Added test tool: raw_importer

examples/raw_importer/raw_importer.c

@@ -0,0 +1,210 @@
+/*******************************************************************************************
+*
+*   raygui - raw image file importer
+*
+*   This example has been created using raylib v1.7 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2017 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define RAYGUI_IMPLEMENTATION
+#include "raygui.h"
+
+#include <string.h>
+
+char *GetFileName(char *path);
+void GuiPanel(Rectangle bounds, char const *text);
+
+int main(int argc, char *argv[0])
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int SCREEN_WIDTH = 800;
+    const int SCREEN_HEIGHT = 450;
+    
+    Rectangle panel = { SCREEN_WIDTH/2 - 100, SCREEN_HEIGHT/2 - 390/2, 200, 390 };
+    
+    char textImageWidth[16] = "\0";
+    char textImageHeight[16] = "\0";
+    char textImageSize[16] = "\0";
+    
+    bool btnLoadPressed = false;
+
+    int buttonToggleChannel = 3;
+    int buttonToggleDepth = 0;
+    char *arrayChannel[4] = { "1", "2", "3", "4" };
+    char *arrayDepth[3] = { "8", "16", "32" };
+    
+    // Image file info
+    int dataSize = 0;
+    char fileName[32] = "\0";
+    
+    bool showImportPanel = false;
+    bool imageLoaded = false;
+    
+    float imageScale = 1.0f;
+    
+    InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "raw image importer");
+
+    Texture2D texture = { 0 };
+    
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+    
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Check if a file is dropped
+        if (IsFileDropped())
+        {
+            int fileCount = 0;
+            char **droppedFiles = GetDroppedFiles(&fileCount);
+
+            // Check file extensions for drag-and-drop
+            if ((fileCount == 1) && IsFileExtension(droppedFiles[0], ".raw"))
+            {
+                FILE *imageFile = fopen(droppedFiles[0], "rb");
+                fseek(imageFile, 0L, SEEK_END);
+                dataSize = ftell(imageFile);
+                fclose(imageFile);
+                
+                strcpy(fileName, GetFileName(droppedFiles[0]));
+
+                showImportPanel = true;
+            }
+
+            ClearDroppedFiles();
+        }
+        
+        if (btnLoadPressed)
+        {
+            // Convert input textImageWidth, textImageHeight to int
+            int width = atoi(textImageWidth);
+            int height = atoi(textImageHeight);
+            int format = UNCOMPRESSED_R8G8B8A8;
+            
+            int channels = atoi(arrayChannel[buttonToggleChannel]);
+            int bpp = atoi(arrayDepth[buttonToggleDepth]);
+            
+            int headerSize = atoi(textImageSize);
+            
+            // Depending on channels and bit depth, select correct pixel format
+            if ((width != 0) && (height != 0) && (bpp == 8))
+            {
+                switch (channels)
+                {
+                    case 1: format = UNCOMPRESSED_GRAYSCALE; break;
+                    case 2: format = UNCOMPRESSED_GRAY_ALPHA; break;
+                    case 3: format = UNCOMPRESSED_R8G8B8; break;
+                    case 4: format = UNCOMPRESSED_R8G8B8A8; break;
+                    default: break;
+                }
+                
+                Image image = LoadImageRaw(fileName, width, height, format, headerSize);
+                texture = LoadTextureFromImage(image);
+                UnloadImage(image);
+                
+                showImportPanel = false;
+                btnLoadPressed = false;
+                imageLoaded = true;
+            }
+        }
+        
+        if (imageLoaded)
+        {
+            // Image zoom control
+            imageScale += (float)GetMouseWheelMove();
+        }
+        //----------------------------------------------------------------------------------
+        
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        
+            ClearBackground(RAYWHITE);
+            
+            DrawRectangleLines(10, 10, SCREEN_WIDTH - 20, SCREEN_HEIGHT - 20, GuiLinesColor());
+            
+            if (texture.id != 0) DrawTextureEx(texture, (Vector2){ SCREEN_WIDTH/2 - texture.width*imageScale/2, SCREEN_HEIGHT/2 - texture.height*imageScale/2 }, 0, imageScale, WHITE);
+            else DrawText("drag & drop RAW image file", 320, 180, 10, GRAY);
+
+            if (showImportPanel)
+            {
+                DrawRectangle(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, Fade(LIGHTGRAY, 0.5f));
+                
+                DrawRectangleRec(panel, GuiBackgroundColor());
+                DrawRectangleLines(panel.x, panel.y, panel.width, panel.height, GuiLinesColor());
+
+                GuiLabel((Rectangle){ panel.x + 10, panel.y + 10, 0, 0 }, FormatText("Import file: %s", fileName));
+                GuiLabel((Rectangle){ panel.x + 10, panel.y + 30, 0, 0 }, FormatText("File size: %i bytes", dataSize));
+                
+                // ----- Resolution panel-----
+                GuiPanel((Rectangle){ panel.x + 10, panel.y + 55, 180, 80 }, "Resolution");
+                
+                GuiLabel((Rectangle){ panel.x + 20, panel.y + 80, 0, 0 }, "Width:");
+                GuiLabel((Rectangle){ panel.x + 150, panel.y + 80, 0, 0 }, "pixels");
+                
+                GuiTextBox((Rectangle){ panel.x + 60, panel.y + 75, 80, 20 }, textImageWidth, 16);
+                
+                GuiLabel((Rectangle){ panel.x + 20, panel.y + 105, 0, 0 }, "Height:");
+                GuiLabel((Rectangle){ panel.x + 150, panel.y + 105, 0, 0 }, "pixels");
+                
+                GuiTextBox((Rectangle){ panel.x + 60, panel.y + 100, 80, 20 }, textImageHeight, 16);
+                
+                // ----- Pixel data panel -----
+                GuiPanel((Rectangle){ panel.x + 10, panel.y + 155, 180, 110 }, "Pixels Data");
+                
+                GuiLabel((Rectangle){ panel.x + 20, panel.y + 170, 0, 0 }, "Channels:");
+                GuiLabel((Rectangle){ panel.x + 20, panel.y + 215, 0, 0 }, "Bit Depth:");
+                
+                buttonToggleChannel = GuiToggleGroup((Rectangle){ panel.x + 20, panel.y + 185, 38, 20 }, 4, arrayChannel, buttonToggleChannel);
+                buttonToggleDepth = GuiToggleGroup((Rectangle){ panel.x + 20, panel.y + 230, 51, 20 }, 3, arrayDepth, buttonToggleDepth);
+                
+                // ----- Header panel -----
+                GuiPanel((Rectangle){ panel.x + 10, panel.y + 285, 180, 50 }, "Header");
+                
+                GuiLabel((Rectangle){ panel.x + 20, panel.y + 305, 0, 0 }, "Size:");
+                GuiLabel((Rectangle){ panel.x + 150, panel.y + 305, 0, 0 }, "bytes");
+                
+                GuiTextBox((Rectangle){ panel.x + 60, panel.y + 300, 80, 20 }, textImageSize, 4);
+                
+                btnLoadPressed = GuiButton((Rectangle){ panel.x + 10, panel.y + 350, 180, 24 }, "Load RAW Image");
+            }
+           
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+    
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    if (texture.id != 0) UnloadTexture(texture);
+    
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+    
+    return 0;
+}
+
+void GuiPanel(Rectangle bounds, char const *text)
+{
+    DrawLineEx((Vector2){ bounds.x + 1, bounds.y }, (Vector2){ bounds.x, bounds.y + bounds.height }, 1, GuiLinesColor());
+    DrawLineEx((Vector2){ bounds.x, bounds.y + bounds.height }, (Vector2){ bounds.x + bounds.width, bounds.y + bounds.height }, 1, GuiLinesColor());
+    DrawLineEx((Vector2){ bounds.x + bounds.width, bounds.y + bounds.height }, (Vector2){ bounds.x + bounds.width, bounds.y }, 1, GuiLinesColor());
+    DrawLineEx((Vector2){ bounds.x, bounds.y }, (Vector2){ bounds.x + 10, bounds.y }, 1, GuiLinesColor());
+    DrawLineEx((Vector2){ bounds.x + bounds.width, bounds.y }, (Vector2){ bounds.x + 20 + MeasureText(text, 10), bounds.y }, 1, GuiLinesColor());
+    
+    DrawText(text, bounds.x + 14, bounds.y - 5, 10, GuiTextColor());
+}
+
+char *GetFileName(char *path)
+{
+    char *base = strrchr(path, '\\');
+
+    return base ? base + 1 : path;
+}