dubey/tview
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Tanishq Dubey 2024-06-12 23:20:10 -04:00
parent 2ea4211c4b
commit a7317de4e4
3 changed files with 291 additions and 32 deletions
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6
Makefile
View File

@ -25,7 +25,7 @@ LINUX_GL_LIBS = -lGL
CXXFLAGS = -std=c++20 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends CXXFLAGS = -std=c++20 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends
CXXFLAGS += -DIMGUI_DEFINE_MATH_OPERATORS -Ofast CXXFLAGS += -DIMGUI_DEFINE_MATH_OPERATORS -Ofast
LIBS = LIBS = -lexiv2
##--------------------------------------------------------------------- ##---------------------------------------------------------------------
## OPENGL ES ## OPENGL ES
@ -44,9 +44,9 @@ LIBS =
ifeq ($(UNAME_S), Linux) #LINUX ifeq ($(UNAME_S), Linux) #LINUX
ECHO_MESSAGE = "Linux" ECHO_MESSAGE = "Linux"
LIBS += $(LINUX_GL_LIBS) -ldl `sdl2-config --libs` LIBS += $(LINUX_GL_LIBS) -ldl -L/usr/lib -lSDL2
CXXFLAGS += `sdl2-config --cflags` CXXFLAGS += -I/usr/include/SDL2 -D_REENTRANT
CFLAGS = $(CXXFLAGS) CFLAGS = $(CXXFLAGS)
endif endif

7
imgui.ini
View File

@ -14,7 +14,7 @@ Collapsed=0
[Window][Main] [Window][Main]
Pos=0,0 Pos=0,0
Size=1673,1237 Size=1176,1263
Collapsed=0 Collapsed=0
[Window][Help] [Window][Help]
@ -22,3 +22,8 @@ Pos=136,255
Size=177,114 Size=177,114
Collapsed=0 Collapsed=0
[Window][EXIF]
Pos=36,29
Size=276,318
Collapsed=0

310
main.cpp
View File

@ -7,6 +7,7 @@
#include "lib/imgui.h" #include "lib/imgui.h"
#include "lib/imgui_internal.h" #include "lib/imgui_internal.h"
#include <cstdint> #include <cstdint>
#include <exiv2/tags.hpp>
#include <iostream> #include <iostream>
#include <stdexcept> #include <stdexcept>
#include <stdio.h> #include <stdio.h>
@ -34,50 +35,139 @@
#include "lib/backends/tex_inspect_opengl.h" #include "lib/backends/tex_inspect_opengl.h"
#include "lib/argparse.hpp" #include "lib/argparse.hpp"
#include <exiv2/exiv2.hpp>
struct Args : public argparse::Args { struct Args : public argparse::Args {
std::string &fpath = arg("path to the image"); std::string &fpath = arg("path to the image");
}; };
struct EXIFData {
std::string CameraMake;
std::string CameraModel;
std::string LensModel;
std::string ImageOrientation;
std::string ImageDimensionX;
std::string ImageDimensiony;
std::string ISO;
std::string ShutterSpeed;
std::string FNumber;
std::string FocalLength;
std::string ExposureBias;
std::string MeteringMode;
std::string Flash;
std::string Time;
std::string TimeTaken;
std::string TimeTakenOffset;
std::string GPSLat;
std::string GPSLatref;
std::string GPSLon;
std::string GPSLonref;
};
struct Texture struct Texture
{ {
ImTextureID texture; ImTextureID texture;
ImVec2 size; ImVec2 size;
int channels; int channels;
EXIFData exif;
}; };
static uint8_t* image = nullptr; static uint8_t* image = nullptr;
Texture LoadTexture(const char * path)
{
const int channelCount = 4;
int imageFileChannelCount;
int width, height;
image = (uint8_t *)stbi_load(path, &width, &height, &imageFileChannelCount, channelCount);
if (image == NULL)
{
fprintf(stderr, "%s\nFailed to open %s\n", stbi_failure_reason(), path);
return {nullptr,{0,0}}; EXIFData printExifData(const std::string& imagePath) {
EXIFData d;
d.CameraMake = "NULL";
try {
// Load the image
Exiv2::Image::UniquePtr img = Exiv2::ImageFactory::open(imagePath);
if (img.get() == 0) {
std::cerr << "Error: Could not open image file " << imagePath << std::endl;
return d;
}
img->readMetadata();
// Get the Exif data
Exiv2::ExifData &exifData = img->exifData();
if (exifData.empty()) {
std::cerr << "No EXIF data found in file " << imagePath << std::endl;
return d;
}
// Helper function to print EXIF data if available
auto printExifValue = [&exifData](const char* key, std::string *d) {
Exiv2::ExifKey exifKey(key);
Exiv2::ExifData::const_iterator pos = exifData.findKey(exifKey);
if (pos != exifData.end()) {
*d = pos->value().toString();
}
};
// Print common EXIF data
printExifValue("Exif.Image.Make", &d.CameraMake);
printExifValue("Exif.Image.Model", &d.CameraModel);
printExifValue("Exif.Photo.LensModel", &d.LensModel);
printExifValue("Exif.Image.Orientation", &d.ImageOrientation);
//
printExifValue("Exif.Photo.ExposureTime", &d.ShutterSpeed);
printExifValue("Exif.Photo.FNumber", &d.FNumber);
printExifValue("Exif.Photo.ISOSpeedRatings", &d.ISO);
printExifValue("Exif.Photo.FocalLength", &d.FocalLength);
printExifValue("Exif.Photo.ExposureBiasValue", &d.ExposureBias);
printExifValue("Exif.Photo.MeteringMode", &d.MeteringMode);
printExifValue("Exif.Photo.Flash", &d.Flash);
printExifValue("Exif.Image.DateTime", &d.Time);
printExifValue("Exif.Photo.DateTimeOriginal", &d.TimeTaken);
printExifValue("Exif.Photo.OffsetTime", &d.TimeTakenOffset);
printExifValue("Exif.Photo.PixelXDimension", &d.ImageDimensionX);
printExifValue("Exif.Photo.PixelYDimension", &d.ImageDimensiony);
printExifValue("Exif.GPSInfo.GPSLatitudeRef", &d.GPSLatref);
printExifValue("Exif.GPSInfo.GPSLatitude", &d.GPSLat);
printExifValue("Exif.GPSInfo.GPSLongitudeRef", &d.GPSLonref);
printExifValue("Exif.GPSInfo.GPSLongitude", &d.GPSLon);
/*
Exif.Image.Make 0x010f Ascii 5 SONY
Exif.Image.Model 0x0110 Ascii 10 ILCE-7RM5
Exif.Image.Orientation 0x0112 Short 1 8
Exif.Photo.PixelXDimension 0xa002 Long 1 9504
Exif.Photo.PixelYDimension 0xa003 Long 1 6336
Exif.Photo.ExposureTime 0x829a Rational 1 1/400
Exif.Photo.FNumber 0x829d Rational 1 56/10
Exif.Photo.ISOSpeedRatings 0x8827 Short 1 100
Exif.Photo.FocalLength 0x920a Rational 1 400/10
Exif.Photo.ExposureBiasValue 0x9204 SRational 1 -10/10
Exif.Photo.MeteringMode 0x9207 Short 1 5
Exif.Photo.Flash 0x9209 Short 1 16
Exif.Image.DateTime 0x0132 Ascii 20 2024:06:07 08:58:07
Exif.Photo.DateTimeOriginal 0x9003 Ascii 20 2024:06:07 08:58:07
Exif.Photo.OffsetTime 0x9010 Ascii 7 -05:00
Exif.GPSInfo.GPSLatitudeRef 0x0001 Ascii 2 N
Exif.GPSInfo.GPSLatitude 0x0002 Rational 3 40/1 43/1 32231/1000
Exif.GPSInfo.GPSLongitudeRef 0x0003 Ascii 2 W
Exif.GPSInfo.GPSLongitude 0x0004 Rational 3 73/1 59/1 16688/1000
*/
} catch (Exiv2::Error& e) {
std::cerr << "Error: " << e.what() << std::endl;
} }
GLenum dataFormat = GL_RGBA; return d;
GLuint textureHandle;
glGenTextures(1, &textureHandle);
glBindTexture(GL_TEXTURE_2D, textureHandle);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, dataFormat, GL_UNSIGNED_BYTE, image);
Texture t;
t.texture = (void*)(uintptr_t)(textureHandle);
t.size = ImVec2((float)width,(float)height);
t.channels = channelCount;
return t;
} }
Texture ReloadTexture(ImTextureID id, int width, int height) {
GLuint tid = (GLuint)(uintptr_t)id;
Texture ReloadTexture(Texture tin, int width, int height) {
GLuint tid = (GLuint)(uintptr_t)tin.texture;
glDeleteTextures((GLsizei)1, &tid); glDeleteTextures((GLsizei)1, &tid);
GLenum dataFormat = GL_RGBA; GLenum dataFormat = GL_RGBA;
@ -91,6 +181,8 @@ Texture ReloadTexture(ImTextureID id, int width, int height) {
Texture t; Texture t;
t.texture = (void*)(uintptr_t)(textureHandle); t.texture = (void*)(uintptr_t)(textureHandle);
t.size = ImVec2((float)width,(float)height); t.size = ImVec2((float)width,(float)height);
t.exif = tin.exif;
t.channels = tin.channels;
return t; return t;
} }
@ -120,6 +212,43 @@ void RotateImage(Texture t) {
delete[] tempBuffer; delete[] tempBuffer;
} }
Texture LoadTexture(const char * path)
{
const int channelCount = 4;
int imageFileChannelCount;
int width, height;
image = (uint8_t *)stbi_load(path, &width, &height, &imageFileChannelCount, channelCount);
if (image == NULL)
{
fprintf(stderr, "%s\nFailed to open %s\n", stbi_failure_reason(), path);
return {nullptr,{0,0}};
}
auto exif = printExifData(path);
GLenum dataFormat = GL_RGBA;
GLuint textureHandle;
glGenTextures(1, &textureHandle);
glBindTexture(GL_TEXTURE_2D, textureHandle);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, dataFormat, GL_UNSIGNED_BYTE, image);
Texture t;
t.texture = (void*)(uintptr_t)(textureHandle);
t.size = ImVec2((float)width,(float)height);
t.channels = channelCount;
t.exif = exif;
return t;
}
const int MAX_ANNOATED_TEXELS = 10000; const int MAX_ANNOATED_TEXELS = 10000;
@ -136,6 +265,7 @@ int main(int argc, char* argv[]) {
bool GRID_ENABLED = false; bool GRID_ENABLED = false;
bool AA_ENABLED = true; bool AA_ENABLED = true;
bool SHOW_HELP = false; bool SHOW_HELP = false;
bool SHOW_EXIF = false;
int MODE = 0; int MODE = 0;
// Decide GL+GLSL versions // Decide GL+GLSL versions
@ -252,11 +382,14 @@ int main(int argc, char* argv[]) {
break; break;
case SDL_SCANCODE_R: case SDL_SCANCODE_R:
RotateImage(t); RotateImage(t);
t = ReloadTexture(t.texture, t.size.y, t.size.x); t = ReloadTexture(t, t.size.y, t.size.x);
break; break;
case SDL_SCANCODE_Q: case SDL_SCANCODE_Q:
done = true; done = true;
break; break;
case SDL_SCANCODE_E:
SHOW_EXIF = !SHOW_EXIF;
break;
default: default:
break; break;
} }
@ -284,7 +417,7 @@ int main(int argc, char* argv[]) {
ImGui::SetNextWindowPos(viewport->Pos); ImGui::SetNextWindowPos(viewport->Pos);
ImGui::SetNextWindowSize(viewport->Size); ImGui::SetNextWindowSize(viewport->Size);
ImGui::Begin("Main", NULL, ImGui::Begin("Main", NULL,
ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoResize); ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoBringToFrontOnFocus);
auto wSize = ImGui::GetContentRegionAvail(); auto wSize = ImGui::GetContentRegionAvail();
if (t.texture != 0) { if (t.texture != 0) {
@ -364,11 +497,132 @@ int main(int argc, char* argv[]) {
ImGui::Text("\tFloat Values"); ImGui::Text("\tFloat Values");
ImGui::Separator(); ImGui::Separator();
ImGui::Text("h - show help popup"); ImGui::Text("h - show help popup");
ImGui::Text("e - toggle EXIF info");
ImGui::Separator();
ImGui::Text("q - quit"); ImGui::Text("q - quit");
ImGui::Separator(); ImGui::Separator();
ImGui::Text("click anywhere to continue"); ImGui::Text("click anywhere to continue");
ImGui::EndPopup(); ImGui::EndPopup();
} }
if (SHOW_EXIF && t.exif.CameraMake != "NULL") {
ImGuiWindowClass topmost;
topmost.ClassId = ImHashStr("TopMost");
topmost.ViewportFlagsOverrideSet = ImGuiViewportFlags_TopMost;
ImGui::SetNextWindowClass(&topmost);
ImGui::Begin("EXIF", NULL, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoFocusOnAppearing);
if(ImGui::BeginTable("Hardware", 2)) {
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Make");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.CameraMake.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Model");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.CameraModel.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Lens");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.LensModel.c_str());
ImGui::EndTable();
}
ImGui::Separator();
if(ImGui::BeginTable("Photo", 2)) {
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Shutter Speed");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.ShutterSpeed.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("F-Stop");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.FNumber.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("ISO");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.ISO.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Focal Length");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.FocalLength.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Exposure Comp");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.ExposureBias.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Metering Mode");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.MeteringMode.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Flash");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s", t.exif.Flash.c_str());
ImGui::EndTable();
}
ImGui::Separator();
if(ImGui::BeginTable("Meta", 2)) {
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Date");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s %s", t.exif.TimeTaken.c_str(), t.exif.TimeTakenOffset.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Dimensions");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%sx%s", t.exif.ImageDimensionX.c_str(), t.exif.ImageDimensiony.c_str());
ImGui::EndTable();
}
ImGui::Separator();
if(ImGui::BeginTable("Location", 2)) {
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Latitude");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s %s", t.exif.GPSLat.c_str(), t.exif.GPSLatref.c_str());
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("Longitude");
ImGui::TableSetColumnIndex(1);
ImGui::Text("%s %s", t.exif.GPSLon.c_str(), t.exif.GPSLonref.c_str());
ImGui::EndTable();
}
ImGui::Separator();
ImGui::Text("Press e to hide");
ImGui::End();
}
} }
// Rendering // Rendering