Syping/libragephoto
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memory fixes, GTK example added

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This commit is contained in:
Syping 2021-08-27 05:33:20 +02:00
parent c9b33b324d
commit e1bdccfb0d
7 changed files with 286 additions and 5 deletions

9
CMakeLists.txt
View file

@ -7,7 +7,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
message("-- Testing codecvt")
try_run(CODECVT_RUN CODECVT_COMPILE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/tests/CodecvtTest.cpp)
if (CODECVT_COMPILE)
if (CODECVT_COMPILE AND CODECVT_RUN EQUAL 0)
list(APPEND LIBRAGEPHOTO_DEFINES
CODECVT_COMPATIBLE
)
@ -18,7 +18,7 @@ endif()
message("-- Testing iconv")
try_run(ICONV_RUN ICONV_COMPILE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/tests/IconvTest.cpp)
if (ICONV_COMPILE)
if (ICONV_COMPILE AND ICONV_RUN EQUAL 0)
list(APPEND LIBRAGEPHOTO_DEFINES
ICONV_COMPATIBLE
)
@ -60,6 +60,11 @@ target_compile_definitions(ragephoto PRIVATE
install(TARGETS ragephoto DESTINATION lib)
install(FILES ${RAGEPHOTO_HEADERS} DESTINATION include)
option(WITH_EXAMPLES "Build ragephoto examples" OFF)
if (WITH_EXAMPLES)
add_subdirectory(examples/ragephoto-gtkviewer)
endif()
option(WITH_EXTRACT "Build ragephoto-extract" ON)
if (WITH_EXTRACT)
project(ragephoto-extract LANGUAGES CXX)

30
examples/ragephoto-gtkviewer/CMakeLists.txt Normal file
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@ -0,0 +1,30 @@
cmake_minimum_required(VERSION 3.7)
enable_language(CXX)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
find_package(PkgConfig REQUIRED)
pkg_check_modules(gtkmm REQUIRED gtkmm-3.0)
project(ragephoto-gtkviewer LANGUAGES CXX)
set(GTKVIEWER_HEADERS
src/PhotoViewer.h
)
set(GTKVIEWER_SOURCES
src/main.cpp
src/PhotoViewer.cpp
)
if(TARGET ragephoto)
set(RAGEPHOTO_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/src)
add_executable(ragephoto-gtkviewer ${GTKVIEWER_HEADERS} ${GTKVIEWER_SOURCES})
target_link_libraries(ragephoto-gtkviewer ${gtkmm_LIBRARIES} ragephoto)
target_link_directories(ragephoto-gtkviewer PRIVATE ${gtkmm_LIBRARY_DIRS})
target_include_directories(ragephoto-gtkviewer PRIVATE ${gtkmm_INCLUDE_DIRS} ${RAGEPHOTO_INCLUDE_DIRS})
else()
message("ragephoto-gtkviewer need to be build with libragephoto together")
endif()

102
examples/ragephoto-gtkviewer/src/PhotoViewer.cpp Normal file
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@ -0,0 +1,102 @@
/*****************************************************************************
* libragephoto RAGE Photo Parser
* Copyright (C) 2021 Syping
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* This software is provided as-is, no warranties are given to you, we are not
* responsible for anything with use of the software, you are self responsible.
*****************************************************************************/
#include "PhotoViewer.h"
#include <cairomm/context.h>
#include <gdkmm/general.h>
#include <RagePhoto.h>
#include <iostream>
PhotoViewer::PhotoViewer(Gtk::Label *title_label, Gtk::Label *json_label) : p_title_label(title_label), p_json_label(json_label)
{
}
void PhotoViewer::open_file(const char *filename)
{
RagePhoto ragePhoto;
// Read file
FILE *file = fopen(filename, "rb");
if (!file) {
return;
}
const int fseek_end_value = fseek(file, 0, SEEK_END);
if (fseek_end_value == -1) {
fclose(file);
return;
}
const size_t file_size = ftell(file);
if (file_size == -1) {
fclose(file);
return;
}
const int fseek_set_value = fseek(file, 0, SEEK_SET);
if (fseek_set_value == -1) {
fclose(file);
return;
}
char *data = static_cast<char*>(malloc(file_size));
const size_t file_rsize = fread(data, 1, file_size, file);
if (file_size != file_rsize) {
fclose(file);
return;
}
fclose(file);
const bool loaded = ragePhoto.load(data, file_size);
free(data);
if (!loaded) {
const RagePhoto::Error error = ragePhoto.error();
if (error <= RagePhoto::Error::PhotoReadError)
return;
}
guchar *photoData = static_cast<guchar*>(malloc(ragePhoto.photoSize()));
if (!photoData)
return;
memcpy(photoData, ragePhoto.photoData(), ragePhoto.photoSize());
GdkPixbufLoader *loader = gdk_pixbuf_loader_new();
gdk_pixbuf_loader_write(loader, photoData, static_cast<gsize>(ragePhoto.photoSize()), nullptr);
GdkPixbuf *c_pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
p_image = Glib::wrap(c_pixbuf);
p_title_label->set_text("Title: " + ragePhoto.title());
// p_title_label->show();
get_parent_window()->set_title("RagePhoto GTK Photo Viewer - " + ragePhoto.title());
free(photoData);
if (p_image)
set_size_request(p_image->get_width(), p_image->get_height());
}
bool PhotoViewer::on_draw(const Cairo::RefPtr<Cairo::Context>& cr)
{
if (!p_image)
return false;
Gtk::Allocation allocation = get_allocation();
const int width = allocation.get_width();
const int height = allocation.get_height();
Gdk::Cairo::set_source_pixbuf(cr, p_image, (width - p_image->get_width()) / 2, (height - p_image->get_height()) / 2);
cr->paint();
return true;
}

39
examples/ragephoto-gtkviewer/src/PhotoViewer.h Normal file
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@ -0,0 +1,39 @@
/*****************************************************************************
* libragephoto RAGE Photo Parser
* Copyright (C) 2021 Syping
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* This software is provided as-is, no warranties are given to you, we are not
* responsible for anything with use of the software, you are self responsible.
*****************************************************************************/
#ifndef PHOTOVIEWER_H
#define PHOTOVIEWER_H
#include <gtkmm/drawingarea.h>
#include <gtkmm/label.h>
#include <gdkmm/pixbuf.h>
class PhotoViewer : public Gtk::DrawingArea
{
public:
PhotoViewer(Gtk::Label *title_label, Gtk::Label *json_label);
void open_file(const char *filename);
protected:
bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr) override;
Glib::RefPtr<Gdk::Pixbuf> p_image;
Gtk::Label *p_title_label;
Gtk::Label *p_json_label;
};
#endif // PHOTOVIEWER_H

105
examples/ragephoto-gtkviewer/src/main.cpp Normal file
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@ -0,0 +1,105 @@
/*****************************************************************************
* libragephoto RAGE Photo Parser
* Copyright (C) 2021 Syping
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* This software is provided as-is, no warranties are given to you, we are not
* responsible for anything with use of the software, you are self responsible.
*****************************************************************************/
#include "PhotoViewer.h"
#include <gtkmm/application.h>
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <gtkmm/filechooserdialog.h>
#include <gtkmm/filefilter.h>
#include <gtkmm/label.h>
#include <gtkmm/window.h>
#include <iostream>
int main(int argc, char *argv[])
{
auto app = Gtk::Application::create(argc, argv, "de.syping.ragephoto.gtkviewer", Gio::APPLICATION_HANDLES_OPEN);
Gtk::Window win;
win.set_title("RagePhoto GTK Photo Viewer");
win.set_default_size(400, 0);
win.set_resizable(false);
Gtk::Box vertical_box(Gtk::ORIENTATION_VERTICAL);
Gtk::Label title_label;
Gtk::Label json_label;
PhotoViewer photo_viewer(&title_label, &json_label);
vertical_box.add(photo_viewer);
vertical_box.add(title_label);
vertical_box.add(json_label);
photo_viewer.show();
Gtk::Box horizontal_box(Gtk::ORIENTATION_HORIZONTAL);
vertical_box.add(horizontal_box);
Gtk::Button open_button;
open_button.set_label("Open");
open_button.set_hexpand(true);
open_button.set_can_default(false);
open_button.signal_clicked().connect([&](){
Gtk::FileChooserDialog dialog("Open Photo", Gtk::FILE_CHOOSER_ACTION_OPEN);
dialog.set_transient_for(win);
dialog.add_button("_Cancel", Gtk::RESPONSE_CANCEL);
dialog.add_button("_Open", Gtk::RESPONSE_OK);
Glib::RefPtr<Gtk::FileFilter> filter_photo = Gtk::FileFilter::create();
filter_photo->set_name("GTA V Photo");
filter_photo->add_pattern("PGTA5*");
int result = dialog.run();
switch(result) {
case Gtk::RESPONSE_OK: {
std::string filename = dialog.get_filename();
photo_viewer.open_file(filename.c_str());
break;
}
default:
break;
}
});
horizontal_box.add(open_button);
open_button.show();
Gtk::Button close_button;
close_button.set_label("Close");
close_button.set_hexpand(true);
close_button.set_can_default(false);
close_button.signal_clicked().connect([&](){
win.close();
});
horizontal_box.add(close_button);
close_button.show();
app->signal_open().connect([&](const Gio::Application::type_vec_files &files, const Glib::ustring &hint){
for (const auto &file : files) {
photo_viewer.open_file(file->get_path().c_str());
}
app->add_window(win);
win.show();
});
horizontal_box.show();
vertical_box.show();
win.add(vertical_box);
return app->run(win);
}

4
src/RagePhoto.cpp
View file

@ -86,7 +86,7 @@ bool RagePhoto::load(const char *data, size_t length)
#ifdef CODECVT_COMPATIBLE
char16_t photoHeader16[128];
memcpy(photoHeader16, photoHeader, sizeof(char) * 256);
memcpy(photoHeader16, photoHeader, 256);
std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> convert;
p_photoString = convert.to_bytes(photoHeader16);
#elif defined ICONV_COMPATIBLE
@ -352,7 +352,7 @@ size_t RagePhoto::readBuffer(const char *input, char *output, size_t *pos, size_
readLen = inputLen - *pos;
if (readLen > len)
readLen = len;
memcpy(output, &input[*pos], sizeof(char) * readLen);
memcpy(output, &input[*pos], readLen);
*pos = *pos + readLen;
return readLen;
}

2
tests/CodecvtTest.cpp
View file

@ -58,7 +58,7 @@ int main(int argc, char *argv[])
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
char16_t photoHeader16[128];
memcpy(photoHeader16, photoHeader, sizeof(char) * 256);
memcpy(photoHeader16, photoHeader, 256);
std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> convert;
std::string photoString = convert.to_bytes(photoHeader16);
std::cout << photoString << std::endl;