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Include crash/desync log contents in PNG screenshots

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This commit is contained in:
Jonathan G Rennison
2019-05-21 00:52:37 +01:00
parent e64706d147
commit 951a50ddd9
5 changed files with 28 additions and 3 deletions
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19
src/screenshot.cpp
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@@ -40,6 +40,15 @@ uint _cur_screenshot_format; ///< Index of the currently selected scree
static char _screenshot_name[128]; ///< Filename of the screenshot file.
char _full_screenshot_name[MAX_PATH]; ///< Pathname of the screenshot file.
static const char *_screenshot_aux_text_key = nullptr;
static const char *_screenshot_aux_text_value = nullptr;
void SetScreenshotAuxiliaryText(const char *key, const char *value)
{
_screenshot_aux_text_key = key;
_screenshot_aux_text_value = value;
}
/**
* Callback function signature for generating lines of pixel data to be written to the screenshot file.
* @param userdata Pointer to user data.
@@ -303,7 +312,7 @@ static bool MakePNGImage(const char *name, ScreenshotCallback *callb, void *user
#ifdef PNG_TEXT_SUPPORTED
/* Try to add some game metadata to the PNG screenshot so
* it's more useful for debugging and archival purposes. */
png_text_struct text[2];
png_text_struct text[3];
memset(text, 0, sizeof(text));
text[0].key = const_cast<char *>("Software");
text[0].text = const_cast<char *>(_openttd_revision);
@@ -332,7 +341,13 @@ static bool MakePNGImage(const char *name, ScreenshotCallback *callb, void *user
text[1].text = buf;
text[1].text_length = p - buf;
text[1].compression = PNG_TEXT_COMPRESSION_zTXt;
png_set_text(png_ptr, info_ptr, text, 2);
if (_screenshot_aux_text_key && _screenshot_aux_text_value) {
text[2].key = const_cast<char *>(_screenshot_aux_text_key);
text[2].text = const_cast<char *>(_screenshot_aux_text_value);
text[2].text_length = strlen(_screenshot_aux_text_value);
text[2].compression = PNG_TEXT_COMPRESSION_zTXt;
}
png_set_text(png_ptr, info_ptr, text, _screenshot_aux_text_key && _screenshot_aux_text_value ? 3 : 2);
#endif /* PNG_TEXT_SUPPORTED */
if (pixelformat == 8) {