32#define GL_SILENCE_DEPRECATION 1
64using namespace std::placeholders;
72#include <glsl_kicad_frag.h>
73#include <glsl_kicad_vert.h>
80 wxGLAttributes attribs;
81 attribs.RGBA().DoubleBuffer().Depth( 8 ).EndList();
130 glDeleteTextures( 1, &bitmap.second.id );
136#ifndef DISABLE_BITMAP_CACHE
142 if( glIsTexture( it->second.id ) )
144 it->second.accessTime = wxGetUTCTimeMillis().GetValue();
145 return it->second.id;
150 glDeleteTextures( 1, &it->second.id );
178 return std::numeric_limits< GLuint >::max();
180 const wxImage& imgData = *imgPtr;
182 bmp.
w = imgData.GetSize().x;
183 bmp.
h = imgData.GetSize().y;
189 glGenTextures( 1, &textureID );
197 glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
199 if( imgData.HasAlpha() || imgData.HasMask() )
201 bmp.
size = bmp.
w * bmp.
h * 4;
202 auto buf = std::make_unique<uint8_t[]>( bmp.
size );
204 uint8_t* dstP = buf.get();
205 uint8_t* srcP = imgData.GetData();
207 long long pxCount =
static_cast<long long>( bmp.
w ) * bmp.
h;
209 if( imgData.HasAlpha() )
211 uint8_t* srcAlpha = imgData.GetAlpha();
213 for(
long long px = 0; px < pxCount; px++ )
215 memcpy( dstP, srcP, 3 );
223 else if( imgData.HasMask() )
225 uint8_t maskRed = imgData.GetMaskRed();
226 uint8_t maskGreen = imgData.GetMaskGreen();
227 uint8_t maskBlue = imgData.GetMaskBlue();
229 for(
long long px = 0; px < pxCount; px++ )
231 memcpy( dstP, srcP, 3 );
233 if( srcP[0] == maskRed && srcP[1] == maskGreen && srcP[2] == maskBlue )
234 dstP[3] = wxALPHA_TRANSPARENT;
236 dstP[3] = wxALPHA_OPAQUE;
243 glBindTexture( GL_TEXTURE_2D, textureID );
244 glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA8, bmp.
w, bmp.
h, 0, GL_RGBA, GL_UNSIGNED_BYTE,
249 bmp.
size = bmp.
w * bmp.
h * 3;
251 uint8_t* srcP = imgData.GetData();
253 glBindTexture( GL_TEXTURE_2D, textureID );
254 glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB8, bmp.
w, bmp.
h, 0, GL_RGB, GL_UNSIGNED_BYTE, srcP );
257 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
258 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
260 long long currentTime = wxGetUTCTimeMillis().GetValue();
265#ifndef DISABLE_BITMAP_CACHE
273 for(
const auto& [kiid, cachedBmp] :
m_bitmaps )
275 const int cacheTimeoutMillis = 1000L;
277 if( currentTime - cachedBmp.accessTime > cacheTimeoutMillis )
291 toRemove = *toRemoveLru;
297 glDeleteTextures( 1, &cachedBitmap.
id );
315 wxEvtHandler* aMouseListener, wxEvtHandler* aPaintListener,
316 const wxString& aName ) :
317 GAL( aDisplayOptions ),
321 m_mouseListener( aMouseListener ),
322 m_paintListener( aPaintListener ),
323 m_currentManager( nullptr ),
324 m_cachedManager( nullptr ),
325 m_nonCachedManager( nullptr ),
326 m_overlayManager( nullptr ),
327 m_tempManager( nullptr ),
329 m_overlayBuffer( 0 ),
331 m_isContextLocked( false ),
332 m_lockClientCookie( 0 )
339 throw std::runtime_error(
"Could not create the main OpenGL context" );
348 throw std::runtime_error(
"Could not create a private OpenGL context" );
393#if defined _WIN32 || defined _WIN64
400 SetSize( aParent->GetClientSize() );
411 gluTessProperty(
m_tesselator, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_POSITIVE );
474 wxString retVal = wxEmptyString;
476 wxFrame* testFrame =
new wxFrame(
nullptr, wxID_ANY, wxT(
"" ), wxDefaultPosition,
477 wxSize( 1, 1 ), wxFRAME_TOOL_WINDOW | wxNO_BORDER );
492 catch( std::runtime_error& err )
495 retVal = wxString( err.what() );
553#ifdef KICAD_GAL_PROFILE
554 PROF_TIMER totalRealTime(
"OPENGL_GAL::beginDrawing()",
true );
557 wxASSERT_MSG(
m_isContextLocked,
"GAL_DRAWING_CONTEXT RAII object should have locked context. "
558 "Calling GAL::beginDrawing() directly is not allowed." );
560 wxASSERT_MSG(
IsVisible(),
"GAL::beginDrawing() must not be entered when GAL is not visible. "
561 "Other drawing routines will expect everything to be initialized "
562 "which will not be the case." );
568 glMatrixMode( GL_PROJECTION );
584 catch(
const std::runtime_error& )
586 wxLogVerbose(
"Could not create a framebuffer for diff mode blending.\n" );
593 catch(
const std::runtime_error& )
595 wxLogVerbose(
"Could not create a framebuffer for overlays.\n" );
605 glDisable( GL_TEXTURE_2D );
607 glShadeModel( GL_FLAT );
610 glEnable( GL_DEPTH_TEST );
611 glDepthFunc( GL_LESS );
614 glEnable( GL_BLEND );
615 glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
617 glMatrixMode( GL_MODELVIEW );
621 GLdouble matrixData[16] = { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 };
631 glLoadMatrixd( matrixData );
650 const GLint FONT_TEXTURE_UNIT = 2;
655 glActiveTexture( GL_TEXTURE0 + FONT_TEXTURE_UNIT );
660 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
661 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
662 checkGlError(
"loading bitmap font", __FILE__, __LINE__ );
664 glActiveTexture( GL_TEXTURE0 );
670 glActiveTexture( GL_TEXTURE0 + FONT_TEXTURE_UNIT );
672 glActiveTexture( GL_TEXTURE0 );
687 checkGlError(
"setting bitmap font sampler as shader parameter", __FILE__, __LINE__ );
700 renderingOffset.
x *= screenPixelSize.
x;
701 renderingOffset.
y *= screenPixelSize.
y;
707 glActiveTexture( GL_TEXTURE0 );
712#ifdef KICAD_GAL_PROFILE
713 totalRealTime.
Stop();
714 wxLogTrace(
traceGalProfile, wxT(
"OPENGL_GAL::beginDrawing(): %.1f ms" ),
715 totalRealTime.
msecs() );
726 PROF_TIMER cntEndNoncached(
"gl-end-noncached" );
736 cntEndNoncached.
Start();
738 cntEndNoncached.
Stop();
740 cntEndCached.
Start();
744 cntEndOverlay.
Start();
750 cntEndOverlay.
Stop();
752 cntComposite.
Start();
755 glColor4d( 1.0, 1.0, 1.0, 1.0 );
792 wxASSERT_MSG(
m_isContextLocked,
"Context not locked. A GAL_CONTEXT_LOCKER RAII object must "
793 "be stacked rather than making separate lock/unlock calls." );
796 "Context was locked by a different client. "
797 "Should not be possible with RAII objects." );
807 wxASSERT_MSG(
m_isContextLocked,
"GAL_UPDATE_CONTEXT RAII object should have locked context. "
808 "Calling this from anywhere else is not allowed." );
810 wxASSERT_MSG(
IsVisible(),
"GAL::beginUpdate() must not be entered when GAL is not visible. "
811 "Other update routines will expect everything to be initialized "
812 "which will not be the case." );
848 VECTOR2D startEndVector = aEndPoint - aStartPoint;
851 float startx = aStartPoint.
x;
852 float starty = aStartPoint.
y;
853 float endx = aStartPoint.
x + lineLength;
854 float endy = aStartPoint.
y + lineLength;
859 if( startx == endx || starty == endy )
861 drawCircle( aStartPoint, aWidth / 2, aReserve );
977 double startAngle = aStartAngle.
AsRadians();
978 double endAngle = startAngle + aAngle.
AsRadians();
995 for( alpha = startAngle; ( alpha + alphaIncrement ) < endAngle; )
1001 alpha += alphaIncrement;
1007 const VECTOR2D endPoint( cos( endAngle ) * aRadius, sin( endAngle ) * aRadius );
1020 VECTOR2D p( cos( startAngle ) * aRadius, sin( startAngle ) * aRadius );
1022 unsigned int lineCount = 0;
1024 for( alpha = startAngle + alphaIncrement; alpha <= endAngle; alpha += alphaIncrement )
1027 if( alpha != endAngle )
1032 for( alpha = startAngle + alphaIncrement; alpha <= endAngle; alpha += alphaIncrement )
1034 VECTOR2D p_next( cos( alpha ) * aRadius, sin( alpha ) * aRadius );
1041 if( alpha != endAngle )
1043 VECTOR2D p_last( cos( endAngle ) * aRadius, sin( endAngle ) * aRadius );
1054 double aWidth,
double aMaxError )
1065 double startAngle = aStartAngle.
AsRadians();
1066 double endAngle = startAngle + aAngle.
AsRadians();
1074 double alphaIncrement = 2.0 * M_PI / segCount360;
1079 int seg_count =
KiROUND( ( endAngle - startAngle ) / alphaIncrement );
1081 if( seg_count % 2 != 0 )
1085 if( seg_count == 0 )
1087 VECTOR2D p_start( aCenterPoint.
x + cos( startAngle ) * aRadius,
1088 aCenterPoint.
y + sin( startAngle ) * aRadius );
1090 VECTOR2D p_end( aCenterPoint.
x + cos( endAngle ) * aRadius,
1091 aCenterPoint.
y + sin( endAngle ) * aRadius );
1098 alphaIncrement = ( endAngle - startAngle ) / seg_count;
1108 double width = aWidth / 2.0;
1109 VECTOR2D startPoint( cos( startAngle ) * aRadius, sin( startAngle ) * aRadius );
1110 VECTOR2D endPoint( cos( endAngle ) * aRadius, sin( endAngle ) * aRadius );
1115 VECTOR2D pOuter( cos( startAngle ) * ( aRadius + width ),
1116 sin( startAngle ) * ( aRadius + width ) );
1118 VECTOR2D pInner( cos( startAngle ) * ( aRadius - width ),
1119 sin( startAngle ) * ( aRadius - width ) );
1123 for( alpha = startAngle + alphaIncrement; alpha <= endAngle; alpha += alphaIncrement )
1125 VECTOR2D pNextOuter( cos( alpha ) * ( aRadius + width ),
1126 sin( alpha ) * ( aRadius + width ) );
1127 VECTOR2D pNextInner( cos( alpha ) * ( aRadius - width ),
1128 sin( alpha ) * ( aRadius - width ) );
1133 pOuter = pNextOuter;
1134 pInner = pNextInner;
1138 if( alpha != endAngle )
1140 VECTOR2D pLastOuter( cos( endAngle ) * ( aRadius + width ),
1141 sin( endAngle ) * ( aRadius + width ) );
1142 VECTOR2D pLastInner( cos( endAngle ) * ( aRadius - width ),
1143 sin( endAngle ) * ( aRadius - width ) );
1155 VECTOR2D p( cos( startAngle ) * aRadius, sin( startAngle ) * aRadius );
1160 for( alpha = startAngle + alphaIncrement; alpha <= endAngle; alpha += alphaIncrement )
1166 if( alpha != endAngle )
1173 for( alpha = startAngle + alphaIncrement; alpha <= endAngle; alpha += alphaIncrement )
1175 VECTOR2D p_next( cos( alpha ) * aRadius, sin( alpha ) * aRadius );
1182 if( alpha != endAngle )
1184 VECTOR2D p_last( cos( endAngle ) * aRadius, sin( endAngle ) * aRadius );
1196 VECTOR2D diagonalPointA( aEndPoint.
x, aStartPoint.
y );
1197 VECTOR2D diagonalPointB( aStartPoint.
x, aEndPoint.
y );
1223 if( aStartPoint == aEndPoint )
1229 std::deque<VECTOR2D> pointList;
1231 pointList.push_back( aStartPoint );
1232 pointList.push_back( diagonalPointA );
1233 pointList.push_back( aEndPoint );
1234 pointList.push_back( diagonalPointB );
1235 pointList.push_back( aStartPoint );
1247 return aPointList[idx];
1249 aPointList.size(), aWidth );
1263 return aLineChain.
CPoint( idx );
1265 numPoints, aWidth );
1274 return aPointList[idx];
1276 aPointList.size() );
1285 return aPointList[idx];
1287 aPointList.size() );
1296 return aPointList[idx];
1312 return aLineChain.
CPoint( idx );
1320 int lineQuadCount = 0;
1322 for(
const std::vector<VECTOR2D>& points : aPointList )
1323 lineQuadCount += points.size() - 1;
1327 for(
const std::vector<VECTOR2D>& points : aPointList )
1334 points.size(),
false );
1341 wxCHECK( aPointList.size() >= 2, );
1342 auto points = std::unique_ptr<GLdouble[]>(
new GLdouble[3 * aPointList.size()] );
1343 GLdouble* ptr = points.get();
1345 for(
const VECTOR2D& p : aPointList )
1358 wxCHECK( aListSize >= 2, );
1359 auto points = std::unique_ptr<GLdouble[]>(
new GLdouble[3 * aListSize] );
1360 GLdouble* target = points.get();
1363 for(
int i = 0; i < aListSize; ++i )
1376 bool aStrokeTriangulation )
1383 int totalTriangleCount = 0;
1398 for(
size_t i = 0; i < triPoly->GetTriangleCount(); i++ )
1401 triPoly->GetTriangle( i, a, b, c );
1413 const auto& poly = aPolySet.
Polygon( j );
1415 for(
const auto& lc : poly )
1424 aStrokeTriangulation =
true;
1428 if( aStrokeTriangulation )
1437 for(
size_t i = 0; i < triPoly->GetTriangleCount(); i++ )
1440 triPoly->GetTriangle( i, a, b, c );
1471 std::unique_ptr<GLdouble[]> points(
new GLdouble[3 * pointCount] );
1472 GLdouble* ptr = points.get();
1474 for(
int i = 0; i < pointCount; ++i )
1488 double aFilterValue )
1490 std::vector<VECTOR2D> output;
1491 std::vector<VECTOR2D> pointCtrl;
1493 pointCtrl.push_back( aStartPoint );
1494 pointCtrl.push_back( aControlPointA );
1495 pointCtrl.push_back( aControlPointB );
1496 pointCtrl.push_back( aEndPoint );
1499 converter.
GetPoly( output, aFilterValue );
1501 if( output.size() == 1 )
1502 output.push_back( output.front() );
1510 GLfloat alpha = std::clamp( alphaBlend, 0.0, 1.0 );
1520 glm::vec4 v0 = xform * glm::vec4( -w / 2, -h / 2, 0.0, 0.0 );
1521 glm::vec4
v1 = xform * glm::vec4( w / 2, h / 2, 0.0, 0.0 );
1522 glm::vec4 trans = xform[3];
1526 if( !glIsTexture( texture_id ) )
1529 glDepthFunc( GL_ALWAYS );
1531 glAlphaFunc( GL_GREATER, 0.01f );
1532 glEnable( GL_ALPHA_TEST );
1534 glMatrixMode( GL_TEXTURE );
1536 glTranslated( 0.5, 0.5, 0.5 );
1538 glTranslated( -0.5, -0.5, -0.5 );
1540 glMatrixMode( GL_MODELVIEW );
1542 glTranslated( trans.x, trans.y, trans.z );
1544 glEnable( GL_TEXTURE_2D );
1545 glActiveTexture( GL_TEXTURE0 );
1546 glBindTexture( GL_TEXTURE_2D, texture_id );
1548 float texStartX = aBitmap.
IsMirroredX() ? 1.0 : 0.0;
1549 float texEndX = aBitmap.
IsMirroredX() ? 0.0 : 1.0;
1550 float texStartY = aBitmap.
IsMirroredY() ? 1.0 : 0.0;
1551 float texEndY = aBitmap.
IsMirroredY() ? 0.0 : 1.0;
1553 glBegin( GL_QUADS );
1554 glColor4f( 1.0, 1.0, 1.0, alpha );
1555 glTexCoord2f( texStartX, texStartY );
1557 glColor4f( 1.0, 1.0, 1.0, alpha );
1558 glTexCoord2f( texEndX, texStartY);
1560 glColor4f( 1.0, 1.0, 1.0, alpha );
1561 glTexCoord2f( texEndX, texEndY);
1563 glColor4f( 1.0, 1.0, 1.0, alpha );
1564 glTexCoord2f( texStartX, texEndY);
1568 glBindTexture( GL_TEXTURE_2D, 0 );
1570#ifdef DISABLE_BITMAP_CACHE
1571 glDeleteTextures( 1, &texture_id );
1576 glMatrixMode( GL_TEXTURE );
1578 glMatrixMode( GL_MODELVIEW );
1580 glDisable( GL_ALPHA_TEST );
1582 glDepthFunc( GL_LESS );
1591 || aText.Contains( wxT(
"^{" ) )
1592 || aText.Contains( wxT(
"_{" ) )
1593 || aText.Contains( wxT(
"\n" ) ) )
1604 double overbarHeight = textSize.
y;
1635 wxFAIL_MSG( wxT(
"Indeterminate state legal only in dialogs." ) );
1651 overbarHeight = -textSize.
y / 2.0;
1655 wxFAIL_MSG( wxT(
"Indeterminate state legal only in dialogs." ) );
1659 int overbarLength = 0;
1660 int overbarDepth = -1;
1661 int braceNesting = 0;
1663 auto iterateString =
1664 [&](
const std::function<void(
int aOverbarLength,
int aOverbarHeight )>& overbarFn,
1665 const std::function<int(
unsigned long aChar )>& bitmapCharFn )
1669 wxASSERT_MSG( *chIt !=
'\n' && *chIt !=
'\r',
1670 "No support for multiline bitmap text yet" );
1672 if( *chIt ==
'~' && overbarDepth == -1 )
1676 if( ++lookahead !=
end && *lookahead ==
'{' )
1679 overbarDepth = braceNesting;
1684 else if( *chIt ==
'{' )
1688 else if( *chIt ==
'}' )
1690 if( braceNesting > 0 )
1693 if( braceNesting == overbarDepth )
1695 overbarFn( overbarLength, overbarHeight );
1703 if( overbarDepth != -1 )
1704 overbarLength += bitmapCharFn( *chIt );
1706 bitmapCharFn( *chIt );
1713 int overbarsCount = 0;
1716 [&overbarsCount](
int aOverbarLength,
int aOverbarHeight )
1720 [&charsCount](
unsigned long aChar ) ->
int
1736 [&](
int aOverbarLength,
int aOverbarHeight )
1740 [&](
unsigned long aChar ) ->
int
1748 if( overbarDepth != -1 && overbarLength > 0 )
1763 float minorLineWidth = std::fmax( 1.0f,
1765 float majorLineWidth = minorLineWidth * 2.0f;
1809 glDisable( GL_DEPTH_TEST );
1810 glDisable( GL_TEXTURE_2D );
1814 glEnable( GL_STENCIL_TEST );
1815 glStencilFunc( GL_ALWAYS, 1, 1 );
1816 glStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
1817 glColor4d( 0.0, 0.0, 0.0, 0.0 );
1829 for(
int j = gridStartY; j <= gridEndY; j++ )
1835 for(
int i = gridStartX; i <= gridEndX; i++ )
1838 SetLineWidth( ( ( tickX && tickY ) ? majorLineWidth : minorLineWidth ) );
1852 for(
int j = gridStartY; j <= gridEndY; j++ )
1871 glStencilFunc( GL_NOTEQUAL, 0, 1 );
1877 for(
int i = gridStartX; i <= gridEndX; i++ )
1894 glDisable( GL_STENCIL_TEST );
1897 glEnable( GL_DEPTH_TEST );
1898 glEnable( GL_TEXTURE_2D );
1911 wxGLCanvas::SetSize( aWidth, aHeight );
1917 bool s = wxGLCanvas::Show( aShow );
1920 wxGLCanvas::Raise();
1938 glClearColor( 0, 0, 0, 1 );
1939 glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
1945 GLdouble matrixData[16] = { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 };
1947 matrixData[0] = aTransformation.
m_data[0][0];
1948 matrixData[1] = aTransformation.
m_data[1][0];
1949 matrixData[2] = aTransformation.
m_data[2][0];
1950 matrixData[4] = aTransformation.
m_data[0][1];
1951 matrixData[5] = aTransformation.
m_data[1][1];
1952 matrixData[6] = aTransformation.
m_data[2][1];
1953 matrixData[12] = aTransformation.
m_data[0][2];
1954 matrixData[13] = aTransformation.
m_data[1][2];
1955 matrixData[14] = aTransformation.
m_data[2][2];
1957 glMultMatrixd( matrixData );
1995 std::shared_ptr<VERTEX_ITEM> newItem = std::make_shared<VERTEX_ITEM>( *
m_cachedManager );
1997 m_groups.insert( std::make_pair( groupNumber, newItem ) );
2140 glBlendEquation( GL_MAX );
2142 glBlendEquation( GL_FUNC_ADD );
2149 glBlendFunc( GL_SRC_ALPHA, GL_ONE );
2151 glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
2191 const bool aReserve )
2209 * glm::vec4( aStartPoint.
x, aStartPoint.
y, 0.0, 0.0 );
2211 * glm::vec4( aEndPoint.
x, aEndPoint.
y, 0.0, 0.0 );
2295 double outerRadius = aRadius + (
m_lineWidth / 2 );
2341 GLdouble* point = aPoints;
2343 for(
int i = 0; i < aPointCount; ++i )
2361 return VECTOR2D( aPoints[idx * 3], aPoints[idx * 3 + 1] );
2371 wxCHECK( aPointCount > 0, );
2375 if( aPointCount == 1 )
2377 drawLineQuad( aPointGetter( 0 ), aPointGetter( 0 ), aReserve );
2386 for(
int i = 1; i < aPointCount; ++i )
2388 auto start = aPointGetter( i - 1 );
2389 auto end = aPointGetter( i );
2397 int aPointCount,
double aWidth,
bool aReserve )
2399 wxCHECK( aPointCount >= 2, );
2405 for(
int i = 1; i < aPointCount; ++i )
2407 auto start = aPointGetter( i - 1 );
2408 auto end = aPointGetter( i );
2413 float startx = start.x;
2414 float starty = start.y;
2415 float endx = start.x + lineLength;
2416 float endy = start.y + lineLength;
2421 if( startx == endx || starty == endy )
2433 vertices += 6 + 6 + 3 + 3;
2439 for(
int i = 1; i < aPointCount; ++i )
2441 auto start = aPointGetter( i - 1 );
2442 auto end = aPointGetter( i );
2461 double spaceWidth = g->
advance * 0.74;
2479 const float XOFF = glyph->
minx;
2482 const float round_adjust = ( glyph->
maxy - glyph->
miny )
2485 const float YOFF = round_adjust + top_adjust;
2534 const float H = glyph->
maxy - glyph->
miny;
2564 float commonOffset = std::numeric_limits<float>::max();
2566 int overbarDepth = -1;
2567 int braceNesting = 0;
2571 if( *chIt ==
'~' && overbarDepth == -1 )
2575 if( ++lookahead !=
end && *lookahead ==
'{' )
2578 overbarDepth = braceNesting;
2583 else if( *chIt ==
'{' )
2587 else if( *chIt ==
'}' )
2589 if( braceNesting > 0 )
2592 if( braceNesting == overbarDepth )
2602 || *chIt ==
'-' || *chIt ==
'_' )
2604 glyph = defaultGlyph;
2611 textSize.
y = std::max<float>( textSize.
y, charHeight );
2613 textSize.
y -= commonOffset;
2615 return std::make_pair( textSize, commonOffset );
2652 VECTOR2D cursorCenter = ( cursorBegin + cursorEnd ) / 2;
2656 glActiveTexture( GL_TEXTURE0 );
2657 glDisable( GL_TEXTURE_2D );
2658 glEnable( GL_BLEND );
2659 glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
2664 glBegin( GL_LINES );
2665 glVertex2d( cursorCenter.
x, cursorBegin.
y );
2666 glVertex2d( cursorCenter.
x, cursorEnd.
y );
2668 glVertex2d( cursorBegin.
x, cursorCenter.
y );
2669 glVertex2d( cursorEnd.
x, cursorCenter.
y );
2676 wxASSERT_MSG(
m_groups.size() < std::numeric_limits<unsigned int>::max(),
2677 wxT(
"There are no free slots to store a group" ) );
2688#ifndef KICAD_USE_EGL
2689 wxASSERT( IsShownOnScreen() );
2692 wxASSERT_MSG(
m_isContextLocked,
"This should only be called from within a locked context." );
2696 throw std::runtime_error(
"Could not create the tesselator" );
2697 GLenum err = glewInit();
2701 for(
int i = 0; i < 10; i++ )
2703 if( GLEW_OK == err )
2706 std::this_thread::sleep_for( std::chrono::milliseconds( 250 ) );
2712 SetOpenGLInfo( (
const char*) glGetString( GL_VENDOR ), (
const char*) glGetString( GL_RENDERER ),
2713 (
const char*) glGetString( GL_VERSION ) );
2715 if( GLEW_OK != err )
2716 throw std::runtime_error( (
const char*) glewGetErrorString( err ) );
2719 if( !GLEW_VERSION_2_1 )
2720 throw std::runtime_error(
"OpenGL 2.1 or higher is required!" );
2722#if defined( __LINUX__ )
2724 if( GLEW_ARB_debug_output )
2730 if( !GLEW_EXT_framebuffer_object )
2731 throw std::runtime_error(
"Framebuffer objects are not supported!" );
2734 if( !GLEW_ARB_vertex_buffer_object )
2735 throw std::runtime_error(
"Vertex buffer objects are not supported!" );
2740 BUILTIN_SHADERS::glsl_kicad_vert ) )
2742 throw std::runtime_error(
"Cannot compile vertex shader!" );
2747 BUILTIN_SHADERS::glsl_kicad_frag ) )
2749 throw std::runtime_error(
"Cannot compile fragment shader!" );
2753 throw std::runtime_error(
"Cannot link the shaders!" );
2757 glGetIntegerv( GL_MAX_TEXTURE_SIZE, &maxTextureSize );
2763 throw std::runtime_error(
"Requested texture size is not supported" );
2786 GLdouble* vertex =
static_cast<GLdouble*
>( aVertexPtr );
2790 assert( vboManager );
2791 vboManager->
Vertex( vertex[0], vertex[1], vertex[2] );
2796 GLdouble** dataOut,
void* aData )
2798 GLdouble* vertex =
new GLdouble[3];
2804 param->
intersectPoints.emplace_back( vertex, std::default_delete<GLdouble[]>() );
2806 memcpy( vertex, coords, 3 *
sizeof( GLdouble ) );
2844 return ( ceil( f / r ) - 0.5 ) * r;
2877 outlineGlyph.Triangulate(
2892 if( aGlyphs.empty() )
2895 bool allGlyphsAreStroke =
true;
2896 bool allGlyphsAreOutline =
true;
2898 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
2900 if( !glyph->IsStroke() )
2902 allGlyphsAreStroke =
false;
2907 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
2909 if( !glyph->IsOutline() )
2911 allGlyphsAreOutline =
false;
2916 if( allGlyphsAreStroke )
2919 int lineQuadCount = 0;
2921 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
2925 for(
const std::vector<VECTOR2D>& points : strokeGlyph )
2926 lineQuadCount += points.size() - 1;
2931 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
2935 for(
const std::vector<VECTOR2D>& points : strokeGlyph )
2942 points.size(),
false );
2948 else if( allGlyphsAreOutline )
2951 int triangleCount = 0;
2953 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
2957 for(
unsigned int i = 0; i < outlineGlyph.TriangulatedPolyCount(); i++ )
2960 outlineGlyph.TriangulatedPolygon( i );
2971 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
2975 for(
unsigned int i = 0; i < outlineGlyph.TriangulatedPolyCount(); i++ )
2978 outlineGlyph.TriangulatedPolygon( i );
2995 for(
size_t i = 0; i < aGlyphs.size(); i++ )
2996 DrawGlyph( *aGlyphs[i], i, aGlyphs.size() );
constexpr BOX2I KiROUND(const BOX2D &aBoxD)
void SetOpenGLInfo(const char *aVendor, const char *aRenderer, const char *aVersion)
A setter for OpenGL info when it's initialized.
static const ADVANCED_CFG & GetCfg()
Get the singleton instance's config, which is shared by all consumers.
Bezier curves to polygon converter.
void GetPoly(std::vector< VECTOR2I > &aOutput, int aMaxError=10)
Convert a Bezier curve to a polygon.
This class handle bitmap images in KiCad.
const wxImage * GetOriginalImageData() const
VECTOR2I GetSizePixels() const
EDA_ANGLE Rotation() const
static const wxCursor GetHiDPICursor(KICURSOR aCursorType)
static const wxCursor GetCursor(KICURSOR aCursorType)
void UnlockCtx(wxGLContext *aContext)
Allow other canvases to bind an OpenGL context.
void DestroyCtx(wxGLContext *aContext)
Destroy a managed OpenGL context.
void LockCtx(wxGLContext *aContext, wxGLCanvas *aCanvas)
Set a context as current and prevents other canvases from switching it.
wxGLContext * CreateCtx(wxGLCanvas *aCanvas, const wxGLContext *aOther=nullptr)
Create a managed OpenGL context.
static int SetSwapInterval(int aVal)
Attempt to set the OpenGL swap interval.
wxGLCanvas wrapper for HiDPI/Retina support.
virtual wxSize GetNativePixelSize() const
double GetScaleFactor() const
Get the current scale factor.
virtual bool IsStroke() const
virtual bool IsOutline() const
A color representation with 4 components: red, green, blue, alpha.
static const COLOR4D BLACK
OPENGL_ANTIALIASING_MODE gl_antialiasing_mode
Abstract interface for drawing on a 2D-surface.
bool IsTextMirrored() const
void SetGridColor(const COLOR4D &aGridColor)
Set the grid color.
virtual void SetLayerDepth(double aLayerDepth)
Set the depth of the layer (position on the z-axis)
bool IsCursorEnabled() const
Return information about cursor visibility.
MATRIX3x3D m_worldScreenMatrix
World transformation.
VECTOR2D GetVisibleGridSize() const
Return the visible grid size in x and y directions.
double m_layerDepth
The actual layer depth.
MATRIX3x3D m_screenWorldMatrix
Screen transformation.
friend class GAL_SCOPED_ATTRS
bool m_axesEnabled
Should the axes be drawn.
float m_gridLineWidth
Line width of the grid.
VECTOR2I m_screenSize
Screen size in screen (wx logical) coordinates.
GR_TEXT_H_ALIGN_T GetHorizontalJustify() const
void normalize(T &a, T &b)
Ensure that the first element is smaller than the second.
VECTOR2D m_depthRange
Range of the depth.
virtual void SetFillColor(const COLOR4D &aColor)
Set the fill color.
virtual bool SetNativeCursorStyle(KICURSOR aCursor, bool aHiDPI)
Set the cursor in the native panel.
GRID_STYLE m_gridStyle
Grid display style.
COLOR4D m_axesColor
Color of the axes.
const MATRIX3x3D & GetScreenWorldMatrix() const
Get the screen <-> world transformation matrix.
float m_lineWidth
The line width.
void computeWorldScale()
Compute the scaling factor for the world->screen matrix.
virtual void SetLineWidth(float aLineWidth)
Set the line width.
VECTOR2D m_gridSize
The grid size.
COLOR4D getCursorColor() const
Get the actual cursor color to draw.
COLOR4D m_fillColor
The fill color.
double m_worldUnitLength
The unit length of the world coordinates [inch].
virtual bool updatedGalDisplayOptions(const GAL_DISPLAY_OPTIONS &aOptions)
Handle updating display options.
void SetAxesColor(const COLOR4D &aAxesColor)
Set the axes color.
virtual void SetStrokeColor(const COLOR4D &aColor)
Set the stroke color.
VECTOR2D m_cursorPosition
Current cursor position (world coordinates)
const VECTOR2I & GetGlyphSize() const
int m_gridTick
Every tick line gets the double width.
double m_worldScale
The scale factor world->screen.
VECTOR2D m_gridOrigin
The grid origin.
KICURSOR m_currentNativeCursor
Current cursor.
bool m_globalFlipY
Flag for Y axis flipping.
bool m_fullscreenCursor
Shape of the cursor (fullscreen or small cross)
bool m_isFillEnabled
Is filling of graphic objects enabled ?
virtual void ComputeWorldScreenMatrix()
Compute the world <-> screen transformation matrix.
COLOR4D m_gridColor
Color of the grid.
COLOR4D m_strokeColor
The color of the outlines.
bool m_isStrokeEnabled
Are the outlines stroked ?
GAL_DISPLAY_OPTIONS & m_options
bool m_gridVisibility
Should the grid be shown.
virtual void BitmapText(const wxString &aText, const VECTOR2I &aPosition, const EDA_ANGLE &aAngle)
Draw a text using a bitmap font.
float GetLineWidth() const
Get the line width.
bool m_globalFlipX
Flag for X axis flipping.
GR_TEXT_V_ALIGN_T GetVerticalJustify() const
VECTOR2D m_lookAtPoint
Point to be looked at in world space.
GLuint cacheBitmap(const BITMAP_BASE *aBitmap)
const size_t m_cacheMaxElements
GLuint RequestBitmap(const BITMAP_BASE *aBitmap)
std::list< GLuint > m_freedTextureIds
const size_t m_cacheMaxSize
std::map< const KIID, CACHED_BITMAP > m_bitmaps
std::list< KIID > m_cacheLru
VECTOR2D GetAntialiasRenderingOffset() const
virtual void Begin() override
Call this at the beginning of each frame.
static const unsigned int DIRECT_RENDERING
virtual unsigned int GetBuffer() const override
Return currently used buffer handle.
OPENGL_ANTIALIASING_MODE GetAntialiasingMode() const
void SetAntialiasingMode(OPENGL_ANTIALIASING_MODE aMode)
virtual void Present() override
Call this to present the output buffer to the screen.
virtual void Initialize() override
Perform primary initialization, necessary to use the object.
virtual void ClearBuffer(const COLOR4D &aColor) override
Clear the selected buffer (set by the SetBuffer() function).
virtual void Resize(unsigned int aWidth, unsigned int aHeight) override
Clear the state of COMPOSITOR, so it has to be reinitialized again with the new dimensions.
virtual void DrawBuffer(unsigned int aBufferHandle) override
Draw the selected buffer to the output buffer.
int GetAntialiasSupersamplingFactor() const
virtual void SetBuffer(unsigned int aBufferHandle) override
Set the selected buffer as the rendering target.
virtual unsigned int CreateBuffer() override
Prepare a new buffer that may be used as a rendering target.
OpenGL implementation of the Graphics Abstraction Layer.
void Transform(const MATRIX3x3D &aTransformation) override
Transform the context.
void drawPolygon(GLdouble *aPoints, int aPointCount)
Draw a filled polygon.
void ChangeGroupDepth(int aGroupNumber, int aDepth) override
Change the depth (Z-axis position) of the group.
void skipMouseEvent(wxMouseEvent &aEvent)
Skip the mouse event to the parent.
void drawSegment(const VECTOR2D &aStartPoint, const VECTOR2D &aEndPoint, double aWidth, bool aReserve=true)
Internal method for segment drawing.
unsigned int m_groupCounter
Counter used for generating keys for groups.
void EndDiffLayer() override
Ends rendering of a differential layer.
VERTEX_MANAGER * m_overlayManager
Container for storing overlaid VERTEX_ITEMs.
void Scale(const VECTOR2D &aScale) override
Scale the context.
bool m_isInitialized
Basic initialization flag, has to be done when the window is visible.
VERTEX_MANAGER * m_currentManager
Currently used VERTEX_MANAGER (for storing VERTEX_ITEMs).
void drawCircle(const VECTOR2D &aCenterPoint, double aRadius, bool aReserve=true)
Internal method for circle drawing.
std::deque< std::shared_ptr< GLdouble > > m_tessIntersects
void DrawCircle(const VECTOR2D &aCenterPoint, double aRadius) override
Draw a circle using world coordinates.
void LockContext(int aClientCookie) override
Use GAL_CONTEXT_LOCKER RAII object unless you know what you're doing.
unsigned int m_mainBuffer
Main rendering target.
std::unique_ptr< GL_BITMAP_CACHE > m_bitmapCache
std::pair< VECTOR2D, float > computeBitmapTextSize(const UTF8 &aText) const
Compute a size of text drawn using bitmap font with current text setting applied.
void SetTarget(RENDER_TARGET aTarget) override
Set the target for rendering.
void blitCursor()
Blit cursor into the current screen.
static wxString CheckFeatures(GAL_DISPLAY_OPTIONS &aOptions)
Checks OpenGL features.
void ClearTarget(RENDER_TARGET aTarget) override
Clear the target for rendering.
void drawBitmapOverbar(double aLength, double aHeight, bool aReserve=true)
Draw an overbar over the currently drawn text.
void EndGroup() override
End the group.
bool m_isBitmapFontInitialized
Is the shader set to use bitmap fonts?
void drawSegmentChain(const std::function< VECTOR2D(int)> &aPointGetter, int aPointCount, double aWidth, bool aReserve=true)
Generic way of drawing a chain of segments stored in different containers.
void DrawArcSegment(const VECTOR2D &aCenterPoint, double aRadius, const EDA_ANGLE &aStartAngle, const EDA_ANGLE &aAngle, double aWidth, double aMaxError) override
Draw an arc segment.
void BitmapText(const wxString &aText, const VECTOR2I &aPosition, const EDA_ANGLE &aAngle) override
Draw a text using a bitmap font.
bool updatedGalDisplayOptions(const GAL_DISPLAY_OPTIONS &aOptions) override
Handle updating display options.
unsigned int m_overlayBuffer
Auxiliary rendering target (for menus etc.)
void PostPaint(wxPaintEvent &aEvent)
Post an event to #m_paint_listener.
OPENGL_COMPOSITOR * m_compositor
Handles multiple rendering targets.
VERTEX_MANAGER * m_cachedManager
Container for storing cached VERTEX_ITEMs.
void Translate(const VECTOR2D &aTranslation) override
Translate the context.
void DrawPolyline(const std::deque< VECTOR2D > &aPointList) override
Draw a polyline.
bool SetNativeCursorStyle(KICURSOR aCursor, bool aHiDPI) override
Set the cursor in the native panel.
void DrawCurve(const VECTOR2D &startPoint, const VECTOR2D &controlPointA, const VECTOR2D &controlPointB, const VECTOR2D &endPoint, double aFilterValue=0.0) override
Draw a cubic bezier spline.
void drawFilledSemiCircle(const VECTOR2D &aCenterPoint, double aRadius, double aAngle)
Draw a filled semicircle.
void onPaint(wxPaintEvent &aEvent)
This is the OnPaint event handler.
void DrawGroup(int aGroupNumber) override
Draw the stored group.
void Restore() override
Restore the context.
void DrawSegmentChain(const std::vector< VECTOR2D > &aPointList, double aWidth) override
Draw a chain of rounded segments.
void drawStrokedSemiCircle(const VECTOR2D &aCenterPoint, double aRadius, double aAngle, bool aReserve=true)
Draw a stroked semicircle.
unsigned int getNewGroupNumber()
Return a valid key that can be used as a new group number.
void Flush() override
Force all remaining objects to be drawn.
GLint ufm_antialiasingOffset
void DeleteGroup(int aGroupNumber) override
Delete the group from the memory.
bool IsVisible() const override
Return true if the GAL canvas is visible on the screen.
wxEvtHandler * m_mouseListener
int m_swapInterval
Used to store swap interval information.
void ClearCache() override
Delete all data created during caching of graphic items.
double getWorldPixelSize() const
void DrawSegment(const VECTOR2D &aStartPoint, const VECTOR2D &aEndPoint, double aWidth) override
Draw a rounded segment.
GROUPS_MAP m_groups
Stores information about VBO objects (groups)
void endUpdate() override
void ClearScreen() override
Clear the screen.
void ResizeScreen(int aWidth, int aHeight) override
Resizes the canvas.
void DrawPolygon(const std::deque< VECTOR2D > &aPointList) override
Draw a polygon.
void drawTriangulatedPolyset(const SHAPE_POLY_SET &aPoly, bool aStrokeTriangulation)
Draw a set of polygons with a cached triangulation.
void DrawCursor(const VECTOR2D &aCursorPosition) override
Draw the cursor.
void DrawRectangle(const VECTOR2D &aStartPoint, const VECTOR2D &aEndPoint) override
Draw a rectangle.
VERTEX_MANAGER * m_nonCachedManager
Container for storing non-cached VERTEX_ITEMs.
int drawBitmapChar(unsigned long aChar, bool aReserve=true)
Draw a single character using bitmap font.
GLUtesselator * m_tesselator
wxEvtHandler * m_paintListener
void StartDiffLayer() override
Begins rendering of a differential layer.
bool m_isContextLocked
Used for assertion checking.
void Save() override
Save the context.
wxCursor m_currentwxCursor
wxCursor showing the current native cursor.
bool m_isFramebufferInitialized
Are the framebuffers initialized?
void ComputeWorldScreenMatrix() override
Compute the world <-> screen transformation matrix.
bool Show(bool aShow) override
Shows/hides the GAL canvas.
static GLuint g_fontTexture
Bitmap font texture handle (shared)
virtual bool HasTarget(RENDER_TARGET aTarget) override
Return true if the target exists.
void reserveLineQuads(const int aLineCount)
Reserve specified number of line quads.
void DrawLine(const VECTOR2D &aStartPoint, const VECTOR2D &aEndPoint) override
Draw a line.
OPENGL_GAL(const KIGFX::VC_SETTINGS &aVcSettings, GAL_DISPLAY_OPTIONS &aDisplayOptions, wxWindow *aParent, wxEvtHandler *aMouseListener=nullptr, wxEvtHandler *aPaintListener=nullptr, const wxString &aName=wxT("GLCanvas"))
void beginUpdate() override
double calcAngleStep(double aRadius) const
Compute the angle step when drawing arcs/circles approximated with lines.
virtual void DrawGlyph(const KIFONT::GLYPH &aGlyph, int aNth, int aTotal) override
Draw a polygon representing a font glyph.
bool m_isGrouping
Was a group started?
void BeginDrawing() override
Start/end drawing functions, draw calls can be only made in between the calls to BeginDrawing()/EndDr...
GLint ufm_screenPixelSize
void Rotate(double aAngle) override
Rotate the context.
int BeginGroup() override
Begin a group.
GLint ufm_pixelSizeMultiplier
VECTOR2D getScreenPixelSize() const
void DrawBitmap(const BITMAP_BASE &aBitmap, double alphaBlend=1.0) override
Draw a bitmap image.
void drawPolyline(const std::function< VECTOR2D(int)> &aPointGetter, int aPointCount, bool aReserve=true)
Generic way of drawing a polyline stored in different containers.
RENDER_TARGET GetTarget() const override
Get the currently used target for rendering.
void skipGestureEvent(wxGestureEvent &aEvent)
Skip the gesture event to the parent.
void UnlockContext(int aClientCookie) override
void drawSemiCircle(const VECTOR2D &aCenterPoint, double aRadius, double aAngle)
Draw a semicircle.
void drawLineQuad(const VECTOR2D &aStartPoint, const VECTOR2D &aEndPoint, bool aReserve=true)
Draw a quad for the line.
VERTEX_MANAGER * m_tempManager
Container for storing temp (diff mode) VERTEX_ITEMs.
virtual void DrawGlyphs(const std::vector< std::unique_ptr< KIFONT::GLYPH > > &aGlyphs) override
Draw polygons representing font glyphs.
void onSetNativeCursor(wxSetCursorEvent &aEvent)
Give the correct cursor image when the native widget asks for it.
void EnableDepthTest(bool aEnabled=false) override
void EndDrawing() override
End the drawing, needs to be called for every new frame.
SHADER * m_shader
There is only one shader used for different objects.
void DrawArc(const VECTOR2D &aCenterPoint, double aRadius, const EDA_ANGLE &aStartAngle, const EDA_ANGLE &aAngle) override
Draw an arc.
void DrawPolylines(const std::vector< std::vector< VECTOR2D > > &aPointLists) override
Draw multiple polylines.
RENDER_TARGET m_currentTarget
Current rendering target.
wxGLContext * m_glPrivContext
Canvas-specific OpenGL context.
void ChangeGroupColor(int aGroupNumber, const COLOR4D &aNewColor) override
Change the color used to draw the group.
static bool m_isBitmapFontLoaded
Is the bitmap font texture loaded?
static wxGLContext * m_glMainContext
Parent OpenGL context.
unsigned int m_tempBuffer
Temporary rendering target (for diffing etc.)
void init()
Basic OpenGL initialization and feature checks.
static int m_instanceCounter
GL GAL instance counter.
Provide the access to the OpenGL shaders.
bool IsLinked() const
Return true if shaders are linked correctly.
void SetParameter(int aParameterNumber, float aValue) const
Set a parameter of the shader.
bool Link()
Link the shaders.
void Use()
Use the shader.
bool LoadShaderFromStrings(SHADER_TYPE aShaderType, Args &&... aArgs)
Add a shader and compile the shader sources.
int AddParameter(const std::string &aParameterName)
Add a parameter to the parameter queue.
void Deactivate()
Deactivate the shader and use the default OpenGL program.
Class to control vertex container and GPU with possibility of emulating old-style OpenGL 1....
void EndDrawing() const
Finish drawing operations.
bool Vertex(const VERTEX &aVertex)
Add a vertex with the given coordinates to the currently set item.
const glm::mat4 & GetTransformation() const
void Map()
Map vertex buffer.
void Clear() const
Remove all the stored vertices from the container.
void BeginDrawing() const
Prepare buffers and items to start drawing.
void ChangeItemColor(const VERTEX_ITEM &aItem, const COLOR4D &aColor) const
Change the color of all vertices owned by an item.
void Color(const COLOR4D &aColor)
Change currently used color that will be applied to newly added vertices.
bool Reserve(unsigned int aSize)
Allocate space for vertices, so it will be used with subsequent Vertex() calls.
void FinishItem() const
Clean after adding an item.
void ChangeItemDepth(const VERTEX_ITEM &aItem, GLfloat aDepth) const
Change the depth of all vertices owned by an item.
void Rotate(GLfloat aAngle, GLfloat aX, GLfloat aY, GLfloat aZ)
Multiply the current matrix by a rotation matrix, so the newly vertices will be rotated by the given ...
void EnableDepthTest(bool aEnabled)
Enable/disable Z buffer depth test.
void PopMatrix()
Pop the current transformation matrix stack.
void Shader(GLfloat aShaderType, GLfloat aParam1=0.0f, GLfloat aParam2=0.0f, GLfloat aParam3=0.0f)
Change currently used shader and its parameters that will be applied to newly added vertices.
void PushMatrix()
Push the current transformation matrix stack.
void Scale(GLfloat aX, GLfloat aY, GLfloat aZ)
Multiply the current matrix by a scaling matrix, so the newly vertices will be scaled by the given fa...
void Unmap()
Unmap vertex buffer.
void SetShader(SHADER &aShader) const
Set a shader program that is going to be used during rendering.
void Translate(GLfloat aX, GLfloat aY, GLfloat aZ)
Multiply the current matrix by a translation matrix, so newly vertices will be translated by the give...
void DrawItem(const VERTEX_ITEM &aItem) const
Draw an item to the buffer.
VECTOR2< T > GetScale() const
Get the scale components of the matrix.
GL_CONTEXT_MANAGER * GetGLContextManager()
A small class to help profiling.
void Stop()
Save the time when this function was called, and set the counter stane to stop.
void Start()
Start or restart the counter.
double msecs(bool aSinceLast=false)
Represent a polyline containing arcs as well as line segments: A chain of connected line and/or arc s...
bool IsClosed() const override
int PointCount() const
Return the number of points (vertices) in this line chain.
const VECTOR2I & CPoint(int aIndex) const
Return a reference to a given point in the line chain.
int SegmentCount() const
Return the number of segments in this line chain.
size_t GetTriangleCount() const
void GetTriangle(int index, VECTOR2I &a, VECTOR2I &b, VECTOR2I &c) const
Represent a set of closed polygons.
bool IsTriangulationUpToDate() const
POLYGON & Polygon(int aIndex)
Return the aIndex-th subpolygon in the set.
const TRIANGULATED_POLYGON * TriangulatedPolygon(int aIndex) const
unsigned int TriangulatedPolyCount() const
Return the number of triangulated polygons.
int OutlineCount() const
Return the number of outlines in the set.
const SHAPE_LINE_CHAIN & COutline(int aIndex) const
uni_iter is a non-mutating iterator that walks through unicode code points in the UTF8 encoded string...
An 8 bit string that is assuredly encoded in UTF8, and supplies special conversion support to and fro...
uni_iter uend() const
Return a uni_iter initialized to the end of "this" UTF8 byte sequence.
uni_iter ubegin() const
Returns a uni_iter initialized to the start of "this" UTF8 byte sequence.
T EuclideanNorm() const
Compute the Euclidean norm of the vector, which is defined as sqrt(x ** 2 + y ** 2).
static constexpr EDA_ANGLE FULL_CIRCLE
a few functions useful in geometry calculations.
int GetArcToSegmentCount(int aRadius, int aErrorMax, const EDA_ANGLE &aArcAngle)
const wxChar *const traceGalProfile
Flag to enable debug output of GAL performance profiling.
This file contains miscellaneous commonly used macros and functions.
FONT_IMAGE_TYPE font_image
const FONT_GLYPH_TYPE * LookupGlyph(unsigned int aCodepoint)
FONT_INFO_TYPE font_information
The Cairo implementation of the graphics abstraction layer.
@ SMALL_CROSS
Use small cross instead of dots for the grid.
@ DOTS
Use dots for the grid.
@ SHADER_TYPE_VERTEX
Vertex shader.
@ SHADER_TYPE_FRAGMENT
Fragment shader.
RENDER_TARGET
RENDER_TARGET: Possible rendering targets.
@ TARGET_NONCACHED
Auxiliary rendering target (noncached)
@ TARGET_TEMP
Temporary target for drawing in separate layer.
@ TARGET_CACHED
Main rendering target (cached)
@ TARGET_OVERLAY
Items that may change while the view stays the same (noncached)
EDA_ANGLE abs(const EDA_ANGLE &aAngle)
static void InitTesselatorCallbacks(GLUtesselator *aTesselator)
void CALLBACK CombineCallback(GLdouble coords[3], GLdouble *vertex_data[4], GLfloat weight[4], GLdouble **dataOut, void *aData)
void CALLBACK VertexCallback(GLvoid *aVertexPtr, void *aData)
void CALLBACK EdgeCallback(GLboolean aEdgeFlag)
static wxGLAttributes getGLAttribs()
void CALLBACK ErrorCallback(GLenum aErrorCode)
double round_to_half_pixel(double f, double r)
#define SEG_PER_CIRCLE_COUNT
#define CALLBACK
The default number of points for circle approximation.
void Refresh()
Update the board display after modifying it by a python script (note: it is automatically called by a...
PGM_BASE & Pgm()
The global program "get" accessor.
std::vector< FAB_LAYER_COLOR > dummy
unsigned char pixels[1024 *1024 *3]
unsigned int smooth_pixels
VERTEX_MANAGER * vboManager
Manager used for storing new vertices.
std::deque< std::shared_ptr< GLdouble > > & intersectPoints
Intersect points, that have to be freed after tessellation.
Structure to keep VIEW_CONTROLS settings for easy store/restore operations.
@ GR_TEXT_H_ALIGN_INDETERMINATE
@ GR_TEXT_V_ALIGN_INDETERMINATE
wxLogTrace helper definitions.
#define KI_TRACE(aWhat,...)
void enableGlDebug(bool aEnable)
Enable or disable OpenGL driver messages output.
int checkGlError(const std::string &aInfo, const char *aFile, int aLine, bool aThrow)
Check if a recent OpenGL operation has failed.
VECTOR2< int32_t > VECTOR2I
VECTOR2< double > VECTOR2D
VECTOR2I ToVECTOR2I(const wxSize &aSize)