本文整理汇总了C++中BitMap::GetWidth方法的典型用法代码示例。如果您正苦于以下问题：C++ BitMap::GetWidth方法的具体用法？C++ BitMap::GetWidth怎么用？C++ BitMap::GetWidth使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BitMap的用法示例。
在下文中一共展示了BitMap::GetWidth方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc, const char * argv[])
{
/* This code tests your bitmap implementation on 24-bit and 32-bit files. The desired output
* files are included for comparison purposes.
*/
/** Test #1: Create a new file with a gradient from yellow to green to cyan (bottom to top) */
//parameterized constructor
BitMap *bm = new BitMap(255, 255);
//bm->Load("picture.bmp");
for (int x = 0; x < 255; x++)
{
for (int y = 0; y < 255; y++)
{
//std::cout << "x: " << x << "y: " << y << std::endl;
bm->SetPixel(bm, x, y, 255-y, 255, y, 255);
}
}
/** copy constructor*/
BitMap *a = new BitMap(*bm);
/** assignment Operator*/
*a = *a;
std::cout << "Get Height function: " << a->GetHeight() << "\n";
std::cout << "Get Width function: " << a->GetWidth() << "\n";
/** Destructor*/
bm->~BitMap();
/*std::cout << "processing test.bmp\n";
bm->Save(bm, "test.bmp");*/
///* test #2: a 24-bit file with reversed height; add a 40x40 red square in the lower right corner */
//std::cout << "processing picture.bmp\n";
//bm = bm->Load("picture.bmp");
//if (bm == 0)
//{
// std::cout << "load of 'picture.bmp' failed\n";
//}
//else {
// for (int x = 0; x < 40; x++)
// {
// for (int y = 0; y < 40; y++)
// {
// bm->SetPixel(bm, (bm->GetWidth())-x-1, y, 255, 0, 0, 255);
// }
// }
// bm->Save(bm, "picture new.bmp");
// free(bm);
//}
///** test #3: a 24-bit file; add a 40x40 blue square in the upper right corner */
//std::cout << "processing train.bmp\n";
//bm = bm->Load("train.bmp");
//if (bm == 0)
//{
// std::cout << "load of 'train.bmp' failed\n";
//}
//else {
// for (int x = 0; x < 40; x++)
// {
// for (int y = 0; y < 40; y++)
// {
// bm->SetPixel(bm, bm->GetWidth()-x-1, bm->GetHeight()-y-1, 0, 0, 255, 255);
// }
// }
// bm->Save(bm, "train new.bmp");
// free(bm);
//}
///** test #4: a 24-bit file with padding; add a 40x40 blue square in the upper right corner */
//std::cout << "processing mountain.bmp\n";
//bm = bm->Load("mountain.bmp");
//if (bm == 0)
//{
// std::cout << "load of 'mountain.bmp' failed\n";
//}
//else {
// // convert to grayscale
// for (int x = 0; x < bm->GetWidth(); x++)
// {
// for (int y = 0; y < bm->GetHeight(); y++)
// {
// uint8_t r, g, b, a;
// bm->GetPixel(bm, x, y, r, g, b, a);
// uint8_t average = (r+g+b)/3;
// bm->SetPixel(bm, x, y, average, average, average, a);
// }
// }
// bm->Save(bm, "mountain new.bmp");
// free(bm);
//}
///** test #4: a 32-bit file with reversed height; extract the green channel */
//std::cout << "processing canmore.bmp\n";
//bm = bm->Load("canmore.bmp");
//if (bm == 0)
//{
// std::cout << "load of 'canmore.bmp' failed\n";
//}
//.........这里部分代码省略.........