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Win32: display.c: Make initDisplay use the same API as getAvailableDisplayModes

This commit is contained in:
Elias Naur 2005-12-27 11:21:46 +00:00
parent 7861e281c3
commit 6aed933999
1 changed files with 9 additions and 19 deletions
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28
src/native/win32/display.c
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@ -200,38 +200,28 @@ void setGammaRamp(JNIEnv * env, jobject gammaRampBuffer)
jobject initDisplay(JNIEnv * env)
{
int width;
int height;
int bpp;
int freq;
jclass jclass_DisplayMode;
jmethodID ctor;
DEVMODE devmode;
jobject newMode;
// Determine the current screen resolution
LONG cdsret;
// Get the screen
HDC screenDC = GetDC(NULL);
if (!screenDC) {
throwException(env, "Couldn't get screen DC!");
return NULL;
}
// Get the device caps
width = GetDeviceCaps(screenDC, HORZRES);
height = GetDeviceCaps(screenDC, VERTRES);
bpp = GetDeviceCaps(screenDC, BITSPIXEL);
freq = GetDeviceCaps(screenDC, VREFRESH);
if (freq <= 1)
freq = 0; // Unknown
jclass_DisplayMode = (*env)->FindClass(env, "org/lwjgl/opengl/DisplayMode");
ctor = (*env)->GetMethodID(env, jclass_DisplayMode, "<init>", "(IIII)V");
newMode = (*env)->NewObject(env, jclass_DisplayMode, ctor, width, height, bpp, freq);
// Get the default gamma ramp
if (GetDeviceGammaRamp(screenDC, originalGamma) == FALSE) {
printfDebugJava(env, "Failed to get initial device gamma");
}
memcpy(currentGamma, originalGamma, sizeof(WORD)*3*GAMMA_SIZE);
ReleaseDC(NULL, screenDC);
if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devmode)) {
throwFormattedException(env, "Couldn't get current display settings (%ld)", GetLastError());
return NULL;
}
newMode = createDisplayMode(env, &devmode);
return newMode;
}