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2 Commits

Author SHA1 Message Date
yang.yongquan 73e63f3817 merge 2023-03-15 11:25:14 +08:00
yang.yongquan d47d94d044 增加了对于Painting的转换,没有考虑线宽的情况 2023-03-15 11:23:26 +08:00
5 changed files with 61 additions and 132 deletions

View File

@ -8,6 +8,9 @@ using Renderer::Element;
using Renderer::ElementTransform;
using glm::bvec2;
using std::max;
using std::min;
const double PaintingUtil::pi = acos(-1);
QJsonObject PaintingUtil::readJsonFile(QString jsonFilePath) {
QFile jsonFile(jsonFilePath);
@ -27,74 +30,69 @@ Painting PaintingUtil::transfromToPainting(QString jsonFilePath) {
ElementManager *elementManager = new ElementManager(jsonObj, Renderer::ElementRenderer::instance());
LayerManager* layerManager = new LayerManager(jsonObj, elementManager);
traverseLayTree(layerManager->getRoot(), transform, flip, painting);
// FIXME: 为了编译通过添加的返回
return painting;
}
void PaintingUtil::traverseLayTree(LayerWrapper* nowLayer, QTransform transform, bvec2 flip, Painting& painting) {
LeafLayerWrapper* leafLayer = dynamic_cast<LeafLayerWrapper*>(nowLayer);
PixelPath pixelPath = nowLayer->getCache();
double centerX = pixelPath.getBoundingRect().center().x();
double centerY = pixelPath.getBoundingRect().center().y();
QPainterPath painterPath = pixelPath.getPainterPath();
QRectF bound = painterPath.boundingRect();
flip ^= bvec2(nowLayer->property.flipHorizontally, nowLayer->property.flipVertically);
QRectF transBound = transform.map(pixelPath.getPainterPath()).boundingRect();
transform = nowLayer->property.transform * transform;
transform.translate(nowLayer->property.offset.x(), nowLayer->property.offset.y())
.translate(-centerX, -centerY)
.rotate(nowLayer->property.rotation)
.scale(nowLayer->property.scale.x(), nowLayer->property.scale.y())
.translate(centerX, centerY);
if (leafLayer != nullptr) {
Element element;
ElementTransform elementTrans;
QRectF bound = pixelPath.getBoundingRect();
element.ratio = bound.width() / bound.height();
// transform to initial painterPath
QTransform trans;
trans.translate(-centerX, -centerY)
.scale(1 / nowLayer->property.scale.x(), 1 / nowLayer->property.scale.y())
.rotate(-nowLayer->property.rotation)
.translate(centerX, centerY)
.translate(-nowLayer->property.offset.x(), -nowLayer->property.offset.y());
QPainterPath painterPath = trans.map(pixelPath.getPainterPath());
// transfrom to -1£¬ 1
bound = painterPath.boundingRect();
trans.reset();
trans.translate(1, 1);
trans.scale(2 / bound.width(), 2 / bound.height());
trans.translate(bound.x(), bound.y());
painterPath = trans.map(painterPath);
QTransform trans;
trans.scale(1 / bound.width(), 1 / bound.height());
trans.translate(-bound.center().x(), -bound.center().y());
element.contour.reset(new vector<vector<Renderer::Point> >(PainterPathUtil::transformToLines(painterPath)));
element.contour.reset(new vector<vector<Renderer::Point> >(PainterPathUtil::transformToLines(trans.map(painterPath))));
QSize screenSize = pixelPath.getPixmap().size();
//element.style.reset(new Renderer::ElementStyleStrokeDemo(0.06));
painterPath = transform.map(painterPath);
bound = painterPath.boundingRect();
elementTrans.center = glm::vec2(
(2 * (transBound.x() + transBound.width()) - screenSize.width()) / screenSize.width(),
(2 * (transBound.y() + transBound.height()) - screenSize.height()) / screenSize.height()
(bound.center().x() - screenSize.width()) / screenSize.width(),
(bound.center().y() - screenSize.height()) / screenSize.height()
);
decomposeTransform(transform, elementTrans.rotation, elementTrans.scale);
elementTrans.flip = glm::bvec2(
nowLayer->property.flipHorizontally,
nowLayer->property.flipVertically
);
painting.addElement(element, elementTrans);
return;
}
FolderLayerWrapper* folderLayer = dynamic_cast<FolderLayerWrapper*>(nowLayer);
for (auto sonLayer : folderLayer->children) {
traverseLayTree(sonLayer.get(), transform, flip, painting);
if (folderLayer != nullptr) {
for (auto sonLayer : folderLayer->children) {
traverseLayTree(sonLayer.get(), transform, flip, painting);
}
}
return;
}
void PaintingUtil::decomposeTransform(QTransform trans, float& angle, glm::vec2& scale) {
trans.translate(-trans.dx(), -trans.dy());
qDebug() << trans;
trans.setMatrix(
trans.m11(), trans.m12(), trans.m13(),
trans.m21(), trans.m22(), trans.m23(),
0, 0, 1);
//qDebug() << trans.dx() << trans.dy();
int count = 0;
double norm = 0, n = 0;
QTransform R = trans, Rit, Rnext;
do {
++count;
Rit = R.inverted();
Rit = R.transposed().inverted();
Rnext.setMatrix(
(R.m11() + Rit.m11()) / 2,
(R.m12() + Rit.m12()) / 2,
@ -121,7 +119,13 @@ void PaintingUtil::decomposeTransform(QTransform trans, float& angle, glm::vec2&
+ fabs(R.m33() - Rnext.m33()));
R = Rnext;
} while (count < 100 && norm > 0.0001);
angle = acos(R.m11());
double cosValue = max(-1.0, min(R.m11(), 1.0));
double sinValue = max(-1.0, min(R.m12(), 1.0));
angle = acos(cosValue) * 180 / pi;
if (sinValue < 0) {
angle = 360 - angle;
}
qDebug() << angle;
R = R.inverted() * trans;
scale = glm::vec2(R.m11(), R.m22());
return;

View File

@ -5,11 +5,12 @@
class PaintingUtil
{
private:
static const double pi;
static QJsonObject readJsonFile(QString jsonFilePath);
static void traverseLayTree(LayerWrapper* nowLayer, QTransform transform, glm::bvec2 flip, Renderer::Painting& painting);
static void decomposeTransform(QTransform trans, float& angle, glm::vec2& scale);
public:
static Renderer::Painting transfromToPainting(QString jsonFilePath);
static void decomposeTransform(QTransform trans, float& angle, glm::vec2& scale);
};

View File

@ -14,6 +14,7 @@
#include "../Editor/util/PainterPathUtil.h"
#include "../Editor/util/SvgFileLoader.h"
#include <ThirdPartyLib/qquick/qquicksvgparser_p.h>
#include <util/PaintingUtil.h>
#include "Painting/MaterialStyleStroke.h"
using namespace Renderer;
@ -228,104 +229,7 @@ GLuint Renderer::Model::loadPainting(std::string path)
if (iter != paintingLoaded.end())
return iter->second;
//vector<std::shared_ptr<Contour>> contour = {
// std::make_shared<Contour>(SvgParser("M100,100C-.5,100,0,100.5,0,0L40,.07C40,59.5,39.5,60,100,60Z", 100, 100).parse()),
// std::make_shared<Contour>(SvgParser("M308.49,212.25l23,28.38-82,78.31c-14.28,13.64-26.34-20.6-53.44,9.32l-30.24-13.4,63.56-51.59L190.71,215.6l-32.92,26.72L149.5,232.1l32.92-26.72L173.2,194l-32.91,26.72-7.38-9.08L165.83,185l-38.69-47.66L94.22,164,85,152.65l32.91-26.72-9.21-11.35L75.79,141.3l-5.53-6.81,32.92-26.72L94,96.42,61.05,123.14l-12-14.76L37.72,117.6l12,14.75L30.41,148,0,110.55,136.2,0l30.4,37.46L147.31,53.12l-12-14.76L124,47.58l12,14.75L103.05,89.05l9.21,11.35,32.92-26.72,5.52,6.81-32.91,26.72L127,118.56l32.92-26.72,9.21,11.35-32.91,26.72,38.69,47.67,32.91-26.72,7.37,9.08-32.91,26.72L191.49,198l32.92-26.72,8.29,10.22-32.92,26.71,38.7,47.68L302,204.3l6.45,7.95Z", 331.52, 328.26).parse()),
// std::make_shared<Contour>(SvgParser("M377,459.61a11.26,11.26,0,0,1,11.27-11.27H696.12a11.27,11.27,0,0,0,11-8.62A359.84,359.84,0,0,0,708,280.56a11.26,11.26,0,0,0-11-8.73H388.27A11.26,11.26,0,0,1,377,260.57h0a11.26,11.26,0,0,1,11.27-11.26H683.71A11.32,11.32,0,0,0,694.28,234C649.8,113.69,542.57,23.85,412.3,4.12a11.22,11.22,0,0,0-12.76,11.17v158.9a11.26,11.26,0,0,0,11.26,11.27H583.12a11.32,11.32,0,0,0,9.26-17.75c-31.67-46.59-78.51-75.2-109.11-90.07a11.25,11.25,0,0,0-16.13,10.17V115.2a11.24,11.24,0,0,0,6.22,10.07l7.51,3.76a11.28,11.28,0,0,1,5,15.12h0a11.27,11.27,0,0,1-15.11,5l-20-10a11.27,11.27,0,0,1-6.22-10.07V54a11.27,11.27,0,0,1,14.62-10.75c5.11,1.59,125.66,40.35,172.24,149A11.27,11.27,0,0,1,621.11,208H388.27A11.26,11.26,0,0,1,377,196.73V11.36A11.32,11.32,0,0,0,365.89.08C363.34,0,360.79,0,358.22,0s-5.11,0-7.66.08a11.32,11.32,0,0,0-11.11,11.28V196.74A11.26,11.26,0,0,1,328.18,208H95.35A11.27,11.27,0,0,1,85,192.3c46.57-108.67,167.12-147.42,172.23-149A11.26,11.26,0,0,1,271.86,54v75.11a11.25,11.25,0,0,1-6.23,10.07l-20,10a11.27,11.27,0,0,1-15.11-5h0a11.26,11.26,0,0,1,5-15.11l7.52-3.76a11.27,11.27,0,0,0,6.22-10.07V87.82a11.25,11.25,0,0,0-16.14-10.16c-30.6,14.87-77.45,43.48-109.1,90.07a11.3,11.3,0,0,0,9.25,17.74H305.66a11.26,11.26,0,0,0,11.27-11.26V15.31A11.22,11.22,0,0,0,304.17,4.14C173.88,23.86,66.66,113.71,22.17,234a11.32,11.32,0,0,0,10.56,15.29H328.18a11.26,11.26,0,0,1,11.27,11.26v0a11.26,11.26,0,0,1-11.27,11.26H19.52a11.26,11.26,0,0,0-11,8.72,359.84,359.84,0,0,0,.83,159.16,11.26,11.26,0,0,0,11,8.61H328.18a11.26,11.26,0,0,1,11.27,11.27h0a11.26,11.26,0,0,1-11.27,11.26h-294a11.32,11.32,0,0,0-10.53,15.4C69,604.65,175.3,692.78,304.16,712.3a11.21,11.21,0,0,0,12.76-11.16V542.22A11.26,11.26,0,0,0,305.66,531h-166c-9.53,0-14.89,11.22-8.69,18.47,34.09,39.77,74.45,65.66,101.77,80.18a11.25,11.25,0,0,0,16.53-10V591a11.26,11.26,0,0,1,11.26-11.26h0A11.26,11.26,0,0,1,271.85,591v63.85A11.27,11.27,0,0,1,256.8,665.5c-4.45-1.59-109.58-40-171-139.9a11.27,11.27,0,0,1,9.59-17.17H328.18a11.26,11.26,0,0,1,11.27,11.26V705.08a11.32,11.32,0,0,0,11.11,11.28q3.82.07,7.66.08c2.57,0,5.12,0,7.67-.08A11.32,11.32,0,0,0,377,705.08V519.69a11.25,11.25,0,0,1,11.27-11.26H621.1a11.26,11.26,0,0,1,9.59,17.16c-61.46,99.87-166.59,138.3-171,139.9a11.27,11.27,0,0,1-15-10.61V591a11.26,11.26,0,0,1,11.26-11.26h0A11.26,11.26,0,0,1,467.14,591v28.6a11.25,11.25,0,0,0,16.53,10c27.33-14.53,67.68-40.42,101.77-80.19,6.2-7.23.85-18.46-8.69-18.46h-166a11.26,11.26,0,0,0-11.26,11.26V701.12a11.21,11.21,0,0,0,12.76,11.17c128.86-19.51,235.14-107.66,280.48-226a11.33,11.33,0,0,0-10.53-15.41h-294A11.25,11.25,0,0,1,377,459.61ZM35.27,399.53V316.9a11.26,11.26,0,0,1,11.27-11.26H669.92a11.25,11.25,0,0,1,11.26,11.26v82.63a11.25,11.25,0,0,1-11.26,11.26H46.54a11.27,11.27,0,0,1-11.27-11.26Z", 716.45, 716.44).parse())
//};
vector<std::pair<std::shared_ptr<Contour>, float>> contours;
QPainterPath painterPaths[3];
QQuickSvgParser::parsePathDataFast("M100,100C-.5,100,0,100.5,0,0L40,.07C40,59.5,39.5,60,100,60Z",
painterPaths[0]);
if (!SvgFileLoader().loadSvgFile("../svg/2.svg", painterPaths[1]))
qCritical() << "load error";
/*QQuickSvgParser::parsePathDataFast("M292.82,107.78s0,0,0,0,0,3.59,0,7.62c0,3.85,0,5.78.06,6.43a19.94,19.94,0,0,0,2.87,7.58,15.85,15.85,0,0,0,6.61,6.23A14.75,14.75,0,0,0,310,137a11.69,11.69,0,0,0,7.59-2.92,11,11,0,0,0,3.2-6.84c.15-1.27.58-4.84-1.79-7.64a8.54,8.54,0,0,0-3.56-2.44c-1.32-.52-3.32-1.31-5.06-.33a5.41,5.41,0,0,0-2.14,3,3.48,3.48,0,0,0-.16,2.71c.78,1.86,3.36,2.14,3.47,2.15",
painterPaths[1]);*/
QQuickSvgParser::parsePathDataFast("M377,459.61a11.26,11.26,0,0,1,11.27-11.27H696.12a11.27,11.27,0,0,0,11-8.62A359.84,359.84,0,0,0,708,280.56a11.26,11.26,0,0,0-11-8.73H388.27A11.26,11.26,0,0,1,377,260.57h0a11.26,11.26,0,0,1,11.27-11.26H683.71A11.32,11.32,0,0,0,694.28,234C649.8,113.69,542.57,23.85,412.3,4.12a11.22,11.22,0,0,0-12.76,11.17v158.9a11.26,11.26,0,0,0,11.26,11.27H583.12a11.32,11.32,0,0,0,9.26-17.75c-31.67-46.59-78.51-75.2-109.11-90.07a11.25,11.25,0,0,0-16.13,10.17V115.2a11.24,11.24,0,0,0,6.22,10.07l7.51,3.76a11.28,11.28,0,0,1,5,15.12h0a11.27,11.27,0,0,1-15.11,5l-20-10a11.27,11.27,0,0,1-6.22-10.07V54a11.27,11.27,0,0,1,14.62-10.75c5.11,1.59,125.66,40.35,172.24,149A11.27,11.27,0,0,1,621.11,208H388.27A11.26,11.26,0,0,1,377,196.73V11.36A11.32,11.32,0,0,0,365.89.08C363.34,0,360.79,0,358.22,0s-5.11,0-7.66.08a11.32,11.32,0,0,0-11.11,11.28V196.74A11.26,11.26,0,0,1,328.18,208H95.35A11.27,11.27,0,0,1,85,192.3c46.57-108.67,167.12-147.42,172.23-149A11.26,11.26,0,0,1,271.86,54v75.11a11.25,11.25,0,0,1-6.23,10.07l-20,10a11.27,11.27,0,0,1-15.11-5h0a11.26,11.26,0,0,1,5-15.11l7.52-3.76a11.27,11.27,0,0,0,6.22-10.07V87.82a11.25,11.25,0,0,0-16.14-10.16c-30.6,14.87-77.45,43.48-109.1,90.07a11.3,11.3,0,0,0,9.25,17.74H305.66a11.26,11.26,0,0,0,11.27-11.26V15.31A11.22,11.22,0,0,0,304.17,4.14C173.88,23.86,66.66,113.71,22.17,234a11.32,11.32,0,0,0,10.56,15.29H328.18a11.26,11.26,0,0,1,11.27,11.26v0a11.26,11.26,0,0,1-11.27,11.26H19.52a11.26,11.26,0,0,0-11,8.72,359.84,359.84,0,0,0,.83,159.16,11.26,11.26,0,0,0,11,8.61H328.18a11.26,11.26,0,0,1,11.27,11.27h0a11.26,11.26,0,0,1-11.27,11.26h-294a11.32,11.32,0,0,0-10.53,15.4C69,604.65,175.3,692.78,304.16,712.3a11.21,11.21,0,0,0,12.76-11.16V542.22A11.26,11.26,0,0,0,305.66,531h-166c-9.53,0-14.89,11.22-8.69,18.47,34.09,39.77,74.45,65.66,101.77,80.18a11.25,11.25,0,0,0,16.53-10V591a11.26,11.26,0,0,1,11.26-11.26h0A11.26,11.26,0,0,1,271.85,591v63.85A11.27,11.27,0,0,1,256.8,665.5c-4.45-1.59-109.58-40-171-139.9a11.27,11.27,0,0,1,9.59-17.17H328.18a11.26,11.26,0,0,1,11.27,11.26V705.08a11.32,11.32,0,0,0,11.11,11.28q3.82.07,7.66.08c2.57,0,5.12,0,7.67-.08A11.32,11.32,0,0,0,377,705.08V519.69a11.25,11.25,0,0,1,11.27-11.26H621.1a11.26,11.26,0,0,1,9.59,17.16c-61.46,99.87-166.59,138.3-171,139.9a11.27,11.27,0,0,1-15-10.61V591a11.26,11.26,0,0,1,11.26-11.26h0A11.26,11.26,0,0,1,467.14,591v28.6a11.25,11.25,0,0,0,16.53,10c27.33-14.53,67.68-40.42,101.77-80.19,6.2-7.23.85-18.46-8.69-18.46h-166a11.26,11.26,0,0,0-11.26,11.26V701.12a11.21,11.21,0,0,0,12.76,11.17c128.86-19.51,235.14-107.66,280.48-226a11.33,11.33,0,0,0-10.53-15.41h-294A11.25,11.25,0,0,1,377,459.61ZM35.27,399.53V316.9a11.26,11.26,0,0,1,11.27-11.26H669.92a11.25,11.25,0,0,1,11.26,11.26v82.63a11.25,11.25,0,0,1-11.26,11.26H46.54a11.27,11.27,0,0,1-11.27-11.26Z",
painterPaths[2]);
for (auto& i : painterPaths)
{
auto [contour, ratio] = PainterPathUtil::toNormalizedLines(i);
contours.emplace_back(std::make_shared<Contour>(contour), ratio);
}
vector<std::shared_ptr<ElementStyle>> style = {
std::make_shared<ElementStyleFillDemo>(),
std::make_shared<ElementStyleStrokeDemo>(0.02),
std::make_shared<ElementStyleStrokeRadialGradientDemo>(0.2)
};
vector<std::shared_ptr<Element>> element = {
std::make_shared<Element>(Element{ contours[0].first, style[0], contours[0].second}),
std::make_shared<Element>(Element{ contours[1].first, style[2], contours[1].second}),
std::make_shared<Element>(Element{ contours[2].first, style[0], contours[2].second}),
};
Painting painting;
if (path == "0.json")
{
painting.addElement(*element[0], ElementTransform{ glm::vec2(-0.45,-0.45), glm::vec2(0.5,0.5) / 2.f, 0, glm::bvec2(false), 0 });
painting.addElement(*element[1], ElementTransform{ glm::vec2(-0.45, 0.45), glm::vec2(0.5,0.5) / 2.f, 0, glm::bvec2(false), 0 });
painting.addElement(*element[2], ElementTransform{ glm::vec2(0.50,-0.45), glm::vec2(0.6,0.7) / 2.f, 0, glm::bvec2(false), 0 });
}
else if (path == "1.json")
{
float widths[] = { 0.43, 0.43 * 0.25 / 0.15, 0.13 * 0.25 / 0.15 };
QPainterPath painterPaths[6];
for (int i = 0; i < 6; i++)
if (!SvgFileLoader().loadSvgFile(QString(std::format("../svg/{}.svg", i + 1).c_str()), painterPaths[i]))
qCritical() << "load error";
vector<std::pair<std::shared_ptr<Contour>, float>> contours;
for (int i = 0; i < 3; i++)
{
auto [contour, ratio] = PainterPathUtil::toNormalizedLines(painterPaths[i], widths[i]);
contours.emplace_back(std::make_shared<Contour>(contour), ratio);
}
class StyleStrokeRadialGradient : public Renderer::ElementStyle
{
public:
float width;
StrokeType type;
StyleStrokeRadialGradient(float width, StrokeType type) :width(width), type(type) {};
virtual std::vector<Renderer::BaseStyle> toBaseStyles() const override
{
std::map<float, Material> materialMap = {
{0.09, Material{QColor(255,255,255),0,0.8}},
{0.63, Material{QColor(165,176,207),0,0.8}},
{1.00, Material{QColor(58,64,151),0,0.8}}
};
return { BaseStyle(std::make_shared<TransformStyle>(),
std::make_shared<MaterialStyleStroke>(width, type, StrokeEndType::kFlat,
std::make_shared<StrokeRadialGradient>(materialMap, false))) };
}
};
vector<std::shared_ptr<ElementStyle>> style = {
std::make_shared<StyleStrokeRadialGradient>(widths[0], StrokeType::kLeftSide),
std::make_shared<StyleStrokeRadialGradient>(widths[1], StrokeType::kRightSide),
std::make_shared<StyleStrokeRadialGradient>(widths[2], StrokeType::kLeftSide),
};
vector<std::shared_ptr<Element>> element = {
std::make_shared<Element>(Element{ contours[0].first, style[0], contours[0].second}),
std::make_shared<Element>(Element{ contours[1].first, style[1], contours[1].second}),
std::make_shared<Element>(Element{ contours[2].first, style[2], contours[2].second}),
};
painting.addElement(*element[0], ElementTransform{ glm::vec2(-0.45,0.45), glm::vec2(0.25), 0, glm::bvec2(false), 0 });
painting.addElement(*element[1], ElementTransform{ glm::vec2(-0.535,0.33), glm::vec2(0.15), 0, glm::bvec2(false), 0 });
painting.addElement(*element[2], ElementTransform{ glm::vec2(-0.535,0.23), glm::vec2(0.15), 0, glm::bvec2(false), 0 });
}
else
{
for (int i = 0; i < 1000; i++)
{
float x = (float)rand() / RAND_MAX * 2 - 1;
float y = (float)rand() / RAND_MAX * 2 - 1;
painting.addElement(*element[i % 3], ElementTransform{ glm::vec2(x,y), glm::vec2(0.025), (float)rand() / RAND_MAX * 360, glm::bvec2(false), 0 });
}
}
Painting painting = PaintingUtil::transfromToPainting("D:\\BigC\\Project\\ArchitectureColoredPainting\\data.json");
painting.generateBuffers(glFunc);

View File

@ -141,12 +141,13 @@ bool LineTree::handleShortCutNode(LineTreeNode& fa, LineTreeNode& nowTreeNode, d
nowTreeNode.lineSet.push_back(lineIndex);
}
}
if (nowTreeNode.lineSet.size() <= requiredLineMin) {
if (nowTreeNode.lineSet.size() <= requiredLineMin
|| (nowTreeNode.bound.z()-nowTreeNode.bound.x())*sqrt(2) <= lineWidth) {
if (nowTreeNode.lineSet.empty())
return false;
restOfTreeNodes.push_back(nowTreeNode);
nowTreeNode.divided = false;
v.push_back(nowTreeNode);
//v.push_back(nowTreeNode);
return false;
}
else {

View File

@ -7,6 +7,7 @@
#include "Renderer/Painting/CubicBezier.h"
#include <Renderer/Painting/StraightLine.h>
#include <ElementPoolWidget.h>
#include <util/PaintingUtil.h>
using namespace Microsoft::VisualStudio::CppUnitTestFramework;
@ -119,4 +120,22 @@ namespace UnitTest
a.exec();
}
};
TEST_CLASS(PaintingUtilTest)
{
TEST_METHOD(TransfromTest)
{
qInstallMessageHandler(messageHandler);
QPainterPath path;
path.addRect(0, 0, 20, 20);
QTransform trans;
qDebug() << path.boundingRect();
//qDebug() << trans;
//qDebug() << acos(-0.707107);
glm::vec2 scale;
float rotate;
PaintingUtil::decomposeTransform(trans, rotate, scale);
qDebug() << rotate;
qDebug() << scale.x << scale.y;
}
};
}