comparison: src/glRenderer.cc
src/glRenderer.cc
- branch
- experimental
- changeset 911
- 5209474e9f38
- parent 901
- 6e89eaa1df70
- child 927
- 409b82a4765e
- child 943
- af81220741d9
equal
deleted
inserted
replaced
| 895:f0d14f16ae87 | 911:5209474e9f38 |
|---|---|
| 1294 | 1294 |
| 1295 // ============================================================================= | 1295 // ============================================================================= |
| 1296 // | 1296 // |
| 1297 void GLRenderer::zoomNotch (bool inward) | 1297 void GLRenderer::zoomNotch (bool inward) |
| 1298 { | 1298 { |
| 1299 if (zoom() > 15) | 1299 zoom() *= inward ? 0.833f : 1.2f; |
| 1300 zoom() *= inward ? 0.833f : 1.2f; | |
| 1301 else | |
| 1302 zoom() += inward ? -1.2f : 1.2f; | |
| 1303 } | 1300 } |
| 1304 | 1301 |
| 1305 // ============================================================================= | 1302 // ============================================================================= |
| 1306 // | 1303 // |
| 1307 void GLRenderer::zoomToFit() | 1304 void GLRenderer::zoomToFit() |
| 1311 if (document() == null or m_width == -1 or m_height == -1) | 1308 if (document() == null or m_width == -1 or m_height == -1) |
| 1312 return; | 1309 return; |
| 1313 | 1310 |
| 1314 bool lastfilled = false; | 1311 bool lastfilled = false; |
| 1315 bool firstrun = true; | 1312 bool firstrun = true; |
| 1316 const uint32 white = 0xFFFFFFFF; | 1313 enum { black = 0xFF000000 }; |
| 1317 bool inward = true; | 1314 bool inward = true; |
| 1318 const int w = m_width, h = m_height; | |
| 1319 int runaway = 50; | 1315 int runaway = 50; |
| 1320 | |
| 1321 glClearColor (1.0, 1.0, 1.0, 1.0); | |
| 1322 glDisable (GL_DITHER); | |
| 1323 | 1316 |
| 1324 // Use the pick list while drawing the scene, this way we can tell whether borders | 1317 // Use the pick list while drawing the scene, this way we can tell whether borders |
| 1325 // are background or not. | 1318 // are background or not. |
| 1326 setPicking (true); | 1319 setPicking (true); |
| 1327 | 1320 |
| 1328 while (--runaway) | 1321 while (--runaway) |
| 1329 { | 1322 { |
| 1330 if (zoom() > 10000.0 or zoom() < 0.0) | 1323 if (zoom() > 10000.0 or zoom() < 0.0) |
| 1331 { | 1324 { |
| 1332 // Obviously, there's nothing to draw if we get here. | 1325 // Nothing to draw if we get here. |
| 1333 // Default to 30.0f and break out. | |
| 1334 zoom() = 30.0; | 1326 zoom() = 30.0; |
| 1335 break; | 1327 break; |
| 1336 } | 1328 } |
| 1337 | 1329 |
| 1338 zoomNotch (inward); | 1330 zoomNotch (inward); |
| 1339 | 1331 QVector<unsigned char> capture (4 * m_width * m_height); |
| 1340 uchar* cap = new uchar[4 * w * h]; | |
| 1341 drawGLScene(); | 1332 drawGLScene(); |
| 1342 glReadPixels (0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, cap); | 1333 glReadPixels (0, 0, m_width, m_height, GL_RGBA, GL_UNSIGNED_BYTE, capture.data()); |
| 1343 uint32* imgdata = reinterpret_cast<uint32*> (cap); | 1334 QImage image (capture.constData(), m_width, m_height, QImage::Format_ARGB32); |
| 1344 bool filled = false; | 1335 bool filled = false; |
| 1345 | 1336 |
| 1346 // Check the top and bottom rows | 1337 // Check the top and bottom rows |
| 1347 for (int i = 0; i < w; ++i) | 1338 for (int i = 0; i < image.width(); ++i) |
| 1348 { | 1339 { |
| 1349 if (imgdata[i] != white or imgdata[((h - 1) * w) + i] != white) | 1340 if (image.pixel (i, 0) != black or image.pixel (i, m_height - 1) != black) |
| 1350 { | 1341 { |
| 1351 filled = true; | 1342 filled = true; |
| 1352 break; | 1343 break; |
| 1353 } | 1344 } |
| 1354 } | 1345 } |
| 1355 | 1346 |
| 1356 // Left and right edges | 1347 // Left and right edges |
| 1357 if (filled == false) | 1348 if (filled == false) |
| 1358 { | 1349 { |
| 1359 for (int i = 0; i < h; ++i) | 1350 for (int i = 0; i < image.height(); ++i) |
| 1360 { | 1351 { |
| 1361 if (imgdata[i * w] != white or imgdata[(i * w) + w - 1] != white) | 1352 if (image.pixel (0, i) != black or image.pixel (m_width - 1, i) != black) |
| 1362 { | 1353 { |
| 1363 filled = true; | 1354 filled = true; |
| 1364 break; | 1355 break; |
| 1365 } | 1356 } |
| 1366 } | 1357 } |
| 1367 } | 1358 } |
| 1368 | |
| 1369 delete[] cap; | |
| 1370 | 1359 |
| 1371 if (firstrun) | 1360 if (firstrun) |
| 1372 { | 1361 { |
| 1373 // If this is the first run, we don't know enough to determine | 1362 // If this is the first run, we don't know enough to determine |
| 1374 // whether the zoom was to fit, so we mark in our knowledge so | 1363 // whether the zoom was to fit, so we mark in our knowledge so |
| 1395 } | 1384 } |
| 1396 | 1385 |
| 1397 lastfilled = filled; | 1386 lastfilled = filled; |
| 1398 } | 1387 } |
| 1399 | 1388 |
| 1400 setBackground(); | |
| 1401 setPicking (false); | 1389 setPicking (false); |
| 1402 } | 1390 } |
| 1403 | 1391 |
| 1404 // ============================================================================= | 1392 // ============================================================================= |
| 1405 // | 1393 // |
| 1406 void GLRenderer::zoomAllToFit() | 1394 void GLRenderer::zoomAllToFit() |
| 1407 { | 1395 { |
| 1408 ECamera oldcam = camera(); | 1396 zoomToFit(); |
| 1409 | |
| 1410 for (ECamera cam = EFirstCamera; cam < ENumCameras; ++cam) | |
| 1411 { | |
| 1412 setCamera (cam); | |
| 1413 zoomToFit(); | |
| 1414 } | |
| 1415 | |
| 1416 setCamera (oldcam); | |
| 1417 } | 1397 } |
| 1418 | 1398 |
| 1419 // ============================================================================= | 1399 // ============================================================================= |
| 1420 // | 1400 // |
| 1421 void GLRenderer::mouseDoubleClickEvent (QMouseEvent* ev) | 1401 void GLRenderer::mouseDoubleClickEvent (QMouseEvent* ev) |
| 1648 int GLRenderer::depthNegateFactor() const | 1628 int GLRenderer::depthNegateFactor() const |
| 1649 { | 1629 { |
| 1650 return g_FixedCameras[camera()].negatedDepth ? -1 : 1; | 1630 return g_FixedCameras[camera()].negatedDepth ? -1 : 1; |
| 1651 } | 1631 } |
| 1652 | 1632 |
| 1633 Qt::KeyboardModifiers GLRenderer::keyboardModifiers() const | |
| 1634 { | |
| 1635 return m_keymods; | |
| 1636 } | |
| 1637 | |
| 1653 LDFixedCamera const& GetFixedCamera (ECamera cam) | 1638 LDFixedCamera const& GetFixedCamera (ECamera cam) |
| 1654 { | 1639 { |
| 1655 assert (cam != EFreeCamera); | 1640 assert (cam != EFreeCamera); |
| 1656 return g_FixedCameras[cam]; | 1641 return g_FixedCameras[cam]; |
| 1657 } | 1642 } |
