Added 6 new examples
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raysan5
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examples/core_gestures_detection.c
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115
examples/core_gestures_detection.c
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/*******************************************************************************************
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*
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* raylib [core] example - Gestures Detection
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*
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* This example has been created using raylib 1.4 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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*
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* Copyright (c) 2016 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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#include <string.h>
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#define MAX_GESTURE_STRINGS 20
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int main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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int screenWidth = 800;
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int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [core] example - gestures detection");
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Vector2 touchPosition = { 0, 0 };
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Rectangle touchArea = { 220, 10, screenWidth - 230, screenHeight - 20 };
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int gesturesCount = 0;
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char gestureStrings[MAX_GESTURE_STRINGS][32];
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int currentGesture = GESTURE_NONE;
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int lastGesture = GESTURE_NONE;
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//SetGesturesEnabled(0b0000000000001001); // Enable only some gestures to be detected
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SetTargetFPS(30);
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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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lastGesture = currentGesture;
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touchPosition = GetTouchPosition(0);
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if (CheckCollisionPointRec(touchPosition, touchArea) && IsGestureDetected())
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{
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currentGesture = GetGestureType();
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if (currentGesture != lastGesture)
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{
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// Store gesture string
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switch (currentGesture)
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{
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case GESTURE_TAP: strcpy(gestureStrings[gesturesCount], "GESTURE TAP"); break;
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case GESTURE_DOUBLETAP: strcpy(gestureStrings[gesturesCount], "GESTURE DOUBLETAP"); break;
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case GESTURE_HOLD: strcpy(gestureStrings[gesturesCount], "GESTURE HOLD"); break;
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case GESTURE_DRAG: strcpy(gestureStrings[gesturesCount], "GESTURE DRAG"); break;
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case GESTURE_SWIPE_RIGHT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE RIGHT"); break;
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case GESTURE_SWIPE_LEFT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE LEFT"); break;
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case GESTURE_SWIPE_UP: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE UP"); break;
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case GESTURE_SWIPE_DOWN: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE DOWN"); break;
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default: break;
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}
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gesturesCount++;
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// Reset gestures strings
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if (gesturesCount >= MAX_GESTURE_STRINGS)
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{
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for (int i = 0; i < MAX_GESTURE_STRINGS; i++) strcpy(gestureStrings[i], "\0");
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gesturesCount = 0;
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}
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}
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}
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else currentGesture = GESTURE_NONE;
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(RAYWHITE);
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DrawRectangleRec(touchArea, GRAY);
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DrawRectangle(225, 15, screenWidth - 240, screenHeight - 30, RAYWHITE);
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DrawText("GESTURES TEST AREA", screenWidth - 270, screenHeight - 40, 20, Fade(GRAY, 0.5f));
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for (int i = 0; i < gesturesCount; i++)
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{
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if (i%2 == 0) DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.5f));
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else DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.3f));
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if (i < gesturesCount - 1) DrawText(gestureStrings[i], 35, 36 + 20*i, 10, DARKGRAY);
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else DrawText(gestureStrings[i], 35, 36 + 20*i, 10, MAROON);
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}
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DrawRectangleLines(10, 29, 200, screenHeight - 50, GRAY);
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DrawText("DETECTED GESTURES", 50, 15, 10, GRAY);
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if (currentGesture != GESTURE_NONE) DrawCircleV(touchPosition, 30, MAROON);
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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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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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}
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BIN
examples/core_gestures_detection.png
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BIN
examples/core_gestures_detection.png
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@ -5,7 +5,7 @@
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* This example has been created using raylib 1.4 (www.raylib.com)
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* This example has been created using raylib 1.4 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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*
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*
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* Copyright (c) 2014 Ramon Santamaria (@raysan5)
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* Copyright (c) 2015 Ramon Santamaria (@raysan5)
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*
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*
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********************************************************************************************/
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********************************************************************************************/
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@ -85,8 +85,8 @@ else
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# external libraries headers
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# external libraries headers
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# GLFW3
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# GLFW3
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INCLUDES += -I../external/glfw3/include
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INCLUDES += -I../external/glfw3/include
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# GLEW
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# GLEW - Not required any more, replaced by GLAD
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INCLUDES += -I../external/glew/include
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#INCLUDES += -I../external/glew/include
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# OpenAL Soft
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# OpenAL Soft
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INCLUDES += -I../external/openal_soft/include
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INCLUDES += -I../external/openal_soft/include
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endif
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endif
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ifneq ($(PLATFORM_OS),OSX)
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ifneq ($(PLATFORM_OS),OSX)
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# OpenAL Soft
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# OpenAL Soft
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LFLAGS += -L../external/openal_soft/lib/$(LIBPATH)
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LFLAGS += -L../external/openal_soft/lib/$(LIBPATH)
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# GLEW
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# GLEW - Not required any more, replaced by GLAD
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LFLAGS += -L../external/glew/lib/$(LIBPATH)
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#LFLAGS += -L../external/glew/lib/$(LIBPATH)
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endif
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endif
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endif
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endif
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else
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else
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# libraries for Windows desktop compiling
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# libraries for Windows desktop compiling
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# NOTE: GLFW3 and OpenAL Soft libraries should be installed
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# NOTE: GLFW3 and OpenAL Soft libraries should be installed
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LIBS = -lraylib -lglfw3 -lglew32 -lopengl32 -lopenal32 -lgdi32
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LIBS = -lraylib -lglfw3 -lopengl32 -lopenal32 -lgdi32
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endif
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endif
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endif
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endif
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endif
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endif
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@ -161,6 +161,8 @@ EXAMPLES = \
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core_random_values \
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core_random_values \
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core_color_select \
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core_color_select \
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core_drop_files \
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core_drop_files \
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core_storage_values \
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core_gestures_detection \
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core_3d_mode \
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core_3d_mode \
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core_3d_picking \
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core_3d_picking \
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core_3d_camera_free \
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core_3d_camera_free \
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@ -177,10 +179,14 @@ EXAMPLES = \
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textures_raw_data \
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textures_raw_data \
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textures_formats_loading \
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textures_formats_loading \
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textures_particles_trail_blending \
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textures_particles_trail_blending \
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textures_image_processing \
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textures_image_drawing \
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text_sprite_fonts \
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text_sprite_fonts \
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text_bmfont_ttf \
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text_rbmf_fonts \
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text_rbmf_fonts \
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text_format_text \
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text_format_text \
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text_font_select \
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text_font_select \
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text_writing_anim \
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models_geometric_shapes \
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models_geometric_shapes \
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models_box_collisions \
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models_box_collisions \
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models_billboard \
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models_billboard \
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audio_music_stream \
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audio_music_stream \
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fix_dylib \
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fix_dylib \
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#core_input_gamepad \
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# typing 'make' will invoke the first target entry in the file,
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# typing 'make' will invoke the first target entry in the file,
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# in this case, the 'default' target entry is raylib
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# in this case, the 'default' target entry is raylib
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@ -217,6 +221,10 @@ core_input_keys: core_input_keys.c
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core_input_mouse: core_input_mouse.c
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core_input_mouse: core_input_mouse.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [core] example - mouse wheel
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core_mouse_wheel: core_mouse_wheel.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [core] example - gamepad input
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# compile [core] example - gamepad input
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core_input_gamepad: core_input_gamepad.c
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core_input_gamepad: core_input_gamepad.c
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ifeq ($(PLATFORM),PLATFORM_DESKTOP)
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ifeq ($(PLATFORM),PLATFORM_DESKTOP)
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@echo core_input_gamepad: Only supported on desktop platform
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@echo core_input_gamepad: Only supported on desktop platform
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endif
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endif
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# compile [core] example - mouse wheel
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# compile [core] example - generate random values
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core_mouse_wheel: core_mouse_wheel.c
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core_random_values: core_random_values.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [core] example - color selection (collision detection)
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core_color_select: core_color_select.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [core] example - drop files
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# compile [core] example - drop files
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else
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else
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@echo core_drop_files: Only supported on desktop platform
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@echo core_drop_files: Only supported on desktop platform
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endif
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endif
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# compile [core] example - generate random values
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core_random_values: core_random_values.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [core] example - color selection (collision detection)
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# compile [core] example - storage values
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core_color_select: core_color_select.c
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core_storage_values: core_storage_values.c
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ifeq ($(PLATFORM),PLATFORM_DESKTOP)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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else
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@echo core_storage_values: Only supported on desktop platform
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endif
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# compile [core] example - gestures detection
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core_gestures_detection: core_gestures_detection.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [core] example - 3d mode
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# compile [core] example - 3d mode
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textures_particles_trail_blending: textures_particles_trail_blending.c
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textures_particles_trail_blending: textures_particles_trail_blending.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [textures] example - texture image processing
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textures_image_processing: textures_image_processing.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [textures] example - texture image drawing
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textures_image_drawing: textures_image_drawing.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [text] example - sprite fonts loading
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# compile [text] example - sprite fonts loading
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text_sprite_fonts: text_sprite_fonts.c
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text_sprite_fonts: text_sprite_fonts.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [text] example - bmfonts and ttf loading
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text_bmfont_ttf: text_bmfont_ttf.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [text] example - raylib bitmap fonts (rBMF)
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# compile [text] example - raylib bitmap fonts (rBMF)
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text_rbmf_fonts: text_rbmf_fonts.c
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text_rbmf_fonts: text_rbmf_fonts.c
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text_font_select: text_font_select.c
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text_font_select: text_font_select.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [text] example - text writing animation
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text_writing_anim: text_writing_anim.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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# compile [models] example - basic geometric 3d shapes
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# compile [models] example - basic geometric 3d shapes
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models_geometric_shapes: models_geometric_shapes.c
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models_geometric_shapes: models_geometric_shapes.c
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDES) $(LFLAGS) $(LIBS) -D$(PLATFORM) $(WINFLAGS)
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examples/resources/cat.png
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examples/resources/cat.png
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info face="Arial Black" size=-32 bold=0 italic=0 charset="" unicode=1 stretchH=100 smooth=1 aa=1 padding=0,0,0,0 spacing=2,2 outline=0
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common lineHeight=45 base=35 scaleW=512 scaleH=256 pages=1 packed=0 alphaChnl=0 redChnl=4 greenChnl=4 blueChnl=4
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page id=0 file="bmfont.png"
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chars count=95
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char id=32 x=423 y=141 width=3 height=45 xoffset=-1 yoffset=0 xadvance=11 page=0 chnl=15
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char id=33 x=323 y=141 width=9 height=45 xoffset=1 yoffset=0 xadvance=11 page=0 chnl=15
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char id=37 x=70 y=0 width=30 height=45 xoffset=1 yoffset=0 xadvance=32 page=0 chnl=15
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char id=38 x=390 y=0 width=25 height=45 xoffset=2 yoffset=0 xadvance=28 page=0 chnl=15
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||||||
BIN
examples/resources/fonts/bmfont.png
Normal file
BIN
examples/resources/fonts/bmfont.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 14 KiB |
BIN
examples/resources/fonts/pixantiqua.ttf
Normal file
BIN
examples/resources/fonts/pixantiqua.ttf
Normal file
Binary file not shown.
BIN
examples/resources/parrots.png
Normal file
BIN
examples/resources/parrots.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 288 KiB |
68
examples/text_bmfont_ttf.c
Normal file
68
examples/text_bmfont_ttf.c
Normal file
@ -0,0 +1,68 @@
|
|||||||
|
/*******************************************************************************************
|
||||||
|
*
|
||||||
|
* raylib [text] example - BMFont and TTF SpriteFonts loading
|
||||||
|
*
|
||||||
|
* This example has been created using raylib 1.4 (www.raylib.com)
|
||||||
|
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
||||||
|
*
|
||||||
|
* Copyright (c) 2016 Ramon Santamaria (@raysan5)
|
||||||
|
*
|
||||||
|
********************************************************************************************/
|
||||||
|
|
||||||
|
#include "raylib.h"
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
// Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
int screenWidth = 800;
|
||||||
|
int screenHeight = 450;
|
||||||
|
|
||||||
|
InitWindow(screenWidth, screenHeight, "raylib [text] example - bmfont and ttf sprite fonts loading");
|
||||||
|
|
||||||
|
const char msgBm[64] = "THIS IS AN AngelCode SPRITE FONT";
|
||||||
|
const char msgTtf[64] = "THIS SPRITE FONT has been GENERATED from a TTF";
|
||||||
|
|
||||||
|
// NOTE: Textures/Fonts MUST be loaded after Window initialization (OpenGL context is required)
|
||||||
|
SpriteFont fontBm = LoadSpriteFont("resources/fonts/bmfont.fnt"); // BMFont (AngelCode)
|
||||||
|
SpriteFont fontTtf = LoadSpriteFont("resources/fonts/pixantiqua.ttf"); // TTF font
|
||||||
|
|
||||||
|
Vector2 fontPosition;
|
||||||
|
|
||||||
|
fontPosition.x = screenWidth/2 - MeasureTextEx(fontBm, msgBm, fontBm.size, 0).x/2;
|
||||||
|
fontPosition.y = screenHeight/2 - fontBm.size/2 - 80;
|
||||||
|
|
||||||
|
SetTargetFPS(60);
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Main game loop
|
||||||
|
while (!WindowShouldClose()) // Detect window close button or ESC key
|
||||||
|
{
|
||||||
|
// Update
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
// TODO: Update variables here...
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Draw
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
BeginDrawing();
|
||||||
|
|
||||||
|
ClearBackground(RAYWHITE);
|
||||||
|
|
||||||
|
DrawTextEx(fontBm, msgBm, fontPosition, fontBm.size, 0, MAROON);
|
||||||
|
DrawTextEx(fontTtf, msgTtf, (Vector2){ 75.0f, 240.0f }, fontTtf.size*0.8f, 2, LIME);
|
||||||
|
|
||||||
|
EndDrawing();
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
}
|
||||||
|
|
||||||
|
// De-Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
UnloadSpriteFont(fontBm); // AngelCode SpriteFont unloading
|
||||||
|
UnloadSpriteFont(fontTtf); // TTF SpriteFont unloading
|
||||||
|
|
||||||
|
CloseWindow(); // Close window and OpenGL context
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
BIN
examples/text_bmfont_ttf.png
Normal file
BIN
examples/text_bmfont_ttf.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 19 KiB |
60
examples/text_writing_anim.c
Normal file
60
examples/text_writing_anim.c
Normal file
@ -0,0 +1,60 @@
|
|||||||
|
/*******************************************************************************************
|
||||||
|
*
|
||||||
|
* raylib [text] example - Text Writing Animation
|
||||||
|
*
|
||||||
|
* This example has been created using raylib 1.4 (www.raylib.com)
|
||||||
|
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
||||||
|
*
|
||||||
|
* Copyright (c) 2016 Ramon Santamaria (@raysan5)
|
||||||
|
*
|
||||||
|
********************************************************************************************/
|
||||||
|
|
||||||
|
#include "raylib.h"
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
// Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
int screenWidth = 800;
|
||||||
|
int screenHeight = 450;
|
||||||
|
|
||||||
|
InitWindow(screenWidth, screenHeight, "raylib [text] example - text writing anim");
|
||||||
|
|
||||||
|
const char message[128] = "This sample illustrates a text writing\nanimation effect! Check it out! ;)";
|
||||||
|
|
||||||
|
int framesCounter = 0;
|
||||||
|
|
||||||
|
SetTargetFPS(60);
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Main game loop
|
||||||
|
while (!WindowShouldClose()) // Detect window close button or ESC key
|
||||||
|
{
|
||||||
|
// Update
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
framesCounter++;
|
||||||
|
|
||||||
|
if (IsKeyPressed(KEY_ENTER)) framesCounter = 0;
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Draw
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
BeginDrawing();
|
||||||
|
|
||||||
|
ClearBackground(RAYWHITE);
|
||||||
|
|
||||||
|
DrawText(SubText(message, 0, framesCounter/10), 210, 160, 20, MAROON);
|
||||||
|
|
||||||
|
DrawText("PRESS [ENTER] to RESTART!", 240, 280, 20, LIGHTGRAY);
|
||||||
|
|
||||||
|
EndDrawing();
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
}
|
||||||
|
|
||||||
|
// De-Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
CloseWindow(); // Close window and OpenGL context
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
BIN
examples/text_writing_anim.png
Normal file
BIN
examples/text_writing_anim.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 15 KiB |
78
examples/textures_image_drawing.c
Normal file
78
examples/textures_image_drawing.c
Normal file
@ -0,0 +1,78 @@
|
|||||||
|
/*******************************************************************************************
|
||||||
|
*
|
||||||
|
* raylib [textures] example - Image loading and drawing on it
|
||||||
|
*
|
||||||
|
* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
|
||||||
|
*
|
||||||
|
* This example has been created using raylib 1.4 (www.raylib.com)
|
||||||
|
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
||||||
|
*
|
||||||
|
* Copyright (c) 2016 Ramon Santamaria (@raysan5)
|
||||||
|
*
|
||||||
|
********************************************************************************************/
|
||||||
|
|
||||||
|
#include "raylib.h"
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
// Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
int screenWidth = 800;
|
||||||
|
int screenHeight = 450;
|
||||||
|
|
||||||
|
InitWindow(screenWidth, screenHeight, "raylib [textures] example - image drawing");
|
||||||
|
|
||||||
|
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
|
||||||
|
|
||||||
|
Image cat = LoadImage("resources/cat.png"); // Load image in CPU memory (RAM)
|
||||||
|
ImageCrop(&cat, (Rectangle){ 170, 120, 280, 380 }); // Crop an image piece
|
||||||
|
ImageFlipHorizontal(&cat); // Flip cropped image horizontally
|
||||||
|
ImageResize(&cat, 150, 200); // Resize flipped-cropped image
|
||||||
|
|
||||||
|
Image parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM)
|
||||||
|
|
||||||
|
// Draw one image over the other with a scaling of 1.5f
|
||||||
|
ImageDraw(&parrots, cat, (Rectangle){ 0, 0, cat.width, cat.height}, (Rectangle){ 30, 40, cat.width*1.5f, cat.height*1.5f });
|
||||||
|
ImageCrop(&parrots, (Rectangle){ 0, 50, parrots.width, parrots.height - 100 }); // Crop resulting image
|
||||||
|
|
||||||
|
UnloadImage(cat); // Unload image from RAM
|
||||||
|
|
||||||
|
Texture2D texture = LoadTextureFromImage(parrots); // Image converted to texture, uploaded to GPU memory (VRAM)
|
||||||
|
UnloadImage(parrots); // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
|
||||||
|
|
||||||
|
SetTargetFPS(60);
|
||||||
|
//---------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Main game loop
|
||||||
|
while (!WindowShouldClose()) // Detect window close button or ESC key
|
||||||
|
{
|
||||||
|
// Update
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
// TODO: Update your variables here
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Draw
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
BeginDrawing();
|
||||||
|
|
||||||
|
ClearBackground(RAYWHITE);
|
||||||
|
|
||||||
|
DrawTexture(texture, screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, WHITE);
|
||||||
|
DrawRectangleLines(screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, texture.width, texture.height, DARKGRAY);
|
||||||
|
|
||||||
|
DrawText("We are drawing only one texture from various images composed!", 240, 350, 10, DARKGRAY);
|
||||||
|
DrawText("Source images have been cropped, scaled, flipped and copied one over the other.", 190, 370, 10, DARKGRAY);
|
||||||
|
|
||||||
|
EndDrawing();
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
}
|
||||||
|
|
||||||
|
// De-Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
UnloadTexture(texture); // Texture unloading
|
||||||
|
|
||||||
|
CloseWindow(); // Close window and OpenGL context
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
BIN
examples/textures_image_drawing.png
Normal file
BIN
examples/textures_image_drawing.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 410 KiB |
154
examples/textures_image_processing.c
Normal file
154
examples/textures_image_processing.c
Normal file
@ -0,0 +1,154 @@
|
|||||||
|
/*******************************************************************************************
|
||||||
|
*
|
||||||
|
* raylib [textures] example - Image processing
|
||||||
|
*
|
||||||
|
* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
|
||||||
|
*
|
||||||
|
* This example has been created using raylib 1.4 (www.raylib.com)
|
||||||
|
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
||||||
|
*
|
||||||
|
* Copyright (c) 2016 Ramon Santamaria (@raysan5)
|
||||||
|
*
|
||||||
|
********************************************************************************************/
|
||||||
|
|
||||||
|
#include "raylib.h"
|
||||||
|
|
||||||
|
#include <stdlib.h> // Required for: free()
|
||||||
|
|
||||||
|
#define NUM_PROCESSES 8
|
||||||
|
|
||||||
|
typedef enum {
|
||||||
|
NONE = 0,
|
||||||
|
COLOR_GRAYSCALE,
|
||||||
|
COLOR_TINT,
|
||||||
|
COLOR_INVERT,
|
||||||
|
COLOR_CONTRAST,
|
||||||
|
COLOR_BRIGHTNESS,
|
||||||
|
FLIP_VERTICAL,
|
||||||
|
FLIP_HORIZONTAL
|
||||||
|
} ImageProcess;
|
||||||
|
|
||||||
|
static const char *processText[] = {
|
||||||
|
"NO PROCESSING",
|
||||||
|
"COLOR GRAYSCALE",
|
||||||
|
"COLOR TINT",
|
||||||
|
"COLOR INVERT",
|
||||||
|
"COLOR CONTRAST",
|
||||||
|
"COLOR BRIGHTNESS",
|
||||||
|
"FLIP VERTICAL",
|
||||||
|
"FLIP HORIZONTAL"
|
||||||
|
};
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
// Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
int screenWidth = 800;
|
||||||
|
int screenHeight = 450;
|
||||||
|
|
||||||
|
InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing");
|
||||||
|
|
||||||
|
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
|
||||||
|
|
||||||
|
Image image = LoadImage("resources/parrots.png"); // Loaded in CPU memory (RAM)
|
||||||
|
ImageFormat(&image, UNCOMPRESSED_R8G8B8A8); // Format image to RGBA 32bit (required for texture update)
|
||||||
|
Texture2D texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (VRAM)
|
||||||
|
|
||||||
|
int currentProcess = NONE;
|
||||||
|
bool textureReload = false;
|
||||||
|
|
||||||
|
Rectangle selectRecs[NUM_PROCESSES];
|
||||||
|
|
||||||
|
for (int i = 0; i < NUM_PROCESSES; i++) selectRecs[i] = (Rectangle){ 40, 50 + 32*i, 150, 30 };
|
||||||
|
|
||||||
|
SetTargetFPS(60);
|
||||||
|
//---------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Main game loop
|
||||||
|
while (!WindowShouldClose()) // Detect window close button or ESC key
|
||||||
|
{
|
||||||
|
// Update
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
if (IsKeyPressed(KEY_DOWN))
|
||||||
|
{
|
||||||
|
currentProcess++;
|
||||||
|
if (currentProcess > 7) currentProcess = 0;
|
||||||
|
textureReload = true;
|
||||||
|
}
|
||||||
|
else if (IsKeyPressed(KEY_UP))
|
||||||
|
{
|
||||||
|
currentProcess--;
|
||||||
|
if (currentProcess < 0) currentProcess = 7;
|
||||||
|
textureReload = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (textureReload)
|
||||||
|
{
|
||||||
|
UnloadImage(image); // Unload current image data
|
||||||
|
image = LoadImage("resources/parrots.png"); // Re-load image data
|
||||||
|
|
||||||
|
// NOTE: Image processing is a costly CPU process to be done every frame,
|
||||||
|
// If image processing is required in a frame-basis, it should be done
|
||||||
|
// with a texture and by shaders
|
||||||
|
switch (currentProcess)
|
||||||
|
{
|
||||||
|
case COLOR_GRAYSCALE: ImageColorGrayscale(&image); break;
|
||||||
|
case COLOR_TINT: ImageColorTint(&image, GREEN); break;
|
||||||
|
case COLOR_INVERT: ImageColorInvert(&image); break;
|
||||||
|
case COLOR_CONTRAST: ImageColorContrast(&image, -40); break;
|
||||||
|
case COLOR_BRIGHTNESS: ImageColorBrightness(&image, -80); break;
|
||||||
|
case FLIP_VERTICAL: ImageFlipVertical(&image); break;
|
||||||
|
case FLIP_HORIZONTAL: ImageFlipHorizontal(&image); break;
|
||||||
|
default: break;
|
||||||
|
}
|
||||||
|
|
||||||
|
Color *pixels = GetImageData(image); // Get pixel data from image (RGBA 32bit)
|
||||||
|
UpdateTexture(texture, pixels); // Update texture with new image data
|
||||||
|
free(pixels); // Unload pixels data from RAM
|
||||||
|
|
||||||
|
textureReload = false;
|
||||||
|
}
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
// Draw
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
BeginDrawing();
|
||||||
|
|
||||||
|
ClearBackground(RAYWHITE);
|
||||||
|
|
||||||
|
DrawText("IMAGE PROCESSING:", 40, 30, 10, DARKGRAY);
|
||||||
|
|
||||||
|
// Draw rectangles
|
||||||
|
for (int i = 0; i < NUM_PROCESSES; i++)
|
||||||
|
{
|
||||||
|
if (i == currentProcess)
|
||||||
|
{
|
||||||
|
DrawRectangleRec(selectRecs[i], SKYBLUE);
|
||||||
|
DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, BLUE);
|
||||||
|
DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKBLUE);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
DrawRectangleRec(selectRecs[i], LIGHTGRAY);
|
||||||
|
DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, GRAY);
|
||||||
|
DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKGRAY);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
DrawTexture(texture, screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, WHITE);
|
||||||
|
DrawRectangleLines(screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, texture.width, texture.height, BLACK);
|
||||||
|
|
||||||
|
EndDrawing();
|
||||||
|
//----------------------------------------------------------------------------------
|
||||||
|
}
|
||||||
|
|
||||||
|
// De-Initialization
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
UnloadTexture(texture); // Unload texture from VRAM
|
||||||
|
UnloadImage(image); // Unload image from RAM
|
||||||
|
|
||||||
|
CloseWindow(); // Close window and OpenGL context
|
||||||
|
//--------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
BIN
examples/textures_image_processing.png
Normal file
BIN
examples/textures_image_processing.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 253 KiB |
Loading…
Reference in New Issue
Block a user