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Image pattern generator: simplified a bit

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This commit is contained in:
Martin Pulec
2021-11-12 09:54:46 +01:00
parent e2bedca34d
commit 81bb2d7397
1 changed files with 13 additions and 10 deletions
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23
src/utils/video_pattern_generator.cpp
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@@ -349,6 +349,12 @@ unique_ptr<image_pattern> image_pattern::create(string const &config) {
cout << "\t\t- pattern 'smpte' uses the top bars from top 2 thirds only (doesn't render bottom third differently)\n";
return {};
}
string pattern = config;
string params;
if (string::size_type delim = config.find('='); delim != string::npos) {
pattern = config.substr(0, delim);
params = config.substr(delim + 1);
}
if (config == "bars") {
return make_unique<image_pattern_bars>();
}
@@ -358,23 +364,20 @@ unique_ptr<image_pattern> image_pattern::create(string const &config) {
if (config == "ebu_bars") {
return make_unique<image_pattern_ebu_smpte_bars<0xFFU, 8>>();
}
if (config.substr(0, "gradient2"s.length()) == "gradient2") {
if (config.substr(0, "gradient2="s.length()) == "gradient2=") {
auto val = config.substr("gradient2="s.length());
if (val == "help"s) {
if (pattern == "gradient2") {
if (!params.empty()) {
if (params == "help"s) {
cout << "Testcard gradient2 usage:\n\t-t testcard:gradient2[=maxval] - maxval is 16-bit resolution\n";
return {};
}
return make_unique<image_pattern_gradient2>(stol(val, nullptr, 0));
return make_unique<image_pattern_gradient2>(stol(params, nullptr, 0));
}
return make_unique<image_pattern_gradient2>();
}
if (config.substr(0, "gradient"s.length()) == "gradient") {
assert (config.substr(0, "gradient2"s.length()) == "gradient2");
if (pattern == "gradient") {
uint32_t color = image_pattern_gradient::red;
if (config.substr(0, "gradient="s.length()) == "gradient=") {
auto val = config.substr("gradient="s.length());
color = stol(val, nullptr, 0);
if (!params.empty()) {
color = stol(params, nullptr, 0);
}
return make_unique<image_pattern_gradient>(color);
}