painting circle,square and rectangle with mouse!
This commit is contained in:
Shaohua Tong
parent
53444ab215
commit
36113024fb
@ -1,5 +1,4 @@
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#include <iostream>
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#include "../src/demo.h"
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#include "internal.hpp"
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#include "vkvm.hpp"
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#include "../src/DrawRender.hpp"
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@ -8,28 +7,81 @@
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/**
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* @author: Shaohua Tong
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* @since: v0.0.1
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* Circle and Square and Mouse brush can show in GUI
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* draw circle, square, rectangle and mouse drawing
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*/
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void outPutPixel(int windowHeight, int windowWidth, vkvm::Color brushColor);
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int main() {
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vkvm::initialize(0);
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vkvm::registerEvent(vkvm::EventType::MouseDrag, [](){
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std::cout << "drag" << std::endl;
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vkvm::Color backgroundColor = vkvm::getBackgroundColor();
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vkvm::Color penColor(160,180,123);
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int penWidth = 10;
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DrawRender drawRender(vkvm::getWidth(), vkvm::getHeight(), backgroundColor, penColor, penWidth);
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drawRender.update(vkvm::getMousePosition(), BRUSH);
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vkvm::Color penColor(250,102,0);
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int penWidth = 5;
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DrawRender drawRender(vkvm::getWidth(), vkvm::getHeight(), vkvm::getBackgroundColor(), penColor, penWidth);
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vkvm::registerEvent(vkvm::EventType::MouseMove, [&drawRender]() {
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if(drawRender.getMouseDown() == true) {
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vkvm::Coordinates mousePosition = vkvm::getMousePosition();
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mousePosition.y = mousePosition.y - 30;
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drawRender.setMousePostion(mousePosition);
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if (drawRender.getTurnOnBrush() == true ) {
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drawRender.brushUpdate(mousePosition);
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vkvm::callEvent(vkvm::EventType::Redraw);
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}
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else if((drawRender.getKeyCode() - 65536) == vkvm::KeyCode::S) {
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drawRender.graphicsUpdate(SQUARE);
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vkvm::callEvent(vkvm::EventType::Redraw);
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}
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else if((drawRender.getKeyCode() - 65536) == vkvm::KeyCode::C) {
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drawRender.graphicsUpdate(CIRCLE);
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vkvm::callEvent(vkvm::EventType::Redraw);
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}
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else if((drawRender.getKeyCode() - 65536) == vkvm::KeyCode::R) {
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drawRender.graphicsUpdate(RECTANGLE);
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vkvm::callEvent(vkvm::EventType::Redraw);
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}
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}
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});
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vkvm::registerEvent(vkvm::EventType::MouseButton, [](){
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vkvm::Color backgroundColor = vkvm::getBackgroundColor();
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vkvm::Color penColor(160,180,123);
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int penWidth = 10;
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DrawRender drawRender(vkvm::getWidth(), vkvm::getHeight(), backgroundColor, penColor, penWidth);
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drawRender.update(vkvm::getMousePosition(), CIRCLE);
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vkvm::registerEvent(vkvm::EventType::MouseLeftDown, [&drawRender]() {
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if(drawRender.getMouseDown() == false) {
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drawRender.setMouseDown(true);
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vkvm::Coordinates mousePosition = vkvm::getMousePosition();
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mousePosition.y = mousePosition.y - 30;
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drawRender.setMouseLeftDownPostion(mousePosition);
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}
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if((drawRender.getTurnOnBrush() == false) && ((drawRender.getKeyCode() - 65536) == vkvm::KeyCode::B)) {
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drawRender.setTurnOnBrush(true);
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}
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});
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vkvm::registerEvent(vkvm::EventType::MouseLeftUp, [&drawRender]() {
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drawRender.setTurnOnBrush(false);
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drawRender.setMouseDown(false);
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drawRender.setPainting(false);
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});
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vkvm::registerEvent(vkvm::EventType::KeyDown, [&drawRender]() {
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drawRender.setKeyCode(vkvm::getLastPressedKey());
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if((drawRender.getKeyCode() - 65536) == vkvm::KeyCode::D) {
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drawRender.clear();
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vkvm::callEvent(vkvm::EventType::Redraw);
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}
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});
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vkvm::registerEvent(vkvm::EventType::KeyUp, [&drawRender]() {
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drawRender.setKeyCode(vkvm::getLastPressedKey());
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if((drawRender.getKeyCode() - 65536) == vkvm::KeyCode::D) {
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drawRender.clear();
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vkvm::callEvent(vkvm::EventType::Redraw);
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}
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});
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while(1){
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@ -52,5 +104,3 @@ void outPutPixel(int windowHeight, int windowWidth, vkvm::Color penColor) {
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std::cout << "\n";
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}
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}
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@ -1,27 +1,32 @@
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//
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// Created by shaohuatong on 21.11.19.
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// Created by shaohuatong on 28.11.19.
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//
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#include "DrawRender.hpp"
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#include <algorithm>
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DrawRender::DrawRender(int windowWidth, int windowHeight, vkvm::Color backgroundColor, vkvm::Color penColor, int penWidth)
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: backgroundColor(backgroundColor), penColor(penColor) {
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DrawRender::DrawRender(int windowWidth, int windowHeight, vkvm::Color defaultBackgroundColor, vkvm::Color penColor, int penWidth)
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: backgroundColor(defaultBackgroundColor), penColor(penColor) {
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this-> windowWidth = windowWidth;
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this-> windowHeight = windowHeight;
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this-> penWidth = penWidth;
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}
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void DrawRender::update(vkvm::Coordinates mousePostion, int type) {
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if(type == BRUSH) {
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std::vector<std::vector<bool>> circleBrush = brushCreator(mousePostion);
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translateToSharedMemory(circleBrush, startX, startY, type);
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void DrawRender::graphicsUpdate(int type) {
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if(type == CIRCLE || type == SQUARE) {
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std::vector<std::vector<bool>> graphics = circleAndSquareCreator(type);
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translateToSharedMemory(graphics, startX, startY);
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}
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else if(type == RECTANGLE) {
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std::vector<std::vector<bool>> graphics = rectangleCreator();
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translateToSharedMemory(graphics, startX, startY);
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}
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}
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else if(type == CIRCLE || type == SQUARE) {
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std::vector<std::vector<bool>> graphics = circleAndSquareCreator(mousePostion, type);
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translateToSharedMemory(graphics, startX, startY, type);
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}
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}
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void DrawRender::brushUpdate(vkvm::Coordinates mousePosition) {
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std::vector<std::vector<bool>> brush = brushCreator(mousePosition);
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translateToSharedMemory(brush, startX, startY);
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}
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void DrawRender::clear() {
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@ -32,20 +37,65 @@ void DrawRender::clear() {
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}
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}
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}
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std::vector<std::vector<bool>> DrawRender::rectangleCreator() {
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if(painting == true)
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clearToSharedMemory(oldGraphics, startX, startY);
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std::vector<std::vector<bool>> DrawRender::circleAndSquareCreator(vkvm::Coordinates mousePosition, int type) {
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int x_draw = 0;
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int y_draw = 0;
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std::vector<std::vector<bool>> rectangle;
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length = abs(mouseLeftDownPosition.x - mousePosition.x);
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width = abs(mouseLeftDownPosition.y - mousePosition.y);
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vkvm::Coordinates uperLeft;
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vkvm::Coordinates bottomRight;
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uperLeft.x = min(mouseLeftDownPosition.x, mousePosition.x);
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uperLeft.y = min(mouseLeftDownPosition.y, mousePosition.y);
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bottomRight.x = max(mouseLeftDownPosition.x, mousePosition.x);
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bottomRight.y = max(mouseLeftDownPosition.y, mousePosition.y);
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rectangle.resize(width);
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for(y_draw = 0; y_draw < width; y_draw++) {
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rectangle[y_draw].resize(length);
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for(x_draw = 0; x_draw < length; x_draw++) {
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if((x_draw >= 0 && x_draw <= penWidth) || (y_draw >= 0 && y_draw <= penWidth)
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|| (x_draw <= length && x_draw >= length - penWidth)
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|| (y_draw <= width && y_draw >= width - penWidth)) {
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rectangle[y_draw][x_draw] = true;
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}
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}
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}
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oldGraphics.resize(width);
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for(y_draw = 0; y_draw < width; y_draw++) {
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oldGraphics[y_draw].resize(length);
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for(x_draw = 0; x_draw < length; x_draw++) {
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oldGraphics[y_draw][x_draw] = true;
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}
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}
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painting = true;
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startX = uperLeft.x;
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startY = uperLeft.y;
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return rectangle;
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}
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std::vector<std::vector<bool>> DrawRender::circleAndSquareCreator(int type) {
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if(painting == true)
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clearToSharedMemory(oldGraphics, startX, startY);
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std::vector<std::vector<bool>> circle;
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int x_draw = 0;
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int y_draw = 0;
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int distance = 0;
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radius = std::min(std::min(mousePosition.x, mousePosition.y),
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std::min(windowWidth - mousePosition.x, windowHeight - mousePosition.y)) * 0.8;
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radius = getDistance(getMouseLeftDownPosition(), getMousePostion()) / 2;
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vkvm::Coordinates middlePosition;
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middlePosition.x = (mousePosition.x + mouseLeftDownPosition.x) / 2;
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middlePosition.y = (mousePosition.y + mouseLeftDownPosition.y) / 2;
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vkvm::Coordinates uperLeft;
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vkvm::Coordinates bottomRight;
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uperLeft.x = mousePosition.x - radius;
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uperLeft.y = mousePosition.y - radius;
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bottomRight.x = mousePosition.x + radius;
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bottomRight.y = mousePosition.y + radius;
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uperLeft.x = middlePosition.x - radius;
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uperLeft.y = middlePosition.y - radius;
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bottomRight.x = middlePosition.x + radius;
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bottomRight.y = middlePosition.y + radius;
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vkvm::Coordinates temp;
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circle.resize(2 * radius);
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@ -55,7 +105,7 @@ std::vector<std::vector<bool>> DrawRender::circleAndSquareCreator(vkvm::Coordina
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if(type == CIRCLE) {
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temp.x = uperLeft.x + x_draw;
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temp.y = uperLeft.y + y_draw;
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distance = squareOfDistance(temp, mousePosition);
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distance = squareOfDistance(temp, middlePosition);
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if( distance < (radius * radius) && distance > ((radius - penWidth) * (radius - penWidth))) {
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circle[y_draw][x_draw] = true;
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@ -71,6 +121,15 @@ std::vector<std::vector<bool>> DrawRender::circleAndSquareCreator(vkvm::Coordina
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}
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}
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oldGraphics.resize(2 * radius);
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for(y_draw = 0; y_draw < 2 * radius; y_draw++) {
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oldGraphics[y_draw].resize(2 * radius);
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for(x_draw = 0; x_draw < 2 * radius; x_draw++) {
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oldGraphics[y_draw][x_draw] = true;
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}
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}
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painting = true;
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startX = uperLeft.x;
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startY = uperLeft.y;
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return circle;
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@ -109,13 +168,13 @@ std::vector<std::vector<bool>> DrawRender::brushCreator(vkvm::Coordinates mouseP
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}
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void DrawRender::translateToSharedMemory(std::vector<std::vector<bool>> graphics, int startX, int startY, int type) {
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void DrawRender::translateToSharedMemory(std::vector<std::vector<bool>> graphics, int startX, int startY) {
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int x, y;
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int currentX = startX;
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int currentY = startY;
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if(type == CIRCLE || type == SQUARE || type == BRUSH) {
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for(y = 0; y < 2 * radius; y++) {
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for(x = 0; x < 2 * radius; x++) {
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for(y = 0; y < graphics.size(); y++) {
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for(x = 0; x < graphics[y].size(); x++) {
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if(graphics[y][x]) {
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vkvm::setPixel(currentX, currentY, penColor);
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}
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@ -124,6 +183,22 @@ void DrawRender::translateToSharedMemory(std::vector<std::vector<bool>> graphics
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currentX = startX;
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currentY++;
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}
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}
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void DrawRender::clearToSharedMemory(std::vector<std::vector<bool>> graphics, int startX, int startY) {
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int x, y;
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int currentX = startX;
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int currentY = startY;
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for(y = 0; y < graphics.size(); y++) {
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for(x = 0; x < graphics[y].size(); x++) {
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if(graphics[y][x]) {
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vkvm::setPixel(currentX, currentY, backgroundColor);
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}
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currentX++;
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}
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currentX = startX;
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currentY++;
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}
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}
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@ -131,33 +206,70 @@ int DrawRender::squareOfDistance(vkvm::Coordinates x, vkvm::Coordinates y) {
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return (x.x - y.x) * (x.x - y.x) + (x.y - y.y) * (x.y - y.y);
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}
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int DrawRender::getDistance(vkvm::Coordinates x, vkvm::Coordinates y) {
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return (int)floor(sqrt(squareOfDistance(x, y)));
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}
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int DrawRender::min(int x, int y) {
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if(x <= y)
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return x;
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return y;
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}
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int DrawRender::max(int x, int y) {
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if(x<=y)
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return y;
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return x;
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}
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vkvm::Coordinates DrawRender::getMouseLeftDownPosition() {
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return mouseLeftDownPosition;
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}
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void DrawRender::setMouseLeftDownPostion(vkvm::Coordinates newMousePosition) {
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mouseLeftDownPosition = newMousePosition;
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}
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vkvm::Coordinates DrawRender::getMousePostion() {
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return mousePosition;
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}
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void DrawRender::setMousePostion(vkvm::Coordinates newMousePosition) {
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mousePosition = newMousePosition;
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}
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void DrawRender::setKeyCode(vkvm::KeyCode newKeyCode) {
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keyCode = newKeyCode;
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}
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vkvm::KeyCode DrawRender::getKeyCode() {
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return keyCode;
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}
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void DrawRender::setTurnOnBrush(bool newTurnOnBrush) {
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turnOnBrush = newTurnOnBrush;
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}
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bool DrawRender::getTurnOnBrush() {
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return turnOnBrush;
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}
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int DrawRender::getRadius() {
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return radius;
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}
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bool DrawRender::getMouseDown() {
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return mouseDown;
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}
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void DrawRender::setMouseDown(bool isMouseDown) {
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mouseDown = isMouseDown;
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}
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bool DrawRender::getPainting() {
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return painting;
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}
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void DrawRender::setPainting(bool isPainting) {
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painting = isPainting;
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}
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@ -10,39 +10,73 @@
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#include <iostream>
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#include "Font.h"
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#include "vector"
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#include <cmath>
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#define CIRCLE 0
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#define SQUARE 1
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#define BRUSH 2
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#define RECTANGLE 2
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#define BRUSH 3
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class DrawRender {
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public:
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DrawRender(int windowWidth, int windowHeight, vkvm::Color defaultBackgroundColor, vkvm::Color penColor, int penWidth);
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void brushUpdate(vkvm::Coordinates mousePosition);
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void graphicsUpdate(int type);
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void setMouseLeftDownPostion(vkvm::Coordinates newMousePosition);
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vkvm::Coordinates getMouseLeftDownPosition();
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void setMousePostion(vkvm::Coordinates newMousePosition);
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vkvm::Coordinates getMousePostion();
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void setKeyCode(vkvm::KeyCode newKeyCode);
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void setTurnOnBrush(bool turnOnBrush);
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bool getTurnOnBrush();
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vkvm::KeyCode getKeyCode();
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void setKeyCode();
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void setMouseDown(bool isMouseDown);
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bool getMouseDown();
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void setPainting(bool isOneFinish);
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bool getPainting();
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int getRadius();
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void setType();
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void update(vkvm::Coordinates mousePosition, int type);
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void clear();
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private:
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std::vector<std::vector<bool>> oldGraphics;
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vkvm::Coordinates mouseLeftDownPosition;
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vkvm::Coordinates mousePosition;
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vkvm::Color backgroundColor;
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vkvm::Color penColor;
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int type;
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vkvm::KeyCode keyCode;
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int penWidth;
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int windowWidth;
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int windowHeight;
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int graphicsHeight;
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int graphicsWidth;
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int radius;
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int length;
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int width;
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int startX;
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int startY;
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bool turnOnBrush;
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bool painting = true;
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bool mouseDown = false;
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bool turnOnBrush = false;
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std::vector<std::vector<bool>> circleAndSquareCreator(vkvm::Coordinates mousePosition, int type);
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std::vector<std::vector<bool>> rectangleCreator();
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std::vector<std::vector<bool>> circleAndSquareCreator(int type);
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std::vector<std::vector<bool>> brushCreator(vkvm::Coordinates mousePosition);
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int squareOfDistance(vkvm::Coordinates x, vkvm::Coordinates y);
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void translateToSharedMemory(std::vector<std::vector<bool>> graphics, int startX, int startY, int Type);
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int getDistance(vkvm::Coordinates x, vkvm::Coordinates y);
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int min(int x, int y);
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int max(int x, int y);
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void translateToSharedMemory(std::vector<std::vector<bool>> graphics, int startX, int startY);
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void clearToSharedMemory(std::vector<std::vector<bool>> graphics, int startX, int startY);
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};
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#endif //SIMPLE_DRAW_DRAWRENDER_HPP
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