void FormatSettingsPopup::buildPropertyCheckBox(int index, TPropertyGroup *props)
{
TBoolProperty *prop = (TBoolProperty *)(props->getProperty(index));
assert(prop);
PropertyCheckBox *v = new PropertyCheckBox(tr(prop->getName().c_str()), this, prop);
m_widgets[prop->getName()] = v;
m_mainLayout->addWidget(v, m_mainLayout->rowCount(), 1);
v->setChecked(prop->getValue());
}
void PngWriter::open(FILE *file, const TImageInfo &info)
{
m_info = info;
m_png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
(png_voidp)0, //user_error_ptr,
0, //user_error_fn,
0); //user_warning_fn);
if (!m_png_ptr)
return;
m_info_ptr = png_create_info_struct(m_png_ptr);
if (!m_info_ptr) {
png_destroy_write_struct(&m_png_ptr, (png_infopp)0);
return;
}
m_chan = file;
png_init_io(m_png_ptr, m_chan);
if (!m_properties)
m_properties = new Tiio::PngWriterProperties();
TBoolProperty *alphaProp = (TBoolProperty *)(m_properties->getProperty("Alpha Channel"));
TPointerProperty *colormap = (TPointerProperty *)(m_properties->getProperty("Colormap"));
m_matte = (alphaProp && alphaProp->getValue()) ? true : false;
if (colormap)
m_colormap = (vector<TPixel> *)colormap->getValue();
TUINT32 x_pixels_per_meter = tround(m_info.m_dpix / 0.0254);
TUINT32 y_pixels_per_meter = tround(m_info.m_dpiy / 0.0254);
if (!m_colormap)
png_set_IHDR(m_png_ptr, m_info_ptr,
m_info.m_lx, m_info.m_ly,
info.m_bitsPerSample, m_matte ? PNG_COLOR_TYPE_RGB_ALPHA : PNG_COLOR_TYPE_RGB,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
else {
png_set_IHDR(m_png_ptr, m_info_ptr,
m_info.m_lx, m_info.m_ly,
8, PNG_COLOR_TYPE_PALETTE,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
for (unsigned int i = 0; i < m_colormap->size(); i++) {
/*unsigned char red = (i>>5)&0x7;
unsigned char green = (i>>2)&0x7;
unsigned char blue = i&0x3;
palette[i].red = (red>>1) | (red<<2) | (red<<5);
palette[i].green = (green>>1) | (green<<2) | (green<<5);
palette[i].blue = blue | (blue<<2) | (blue<<4) | (blue<<6);
if (red==0 && green==0) alpha[i] = 0; else if (blue==0 && green==0) alpha[i] = 128; else alpha[i] = 255;*/
palette[i].red = (*m_colormap)[i].r;
palette[i].green = (*m_colormap)[i].g;
palette[i].blue = (*m_colormap)[i].b;
}
png_set_PLTE(m_png_ptr, m_info_ptr, palette, m_colormap->size());
}
//png_set_dither(m_png_ptr, palette, 256, 256, 0, 1);
#if defined(TNZ_MACHINE_CHANNEL_ORDER_MBGR)
png_set_bgr(m_png_ptr);
png_set_swap_alpha(m_png_ptr);
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_BGRM)
png_set_bgr(m_png_ptr);
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_MRGB)
png_set_swap_alpha(m_png_ptr);
#elif !defined(TNZ_MACHINE_CHANNEL_ORDER_RGBM)
#error "unknownchannel order"
#endif
png_write_info(m_png_ptr, m_info_ptr);
png_set_pHYs(m_png_ptr, m_info_ptr, x_pixels_per_meter, y_pixels_per_meter, 1);
if (m_colormap && m_matte) {
alpha[0] = 0;
//png_set_tRNS(m_png_ptr, m_info_ptr, alpha, 1, PNG_COLOR_TYPE_PALETTE);
png_color_16 bgcolor;
bgcolor.index = 0;
png_set_tRNS(m_png_ptr, m_info_ptr, alpha, 1, &bgcolor);
}
}
