void PageItem_ImageFrame::handleModeEditKey(QKeyEvent *k, bool& keyRepeat)
{
double moveBy=1.0;
Qt::KeyboardModifiers buttonModifiers = k->modifiers();
bool controlDown=(buttonModifiers & Qt::ControlModifier);
bool altDown=(buttonModifiers & Qt::AltModifier);
bool shiftDown=(buttonModifiers & Qt::ShiftModifier);
bool resizingImage=false;
if (shiftDown && !controlDown)
moveBy=10.0;
else if (shiftDown && controlDown && !altDown)
moveBy=0.1;
else if (shiftDown && controlDown && altDown)
moveBy=0.01;
else if (!shiftDown && altDown)
resizingImage=true;
double dX=0.0,dY=0.0;
int kk = k->key();
if (!resizingImage)
{
moveBy/=m_Doc->unitRatio();//Lets allow movement by the current doc ratio, not only points
switch (kk)
{
case Qt::Key_Left:
dX=-moveBy;
break;
case Qt::Key_Right:
dX=moveBy;
break;
case Qt::Key_Up:
dY=-moveBy;
break;
case Qt::Key_Down:
dY=moveBy;
break;
}
if (dX!=0.0 || dY!=0.0)
{
moveImageInFrame(dX, dY);
update();
}
}
else
{
switch (kk)
{
case Qt::Key_Left:
dX=-moveBy+100;
break;
case Qt::Key_Right:
dX=moveBy+100;
break;
case Qt::Key_Up:
dY=-moveBy+100;
break;
case Qt::Key_Down:
dY=moveBy+100;
break;
default:
return;
}
if (dX!=0.0)
{
double newXScale=dX / 100.0 * LocalScX;
setImageXScale(newXScale);
if (!controlDown)
{
double newYScale=dX / 100.0 * LocalScY;
setImageYScale(newYScale);
}
}
else
if (dY!=0.0)
{
double newYScale=dY / 100.0 * LocalScY;
setImageYScale(newYScale);
if (!controlDown)
{
double newXScale=dY / 100.0 * LocalScY;
setImageXScale(newXScale);
}
}
if (dX!=0.0 || dY!=0.0)
if (imageClip.size() != 0)
{
imageClip = pixm.imgInfo.PDSpathData[pixm.imgInfo.usedPath].copy();
QTransform cl;
cl.translate(imageXOffset()*imageXScale(), imageYOffset()*imageYScale());
cl.rotate(imageRotation());
cl.scale(imageXScale(), imageYScale());
imageClip.map(cl);
}
update();
}
}
int main() {
std::cout << "ICS 51, Lab 2" << "\nName: " << yourName << "\nStudentID: " << yourStudentID << "\n\n";
#define TEST_P1 1
#define TEST_P2 1
std::vector<unsigned char> png;
std::vector<unsigned char> image;
unsigned int width, height;
lodepng::State state;
std::string filename, outFilename;
#if TEST_P1
// Part 1 tests
unsigned char testStr0[3][3] = { {0, 30, 60},
{90, 120, 150},
{180, 210, 240} };
unsigned char exptectedStr0[3][3] = { {0, 0, 0},
{0, 0, 255},
{255, 255, 255} };
imageThresholding(&testStr0[0][0], 3);
int i, j;
bool err = 0;
for (i = 0; i < 3; ++i){
for (j = 0; j < 3; ++j) {
if (testStr0[i][j] != exptectedStr0[i][j]) {
std::cerr << "Part1: Test 1 failed at index: "<< i<< "," << j << std::endl;
err = 1;
}
}
}
if (!err)
std::cout << "Part1: Test 1 passed." << std::endl;
unsigned char testStr1[4][4] = {{0, 30, 90, 120},
{127, 45, 130, 60},
{127, 128, 0, 130},
{227, 228, 255, 255 }};
unsigned char exptectedStr1[4][4] = {{0, 0, 0, 0},
{0, 0, 255, 0 },
{0, 255, 0, 255},
{255, 255, 255, 255 }};
imageThresholding(&testStr1[0][0], 4);
err = 0;
for (i = 0; i < 4; ++i) {
for (j = 0; j < 4; ++j) {
if (testStr1[i][j]!= exptectedStr1[i][j]) {
std::cerr << "Part1: Test 2 failed at index: " << i << "," << j << std::endl;
err = 1;
}
}
}
if (!err)
std::cout << "Part1: Test 2 passed." << std::endl;
// Load a grayscale png (1Byte per pixel)
// Make a binary image by thresholding
filename = "Lena.png";
lodepng::decode(image, width, height, filename, LCT_GREY, 8U);
if (image.size() == 0) {
std::cerr << "Part1: Lena.png was not found. Make sure it exists in your visual studio project directory." << std::endl;
return -1;
}
assert(width == height);
imageThresholding((unsigned char*)&image[0], width);
outFilename = "Lena_binary.png";
lodepng::encode(outFilename, image, width, height, LCT_GREY, 8U);
image.clear();
std::cout << "Part1: Check out generated binary image: \"Lena_binary.png\"" << std::endl;
#endif
std::cout << std::endl;
#if TEST_P2
// Part 2 tests
unsigned int testStr2[3][3] = { {0x0, 0x10101010, 0x20202020},
{0x30303030, 0x40404040, 0x50505050},
{0x60606060, 0x70707070, 0x80808080} };
unsigned int exptectedStr2[3][3] = { {0x60606060, 0x30303030, 0x0},
{0x70707070, 0x40404040, 0x10101010},
{0x80808080, 0x50505050, 0x20202020} };
imageRotation(&testStr2[0][0], 3);
err = 0;
for (i = 0; i < 3; ++i){
for (j = 0; j < 3; ++j) {
if (testStr2[i][j] != exptectedStr2[i][j]) {
std::cerr << "Part2: Test 1 failed at index: "<< i << "," << j << " got: " << std::hex << testStr2[i][j] << " expected: " << exptectedStr2[i][j] << std::dec << std::endl;
err = 1;
}
}
}
if (!err)
std::cout << "Part2: Test 1 passed." << std::endl;
unsigned int testStr3[4][4] = { {0, 1, 2, 3},
{4, 5, 6, 7},
{8, 9, 10, 11},
{12, 13, 14, 15} };
unsigned int exptectedStr3[4][4] = { {12, 8, 4, 0},
{13, 9, 5, 1},
{14, 10, 6, 2},
{15, 11, 7, 3} };
imageRotation(&testStr3[0][0], 4);
err = 0;
for (i = 0; i < 4; ++i) {
for (j = 0; j < 4; ++j) {
if (testStr3[i][j]!= exptectedStr3[i][j]) {
std::cerr << "Part2: Test 2 failed at index: " << i << "," << j << " got: " << testStr3[i][j] << " expected: " << exptectedStr3[i][j] << std::endl;
err = 1;
}
}
}
if (!err)
std::cout << "Part2: Test 2 passed." << std::endl;
// Load a RGBA png (4-Bytes per pixel)
// Rotate it 90 degress clockwise
filename = "Baboon.png";
lodepng::decode(image, width, height, filename, LCT_RGBA, 8U);
if (image.size() == 0) {
std::cerr << "Part2: Baboon.png was not found. Make sure it exists in your visual studio project directory." << std::endl;
return -1;
}
assert(width == height);
imageRotation((unsigned int*)&image[0], width);
outFilename = "Baboon_rotated.png";
lodepng::encode(outFilename, image, width, height, LCT_RGBA, 8U);
std::cout << "Part2: Check out generated rotated image: \"Baboon_rotated.png\"" << std::endl;
#endif
getchar();
return 0;
}
