Files
intelliphoto/src/Layer/PaintingArea.cpp

434 lines
14 KiB
C++

// ---------- PaintingArea.cpp ----------
#include "string.h"
#include <vector>
#include <QtWidgets>
#include <QPoint>
#include <QRect>
#include "PaintingArea.h"
#include "Image/IntelliRasterImage.h"
#include "Image/IntelliShapedImage.h"
#include "Tool/IntelliToolPen.h"
#include "Tool/IntelliToolPlain.h"
#include "Tool/IntelliToolLine.h"
#include "Tool/IntelliToolCircle.h"
#include "Tool/IntelliToolRectangle.h"
#include "Tool/IntelliToolFloodFill.h"
#include "Tool/IntelliToolPolygon.h"
PaintingArea::PaintingArea(int maxWidth, int maxHeight, QWidget*parent)
: QWidget(parent){
this->Tool = nullptr;
this->setLayerDimensions(maxWidth, maxHeight);
this->addLayer(200,200,0,0,IntelliImage::ImageType::SHAPEDIMAGE);
layerBundle[0].image->drawPlain(QColor(0,0,255,255));
std::vector<QPoint> polygon;
polygon.push_back(QPoint(100,000));
polygon.push_back(QPoint(200,100));
polygon.push_back(QPoint(100,200));
polygon.push_back(QPoint(000,100));
layerBundle[0].image->setPolygon(polygon);
this->addLayer(200,200,150,150,IntelliImage::ImageType::RASTERIMAGE);
layerBundle[1].image->drawPlain(QColor(0,255,0,255));
layerBundle[1].alpha=200;
activeLayer=0;
}
PaintingArea::~PaintingArea(){
delete Tool;
}
void PaintingArea::setRenderSettings(bool isFastRenderingOn){
if(isFastRenderingOn != renderSettings.isFastRenderering()){
renderSettings.setFastRendering(isFastRenderingOn);
for(auto& layer : layerBundle){
layer.image->updateRendererSetting(isFastRenderingOn);
}
}
}
void PaintingArea::setLayerDimensions(int maxWidth, int maxHeight){
//set standart parameter
this->maxWidth = maxWidth;
this->maxHeight = maxHeight;
Canvas = new QImage(maxWidth,maxHeight, QImage::Format_ARGB32);
// Roots the widget to the top left even if resized
setAttribute(Qt::WA_StaticContents);
}
int PaintingArea::addLayer(int width, int height, int widthOffset, int heightOffset, IntelliImage::ImageType type){
LayerObject newLayer;
newLayer.width = width;
newLayer.height = height;
newLayer.widthOffset = widthOffset;
newLayer.heightOffset = heightOffset;
if(type==IntelliImage::ImageType::RASTERIMAGE) {
newLayer.image = new IntelliRasterImage(width,height,renderSettings.isFastRenderering());
}else if(type==IntelliImage::ImageType::SHAPEDIMAGE) {
newLayer.image = new IntelliShapedImage(width, height, renderSettings.isFastRenderering());
}
newLayer.alpha = 255;
this->layerBundle.push_back(newLayer);
activeLayer = static_cast<int>(layerBundle.size())-1;
return activeLayer;
}
void PaintingArea::deleteLayer(int idx){
if(idx<static_cast<int>(layerBundle.size())) {
this->layerBundle.erase(layerBundle.begin()+idx);
if(activeLayer>=idx) {
activeLayer--;
}
if(activeLayer < 0 && layerBundle.size()){
activeLayer=0;
}
}
}
void PaintingArea::slotDeleteActiveLayer(){
if(activeLayer>=0 && activeLayer < static_cast<int>(layerBundle.size())) {
this->layerBundle.erase(layerBundle.begin()+activeLayer);
activeLayer--;
}
}
void PaintingArea::setLayerActive(int idx){
if(idx>=0&&idx<static_cast<int>(layerBundle.size())) {
this->activeLayer=idx;
}
}
void PaintingArea::setLayerAlpha(int idx, int alpha){
if(idx>=0&&idx<static_cast<int>(layerBundle.size())) {
layerBundle[static_cast<size_t>(idx)].alpha=alpha;
}
}
// Used to load the image and place it in the widget
bool PaintingArea::open(const QString &filePath){
if(this->activeLayer==-1) {
return false;
}
IntelliImage* active = layerBundle[static_cast<size_t>(activeLayer)].image;
bool open = active->loadImage(filePath);
active->calculateVisiblity();
update();
return open;
}
// Save the current image
bool PaintingArea::save(const QString &filePath, const char*fileFormat){
if(layerBundle.size()==0) {
return false;
}
this->drawLayers(true);
if(!strcmp(fileFormat,"PNG")) {
QImage visibleImage = Canvas->convertToFormat(QImage::Format_Indexed8);
fileFormat = "png";
if (visibleImage.save(filePath, fileFormat)) {
return true;
} else {
return false;
}
}
if (Canvas->save(filePath, fileFormat)) {
return true;
} else {
return false;
}
}
// Color the image area with white
void PaintingArea::floodFill(int r, int g, int b, int a){
if(this->activeLayer==-1) {
return;
}
IntelliImage* active = layerBundle[static_cast<size_t>(activeLayer)].image;
active->drawPlain(QColor(r, g, b, a));
update();
}
void PaintingArea::movePositionActive(int x, int y){
if(Tool!=nullptr) {
if(Tool->getIsDrawing()) {
IntelliTool* temp = copyActiveTool();
delete this->Tool;
this->Tool = temp;
}
}
layerBundle[static_cast<size_t>(activeLayer)].widthOffset += x;
layerBundle[static_cast<size_t>(activeLayer)].heightOffset += y;
}
void PaintingArea::moveActiveLayer(int idx){
if(Tool != nullptr) {
if(Tool->getIsDrawing()) {
IntelliTool* temp = copyActiveTool();
delete this->Tool;
this->Tool = temp;
}
}
if(idx==1) {
this->selectLayerUp();
}else if(idx==-1) {
this->selectLayerDown();
}
}
void PaintingArea::slotActivateLayer(int a){
if(Tool != nullptr) {
if(Tool->getIsDrawing()) {
IntelliTool* temp = copyActiveTool();
delete this->Tool;
this->Tool = temp;
}
}
if(a>=0 && a < static_cast<int>(layerBundle.size())) {
this->setLayerActive(a);
}
}
void PaintingArea::colorPickerSetFirstColor(){
QColor clr = QColorDialog::getColor(colorPicker.getFirstColor(), nullptr, "Main Color", QColorDialog::DontUseNativeDialog);
this->colorPicker.setFirstColor(clr);
}
void PaintingArea::colorPickerSetSecondColor(){
QColor clr = QColorDialog::getColor(colorPicker.getSecondColor(), nullptr, "Secondary Color", QColorDialog::DontUseNativeDialog);
this->colorPicker.setSecondColor(clr);
}
void PaintingArea::colorPickerSwapColors(){
this->colorPicker.swapColors();
}
void PaintingArea::createPenTool(){
delete this->Tool;
Tool = new IntelliToolPen(this, &colorPicker, &Toolsettings);
}
void PaintingArea::createPlainTool(){
delete this->Tool;
Tool = new IntelliToolPlainTool(this, &colorPicker, &Toolsettings);
}
void PaintingArea::createLineTool(){
delete this->Tool;
Tool = new IntelliToolLine(this, &colorPicker, &Toolsettings);
}
void PaintingArea::createRectangleTool(){
delete this->Tool;
Tool = new IntelliToolRectangle(this, &colorPicker, &Toolsettings);
}
void PaintingArea::createCircleTool(){
delete this->Tool;
Tool = new IntelliToolCircle(this, &colorPicker, &Toolsettings);
}
void PaintingArea::createPolygonTool(){
delete this->Tool;
Tool = new IntelliToolPolygon(this, &colorPicker, &Toolsettings);
}
void PaintingArea::createFloodFillTool(){
delete this->Tool;
Tool = new IntelliToolFloodFill(this, &colorPicker, &Toolsettings);
}
int PaintingArea::getWidthOfActive(){
return this->layerBundle[static_cast<unsigned long long>(activeLayer)].width;
}
int PaintingArea::getHeightOfActive(){
return this->layerBundle[static_cast<unsigned long long>(activeLayer)].height;
}
IntelliImage::ImageType PaintingArea::getTypeOfImageRealLayer(){
return this->layerBundle[static_cast<unsigned long long>(activeLayer)].image->getTypeOfImage();
}
std::vector<QPoint> PaintingArea::getPolygonDataOfRealLayer(){
return this->layerBundle[static_cast<unsigned long long>(activeLayer)].image->getPolygonData();
}
// If a mouse button is pressed check if it was the
// left button and if so store the current position
// Set that we are currently drawing
void PaintingArea::mousePressEvent(QMouseEvent*event){
if(this->activeLayer < 0)
return;
if(Tool == nullptr)
return;
int x = event->x()-layerBundle[static_cast<unsigned long long>(activeLayer)].widthOffset;
int y = event->y()-layerBundle[static_cast<unsigned long long>(activeLayer)].heightOffset;
if(event->button() == Qt::LeftButton) {
Tool->onMouseLeftPressed(x, y);
}else if(event->button() == Qt::RightButton) {
Tool->onMouseRightPressed(x, y);
}
update();
}
// When the mouse moves if the left button is clicked
// we call the drawline function which draws a line
// from the last position to the current
void PaintingArea::mouseMoveEvent(QMouseEvent*event){
if(this->activeLayer < 0)
return;
if(Tool == nullptr)
return;
int x = event->x()-layerBundle[static_cast<unsigned long long>(activeLayer)].widthOffset;
int y = event->y()-layerBundle[static_cast<unsigned long long>(activeLayer)].heightOffset;
Tool->onMouseMoved(x, y);
update();
}
// If the button is released we set variables to stop drawing
void PaintingArea::mouseReleaseEvent(QMouseEvent*event){
if(this->activeLayer < 0)
return;
if(Tool == nullptr)
return;
int x = event->x()-layerBundle[static_cast<unsigned long long>(activeLayer)].widthOffset;
int y = event->y()-layerBundle[static_cast<unsigned long long>(activeLayer)].heightOffset;
if(event->button() == Qt::LeftButton) {
Tool->onMouseLeftReleased(x, y);
}else if(event->button() == Qt::RightButton) {
Tool->onMouseRightReleased(x, y);
}
update();
}
void PaintingArea::wheelEvent(QWheelEvent*event){
if(this->activeLayer < 0)
return;
if(this->Tool != nullptr) {
QPoint numDegrees = event->angleDelta() / 8;
if(!numDegrees.isNull()) {
QPoint numSteps = numDegrees / 15;
Tool->onWheelScrolled(numSteps.y()* -1);
}
}
}
// QPainter provides functions to draw on the widget
// The QPaintEvent is sent to widgets that need to
// update themselves
void PaintingArea::paintEvent(QPaintEvent*event){
this->drawLayers();
QPainter painter(this);
QRect dirtyRec = event->rect();
painter.drawImage(dirtyRec, *Canvas, dirtyRec);
update();
}
// Resize the image to slightly larger then the main window
// to cut down on the need to resize the image
void PaintingArea::resizeEvent(QResizeEvent*event){
//TODO wait till tool works
update();
}
void PaintingArea::resizeLayer(QImage*image_res, const QSize &newSize){
//TODO implement
}
void PaintingArea::selectLayerUp(){
if(activeLayer!=-1 && static_cast<unsigned long long>(activeLayer)<layerBundle.size()-1) {
std::swap(layerBundle[static_cast<unsigned long long>(activeLayer)], layerBundle[static_cast<unsigned long long>(activeLayer+1)]);
activeLayer++;
}
}
void PaintingArea::selectLayerDown(){
if(activeLayer!=-1 && activeLayer>0) {
std::swap(layerBundle[static_cast<unsigned long long>(activeLayer)], layerBundle[static_cast<unsigned long long>(activeLayer-1)]);
activeLayer--;
}
}
void PaintingArea::drawLayers(bool forSaving){
if(forSaving) {
Canvas->fill(Qt::GlobalColor::transparent);
}else{
Canvas->fill(Qt::GlobalColor::black);
}
for(size_t i=0; i<layerBundle.size(); i++) {
LayerObject layer = layerBundle[i];
QImage cpy = layer.image->getDisplayable(layer.alpha);
QColor clr_0;
QColor clr_1;
for(int y=0; y<layer.height; y++) {
if(layer.heightOffset+y<0) continue;
if(layer.heightOffset+y>=maxHeight) break;
for(int x=0; x<layer.width; x++) {
if(layer.widthOffset+x<0) continue;
if(layer.widthOffset+x>=maxWidth) break;
clr_0=Canvas->pixelColor(layer.widthOffset+x, layer.heightOffset+y);
clr_1=cpy.pixelColor(x,y);
float t = static_cast<float>(clr_1.alpha())/255.f;
int r =static_cast<int>(static_cast<float>(clr_1.red())*(t)+static_cast<float>(clr_0.red())*(1.f-t)+0.5f);
int g =static_cast<int>(static_cast<float>(clr_1.green())*(t)+static_cast<float>(clr_0.green())*(1.f-t)+0.5f);
int b =static_cast<int>(static_cast<float>(clr_1.blue())*(t)+static_cast<float>(clr_0.blue()*(1.f-t))+0.5f);
int a =std::min(clr_0.alpha()+clr_1.alpha(), 255);
clr_0.setRed(r);
clr_0.setGreen(g);
clr_0.setBlue(b);
clr_0.setAlpha(a);
Canvas->setPixelColor(layer.widthOffset+x, layer.heightOffset+y, clr_0);
}
}
}
}
bool PaintingArea::createTempTopLayer(int idx){
if(idx>=0) {
LayerObject newLayer;
newLayer.alpha = 255;
newLayer.height = layerBundle[static_cast<unsigned long long>(idx)].height;
newLayer.width = layerBundle[static_cast<unsigned long long>(idx)].width;
newLayer.heightOffset = layerBundle[static_cast<unsigned long long>(idx)].heightOffset;
newLayer.widthOffset = layerBundle[static_cast<unsigned long long>(idx)].widthOffset;
newLayer.image = layerBundle[static_cast<unsigned long long>(idx)].image->getDeepCopy();
layerBundle.insert(layerBundle.begin()+idx+1,newLayer);
return true;
}
return false;
}
IntelliTool* PaintingArea::copyActiveTool(){
switch(Tool->getTooltype()) {
case IntelliTool::Tooltype::CIRCLE: return new IntelliToolCircle(this,&colorPicker, &Toolsettings);
case IntelliTool::Tooltype::FLOODFILL: return new IntelliToolFloodFill(this,&colorPicker, &Toolsettings);
case IntelliTool::Tooltype::LINE: return new IntelliToolLine(this,&colorPicker, &Toolsettings);
case IntelliTool::Tooltype::PEN: return new IntelliToolPen(this,&colorPicker, &Toolsettings);
case IntelliTool::Tooltype::PLAIN: return new IntelliToolPlainTool(this,&colorPicker, &Toolsettings);
case IntelliTool::Tooltype::POLYGON: return new IntelliToolPolygon(this,&colorPicker, &Toolsettings);
case IntelliTool::Tooltype::RECTANGLE: return new IntelliToolRectangle(this,&colorPicker, &Toolsettings);
default: return nullptr;
}
}
int PaintingArea::getNumberOfActiveLayer(){
return activeLayer;
}
IntelliImage* PaintingArea::getImageOfActiveLayer(){
if(activeLayer<0){
return nullptr;
}
return layerBundle[activeLayer].image;
}