231 lines
11 KiB
C
231 lines
11 KiB
C
/*******************************************************************************************
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*
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* raygui - image raw importer
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*
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* DEPENDENCIES:
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* raylib 2.1 - Windowing/input management and drawing.
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* raygui 2.0 - Immediate-mode GUI controls.
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*
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* COMPILATION (Windows - MinGW):
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* gcc -o $(NAME_PART).exe $(FILE_NAME) -I../../src -lraylib -lopengl32 -lgdi32 -std=c99
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*
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* LICENSE: zlib/libpng
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*
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* Copyright (c) 2020 Ramon Santamaria (@raysan5)
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*
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**********************************************************************************************/
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#include "raylib.h"
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#define RAYGUI_IMPLEMENTATION
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#define RAYGUI_SUPPORT_RICONS
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#include "../../src/raygui.h"
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#include <string.h> // Required for: strcpy()
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#include <stdlib.h> // Required for: atoi()
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#include <math.h> // Required for: round()
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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int main()
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{
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// Initialization
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//---------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 600;
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InitWindow(screenWidth, screenHeight, "raygui - image raw importer");
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Texture2D texture = { 0 };
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// GUI controls initialization
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//----------------------------------------------------------------------------------
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Vector2 windowOffset = { screenWidth/2 - 200/2, screenHeight/2 - 465/2 };
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bool importWindowActive = false;
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int widthValue = 0;
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bool widthEditMode = false;
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int heightValue = 0;
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bool heightEditMode = false;
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int pixelFormatActive = 0;
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const char *pixelFormatTextList[8] = { "CUSTOM", "GRAYSCALE", "GRAY ALPHA", "R5G6B5", "R8G8B8", "R5G5B5A1", "R4G4B4A4", "R8G8B8A8" };
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int channelsActive = 3;
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const char *channelsTextList[4] = { "1", "2", "3", "4" };
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int bitDepthActive = 0;
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const char *bitDepthTextList[3] = { "8", "16", "32" };
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int headerSizeValue = 0;
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bool headerSizeEditMode = false;
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//----------------------------------------------------------------------------------
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// Image file info
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int dataSize = 0;
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char fileNamePath[256] = "\0";
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char fileName[64] = "\0";
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bool btnLoadPressed = false;
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bool imageLoaded = false;
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float imageScale = 1.0f;
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SetTargetFPS(60);
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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// Check if a file is dropped
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if (IsFileDropped())
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{
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int fileCount = 0;
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char **droppedFiles = GetDroppedFiles(&fileCount);
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// Check file extensions for drag-and-drop
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if ((fileCount == 1) && IsFileExtension(droppedFiles[0], ".raw"))
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{
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FILE *imageFile = fopen(droppedFiles[0], "rb");
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fseek(imageFile, 0L, SEEK_END);
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dataSize = ftell(imageFile);
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fclose(imageFile);
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// NOTE: Returned string is just a pointer to droppedFiles[0],
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// we need to make a copy of that data somewhere else: fileName
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strcpy(fileNamePath, droppedFiles[0]);
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strcpy(fileName, GetFileName(droppedFiles[0]));
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// Try to guess possible raw values
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// Let's assume image is square, RGBA, 8 bit per channel
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widthValue = round(sqrt(dataSize/4));
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heightValue = widthValue;
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headerSizeValue = dataSize - widthValue*heightValue*4;
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if (headerSizeValue < 0) headerSizeValue = 0;
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importWindowActive = true;
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}
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ClearDroppedFiles();
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}
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// Check if load button has been pressed
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if (btnLoadPressed)
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{
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// Depending on channels and bit depth, select correct pixel format
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if ((widthValue != 0) && (heightValue != 0))
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{
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int format = -1;
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if (pixelFormatActive == 0)
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{
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int channels = atoi(channelsTextList[channelsActive]);
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int bpp = atoi(bitDepthTextList[bitDepthActive]);
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// Select correct format depending on channels and bpp
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if (bpp == 8)
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{
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if (channels == 1) format = PIXELFORMAT_UNCOMPRESSED_GRAYSCALE;
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else if (channels == 2) format = PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA;
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else if (channels == 3) format = PIXELFORMAT_UNCOMPRESSED_R8G8B8;
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else if (channels == 4) format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8;
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}
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else if (bpp == 32)
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{
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if (channels == 1) format = PIXELFORMAT_UNCOMPRESSED_R32;
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else if (channels == 2) TraceLog(LOG_WARNING, "Channel bit-depth not supported!");
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else if (channels == 3) format = PIXELFORMAT_UNCOMPRESSED_R32G32B32;
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else if (channels == 4) format = PIXELFORMAT_UNCOMPRESSED_R32G32B32A32;
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}
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else if (bpp == 16) TraceLog(LOG_WARNING, "Channel bit-depth not supported!");
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}
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else format = pixelFormatActive;
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if (format != -1)
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{
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Image image = LoadImageRaw(fileNamePath, widthValue, heightValue, format, headerSizeValue);
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texture = LoadTextureFromImage(image);
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UnloadImage(image);
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importWindowActive = false;
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btnLoadPressed = false;
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if (texture.id > 0)
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{
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imageLoaded = true;
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imageScale = (float)(screenHeight - 100)/texture.height;
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}
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}
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}
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}
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if (imageLoaded) imageScale += (float)GetMouseWheelMove(); // Image scale control
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(GetColor(GuiGetStyle(DEFAULT, BACKGROUND_COLOR)));
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if (texture.id != 0)
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{
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DrawTextureEx(texture, (Vector2){ screenWidth/2 - texture.width*imageScale/2, screenHeight/2 - texture.height*imageScale/2 }, 0, imageScale, WHITE);
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DrawText(TextFormat("SCALE x%.0f", imageScale), 20, screenHeight - 40, 20, GetColor(GuiGetStyle(DEFAULT, LINE_COLOR)));
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}
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else DrawText("drag & drop RAW image file", 320, 180, 10, GetColor(GuiGetStyle(DEFAULT, LINE_COLOR)));
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// raygui: controls drawing
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//----------------------------------------------------------------------------------
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if (importWindowActive)
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{
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importWindowActive = !GuiWindowBox((Rectangle){ windowOffset.x + 0, windowOffset.y + 0, 200, 465 }, "Image RAW Import Options");
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GuiLabel((Rectangle){ windowOffset.x + 10, windowOffset.y + 30, 65, 20 }, "Import file:");
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GuiLabel((Rectangle){ windowOffset.x + 85, windowOffset.y + 30, 75, 20 }, fileName);
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GuiLabel((Rectangle){ windowOffset.x + 10, windowOffset.y + 50, 65, 20 }, "File size:");
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GuiLabel((Rectangle){ windowOffset.x + 85, windowOffset.y + 50, 75, 20 }, TextFormat("%i bytes", dataSize));
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GuiGroupBox((Rectangle){ windowOffset.x + 10, windowOffset.y + 85, 180, 80 }, "Resolution");
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GuiLabel((Rectangle){ windowOffset.x + 20, windowOffset.y + 100, 33, 25 }, "Width:");
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if (GuiValueBox((Rectangle){ windowOffset.x + 60, windowOffset.y + 100, 80, 25 }, NULL, &widthValue, 0, 8192, widthEditMode)) widthEditMode = !widthEditMode;
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GuiLabel((Rectangle){ windowOffset.x + 145, windowOffset.y + 100, 30, 25 }, "pixels");
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GuiLabel((Rectangle){ windowOffset.x + 20, windowOffset.y + 130, 33, 25 }, "Height:");
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if (GuiValueBox((Rectangle){ windowOffset.x + 60, windowOffset.y + 130, 80, 25 }, NULL, &heightValue, 0, 8192, heightEditMode)) heightEditMode = !heightEditMode;
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GuiLabel((Rectangle){ windowOffset.x + 145, windowOffset.y + 130, 30, 25 }, "pixels");
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GuiGroupBox((Rectangle){ windowOffset.x + 10, windowOffset.y + 180, 180, 160 }, "Pixel Format");
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pixelFormatActive = GuiComboBox((Rectangle){ windowOffset.x + 20, windowOffset.y + 195, 160, 25 }, TextJoin(pixelFormatTextList, 8, ";"), pixelFormatActive);
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GuiLine((Rectangle){ windowOffset.x + 20, windowOffset.y + 220, 160, 20 }, NULL);
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if (pixelFormatActive != 0) GuiDisable();
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GuiLabel((Rectangle){ windowOffset.x + 20, windowOffset.y + 235, 50, 20 }, "Channels:");
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channelsActive = GuiToggleGroup((Rectangle){ windowOffset.x + 20, windowOffset.y + 255, 156/4, 25 }, TextJoin(channelsTextList, 4, ";"), channelsActive);
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GuiLabel((Rectangle){ windowOffset.x + 20, windowOffset.y + 285, 50, 20 }, "Bit Depth:");
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bitDepthActive = GuiToggleGroup((Rectangle){ windowOffset.x + 20, windowOffset.y + 305, 160/3, 25 }, TextJoin(bitDepthTextList, 3, ";"), bitDepthActive);
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GuiEnable();
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GuiGroupBox((Rectangle){ windowOffset.x + 10, windowOffset.y + 355, 180, 50 }, "Header");
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GuiLabel((Rectangle){ windowOffset.x + 25, windowOffset.y + 370, 27, 25 }, "Size:");
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if (GuiValueBox((Rectangle){ windowOffset.x + 55, windowOffset.y + 370, 85, 25 }, NULL, &headerSizeValue, 0, 10000, headerSizeEditMode)) headerSizeEditMode = !headerSizeEditMode;
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GuiLabel((Rectangle){ windowOffset.x + 145, windowOffset.y + 370, 30, 25 }, "bytes");
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btnLoadPressed = GuiButton((Rectangle){ windowOffset.x + 10, windowOffset.y + 420, 180, 30 }, "Import RAW");
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}
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//----------------------------------------------------------------------------------
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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if (texture.id != 0) UnloadTexture(texture);
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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