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修正大量demo

master
feiyangqingyun 2021-03-08 09:04:13 +08:00
parent 1690656b9c
commit ece0d2df6e
32 changed files with 428 additions and 209 deletions
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4
colorwidget/colorwidget.cpp
View File

@ -86,14 +86,14 @@ ColorWidget::ColorWidget(QWidget *parent) : QWidget(parent)
txtPoint = new QLineEdit(this);
gridLayout->addWidget(txtPoint, 2, 2, 1, 1);
label->setText("当前颜色显示");
label->setText("当前颜色");
labWeb->setText("web值:");
labRgb->setText("rgb值:");
labPoint->setText("坐标值:");
this->setLayout(gridLayout);
this->setWindowTitle("屏幕拾色器");
this->setFixedSize(270, 108);
this->setFixedSize(300, 108);
cp = QApplication::clipboard();
pressed = false;

2
colorwidget/colorwidget.h
View File

@ -19,7 +19,7 @@ class ColorWidget : public QWidget
public:
static ColorWidget *Instance();
explicit ColorWidget(QWidget *parent = 0);
~ColorWidget();
~ColorWidget();
protected:
void mousePressEvent(QMouseEvent *);

5
colorwidget/colorwidget.pro
View File

@ -14,5 +14,10 @@ DESTDIR = $$PWD/../bin
CONFIG += warn_off
SOURCES += main.cpp
SOURCES += frmcolorwidget.cpp
SOURCES += colorwidget.cpp
HEADERS += colorwidget.h
HEADERS += frmcolorwidget.h
FORMS += frmcolorwidget.ui

18
colorwidget/frmcolorwidget.cpp Normal file
View File

@ -0,0 +1,18 @@
#include "frmcolorwidget.h"
#include "ui_frmcolorwidget.h"
#include "colorwidget.h"
frmColorWidget::frmColorWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmColorWidget)
{
ui->setupUi(this);
}
frmColorWidget::~frmColorWidget()
{
delete ui;
}
void frmColorWidget::on_pushButton_clicked()
{
ColorWidget::Instance()->show();
}

25
colorwidget/frmcolorwidget.h Normal file
View File

@ -0,0 +1,25 @@
#ifndef FRMCOLORWIDGET_H
#define FRMCOLORWIDGET_H
#include <QWidget>
namespace Ui {
class frmColorWidget;
}
class frmColorWidget : public QWidget
{
Q_OBJECT
public:
explicit frmColorWidget(QWidget *parent = 0);
~frmColorWidget();
private slots:
void on_pushButton_clicked();
private:
Ui::frmColorWidget *ui;
};
#endif // FRMCOLORWIDGET_H

32
colorwidget/frmcolorwidget.ui Normal file
View File

@ -0,0 +1,32 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>frmColorWidget</class>
<widget class="QWidget" name="frmColorWidget">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="pushButton">
<property name="geometry">
<rect>
<x>10</x>
<y>10</y>
<width>92</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>弹出</string>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>

7
colorwidget/main.cpp
View File

@ -1,9 +1,8 @@
#pragma execution_character_set("utf-8")
#include "colorwidget.h"
#include "frmcolorwidget.h"
#include <QApplication>
#include <QTextCodec>
#include <QIcon>
int main(int argc, char *argv[])
{
@ -24,7 +23,9 @@ int main(int argc, char *argv[])
QTextCodec::setCodecForLocale(codec);
#endif
ColorWidget::Instance()->show();
frmColorWidget w;
w.setWindowTitle("屏幕拾色器");
w.show();
return a.exec();
}

2
framelesswidget/framelesswidget.cpp
View File

@ -205,6 +205,6 @@ void FramelessWidget::setWidget(QWidget *widget)
//绑定事件过滤器
this->widget->installEventFilter(this);
//设置悬停为真,必须设置这个,不然当父窗体里边还有子窗体全部遮挡了识别不到MouseMove,需要识别HoverMove
this->widget->setAttribute(Qt::WA_Hover, true);
this->widget->setAttribute(Qt::WA_Hover, true);
}
}

2
framelesswidget/frmframelesswidget.cpp
View File

@ -22,7 +22,7 @@ void frmFramelessWidget::closeEvent(QCloseEvent *)
exit(0);
}
void frmFramelessWidget::on_btnOpen_clicked()
void frmFramelessWidget::on_pushButton_clicked()
{
if (w == 0) {
w = new QWidget;

7
framelesswidget/frmframelesswidget.h
View File

@ -4,9 +4,8 @@
#include <QWidget>
class FramelessWidget;
namespace Ui
{
class frmFramelessWidget;
namespace Ui {
class frmFramelessWidget;
}
class frmFramelessWidget : public QWidget
@ -26,7 +25,7 @@ private:
FramelessWidget *frameless;
private slots:
void on_btnOpen_clicked();
void on_pushButton_clicked();
void stateChanged1(int arg1);
void stateChanged2(int arg1);
};

8
framelesswidget/frmframelesswidget.ui
View File

@ -13,17 +13,17 @@
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="btnOpen">
<widget class="QPushButton" name="pushButton">
<property name="geometry">
<rect>
<x>10</x>
<y>10</y>
<width>181</width>
<height>23</height>
<width>92</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>弹窗无边框窗体</string>
<string>弹出</string>
</property>
</widget>
</widget>

18
gifwidget/frmgifwidget.cpp Normal file
View File

@ -0,0 +1,18 @@
#include "frmgifwidget.h"
#include "ui_frmgifwidget.h"
#include "gifwidget.h"
frmGifWidget::frmGifWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmGifWidget)
{
ui->setupUi(this);
}
frmGifWidget::~frmGifWidget()
{
delete ui;
}
void frmGifWidget::on_pushButton_clicked()
{
GifWidget::Instance()->show();
}

25
gifwidget/frmgifwidget.h Normal file
View File

@ -0,0 +1,25 @@
#ifndef FRMGIFWIDGET_H
#define FRMGIFWIDGET_H
#include <QWidget>
namespace Ui {
class frmGifWidget;
}
class frmGifWidget : public QWidget
{
Q_OBJECT
public:
explicit frmGifWidget(QWidget *parent = 0);
~frmGifWidget();
private slots:
void on_pushButton_clicked();
private:
Ui::frmGifWidget *ui;
};
#endif // FRMGIFWIDGET_H

32
gifwidget/frmgifwidget.ui Normal file
View File

@ -0,0 +1,32 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>frmGifWidget</class>
<widget class="QWidget" name="frmGifWidget">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="pushButton">
<property name="geometry">
<rect>
<x>10</x>
<y>10</y>
<width>92</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>弹出</string>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>

234
gifwidget/gif.h
View File

@ -72,16 +72,13 @@ public:
};
// max, min, and abs functions
int GifIMax(int l, int r)
{
int GifIMax(int l, int r) {
return l > r ? l : r;
}
int GifIMin(int l, int r)
{
int GifIMin(int l, int r) {
return l < r ? l : r;
}
int GifIAbs(int i)
{
int GifIAbs(int i) {
return i < 0 ? -i : i;
}
@ -89,12 +86,11 @@ public:
// Takes as in/out parameters the current best color and its error -
// only changes them if it finds a better color in its subtree.
// this is the major hotspot in the code at the moment.
void GifGetClosestPaletteColor(GifPalette *pPal, int r, int g, int b, int &bestInd, int &bestDiff, int treeRoot = 1)
{
void GifGetClosestPaletteColor(GifPalette *pPal, int r, int g, int b, int &bestInd, int &bestDiff, int treeRoot = 1) {
// base case, reached the bottom of the tree
if(treeRoot > (1 << pPal->bitDepth) - 1) {
if (treeRoot > (1 << pPal->bitDepth) - 1) {
int ind = treeRoot - (1 << pPal->bitDepth);
if(ind == kGifTransIndex) {
if (ind == kGifTransIndex) {
return;
}
// check whether this color is better than the current winner
@ -102,7 +98,7 @@ public:
int g_err = g - ((int32_t)pPal->g[ind]);
int b_err = b - ((int32_t)pPal->b[ind]);
int diff = GifIAbs(r_err) + GifIAbs(g_err) + GifIAbs(b_err);
if(diff < bestDiff) {
if (diff < bestDiff) {
bestInd = ind;
bestDiff = diff;
}
@ -116,23 +112,22 @@ public:
int splitComp = comps[pPal->treeSplitElt[treeRoot]];
int splitPos = pPal->treeSplit[treeRoot];
if(splitPos > splitComp) {
if (splitPos > splitComp) {
// check the left subtree
GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot * 2);
if( bestDiff > splitPos - splitComp ) {
if (bestDiff > splitPos - splitComp) {
// cannot prove there's not a better value in the right subtree, check that too
GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot * 2 + 1);
}
} else {
GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot * 2 + 1);
if( bestDiff > splitComp - splitPos ) {
if (bestDiff > splitComp - splitPos) {
GifGetClosestPaletteColor(pPal, r, g, b, bestInd, bestDiff, treeRoot * 2);
}
}
}
void GifSwapPixels(uint8_t *image, int pixA, int pixB)
{
void GifSwapPixels(uint8_t *image, int pixA, int pixB) {
uint8_t rA = image[pixA * 4];
uint8_t gA = image[pixA * 4 + 1];
uint8_t bA = image[pixA * 4 + 2];
@ -155,19 +150,18 @@ public:
}
// just the partition operation from quicksort
int GifPartition(uint8_t *image, const int left, const int right, const int elt, int pivotIndex)
{
int GifPartition(uint8_t *image, const int left, const int right, const int elt, int pivotIndex) {
const int pivotValue = image[(pivotIndex) * 4 + elt];
GifSwapPixels(image, pivotIndex, right - 1);
int storeIndex = left;
bool split = 0;
for(int ii = left; ii < right - 1; ++ii) {
for (int ii = left; ii < right - 1; ++ii) {
int arrayVal = image[ii * 4 + elt];
if( arrayVal < pivotValue ) {
if (arrayVal < pivotValue) {
GifSwapPixels(image, ii, storeIndex);
++storeIndex;
} else if( arrayVal == pivotValue ) {
if(split) {
} else if (arrayVal == pivotValue) {
if (split) {
GifSwapPixels(image, ii, storeIndex);
++storeIndex;
}
@ -179,16 +173,15 @@ public:
}
// Perform an incomplete sort, finding all elements above and below the desired median
void GifPartitionByMedian(uint8_t *image, int left, int right, int com, int neededCenter)
{
void GifPartitionByMedian(uint8_t *image, int left, int right, int com, int neededCenter) {
if (left < right - 1) {
int pivotIndex = left + (right - left) / 2;
pivotIndex = GifPartition(image, left, right, com, pivotIndex);
// Only "sort" the section of the array that contains the median
if(pivotIndex > neededCenter) {
if (pivotIndex > neededCenter) {
GifPartitionByMedian(image, left, pivotIndex, com, neededCenter);
}
if(pivotIndex < neededCenter) {
if (pivotIndex < neededCenter) {
GifPartitionByMedian(image, pivotIndex + 1, right, com, neededCenter);
}
}
@ -199,8 +192,7 @@ public:
int numPixels, int firstElt,
int lastElt, int splitElt,
int splitDist, int treeNode,
bool buildForDither, GifPalette *pal)
{
bool buildForDither, GifPalette *pal) {
if (lastElt <= firstElt || numPixels == 0) {
return;
}
@ -210,10 +202,10 @@ public:
// Dithering needs at least one color as dark as anything
// in the image and at least one brightest color -
// otherwise it builds up error and produces strange artifacts
if( firstElt == 1 ) {
if (firstElt == 1) {
// special case: the darkest color in the image
uint32_t r = 255, g = 255, b = 255;
for(int ii = 0; ii < numPixels; ++ii) {
for (int ii = 0; ii < numPixels; ++ii) {
r = (uint32_t)GifIMin((int32_t)r, image[ii * 4 + 0]);
g = (uint32_t)GifIMin((int32_t)g, image[ii * 4 + 1]);
b = (uint32_t)GifIMin((int32_t)b, image[ii * 4 + 2]);
@ -224,10 +216,10 @@ public:
return;
}
if ( firstElt == (1 << pal->bitDepth) - 1 ) {
if (firstElt == (1 << pal->bitDepth) - 1) {
// special case: the lightest color in the image
uint32_t r = 0, g = 0, b = 0;
for(int ii = 0; ii < numPixels; ++ii) {
for (int ii = 0; ii < numPixels; ++ii) {
r = (uint32_t)GifIMax((int32_t)r, image[ii * 4 + 0]);
g = (uint32_t)GifIMax((int32_t)g, image[ii * 4 + 1]);
b = (uint32_t)GifIMax((int32_t)b, image[ii * 4 + 2]);
@ -263,29 +255,29 @@ public:
int minR = 255, maxR = 0;
int minG = 255, maxG = 0;
int minB = 255, maxB = 0;
for(int ii = 0; ii < numPixels; ++ii) {
for (int ii = 0; ii < numPixels; ++ii) {
int r = image[ii * 4 + 0];
int g = image[ii * 4 + 1];
int b = image[ii * 4 + 2];
if(r > maxR) {
if (r > maxR) {
maxR = r;
}
if(r < minR) {
if (r < minR) {
minR = r;
}
if(g > maxG) {
if (g > maxG) {
maxG = g;
}
if(g < minG) {
if (g < minG) {
minG = g;
}
if(b > maxB) {
if (b > maxB) {
maxB = b;
}
if(b < minB) {
if (b < minB) {
minB = b;
}
}
@ -318,14 +310,13 @@ public:
// moves them to the fromt of th buffer.
// This allows us to build a palette optimized for the colors of the
// changed pixels only.
int GifPickChangedPixels( const uint8_t *lastFrame, uint8_t *frame, int numPixels )
{
int GifPickChangedPixels(const uint8_t *lastFrame, uint8_t *frame, int numPixels) {
int numChanged = 0;
uint8_t *writeIter = frame;
for (int ii = 0; ii < numPixels; ++ii) {
if(lastFrame[0] != frame[0] ||
lastFrame[1] != frame[1] ||
lastFrame[2] != frame[2]) {
if (lastFrame[0] != frame[0] ||
lastFrame[1] != frame[1] ||
lastFrame[2] != frame[2]) {
writeIter[0] = frame[0];
writeIter[1] = frame[1];
writeIter[2] = frame[2];
@ -340,12 +331,11 @@ public:
// Creates a palette by placing all the image pixels in a k-d tree and then averaging the blocks at the bottom.
// This is known as the "modified median split" technique
void GifMakePalette( const uint8_t *lastFrame,
const uint8_t *nextFrame,
uint32_t width, uint32_t height,
int bitDepth, bool buildForDither,
GifPalette *pPal )
{
void GifMakePalette(const uint8_t *lastFrame,
const uint8_t *nextFrame,
uint32_t width, uint32_t height,
int bitDepth, bool buildForDither,
GifPalette *pPal) {
pPal->bitDepth = bitDepth;
// SplitPalette is destructive (it sorts the pixels by color) so
@ -355,7 +345,7 @@ public:
memcpy(destroyableImage, nextFrame, imageSize);
int numPixels = (int)(width * height);
if(lastFrame) {
if (lastFrame) {
numPixels = GifPickChangedPixels(lastFrame, destroyableImage, numPixels);
}
@ -375,24 +365,23 @@ public:
}
// Implements Floyd-Steinberg dithering, writes palette value to alpha
void GifDitherImage( const uint8_t *lastFrame, const uint8_t *nextFrame,
uint8_t *outFrame, uint32_t width,
uint32_t height, GifPalette *pPal )
{
void GifDitherImage(const uint8_t *lastFrame, const uint8_t *nextFrame,
uint8_t *outFrame, uint32_t width,
uint32_t height, GifPalette *pPal) {
int numPixels = (int)(width * height);
// quantPixels initially holds color*256 for all pixels
// The extra 8 bits of precision allow for sub-single-color error values
// to be propagated
int32_t *quantPixels = (int32_t *)GIF_TEMP_MALLOC(sizeof(int32_t) * (size_t)numPixels * 4);
for( int ii = 0; ii < numPixels * 4; ++ii ) {
for (int ii = 0; ii < numPixels * 4; ++ii) {
uint8_t pix = nextFrame[ii];
int32_t pix16 = int32_t(pix) * 256;
quantPixels[ii] = pix16;
}
for( uint32_t yy = 0; yy < height; ++yy ) {
for( uint32_t xx = 0; xx < width; ++xx ) {
for (uint32_t yy = 0; yy < height; ++yy) {
for (uint32_t xx = 0; xx < width; ++xx) {
int32_t *nextPix = quantPixels + 4 * (yy * width + xx);
const uint8_t *lastPix = lastFrame ? lastFrame + 4 * (yy * width + xx) : NULL;
// Compute the colors we want (rounding to nearest)
@ -401,10 +390,10 @@ public:
int32_t bb = (nextPix[2] + 127) / 256;
// if it happens that we want the color from last frame, then just write out
// a transparent pixel
if( lastFrame &&
lastPix[0] == rr &&
lastPix[1] == gg &&
lastPix[2] == bb ) {
if (lastFrame &&
lastPix[0] == rr &&
lastPix[1] == gg &&
lastPix[2] == bb) {
nextPix[0] = rr;
nextPix[1] = gg;
nextPix[2] = bb;
@ -433,37 +422,37 @@ public:
int quantloc_5 = (int)(yy * width + width + xx);
int quantloc_1 = (int)(yy * width + width + xx + 1);
if(quantloc_7 < numPixels) {
if (quantloc_7 < numPixels) {
int32_t *pix7 = quantPixels + 4 * quantloc_7;
pix7[0] += GifIMax( -pix7[0], r_err * 7 / 16 );
pix7[1] += GifIMax( -pix7[1], g_err * 7 / 16 );
pix7[2] += GifIMax( -pix7[2], b_err * 7 / 16 );
pix7[0] += GifIMax(-pix7[0], r_err * 7 / 16);
pix7[1] += GifIMax(-pix7[1], g_err * 7 / 16);
pix7[2] += GifIMax(-pix7[2], b_err * 7 / 16);
}
if(quantloc_3 < numPixels) {
if (quantloc_3 < numPixels) {
int32_t *pix3 = quantPixels + 4 * quantloc_3;
pix3[0] += GifIMax( -pix3[0], r_err * 3 / 16 );
pix3[1] += GifIMax( -pix3[1], g_err * 3 / 16 );
pix3[2] += GifIMax( -pix3[2], b_err * 3 / 16 );
pix3[0] += GifIMax(-pix3[0], r_err * 3 / 16);
pix3[1] += GifIMax(-pix3[1], g_err * 3 / 16);
pix3[2] += GifIMax(-pix3[2], b_err * 3 / 16);
}
if(quantloc_5 < numPixels) {
if (quantloc_5 < numPixels) {
int32_t *pix5 = quantPixels + 4 * quantloc_5;
pix5[0] += GifIMax( -pix5[0], r_err * 5 / 16 );
pix5[1] += GifIMax( -pix5[1], g_err * 5 / 16 );
pix5[2] += GifIMax( -pix5[2], b_err * 5 / 16 );
pix5[0] += GifIMax(-pix5[0], r_err * 5 / 16);
pix5[1] += GifIMax(-pix5[1], g_err * 5 / 16);
pix5[2] += GifIMax(-pix5[2], b_err * 5 / 16);
}
if(quantloc_1 < numPixels) {
if (quantloc_1 < numPixels) {
int32_t *pix1 = quantPixels + 4 * quantloc_1;
pix1[0] += GifIMax( -pix1[0], r_err / 16 );
pix1[1] += GifIMax( -pix1[1], g_err / 16 );
pix1[2] += GifIMax( -pix1[2], b_err / 16 );
pix1[0] += GifIMax(-pix1[0], r_err / 16);
pix1[1] += GifIMax(-pix1[1], g_err / 16);
pix1[2] += GifIMax(-pix1[2], b_err / 16);
}
}
}
// Copy the palettized result to the output buffer
for( int ii = 0; ii < numPixels * 4; ++ii ) {
for (int ii = 0; ii < numPixels * 4; ++ii) {
outFrame[ii] = (uint8_t)quantPixels[ii];
}
@ -471,18 +460,17 @@ public:
}
// Picks palette colors for the image using simple thresholding, no dithering
void GifThresholdImage( const uint8_t *lastFrame, const uint8_t *nextFrame,
uint8_t *outFrame, uint32_t width, uint32_t height,
GifPalette *pPal )
{
void GifThresholdImage(const uint8_t *lastFrame, const uint8_t *nextFrame,
uint8_t *outFrame, uint32_t width, uint32_t height,
GifPalette *pPal) {
uint32_t numPixels = width * height;
for( uint32_t ii = 0; ii < numPixels; ++ii ) {
for (uint32_t ii = 0; ii < numPixels; ++ii) {
// if a previous color is available, and it matches the current color,
// set the pixel to transparent
if(lastFrame &&
lastFrame[0] == nextFrame[0] &&
lastFrame[1] == nextFrame[1] &&
lastFrame[2] == nextFrame[2]) {
if (lastFrame &&
lastFrame[0] == nextFrame[0] &&
lastFrame[1] == nextFrame[1] &&
lastFrame[2] == nextFrame[2]) {
outFrame[0] = lastFrame[0];
outFrame[1] = lastFrame[1];
outFrame[2] = lastFrame[2];
@ -499,7 +487,7 @@ public:
outFrame[2] = pPal->b[bestInd];
outFrame[3] = (uint8_t)bestInd;
}
if(lastFrame) {
if (lastFrame) {
lastFrame += 4;
}
outFrame += 4;
@ -518,14 +506,13 @@ public:
};
// insert a single bit
void GifWriteBit( GifBitStatus &stat, uint32_t bit )
{
void GifWriteBit(GifBitStatus &stat, uint32_t bit) {
bit = bit & 1;
bit = bit << stat.bitIndex;
stat.byte |= bit;
++stat.bitIndex;
if( stat.bitIndex > 7 ) {
if (stat.bitIndex > 7) {
// move the newly-finished byte to the chunk buffer
stat.chunk[stat.chunkIndex++] = stat.byte;
// and start a new byte
@ -535,8 +522,7 @@ public:
}
// write all bytes so far to the file
void GifWriteChunk( FILE *f, GifBitStatus &stat )
{
void GifWriteChunk(FILE *f, GifBitStatus &stat) {
fputc((int)stat.chunkIndex, f);
fwrite(stat.chunk, 1, stat.chunkIndex, f);
@ -545,12 +531,11 @@ public:
stat.chunkIndex = 0;
}
void GifWriteCode( FILE *f, GifBitStatus &stat, uint32_t code, uint32_t length )
{
for( uint32_t ii = 0; ii < length; ++ii ) {
void GifWriteCode(FILE *f, GifBitStatus &stat, uint32_t code, uint32_t length) {
for (uint32_t ii = 0; ii < length; ++ii) {
GifWriteBit(stat, code);
code = code >> 1;
if( stat.chunkIndex == 255 ) {
if (stat.chunkIndex == 255) {
GifWriteChunk(f, stat);
}
}
@ -563,12 +548,11 @@ public:
};
// write a 256-color (8-bit) image palette to the file
void GifWritePalette( const GifPalette *pPal, FILE *f )
{
void GifWritePalette(const GifPalette *pPal, FILE *f) {
fputc(0, f); // first color: transparency
fputc(0, f);
fputc(0, f);
for(int ii = 1; ii < (1 << pPal->bitDepth); ++ii) {
for (int ii = 1; ii < (1 << pPal->bitDepth); ++ii) {
uint32_t r = pPal->r[ii];
uint32_t g = pPal->g[ii];
uint32_t b = pPal->b[ii];
@ -582,8 +566,7 @@ public:
void GifWriteLzwImage(FILE *f, uint8_t *image, uint32_t left,
uint32_t top, uint32_t width,
uint32_t height, uint32_t delay,
GifPalette *pPal)
{
GifPalette *pPal) {
// graphics control extension
fputc(0x21, f);
fputc(0xf9, f);
@ -631,16 +614,16 @@ public:
GifWriteCode(f, stat, clearCode, codeSize); // start with a fresh LZW dictionary
for(uint32_t yy = 0; yy < height; ++yy) {
for(uint32_t xx = 0; xx < width; ++xx) {
for (uint32_t yy = 0; yy < height; ++yy) {
for (uint32_t xx = 0; xx < width; ++xx) {
uint8_t nextValue = image[(yy * width + xx) * 4 + 3];
// "loser mode" - no compression, every single code is followed immediately by a clear
//WriteCode( f, stat, nextValue, codeSize );
//WriteCode( f, stat, 256, codeSize );
if( curCode < 0 ) {
if (curCode < 0) {
// first value in a new run
curCode = nextValue;
} else if( codetree[curCode].m_next[nextValue] ) {
} else if (codetree[curCode].m_next[nextValue]) {
// current run already in the dictionary
curCode = codetree[curCode].m_next[nextValue];
} else {
@ -648,12 +631,12 @@ public:
GifWriteCode(f, stat, (uint32_t)curCode, codeSize);
// insert the new run into the dictionary
codetree[curCode].m_next[nextValue] = (uint16_t)++maxCode;
if( maxCode >= (1ul << codeSize) ) {
if (maxCode >= (1ul << codeSize)) {
// dictionary entry count has broken a size barrier,
// we need more bits for codes
codeSize++;
}
if( maxCode == 4095 ) {
if (maxCode == 4095) {
// the dictionary is full, clear it out and begin anew
GifWriteCode(f, stat, clearCode, codeSize); // clear tree
@ -670,10 +653,10 @@ public:
GifWriteCode(f, stat, clearCode, codeSize);
GifWriteCode(f, stat, clearCode + 1, (uint32_t)minCodeSize + 1);
// write out the last partial chunk
while( stat.bitIndex ) {
while (stat.bitIndex) {
GifWriteBit(stat, 0);
}
if( stat.chunkIndex ) {
if (stat.chunkIndex) {
GifWriteChunk(f, stat);
}
@ -691,11 +674,10 @@ public:
// Creates a gif file.
// The input GIFWriter is assumed to be uninitialized.
// The delay value is the time between frames in hundredths of a second - note that not all viewers pay much attention to this value.
bool GifBegin( GifWriter *writer, const char *filename,
uint32_t width, uint32_t height,
uint32_t delay, int32_t bitDepth = 8,
bool dither = false )
{
bool GifBegin(GifWriter *writer, const char *filename,
uint32_t width, uint32_t height,
uint32_t delay, int32_t bitDepth = 8,
bool dither = false) {
(void)bitDepth;
(void)dither; // Mute "Unused argument" warnings
#if defined(_MSC_VER) && (_MSC_VER >= 1400)
@ -704,7 +686,7 @@ public:
#else
writer->f = fopen(filename, "wb");
#endif
if(!writer->f) {
if (!writer->f) {
return false;
}
@ -734,7 +716,7 @@ public:
fputc(0, writer->f);
fputc(0, writer->f);
if( delay != 0 ) {
if (delay != 0) {
// animation header
fputc(0x21, writer->f); // extension
fputc(0xff, writer->f); // application specific
@ -755,11 +737,10 @@ public:
// The GIFWriter should have been created by GIFBegin.
// AFAIK, it is legal to use different bit depths for different frames of an image -
// this may be handy to save bits in animations that don't change much.
bool GifWriteFrame( GifWriter *writer, const uint8_t *image,
uint32_t width, uint32_t height,
uint32_t delay, int bitDepth = 8, bool dither = false )
{
if(!writer->f) {
bool GifWriteFrame(GifWriter *writer, const uint8_t *image,
uint32_t width, uint32_t height,
uint32_t delay, int bitDepth = 8, bool dither = false) {
if (!writer->f) {
return false;
}
@ -769,7 +750,7 @@ public:
GifPalette pal;
GifMakePalette((dither ? NULL : oldImage), image, width, height, bitDepth, dither, &pal);
if(dither) {
if (dither) {
GifDitherImage(oldImage, image, writer->oldImage, width, height, &pal);
} else {
GifThresholdImage(oldImage, image, writer->oldImage, width, height, &pal);
@ -783,9 +764,8 @@ public:
// Writes the EOF code, closes the file handle, and frees temp memory used by a GIF.
// Many if not most viewers will still display a GIF properly if the EOF code is missing,
// but it's still a good idea to write it out.
bool GifEnd( GifWriter *writer )
{
if(!writer->f) {
bool GifEnd(GifWriter *writer) {
if (!writer->f) {
return false;
}

1
gifwidget/gifwidget.h
View File

@ -24,6 +24,7 @@ class GifWidget : public QDialog
{
Q_OBJECT
Q_PROPERTY(int borderWidth READ getBorderWidth WRITE setBorderWidth)
Q_PROPERTY(QColor bgColor READ getBgColor WRITE setBgColor)

5
gifwidget/gifwidget.pro
View File

@ -14,7 +14,12 @@ DESTDIR = $$PWD/../bin
CONFIG += warn_off
SOURCES += main.cpp
SOURCES += frmgifwidget.cpp
SOURCES += gifwidget.cpp
HEADERS += gifwidget.h
HEADERS += frmgifwidget.h
HEADERS += gif.h
FORMS += frmgifwidget.ui
RESOURCES += main.qrc

6
gifwidget/main.cpp
View File

@ -1,6 +1,6 @@
#pragma execution_character_set("utf-8")
#include "gifwidget.h"
#include "frmgifwidget.h"
#include <QApplication>
#include <QTextCodec>
#include <QIcon>
@ -25,7 +25,9 @@ int main(int argc, char *argv[])
QTextCodec::setCodecForLocale(codec);
#endif
GifWidget::Instance()->show();
frmGifWidget w;
w.setWindowTitle("GIF录屏");
w.show();
return a.exec();
}

11
maskwidget/frmmaskwidget.cpp
View File

@ -4,12 +4,13 @@
#include "ui_frmmaskwidget.h"
#include "maskwidget.h"
#include "qdialog.h"
#include "qtimer.h"
#include "qdebug.h"
frmMaskWidget::frmMaskWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmMaskWidget)
{
ui->setupUi(this);
MaskWidget::Instance()->setMainWidget(this);
MaskWidget::Instance()->setDialogNames(QStringList() << "frmTest");
QTimer::singleShot(1000, this, SLOT(initForm()));
}
frmMaskWidget::~frmMaskWidget()
@ -18,6 +19,12 @@ frmMaskWidget::~frmMaskWidget()
exit(0);
}
void frmMaskWidget::initForm()
{
MaskWidget::Instance()->setMainWidget(this->topLevelWidget());
MaskWidget::Instance()->setDialogNames(QStringList() << "frmTest");
}
void frmMaskWidget::on_pushButton_clicked()
{
QDialog d;

7
maskwidget/frmmaskwidget.h
View File

@ -15,11 +15,12 @@ public:
explicit frmMaskWidget(QWidget *parent = 0);
~frmMaskWidget();
private slots:
void on_pushButton_clicked();
private:
Ui::frmMaskWidget *ui;
private slots:
void initForm();
void on_pushButton_clicked();
};
#endif // FRMMASKWIDGET_H

6
maskwidget/frmmaskwidget.ui
View File

@ -18,12 +18,12 @@
<rect>
<x>10</x>
<y>10</y>
<width>131</width>
<height>23</height>
<width>92</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>弹出遮罩窗体</string>
<string>弹出</string>
</property>
</widget>
</widget>

5
movewidget/frmmovewidget.h
View File

@ -3,9 +3,8 @@
#include <QWidget>
namespace Ui
{
class frmMoveWidget;
namespace Ui {
class frmMoveWidget;
}
class frmMoveWidget : public QWidget

16
movewidget/movewidget.cpp
View File

@ -55,14 +55,6 @@ bool MoveWidget::eventFilter(QObject *watched, QEvent *event)
return QObject::eventFilter(watched, event);
}
void MoveWidget::setWidget(QWidget *widget)
{
if (this->widget == 0) {
this->widget = widget;
this->widget->installEventFilter(this);
}
}
void MoveWidget::setLeftButton(bool leftButton)
{
this->leftButton = leftButton;
@ -72,3 +64,11 @@ void MoveWidget::setInControl(bool inControl)
{
this->inControl = inControl;
}
void MoveWidget::setWidget(QWidget *widget)
{
if (this->widget == 0) {
this->widget = widget;
this->widget->installEventFilter(this);
}
}

14
movewidget/movewidget.h
View File

@ -3,21 +3,15 @@
/**
* 通用控件移动类 作者:feiyangqingyun(QQ:517216493) 2019-9-28
* 1:可以指定需要移动的widget
* 2:可设置是否限定鼠标左键拖动
* 3:支持任意widget控件
* 1. 可以指定需要移动的widget
* 2. 可设置是否限定鼠标左键拖动
* 3. 支持任意widget控件
*/
#include <QWidget>
#ifdef quc
#if (QT_VERSION < QT_VERSION_CHECK(5,7,0))
#include <QtDesigner/QDesignerExportWidget>
#else
#include <QtUiPlugin/QDesignerExportWidget>
#endif
class QDESIGNER_WIDGET_EXPORT MoveWidget : public QObject
class Q_DECL_EXPORT MoveWidget : public QObject
#else
class MoveWidget : public QObject
#endif

11
pngtool/frmpngtool.cpp
View File

@ -1,4 +1,5 @@
#include "frmpngtool.h"
#pragma execution_character_set("utf-8")
#include "frmpngtool.h"
#include "ui_frmpngtool.h"
#include "qfile.h"
#include "qfiledialog.h"
@ -40,7 +41,7 @@ void frmPngTool::on_btnOk_clicked()
//将单个文件加入队列
QString currentFile = ui->txtFile->text().trimmed();
if (currentFile.isEmpty()) {
if (!currentFile.isEmpty()) {
files.append(currentFile);
}
@ -51,7 +52,6 @@ void frmPngTool::on_btnOk_clicked()
QStringList filter;
filter << "*.png";
QStringList list = imagePath.entryList(filter);
foreach (QString str, list) {
files.append(currentDir + "/" + str);
}
@ -60,9 +60,10 @@ void frmPngTool::on_btnOk_clicked()
ui->progress->setRange(0, files.count());
ui->progress->setValue(0);
ui->txtMain->clear();
int count = 0;
foreach (QString file, files) {
qDebug() << "current file:" << file;
ui->txtMain->append(file);
QImage image(file);
image.save(file, "png");
count++;
@ -70,5 +71,5 @@ void frmPngTool::on_btnOk_clicked()
qApp->processEvents();
}
qDebug() << "finsh";
ui->txtMain->append(QString("处理完成, 共 %1 个文件").arg(files.count()));
}

43
pngtool/frmpngtool.ui
View File

@ -6,14 +6,24 @@
<rect>
<x>0</x>
<y>0</y>
<width>437</width>
<height>105</height>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0">
<widget class="QLineEdit" name="txtFile"/>
</item>
<item row="2" column="1">
<widget class="QPushButton" name="btnOk">
<property name="text">
<string>执行转换</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QLineEdit" name="txtDir"/>
</item>
@ -24,9 +34,6 @@
</property>
</widget>
</item>
<item row="0" column="0">
<widget class="QLineEdit" name="txtFile"/>
</item>
<item row="0" column="1">
<widget class="QPushButton" name="btnFile">
<property name="text">
@ -37,29 +44,15 @@
<item row="2" column="0">
<widget class="QProgressBar" name="progress">
<property name="value">
<number>24</number>
<number>0</number>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="2" column="1">
<widget class="QPushButton" name="btnOk">
<property name="text">
<string>执行转换</string>
</property>
</widget>
</item>
<item row="3" column="0">
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
<item row="3" column="0" colspan="2">
<widget class="QTextEdit" name="txtMain"/>
</item>
</layout>
</widget>

18
screenwidget/frmscreenwidget.cpp Normal file
View File

@ -0,0 +1,18 @@
#include "frmscreenwidget.h"
#include "ui_frmscreenwidget.h"
#include "screenwidget.h"
frmScreenWidget::frmScreenWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmScreenWidget)
{
ui->setupUi(this);
}
frmScreenWidget::~frmScreenWidget()
{
delete ui;
}
void frmScreenWidget::on_pushButton_clicked()
{
ScreenWidget::Instance()->showFullScreen();
}

25
screenwidget/frmscreenwidget.h Normal file
View File

@ -0,0 +1,25 @@
#ifndef FRMSCREENWIDGET_H
#define FRMSCREENWIDGET_H
#include <QWidget>
namespace Ui {
class frmScreenWidget;
}
class frmScreenWidget : public QWidget
{
Q_OBJECT
public:
explicit frmScreenWidget(QWidget *parent = 0);
~frmScreenWidget();
private slots:
void on_pushButton_clicked();
private:
Ui::frmScreenWidget *ui;
};
#endif // FRMSCREENWIDGET_H

32
screenwidget/frmscreenwidget.ui Normal file
View File

@ -0,0 +1,32 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>frmScreenWidget</class>
<widget class="QWidget" name="frmScreenWidget">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="pushButton">
<property name="geometry">
<rect>
<x>10</x>
<y>10</y>
<width>92</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>弹出</string>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>

7
screenwidget/main.cpp
View File

@ -1,9 +1,8 @@
#pragma execution_character_set("utf-8")
#include "screenwidget.h"
#include "frmscreenwidget.h"
#include <QApplication>
#include <QTextCodec>
#include <QIcon>
int main(int argc, char *argv[])
{
@ -24,7 +23,9 @@ int main(int argc, char *argv[])
QTextCodec::setCodecForLocale(codec);
#endif
ScreenWidget::Instance()->showFullScreen();
frmScreenWidget w;
w.setWindowTitle("屏幕截图");
w.show();
return a.exec();
}

4
screenwidget/screenwidget.h
View File

@ -73,8 +73,8 @@ protected:
void paintEvent(QPaintEvent *);
void showEvent(QShowEvent *);
private slots:
void saveScreen();
private slots:
void saveScreen();
void saveFullScreen();
void saveScreenOther();
void saveFullOther();

5
screenwidget/screenwidget.pro
View File

@ -14,5 +14,10 @@ DESTDIR = $$PWD/../bin
CONFIG += warn_off
SOURCES += main.cpp
SOURCES += frmscreenwidget.cpp
SOURCES += screenwidget.cpp
HEADERS += screenwidget.h
HEADERS += frmscreenwidget.h
FORMS += frmscreenwidget.ui