--- a/src/GLRenderer.cc Wed Mar 12 16:21:49 2014 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,2080 +0,0 @@
-/*
- * LDForge: LDraw parts authoring CAD
- * Copyright (C) 2013, 2014 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/>.
- */
-
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glu.h>
-#include <GL/glext.h>
-#include <QGLWidget>
-#include <QWheelEvent>
-#include <QMouseEvent>
-#include <QContextMenuEvent>
-#include <QInputDialog>
-#include <QToolTip>
-#include <qtextdocument.h>
-#include <QTimer>
-#include "Main.h"
-#include "Configuration.h"
-#include "Document.h"
-#include "GLRenderer.h"
-#include "Colors.h"
-#include "MainWindow.h"
-#include "Misc.h"
-#include "EditHistory.h"
-#include "Dialogs.h"
-#include "AddObjectDialog.h"
-#include "MessageLog.h"
-#include "GLCompiler.h"
-#include "Primitives.h"
-#include "misc/RingFinder.h"
-
-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 },
-};
-
-// Matrix templates for circle drawing. 2 is substituted with
-// the scale value, 1 is inverted to -1 if needed.
-static const Matrix g_circleDrawMatrixTemplates[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, "#FFFFFF")
-cfg (String, gl_maincolor, "#A0A0A0")
-cfg (Float, gl_maincolor_alpha, 1.0)
-cfg (Int, gl_linethickness, 2)
-cfg (Bool, gl_colorbfc, false)
-cfg (Int, gl_camera, GLRenderer::EFreeCamera)
-cfg (Bool, gl_blackedges, false)
-cfg (Bool, gl_axes, false)
-cfg (Bool, gl_wireframe, false)
-cfg (Bool, gl_logostuds, false)
-cfg (Bool, gl_aa, true)
-cfg (Bool, gl_linelengths, true)
-cfg (Bool, gl_drawangles, false)
-
-// 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::EFixedCamera g_Cameras[7] =
-{
- GL::ETopCamera,
- GL::EFrontCamera,
- GL::ELeftCamera,
- GL::EBottomCamera,
- GL::EBackCamera,
- GL::ERightCamera,
- GL::EFreeCamera
-};
-
-struct LDGLAxis
-{
- const QColor col;
- const Vertex vert;
-};
-
-// Definitions for visual axes, drawn on the screen
-static const LDGLAxis g_GLAxes[3] =
-{
- { QColor (255, 0, 0), Vertex (10000, 0, 0) }, // X
- { QColor (80, 192, 0), Vertex (0, 10000, 0) }, // Y
- { QColor (0, 160, 192), Vertex (0, 0, 10000) }, // Z
-};
-
-static GLuint g_GLAxes_VBO;
-static GLuint g_GLAxes_ColorVBO;
-
-// =============================================================================
-//
-GLRenderer::GLRenderer (QWidget* parent) : QGLWidget (parent)
-{
- m_isPicking = m_rangepick = false;
- m_camera = (EFixedCamera) gl_camera;
- m_drawToolTip = false;
- m_editMode = ESelectMode;
- m_rectdraw = false;
- m_panning = false;
- m_compiler = new GLCompiler;
- setDocument (null);
- setDrawOnly (false);
- setMessageLog (null);
- m_width = m_height = -1;
- m_hoverpos = g_origin;
- m_compiler = new GLCompiler;
- 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::EFixedCamera cam : g_Cameras)
- {
- QString iconname = format ("camera-%1", tr (g_CameraNames[cam]).toLower());
-
- CameraIcon* info = &m_cameraIcons[cam];
- info->img = new QPixmap (getIcon (iconname));
- info->cam = cam;
- }
-
- calcCameraIcons();
-}
-
-// =============================================================================
-//
-GLRenderer::~GLRenderer()
-{
- for (int i = 0; i < 6; ++i)
- delete currentDocumentData().overlays[i].img;
-
- for (CameraIcon& info : m_cameraIcons)
- delete info.img;
-
- delete m_compiler;
-}
-
-// =============================================================================
-// 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 != EFreeCamera ? 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()
-{
- EFixedCamera oldcam = camera();
-
- for (int i = 0; i < 7; ++i)
- {
- setCamera ((EFixedCamera) i);
- resetAngles();
- }
-
- setCamera (oldcam);
-}
-
-// =============================================================================
-//
-void GLRenderer::initializeGL()
-{
- setBackground();
- glLineWidth (gl_linethickness);
- glLineStipple (1, 0x6666);
- setAutoFillBackground (false);
- setMouseTracking (true);
- setFocusPolicy (Qt::WheelFocus);
- compiler()->initialize();
- initializeAxes();
-}
-
-// =============================================================================
-//
-void GLRenderer::initializeAxes()
-{
- float axesdata[18];
- float colordata[18];
- memset (axesdata, 0, sizeof axesdata);
-
- for (int i = 0; i < 3; ++i)
- {
- for (int j = 0; j < 3; ++j)
- {
- axesdata[(i * 6) + j] = g_GLAxes[i].vert.getCoordinate (j);
- axesdata[(i * 6) + 3 + j] = -g_GLAxes[i].vert.getCoordinate (j);
- }
-
- for (int j = 0; j < 2; ++j)
- {
- colordata[(i * 6) + (j * 3) + 0] = g_GLAxes[i].col.red();
- colordata[(i * 6) + (j * 3) + 1] = g_GLAxes[i].col.green();
- colordata[(i * 6) + (j * 3) + 2] = g_GLAxes[i].col.blue();
- }
- }
-
- glGenBuffers (1, &g_GLAxes_VBO);
- glBindBuffer (GL_ARRAY_BUFFER, g_GLAxes_VBO);
- glBufferData (GL_ARRAY_BUFFER, sizeof axesdata, axesdata, GL_STATIC_DRAW);
- glGenBuffers (1, &g_GLAxes_ColorVBO);
- glBindBuffer (GL_ARRAY_BUFFER, g_GLAxes_ColorVBO);
- glBufferData (GL_ARRAY_BUFFER, sizeof colordata, colordata, GL_STATIC_DRAW);
- glBindBuffer (GL_ARRAY_BUFFER, 0);
-}
-
-// =============================================================================
-//
-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()
-{
- compiler()->compileDocument (getCurrentDocument());
- refresh();
- glLineWidth (gl_linethickness); // TODO: ...?
-}
-
-// =============================================================================
-//
-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 (document() == null)
- return;
-
- if (gl_wireframe && !isPicking())
- glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
-
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glEnable (GL_DEPTH_TEST);
-
- if (camera() != EFreeCamera)
- {
- 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 (camera() != EFrontCamera && camera() != EBackCamera)
- {
- 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 (camera() == EBackCamera)
- {
- 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);
- }
-
- glEnableClientState (GL_VERTEX_ARRAY);
- glEnableClientState (GL_COLOR_ARRAY);
-
- if (isPicking())
- {
- drawVBOs (VBOSF_Triangles, VBOCM_PickColors, GL_TRIANGLES);
- drawVBOs (VBOSF_Quads, VBOCM_PickColors, GL_QUADS);
- drawVBOs (VBOSF_Lines, VBOCM_PickColors, GL_LINES);
- drawVBOs (VBOSF_CondLines, VBOCM_PickColors, GL_LINES);
- }
- else
- {
- if (gl_colorbfc)
- {
- glEnable (GL_CULL_FACE);
- glCullFace (GL_BACK);
- drawVBOs (VBOSF_Triangles, VBOCM_BFCFrontColors, GL_TRIANGLES);
- drawVBOs (VBOSF_Quads, VBOCM_BFCFrontColors, GL_QUADS);
- glCullFace (GL_FRONT);
- drawVBOs (VBOSF_Triangles, VBOCM_BFCBackColors, GL_TRIANGLES);
- drawVBOs (VBOSF_Quads, VBOCM_BFCBackColors, GL_QUADS);
- glDisable (GL_CULL_FACE);
- }
- else
- {
- drawVBOs (VBOSF_Triangles, VBOCM_NormalColors, GL_TRIANGLES);
- drawVBOs (VBOSF_Quads, VBOCM_NormalColors, GL_QUADS);
- }
-
- drawVBOs (VBOSF_Lines, VBOCM_NormalColors, GL_LINES);
- drawVBOs (VBOSF_CondLines, VBOCM_NormalColors, GL_LINES);
-
- if (gl_axes)
- {
- glBindBuffer (GL_ARRAY_BUFFER, g_GLAxes_VBO);
- glVertexPointer (3, GL_FLOAT, 0, NULL);
- glBindBuffer (GL_ARRAY_BUFFER, g_GLAxes_VBO);
- glColorPointer (3, GL_FLOAT, 0, NULL);
- glDrawArrays (GL_LINES, 0, 6);
- checkGLError();
- }
- }
-
- glPopMatrix();
- glBindBuffer (GL_ARRAY_BUFFER, 0);
- glDisableClientState (GL_VERTEX_ARRAY);
- glDisableClientState (GL_COLOR_ARRAY);
- checkGLError();
- glDisable (GL_CULL_FACE);
- glMatrixMode (GL_MODELVIEW);
- glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
-}
-
-// =============================================================================
-//
-void GLRenderer::drawVBOs (EVBOSurface surface, EVBOComplement colors, GLenum type)
-{
- int surfacenum = m_compiler->vboNumber (surface, VBOCM_Surfaces);
- int colornum = m_compiler->vboNumber (surface, colors);
-
- m_compiler->prepareVBO (surfacenum);
- m_compiler->prepareVBO (colornum);
- GLuint surfacevbo = m_compiler->vbo (surfacenum);
- GLuint colorvbo = m_compiler->vbo (colornum);
- GLsizei count = m_compiler->vboCount (surfacevbo);
-
- if (count > 0)
- {
- glBindBuffer (GL_ARRAY_BUFFER, surfacevbo);
- glVertexPointer (3, GL_FLOAT, 0, null);
- checkGLError();
- glBindBuffer (GL_ARRAY_BUFFER, colorvbo);
- glColorPointer (4, GL_FLOAT, 0, null);
- checkGLError();
- glDrawArrays (type, 0, count);
- checkGLError();
- }
-}
-
-// =============================================================================
-// 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() != EFreeCamera);
-
- Vertex pos3d;
- const LDFixedCameraInfo* cam = &g_FixedCameras[camera()];
- const Axis axisX = cam->axisX;
- const Axis axisY = cam->axisY;
- const int 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;
-
- roundToDecimals (cx, 4);
- roundToDecimals (cy, 4);
-
- // Create the vertex from the coordinates
- pos3d[axisX] = cx;
- pos3d[axisY] = cy;
- pos3d[3 - axisX - axisY] = getDepthValue();
- return pos3d;
-}
-
-// =============================================================================
-//
-// Inverse operation for the above - convert a 3D position to a 2D screen
-// position. Don't ask me how this code manages to work, I don't even know.
-//
-QPoint GLRenderer::coordconv3_2 (const Vertex& pos3d) const
-{
- GLfloat m[16];
- const LDFixedCameraInfo* cam = &g_FixedCameras[camera()];
- const Axis axisX = cam->axisX;
- const Axis axisY = cam->axisY;
- const int 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 (m_darkbg ? Qt::white : Qt::black);
- 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 (isDrawOnly())
- return;
-
-#ifndef RELEASE
- if (isPicking() == false)
- {
- QString text = format ("Rotation: (%1, %2, %3)\nPanning: (%4, %5), Zoom: %6",
- rot(X), rot(Y), rot(Z), pan(X), pan(Y), zoom());
- QRect textSize = metrics.boundingRect (0, 0, m_width, m_height, Qt::AlignCenter, text);
-
- paint.drawText ((width() - textSize.width()) / 2, height() - textSize.height(), textSize.width(),
- textSize.height(), Qt::AlignCenter, text);
- }
-#endif
-
- if (camera() != EFreeCamera && !isPicking())
- {
- // Paint the overlay image if we have one
- const LDGLOverlay& overlay = currentDocumentData().overlays[camera()];
-
- if (overlay.img != null)
- {
- QPoint v0 = coordconv3_2 (currentDocumentData().overlays[camera()].v0),
- v1 = coordconv3_2 (currentDocumentData().overlays[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.
- QString text = format (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 (textpen);
- 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);
-
- // Mode-specific rendering
- if (editMode() == EDrawMode)
- {
- QPoint poly[4];
- Vertex poly3d[4];
- int numverts = 4;
-
- // Calculate polygon data
- if (!m_rectdraw)
- {
- numverts = m_drawedVerts.size() + 1;
- int i = 0;
-
- for (Vertex& vert : m_drawedVerts)
- poly3d[i++] = vert;
-
- // Draw the cursor vertex as the last one in the list.
- if (numverts <= 4)
- poly3d[i] = m_hoverpos;
- else
- numverts = 4;
- }
- else
- {
- // Get vertex information from m_rectverts
- if (m_drawedVerts.size() > 0)
- for (int i = 0; i < numverts; ++i)
- poly3d[i] = m_rectverts[i];
- else
- poly3d[0] = m_hoverpos;
- }
-
- // Convert to 2D
- for (int i = 0; i < numverts; ++i)
- poly[i] = coordconv3_2 (poly3d[i]);
-
- if (numverts > 0)
- {
- // Draw the polygon-to-be
- paint.setBrush (polybrush);
- paint.drawPolygon (poly, numverts);
-
- // Draw vertex blips
- for (int i = 0; i < numverts; ++i)
- {
- QPoint& blip = poly[i];
- paint.setPen (linepen);
- drawBlip (paint, blip);
-
- // Draw their coordinates
- paint.setPen (textpen);
- paint.drawText (blip.x(), blip.y() - 8, poly3d[i].toString (true));
- }
-
- // Draw line lenghts and angle info if appropriate
- if (numverts >= 2)
- {
- int numlines = (m_drawedVerts.size() == 1) ? 1 : m_drawedVerts.size() + 1;
- paint.setPen (textpen);
-
- for (int i = 0; i < numlines; ++i)
- {
- const int j = (i + 1 < numverts) ? i + 1 : 0;
- const int h = (i - 1 >= 0) ? i - 1 : numverts - 1;
-
- if (gl_linelengths)
- {
- const QString label = QString::number (poly3d[i].distanceTo (poly3d[j]));
- QPoint origin = QLineF (poly[i], poly[j]).pointAt (0.5).toPoint();
- paint.drawText (origin, label);
- }
-
- if (gl_drawangles)
- {
- QLineF l0 (poly[h], poly[i]),
- l1 (poly[i], poly[j]);
-
- double angle = 180 - l0.angleTo (l1);
-
- if (angle < 0)
- angle = 180 - l1.angleTo (l0);
-
- QString label = QString::number (angle) + QString::fromUtf8 (QByteArray ("\302\260"));
- QPoint pos = poly[i];
- pos.setY (pos.y() + metrics.height());
-
- paint.drawText (pos, label);
- }
- }
- }
- }
- }
- elif (editMode() == ECircleMode)
- {
- // 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 = getCircleDrawDist (0),
- dist1 = (m_drawedVerts.size() >= 2) ? getCircleDrawDist (1) : -1;
- const int segs = g_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]);
- QString label = QString::number (dist0);
- paint.setPen (textpen);
- paint.drawText (origin.x() - (metrics.width (label) / 2), origin.y(), label);
-
- if (m_drawedVerts.size() >= 2)
- {
- label = QString::number (dist1);
- paint.drawText (origin.x() - (metrics.width (label) / 2), origin.y() + metrics.height(), label);
- }
- }
- }
- }
- }
-
- // Camera icons
- if (!isPicking())
- {
- // 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::EFreeCamera] && editMode() != ESelectMode)
- continue;
-
- paint.drawPixmap (info.destRect, *info.img, info.srcRect);
- }
-
- QString formatstr = tr ("%1 Camera");
-
- // Draw a label for the current camera in the bottom left corner
- {
- const int margin = 4;
-
- QString label;
- label = format (formatstr, 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
- {
- QString label = format (formatstr, tr (g_CameraNames[m_toolTipCamera]));
- QToolTip::showText (m_globalpos, label);
- }
- }
- }
-
- // Message log
- if (messageLog())
- {
- int y = 0;
- const int margin = 2;
- QColor penColor = textpen.color();
-
- for (const MessageManager::Line& line : messageLog()->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 && !isPicking() && 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);
-}
-
-// =============================================================================
-//
-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() == EDrawMode)
- {
- 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 EDrawMode:
- {
- 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 ECircleMode:
- {
- if (m_drawedVerts.size() == 3)
- {
- endDraw (true);
- return;
- }
-
- addDrawnVertex (m_hoverpos);
- } break;
-
- case ESelectMode:
- {
- if (!isDrawOnly())
- {
- 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() != ESelectMode && 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() == EFreeCamera)
- {
- 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() != EFreeCamera) ? 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 GLRenderer::EFixedCamera cam)
-{
- m_camera = cam;
- gl_camera = (int) cam;
- g_win->updateEditModeActions();
-}
-
-// =============================================================================
-//
-void GLRenderer::pick (int mouseX, int mouseY)
-{
- 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)
- {
- LDObjectList oldsel = selection();
- getCurrentDocument()->clearSelection();
-
- for (LDObject* obj : oldsel)
- compileObject (obj);
- }
-
- setPicking (true);
-
- // Paint the picking scene
- glDisable (GL_DITHER);
- glClearColor (1.0f, 1.0f, 1.0f, 1.0f);
- drawGLScene();
-
- int x0 = mouseX,
- y0 = mouseY;
- int 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)
- qSwap (x0, x1);
-
- if (y0 > y1)
- qSwap (y0, y1);
-
- // Clamp the values to ensure they're within bounds
- x0 = max (0, x0);
- y0 = max (0, y0);
- x1 = min (x1, m_width);
- y1 = min (y1, m_height);
- const int areawidth = (x1 - x0);
- const int areaheight = (y1 - y0);
- const qint32 numpixels = areawidth * areaheight;
-
- // Allocate space for the pixel data.
- uchar* const pixeldata = new uchar[4 * numpixels];
- uchar* pixelptr = &pixeldata[0];
-
- // Read pixels from the color buffer.
- glReadPixels (x0, m_height - y1, areawidth, areaheight, GL_RGBA, GL_UNSIGNED_BYTE, pixeldata);
-
- LDObject* removedObj = null;
-
- // Go through each pixel read and add them to the selection.
- for (qint32 i = 0; i < numpixels; ++i)
- {
- qint32 idx =
- (*(pixelptr + 0) * 0x10000) +
- (*(pixelptr + 1) * 0x100) +
- *(pixelptr + 2);
- pixelptr += 4;
-
- if (idx == 0xFFFFFF)
- continue; // White is background; skip
-
- LDObject* obj = LDObject::fromID (idx);
- assert (obj != null);
-
- // 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->isSelected())
- {
- 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);
-
- setPicking (false);
- m_rangepick = false;
- glEnable (GL_DITHER);
-
- setBackground();
- repaint();
-}
-
-// =============================================================================
-//
-void GLRenderer::setEditMode (EditMode const& a)
-{
- m_editMode = a;
-
- switch (a)
- {
- case ESelectMode:
- {
- unsetCursor();
- setContextMenuPolicy (Qt::DefaultContextMenu);
- } break;
-
- case EDrawMode:
- case ECircleMode:
- {
- // Cannot draw into the free camera - use top instead.
- if (camera() == EFreeCamera)
- setCamera (ETopCamera);
-
- // 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.
- LDObjectList priorsel = selection();
- getCurrentDocument()->clearSelection();
-
- for (LDObject* obj : priorsel)
- compileObject (obj);
-
- g_win->updateSelection();
- m_drawedVerts.clear();
- } break;
- }
-
- g_win->updateEditModeActions();
- update();
-}
-
-// =============================================================================
-//
-void GLRenderer::setDocument (LDDocument* const& a)
-{
- m_document = a;
-
- if (a != null)
- {
- initOverlaysFromObjects();
-
- if (currentDocumentData().init == false)
- {
- resetAllAngles();
- currentDocumentData().init = true;
- }
- }
-}
-
-// =============================================================================
-//
-Matrix GLRenderer::getCircleDrawMatrix (double scale)
-{
- Matrix transform = g_circleDrawMatrixTemplates[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;
- LDObjectList objs;
-
- switch (editMode())
- {
- case EDrawMode:
- {
- 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 ECircleMode:
- {
- const int segs = g_lores, divs = g_lores; // TODO: make customizable
- double dist0 = getCircleDrawDist (0),
- dist1 = getCircleDrawDist (1);
- LDDocument* 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 = ::getDocument ("4-4edge.dat");
- transform = getCircleDrawMatrix (dist0);
- circleOrDisc = true;
- }
- elif (dist0 == 0 || dist1 == 0)
- {
- // If either radii is 0, use a disc.
- refFile = ::getDocument ("4-4disc.dat");
- transform = getCircleDrawMatrix ((dist0 != 0) ? dist0 : dist1);
- circleOrDisc = true;
- }
- elif (g_RingFinder.findRings (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()->getComponents())
- {
- // Get a ref file for this primitive. If we cannot find it in the
- // LDraw library, generate it.
- if ((refFile = ::getDocument (radialFileName (::Ring, g_lores, g_lores, cmp.num))) == null)
- {
- refFile = generatePrimitive (::Ring, g_lores, g_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
- {
- // Ring finder failed, 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] = getDepthValue();
-
- // 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 ESelectMode:
- {
- // this shouldn't happen
- assert (false);
- return;
- } break;
- }
-
- if (objs.size() > 0)
- {
- for (LDObject* obj : objs)
- {
- document()->addObject (obj);
- compileObject (obj);
- }
-
- g_win->refresh();
- g_win->endAction();
- }
-
- m_drawedVerts.clear();
- m_rectdraw = false;
-}
-
-// =============================================================================
-//
-double GLRenderer::getCircleDrawDist (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[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->vertex (i);
- }
- elif (obj->type() == LDObject::ESubfile)
- {
- LDSubfile* ref = static_cast<LDSubfile*> (obj);
- LDObjectList objs = ref->inlineContents (true, false);
-
- for (LDObject* obj : objs)
- {
- verts << getVertices (obj);
- obj->destroy();
- }
- }
-
- return verts;
-}
-
-// =============================================================================
-//
-void GLRenderer::compileObject (LDObject* obj)
-{
- compiler()->stageForCompilation (obj);
-
- // Mark in known vertices of this object
- /*
- QList<Vertex> verts = getVertices (obj);
- m_knownVerts << verts;
- removeDuplicates (m_knownVerts);
- */
-
- obj->setGLInit (true);
-}
-
-// =============================================================================
-//
-void GLRenderer::forgetObject (LDObject* obj)
-{
- compiler()->dropObject (obj);
-}
-
-// =============================================================================
-//
-uchar* GLRenderer::getScreencap (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;
- }
- }
-}
-
-// =============================================================================
-//
-Axis GLRenderer::getCameraAxis (bool y, GLRenderer::EFixedCamera camid)
-{
- if (camid == (GL::EFixedCamera) - 1)
- camid = camera();
-
- const LDFixedCameraInfo* cam = &g_FixedCameras[camid];
- return (y) ? cam->axisY : cam->axisX;
-}
-
-// =============================================================================
-//
-bool GLRenderer::setupOverlay (EFixedCamera cam, QString file, int x, int y, int w, int h)
-{
- QImage* img = new QImage (QImage (file).convertToFormat (QImage::Format_ARGB32));
- LDGLOverlay& info = getOverlay (cam);
-
- if (img->isNull())
- {
- critical (tr ("Failed to load overlay image!"));
- currentDocumentData().overlays[cam].invalid = true;
- 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;
- info.invalid = false;
-
- 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 = getCameraAxis (false, cam),
- y2d = getCameraAxis (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() == EFreeCamera)
- return;
-
- LDGLOverlay& info = currentDocumentData().overlays[camera()];
- delete info.img;
- info.img = null;
-
- updateOverlayObjects();
-}
-
-// =============================================================================
-//
-void GLRenderer::setDepthValue (double depth)
-{
- assert (camera() < EFreeCamera);
- currentDocumentData().depthValues[camera()] = depth;
-}
-
-// =============================================================================
-//
-double GLRenderer::getDepthValue() const
-{
- assert (camera() < EFreeCamera);
- return currentDocumentData().depthValues[camera()];
-}
-
-// =============================================================================
-//
-const char* GLRenderer::getCameraName() const
-{
- return g_CameraNames[camera()];
-}
-
-// =============================================================================
-//
-LDGLOverlay& GLRenderer::getOverlay (int newcam)
-{
- return currentDocumentData().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()
-{
- print ("zooming %1 to fit..\n", camera());
- zoom() = 30.0f;
-
- if (document() == null || m_width == -1 || m_height == -1)
- {
- print ("document is invalid!\n");
- return;
- }
-
- bool lastfilled = false;
- bool firstrun = true;
- const uint32 white = 0xFFFFFFFF;
- bool inward = true;
- const int w = m_width, h = m_height;
- int runaway = 50;
-
- 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.
- setPicking (true);
-
- while (--runaway)
- {
- 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; ++i)
- {
- if (imgdata[i] != white || imgdata[((h - 1) * w) + i] != white)
- {
- filled = true;
- break;
- }
- }
-
- // Left and right edges
- if (filled == false)
- {
- for (int i = 0; i < h; ++i)
- {
- if (imgdata[i * w] != white || imgdata[(i * w) + w - 1] != white)
- {
- filled = true;
- break;
- }
- }
- }
-
- 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();
- setPicking (false);
- print ("zoom to fit done.\n");
-}
-
-// =============================================================================
-//
-void GLRenderer::zoomAllToFit()
-{
- EFixedCamera oldcam = camera();
-
- for (int i = 0; i < 7; ++i)
- {
- setCamera ((EFixedCamera) 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 = getCameraAxis (false),
- ay = getCameraAxis (true),
- az = (Axis) (3 - ax - ay);
-
- for (int i = 0; i < 4; ++i)
- m_rectverts[i][az] = getDepthValue();
-
- 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() != ESelectMode)
- return;
-
- pick (ev->x(), ev->y());
-
- if (selection().isEmpty())
- return;
-
- LDObject* obj = selection().first();
- AddObjectDialog::staticDialog (obj->type(), obj);
- g_win->endAction();
- ev->accept();
-}
-
-// =============================================================================
-//
-LDOverlay* GLRenderer::findOverlayObject (EFixedCamera cam)
-{
- LDOverlay* ovlobj = null;
-
- for (LDObject* obj : document()->objects())
- {
- if (obj->type() == LDObject::EOverlay && 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::initOverlaysFromObjects()
-{
- for (EFixedCamera cam : g_Cameras)
- {
- if (cam == EFreeCamera)
- continue;
-
- LDGLOverlay& meta = currentDocumentData().overlays[cam];
- LDOverlay* ovlobj = findOverlayObject (cam);
-
- if (!ovlobj && meta.img)
- {
- delete meta.img;
- meta.img = null;
- }
- elif (ovlobj && (meta.img == null || meta.fname != ovlobj->fileName()) && meta.invalid == false)
- setupOverlay (cam, ovlobj->fileName(), ovlobj->x(),
- ovlobj->y(), ovlobj->width(), ovlobj->height());
- }
-}
-
-// =============================================================================
-//
-void GLRenderer::updateOverlayObjects()
-{
- for (EFixedCamera cam : g_Cameras)
- {
- if (cam == EFreeCamera)
- continue;
-
- LDGLOverlay& meta = currentDocumentData().overlays[cam];
- LDOverlay* ovlobj = findOverlayObject (cam);
-
- if (meta.img == null && ovlobj != null)
- {
- // 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->type() == LDObject::EEmpty)
- nextobj->destroy();
-
- // If the overlay object was there and the overlay itself is
- // not, remove the object.
- ovlobj->destroy();
- }
- elif (meta.img != null && ovlobj == null)
- {
- // 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 < document()->getObjectCount(); ++i)
- {
- LDObject* obj = document()->getObject (i);
-
- if (obj->isScemantic())
- {
- found = true;
- break;
- }
-
- if (obj->type() == LDObject::EOverlay)
- lastOverlay = i;
- }
-
- if (lastOverlay != -1)
- document()->insertObj (lastOverlay + 1, ovlobj);
- else
- {
- document()->insertObj (i, ovlobj);
-
- if (found)
- document()->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();
-}