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Support screenshots and GIF capturing on Android and Web

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This commit is contained in:
raysan5 2019-01-05 18:03:09 +01:00
parent 490e930665
commit a41cc08f9b
1 changed files with 53 additions and 25 deletions
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74
src/core.c
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@ -311,7 +311,7 @@ extern EGLNativeWindowType uwpWindow; // Native EGL window handler for
static struct android_app *androidApp; // Android activity static struct android_app *androidApp; // Android activity
static struct android_poll_source *source; // Android events polling source static struct android_poll_source *source; // Android events polling source
static int ident, events; // Android ALooper_pollAll() variables static int ident, events; // Android ALooper_pollAll() variables
static const char *internalDataPath; // Android internal data path to write data (/data/data/<package>/files) static const char *internalDataPath = NULL; // Android internal data path to write data (/data/data/<package>/files)
static bool appEnabled = true; // Used to detec if app is active static bool appEnabled = true; // Used to detec if app is active
static bool contextRebindRequired = false; // Used to know context rebind required static bool contextRebindRequired = false; // Used to know context rebind required
@ -1473,17 +1473,32 @@ void SetConfigFlags(unsigned char flags)
// NOTE TraceLog() function is located in [utils.h] // NOTE TraceLog() function is located in [utils.h]
// Takes a screenshot of current screen (saved a .png) // Takes a screenshot of current screen (saved a .png)
// NOTE: This function could work in any platform but some platforms: PLATFORM_ANDROID and PLATFORM_WEB
// have their own internal file-systems, to dowload image to user file-system some additional mechanism is required
void TakeScreenshot(const char *fileName) void TakeScreenshot(const char *fileName)
{ {
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
unsigned char *imgData = rlReadScreenPixels(renderWidth, renderHeight); unsigned char *imgData = rlReadScreenPixels(renderWidth, renderHeight);
Image image = { imgData, renderWidth, renderHeight, 1, UNCOMPRESSED_R8G8B8A8 }; Image image = { imgData, renderWidth, renderHeight, 1, UNCOMPRESSED_R8G8B8A8 };
ExportImage(image, fileName);
char path[512] = { 0 };
#if defined(PLATFORM_ANDROID)
strcpy(path, internalDataPath);
strcat(path, "/");
strcat(path, fileName);
#else
strcpy(path, fileName);
#endif
ExportImage(image, path);
free(imgData); free(imgData);
TraceLog(LOG_INFO, "Screenshot taken: %s", fileName); #if defined(PLATFORM_WEB)
// Download file from MEMFS (emscripten memory filesystem)
// SaveFileFromMEMFSToDisk() function is defined in raylib/templates/web_shel/shell.html
emscripten_run_script(TextFormat("SaveFileFromMEMFSToDisk('%s','%s')", GetFileName(path), GetFileName(path)));
#endif #endif
TraceLog(LOG_INFO, "Screenshot taken: %s", path);
} }
// Check if the file exists // Check if the file exists
@ -1492,11 +1507,10 @@ bool FileExists(const char *fileName)
bool result = false; bool result = false;
#if defined(_WIN32) #if defined(_WIN32)
if (_access(fileName, 0) != -1) if (_access(fileName, 0) != -1) result = true;
#else #else
if (access(fileName, F_OK) != -1) if (access(fileName, F_OK) != -1) result = true;
#endif #endif
result = true;
return result; return result;
} }
@ -1509,7 +1523,7 @@ bool IsFileExtension(const char *fileName, const char *ext)
if ((fileExt = strrchr(fileName, '.')) != NULL) if ((fileExt = strrchr(fileName, '.')) != NULL)
{ {
#if defined(_WIN32) #if defined(_WIN32)
result = true; result = true;
int extLen = strlen(ext); int extLen = strlen(ext);
@ -1525,9 +1539,9 @@ bool IsFileExtension(const char *fileName, const char *ext)
} }
} }
else result = false; else result = false;
#else #else
if (strcmp(fileExt, ext) == 0) result = true; if (strcmp(fileExt, ext) == 0) result = true;
#endif #endif
} }
return result; return result;
@ -1729,7 +1743,7 @@ void StorageSaveValue(int position, int value)
{ {
FILE *storageFile = NULL; FILE *storageFile = NULL;
char path[128]; char path[512] = { 0 };
#if defined(PLATFORM_ANDROID) #if defined(PLATFORM_ANDROID)
strcpy(path, internalDataPath); strcpy(path, internalDataPath);
strcat(path, "/"); strcat(path, "/");
@ -1769,7 +1783,7 @@ int StorageLoadValue(int position)
{ {
int value = 0; int value = 0;
char path[128]; char path[512] = { 0 };
#if defined(PLATFORM_ANDROID) #if defined(PLATFORM_ANDROID)
strcpy(path, internalDataPath); strcpy(path, internalDataPath);
strcat(path, "/"); strcat(path, "/");
@ -1814,7 +1828,9 @@ void OpenURL(const char *url)
if (strchr(url, '\'') != NULL) if (strchr(url, '\'') != NULL)
{ {
TraceLog(LOG_WARNING, "Provided URL does not seem to be valid."); TraceLog(LOG_WARNING, "Provided URL does not seem to be valid.");
} else { }
else
{
char *cmd = calloc(strlen(url) + 10, sizeof(char)); char *cmd = calloc(strlen(url) + 10, sizeof(char));
#if defined(_WIN32) #if defined(_WIN32)
@ -3158,10 +3174,9 @@ static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, i
// NOTE: Before closing window, while loop must be left! // NOTE: Before closing window, while loop must be left!
} }
#if defined(PLATFORM_DESKTOP)
else if (key == GLFW_KEY_F12 && action == GLFW_PRESS) else if (key == GLFW_KEY_F12 && action == GLFW_PRESS)
{ {
#if defined(SUPPORT_GIF_RECORDING) #if defined(SUPPORT_GIF_RECORDING)
if (mods == GLFW_MOD_CONTROL) if (mods == GLFW_MOD_CONTROL)
{ {
if (gifRecording) if (gifRecording)
@ -3169,6 +3184,12 @@ static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, i
GifEnd(); GifEnd();
gifRecording = false; gifRecording = false;
#if defined(PLATFORM_WEB)
// Download file from MEMFS (emscripten memory filesystem)
// SaveFileFromMEMFSToDisk() function is defined in raylib/templates/web_shel/shell.html
emscripten_run_script(TextFormat("SaveFileFromMEMFSToDisk('%s','%s')", TextFormat("screenrec%03i.gif", screenshotCounter - 1), TextFormat("screenrec%03i.gif", screenshotCounter - 1)));
#endif
TraceLog(LOG_INFO, "End animated GIF recording"); TraceLog(LOG_INFO, "End animated GIF recording");
} }
else else
@ -3176,24 +3197,31 @@ static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, i
gifRecording = true; gifRecording = true;
gifFramesCounter = 0; gifFramesCounter = 0;
char path[512] = { 0 };
#if defined(PLATFORM_ANDROID)
strcpy(path, internalDataPath);
strcat(path, TextFormat("/screenrec%03i.gif", screenshotCounter));
#else
strcpy(path, TextFormat("/screenrec%03i.gif", screenshotCounter));
#endif
// NOTE: delay represents the time between frames in the gif, if we capture a gif frame every // NOTE: delay represents the time between frames in the gif, if we capture a gif frame every
// 10 game frames and each frame trakes 16.6ms (60fps), delay between gif frames should be ~16.6*10. // 10 game frames and each frame trakes 16.6ms (60fps), delay between gif frames should be ~16.6*10.
GifBegin(TextFormat("screenrec%03i.gif", screenshotCounter), screenWidth, screenHeight, (int)(GetFrameTime()*10.0f), 8, false); GifBegin(path, screenWidth, screenHeight, (int)(GetFrameTime()*10.0f), 8, false);
screenshotCounter++; screenshotCounter++;
TraceLog(LOG_INFO, "Begin animated GIF recording: %s", TextFormat("screenrec%03i.gif", screenshotCounter)); TraceLog(LOG_INFO, "Begin animated GIF recording: %s", TextFormat("screenrec%03i.gif", screenshotCounter));
} }
} }
else else
#endif // SUPPORT_GIF_RECORDING #endif // SUPPORT_GIF_RECORDING
#if defined(SUPPORT_SCREEN_CAPTURE) #if defined(SUPPORT_SCREEN_CAPTURE)
{ {
TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter));
screenshotCounter++; screenshotCounter++;
} }
#endif // SUPPORT_SCREEN_CAPTURE #endif // SUPPORT_SCREEN_CAPTURE
} }
#endif // PLATFORM_DESKTOP
else else
{ {
currentKeyState[key] = action; currentKeyState[key] = action;
@ -3375,11 +3403,11 @@ static void AndroidCommandCallback(struct android_app *app, int32_t cmd)
// Init hi-res timer // Init hi-res timer
InitTimer(); InitTimer();
#if defined(SUPPORT_DEFAULT_FONT) #if defined(SUPPORT_DEFAULT_FONT)
// Load default font // Load default font
// NOTE: External function (defined in module: text) // NOTE: External function (defined in module: text)
LoadDefaultFont(); LoadDefaultFont();
#endif #endif
// TODO: GPU assets reload in case of lost focus (lost context) // TODO: GPU assets reload in case of lost focus (lost context)
// NOTE: This problem has been solved just unbinding and rebinding context from display // NOTE: This problem has been solved just unbinding and rebinding context from display