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src/java.desktop/unix/native/libsplashscreen/splashscreen_sys.c

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*** 800,806 **** --- 800,845 ---- SPLASHEXPORT char* SplashGetScaledImageName(const char* jarName, const char* fileName, float *scaleFactor) { *scaleFactor = 1; + #ifndef __linux__ + return NULL; + #endif + *scaleFactor = getNativeScaleFactor("GDK_SCALE"); + if (*scaleFactor == 2.0) { + char *scaledImgName = NULL; + size_t length = 0; + char *stringToAppend = ".java-scale2x"; + char *dupFileName = strdup(fileName); + char *fileExtension = strrchr(dupFileName, '.'); + + if (fileExtension == NULL) { + length = strlen(dupFileName) + strlen(stringToAppend) + 1; + scaledImgName = SAFE_SIZE_ARRAY_ALLOC(malloc, length, sizeof (char)); + snprintf(scaledImgName, length, "%s%s", + dupFileName, stringToAppend); + } else { + length = fileExtension - dupFileName + 1; + char *fileNameWithoutExt = SAFE_SIZE_ARRAY_ALLOC(malloc, length, sizeof (char)); + memcpy(fileNameWithoutExt, dupFileName, length); + fileNameWithoutExt[length - 1] = '\0'; + length = strlen(fileNameWithoutExt) + + strlen(stringToAppend) + strlen(fileExtension) + 1; + scaledImgName = SAFE_SIZE_ARRAY_ALLOC(malloc, length, sizeof (char)); + snprintf(scaledImgName, length, "%s%s%s", + fileNameWithoutExt, stringToAppend, fileExtension); + free(fileNameWithoutExt); + } + free(dupFileName); + FILE *fp; + if (!(fp = fopen(scaledImgName, "r"))) { + *scaleFactor = 1; + free(scaledImgName); + return NULL; + } + fclose(fp); + return scaledImgName; + } return NULL; } +
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