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Allow rgbgfx - for stdin and stdout

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Closes #1087
This commit is contained in:
ISSOtm
2022-11-12 11:45:19 +01:00
committed by Eldred Habert
parent 62b4f2b264
commit 6902387991
8 changed files with 165 additions and 46 deletions
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19
src/gfx/reverse.cpp
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@@ -21,13 +21,14 @@
#include <vector>
#include "defaultinitalloc.hpp"
#include "file.hpp"
#include "helpers.h"
#include "itertools.hpp"
#include "gfx/main.hpp"
static DefaultInitVec<uint8_t> readInto(std::string path) {
std::filebuf file;
File file;
if (!file.open(path, std::ios::in | std::ios::binary)) {
fatal("Failed to open \"%s\": %s", path.c_str(), strerror(errno));
}
@@ -40,7 +41,7 @@ static DefaultInitVec<uint8_t> readInto(std::string path) {
// Fill the new area ([oldSize; curSize[) with bytes
size_t nbRead =
file.sgetn(reinterpret_cast<char *>(&data.data()[oldSize]), curSize - oldSize);
file->sgetn(reinterpret_cast<char *>(&data.data()[oldSize]), curSize - oldSize);
if (nbRead != curSize - oldSize) {
// Shrink the vector to discard bytes that weren't read
data.resize(oldSize + nbRead);
@@ -68,13 +69,13 @@ static void pngWarning(png_structp png, char const *msg) {
}
void writePng(png_structp png, png_bytep data, size_t length) {
auto &pngFile = *static_cast<std::filebuf *>(png_get_io_ptr(png));
pngFile.sputn(reinterpret_cast<char *>(data), length);
auto &pngFile = *static_cast<File *>(png_get_io_ptr(png));
pngFile->sputn(reinterpret_cast<char *>(data), length);
}
void flushPng(png_structp png) {
auto &pngFile = *static_cast<std::filebuf *>(png_get_io_ptr(png));
pngFile.pubsync();
auto &pngFile = *static_cast<File *>(png_get_io_ptr(png));
pngFile->pubsync();
}
void reverse() {
@@ -146,7 +147,7 @@ void reverse() {
{Rgba(0xffffffff), Rgba(0xaaaaaaff), Rgba(0x555555ff), Rgba(0x000000ff)}
};
if (!options.palettes.empty()) {
std::filebuf file;
File file;
if (!file.open(options.palettes, std::ios::in | std::ios::binary)) {
fatal("Failed to open \"%s\": %s", options.palettes.c_str(), strerror(errno));
}
@@ -155,7 +156,7 @@ void reverse() {
std::array<uint8_t, sizeof(uint16_t) * 4> buf; // 4 colors
size_t nbRead;
do {
nbRead = file.sgetn(reinterpret_cast<char *>(buf.data()), buf.size());
nbRead = file->sgetn(reinterpret_cast<char *>(buf.data()), buf.size());
if (nbRead == buf.size()) {
// Expand the colors
auto &palette = palettes.emplace_back();
@@ -233,7 +234,7 @@ void reverse() {
}
options.verbosePrint(Options::VERB_LOG_ACT, "Writing image...\n");
std::filebuf pngFile;
File pngFile;
if (!pngFile.open(options.input, std::ios::out | std::ios::binary)) {
fatal("Failed to create \"%s\": %s", options.input.c_str(), strerror(errno));
}