Inheritance diagram for image_pattern_text:

Collaboration diagram for image_pattern_text:

Public Member Functions
	image_pattern_text (const string &config)

Public Member Functions inherited from image_pattern
	image_pattern ()=default

	image_pattern (const image_pattern &)=delete

	image_pattern (image_pattern &&)=delete

virtual	~image_pattern ()=default

auto	init (int width, int height, enum generator_depth depth) noexcept

image_pattern &	operator= (const image_pattern &)=delete

image_pattern &&	operator= (image_pattern &&)=delete

Private Member Functions
enum generator_depth	fill (int width, int height, unsigned char *data) override

Private Attributes
uint32_t	bg = 0xFFCC00CCU

uint32_t	fg = 0xFFFFFFFFU

string	text = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{\|}~"

Additional Inherited Members
Static Public Member Functions inherited from image_pattern
static unique_ptr< image_pattern >	create (string const &pattern, string const &params)

Detailed Description

Definition at line 526 of file video_pattern_generator.cpp.

Constructor & Destructor Documentation

◆ image_pattern_text()

image_pattern_text::image_pattern_text ( const string & config )

inlineexplicit

Definition at line 528 of file video_pattern_generator.cpp.

                                                                   {
                        if (config == "help"s) {
                                col() << "Testcard text usage:\n\t" << SBOLD(SRED("-t testcard:pattern=text") << "[=pattern][,bg=0x<AABBGGRR<][,fg=0x<AABBGGRR>]") << "\n";
                                throw 1;
                        }
                        if (!config.empty()) {
                                string_view sv = config;
                                bool text_set = false;
                                while (!sv.empty()) {
                                        auto tok = tokenize(sv, ',');
                                        if (tok.substr(0,3) == "bg=") {
                                                bg = stol((string) tok.substr(3), nullptr, 0);
                                        } else if (tok.substr(0,3) == "fg=") {
                                                fg = stol((string) tok.substr(3), nullptr, 0);
                                        } else if (!text_set) {
                                                text = tok;
                                                text_set = true;
                                        } else {
                                                throw ug_runtime_error("Testcard text - wrong option: " + string(tok));
                                        }
                                }
                        }
                }

References bg, fg, SBOLD, SRED, text, and tokenize().

Here is the call graph for this function:

Member Function Documentation

◆ fill()

enum generator_depth image_pattern_text::fill	(	int	width,
		int	height,
		unsigned char *	data )

inlineoverrideprivatevirtual

Return values

bit	depth used by the generator (either 8 or 16)

Implements image_pattern.

Definition at line 553 of file video_pattern_generator.cpp.

                                                                                               {
                        std::fill((uint32_t *)(void *) data, (uint32_t *)(void *) (data + width * height * 4), bg);
                        string line;
                        for (int i = 0; i < width; i += 8 * (text.size() + 1)) {
                                line += " " + text;
                        }
                        for (int i = 0; i < height / 16; ++i) {
                                draw_line((char *) data + (i * 16 * width * 4), width * 4, line.c_str(), fg, false);
                        }
                        return generator_depth::bits8;
                }