//static
//------------------------------------------------------------------------
BITMAPINFO* pixel_map::create_bitmap_info(unsigned width,
unsigned height,
unsigned bits_per_pixel)
{
unsigned line_len = calc_row_len(width, bits_per_pixel);
unsigned img_size = line_len * height;
unsigned rgb_size = calc_palette_size(0, bits_per_pixel) * sizeof(RGBQUAD);
unsigned full_size = sizeof(BITMAPINFOHEADER) + rgb_size + img_size;
BITMAPINFO *bmp = (BITMAPINFO *) new unsigned char[full_size];
bmp->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmp->bmiHeader.biWidth = width;
bmp->bmiHeader.biHeight = height;
bmp->bmiHeader.biPlanes = 1;
bmp->bmiHeader.biBitCount = (unsigned short)bits_per_pixel;
bmp->bmiHeader.biCompression = 0;
bmp->bmiHeader.biSizeImage = img_size;
bmp->bmiHeader.biXPelsPerMeter = 0;
bmp->bmiHeader.biYPelsPerMeter = 0;
bmp->bmiHeader.biClrUsed = 0;
bmp->bmiHeader.biClrImportant = 0;
return bmp;
}
//static
//------------------------------------------------------------------------
unsigned pixel_map::calc_full_size(BITMAPINFO *bmp)
{
if(bmp == 0) return 0;
return sizeof(BITMAPINFOHEADER) +
sizeof(RGBQUAD) * calc_palette_size(bmp) +
bmp->bmiHeader.biSizeImage;
}
unsigned dib_display::calc_palette_size(BITMAPINFO *bmp)
{
if (bmp == 0)
{
return 0;
} else {
return calc_palette_size(bmp->bmiHeader.biClrUsed, bmp->bmiHeader.biBitCount);
}
}
unsigned dib_display::calc_header_size(BITMAPINFO *bmp)
{
if (bmp == NULL)
{
return 0;
} else {
return sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * calc_palette_size(bmp);
}
}
BImage* dib_display::create_image(const rendering_buffer* rbuf,
unsigned bits_per_pixel)
{
DEBUG_MTH("dib_display::create_image");
unsigned width = rbuf->width();
unsigned height = rbuf->height();
unsigned line_len = platform_specific::calc_row_len(width, bits_per_pixel);
unsigned img_size = line_len * height;
unsigned rgb_size = calc_palette_size(0, bits_per_pixel) * sizeof(RGBQUAD);
unsigned full_size = sizeof(BITMAPINFOHEADER) + rgb_size;// + img_size;
BITMAPINFO *bmp = (BITMAPINFO *) new unsigned char[full_size];
bmp->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmp->bmiHeader.biWidth = width;
bmp->bmiHeader.biHeight = -height;
bmp->bmiHeader.biPlanes = 1;
bmp->bmiHeader.biBitCount = (unsigned short)bits_per_pixel;
bmp->bmiHeader.biCompression = 0;
bmp->bmiHeader.biSizeImage = img_size;
bmp->bmiHeader.biXPelsPerMeter = 0;
bmp->bmiHeader.biYPelsPerMeter = 0;
bmp->bmiHeader.biClrUsed = 0;
bmp->bmiHeader.biClrImportant = 0;
RGBQUAD *rgb = (RGBQUAD*)(((unsigned char*)bmp) + sizeof(BITMAPINFOHEADER));
unsigned brightness;
unsigned i;
for(i = 0; i < rgb_size; i++)
{
brightness = (255 * i) / (rgb_size - 1);
rgb->rgbBlue =
rgb->rgbGreen =
rgb->rgbRed = (unsigned char)brightness;
rgb->rgbReserved = 0;
rgb++;
}
BImage* image = new BImage;
image->bmp = bmp;
image->data = (unsigned char*)rbuf->buf();
return image;
}
//static
//------------------------------------------------------------------------
void pixel_map::create_gray_scale_palette(BITMAPINFO *bmp)
{
if(bmp == 0) return;
unsigned rgb_size = calc_palette_size(bmp);
RGBQUAD *rgb = (RGBQUAD*)(((unsigned char*)bmp) + sizeof(BITMAPINFOHEADER));
unsigned brightness;
unsigned i;
for(i = 0; i < rgb_size; i++)
{
brightness = (255 * i) / (rgb_size - 1);
rgb->rgbBlue =
rgb->rgbGreen =
rgb->rgbRed = (unsigned char)brightness;
rgb->rgbReserved = 0;
rgb++;
}
}
//private
//------------------------------------------------------------------------
HBITMAP pixel_map::create_dib_section_from_args(HDC h_dc,
unsigned width,
unsigned height,
unsigned bits_per_pixel)
{
unsigned line_len = calc_row_len(width, bits_per_pixel);
unsigned img_size = line_len * height;
unsigned rgb_size = calc_palette_size(0, bits_per_pixel) * sizeof(RGBQUAD);
unsigned full_size = sizeof(BITMAPINFOHEADER) + rgb_size;
BITMAPINFO *bmp = (BITMAPINFO *) new unsigned char[full_size];
bmp->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmp->bmiHeader.biWidth = width;
bmp->bmiHeader.biHeight = height;
bmp->bmiHeader.biPlanes = 1;
bmp->bmiHeader.biBitCount = (unsigned short)bits_per_pixel;
bmp->bmiHeader.biCompression = 0;
bmp->bmiHeader.biSizeImage = img_size;
bmp->bmiHeader.biXPelsPerMeter = 0;
bmp->bmiHeader.biYPelsPerMeter = 0;
bmp->bmiHeader.biClrUsed = 0;
bmp->bmiHeader.biClrImportant = 0;
void* img_ptr = 0;
HBITMAP h_bitmap = ::CreateDIBSection(h_dc, bmp, DIB_RGB_COLORS, &img_ptr, NULL, 0);
if(img_ptr)
{
m_img_size = calc_row_len(width, bits_per_pixel) * height;
m_full_size = 0;
m_bmp = bmp;
m_buf = (unsigned char *) img_ptr;
}
return h_bitmap;
}
//static
//------------------------------------------------------------------------
unsigned pixel_map::calc_palette_size(BITMAPINFO *bmp)
{
if(bmp == 0) return 0;
return calc_palette_size(bmp->bmiHeader.biClrUsed, bmp->bmiHeader.biBitCount);
}
//static
//------------------------------------------------------------------------
unsigned pixel_map::calc_header_size(BITMAPINFO *bmp)
{
if(bmp == 0) return 0;
return sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * calc_palette_size(bmp);
}
void Win32Window::drawImageGray(unsigned char *buffer, int width, int height, int x, int y)
{
//TODO
//create buffer
unsigned char *tmpBuf = malloc(width * height);
for (int i = 0; i < ; ++i)
{
}
//create paired BITMAP
{
unsigned line_len = calc_row_len(width, bits_per_pixel);
unsigned img_size = line_len * height;
unsigned rgb_size = calc_palette_size(0, bits_per_pixel) * sizeof(RGBQUAD);
unsigned full_size = sizeof(BITMAPINFOHEADER) + rgb_size + img_size;
BITMAPINFO *bmp = (BITMAPINFO *) new unsigned char[full_size];
bmp->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmp->bmiHeader.biWidth = width;
bmp->bmiHeader.biHeight = height;
bmp->bmiHeader.biPlanes = 1;
bmp->bmiHeader.biBitCount = (unsigned short)bits_per_pixel;
bmp->bmiHeader.biCompression = 0;
bmp->bmiHeader.biSizeImage = img_size;
bmp->bmiHeader.biXPelsPerMeter = 0;
bmp->bmiHeader.biYPelsPerMeter = 0;
bmp->bmiHeader.biClrUsed = 0;
bmp->bmiHeader.biClrImportant = 0;
}
{
m_img_size = calc_row_len(bmp->bmiHeader.biWidth,
bmp->bmiHeader.biBitCount) *
bmp->bmiHeader.biHeight;
m_full_size = calc_full_size(bmp);
m_bmp = bmp;
m_buf = calc_img_ptr(bmp);
}
::SetDIBitsToDevice(
hDc, // handle to device context
dvc_x, // x-coordinate of upper-left corner of
dvc_y, // y-coordinate of upper-left corner of
dvc_width, // source rectangle width
dvc_height, // source rectangle height
bmp_x, // x-coordinate of lower-left corner of
bmp_y, // y-coordinate of lower-left corner of
0, // first scan line in array
bmp_height, // number of scan lines
m_buf, // address of array with DIB bits
m_bmp, // address of structure BITMAPINFO
DIB_RGB_COLORS // RGB or palette indexes
);
free tmpBuf;
}