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Improved data export capabilities!

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REVIEWED: ExportImage()
REVIEWED: ExportMesh()
ADDED: ExportWave()
REMOVED: Internal funcs: SavePNG(), SaveBMP()

NOTE: These changes break the API (parameters order)
This commit is contained in:
Ray
2018-09-17 16:56:02 +02:00
parent 3a1a489545
commit ec5c9686b3
10 changed files with 158 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/CMakeOptions.txt
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@@ -45,6 +45,7 @@ option(SUPPORT_FONT_TEXTURE "Draw rectangle shapes using font texture white char
option(SUPPORT_QUADS_DRAW_MODE "Use QUADS instead of TRIANGLES for drawing when possible. Some lines-based shapes could still use lines" ON)
# textures.c
option(SUPPORT_IMAGE_EXPORT "Support image exporting to file" ON)
option(SUPPORT_IMAGE_GENERATION "Support procedural image generation functionality (gradient, spot, perlin-noise, cellular)" ON)
option(SUPPORT_FILEFORMAT_PNG "Support loading PNG as textures" ON)
option(SUPPORT_FILEFORMAT_DDS "Support loading DDS as textures" ON)
@@ -72,8 +73,6 @@ option(SUPPORT_FILEFORMAT_MOD "Support loading MOD for sound" ON)
option(SUPPORT_FILEFORMAT_FLAC "Support loading FLAC for sound" ${OFF})
# utils.c
option(SUPPORT_SAVE_PNG "Support saving image data in PNG file format" ON)
option(SUPPORT_SAVE_BMP "Support saving image data in BMP file format" ${OFF})
option(SUPPORT_TRACELOG "Show TraceLog() output messages. NOTE: By default LOG_DEBUG traces not shown" ON)
option(SUPPORT_FILEFORMAT_FNT "Support loading fonts in FNT format" ON)

83
src/audio.c
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@@ -1049,6 +1049,89 @@ void UpdateSound(Sound sound, const void *data, int samplesCount)
#endif
}
// Export wave data to file
void ExportWave(Wave wave, const char *fileName)
{
bool success = false;
if (IsFileExtension(fileName, ".wav"))
{
// Basic WAV headers structs
typedef struct {
char chunkID[4];
int chunkSize;
char format[4];
} RiffHeader;
typedef struct {
char subChunkID[4];
int subChunkSize;
short audioFormat;
short numChannels;
int sampleRate;
int byteRate;
short blockAlign;
short bitsPerSample;
} WaveFormat;
typedef struct {
char subChunkID[4];
int subChunkSize;
} WaveData;
RiffHeader riffHeader;
WaveFormat waveFormat;
WaveData waveData;
// Fill structs with data
riffHeader.chunkID[0] = 'R';
riffHeader.chunkID[1] = 'I';
riffHeader.chunkID[2] = 'F';
riffHeader.chunkID[3] = 'F';
riffHeader.chunkSize = 44 - 4 + wave.sampleCount*wave.sampleSize/8;
riffHeader.format[0] = 'W';
riffHeader.format[1] = 'A';
riffHeader.format[2] = 'V';
riffHeader.format[3] = 'E';
waveFormat.subChunkID[0] = 'f';
waveFormat.subChunkID[1] = 'm';
waveFormat.subChunkID[2] = 't';
waveFormat.subChunkID[3] = ' ';
waveFormat.subChunkSize = 16;
waveFormat.audioFormat = 1;
waveFormat.numChannels = wave.channels;
waveFormat.sampleRate = wave.sampleRate;
waveFormat.byteRate = wave.sampleRate*wave.sampleSize/8;
waveFormat.blockAlign = wave.sampleSize/8;
waveFormat.bitsPerSample = wave.sampleSize;
waveData.subChunkID[0] = 'd';
waveData.subChunkID[1] = 'a';
waveData.subChunkID[2] = 't';
waveData.subChunkID[3] = 'a';
waveData.subChunkSize = wave.sampleCount*wave.channels*wave.sampleSize/8;
FILE *wavFile = fopen(fileName, "wb");
if (wavFile == NULL) return;
fwrite(&riffHeader, 1, sizeof(RiffHeader), wavFile);
fwrite(&waveFormat, 1, sizeof(WaveFormat), wavFile);
fwrite(&waveData, 1, sizeof(WaveData), wavFile);
fwrite(wave.data, 1, wave.sampleCount*wave.channels*wave.sampleSize/8, wavFile);
fclose(wavFile);
success = true;
}
else if (IsFileExtension(fileName, ".raw")) { } // TODO: Support additional file formats to export wave sample data
if (success) TraceLog(LOG_INFO, "Wave exported successfully: %s", fileName);
else TraceLog(LOG_WARNING, "Wave could not be exported.");
}
// Play a sound
void PlaySound(Sound sound)
{

6
src/config.h
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@@ -86,6 +86,8 @@
//#define SUPPORT_FILEFORMAT_PKM 1
//#define SUPPORT_FILEFORMAT_PVR 1
// Support image export functionality (.png, .bmp, .tga, .jpg)
#define SUPPORT_IMAGE_EXPORT
// Support multiple image editing functions to scale, adjust colors, flip, draw on images, crop...
// If not defined only three image editing functions supported: ImageFormat(), ImageAlphaMask(), ImageToPOT()
#define SUPPORT_IMAGE_MANIPULATION 1
@@ -133,10 +135,6 @@
// Show TraceLog() output messages
// NOTE: By default LOG_DEBUG traces not shown
#define SUPPORT_TRACELOG 1
// Support saving image data fileformats
// NOTE: Requires stb_image_write library
#define SUPPORT_SAVE_PNG 1
//#define SUPPORT_SAVE_BMP 1
#endif //defined(RAYLIB_CMAKE)

4
src/core.c
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@@ -1297,7 +1297,9 @@ void TakeScreenshot(const char *fileName)
{
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
unsigned char *imgData = rlReadScreenPixels(renderWidth, renderHeight);
SavePNG(fileName, imgData, renderWidth, renderHeight, 4); // Save image as PNG
Image image = { imgData, renderWidth, renderHeight, 1, UNCOMPRESSED_R8G8B8A8 };
ExportImage(image, fileName);
free(imgData);
TraceLog(LOG_INFO, "Screenshot taken: %s", fileName);

77
src/models.c
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@@ -664,45 +664,54 @@ void UnloadMesh(Mesh *mesh)
rlUnloadMesh(mesh);
}
// Export mesh as an OBJ file
void ExportMesh(const char *fileName, Mesh mesh)
// Export mesh data to file
void ExportMesh(Mesh mesh, const char *fileName)
{
FILE *objFile = fopen(fileName, "wt");
bool success = false;
fprintf(objFile, "# raylib Mesh OBJ exporter v1.0\n\n");
fprintf(objFile, "# Mesh exported as triangle faces and not optimized.\n");
fprintf(objFile, "# Vertex Count: %i\n", mesh.vertexCount);
fprintf(objFile, "# Triangle Count: %i\n\n", mesh.triangleCount);
fprintf(objFile, "# LICENSE: zlib/libpng\n");
fprintf(objFile, "# Copyright (c) 2018 Ramon Santamaria (@raysan5)\n\n");
fprintf(objFile, "g mesh\n");
for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 3)
if (IsFileExtension(fileName, ".obj"))
{
fprintf(objFile, "v %.2f %.2f %.2f\n", mesh.vertices[v], mesh.vertices[v + 1], mesh.vertices[v + 2]);
FILE *objFile = fopen(fileName, "wt");
fprintf(objFile, "# raylib Mesh OBJ exporter v1.0\n\n");
fprintf(objFile, "# Mesh exported as triangle faces and not optimized.\n");
fprintf(objFile, "# Vertex Count: %i\n", mesh.vertexCount);
fprintf(objFile, "# Triangle Count: %i\n\n", mesh.triangleCount);
fprintf(objFile, "# LICENSE: zlib/libpng\n");
fprintf(objFile, "# Copyright (c) 2018 Ramon Santamaria (@raysan5)\n\n");
fprintf(objFile, "g mesh\n");
for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 3)
{
fprintf(objFile, "v %.2f %.2f %.2f\n", mesh.vertices[v], mesh.vertices[v + 1], mesh.vertices[v + 2]);
}
for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 2)
{
fprintf(objFile, "vt %.2f %.2f\n", mesh.texcoords[v], mesh.texcoords[v + 1]);
}
for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 3)
{
fprintf(objFile, "vn %.2f %.2f %.2f\n", mesh.normals[v], mesh.normals[v + 1], mesh.normals[v + 2]);
}
for (int i = 0; i < mesh.triangleCount; i += 3)
{
fprintf(objFile, "f %i/%i/%i %i/%i/%i %i/%i/%i\n", i, i, i, i + 1, i + 1, i + 1, i + 2, i + 2, i + 2);
}
fprintf(objFile, "\n");
fclose(objFile);
success = true;
}
for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 2)
{
fprintf(objFile, "vt %.2f %.2f\n", mesh.texcoords[v], mesh.texcoords[v + 1]);
}
for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 3)
{
fprintf(objFile, "vn %.2f %.2f %.2f\n", mesh.normals[v], mesh.normals[v + 1], mesh.normals[v + 2]);
}
for (int i = 0; i < mesh.triangleCount; i += 3)
{
fprintf(objFile, "f %i/%i/%i %i/%i/%i %i/%i/%i\n", i, i, i, i + 1, i + 1, i + 1, i + 2, i + 2, i + 2);
}
fprintf(objFile, "\n");
fclose(objFile);
else if (IsFileExtension(fileName, ".raw")) { } // TODO: Support additional file formats to export mesh vertex data
TraceLog(LOG_INFO, "Mesh saved: %s", fileName);
if (success) TraceLog(LOG_INFO, "Mesh exported successfully: %s", fileName);
else TraceLog(LOG_WARNING, "Mesh could not be exported.");
}
#if defined(SUPPORT_MESH_GENERATION)

5
src/raylib.h
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@@ -988,7 +988,7 @@ RLAPI Image LoadImage(const char *fileName);
RLAPI Image LoadImageEx(Color *pixels, int width, int height); // Load image from Color array data (RGBA - 32bit)
RLAPI Image LoadImagePro(void *data, int width, int height, int format); // Load image from raw data with parameters
RLAPI Image LoadImageRaw(const char *fileName, int width, int height, int format, int headerSize); // Load image from RAW file data
RLAPI void ExportImage(const char *fileName, Image image); // Export image as a PNG file
RLAPI void ExportImage(Image image, const char *fileName); // Export image data to file
RLAPI Texture2D LoadTexture(const char *fileName); // Load texture from file into GPU memory (VRAM)
RLAPI Texture2D LoadTextureFromImage(Image image); // Load texture from image data
RLAPI RenderTexture2D LoadRenderTexture(int width, int height); // Load texture for rendering (framebuffer)
@@ -1113,7 +1113,7 @@ RLAPI void UnloadModel(Model model);
// Mesh loading/unloading functions
RLAPI Mesh LoadMesh(const char *fileName); // Load mesh from file
RLAPI void UnloadMesh(Mesh *mesh); // Unload mesh from memory (RAM and/or VRAM)
RLAPI void ExportMesh(const char *fileName, Mesh mesh); // Export mesh as an OBJ file
RLAPI void ExportMesh(Mesh mesh, const char *fileName); // Export mesh data to file
// Mesh manipulation functions
RLAPI BoundingBox MeshBoundingBox(Mesh mesh); // Compute mesh bounding box limits
@@ -1221,6 +1221,7 @@ RLAPI Sound LoadSoundFromWave(Wave wave); // Load so
RLAPI void UpdateSound(Sound sound, const void *data, int samplesCount);// Update sound buffer with new data
RLAPI void UnloadWave(Wave wave); // Unload wave data
RLAPI void UnloadSound(Sound sound); // Unload sound
RLAPI void ExportWave(Wave wave, const char *fileName); // Export wave data to file
// Wave/Sound management functions
RLAPI void PlaySound(Sound sound); // Play a sound

3
src/text.c
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@@ -86,9 +86,6 @@ static Font LoadImageFont(Image image, Color key, int firstChar); // Load a Imag
#if defined(SUPPORT_FILEFORMAT_FNT)
static Font LoadBMFont(const char *fileName); // Load a BMFont file (AngelCode font file)
#endif
#if defined(SUPPORT_FILEFORMAT_TTF)
//static Font LoadTTF(const char *fileName, int fontSize, int charsCount, int *fontChars); // Load spritefont from TTF data
#endif
#if defined(SUPPORT_DEFAULT_FONT)
extern void LoadDefaultFont(void);

28
src/textures.c
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@@ -19,6 +19,9 @@
* Selecte desired fileformats to be supported for image data loading. Some of those formats are
* supported by default, to remove support, just comment unrequired #define in this module
*
* #define SUPPORT_IMAGE_EXPORT
* Support image export in multiple file formats
*
* #define SUPPORT_IMAGE_MANIPULATION
* Support multiple image editing functions to scale, adjust colors, flip, draw on images, crop...
* If not defined only three image editing functions supported: ImageFormat(), ImageAlphaMask(), ImageToPOT()
@@ -103,6 +106,11 @@
// NOTE: Used to read image data (multiple formats support)
#endif
#if defined(SUPPORT_IMAGE_EXPORT)
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "external/stb_image_write.h" // Required for: stbi_write_bmp(), stbi_write_png()
#endif
#if defined(SUPPORT_IMAGE_MANIPULATION)
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#include "external/stb_image_resize.h" // Required for: stbir_resize_uint8()
@@ -706,15 +714,25 @@ void UpdateTexture(Texture2D texture, const void *pixels)
rlUpdateTexture(texture.id, texture.width, texture.height, texture.format, pixels);
}
// Export image as a PNG file
void ExportImage(const char *fileName, Image image)
// Export image data to file
// NOTE: File format depends on fileName extension
void ExportImage(Image image, const char *fileName)
{
int success = 0;
// NOTE: Getting Color array as RGBA unsigned char values
unsigned char *imgData = (unsigned char *)GetImageData(image);
// NOTE: SavePNG() not supported by some platforms: PLATFORM_WEB, PLATFORM_ANDROID
SavePNG(fileName, imgData, image.width, image.height, 4);
if (IsFileExtension(fileName, ".png")) success = stbi_write_png(fileName, image.width, image.height, 4, imgData, image.width*4);
else if (IsFileExtension(fileName, ".bmp")) success = stbi_write_bmp(fileName, image.width, image.height, 4, imgData);
else if (IsFileExtension(fileName, ".tga")) success = stbi_write_tga(fileName, image.width, image.height, 4, imgData);
else if (IsFileExtension(fileName, ".jpg")) success = stbi_write_jpg(fileName, image.width, image.height, 4, imgData, 80); // Between 1 and 100
else if (IsFileExtension(fileName, ".raw")) { } // TODO: Export raw pixel data
else if (IsFileExtension(fileName, ".h")) { } // TODO: Export pixel data as an array of bytes
if (success != 0) TraceLog(LOG_INFO, "Image exported successfully: %s", fileName);
else TraceLog(LOG_WARNING, "Image could not be exported.");
free(imgData);
}

35
src/utils.c
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@@ -4,21 +4,10 @@
*
* CONFIGURATION:
*
* #define SUPPORT_SAVE_PNG (defined by default)
* Support saving image data as PNG fileformat
* NOTE: Requires stb_image_write library
*
* #define SUPPORT_SAVE_BMP
* Support saving image data as BMP fileformat
* NOTE: Requires stb_image_write library
*
* #define SUPPORT_TRACELOG
* Show TraceLog() output messages
* NOTE: By default LOG_DEBUG traces not shown
*
* DEPENDENCIES:
* stb_image_write - BMP/PNG writting functions
*
*
* LICENSE: zlib/libpng
*
@@ -62,12 +51,6 @@ FILE *funopen(const void *cookie, int (*readfn)(void *, char *, int),
int (*writefn)(void *, const char *, int),
fpos_t (*seekfn)(void *, fpos_t, int), int (*closefn)(void *));
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "external/stb_image_write.h" // Required for: stbi_write_bmp(), stbi_write_png()
#endif
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
@@ -160,24 +143,6 @@ void TraceLog(int msgType, const char *text, ...)
#endif // SUPPORT_TRACELOG
}
// Creates a BMP image file from an array of pixel data
void SaveBMP(const char *fileName, unsigned char *imgData, int width, int height, int compSize)
{
#if defined(SUPPORT_SAVE_BMP) && (defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI))
stbi_write_bmp(fileName, width, height, compSize, imgData);
TraceLog(LOG_INFO, "BMP Image saved: %s", fileName);
#endif
}
// Creates a PNG image file from an array of pixel data
void SavePNG(const char *fileName, unsigned char *imgData, int width, int height, int compSize)
{
#if defined(SUPPORT_SAVE_PNG) && (defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI))
stbi_write_png(fileName, width, height, compSize, imgData, width*compSize);
TraceLog(LOG_INFO, "PNG Image saved: %s", fileName);
#endif
}
// Keep track of memory allocated
// NOTE: mallocType defines the type of data allocated
/*

11
src/utils.h
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@@ -32,10 +32,6 @@
#include <android/asset_manager.h> // Required for: AAssetManager
#endif
#ifndef SUPPORT_SAVE_PNG
#define SUPPORT_SAVE_PNG 1
#endif
//----------------------------------------------------------------------------------
// Some basic Defines
//----------------------------------------------------------------------------------
@@ -58,13 +54,6 @@ extern "C" { // Prevents name mangling of functions
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
#if defined(SUPPORT_SAVE_BMP)
void SaveBMP(const char *fileName, unsigned char *imgData, int width, int height, int compSize);
#endif
#if defined(SUPPORT_SAVE_PNG)
void SavePNG(const char *fileName, unsigned char *imgData, int width, int height, int compSize);
#endif
#if defined(PLATFORM_ANDROID)
void InitAssetManager(AAssetManager *manager); // Initialize asset manager from android app
FILE *android_fopen(const char *fileName, const char *mode); // Replacement for fopen()