fmtstr, tr (g_CameraNames[m_toolTipCamera]));
- QToolTip::showText (m_globalpos, label);
- }
- }
- }
-
- // Message log
- if (msglog())
- { int y = 0;
- const int margin = 2;
- QColor penColor = getTextPen();
-
- for (const MessageManager::Line& line : msglog()->getLines())
- { penColor.setAlphaF (line.alpha);
- paint.setPen (penColor);
- paint.drawText (QPoint (margin, y + margin + metrics.ascent()), line.text);
- y += metrics.height();
- }
- }
-
- // If we're range-picking, draw a rectangle encompassing the selection area.
- if (m_rangepick && !m_picking && m_totalmove >= 10)
- { int x0 = m_rangeStart.x(),
- y0 = m_rangeStart.y(),
- x1 = m_pos.x(),
- y1 = m_pos.y();
-
- QRect rect (x0, y0, x1 - x0, y1 - y0);
- QColor fillColor = (m_addpick ? "#40FF00" : "#00CCFF");
- fillColor.setAlphaF (0.2f);
-
- paint.setPen (m_thickBorderPen);
- paint.setBrush (QBrush (fillColor));
- paint.drawRect (rect);
- }
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::drawBlip (QPainter& paint, QPoint pos) const
-{ QPen pen = m_thinBorderPen;
- const int blipsize = 8;
- pen.setWidth (1);
- paint.setPen (pen);
- paint.setBrush (QColor (64, 192, 0));
- paint.drawEllipse (pos.x() - blipsize / 2, pos.y() - blipsize / 2, blipsize, blipsize);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-QColor GLRenderer::getTextPen () const
-{ return m_darkbg ? Qt::white : Qt::black;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::compileAllObjects()
-{ g_vertexCompiler.compileFile();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::clampAngle (double& angle) const
-{ while (angle < 0)
- angle += 360.0;
-
- while (angle > 360.0)
- angle -= 360.0;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::addDrawnVertex (vertex pos)
-{ // If we picked an already-existing vertex, stop drawing
- if (editMode() != CircleMode)
- { for (vertex& vert : m_drawedVerts)
- { if (vert == pos)
- { endDraw (true);
- return;
- }
- }
- }
-
- m_drawedVerts << pos;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::mouseReleaseEvent (QMouseEvent* ev)
-{ const bool wasLeft = (m_lastButtons & Qt::LeftButton) && ! (ev->buttons() & Qt::LeftButton),
- wasRight = (m_lastButtons & Qt::RightButton) && ! (ev->buttons() & Qt::RightButton),
- wasMid = (m_lastButtons & Qt::MidButton) && ! (ev->buttons() & Qt::MidButton);
-
- if (m_panning)
- m_panning = false;
-
- if (wasLeft)
- { // Check if we selected a camera icon
- if (!m_rangepick)
- { for (CameraIcon & info : m_cameraIcons)
- { if (info.destRect.contains (ev->pos()))
- { setCamera (info.cam);
- goto end;
- }
- }
- }
-
- switch (editMode())
- {
- case Draw:
- { if (m_rectdraw)
- { if (m_drawedVerts.size() == 2)
- { endDraw (true);
- return;
- }
- }
- else
- { // If we have 4 verts, stop drawing.
- if (m_drawedVerts.size() >= 4)
- { endDraw (true);
- return;
- }
-
- if (m_drawedVerts.isEmpty() && ev->modifiers() & Qt::ShiftModifier)
- { m_rectdraw = true;
- updateRectVerts();
- }
- }
-
- addDrawnVertex (m_hoverpos);
- } break;
-
- case CircleMode:
- { if (m_drawedVerts.size() == 3)
- { endDraw (true);
- return;
- }
-
- addDrawnVertex (m_hoverpos);
- } break;
-
- case Select:
- { if (!drawOnly())
- { if (m_totalmove < 10)
- m_rangepick = false;
-
- if (!m_rangepick)
- m_addpick = (m_keymods & Qt::ControlModifier);
-
- if (m_totalmove < 10 || m_rangepick)
- pick (ev->x(), ev->y());
- }
- } break;
- }
-
- m_rangepick = false;
- }
-
- if (wasMid && editMode() != Select && m_drawedVerts.size() < 4 && m_totalmove < 10)
- { // Find the closest vertex to our cursor
- double mindist = 1024.0f;
- vertex closest;
- bool valid = false;
-
- QPoint curspos = coordconv3_2 (m_hoverpos);
-
- for (const vertex& pos3d: m_knownVerts)
- { QPoint pos2d = coordconv3_2 (pos3d);
-
- // Measure squared distance
- const double dx = abs (pos2d.x() - curspos.x()),
- dy = abs (pos2d.y() - curspos.y()),
- distsq = (dx * dx) + (dy * dy);
-
- if (distsq >= 1024.0f) // 32.0f ** 2
- continue; // too far away
-
- if (distsq < mindist)
- { mindist = distsq;
- closest = pos3d;
- valid = true;
-
- // If it's only 4 pixels away, I think we found our vertex now.
- if (distsq <= 16.0f) // 4.0f ** 2
- break;
- }
- }
-
- if (valid)
- addDrawnVertex (closest);
- }
-
- if (wasRight && !m_drawedVerts.isEmpty())
- { // Remove the last vertex
- m_drawedVerts.removeLast();
-
- if (m_drawedVerts.isEmpty())
- m_rectdraw = false;
- }
-
-end:
- update();
- m_totalmove = 0;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::mousePressEvent (QMouseEvent* ev)
-{ m_totalmove = 0;
-
- if (ev->modifiers() & Qt::ControlModifier)
- { m_rangepick = true;
- m_rangeStart.setX (ev->x());
- m_rangeStart.setY (ev->y());
- m_addpick = (m_keymods & Qt::AltModifier);
- ev->accept();
- }
-
- m_lastButtons = ev->buttons();
-}
-
-// =============================================================================
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-// =============================================================================
-void GLRenderer::mouseMoveEvent (QMouseEvent* ev)
-{ int dx = ev->x() - m_pos.x();
- int dy = ev->y() - m_pos.y();
- m_totalmove += abs (dx) + abs (dy);
-
- const bool left = ev->buttons() & Qt::LeftButton,
- mid = ev->buttons() & Qt::MidButton,
- shift = ev->modifiers() & Qt::ShiftModifier;
-
- if (mid || (left && shift))
- { pan (X) += 0.03f * dx * (zoom() / 7.5f);
- pan (Y) -= 0.03f * dy * (zoom() / 7.5f);
- m_panning = true;
- } elif (left && !m_rangepick && camera() == Free)
- { rot (X) = rot (X) + dy;
- rot (Y) = rot (Y) + dx;
-
- clampAngle (rot (X));
- clampAngle (rot (Y));
- }
-
- // Start the tool tip timer
- if (!m_drawToolTip)
- m_toolTipTimer->start (500);
-
- // Update 2d position
- m_pos = ev->pos();
- m_globalpos = ev->globalPos();
-
- // Calculate 3d position of the cursor
- m_hoverpos = (camera() != Free) ? coordconv2_3 (m_pos, true) : g_origin;
-
- // Update rect vertices since m_hoverpos may have changed
- updateRectVerts();
-
- update();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::keyPressEvent (QKeyEvent* ev)
-{ m_keymods = ev->modifiers();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::keyReleaseEvent (QKeyEvent* ev)
-{ m_keymods = ev->modifiers();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::wheelEvent (QWheelEvent* ev)
-{ makeCurrent();
-
- zoomNotch (ev->delta() > 0);
- zoom() = clamp (zoom(), 0.01, 10000.0);
-
- update();
- ev->accept();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::leaveEvent (QEvent* ev)
-{ (void) ev;
- m_drawToolTip = false;
- m_toolTipTimer->stop();
- update();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::contextMenuEvent (QContextMenuEvent* ev)
-{ g_win->spawnContextMenu (ev->globalPos());
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::setCamera (const GL::Camera cam)
-{ m_camera = cam;
- gl_camera = (int) cam;
- g_win->updateEditModeActions();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::pick (int mouseX, int mouseY)
-{ GLint viewport[4];
- makeCurrent();
-
- // Use particularly thick lines while picking ease up selecting lines.
- glLineWidth (max<double> (gl_linethickness, 6.5f));
-
- // Clear the selection if we do not wish to add to it.
- if (!m_addpick)
- { QList<LDObject*> oldsel = selection();
- LDFile::current()->clearSelection();
-
- for (LDObject* obj : oldsel)
- compileObject (obj);
- }
-
- m_picking = true;
-
- // Paint the picking scene
- glDisable (GL_DITHER);
- glClearColor (1.0f, 1.0f, 1.0f, 1.0f);
-
- drawGLScene();
-
- glGetIntegerv (GL_VIEWPORT, viewport);
-
- short x0 = mouseX,
- y0 = mouseY;
- short x1, y1;
-
- // Determine how big an area to read - with range picking, we pick by
- // the area given, with single pixel picking, we use an 1 x 1 area.
- if (m_rangepick)
- { x1 = m_rangeStart.x();
- y1 = m_rangeStart.y();
- }
- else
- { x1 = x0 + 1;
- y1 = y0 + 1;
- }
-
- // x0 and y0 must be less than x1 and y1, respectively.
- if (x0 > x1)
- dataswap (x0, x1);
-
- if (y0 > y1)
- dataswap (y0, y1);
-
- // Clamp the values to ensure they're within bounds
- x0 = max<short> (0, x0);
- y0 = max<short> (0, y0);
- x1 = min<short> (x1, m_width);
- y1 = min<short> (y1, m_height);
-
- const short areawidth = (x1 - x0);
- const short areaheight = (y1 - y0);
- const long numpixels = areawidth * areaheight;
-
- // Allocate space for the pixel data.
- uchar* const pixeldata = new uchar[4 * numpixels];
- uchar* pixelptr = &pixeldata[0];
-
- assert (viewport[3] == m_height);
-
- // Read pixels from the color buffer.
- glReadPixels (x0, viewport[3] - y1, areawidth, areaheight, GL_RGBA, GL_UNSIGNED_BYTE, pixeldata);
-
- LDObject* removedObj = null;
-
- // Go through each pixel read and add them to the selection.
- for (long i = 0; i < numpixels; ++i)
- { long idx =
- (* (pixelptr + 0) * 0x10000) +
- (* (pixelptr + 1) * 0x00100) +
- (* (pixelptr + 2) * 0x00001);
- pixelptr += 4;
-
- if (idx == 0xFFFFFF)
- continue; // White is background; skip
-
- LDObject* obj = LDObject::fromID (idx);
-
- // If this is an additive single pick and the object is currently selected,
- // we remove it from selection instead.
- if (!m_rangepick && m_addpick)
- { if (obj->selected())
- { obj->unselect();
- removedObj = obj;
- break;
- }
- }
-
- obj->select();
- }
-
- delete[] pixeldata;
-
- // Update everything now.
- g_win->updateSelection();
-
- // Recompile the objects now to update their color
- for (LDObject* obj : selection())
- compileObject (obj);
-
- if (removedObj)
- compileObject (removedObj);
-
- // Restore line thickness
- glLineWidth (gl_linethickness);
-
- m_picking = false;
- m_rangepick = false;
- glEnable (GL_DITHER);
-
- setBackground();
- repaint();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-READ_ACCESSOR (EditMode, GLRenderer::editMode)
-{ return m_editMode;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-SET_ACCESSOR (EditMode, GLRenderer::setEditMode)
-{ m_editMode = val;
-
- switch (editMode())
- { case Select:
- { unsetCursor();
- setContextMenuPolicy (Qt::DefaultContextMenu);
- } break;
-
- case Draw:
- case CircleMode:
- { // Cannot draw into the free camera - use top instead.
- if (m_camera == Free)
- setCamera (Top);
-
- // Disable the context menu - we need the right mouse button
- // for removing vertices.
- setContextMenuPolicy (Qt::NoContextMenu);
-
- // Use the crosshair cursor when drawing.
- setCursor (Qt::CrossCursor);
-
- // Clear the selection when beginning to draw.
- QList<LDObject*> priorsel = selection();
- LDFile::current()->clearSelection();
-
- for (LDObject* obj : priorsel)
- compileObject (obj);
-
- g_win->updateSelection();
- m_drawedVerts.clear();
- } break;
- }
-
- g_win->updateEditModeActions();
- update();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-READ_ACCESSOR (LDFile*, GLRenderer::file)
-{ return m_file;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-SET_ACCESSOR (LDFile*, GLRenderer::setFile) {
- m_file = val;
- g_vertexCompiler.setFile (val);
-
- if (val != null)
- overlaysFromObjects();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-matrix GLRenderer::getCircleDrawMatrix (double scale)
-{ matrix transform = g_circleDrawTransforms[camera() % 3];
-
- for (int i = 0; i < 9; ++i)
- { if (transform[i] == 2)
- transform[i] = scale;
- elif (transform[i] == 1 && camera() >= 3)
- transform[i] = -1;
- }
-
- return transform;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::endDraw (bool accept)
-{ (void) accept;
-
- // Clean the selection and create the object
- QList<vertex>& verts = m_drawedVerts;
- QList<LDObject*> objs;
-
- switch (editMode())
- { case Draw:
- { if (m_rectdraw)
- { LDQuad* quad = new LDQuad;
-
- // Copy the vertices from m_rectverts
- updateRectVerts();
-
- for (int i = 0; i < quad->vertices(); ++i)
- quad->setVertex (i, m_rectverts[i]);
-
- quad->setColor (maincolor);
- objs << quad;
- }
- else
- { switch (verts.size())
- { case 1:
- { // 1 vertex - add a vertex object
- LDVertex* obj = new LDVertex;
- obj->pos = verts[0];
- obj->setColor (maincolor);
- objs << obj;
- } break;
-
- case 2:
- { // 2 verts - make a line
- LDLine* obj = new LDLine (verts[0], verts[1]);
- obj->setColor (edgecolor);
- objs << obj;
- } break;
-
- case 3:
- case 4:
- { LDObject* obj = (verts.size() == 3) ?
- static_cast<LDObject*> (new LDTriangle) :
- static_cast<LDObject*> (new LDQuad);
-
- obj->setColor (maincolor);
-
- for (int i = 0; i < obj->vertices(); ++i)
- obj->setVertex (i, verts[i]);
-
- objs << obj;
- } break;
- }
- }
- } break;
-
- case CircleMode:
- { const int segs = lores, divs = lores; // TODO: make customizable
- double dist0 = circleDrawDist (0),
- dist1 = circleDrawDist (1);
- LDFile* refFile = null;
- matrix transform;
- bool circleOrDisc = false;
-
- if (dist1 < dist0)
- std::swap<double> (dist0, dist1);
-
- if (dist0 == dist1)
- { // If the radii are the same, there's no ring space to fill. Use a circle.
- refFile = getFile ("4-4edge.dat");
- transform = getCircleDrawMatrix (dist0);
- circleOrDisc = true;
- }
- elif (dist0 == 0 || dist1 == 0)
- { // If either radii is 0, use a disc.
- refFile = getFile ("4-4disc.dat");
- transform = getCircleDrawMatrix ((dist0 != 0) ? dist0 : dist1);
- circleOrDisc = true;
- }
- elif (g_RingFinder (dist0, dist1))
- { // The ring finder found a solution, use that. Add the component rings to the file.
- for (const RingFinder::Component& cmp : g_RingFinder.bestSolution()->components())
- { if ((refFile = getFile (radialFileName (::Ring, lores, lores, cmp.num))) == null)
- { refFile = generatePrimitive (::Ring, lores, lores, cmp.num);
- refFile->setImplicit (false);
- }
-
- LDSubfile* ref = new LDSubfile;
- ref->setFileInfo (refFile);
- ref->setTransform (getCircleDrawMatrix (cmp.scale));
- ref->setPosition (m_drawedVerts[0]);
- ref->setColor (maincolor);
- objs << ref;
- }
- }
- else
- { // Last resort: draw the ring with quads
- QList<QLineF> c0, c1;
- Axis relX, relY, relZ;
- getRelativeAxes (relX, relY);
- relZ = (Axis) (3 - relX - relY);
- double x0 = m_drawedVerts[0][relX],
- y0 = m_drawedVerts[0][relY];
-
- vertex templ;
- templ[relX] = x0;
- templ[relY] = y0;
- templ[relZ] = depthValue();
-
- // Calculate circle coords
- makeCircle (segs, divs, dist0, c0);
- makeCircle (segs, divs, dist1, c1);
-
- for (int i = 0; i < segs; ++i)
- { vertex v0, v1, v2, v3;
- v0 = v1 = v2 = v3 = templ;
- v0[relX] += c0[i].x1();
- v0[relY] += c0[i].y1();
- v1[relX] += c0[i].x2();
- v1[relY] += c0[i].y2();
- v2[relX] += c1[i].x2();
- v2[relY] += c1[i].y2();
- v3[relX] += c1[i].x1();
- v3[relY] += c1[i].y1();
-
- LDQuad* q = new LDQuad (v0, v1, v2, v3);
- q->setColor (maincolor);
-
- // Ensure the quads always are BFC-front towards the camera
- if (camera() % 3 <= 0)
- q->invert();
-
- objs << q;
- }
- }
-
- if (circleOrDisc)
- { LDSubfile* ref = new LDSubfile;
- ref->setFileInfo (refFile);
- ref->setTransform (transform);
- ref->setPosition (m_drawedVerts[0]);
- ref->setColor (maincolor);
- objs << ref;
- }
- } break;
-
- case Select:
- { assert (false);
- return;
- } break;
- }
-
- if (objs.size() > 0)
- { g_win->beginAction (null);
-
- for (LDObject* obj : objs)
- { file()->addObject (obj);
- compileObject (obj);
- }
-
- g_win->refresh();
- g_win->endAction();
- }
-
- m_drawedVerts.clear();
- m_rectdraw = false;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-double GLRenderer::circleDrawDist (int pos) const
-{ assert (m_drawedVerts.size() >= pos + 1);
- const vertex& v1 = (m_drawedVerts.size() >= pos + 2) ? m_drawedVerts[pos + 1] : m_hoverpos;
- Axis relX, relY;
- getRelativeAxes (relX, relY);
-
- const double dx = m_drawedVerts[0][relX] - v1[relX];
- const double dy = m_drawedVerts[0][relY] - v1[relY];
- return sqrt ((dx * dx) + (dy * dy));
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::getRelativeAxes (Axis& relX, Axis& relY) const
-{ const LDFixedCameraInfo* cam = &g_FixedCameras[m_camera];
- relX = cam->axisX;
- relY = cam->axisY;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-static QList<vertex> getVertices (LDObject* obj)
-{ QList<vertex> verts;
-
- if (obj->vertices() >= 2)
- { for (int i = 0; i < obj->vertices(); ++i)
- verts << obj->getVertex (i);
- } elif (obj->getType() == LDObject::Subfile)
- { LDSubfile* ref = static_cast<LDSubfile*> (obj);
- QList<LDObject*> objs = ref->inlineContents (LDSubfile::DeepCacheInline);
-
- for (LDObject* obj : objs)
- { verts << getVertices (obj);
- delete obj;
- }
- }
-
- return verts;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::compileObject (LDObject* obj) {
- g_vertexCompiler.stageForCompilation (obj);
- obj->m_glinit = true;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-uchar* GLRenderer::screencap (int& w, int& h)
-{ w = m_width;
- h = m_height;
- uchar* cap = new uchar[4 * w * h];
-
- m_screencap = true;
- update();
- m_screencap = false;
-
- // Capture the pixels
- glReadPixels (0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, cap);
-
- return cap;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::slot_toolTipTimer()
-{ // We come here if the cursor has stayed in one place for longer than a
- // a second. Check if we're holding it over a camera icon - if so, draw
- // a tooltip.
-for (CameraIcon & icon : m_cameraIcons)
- { if (icon.destRect.contains (m_pos))
- { m_toolTipCamera = icon.cam;
- m_drawToolTip = true;
- update();
- break;
- }
- }
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::deleteLists (LDObject* obj)
-{ // Delete the lists but only if they have been initialized
- if (!obj->m_glinit)
- return;
-
-for (const GL::ListType listType : g_glListTypes)
- glDeleteLists (obj->glLists[listType], 1);
-
- obj->m_glinit = false;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-Axis GLRenderer::cameraAxis (bool y, GL::Camera camid)
-{ if (camid == (GL::Camera) - 1)
- camid = m_camera;
-
- const LDFixedCameraInfo* cam = &g_FixedCameras[camid];
- return (y) ? cam->axisY : cam->axisX;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-bool GLRenderer::setupOverlay (GL::Camera cam, str file, int x, int y, int w, int h)
-{ QImage* img = new QImage (file);
- LDGLOverlay& info = getOverlay (cam);
-
- if (img->isNull())
- { critical (tr ("Failed to load overlay image!"));
- delete img;
- return false;
- }
-
- delete info.img; // delete the old image
-
- info.fname = file;
- info.lw = w;
- info.lh = h;
- info.ox = x;
- info.oy = y;
- info.img = img;
-
- if (info.lw == 0)
- info.lw = (info.lh * img->width()) / img->height();
- elif (info.lh == 0)
- info.lh = (info.lw * img->height()) / img->width();
-
- const Axis x2d = cameraAxis (false, cam),
- y2d = cameraAxis (true, cam);
- const double negXFac = g_FixedCameras[cam].negX ? -1 : 1,
- negYFac = g_FixedCameras[cam].negY ? -1 : 1;
-
- info.v0 = info.v1 = g_origin;
- info.v0[x2d] = - (info.ox * info.lw * negXFac) / img->width();
- info.v0[y2d] = (info.oy * info.lh * negYFac) / img->height();
- info.v1[x2d] = info.v0[x2d] + info.lw;
- info.v1[y2d] = info.v0[y2d] + info.lh;
-
- // Set alpha of all pixels to 0.5
- for (long i = 0; i < img->width(); ++i)
- for (long j = 0; j < img->height(); ++j)
- { uint32 pixel = img->pixel (i, j);
- img->setPixel (i, j, 0x80000000 | (pixel & 0x00FFFFFF));
- }
-
- updateOverlayObjects();
- return true;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::clearOverlay()
-{ if (camera() == Free)
- return;
-
- LDGLOverlay& info = m_overlays[camera()];
- delete info.img;
- info.img = null;
-
- updateOverlayObjects();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::setDepthValue (double depth)
-{ assert (camera() < Free);
- m_depthValues[camera()] = depth;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-double GLRenderer::depthValue() const
-{ assert (camera() < Free);
- return m_depthValues[camera()];
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-const char* GLRenderer::cameraName() const
-{ return g_CameraNames[camera()];
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-LDGLOverlay& GLRenderer::getOverlay (int newcam)
-{ return m_overlays[newcam];
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::zoomNotch (bool inward)
-{ if (zoom() > 15)
- zoom() *= inward ? 0.833f : 1.2f;
- else
- zoom() += inward ? -1.2f : 1.2f;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::zoomToFit()
-{ if (file() == null || m_width == -1 || m_height == -1)
- { zoom() = 30.0f;
- return;
- }
-
- bool lastfilled = false;
- bool firstrun = true;
- const uint32 white = 0xFFFFFFFF;
- bool inward = true;
- const int w = m_width, h = m_height;
-
- glClearColor (1.0, 1.0, 1.0, 1.0);
- glDisable (GL_DITHER);
-
- // Use the pick list while drawing the scene, this way we can tell whether borders
- // are background or not.
- m_picking = true;
-
- for (;;)
- { if (zoom() > 10000.0 || zoom() < 0.0)
- { // Obviously, there's nothing to draw if we get here.
- // Default to 30.0f and break out.
- zoom() = 30.0;
- break;
- }
-
- zoomNotch (inward);
-
- uchar* cap = new uchar[4 * w * h];
- drawGLScene();
- glReadPixels (0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, cap);
- uint32* imgdata = reinterpret_cast<uint32*> (cap);
- bool filled = false;
-
- // Check the top and bottom rows
- for (int i = 0; i < w && !filled; ++i)
- if (imgdata[i] != white || imgdata[((h - 1) * w) + i] != white)
- filled = true;
-
- // Left and right edges
- for (int i = 0; i < h && !filled; ++i)
- if (imgdata[i * w] != white || imgdata[(i * w) + w - 1] != white)
- filled = true;
-
- delete[] cap;
-
- if (firstrun)
- { // If this is the first run, we don't know enough to determine
- // whether the zoom was to fit, so we mark in our knowledge so
- // far and start over.
- inward = !filled;
- firstrun = false;
- }
- else
- { // If this run filled the screen and the last one did not, the
- // last run had ideal zoom - zoom a bit back and we should reach it.
- if (filled && !lastfilled)
- { zoomNotch (false);
- break;
- }
-
- // If this run did not fill the screen and the last one did, we've
- // now reached ideal zoom so we're done here.
- if (!filled && lastfilled)
- break;
-
- inward = !filled;
- }
-
- lastfilled = filled;
- }
-
- setBackground();
- m_picking = false;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::zoomAllToFit()
-{ Camera oldcam = camera();
-
- for (int i = 0; i < 7; ++i)
- { setCamera ((Camera) i);
- zoomToFit();
- }
-
- setCamera (oldcam);
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::updateRectVerts()
-{ if (!m_rectdraw)
- return;
-
- if (m_drawedVerts.isEmpty())
- { for (int i = 0; i < 4; ++i)
- m_rectverts[i] = m_hoverpos;
-
- return;
- }
-
- vertex v0 = m_drawedVerts[0],
- v1 = (m_drawedVerts.size() >= 2) ? m_drawedVerts[1] : m_hoverpos;
-
- const Axis ax = cameraAxis (false),
- ay = cameraAxis (true),
- az = (Axis) (3 - ax - ay);
-
- for (int i = 0; i < 4; ++i)
- m_rectverts[i][az] = depthValue();
-
- m_rectverts[0][ax] = v0[ax];
- m_rectverts[0][ay] = v0[ay];
- m_rectverts[1][ax] = v1[ax];
- m_rectverts[1][ay] = v0[ay];
- m_rectverts[2][ax] = v1[ax];
- m_rectverts[2][ay] = v1[ay];
- m_rectverts[3][ax] = v0[ax];
- m_rectverts[3][ay] = v1[ay];
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::mouseDoubleClickEvent (QMouseEvent* ev)
-{ if (! (ev->buttons() & Qt::LeftButton) || editMode() != Select)
- return;
-
- pick (ev->x(), ev->y());
-
- if (selection().isEmpty())
- return;
-
- g_win->beginAction (null);
- LDObject* obj = selection().first();
- AddObjectDialog::staticDialog (obj->getType(), obj);
- g_win->endAction();
- ev->accept();
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-LDOverlay* GLRenderer::findOverlayObject (GLRenderer::Camera cam)
-{ LDOverlay* ovlobj = null;
-
- for (LDObject * obj : file()->objects())
- { if (obj->getType() == LDObject::Overlay && static_cast<LDOverlay*> (obj)->camera() == cam)
- { ovlobj = static_cast<LDOverlay*> (obj);
- break;
- }
- }
-
- return ovlobj;
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-// Read in overlays from the current file and update overlay info accordingly.
-// -----------------------------------------------------------------------------
-void GLRenderer::overlaysFromObjects()
-{ for (Camera cam : g_Cameras)
- { if (cam == Free)
- continue;
-
- LDGLOverlay& meta = m_overlays[cam];
- LDOverlay* ovlobj = findOverlayObject (cam);
-
- if (!ovlobj && meta.img)
- { delete meta.img;
- meta.img = null;
- } elif (ovlobj && (!meta.img || meta.fname != ovlobj->filename()))
- setupOverlay (cam, ovlobj->filename(), ovlobj->x(), ovlobj->y(), ovlobj->width(), ovlobj->height());
- }
-}
-
-// =============================================================================
-// -----------------------------------------------------------------------------
-void GLRenderer::updateOverlayObjects()
-{ for (Camera cam : g_Cameras)
- { if (cam == Free)
- continue;
-
- LDGLOverlay& meta = m_overlays[cam];
- LDOverlay* ovlobj = findOverlayObject (cam);
-
- if (!meta.img && ovlobj)
- { // If this is the last overlay image, we need to remove the empty space after it as well.
- LDObject* nextobj = ovlobj->next();
-
- if (nextobj && nextobj->getType() == LDObject::Empty)
- { m_file->forgetObject (nextobj);
- delete nextobj;
- }
-
- // If the overlay object was there and the overlay itself is
- // not, remove the object.
- m_file->forgetObject (ovlobj);
- delete ovlobj;
- } elif (meta.img && !ovlobj)
- { // Inverse case: image is there but the overlay object is
- // not, thus create the object.
- ovlobj = new LDOverlay;
-
- // Find a suitable position to place this object. We want to place
- // this into the header, which is everything up to the first scemantic
- // object. If we find another overlay object, place this object after
- // the last one found. Otherwise, place it before the first schemantic
- // object and put an empty object after it (though don't do this if
- // there was no schemantic elements at all)
- int i, lastOverlay = -1;
- bool found = false;
-
- for (i = 0; i < file()->numObjs(); ++i)
- { LDObject* obj = file()->obj (i);
-
- if (obj->isScemantic())
- { found = true;
- break;
- }
-
- if (obj->getType() == LDObject::Overlay)
- lastOverlay = i;
- }
-
- if (lastOverlay != -1)
- file()->insertObj (lastOverlay + 1, ovlobj);
- else
- { file()->insertObj (i, ovlobj);
-
- if (found)
- file()->insertObj (i + 1, new LDEmpty);
- }
- }
-
- if (meta.img && ovlobj)
- { ovlobj->setCamera (cam);
- ovlobj->setFilename (meta.fname);
- ovlobj->setX (meta.ox);
- ovlobj->setY (meta.oy);
- ovlobj->setWidth (meta.lw);
- ovlobj->setHeight (meta.lh);
- }
- }
-
- if (g_win->R() == this)
- g_win->refresh();
-}