#include "xxy.h" #include <qimage> #include <qtextedit> xxy::xxy(qobject *parent) : qobject(parent) {} void xxy::convertbmptoascii(qtextedit *textedit, const qstring &filepath) { qimage image(filepath); if (image.isnull()) { qdebug() << "failed to load image"; return; } qstring asciiart; for (int y = 0; y < image.height(); ++y) { for (int x = 0; x < image.width(); ++x) { qcolor color = image.pixelcolor(x, y); if (color.red()
It looks like you're working on a function to convert a BMP image to ASCII art in Qt. The function `convertBmpToAscii` is incomplete, and I'll help you complete it. Here's the full implementation: ```cpp #include "xxy.h" #include <QImage> #include <QTextEdit> #include <QDebug> #include <QString> xxy::xxy(QObject *parent) : QObject(parent) {} void xxy::convertBmpToAscii(QTextEdit *textEdit, const QString &filePath) { QImage image(filePath); if (image.isNull()) { qDebug() << "Failed to load image"; return; } // Define a simple ASCII character set based on brightness const char *asciiChars = "@%#*+=-:. "; QString asciiArt; for (int y = 0; y < image.height(); ++y) { for (int x = 0; x < image.width(); ++x) { QColor color = image.pixelColor(x, y); int gray = qGray(color.rgb()); // Convert to grayscale int index = (gray * (sizeof(asciiChars) - 1)) / 255; // Map grayscale value to ASCII character asciiArt.append(asciiChars[index]); } asciiArt.append("\n"); // New line after each row } textEdit->setPlainText(asciiArt); } ``` Explanation: 1. Include Headers: Ensure you include the necessary headers (`QImage`, `QTextEdit`, `QDebug`, and `QString`). 2. Constructor: The constructor initializes the `xxy` object with a parent. 3. Load Image: The `QImage` object loads the image from the specified file path. 4. Check Image Validity: If the image fails to load, an error message is printed, and the function returns. 5. ASCII Character Set: A simple ASCII character set is defined, where characters are ordered by their visual density. 6. Convert to Grayscale: For each pixel, the grayscale value is calculated using `qGray`. 7. Map Grayscale to ASCII: The grayscale value is mapped to an index in the ASCII character set. 8. Build ASCII Art: The corresponding ASCII character is appended to the `asciiArt` string. 9. New Line: After processing each row of pixels, a newline character is added. 10. Set Text: Finally, the generated ASCII art is set as the plain text of the `QTextEdit` widget. This should give you a basic ASCII art representation of the BMP image. You can further refine the ASCII character set or add more features as needed. [2024-11-11 22:48:50 | AI写代码神器 | 560点数解答]
- #include "xxy.h" #include <qimage> #include <qtextedit> xxy::xxy(qobject *parent) : qobject(parent) {} void xxy::convertbmptoascii(qtextedit *textedit, const qstring &filepath) { qimage image(filepath); if (image.isnull()) { qdebug() << "failed to load image"; return; } qstring asciiart; for (int y = 0; y < image.height(); ++y) { for (int x = 0; x < image.width(); ++x) { qcolor color = image.pixelcolor(x, y); if (color.red()（560点数解答 | 2024-11-11 22:48:50）232
- 快速排序：# include< iostream>using namespace std;# include< stdlib. h># include< time. h>const int n =10;const int min= 10;const int max=99;int getrand( int min, int max){return ( rand()%( max-min+1)+ min);}void set( int r[], int n){int i;for(i=0;i<n;i++)r[i]=getrand(min, max);}void show( int r[], int n){int i;for(i=0;i<n;i++)cout << r[i]<<" ";cout << endl;}int partition( int r[], int i, int j){//由你完成}void quicksort( int r[], int i, int j){//由你完成}int main(){srand( time(0));int a[n];set(a, n);cout<<"（710点数解答 | 2024-11-14 10:44:25）225
- 快速排序：# include< iostream>using namespace std;# include< stdlib. h># include< time. h>const int n =10;const int min= 10;const int max=99;int getrand( int min, int max){return ( rand()%( max-min+1)+ min);}void set( int r[], int n){int i;for(i=0;i<n;i++)r[i]=getrand(min, max);}void show( int r[], int n){int i;for(i=0;i<n;i++)cout << r[i]<<" ";cout << endl;}int partition( int r[], int i, int j){//由你完成}void quicksort( int r[], int i, int j){//由你完成}int main(){srand( time(0));int a[n];set(a, n);cout<<"（951点数解答 | 2024-11-14 10:46:29）213
- 快速排序：# include< iostream>using namespace std;# include< stdlib. h># include< time. h>const int n =10;const int min= 10;const int max=99;int getrand( int min, int max){return ( rand()%( max-min+1)+ min);}void set( int r[], int n){int i;for(i=0;i<n;i++)r[i]=getrand(min, max);}void show( int r[], int n){int i;for(i=0;i<n;i++)cout << r[i]<<" ";cout << endl;}int partition( int r[], int i, int j){//由你完成}void quicksort( int r[], int i, int j){//由你完成}int main(){srand( time(0));int a[n];set(a, n);cout<<"（472点数解答 | 2024-11-14 10:51:44）200
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n =10; const int min =10; const int max =99; int getrand(int min, int max) { return (rand() % (max - min +1) + min); void set(int r[], int n){ int i; for(i = 0; i< n; i++) r[i] = getrand(min,max); void show(int r[], int n) { int i; for (i = 0; i<n;i++) cout << r[i] << ""; cout << endl;}void sift(int r[],int m,int k){ } void heapsort(intr[], int n){ //由你完成 int main(){ srand(time(0)); int a[n]; set(a,n); cout <<"原序（417点数解答 | 2024-11-28 11:20:23）267
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n =10; const int min =10; const int max =99; int getrand(int min, int max) { return (rand() % (max - min +1) + min); void set(int r[], int n){ int i; for(i = 0; i< n; i++) r[i] = getrand(min,max); void show(int r[], int n) { int i; for (i = 0; i<n;i++) cout << r[i] << ""; cout << endl; void heapsort(intr[], int n){ //由你完成 int main(){ srand(time(0)); int a[n]; set(a,n); cout <<"原序列:"; show(a,n); cout <<"新序列:\n"; h（684点数解答 | 2024-11-28 11:21:15）216
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n=10; const int min=10; const int max=99; int getrand(inmin,int max) { return (rand()%(max-min+1)+min); void set(int r[],int n) { int i; for(i=0; i<n; i++) r[i]=getrand(min,max); void show(intr[],int n){ int i; for(i=0; i<n; i++) cout<<r[i]<<""; cout<<endl; void insertsort(int r[],int n){//由你完成} int main() { srand(time(0)); int a[n]; set(a,n); cout<<"原序列:"; show(a,n); cout<<"新序列: \n; insertsort(a,n);//show(a,n);（690点数解答 | 2024-10-31 10:11:20）222
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n=10; const int min=10; const int max=99; int getrand(inmin,int max) { return (rand()%(max-min+1)+min); void set(int r[],int n) { int i; for(i=0; i<n; i++) r[i]=getrand(min,max); void show(intr[],int n){ int i; for(i=0; i<n; i++) cout<<r[i]<<""; cout<<endl; void insertsort(int r[],int n){//由你完成} int main() { srand(time(0)); int a[n]; set(a,n); cout<<"原序列:"; show(a,n); cout<<"新序列: \n; insertsort(a,n);//show(a,n);（147点数解答 | 2024-10-31 10:29:38）227
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n=10; const int min=10; const int max=99; int getrand(inmin,int max) { return (rand()%(max-min+1)+min); void set(int r[],int n) { int i; for(i=0; i<n; i++) r[i]=getrand(min,max); void show(intr[],int n){ int i; for(i=0; i<n; i++) cout<<r[i]<<""; cout<<endl; void insertsort(int r[],int n){//由你完成} int main() { srand(time(0)); int a[n]; set(a,n); cout<<"原序列:"; show(a,n); cout<<"新序列: \n; insertsort(a,n);//show(a,n);（703点数解答 | 2024-10-31 10:35:24）216
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n=10; const int min=10; const int max=99; int getrand(inmin,int max) { return (rand()%(max-min+1)+min); void set(int r[],int n) { int i; for(i=0; i<n; i++) r[i]=getrand(min,max); void show(intr[],int n){ int i; for(i=0; i<n; i++) cout<<r[i]<<""; cout<<endl; void shellsort(int r[],int n){//由你完成} int main() { srand(time(0)); int a[n]; set(a,n); cout<<"原序列:"; show(a,n); cout<<"新序列: \n; shellsort(a,n);//show(a,n); re（593点数解答 | 2024-10-31 10:39:07）251
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n=10; const int min=10; const int max=99; int getrand(inmin,int max) { return (rand()%(max-min+1)+min); void set(int r[],int n) { int i; for(i=0; i<n; i++) r[i]=getrand(min,max); void show(intr[],int n){ int i; for(i=0; i<n; i++) cout<<r[i]<<""; cout<<endl; void shellsort(int r[],int n){//由你完成} int main() { srand(time(0)); int a[n]; set(a,n); cout<<"原序列:"; show(a,n); cout<<"新序列: \n; shellsort(a,n);//show(a,n); re（407点数解答 | 2024-10-31 11:04:08）186
- #include<iostream> using namespace std;#include<stdlib.h>#include<time.h> const int n=10; const int min=10; const int max=99; int getrand(inmin,int max) { return (rand()%(max-min+1)+min); void set(int r[],int n) { int i; for(i=0; i<n; i++) r[i]=getrand(min,max); void show(intr[],int n){ int i; for(i=0; i<n; i++) cout<<r[i]<<""; cout<<endl; void shellsort(int r[],int n){//补充代码，显示新序列排序每一趟过程 int main() { srand(time(0)); int a[n]; set(a,n); cout<<"原序列:"; show(a,n); cout<<"新序列: \n; shellsort(a,n);//s（448点数解答 | 2024-10-31 11:07:15）157