jboolean
SplashGetScaledImageName(const char* jarName, const char* fileName,
float *scaleFactor, char *scaleImageName,
const size_t scaledImageLength)
{
float dpiScaleX = -1.0f;
float dpiScaleY = -1.0f;
FILE *fp = NULL;
*scaleFactor = 1.0;
GetScreenDpi(getPrimaryMonitor(), &dpiScaleX, &dpiScaleY);
*scaleFactor = dpiScaleX > 0 ? dpiScaleX / 96 : *scaleFactor;
if (*scaleFactor > 1.0) {
char strDpi[BUFF_SIZE];
char *dupFileName = strdup(fileName);
char *fileExtension = strrchr(dupFileName, '.');
char *nameToAppend = ".scale-";
size_t length = 0;
int retVal = 0;
_snprintf(strDpi, BUFF_SIZE, "%d", (int)dpiScaleX);
/*File is missing extension */
if (fileExtension == NULL) {
length = strlen(dupFileName) + strlen(nameToAppend) +
strlen(strDpi) + 1;
if (length > scaledImageLength) {
*scaleFactor = 1;
free(dupFileName);
return JNI_FALSE;
}
retVal = _snprintf(scaleImageName, length, "%s%s%s", dupFileName,
nameToAppend, strDpi);
if (retVal < 0 || (retVal != length - 1)) {
*scaleFactor = 1;
free(dupFileName);
return JNI_FALSE;
}
}
else {
size_t length_Without_Ext = fileExtension - dupFileName;
length = length_Without_Ext + strlen(nameToAppend) + strlen(strDpi) +
strlen(fileExtension) + 1;
if (length > scaledImageLength) {
*scaleFactor = 1;
free(dupFileName);
return JNI_FALSE;
}
retVal = _snprintf(scaleImageName, length, "%.*s%s%s%s",
length_Without_Ext, dupFileName, nameToAppend, strDpi, fileExtension);
if (retVal < 0 || (retVal != length - 1)) {
*scaleFactor = 1;
free(dupFileName);
return JNI_FALSE;
}
}
free(dupFileName);
if (!(fp = fopen(scaleImageName, "r"))) {
*scaleFactor = 1;
return JNI_FALSE;
}
fclose(fp);
return JNI_TRUE;
}
return JNI_FALSE;
}
void TextWindow::ScreenChangeViewToFullScale(int link, uint32_t v) {
SS.GW.scale = GetScreenDpi() / 25.4;
}
