diff options
Diffstat (limited to 'src/screenshot.cpp')
| -rw-r--r-- | src/screenshot.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/screenshot.cpp b/src/screenshot.cpp index 3f0c540e9..30ae18234 100644 --- a/src/screenshot.cpp +++ b/src/screenshot.cpp @@ -206,6 +206,13 @@ static bool MakeBMPImage(const char *name, ScreenshotCallback *callb, void *user #if defined(WITH_PNG) #include <png.h> +#ifdef PNG_TEXT_SUPPORTED +#include "rev.h" +#include "newgrf_config.h" +#include "ai/ai_info.hpp" +#include "company_base.h" +#endif /* PNG_TEXT_SUPPORTED */ + static void PNGAPI png_my_error(png_structp png_ptr, png_const_charp message) { DEBUG(misc, 0, "[libpng] error: %s - %s", message, (const char *)png_get_error_ptr(png_ptr)); @@ -260,6 +267,42 @@ static bool MakePNGImage(const char *name, ScreenshotCallback *callb, void *user png_set_IHDR(png_ptr, info_ptr, w, h, 8, pixelformat == 8 ? PNG_COLOR_TYPE_PALETTE : PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); +#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]; + memset(text, 0, sizeof(text)); + text[0].key = const_cast<char *>("Software"); + text[0].text = const_cast<char *>(_openttd_revision); + text[0].text_length = strlen(_openttd_revision); + text[0].compression = PNG_TEXT_COMPRESSION_NONE; + + char buf[2048]; + char *p = buf; + p = strecpy(p, "NewGRFS:\n", lastof(buf)); + for (const GRFConfig *c = _grfconfig; c != NULL; c = c->next) { + p += seprintf(p, lastof(buf), "%08X ", BSWAP32(c->ident.grfid)); + p = md5sumToString(p, lastof(buf), c->ident.md5sum); + p += seprintf(p, lastof(buf), " %s\n", c->filename); + } + p = strecpy(p, "\nCompanies:\n", lastof(buf)); + const Company *c; + FOR_ALL_COMPANIES(c) { + if (c->ai_info == NULL) { + p += seprintf(p, lastof(buf), "%2i: Human\n", (int)c->index); + } else { +#ifdef ENABLE_AI + p += seprintf(p, lastof(buf), "%2i: %s (v%d)\n", (int)c->index, c->ai_info->GetName(), c->ai_info->GetVersion()); +#endif /* ENABLE_AI */ + } + } + text[1].key = const_cast<char *>("Description"); + 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); +#endif /* PNG_TEXT_SUPPORTED */ + if (pixelformat == 8) { /* convert the palette to the .PNG format. */ for (i = 0; i != 256; i++) { |