diff options
Diffstat (limited to 'examples/pdf-create.cc')
| -rw-r--r-- | examples/pdf-create.cc | 62 |
1 files changed, 29 insertions, 33 deletions
diff --git a/examples/pdf-create.cc b/examples/pdf-create.cc index c793b5f8..136643d1 100644 --- a/examples/pdf-create.cc +++ b/examples/pdf-create.cc @@ -31,47 +31,43 @@ class ImageProvider: public QPDFObjectHandle::StreamDataProvider size_t getHeight() const; private: - size_t width; - size_t stripe_height; + size_t width{400}; + size_t stripe_height{80}; std::string color_space; std::string filter; - size_t n_stripes; + size_t n_stripes{6}; std::vector<std::string> stripes; - J_COLOR_SPACE j_color_space; + J_COLOR_SPACE j_color_space{JCS_UNKNOWN}; }; ImageProvider::ImageProvider(std::string const& color_space, std::string const& filter) : - width(400), - stripe_height(80), color_space(color_space), - filter(filter), - n_stripes(6), - j_color_space(JCS_UNKNOWN) + filter(filter) { if (color_space == "/DeviceCMYK") { j_color_space = JCS_CMYK; - stripes.push_back(std::string("\xff\x00\x00\x00", 4)); - stripes.push_back(std::string("\x00\xff\x00\x00", 4)); - stripes.push_back(std::string("\x00\x00\xff\x00", 4)); - stripes.push_back(std::string("\xff\x00\xff\x00", 4)); - stripes.push_back(std::string("\xff\xff\x00\x00", 4)); - stripes.push_back(std::string("\x00\x00\x00\xff", 4)); + stripes.emplace_back("\xff\x00\x00\x00", 4); + stripes.emplace_back("\x00\xff\x00\x00", 4); + stripes.emplace_back("\x00\x00\xff\x00", 4); + stripes.emplace_back("\xff\x00\xff\x00", 4); + stripes.emplace_back("\xff\xff\x00\x00", 4); + stripes.emplace_back("\x00\x00\x00\xff", 4); } else if (color_space == "/DeviceRGB") { j_color_space = JCS_RGB; - stripes.push_back(std::string("\xff\x00\x00", 3)); - stripes.push_back(std::string("\x00\xff\x00", 3)); - stripes.push_back(std::string("\x00\x00\xff", 3)); - stripes.push_back(std::string("\xff\x00\xff", 3)); - stripes.push_back(std::string("\xff\xff\x00", 3)); - stripes.push_back(std::string("\x00\x00\x00", 3)); + stripes.emplace_back("\xff\x00\x00", 3); + stripes.emplace_back("\x00\xff\x00", 3); + stripes.emplace_back("\x00\x00\xff", 3); + stripes.emplace_back("\xff\x00\xff", 3); + stripes.emplace_back("\xff\xff\x00", 3); + stripes.emplace_back("\x00\x00\x00", 3); } else if (color_space == "/DeviceGray") { j_color_space = JCS_GRAYSCALE; - stripes.push_back(std::string("\xee", 1)); - stripes.push_back(std::string("\xcc", 1)); - stripes.push_back(std::string("\x99", 1)); - stripes.push_back(std::string("\x66", 1)); - stripes.push_back(std::string("\x33", 1)); - stripes.push_back(std::string("\x00", 1)); + stripes.emplace_back("\xee", 1); + stripes.emplace_back("\xcc", 1); + stripes.emplace_back("\x99", 1); + stripes.emplace_back("\x66", 1); + stripes.emplace_back("\x33", 1); + stripes.emplace_back("\x00", 1); } } @@ -335,13 +331,13 @@ create_pdf(char const* filename) ">>"_qpdf); std::vector<std::string> color_spaces; - color_spaces.push_back("/DeviceCMYK"); - color_spaces.push_back("/DeviceRGB"); - color_spaces.push_back("/DeviceGray"); + color_spaces.emplace_back("/DeviceCMYK"); + color_spaces.emplace_back("/DeviceRGB"); + color_spaces.emplace_back("/DeviceGray"); std::vector<std::string> filters; - filters.push_back("null"); - filters.push_back("/DCTDecode"); - filters.push_back("/RunLengthDecode"); + filters.emplace_back("null"); + filters.emplace_back("/DCTDecode"); + filters.emplace_back("/RunLengthDecode"); QPDFPageDocumentHelper dh(pdf); for (auto const& color_space: color_spaces) { for (auto const& filter: filters) { |