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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#include "scpainter.h"
#include "scpattern.h"
#include "util_color.h"
#include "util.h"
#include "util_math.h"
#include <cairo.h>
#if CAIRO_HAS_FC_FONT
#include <cairo-ft.h>
#endif
#include "text/storytext.h"
#include "text/textshaper.h"
#include "text/glyphcluster.h"
#include <cmath>
#include <QDebug>
ScPainter::ScPainter(QImage *target, int w, int h, double transparency, int blendmode)
: m_image(target),
m_layerTransparency(transparency),
m_blendMode(blendmode)
{
Q_ASSERT(w >= 0);
Q_ASSERT(h >= 0);
setHatchParameters(0, 2, 0, false, QColor(), QColor(), 0.0, 0.0);
m_zoomStack.clear();
cairo_surface_t *img = cairo_image_surface_create_for_data(m_image->bits(), CAIRO_FORMAT_ARGB32, w, h, w * 4);
cairo_surface_set_device_scale(img, m_image->devicePixelRatio(), m_image->devicePixelRatio());
m_cr = cairo_create(img);
cairo_save(m_cr);
cairo_set_fill_rule (m_cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
cairo_set_tolerance(m_cr, 0.5);
}
ScPainter::~ScPainter()
{
cairo_surface_destroy(cairo_get_target(m_cr));
cairo_destroy(m_cr);
}
void ScPainter::beginLayer(double transparency, int blendmode, FPointArray *clipArray)
{
layerProp la;
la.blendmode = m_blendMode;
la.tranparency = m_layerTransparency;
m_layerTransparency = transparency;
m_blendMode = blendmode;
la.pushed = false;
la.groupClip.resize(0);
la.maskMode = m_maskMode;
la.mask_patternScaleX = m_mask_patternScaleX;
la.mask_patternScaleY = m_mask_patternScaleY;
la.mask_patternOffsetX = m_mask_patternOffsetX;
la.mask_patternOffsetY = m_mask_patternOffsetY;
la.mask_patternRotation = m_mask_patternRotation;
la.mask_patternSkewX = m_mask_patternSkewX;
la.mask_patternSkewY = m_mask_patternSkewY;
la.mask_patternMirrorX = m_mask_patternMirrorX;
la.mask_patternMirrorY = m_mask_patternMirrorY;
la.mask_gradientScale = m_mask_gradientScale;
la.mask_gradientSkew = m_mask_gradientSkew;
la.mask_gradient = mask_gradient;
la.maskPattern = m_maskPattern;
if (clipArray != nullptr)
la.groupClip = *clipArray;
la.data = cairo_get_group_target(m_cr);
la.fillRule = m_fillRule;
cairo_push_group(m_cr);
la.pushed = true;
m_Layers.push(la);
}
void ScPainter::endLayer()
{
layerProp la;
if (m_Layers.count() == 0)
return;
la = m_Layers.pop();
m_maskMode = la.maskMode;
m_mask_patternScaleX = la.mask_patternScaleX;
m_mask_patternScaleY = la.mask_patternScaleY;
m_mask_patternOffsetX = la.mask_patternOffsetX;
m_mask_patternOffsetY = la.mask_patternOffsetY;
m_mask_patternRotation = la.mask_patternRotation;
m_mask_patternSkewX = la.mask_patternSkewX;
m_mask_patternSkewY = la.mask_patternSkewY;
m_mask_patternMirrorX = la.mask_patternMirrorX;
m_mask_patternMirrorY = la.mask_patternMirrorY;
m_mask_gradientScale = la.mask_gradientScale;
m_mask_gradientSkew = la.mask_gradientSkew;
mask_gradient = la.mask_gradient;
m_maskPattern = la.maskPattern;
m_fillRule = la.fillRule;
if (la.pushed)
{
cairo_pop_group_to_source (m_cr);
if (!la.groupClip.empty())
{
if (m_fillRule)
cairo_set_fill_rule (m_cr, CAIRO_FILL_RULE_EVEN_ODD);
else
cairo_set_fill_rule (m_cr, CAIRO_FILL_RULE_WINDING);
setupPolygon(&la.groupClip);
setClipPath();
}
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
if (m_maskMode > 0)
{
cairo_pattern_t *patM = getMaskPattern();
setRasterOp(m_blendMode);
cairo_mask(m_cr, patM);
if ((m_maskMode == 2) || (m_maskMode == 4) || (m_maskMode == 5) || (m_maskMode == 6))
cairo_surface_destroy(m_imageMask);
cairo_pattern_destroy(patM);
}
else
{
setRasterOp(m_blendMode);
cairo_paint_with_alpha (m_cr, m_layerTransparency);
}
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
}
m_layerTransparency = la.tranparency;
m_blendMode = la.blendmode;
m_maskMode = 0;
}
void ScPainter::begin()
{
}
void ScPainter::end()
{
if (m_svgMode)
cairo_show_page (m_cr);
if (m_layeredMode)
{
cairo_surface_flush(cairo_get_target(m_cr));
cairo_restore(m_cr);
return;
}
}
void ScPainter::clear()
{
if (m_imageMode)
m_image->fill(qRgba(255, 255, 255, 255));
}
void ScPainter::clear(const QColor &c)
{
QRgb cs = c.rgb();
if (m_imageMode)
m_image->fill(qRgba(qRed(cs), qGreen(cs), qBlue(cs), qAlpha(cs)));
}
cairo_t *ScPainter::context()
{
return m_cr;
}
QTransform ScPainter::worldMatrix()
{
cairo_matrix_t matrix;
cairo_get_matrix(m_cr, &matrix);
QTransform mat(matrix.xx, matrix.yx, matrix.xy, matrix.yy, matrix.x0, matrix.y0);
return mat;
}
void ScPainter::setWorldMatrix(const QTransform &mat)
{
cairo_matrix_t matrix;
cairo_matrix_init(&matrix, mat.m11(), mat.m12(), mat.m21(), mat.m22(), mat.dx(), mat.dy());
cairo_set_matrix(m_cr, &matrix);
}
void ScPainter::setAntialiasing(bool enable)
{
if (enable)
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_DEFAULT);
else
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_NONE);
}
void ScPainter::setZoomFactor(double zoomFactor)
{
m_zoomFactor = zoomFactor;
cairo_scale (m_cr, m_zoomFactor, m_zoomFactor);
}
void ScPainter::translate(double x, double y)
{
cairo_translate (m_cr, x, y);
}
void ScPainter::translate(const QPointF& offset)
{
cairo_translate (m_cr, offset.x(), offset.y());
}
void ScPainter::rotate(double r)
{
cairo_rotate (m_cr, r * 3.1415927 / 180.0);
}
void ScPainter::scale(double x, double y)
{
cairo_scale (m_cr, x, y);
m_zoomFactor *= qMax(x, y);
}
void ScPainter::moveTo(const double &x, const double &y)
{
cairo_move_to(m_cr, x, y);
}
void
ScPainter::lineTo(const double &x, const double &y)
{
cairo_line_to(m_cr, x, y);
}
void ScPainter::curveTo(const FPoint& p1, const FPoint& p2, const FPoint& p3)
{
cairo_curve_to(m_cr, p1.x(), p1.y(), p2.x(), p2.y(), p3.x(), p3.y());
}
void ScPainter::newPath()
{
cairo_new_path(m_cr);
}
void ScPainter::closePath()
{
cairo_close_path(m_cr);
}
void ScPainter::setFillRule(bool fillRule)
{
m_fillRule = fillRule;
}
void ScPainter::setFillMode(int fill)
{
m_fillMode = fill;
}
void ScPainter::setStrokeMode(int stroke)
{
m_strokeMode = stroke;
}
void ScPainter::setGradient(VGradient::VGradientType mode, const FPoint& orig, const FPoint& vec, const FPoint& foc, double scale, double skew)
{
fill_gradient.setType(mode);
fill_gradient.setOrigin(orig);
fill_gradient.setVector(vec);
fill_gradient.setFocalPoint(foc);
stroke_gradient.setType(mode);
stroke_gradient.setOrigin(orig);
stroke_gradient.setVector(vec);
stroke_gradient.setFocalPoint(foc);
m_gradientScale = scale;
if (skew == 90.0)
m_gradientSkew = 1;
else if (skew == 180.0)
m_gradientSkew = 0;
else if (skew == 270.0)
m_gradientSkew = -1;
else if (skew == 360.0)
m_gradientSkew = 0;
else
m_gradientSkew = tan(M_PI / 180.0 * skew);
}
void ScPainter::setMaskMode(int mask)
{
m_maskMode = mask;
}
void ScPainter::setGradientMask(VGradient::VGradientType mode, const FPoint& orig, const FPoint& vec, const FPoint& foc, double scale, double skew)
{
mask_gradient.setType(mode);
mask_gradient.setOrigin(orig);
mask_gradient.setVector(vec);
mask_gradient.setFocalPoint(foc);
m_mask_gradientScale = scale;
if (skew == 90.0)
m_mask_gradientSkew = 1;
else if (skew == 180.0)
m_mask_gradientSkew = 0;
else if (skew == 270.0)
m_mask_gradientSkew = -1;
else if (skew == 360.0)
m_mask_gradientSkew = 0;
else
m_mask_gradientSkew = tan(M_PI / 180.0 * skew);
}
void ScPainter::setPatternMask(ScPattern *pattern, double scaleX, double scaleY, double offsetX, double offsetY, double rotation, double skewX, double skewY, bool mirrorX, bool mirrorY)
{
m_maskPattern = pattern;
m_mask_patternScaleX = scaleX / 100.0;
m_mask_patternScaleY = scaleY / 100.0;
m_mask_patternOffsetX = offsetX;
m_mask_patternOffsetY = offsetY;
m_mask_patternRotation = rotation;
m_mask_patternSkewX = skewX;
m_mask_patternSkewY = skewY;
m_mask_patternMirrorX = mirrorX;
m_mask_patternMirrorY = mirrorY;
}
void ScPainter::set4ColorGeometry(const FPoint& p1, const FPoint& p2, const FPoint& p3, const FPoint& p4, const FPoint& c1, const FPoint& c2, const FPoint& c3, const FPoint& c4)
{
fill_gradient.setType(VGradient::fourcolor);
gradPatchP1 = p1;
gradPatchP2 = p2;
gradPatchP3 = p3;
gradPatchP4 = p4;
gradControlP1 = c1;
gradControlP2 = c2;
gradControlP3 = c3;
gradControlP4 = c4;
}
void ScPainter::set4ColorColors(const QColor& col1, const QColor& col2, const QColor& col3, const QColor& col4)
{
gradPatchColor1 = col1;
gradPatchColor2 = col2;
gradPatchColor3 = col3;
gradPatchColor4 = col4;
}
void ScPainter::setDiamondGeometry(const FPoint& p1, const FPoint& p2, const FPoint& p3, const FPoint& p4, const FPoint& c1, const FPoint& c2, const FPoint& c3, const FPoint& c4, const FPoint& c5)
{
fill_gradient.setType(VGradient::diamond);
gradPatchP1 = p1;
gradPatchP2 = p2;
gradPatchP3 = p3;
gradPatchP4 = p4;
gradControlP1 = c1;
gradControlP2 = c2;
gradControlP3 = c3;
gradControlP4 = c4;
gradControlP5 = c5;
}
void ScPainter::setMeshGradient(const FPoint& p1, const FPoint& p2, const FPoint& p3, const FPoint& p4, const QList<QList<MeshPoint>>& meshArray)
{
fill_gradient.setType(VGradient::mesh);
meshGradientArray = meshArray;
gradPatchP1 = p1;
gradPatchP2 = p2;
gradPatchP3 = p3;
gradPatchP4 = p4;
}
void ScPainter::setMeshGradient(const FPoint& p1, const FPoint& p2, const FPoint& p3, const FPoint& p4, const QList<meshGradientPatch>& meshPatches)
{
fill_gradient.setType(VGradient::freemesh);
meshGradientPatches = meshPatches;
gradPatchP1 = p1;
gradPatchP2 = p2;
gradPatchP3 = p3;
gradPatchP4 = p4;
}
void ScPainter::setHatchParameters(int mode, double distance, double angle, bool useBackground, const QColor& background, const QColor& foreground, double width, double height)
{
m_hatchType = mode;
m_hatchDistance = distance;
m_hatchAngle = angle;
m_hatchUseBackground = useBackground;
m_hatchBackground = background;
m_hatchForeground = foreground;
m_hatchWidth = width;
m_hatchHeight = height;
}
void ScPainter::fillPath()
{
if (m_fillMode != 0)
fillPathHelper();
}
void ScPainter::strokePath()
{
// if (LineWidth == 0)
// return;
if (m_strokeMode != 0)
strokePathHelper();
}
QColor ScPainter::pen()
{
return m_stroke;
}
QColor ScPainter::brush()
{
return m_fill;
}
double ScPainter::brushOpacity()
{
return m_fill_trans;
}
void ScPainter::setPen(const QColor &c)
{
m_stroke = c;
}
void ScPainter::setPen(const QColor &c, double w, Qt::PenStyle st, Qt::PenCapStyle ca, Qt::PenJoinStyle jo)
{
m_stroke = c;
m_LineWidth = w;
PLineEnd = ca;
PLineJoin = jo;
m_offset = 0;
getDashArray(st, w, m_array);
}
void ScPainter::setLineWidth(double w)
{
m_LineWidth = w;
}
void ScPainter::setPenOpacity(double op)
{
m_stroke_trans = op;
}
void ScPainter::setDash(const QVector<double>& array, double ofs)
{
m_array = array;
m_offset = ofs;
}
void ScPainter::setBrush(const QColor &c)
{
m_fill = c;
}
void ScPainter::setBrushOpacity(double op)
{
m_fill_trans = op;
}
void ScPainter::setOpacity(double op)
{
m_fill_trans = op;
m_stroke_trans = op;
}
void ScPainter::setFont(const ScFace &f, double s)
{
m_font = f;
m_fontSize = s;
}
void ScPainter::save()
{
cairo_save(m_cr);
m_zoomStack.push(m_zoomFactor);
}
void ScPainter::restore()
{
cairo_restore(m_cr);
if (!m_zoomStack.isEmpty())
m_zoomFactor = m_zoomStack.pop();
}
int ScPainter::blendModeFill()
{
return m_blendModeFill;
}
void ScPainter::setRasterOp(int blendMode)
{
if (blendMode == 0)
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
else if (blendMode == 1)
cairo_set_operator(m_cr, CAIRO_OPERATOR_DARKEN);
else if (blendMode == 2)
cairo_set_operator(m_cr, CAIRO_OPERATOR_LIGHTEN);
else if (blendMode == 3)
cairo_set_operator(m_cr, CAIRO_OPERATOR_MULTIPLY);
else if (blendMode == 4)
cairo_set_operator(m_cr, CAIRO_OPERATOR_SCREEN);
else if (blendMode == 5)
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVERLAY);
else if (blendMode == 6)
cairo_set_operator(m_cr, CAIRO_OPERATOR_HARD_LIGHT);
else if (blendMode == 7)
cairo_set_operator(m_cr, CAIRO_OPERATOR_SOFT_LIGHT);
else if (blendMode == 8)
cairo_set_operator(m_cr, CAIRO_OPERATOR_DIFFERENCE);
else if (blendMode == 9)
cairo_set_operator(m_cr, CAIRO_OPERATOR_EXCLUSION);
else if (blendMode == 10)
cairo_set_operator(m_cr, CAIRO_OPERATOR_COLOR_DODGE);
else if (blendMode == 11)
cairo_set_operator(m_cr, CAIRO_OPERATOR_COLOR_BURN);
else if (blendMode == 12)
cairo_set_operator(m_cr, CAIRO_OPERATOR_HSL_HUE);
else if (blendMode == 13)
cairo_set_operator(m_cr, CAIRO_OPERATOR_HSL_SATURATION);
else if (blendMode == 14)
cairo_set_operator(m_cr, CAIRO_OPERATOR_HSL_COLOR);
else if (blendMode == 15)
cairo_set_operator(m_cr, CAIRO_OPERATOR_HSL_LUMINOSITY);
else if (blendMode == 16)
cairo_set_operator(m_cr, CAIRO_OPERATOR_ADD);
else if (blendMode == 17)
cairo_set_operator(m_cr, CAIRO_OPERATOR_DEST_IN);
else if (blendMode == 18)
cairo_set_operator(m_cr, CAIRO_OPERATOR_DEST_OUT);
else if (blendMode == 19)
cairo_set_operator(m_cr, CAIRO_OPERATOR_CLEAR);
else
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
}
void ScPainter::setBlendModeFill(int blendMode)
{
m_blendModeFill = blendMode;
}
void ScPainter::setBlendModeStroke(int blendMode)
{
m_blendModeStroke = blendMode;
}
void ScPainter::setPattern(ScPattern *pattern, double scaleX, double scaleY, double offsetX, double offsetY, double rotation, double skewX, double skewY, bool mirrorX, bool mirrorY)
{
m_pattern = pattern;
m_patternScaleX = scaleX / 100.0;
m_patternScaleY = scaleY / 100.0;
m_patternOffsetX = offsetX;
m_patternOffsetY = offsetY;
m_patternRotation = rotation;
m_patternSkewX = skewX;
m_patternSkewY = skewY;
m_patternMirrorX = mirrorX;
m_patternMirrorY = mirrorY;
}
cairo_pattern_t * ScPainter::getMaskPattern()
{
cairo_save(m_cr);
cairo_pattern_t *pat;
if ((m_maskMode == 1) || (m_maskMode == 3))
{
double x1 = mask_gradient.origin().x();
double y1 = mask_gradient.origin().y();
double x2 = mask_gradient.vector().x();
double y2 = mask_gradient.vector().y();
double fx = mask_gradient.focalPoint().x();
double fy = mask_gradient.focalPoint().y();
if (mask_gradient.type() == VGradient::linear)
pat = cairo_pattern_create_linear (x1, y1, x2, y2);
else
pat = cairo_pattern_create_radial (fx, fy, 0, x1, y1, sqrt(pow(x2 - x1, 2) + pow(y2 - y1,2)));
QList<VColorStop*> colorStops = mask_gradient.colorStops();
QColor qStopColor;
for (int offset = 0 ; offset < colorStops.count() ; offset++)
{
qStopColor = colorStops[ offset ]->color;
double a = colorStops[offset]->opacity;
float r, g, b;
qStopColor.getRgbF(&r, &g, &b);
if (m_maskMode == 3)
a = /* 1.0 - */(0.3 * r + 0.59 * g + 0.11 * b);
cairo_pattern_add_color_stop_rgba (pat, colorStops[ offset ]->rampPoint, r, g, b, a);
}
cairo_matrix_t matrix;
QTransform qmatrix;
if (mask_gradient.type() == VGradient::radial)
{
double rotEnd = xy2Deg(x2 - x1, y2 - y1);
qmatrix.translate(x1, y1);
qmatrix.rotate(rotEnd);
qmatrix.shear(m_mask_gradientSkew, 0);
qmatrix.translate(0, y1 * (1.0 - m_mask_gradientScale));
qmatrix.translate(-x1, -y1);
qmatrix.scale(1, m_mask_gradientScale);
}
else
{
qmatrix.translate(x1, y1);
qmatrix.shear(-m_mask_gradientSkew, 0);
qmatrix.translate(-x1, -y1);
}
cairo_matrix_init(&matrix, qmatrix.m11(), qmatrix.m12(), qmatrix.m21(), qmatrix.m22(), qmatrix.dx(), qmatrix.dy());
cairo_matrix_invert(&matrix);
cairo_pattern_set_matrix (pat, &matrix);
}
else
{
if ((m_maskMode == 4) || (m_maskMode == 5))
{
m_imageQ = m_maskPattern->pattern.copy();
if (m_maskMode == 5)
m_imageQ.invertPixels();
int h = m_imageQ.height();
int w = m_imageQ.width();
int k;
QRgb *s;
QRgb r;
for (int yi = 0; yi < h; ++yi)
{
s = (QRgb*)(m_imageQ.scanLine(yi));
for (int xi = 0; xi < w; ++xi)
{
r = *s;
if (qAlpha(r) == 0)
k = 0; // 255;
else
k = qMin(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r)), 255);
*s = qRgba(qRed(r), qGreen(r), qBlue(r), /* 255 - */ k);
s++;
}
}
m_imageMask = cairo_image_surface_create_for_data (m_imageQ.bits(), CAIRO_FORMAT_ARGB32, w, h, w * 4);
}
else
{
m_imageQ = m_maskPattern->pattern.copy();
if (m_maskMode == 6)
m_imageQ.invertPixels(QImage::InvertRgba);
m_imageMask = cairo_image_surface_create_for_data (m_imageQ.bits(), CAIRO_FORMAT_ARGB32, m_maskPattern->getPattern()->width(), m_maskPattern->getPattern()->height(), m_maskPattern->getPattern()->width() * 4);
}
pat = cairo_pattern_create_for_surface(m_imageMask);
cairo_pattern_set_extend(pat, CAIRO_EXTEND_REPEAT);
cairo_pattern_set_filter(pat, CAIRO_FILTER_GOOD);
cairo_matrix_t matrix;
QTransform qmatrix;
qmatrix.translate(m_mask_patternOffsetX, m_mask_patternOffsetY);
qmatrix.rotate(m_mask_patternRotation);
qmatrix.shear(-m_mask_patternSkewX, m_mask_patternSkewY);
qmatrix.scale(m_mask_patternScaleX, m_mask_patternScaleY);
qmatrix.scale(m_maskPattern->width / static_cast<double>(m_maskPattern->getPattern()->width()), m_maskPattern->height / static_cast<double>(m_maskPattern->getPattern()->height()));
if (m_mask_patternMirrorX)
qmatrix.scale(-1, 1);
if (m_mask_patternMirrorY)
qmatrix.scale(1, -1);
cairo_matrix_init(&matrix, qmatrix.m11(), qmatrix.m12(), qmatrix.m21(), qmatrix.m22(), qmatrix.dx(), qmatrix.dy());
cairo_matrix_invert(&matrix);
cairo_pattern_set_matrix (pat, &matrix);
}
cairo_restore(m_cr);
return pat;
}
void ScPainter::fillPathHelper()
{
cairo_save(m_cr);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
if (m_fillRule)
cairo_set_fill_rule (m_cr, CAIRO_FILL_RULE_EVEN_ODD);
else
cairo_set_fill_rule (m_cr, CAIRO_FILL_RULE_WINDING);
if (m_fillMode == 1)
{
float r, g, b;
m_fill.getRgbF(&r, &g, &b);
if (m_maskMode > 0)
{
cairo_pattern_t *pat = getMaskPattern();
cairo_set_source_rgb(m_cr, r, g, b);
setRasterOp(m_blendModeFill);
cairo_clip_preserve(m_cr);
cairo_mask(m_cr, pat);
if ((m_maskMode == 2) || (m_maskMode == 4) || (m_maskMode == 5) || (m_maskMode == 6))
cairo_surface_destroy(m_imageMask);
cairo_pattern_destroy(pat);
}
else
{
cairo_set_source_rgba(m_cr, r, g, b, m_fill_trans);
setRasterOp(m_blendModeFill);
cairo_fill_preserve(m_cr);
}
}
else if (m_fillMode == 2)
{
cairo_pattern_t *pat = nullptr;
cairo_surface_t *img = nullptr;
cairo_t *cr = nullptr;
cairo_pattern_t *mpat = nullptr;
if (fill_gradient.type() == VGradient::fourcolor)
{
double p1x = gradPatchP1.x();
double p1y = gradPatchP1.y();
double p2x = gradPatchP2.x();
double p2y = gradPatchP2.y();
double p3x = gradPatchP3.x();
double p3y = gradPatchP3.y();
double p4x = gradPatchP4.x();
double p4y = gradPatchP4.y();
img = cairo_surface_create_similar(cairo_get_target(m_cr), CAIRO_CONTENT_COLOR_ALPHA, p3x, p3y);
cr = cairo_create(img);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_tolerance(cr, 0.5);
float r, g, b, a;
mpat = cairo_pattern_create_mesh();
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, p1x, p1y);
cairo_mesh_pattern_line_to(mpat, p2x, p2y);
cairo_mesh_pattern_line_to(mpat, p3x, p3y);
cairo_mesh_pattern_line_to(mpat, p4x, p4y);
cairo_mesh_pattern_line_to(mpat, p1x, p1y);
cairo_mesh_pattern_set_control_point(mpat, 0, gradControlP1.x(), gradControlP1.y());
cairo_mesh_pattern_set_control_point(mpat, 1, gradControlP2.x(), gradControlP2.y());
cairo_mesh_pattern_set_control_point(mpat, 2, gradControlP3.x(), gradControlP3.y());
cairo_mesh_pattern_set_control_point(mpat, 3, gradControlP4.x(), gradControlP4.y());
gradPatchColor1.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
gradPatchColor2.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
gradPatchColor3.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
gradPatchColor4.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 3, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
cairo_pattern_set_filter(mpat, CAIRO_FILTER_GOOD);
cairo_set_source(cr, mpat);
cairo_paint_with_alpha(cr, 1.0);
pat = cairo_pattern_create_for_surface(img);
cairo_pattern_set_extend(pat, CAIRO_EXTEND_NONE);
cairo_pattern_set_filter(pat, CAIRO_FILTER_GOOD);
}
else if (fill_gradient.type() == VGradient::diamond)
{
double p1x = gradControlP1.x();
double p1y = gradControlP1.y();
double p2x = gradControlP2.x();
double p2y = gradControlP2.y();
double p3x = gradControlP3.x();
double p3y = gradControlP3.y();
double p4x = gradControlP4.x();
double p4y = gradControlP4.y();
img = cairo_surface_create_similar(cairo_get_target(m_cr), CAIRO_CONTENT_COLOR_ALPHA, gradPatchP3.x(), gradPatchP3.y());
cr = cairo_create(img);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_tolerance(cr, 0.5);
float r, g, b, a;
QList<VColorStop*> colorStops = fill_gradient.colorStops();
QList<QColor> qStopColors;
QList<double> qStopRampPoints;
QColor qStopColor;
for (int offset = 0 ; offset < colorStops.count() ; offset++)
{
qStopColor = colorStops[ offset ]->color;
qStopColor.setAlphaF(colorStops[offset]->opacity);
if (offset == 0)
{
if (colorStops[offset]->rampPoint > 0)
{
qStopRampPoints.append(0);
qStopColors.append(qStopColor);
}
}
qStopColors.append(qStopColor);
qStopRampPoints.append(colorStops[offset]->rampPoint);
}
qStopColors.last().getRgbF(&r, &g, &b, &a);
QPointF centerP(gradControlP5.x(), gradControlP5.y());
QLineF edge1(centerP, QPointF(p1x, p1y));
QLineF edge2(centerP, QPointF(p2x, p2y));
QLineF edge3(centerP, QPointF(p3x, p3y));
QLineF edge4(centerP, QPointF(p4x, p4y));
QPointF p1 = edge1.pointAt(colorStops.last()->rampPoint);
QPointF p2 = edge2.pointAt(colorStops.last()->rampPoint);
QPointF p3 = edge3.pointAt(colorStops.last()->rampPoint);
QPointF p4 = edge4.pointAt(colorStops.last()->rampPoint);
cairo_set_source_rgba(cr, r, g, b, a);
cairo_paint_with_alpha(cr, 1.0);
cairo_set_operator(cr, CAIRO_OPERATOR_DEST_OUT);
cairo_new_path(cr);
cairo_move_to(cr, p1.x(), p1.y());
cairo_line_to(cr, p2.x(), p2.y());
cairo_line_to(cr, p3.x(), p3.y());
cairo_line_to(cr, p4.x(), p4.y());
cairo_close_path(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_fill(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
mpat = cairo_pattern_create_mesh();
for (int offset = 1 ; offset < qStopRampPoints.count() ; offset++)
{
QLineF e1 = edge1;
QLineF e1s = edge1;
QLineF e2 = edge2;
QLineF e2s = edge2;
QLineF e3 = edge3;
QLineF e3s = edge3;
QLineF e4 = edge4;
QLineF e4s = edge4;
e1.setLength(edge1.length() * qStopRampPoints[ offset ]);
e2.setLength(edge2.length() * qStopRampPoints[ offset ]);
e3.setLength(edge3.length() * qStopRampPoints[ offset ]);
e4.setLength(edge4.length() * qStopRampPoints[ offset ]);
e1s.setLength(edge1.length() * qStopRampPoints[ offset - 1 ]);
e2s.setLength(edge2.length() * qStopRampPoints[ offset - 1 ]);
e3s.setLength(edge3.length() * qStopRampPoints[ offset - 1 ]);
e4s.setLength(edge4.length() * qStopRampPoints[ offset - 1 ]);
if (offset == 1)
{
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, centerP.x(), centerP.y());
cairo_mesh_pattern_line_to(mpat, e1.x2(), e1.y2());
cairo_mesh_pattern_line_to(mpat, e2.x2(), e2.y2());
qStopColors[0].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, centerP.x(), centerP.y());
cairo_mesh_pattern_line_to(mpat, e2.x2(), e2.y2());
cairo_mesh_pattern_line_to(mpat, e3.x2(), e3.y2());
qStopColors[0].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, centerP.x(), centerP.y());
cairo_mesh_pattern_line_to(mpat, e3.x2(), e3.y2());
cairo_mesh_pattern_line_to(mpat, e4.x2(), e4.y2());
qStopColors[0].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, centerP.x(), centerP.y());
cairo_mesh_pattern_line_to(mpat, e4.x2(), e4.y2());
cairo_mesh_pattern_line_to(mpat, e1.x2(), e1.y2());
qStopColors[0].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
}
else
{
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, e1s.x2(), e1s.y2());
cairo_mesh_pattern_line_to(mpat, e1.x2(), e1.y2());
cairo_mesh_pattern_line_to(mpat, e2.x2(), e2.y2());
cairo_mesh_pattern_line_to(mpat, e2s.x2(), e2s.y2());
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[offset].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 3, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, e2s.x2(), e2s.y2());
cairo_mesh_pattern_line_to(mpat, e2.x2(), e2.y2());
cairo_mesh_pattern_line_to(mpat, e3.x2(), e3.y2());
cairo_mesh_pattern_line_to(mpat, e3s.x2(), e3s.y2());
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[offset].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 3, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, e3s.x2(), e3s.y2());
cairo_mesh_pattern_line_to(mpat, e3.x2(), e3.y2());
cairo_mesh_pattern_line_to(mpat, e4.x2(), e4.y2());
cairo_mesh_pattern_line_to(mpat, e4s.x2(), e4s.y2());
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[offset].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 3, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, e4s.x2(), e4s.y2());
cairo_mesh_pattern_line_to(mpat, e4.x2(), e4.y2());
cairo_mesh_pattern_line_to(mpat, e1.x2(), e1.y2());
cairo_mesh_pattern_line_to(mpat, e1s.x2(), e1s.y2());
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
qStopColors[offset].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
qStopColors[offset - 1].getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 3, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
}
}
cairo_pattern_set_filter(mpat, CAIRO_FILTER_GOOD);
cairo_set_source(cr, mpat);
cairo_paint_with_alpha(cr, 1.0);
pat = cairo_pattern_create_for_surface(img);
cairo_pattern_set_extend(pat, CAIRO_EXTEND_PAD);
cairo_pattern_set_filter(pat, CAIRO_FILTER_GOOD);
}
else if (fill_gradient.type() == VGradient::mesh)
{
double p3x = gradPatchP3.x();
double p3y = gradPatchP3.y();
img = cairo_surface_create_similar(cairo_get_target(m_cr), CAIRO_CONTENT_COLOR_ALPHA, p3x, p3y);
cr = cairo_create(img);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_tolerance(cr, 0.5);
float r, g, b, a;
mpat = cairo_pattern_create_mesh();
for (int grow = 0; grow < meshGradientArray.count()-1; grow++)
{
for (int gcol = 0; gcol < meshGradientArray[grow].count()-1; gcol++)
{
MeshPoint mp1 = meshGradientArray[grow][gcol];
MeshPoint mp2 = meshGradientArray[grow][gcol + 1];
MeshPoint mp3 = meshGradientArray[grow + 1][gcol + 1];
MeshPoint mp4 = meshGradientArray[grow + 1][gcol];
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, mp1.gridPoint.x(), mp1.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp1.controlRight.x(), mp1.controlRight.y(), mp2.controlLeft.x(), mp2.controlLeft.y(), mp2.gridPoint.x(), mp2.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp2.controlBottom.x(), mp2.controlBottom.y(), mp3.controlTop.x(), mp3.controlTop.y(), mp3.gridPoint.x(), mp3.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp3.controlLeft.x(), mp3.controlLeft.y(), mp4.controlRight.x(), mp4.controlRight.y(), mp4.gridPoint.x(), mp4.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp4.controlTop.x(), mp4.controlTop.y(), mp1.controlBottom.x(), mp1.controlBottom.y(), mp1.gridPoint.x(), mp1.gridPoint.y());
cairo_mesh_pattern_set_control_point(mpat, 0, mp1.controlColor.x(), mp1.controlColor.y());
cairo_mesh_pattern_set_control_point(mpat, 1, mp2.controlColor.x(), mp2.controlColor.y());
cairo_mesh_pattern_set_control_point(mpat, 2, mp3.controlColor.x(), mp3.controlColor.y());
cairo_mesh_pattern_set_control_point(mpat, 3, mp4.controlColor.x(), mp4.controlColor.y());
mp1.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
mp2.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
mp3.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
mp4.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 3, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
}
}
cairo_pattern_set_filter(mpat, CAIRO_FILTER_BEST);
cairo_set_source(cr, mpat);
cairo_paint_with_alpha(cr, 1.0);
pat = cairo_pattern_create_for_surface(img);
cairo_pattern_set_extend(pat, CAIRO_EXTEND_NONE);
cairo_pattern_set_filter(pat, CAIRO_FILTER_BEST);
}
else if (fill_gradient.type() == VGradient::freemesh)
{
double p3x = gradPatchP3.x();
double p3y = gradPatchP3.y();
img = cairo_surface_create_similar(cairo_get_target(m_cr), CAIRO_CONTENT_COLOR_ALPHA, p3x, p3y);
cr = cairo_create(img);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_tolerance(cr, 0.5);
float r, g, b, a;
mpat = cairo_pattern_create_mesh();
for (int col = 0; col < meshGradientPatches.count(); col++)
{
meshGradientPatch patch = meshGradientPatches[col];
MeshPoint mp1 = patch.TL;
MeshPoint mp2 = patch.TR;
MeshPoint mp3 = patch.BR;
MeshPoint mp4 = patch.BL;
cairo_mesh_pattern_begin_patch(mpat);
cairo_mesh_pattern_move_to(mpat, mp1.gridPoint.x(), mp1.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp1.controlRight.x(), mp1.controlRight.y(), mp2.controlLeft.x(), mp2.controlLeft.y(), mp2.gridPoint.x(), mp2.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp2.controlBottom.x(), mp2.controlBottom.y(), mp3.controlTop.x(), mp3.controlTop.y(), mp3.gridPoint.x(), mp3.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp3.controlLeft.x(), mp3.controlLeft.y(), mp4.controlRight.x(), mp4.controlRight.y(), mp4.gridPoint.x(), mp4.gridPoint.y());
cairo_mesh_pattern_curve_to(mpat, mp4.controlTop.x(), mp4.controlTop.y(), mp1.controlBottom.x(), mp1.controlBottom.y(), mp1.gridPoint.x(), mp1.gridPoint.y());
cairo_mesh_pattern_set_control_point(mpat, 0, mp1.controlColor.x(), mp1.controlColor.y());
cairo_mesh_pattern_set_control_point(mpat, 1, mp2.controlColor.x(), mp2.controlColor.y());
cairo_mesh_pattern_set_control_point(mpat, 2, mp3.controlColor.x(), mp3.controlColor.y());
cairo_mesh_pattern_set_control_point(mpat, 3, mp4.controlColor.x(), mp4.controlColor.y());
mp1.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 0, r, g, b, a);
mp2.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 1, r, g, b, a);
mp3.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 2, r, g, b, a);
mp4.color.getRgbF(&r, &g, &b, &a);
cairo_mesh_pattern_set_corner_color_rgba(mpat, 3, r, g, b, a);
cairo_mesh_pattern_end_patch(mpat);
}
cairo_pattern_set_filter(mpat, CAIRO_FILTER_BEST);
cairo_set_source(cr, mpat);
cairo_paint_with_alpha(cr, 1.0);
pat = cairo_pattern_create_for_surface(img);
cairo_pattern_set_extend(pat, CAIRO_EXTEND_NONE);
cairo_pattern_set_filter(pat, CAIRO_FILTER_BEST);
}
else
{
bool isFirst = true;
double rampPoint, lastPoint = 0.0;
double x1 = fill_gradient.origin().x();
double y1 = fill_gradient.origin().y();
double x2 = fill_gradient.vector().x();
double y2 = fill_gradient.vector().y();
double fx = fill_gradient.focalPoint().x();
double fy = fill_gradient.focalPoint().y();
if (fill_gradient.type() == VGradient::linear)
pat = cairo_pattern_create_linear (x1, y1, x2, y2);
else
pat = cairo_pattern_create_radial (fx, fy, 0, x1, y1, sqrt(pow(x2 - x1, 2) + pow(y2 - y1,2)));
if (fill_gradient.repeatMethod() == VGradient::none)
cairo_pattern_set_extend(pat, CAIRO_EXTEND_NONE);
else
cairo_pattern_set_extend(pat, CAIRO_EXTEND_PAD);
cairo_pattern_set_filter(pat, CAIRO_FILTER_GOOD);
QList<VColorStop*> colorStops = fill_gradient.colorStops();
for (int offset = 0 ; offset < colorStops.count() ; offset++)
{
rampPoint = colorStops[ offset ]->rampPoint;
if ((lastPoint == rampPoint) && (!isFirst))
continue;
isFirst = false;
double a = colorStops[offset]->opacity;
float r, g, b;
colorStops[ offset ]->color.getRgbF(&r, &g, &b);
cairo_pattern_add_color_stop_rgba (pat, colorStops[ offset ]->rampPoint, r, g, b, a);
lastPoint = rampPoint;
}
cairo_matrix_t matrix;
QTransform qmatrix;
if (fill_gradient.type() == VGradient::radial)
{
double rotEnd = xy2Deg(x2 - x1, y2 - y1);
qmatrix.translate(x1, y1);
qmatrix.rotate(rotEnd);
qmatrix.shear(m_gradientSkew, 0);
qmatrix.translate(0, y1 * (1.0 - m_gradientScale));
qmatrix.translate(-x1, -y1);
qmatrix.scale(1, m_gradientScale);
}
else
{
qmatrix.translate(x1, y1);
qmatrix.shear(-m_gradientSkew, 0);
qmatrix.translate(-x1, -y1);
}
cairo_matrix_init(&matrix, qmatrix.m11(), qmatrix.m12(), qmatrix.m21(), qmatrix.m22(), qmatrix.dx(), qmatrix.dy());
cairo_matrix_invert(&matrix);
cairo_pattern_set_matrix (pat, &matrix);
}
cairo_set_source (m_cr, pat);
cairo_clip_preserve (m_cr);
if (m_maskMode > 0)
{
cairo_pattern_t *patM = getMaskPattern();
setRasterOp(m_blendModeFill);
cairo_mask(m_cr, patM);
if ((m_maskMode == 2) || (m_maskMode == 4) || (m_maskMode == 5) || (m_maskMode == 6))
cairo_surface_destroy(m_imageMask);
cairo_pattern_destroy (patM);
}
else
{
setRasterOp(m_blendModeFill);
cairo_paint_with_alpha (m_cr, m_fill_trans);
}
cairo_pattern_destroy (pat);
if ((fill_gradient.type() == VGradient::fourcolor) || (fill_gradient.type() == VGradient::diamond) || (fill_gradient.type() == VGradient::mesh) || (fill_gradient.type() == VGradient::freemesh))
{
cairo_surface_destroy(img);
cairo_pattern_destroy(mpat);
cairo_destroy(cr);
}
}
else if (m_fillMode == 3)
{
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_NONE);
cairo_surface_t *image2 = cairo_image_surface_create_for_data (m_pattern->getPattern()->bits(), CAIRO_FORMAT_ARGB32, m_pattern->getPattern()->width(), m_pattern->getPattern()->height(), m_pattern->getPattern()->width() * 4);
cairo_pattern_t *m_pat = cairo_pattern_create_for_surface(image2);
cairo_pattern_set_extend(m_pat, CAIRO_EXTEND_REPEAT);
cairo_pattern_set_filter(m_pat, CAIRO_FILTER_GOOD);
cairo_matrix_t matrix;
QTransform qmatrix;
qmatrix.translate(m_patternOffsetX, m_patternOffsetY);
qmatrix.rotate(m_patternRotation);
qmatrix.shear(-m_patternSkewX, m_patternSkewY);
qmatrix.scale(m_patternScaleX, m_patternScaleY);
qmatrix.scale(m_pattern->width / static_cast<double>(m_pattern->getPattern()->width()), m_pattern->height / static_cast<double>(m_pattern->getPattern()->height()));
if (m_patternMirrorX)
qmatrix.scale(-1, 1);
if (m_patternMirrorY)
qmatrix.scale(1, -1);
cairo_matrix_init(&matrix, qmatrix.m11(), qmatrix.m12(), qmatrix.m21(), qmatrix.m22(), qmatrix.dx(), qmatrix.dy());
cairo_matrix_invert(&matrix);
cairo_pattern_set_matrix (m_pat, &matrix);
cairo_set_source (m_cr, m_pat);
cairo_clip_preserve (m_cr);
if (m_maskMode > 0)
{
cairo_pattern_t *patM = getMaskPattern();
setRasterOp(m_blendModeFill);
cairo_mask(m_cr, patM);
if ((m_maskMode == 2) || (m_maskMode == 4) || (m_maskMode == 5) || (m_maskMode == 6))
cairo_surface_destroy(m_imageMask);
cairo_pattern_destroy (patM);
}
else
{
setRasterOp(m_blendModeFill);
cairo_paint_with_alpha (m_cr, m_fill_trans);
}
cairo_pattern_destroy (m_pat);
cairo_surface_destroy (image2);
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_DEFAULT);
}
else if (m_fillMode == 4)
{
cairo_path_t *path;
path = cairo_copy_path(m_cr);
cairo_push_group(m_cr);
if (m_hatchUseBackground && m_hatchBackground.isValid())
{
float r2, g2, b2;
m_hatchBackground.getRgbF(&r2, &g2, &b2);
cairo_set_source_rgb(m_cr, r2, g2, b2);
cairo_fill_preserve(m_cr);
}
float r, g, b;
m_hatchForeground.getRgbF(&r, &g, &b);
cairo_clip_preserve (m_cr);
cairo_set_line_width(m_cr, 1);
cairo_set_source_rgb(m_cr, r, g, b);
translate(m_hatchWidth / 2.0, m_hatchHeight / 2.0);
double lineLen = sqrt((m_hatchWidth / 2.0) * (m_hatchWidth / 2.0) + (m_hatchHeight / 2.0) * (m_hatchHeight / 2.0));
double dist = 0.0;
while (dist < lineLen)
{
cairo_save(m_cr);
rotate(-m_hatchAngle);
newPath();
moveTo(-lineLen, dist);
lineTo(lineLen, dist);
cairo_stroke(m_cr);
if (dist > 0)
{
newPath();
moveTo(-lineLen, -dist);
lineTo(lineLen, -dist);
cairo_stroke(m_cr);
}
cairo_restore(m_cr);
if ((m_hatchType == 1) || (m_hatchType == 2))
{
cairo_save(m_cr);
rotate(-m_hatchAngle + 90);
newPath();
moveTo(-lineLen, dist);
lineTo(lineLen, dist);
cairo_stroke(m_cr);
if (dist > 0)
{
newPath();
moveTo(-lineLen, -dist);
lineTo(lineLen, -dist);
cairo_stroke(m_cr);
}
cairo_restore(m_cr);
}
if (m_hatchType == 2)
{
cairo_save(m_cr);
rotate(-m_hatchAngle + 45);
double dDist = dist * sqrt(2.0);
newPath();
moveTo(-lineLen, dDist);
lineTo(lineLen, dDist);
cairo_stroke(m_cr);
if (dist > 0)
{
newPath();
moveTo(-lineLen, -dDist);
lineTo(lineLen, -dDist);
cairo_stroke(m_cr);
}
cairo_restore(m_cr);
}
dist += m_hatchDistance;
}
cairo_pop_group_to_source (m_cr);
setRasterOp(m_blendModeFill);
if (m_maskMode > 0)
{
cairo_pattern_t *patM = getMaskPattern();
cairo_pattern_set_filter(patM, CAIRO_FILTER_FAST);
cairo_mask(m_cr, patM);
if ((m_maskMode == 2) || (m_maskMode == 4) || (m_maskMode == 5) || (m_maskMode == 6))
cairo_surface_destroy(m_imageMask);
cairo_pattern_destroy(patM);
}
else
cairo_paint_with_alpha (m_cr, m_fill_trans);
newPath();
cairo_append_path(m_cr, path);
cairo_path_destroy(path);
}
cairo_restore(m_cr);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
}
void ScPainter::strokePathHelper()
{
cairo_save(m_cr);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
if (m_LineWidth == 0)
cairo_set_line_width(m_cr, 1.0 / m_zoomFactor);
else
cairo_set_line_width(m_cr, m_LineWidth);
if (m_array.count() > 0)
cairo_set_dash(m_cr, m_array.data(), m_array.count(), m_offset);
else
cairo_set_dash(m_cr, nullptr, 0, 0);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
if (PLineEnd == Qt::RoundCap)
cairo_set_line_cap (m_cr, CAIRO_LINE_CAP_ROUND);
else if (PLineEnd == Qt::SquareCap)
cairo_set_line_cap (m_cr, CAIRO_LINE_CAP_SQUARE);
else if (PLineEnd == Qt::FlatCap)
cairo_set_line_cap (m_cr, CAIRO_LINE_CAP_BUTT);
if (PLineJoin == Qt::RoundJoin)
cairo_set_line_join(m_cr, CAIRO_LINE_JOIN_ROUND);
else if (PLineJoin == Qt::BevelJoin)
cairo_set_line_join(m_cr, CAIRO_LINE_JOIN_BEVEL);
else if (PLineJoin == Qt::MiterJoin)
cairo_set_line_join(m_cr, CAIRO_LINE_JOIN_MITER);
if (m_strokeMode == 3)
{
cairo_push_group(m_cr);
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_NONE);
cairo_surface_t *image2 = cairo_image_surface_create_for_data (m_pattern->getPattern()->bits(), CAIRO_FORMAT_ARGB32, m_pattern->getPattern()->width(), m_pattern->getPattern()->height(), m_pattern->getPattern()->width() * 4);
cairo_pattern_t *m_pat = cairo_pattern_create_for_surface(image2);
cairo_pattern_set_extend(m_pat, CAIRO_EXTEND_REPEAT);
cairo_pattern_set_filter(m_pat, CAIRO_FILTER_GOOD);
cairo_matrix_t matrix;
QTransform qmatrix;
qmatrix.translate(-m_LineWidth / 2.0, -m_LineWidth / 2.0);
qmatrix.translate(m_patternOffsetX, m_patternOffsetY);
qmatrix.rotate(m_patternRotation);
qmatrix.shear(-m_patternSkewX, m_patternSkewY);
qmatrix.scale(m_patternScaleX, m_patternScaleY);
qmatrix.scale(m_pattern->width / static_cast<double>(m_pattern->getPattern()->width()), m_pattern->height / static_cast<double>(m_pattern->getPattern()->height()));
if (m_patternMirrorX)
qmatrix.scale(-1, 1);
if (m_patternMirrorY)
qmatrix.scale(1, -1);
cairo_matrix_init(&matrix, qmatrix.m11(), qmatrix.m12(), qmatrix.m21(), qmatrix.m22(), qmatrix.dx(), qmatrix.dy());
cairo_matrix_invert(&matrix);
cairo_pattern_set_matrix (m_pat, &matrix);
cairo_set_source (m_cr, m_pat);
cairo_stroke_preserve(m_cr);
cairo_pattern_destroy (m_pat);
cairo_surface_destroy (image2);
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_DEFAULT);
cairo_pop_group_to_source (m_cr);
setRasterOp(m_blendModeStroke);
cairo_paint_with_alpha (m_cr, m_stroke_trans);
}
else if (m_strokeMode == 2)
{
cairo_push_group(m_cr);
cairo_pattern_t *pat;
bool isFirst = true;
double rampPoint, lastPoint = 0.0;
double x1 = stroke_gradient.origin().x();
double y1 = stroke_gradient.origin().y();
double x2 = stroke_gradient.vector().x();
double y2 = stroke_gradient.vector().y();
double fx = stroke_gradient.focalPoint().x();
double fy = stroke_gradient.focalPoint().y();
if (stroke_gradient.type() == VGradient::linear)
pat = cairo_pattern_create_linear (x1, y1, x2, y2);
else
pat = cairo_pattern_create_radial (fx, fy, 0, x1, y1, sqrt(pow(x2 - x1, 2) + pow(y2 - y1,2)));
if (stroke_gradient.repeatMethod() == VGradient::none)
cairo_pattern_set_extend(pat, CAIRO_EXTEND_NONE);
else
cairo_pattern_set_extend(pat, CAIRO_EXTEND_PAD);
cairo_pattern_set_filter(pat, CAIRO_FILTER_GOOD);
QList<VColorStop*> colorStops = stroke_gradient.colorStops();
for (int offset = 0 ; offset < colorStops.count() ; offset++)
{
rampPoint = colorStops[ offset ]->rampPoint;
if ((lastPoint == rampPoint) && (!isFirst))
continue;
isFirst = false;
double a = colorStops[offset]->opacity;
float r, g, b;
colorStops[ offset ]->color.getRgbF(&r, &g, &b);
cairo_pattern_add_color_stop_rgba (pat, rampPoint, r, g, b, a);
lastPoint = rampPoint;
}
cairo_matrix_t matrix;
QTransform qmatrix;
if (stroke_gradient.type() == VGradient::radial)
{
double rotEnd = xy2Deg(x2 - x1, y2 - y1);
qmatrix.translate(x1, y1);
qmatrix.rotate(rotEnd);
qmatrix.shear(m_gradientSkew, 0);
qmatrix.translate(0, y1 * (1.0 - m_gradientScale));
qmatrix.translate(-x1, -y1);
qmatrix.scale(1, m_gradientScale);
}
else
{
qmatrix.translate(x1, y1);
qmatrix.shear(-m_gradientSkew, 0);
qmatrix.translate(-x1, -y1);
}
cairo_matrix_init(&matrix, qmatrix.m11(), qmatrix.m12(), qmatrix.m21(), qmatrix.m22(), qmatrix.dx(), qmatrix.dy());
cairo_matrix_invert(&matrix);
cairo_pattern_set_matrix (pat, &matrix);
cairo_set_source (m_cr, pat);
cairo_stroke_preserve(m_cr);
cairo_pattern_destroy (pat);
cairo_pop_group_to_source (m_cr);
setRasterOp(m_blendModeStroke);
cairo_paint_with_alpha (m_cr, m_stroke_trans);
}
else
{
float r, g, b;
m_stroke.getRgbF(&r, &g, &b);
cairo_set_source_rgba(m_cr, r, g, b, m_stroke_trans);
setRasterOp(m_blendModeStroke);
cairo_stroke_preserve(m_cr);
}
cairo_restore(m_cr);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
}
void ScPainter::setClipPath()
{
cairo_clip (m_cr);
}
void ScPainter::drawImage(QImage *image)
{
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_NONE);
/*
cairo_surface_t *image3 = cairo_image_surface_create_for_data ((uchar*)image->bits(), CAIRO_FORMAT_ARGB32, image->width(), image->height(), image->width() * 4);
cairo_set_source_surface (m_cr, image3, 0, 0);
cairo_paint_with_alpha (m_cr, fill_trans);
cairo_surface_destroy (image3);
*/
/* Code with Layers, crashes on cairo_push_group */
// cairo_scale(m_cr, m_zoomFactor, m_zoomFactor);
cairo_push_group(m_cr);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
cairo_set_fill_rule(m_cr, cairo_get_fill_rule(m_cr));
cairo_surface_t *image2 = cairo_image_surface_create_for_data (image->bits(), CAIRO_FORMAT_RGB24, image->width(), image->height(), image->width() * 4);
cairo_surface_t *image3 = cairo_image_surface_create_for_data (image->bits(), CAIRO_FORMAT_ARGB32, image->width(), image->height(), image->width() * 4);
cairo_set_source_surface (m_cr, image2, 0, 0);
cairo_pattern_set_filter(cairo_get_source(m_cr), CAIRO_FILTER_GOOD);
cairo_mask_surface (m_cr, image3, 0, 0);
cairo_surface_destroy (image2);
cairo_surface_destroy (image3);
cairo_pop_group_to_source (m_cr);
cairo_pattern_set_filter(cairo_get_source(m_cr), CAIRO_FILTER_GOOD);
setRasterOp(m_blendModeFill);
if (m_maskMode > 0)
{
cairo_pattern_t *patM = getMaskPattern();
cairo_pattern_set_filter(patM, CAIRO_FILTER_GOOD);
cairo_mask(m_cr, patM);
if ((m_maskMode == 2) || (m_maskMode == 4) || (m_maskMode == 5) || (m_maskMode == 6))
cairo_surface_destroy(m_imageMask);
cairo_pattern_destroy(patM);
}
else
cairo_paint_with_alpha (m_cr, m_fill_trans);
cairo_set_operator(m_cr, CAIRO_OPERATOR_OVER);
cairo_set_antialias(m_cr, CAIRO_ANTIALIAS_DEFAULT);
}
void ScPainter::setupPolygon(const FPointArray *points, bool closed)
{
bool nPath = true;
bool first = true;
FPoint np, np1, np2, np3, np4, firstP;
if (points->size() <= 3)
return;
newPath();
for (int poi = 0; poi < points->size() - 3; poi += 4)
{
if (points->isMarker(poi))
{
nPath = true;
continue;
}
if (nPath)
{
np = points->point(poi);
if ((!first) && (closed) && (np4 == firstP))
cairo_close_path(m_cr);
cairo_move_to(m_cr, np.x(), np.y());
first = nPath = false;
firstP = np4 = np;
}
np = points->point(poi);
np1 = points->point(poi + 1);
np2 = points->point(poi + 3);
np3 = points->point(poi + 2);
if (np4 == np3)
continue;
if ((np == np1) && (np2 == np3))
cairo_line_to(m_cr, np3.x(), np3.y());
else
cairo_curve_to(m_cr, np1.x(), np1.y(), np2.x(), np2.y(), np3.x(), np3.y());
np4 = np3;
}
if (closed)
cairo_close_path(m_cr);
}
void ScPainter::setupSharpPolygon(const FPointArray *points, bool closed)
{
bool nPath = true;
bool first = true;
FPoint np, np1, np2, np3, np4, firstP;
if (points->size() <= 3)
return;
newPath();
for (int poi = 0; poi < points->size() - 3; poi += 4)
{
if (points->isMarker(poi))
{
nPath = true;
continue;
}
if (nPath)
{
np = points->point(poi);
if ((!first) && (closed) && (np4 == firstP))
cairo_close_path(m_cr);
sharpLineHelper(np);
cairo_move_to(m_cr, np.x(), np.y());
first = nPath = false;
firstP = np4 = np;
}
np = points->point(poi);
np1 = points->point(poi + 1);
np2 = points->point(poi + 3);
np3 = points->point(poi + 2);
if (np4 == np3)
continue;
if ((np == np1) && (np2 == np3))
{
sharpLineHelper(np3);
cairo_line_to(m_cr, np3.x(), np3.y());
}
else
cairo_curve_to(m_cr, np1.x(), np1.y(), np2.x(), np2.y(), np3.x(), np3.y());
np4 = np3;
}
if (closed)
cairo_close_path(m_cr);
}
void ScPainter::sharpLineHelper(FPoint &pp)
{
double x1 = pp.x();
double y1 = pp.y();
cairo_user_to_device (m_cr, &x1, &y1);
x1 = floor(x1) + 0.5;
y1 = floor(y1) + 0.5;
cairo_device_to_user (m_cr, &x1, &y1);
pp.setXY(x1, y1);
}
void ScPainter::sharpLineHelper(QPointF &pp)
{
double x1 = pp.x();
double y1 = pp.y();
cairo_user_to_device (m_cr, &x1, &y1);
x1 = floor(x1) + 0.5;
y1 = floor(y1) + 0.5;
cairo_device_to_user (m_cr, &x1, &y1);
pp.setX(x1);
pp.setY(y1);
}
void ScPainter::drawPolygon()
{
fillPath();
}
void ScPainter::drawPolyLine()
{
strokePath();
}
void ScPainter::drawLine(const FPoint& start, const FPoint& end)
{
newPath();
moveTo(start.x(), start.y());
lineTo(end.x(), end.y());
strokePath();
}
void ScPainter::drawLine(const QPointF& start, const QPointF& end)
{
newPath();
moveTo(start.x(), start.y());
lineTo(end.x(), end.y());
strokePath();
}
void ScPainter::drawSharpLine(FPoint start, FPoint end)
{
newPath();
sharpLineHelper(start);
sharpLineHelper(end);
moveTo(start.x(), start.y());
lineTo(end.x(), end.y());
strokePath();
}
void ScPainter::drawSharpLine(QPointF start, QPointF end)
{
newPath();
sharpLineHelper(start);
sharpLineHelper(end);
moveTo(start.x(), start.y());
lineTo(end.x(), end.y());
strokePath();
}
void ScPainter::drawRect(double x, double y, double w, double h)
{
newPath();
cairo_rectangle(m_cr, x, y, w, h);
fillPath();
strokePath();
}
void ScPainter::drawSharpRect(double x, double y, double w, double h)
{
newPath();
double x1 = x;
double y1 = y;
double w1 = w;
double h1 = h;
// see http://www.cairographics.org/FAQ/#sharp_lines
cairo_user_to_device (m_cr, &x1, &y1);
cairo_user_to_device (m_cr, &w1, &h1);
x1 = floor(x1) + 0.5;
y1 = floor(y1) + 0.5;
w1 = floor(w1) + 0.5;
h1 = floor(h1) + 0.5;
cairo_device_to_user (m_cr, &x1, &y1);
cairo_device_to_user (m_cr, &w1, &h1);
cairo_rectangle(m_cr, x1, y1, w1, h1);
fillPath();
strokePath();
}
void ScPainter::drawText(const QRectF& area, const QString& text, bool filled, int align)
{
cairo_text_extents_t extents;
cairo_font_extents_t extentsF;
double x;
if (align == 0)
x = area.center().x();
else
x = area.x();
double y = area.y();
double ww = 0;
double hh = 0;
float r, g, b;
assert(!m_font.isNone());
#if CAIRO_HAS_FC_FONT
FcPattern *pattern = FcPatternBuild(nullptr,
FC_FILE, FcTypeString, QFile::encodeName(m_font.fontFilePath()).data(),
FC_INDEX, FcTypeInteger, m_font.faceIndex(),
nullptr);
cairo_font_face_t *cairo_face = cairo_ft_font_face_create_for_pattern(pattern);
FcPatternDestroy(pattern);
cairo_set_font_face (m_cr, cairo_face);
cairo_set_font_size(m_cr, m_fontSize);
cairo_font_options_t* options = cairo_font_options_create();
cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_SLIGHT);
cairo_set_font_options(m_cr, options);
cairo_font_options_destroy(options);
cairo_font_extents (m_cr, &extentsF);
QStringList textList = text.split("\n");
for (int a = 0; a < textList.count(); ++a)
{
cairo_text_extents (m_cr, textList[a].toUtf8(), &extents);
if (align == 0)
x = qMin(area.center().x() - (extents.width / 2.0 + extents.x_bearing), x);
ww = qMax(ww, extents.width);
}
hh = extentsF.height * textList.count();
if ((align == 0) || (align == 1))
y = area.center().y() - ((extentsF.height * textList.count()) / 2.0);
if (filled)
{
m_fill.getRgbF(&r, &g, &b);
cairo_set_source_rgba(m_cr, r, g, b, m_fill_trans);
cairo_new_path(m_cr);
cairo_rectangle(m_cr, x, y, ww, hh);
cairo_fill(m_cr);
}
cairo_new_path(m_cr);
y += extentsF.ascent;
cairo_move_to (m_cr, x, y);
m_stroke.getRgbF(&r, &g, &b);
cairo_set_source_rgba(m_cr, r, g, b, m_stroke_trans);
QVector<cairo_glyph_t> cairoGlyphs;
for (int a = 0; a < textList.count(); ++a)
{
CharStyle style(m_font, m_fontSize * 10);
StoryText story;
story.insertChars(textList[a]);
story.setCharStyle(0, textList[a].size(), style);
TextShaper textShaper(story, 0);
const QList<GlyphCluster> glyphRuns = textShaper.shape(0, story.length()).glyphs();
double tmpx = x;
for (const GlyphCluster &run : glyphRuns)
{
for (const GlyphLayout &gl : run.glyphs())
{
cairo_glyph_t glyph;
glyph.index = gl.glyph;
glyph.x = tmpx + gl.xoffset;
glyph.y = y - gl.yoffset;
tmpx += gl.xadvance;
cairoGlyphs.append(glyph);
}
}
y += extentsF.height;
}
cairo_show_glyphs(m_cr, cairoGlyphs.data(), cairoGlyphs.count());
#else
cairo_select_font_face(m_cr, m_font.family().toLatin1(), m_font.isItalic() ? CAIRO_FONT_SLANT_ITALIC : CAIRO_FONT_SLANT_NORMAL, m_font.isBold() ? CAIRO_FONT_WEIGHT_BOLD : CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(m_cr, m_fontSize);
cairo_font_extents (m_cr, &extentsF);
QStringList textList = text.split("\n");
for (int a = 0; a < textList.count(); ++a)
{
cairo_text_extents (m_cr, textList[a].toUtf8(), &extents);
if (align == 0)
x = qMin(area.center().x() - (extents.width / 2.0 + extents.x_bearing), x);
ww = qMax(ww, extents.width);
}
hh = extentsF.height * textList.count();
if ((align == 0) || (align == 1))
y = area.center().y() - ((extentsF.height * textList.count()) / 2.0);
if (filled)
{
m_fill.getRgbF(&r, &g, &b);
cairo_set_source_rgba(m_cr, r, g, b, m_fill_trans);
cairo_new_path(m_cr);
cairo_rectangle(m_cr, x, y, ww, hh);
cairo_fill(m_cr);
}
cairo_new_path(m_cr);
y += extentsF.ascent;
cairo_move_to (m_cr, x, y);
m_stroke.getRgbF(&r, &g, &b);
cairo_set_source_rgba(m_cr, r, g, b, m_stroke_trans);
for (int a = 0; a < textList.count(); ++a)
{
cairo_show_text (m_cr, textList[a].toUtf8());
y += extentsF.height;
cairo_move_to (m_cr, x, y);
}
#endif
}
void ScPainter::drawShadeCircle(const QRectF &re, const QColor& color, bool sunken, int lineWidth)
{
setStrokeMode(ScPainter::Solid);
double bezierCircle = 0.55228475;
double dx = re.width();
double dy = re.height();
double cx = dx / 2.0;
double cy = dy / 2.0;
double rb = 0.5 * (dx < dy ? dx : dy);
double r = rb - 0.25 * lineWidth;
QColor shade;
shade.setRgbF(color.redF() * 0.5, color.greenF() * 0.5, color.blueF() * 0.5);
QColor light;
light.setRgbF(color.redF() * 0.5 + 0.5, color.greenF() * 0.5 + 0.5, color.blueF() * 0.5 + 0.5);
cairo_save(m_cr);
translate(0, dy);
scale(1, -1);
setPen(color, lineWidth * 0.5, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
newPath();
moveTo(cx + r, cy);
cairo_curve_to(m_cr, cx + r, cy + bezierCircle * r, cx + bezierCircle * r, cy + r, cx, cy + r);
cairo_curve_to(m_cr, cx - bezierCircle * r, cy + r, cx - r, cy + bezierCircle * r, cx - r, cy);
cairo_curve_to(m_cr, cx - r, cy - bezierCircle * r, cx - bezierCircle * r, cy - r, cx, cy - r);
cairo_curve_to(m_cr, cx + bezierCircle * r, cy - r, cx + r, cy - bezierCircle * r, cx + r, cy);
strokePath();
r = rb - 0.73 * lineWidth;
double r2 = r / 1.414213562;
if (sunken)
setPen(shade, lineWidth * 0.5, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
else
setPen(light, lineWidth * 0.5, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
newPath();
moveTo(cx + r2, cy + r2);
cairo_curve_to(m_cr, cx + (1 - bezierCircle) * r2, cy + (1 + bezierCircle) * r2, cx - (1 - bezierCircle) * r2, cy + (1 + bezierCircle) * r2, cx - r2, cy + r2);
cairo_curve_to(m_cr, cx - (1 + bezierCircle) * r2, cy + (1 - bezierCircle) * r2, cx - (1 + bezierCircle) * r2, cy - (1 - bezierCircle) * r2, cx - r2, cy - r2);
strokePath();
if (sunken)
setPen(light, lineWidth * 0.5, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
else
setPen(shade, lineWidth * 0.5, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
newPath();
moveTo(cx - r2, cy - r2);
cairo_curve_to(m_cr, cx - (1 - bezierCircle) * r2, cy - (1 + bezierCircle) * r2, cx + (1 - bezierCircle) * r2, cy - (1 + bezierCircle) * r2, cx + r2, cy - r2);
cairo_curve_to(m_cr, cx + (1 + bezierCircle) * r2, cy - (1 - bezierCircle) * r2, cx + (1 + bezierCircle) * r2, cy + (1 - bezierCircle) * r2, cx + r2, cy + r2);
strokePath();
cairo_restore(m_cr);
}
void ScPainter::drawShadePanel(const QRectF &r, const QColor& color, bool sunken, int lineWidth)
{
QColor shade;
QColor light;
if (sunken)
{
shade.setRgbF(color.redF() * 0.5, color.greenF() * 0.5, color.blueF() * 0.5);
light.setRgbF(color.redF() * 0.5 + 0.5, color.greenF() * 0.5 + 0.5, color.blueF() * 0.5 + 0.5);
}
else
{
light.setRgbF(color.redF() * 0.5, color.greenF() * 0.5, color.blueF() * 0.5);
shade.setRgbF(color.redF() * 0.5 + 0.5, color.greenF() * 0.5 + 0.5, color.blueF() * 0.5 + 0.5);
}
double x1, y1, y2, x3;
x1 = r.x();
x3 = r.x() + r.width();
y1 = r.y() + r.height();
y2 = r.y();
setFillMode(ScPainter::Solid);
newPath();
moveTo(x1, y1);
lineTo(x1, y2);
lineTo(x3, y2);
lineTo(x3 - lineWidth, lineWidth);
lineTo(lineWidth, lineWidth);
lineTo(lineWidth, y1 - lineWidth);
closePath();
setBrush(shade);
fillPath();
newPath();
moveTo(x1, y1);
lineTo(x3, y1);
lineTo(x3, y2);
lineTo(x3 - lineWidth, lineWidth);
lineTo(x3 - lineWidth, y1 - lineWidth);
lineTo(lineWidth, y1 - lineWidth);
closePath();
setBrush(light);
fillPath();
}
void ScPainter::drawUnderlinedRect(const QRectF &r, const QColor& color, int lineWidth)
{
setPen(color, lineWidth, Qt::DashLine, Qt::FlatCap, Qt::MiterJoin);
setStrokeMode(ScPainter::Solid);
drawLine(r.bottomLeft(), r.topLeft());
drawLine(r.topLeft(), r.topRight());
drawLine(r.bottomRight(), r.topRight());
setPen(color, lineWidth, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
drawLine(r.bottomLeft(), r.bottomRight());
}
void ScPainter::colorizeAlpha(const QColor& color)
{
cairo_surface_t *data = cairo_get_group_target(m_cr);
cairo_surface_flush(data);
int w = cairo_image_surface_get_width(data);
int h = cairo_image_surface_get_height(data);
int stride = cairo_image_surface_get_stride(data);
unsigned char *d = cairo_image_surface_get_data(data);
int cr = color.red();
int cg = color.green();
int cb = color.blue();
for (int y = 0; y < h; ++y)
{
QRgb *dst = (QRgb*)d;
for (int x = 0; x < w; ++x)
{
if (qAlpha(*dst) > 0)
*dst = qRgba(cr, cg, cb, qAlpha(*dst));
dst++;
}
d += stride;
}
cairo_surface_mark_dirty(data);
}
void ScPainter::colorize(const QColor& color)
{
cairo_surface_t *data = cairo_get_group_target(m_cr);
cairo_surface_flush(data);
int w = cairo_image_surface_get_width(data);
int h = cairo_image_surface_get_height(data);
int stride = cairo_image_surface_get_stride(data);
unsigned char *d = cairo_image_surface_get_data(data);
int cr = color.red();
int cg = color.green();
int cb = color.blue();
int hu, sa, v;
int cc2, cm2, cy2, k2;
QColor tmpR;
for (int y = 0; y < h; ++y)
{
QRgb *dst = (QRgb*)d;
for (int x = 0; x < w; ++x)
{
if (qAlpha(*dst) > 0)
{
k2 = 255 - qMin(qRound(0.3 * qRed(*dst) + 0.59 * qGreen(*dst) + 0.11 * qBlue(*dst)), 255);
tmpR.setRgb(cr, cg, cb);
tmpR.getHsv(&hu, &sa, &v);
tmpR.setHsv(hu, sa * k2 / 255, 255 - ((255 - v) * k2 / 255));
tmpR.getRgb(&cc2, &cm2, &cy2);
*dst = qRgba(cc2, cm2, cy2, qAlpha(*dst));
}
dst++;
}
d += stride;
}
cairo_surface_mark_dirty(data);
}
void ScPainter::blurAlpha(int radius)
{
if (radius < 1)
return;
cairo_surface_t *data = cairo_get_group_target(m_cr);
QRgb *pix = (QRgb*)cairo_image_surface_get_data(data);
int w = cairo_image_surface_get_width(data);
int h = cairo_image_surface_get_height(data);
int wm = w - 1;
int hm = h - 1;
int wh = w * h;
int div = radius+radius+1;
int *a = new int[wh];
int asum, x, y, i, yp, yi, yw;
QRgb p;
int *vmin = new int[qMax(w, h)];
int divsum = (div + 1)>>1;
divsum *= divsum;
int *dv = new int[256 * (size_t) divsum];
for (i = 0; i < 256 * divsum; ++i)
{
dv[i] = (i / divsum);
}
yw = yi = 0;
int **stack = new int*[div];
for (int i = 0; i < div; ++i)
{
stack[i] = new int[1];
}
int stackpointer;
int stackstart;
int *sir;
int rbs;
int r1 = radius+1;
int aoutsum;
int ainsum;
for (y = 0; y < h; ++y)
{
ainsum = aoutsum = asum = 0;
for (i = -radius; i <= radius; ++i)
{
p = pix[yi + qMin(wm, qMax(i, 0))];
sir = stack[i + radius];
sir[0] = qAlpha(p);
rbs = r1 - abs(i);
asum += sir[0] * rbs;
if (i > 0)
ainsum += sir[0];
else
aoutsum += sir[0];
}
stackpointer = radius;
for (x = 0; x < w; ++x)
{
a[yi] = dv[asum];
asum -= aoutsum;
stackstart = stackpointer - radius + div;
sir = stack[stackstart % div];
aoutsum -= sir[0];
if (y == 0)
vmin[x] = qMin(x + radius + 1, wm);
p = pix[yw + vmin[x]];
sir[0] = qAlpha(p);
ainsum += sir[0];
asum += ainsum;
stackpointer = (stackpointer + 1) % div;
sir = stack[stackpointer % div];
aoutsum += sir[0];
ainsum -= sir[0];
++yi;
}
yw += w;
}
for (x = 0; x < w; ++x)
{
ainsum = aoutsum = asum = 0;
yp = -radius * w;
for (i = -radius; i <= radius; ++i)
{
yi = qMax(0, yp) + x;
sir = stack[i + radius];
sir[0] = a[yi];
rbs = r1 - abs(i);
asum += a[yi] * rbs;
if (i > 0)
ainsum += sir[0];
else
aoutsum += sir[0];
if (i < hm)
{
yp += w;
}
}
yi = x;
stackpointer = radius;
for (y = 0; y < h; ++y)
{
pix[yi] = qRgba(qRed(pix[yi]), qGreen(pix[yi]), qBlue(pix[yi]), dv[asum]);
asum -= aoutsum;
stackstart = stackpointer - radius + div;
sir = stack[stackstart%div];
aoutsum -= sir[0];
if (x == 0)
{
vmin[y] = qMin(y + r1, hm) * w;
}
p = x + vmin[y];
sir[0] = a[p];
ainsum += sir[0];
asum += ainsum;
stackpointer = (stackpointer+1)%div;
sir = stack[stackpointer];
aoutsum += sir[0];
ainsum -= sir[0];
yi += w;
}
}
delete [] a;
delete [] vmin;
delete [] dv;
for (int i = 0; i < div; ++i)
{
delete [] stack[i];
}
delete [] stack;
cairo_surface_mark_dirty(data);
}
void ScPainter::blur(int radius)
{
if (radius < 1)
return;
cairo_surface_t *data = cairo_get_group_target(m_cr);
QRgb *pix = (QRgb*) cairo_image_surface_get_data(data);
int w = cairo_image_surface_get_width(data);
int h = cairo_image_surface_get_height(data);
int wm = w - 1;
int hm = h - 1;
int wh = w * h;
int div = radius + radius + 1;
int *r = new int[wh];
int *g = new int[wh];
int *b = new int[wh];
int *a = new int[wh];
int rsum, gsum, bsum, asum, x, y, i, yp, yi, yw;
QRgb p;
int *vmin = new int[qMax(w, h)];
int divsum = (div+1)>>1;
divsum *= divsum;
int *dv = new int[256 * (size_t) divsum];
for (i = 0; i < 256 * divsum; ++i)
{
dv[i] = (i / divsum);
}
yw = yi = 0;
int **stack = new int*[div];
for (int i = 0; i < div; ++i)
{
stack[i] = new int[4];
}
int stackpointer;
int stackstart;
int *sir;
int rbs;
int r1 = radius+1;
int routsum, goutsum, boutsum, aoutsum;
int rinsum, ginsum, binsum, ainsum;
for (y = 0; y < h; ++y)
{
rinsum = ginsum = binsum = ainsum = routsum = goutsum = boutsum = aoutsum = rsum = gsum = bsum = asum = 0;
for (i = -radius; i <= radius; ++i)
{
p = pix[yi + qMin(wm, qMax(i, 0))];
sir = stack[i + radius];
sir[0] = qRed(p);
sir[1] = qGreen(p);
sir[2] = qBlue(p);
sir[3] = qAlpha(p);
rbs = r1 - abs(i);
rsum += sir[0] * rbs;
gsum += sir[1] * rbs;
bsum += sir[2] * rbs;
asum += sir[3] * rbs;
if (i > 0)
{
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
ainsum += sir[3];
}
else
{
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
aoutsum += sir[3];
}
}
stackpointer = radius;
for (x = 0; x < w; ++x)
{
r[yi] = dv[rsum];
g[yi] = dv[gsum];
b[yi] = dv[bsum];
a[yi] = dv[asum];
rsum -= routsum;
gsum -= goutsum;
bsum -= boutsum;
asum -= aoutsum;
stackstart = stackpointer - radius + div;
sir = stack[stackstart % div];
routsum -= sir[0];
goutsum -= sir[1];
boutsum -= sir[2];
aoutsum -= sir[3];
if (y == 0)
{
vmin[x] = qMin(x + radius + 1,wm);
}
p = pix[yw + vmin[x]];
sir[0] = qRed(p);
sir[1] = qGreen(p);
sir[2] = qBlue(p);
sir[3] = qAlpha(p);
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
ainsum += sir[3];
rsum += rinsum;
gsum += ginsum;
bsum += binsum;
asum += ainsum;
stackpointer = (stackpointer + 1) % div;
sir = stack[stackpointer % div];
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
aoutsum += sir[3];
rinsum -= sir[0];
ginsum -= sir[1];
binsum -= sir[2];
ainsum -= sir[3];
++yi;
}
yw += w;
}
for (x = 0; x < w; ++x)
{
rinsum = ginsum = binsum = ainsum = routsum = goutsum = boutsum = aoutsum = rsum = gsum = bsum = asum = 0;
yp =- radius * w;
for (i = -radius; i <= radius; ++i)
{
yi = qMax(0, yp) + x;
sir = stack[i + radius];
sir[0] = r[yi];
sir[1] = g[yi];
sir[2] = b[yi];
sir[3] = a[yi];
rbs = r1-abs(i);
rsum += r[yi] * rbs;
gsum += g[yi] * rbs;
bsum += b[yi] * rbs;
asum += a[yi] * rbs;
if (i > 0)
{
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
ainsum += sir[3];
}
else
{
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
aoutsum += sir[3];
}
if (i < hm)
{
yp += w;
}
}
yi = x;
stackpointer = radius;
for (y = 0; y < h; ++y)
{
pix[yi] = qRgba(dv[rsum], dv[gsum], dv[bsum], dv[asum]);
rsum -= routsum;
gsum -= goutsum;
bsum -= boutsum;
asum -= aoutsum;
stackstart = stackpointer - radius + div;
sir = stack[stackstart % div];
routsum -= sir[0];
goutsum -= sir[1];
boutsum -= sir[2];
aoutsum -= sir[3];
if (x == 0)
{
vmin[y] = qMin(y + r1, hm) * w;
}
p = x + vmin[y];
sir[0] = r[p];
sir[1] = g[p];
sir[2] = b[p];
sir[3] = a[p];
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
ainsum += sir[3];
rsum += rinsum;
gsum += ginsum;
bsum += binsum;
asum += ainsum;
stackpointer = (stackpointer + 1) % div;
sir = stack[stackpointer];
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
aoutsum += sir[3];
rinsum -= sir[0];
ginsum -= sir[1];
binsum -= sir[2];
ainsum -= sir[3];
yi += w;
}
}
delete [] r;
delete [] g;
delete [] b;
delete [] a;
delete [] vmin;
delete [] dv;
for (int i = 0; i < div; ++i)
{
delete [] stack[i];
}
delete [] stack;
cairo_surface_mark_dirty(data);
}