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With -r, print both palettes if -c and -p mismatch

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This commit is contained in:
ISSOtm
2024-07-26 22:46:46 +02:00
committed by Sylvie
parent 3d1f5386c2
commit dae4219acd
1 changed files with 38 additions and 2 deletions
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40
src/gfx/reverse.cpp
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@@ -65,16 +65,36 @@ static void pngWarning(png_structp png, char const *msg) {
);
}
void writePng(png_structp png, png_bytep data, size_t length) {
static void writePng(png_structp png, png_bytep data, size_t length) {
auto &pngFile = *static_cast<File *>(png_get_io_ptr(png));
pngFile->sputn(reinterpret_cast<char *>(data), length);
}
void flushPng(png_structp png) {
static void flushPng(png_structp png) {
auto &pngFile = *static_cast<File *>(png_get_io_ptr(png));
pngFile->pubsync();
}
static void printColor(std::optional<Rgba> const &color) {
if (color) {
fprintf(stderr, "#%08x", color->toCSS());
} else {
fputs("<none> ", stderr);
}
}
static void printPalette(std::array<std::optional<Rgba>, 4> const &palette) {
putc('[', stderr);
printColor(palette[0]);
fputs(", ", stderr);
printColor(palette[1]);
fputs(", ", stderr);
printColor(palette[2]);
fputs(", ", stderr);
printColor(palette[3]);
putc(']', stderr);
}
void reverse() {
options.verbosePrint(Options::VERB_CFG, "Using libpng %s\n", png_get_libpng_ver(nullptr));
@@ -199,6 +219,22 @@ void reverse() {
if (options.palSpecType == Options::EXPLICIT && palettes != options.palSpec) {
warning("Colors in the palette file do not match those specified with `-c`!");
// [#111111ff, #222222ff, #333333ff, #444444ff] [#111111ff, #222222ff, #333333ff, #444444ff]
fputs("Colors specified in the palette file: ...versus with `-c`:\n", stderr);
for (size_t i = 0;
i < palettes.size() && i < options.palSpec.size();
++i) {
if (i < palettes.size()) {
printPalette(palettes[i]);
} else {
fputs(" ", stderr);
}
if (i < options.palSpec.size()) {
fputs(" ", stderr);
printPalette(options.palSpec[i]);
}
putc('\n', stderr);
}
}
} else if (options.palSpecType == Options::EMBEDDED) {
warning("An embedded palette was requested, but no palette file was specified; ignoring "