size_t modeBitsPerPixel(CGDisplayModeRef mode)
{
size_t bpp = 0; // no match
// Compare encoding.
CFStringRef pixEnc = CGDisplayModeCopyPixelEncoding(mode);
if(CFStringCompare(pixEnc, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
bpp = 32;
} else if(CFStringCompare(pixEnc, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
bpp = 16;
} else if(CFStringCompare(pixEnc, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
bpp = 8;
}
// Clean up memory.
CFRelease(pixEnc);
return bpp;
}
// Returns depth of screen
int wxDisplayDepth()
{
int theDepth = 0;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
if ( UMAGetSystemVersion() >= 0x1060 )
{
CGDisplayModeRef currentMode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
CFStringRef encoding = CGDisplayModeCopyPixelEncoding(currentMode);
if(CFStringCompare(encoding, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
theDepth = 32;
else if(CFStringCompare(encoding, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
theDepth = 16;
else if(CFStringCompare(encoding, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
theDepth = 8;
else
theDepth = 32; // some reasonable default
CFRelease(encoding);
CGDisplayModeRelease(currentMode);
}
else
#endif
{
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
theDepth = (int) CGDisplayBitsPerPixel(CGMainDisplayID());
#endif
}
return theDepth;
}
void TorcQMLDisplayOSX::RefreshScreenModes(void)
{
if (!m_window)
return;
// release existing modes
if (m_displayModes)
CFRelease(m_displayModes);
m_displayModes = NULL;
m_modes.clear();
// retrieve new list of modes
CGDirectDisplayID display = GetOSXDisplay(m_window->winId());
if (!display)
return;
CGDisplayModeRef current = CGDisplayCopyDisplayMode(display);
m_displayModes = CGDisplayCopyAllDisplayModes(display, NULL);
if (m_displayModes)
{
for (int i = 0; i < CFArrayGetCount(m_displayModes); ++i)
{
CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(m_displayModes, i);
int modewidth = CGDisplayModeGetWidth(mode);
int modeheight = CGDisplayModeGetHeight(mode);
double moderate = CGDisplayModeGetRefreshRate(mode);
// internal OSX displays have 'flexible' refresh rates, with a max of 60Hz - but report 0hz
if (moderate < 0.1f)
moderate = 60.0f;
int32_t flags = CGDisplayModeGetIOFlags(mode);
bool interlaced = flags & kDisplayModeInterlacedFlag;
CFStringRef fmt = CGDisplayModeCopyPixelEncoding(mode);
int depth = DepthFromStringRef(fmt);
CFRelease(fmt);
bool ignore = modewidth != screenPixelSize.width() ||
modeheight != screenPixelSize.height() ||
(flags & kDisplayModeNotGraphicsQualityFlag) ||
!(flags & kDisplayModeSafetyFlags) ||
depth < 32 || moderate < 10.0f || moderate > 121.0f;
LOG(VB_GENERAL, LOG_INFO, QString("Mode %1x%2@%3Hz %4bpp%5%6%7")
.arg(modewidth).arg(modeheight).arg(moderate).arg(depth)
.arg(interlaced ? QString(" Interlaced") : "")
.arg(ignore ? QString(" Ignoring") : "")
.arg(mode == current ? QString(" CURRENT"): ""));
if (!ignore)
{
if (mode == current)
{
setScreenInterlaced(interlaced);
setScreenRefreshRate(moderate);
}
m_modes.append(TorcDisplayMode(modewidth, modeheight, depth, moderate, interlaced, i));
}
}
}
}
static int display_mode_bits_per_pixel(CGDisplayModeRef display_mode)
{
CFStringRef pixel_encoding;
int bits_per_pixel = 0;
pixel_encoding = CGDisplayModeCopyPixelEncoding(display_mode);
if (pixel_encoding)
{
if (CFEqual(pixel_encoding, CFSTR(kIO32BitFloatPixels)))
bits_per_pixel = 128;
else if (CFEqual(pixel_encoding, CFSTR(kIO16BitFloatPixels)))
bits_per_pixel = 64;
else if (CFEqual(pixel_encoding, CFSTR(kIO64BitDirectPixels)))
bits_per_pixel = 64;
else if (CFEqual(pixel_encoding, CFSTR(kIO30BitDirectPixels)))
bits_per_pixel = 30;
else if (CFEqual(pixel_encoding, CFSTR(IO32BitDirectPixels)))
bits_per_pixel = 32;
else if (CFEqual(pixel_encoding, CFSTR(IO16BitDirectPixels)))
bits_per_pixel = 16;
else if (CFEqual(pixel_encoding, CFSTR(IO8BitIndexedPixels)))
bits_per_pixel = 8;
else if (CFEqual(pixel_encoding, CFSTR(IO4BitIndexedPixels)))
bits_per_pixel = 4;
else if (CFEqual(pixel_encoding, CFSTR(IO2BitIndexedPixels)))
bits_per_pixel = 2;
else if (CFEqual(pixel_encoding, CFSTR(IO1BitIndexedPixels)))
bits_per_pixel = 1;
CFRelease(pixel_encoding);
}
return bits_per_pixel;
}
// Search for available resolutions - TODO: Move to Common?
static wxArrayString GetListOfResolutions()
{
wxArrayString retlist;
retlist.Add(_("Auto"));
#ifdef _WIN32
DWORD iModeNum = 0;
DEVMODE dmi;
ZeroMemory(&dmi, sizeof(dmi));
dmi.dmSize = sizeof(dmi);
std::vector<std::string> resos;
while (EnumDisplaySettings(nullptr, iModeNum++, &dmi) != 0)
{
char res[100];
sprintf(res, "%dx%d", dmi.dmPelsWidth, dmi.dmPelsHeight);
std::string strRes(res);
// Only add unique resolutions
if (std::find(resos.begin(), resos.end(), strRes) == resos.end())
{
resos.push_back(strRes);
retlist.Add(StrToWxStr(res));
}
ZeroMemory(&dmi, sizeof(dmi));
}
#elif defined(HAVE_XRANDR) && HAVE_XRANDR
std::vector<std::string> resos;
main_frame->m_XRRConfig->AddResolutions(resos);
for (auto res : resos)
retlist.Add(StrToWxStr(res));
#elif defined(__APPLE__)
CFArrayRef modes = CGDisplayCopyAllDisplayModes(CGMainDisplayID(), nullptr);
for (CFIndex i = 0; i < CFArrayGetCount(modes); i++)
{
std::stringstream res;
CGDisplayModeRef mode;
CFStringRef encoding;
size_t w, h;
bool is32;
mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(modes, i);
w = CGDisplayModeGetWidth(mode);
h = CGDisplayModeGetHeight(mode);
encoding = CGDisplayModeCopyPixelEncoding(mode);
is32 = CFEqual(encoding, CFSTR(IO32BitDirectPixels));
CFRelease(encoding);
if (!is32)
continue;
if (CGDisplayModeGetIOFlags(mode) & kDisplayModeStretchedFlag)
continue;
res << w << "x" << h;
retlist.Add(res.str());
}
CFRelease(modes);
#endif
return retlist;
}
Status GetVideoMode(int* xres, int* yres, int* bpp, int* freq)
{
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
CGDisplayModeRef currentMode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
#else
CFDictionaryRef currentMode = CGDisplayCurrentMode(kCGDirectMainDisplay);
#endif
if(xres)
*xres = (int)CGDisplayPixelsWide(kCGDirectMainDisplay);
if(yres)
*yres = (int)CGDisplayPixelsHigh(kCGDirectMainDisplay);
if(bpp)
{
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
// CGDisplayBitsPerPixel was deprecated in OS X 10.6
CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(currentMode);
if (CFStringCompare(pixelEncoding, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
*bpp = 32;
else if (CFStringCompare(pixelEncoding, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
*bpp = 16;
else if (CFStringCompare(pixelEncoding, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
*bpp = 8;
else // error
*bpp = 0;
// We're responsible for this
CFRelease(pixelEncoding);
#else
CFNumberRef num = (CFNumberRef)CFDictionaryGetValue(currentMode, kCGDisplayBitsPerPixel);
CFNumberGetValue(num, kCFNumberIntType, bpp);
#endif
}
if(freq)
{
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
*freq = (int)CGDisplayModeGetRefreshRate(currentMode);
#else
CFNumberRef num = (CFNumberRef)CFDictionaryGetValue(currentMode, kCGDisplayRefreshRate);
CFNumberGetValue(num, kCFNumberIntType, freq);
#endif
}
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
// We're responsible for this
CGDisplayModeRelease(currentMode);
#endif
return INFO::OK;
}
uint32 OSXWindow::bitDepthFromDisplayMode(CGDisplayModeRef mode)
{
uint32 depth = 0;
CFStringRef pixEnc = CGDisplayModeCopyPixelEncoding(mode);
if(CFStringCompare(pixEnc, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
depth = 32;
else if(CFStringCompare(pixEnc, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
depth = 16;
else if(CFStringCompare(pixEnc, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
depth = 8;
return depth;
}
static CFDictionaryRef create_mode_dict(CGDisplayModeRef display_mode, BOOL is_original)
{
CFDictionaryRef ret;
SInt32 io_flags = CGDisplayModeGetIOFlags(display_mode);
SInt64 width = CGDisplayModeGetWidth(display_mode);
SInt64 height = CGDisplayModeGetHeight(display_mode);
double refresh_rate = CGDisplayModeGetRefreshRate(display_mode);
CFStringRef pixel_encoding = CGDisplayModeCopyPixelEncoding(display_mode);
CFNumberRef cf_io_flags, cf_width, cf_height, cf_refresh;
if (retina_enabled && is_original)
{
width *= 2;
height *= 2;
}
io_flags &= kDisplayModeValidFlag | kDisplayModeSafeFlag | kDisplayModeInterlacedFlag |
kDisplayModeStretchedFlag | kDisplayModeTelevisionFlag;
cf_io_flags = CFNumberCreate(NULL, kCFNumberSInt32Type, &io_flags);
cf_width = CFNumberCreate(NULL, kCFNumberSInt64Type, &width);
cf_height = CFNumberCreate(NULL, kCFNumberSInt64Type, &height);
cf_refresh = CFNumberCreate(NULL, kCFNumberDoubleType, &refresh_rate);
{
static const CFStringRef keys[] = {
CFSTR("io_flags"),
CFSTR("width"),
CFSTR("height"),
CFSTR("pixel_encoding"),
CFSTR("refresh_rate"),
};
const void* values[sizeof(keys) / sizeof(keys[0])] = {
cf_io_flags,
cf_width,
cf_height,
pixel_encoding,
cf_refresh,
};
ret = CFDictionaryCreate(NULL, (const void**)keys, (const void**)values, sizeof(keys) / sizeof(keys[0]),
&kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
}
CFRelease(pixel_encoding);
CFRelease(cf_io_flags);
CFRelease(cf_width);
CFRelease(cf_height);
CFRelease(cf_refresh);
return ret;
}
/**********************************************************************
* device_init
*
* Perform initializations needed upon creation of the first device.
*/
static void device_init(void)
{
CGDirectDisplayID mainDisplay = CGMainDisplayID();
CGSize size_mm = CGDisplayScreenSize(mainDisplay);
CGDisplayModeRef mode = CGDisplayCopyDisplayMode(mainDisplay);
check_retina_status();
/* Initialize device caps */
horz_size = size_mm.width;
vert_size = size_mm.height;
bits_per_pixel = 32;
if (mode)
{
CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);
horz_res = CGDisplayModeGetWidth(mode);
vert_res = CGDisplayModeGetHeight(mode);
if (pixelEncoding)
{
if (CFEqual(pixelEncoding, CFSTR(IO32BitDirectPixels)))
bits_per_pixel = 32;
else if (CFEqual(pixelEncoding, CFSTR(IO16BitDirectPixels)))
bits_per_pixel = 16;
else if (CFEqual(pixelEncoding, CFSTR(IO8BitIndexedPixels)))
bits_per_pixel = 8;
CFRelease(pixelEncoding);
}
CGDisplayModeRelease(mode);
}
else
{
horz_res = CGDisplayPixelsWide(mainDisplay);
vert_res = CGDisplayPixelsHigh(mainDisplay);
}
if (retina_on)
{
horz_res *= 2;
vert_res *= 2;
}
compute_desktop_rect();
desktop_horz_res = desktop_rect.size.width;
desktop_vert_res = desktop_rect.size.height;
device_data_valid = TRUE;
}
static BOOL display_mode_matches_descriptor(CGDisplayModeRef mode, const struct display_mode_descriptor* desc)
{
DWORD mode_io_flags;
double mode_refresh;
CFStringRef mode_pixel_encoding;
if (!desc)
return FALSE;
if (CGDisplayModeGetWidth(mode) != desc->width ||
CGDisplayModeGetHeight(mode) != desc->height)
return FALSE;
mode_io_flags = CGDisplayModeGetIOFlags(mode);
if ((desc->io_flags ^ mode_io_flags) & (kDisplayModeValidFlag | kDisplayModeSafeFlag | kDisplayModeStretchedFlag |
kDisplayModeInterlacedFlag | kDisplayModeTelevisionFlag))
return FALSE;
mode_refresh = CGDisplayModeGetRefreshRate(mode);
if (!mode_refresh)
mode_refresh = 60;
if (fabs(desc->refresh - mode_refresh) > 0.1)
return FALSE;
#if defined(MAC_OS_X_VERSION_10_8) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_8
if (CGDisplayModeGetPixelWidth != NULL && CGDisplayModeGetPixelHeight != NULL)
{
if (CGDisplayModeGetPixelWidth(mode) != desc->pixel_width ||
CGDisplayModeGetPixelHeight(mode) != desc->pixel_height)
return FALSE;
}
else
#endif
if (CGDisplayModeGetWidth(mode) != desc->pixel_width ||
CGDisplayModeGetHeight(mode) != desc->pixel_height)
return FALSE;
mode_pixel_encoding = CGDisplayModeCopyPixelEncoding(mode);
if (!CFEqual(mode_pixel_encoding, desc->pixel_encoding))
{
CFRelease(mode_pixel_encoding);
return FALSE;
}
CFRelease(mode_pixel_encoding);
return TRUE;
}
// Returns depth of screen
int wxDisplayDepth()
{
int theDepth = 0;
CGDisplayModeRef currentMode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
CFStringRef encoding = CGDisplayModeCopyPixelEncoding(currentMode);
if(CFStringCompare(encoding, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
theDepth = 32;
else if(CFStringCompare(encoding, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
theDepth = 16;
else if(CFStringCompare(encoding, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
theDepth = 8;
else
theDepth = 32; // some reasonable default
CFRelease(encoding);
CGDisplayModeRelease(currentMode);
return theDepth;
}
size_t bitDepth(CGDisplayModeRef mode) {
size_t depth = 0;
CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);
// my numerical representation for kIO16BitFloatPixels and kIO32bitFloatPixels
// are made up and possibly non-sensical
if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO32BitFloatPixels), kCFCompareCaseInsensitive)) {
depth = 96;
} else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO64BitDirectPixels), kCFCompareCaseInsensitive)) {
depth = 64;
} else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO16BitFloatPixels), kCFCompareCaseInsensitive)) {
depth = 48;
} else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive)) {
depth = 32;
} else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(kIO30BitDirectPixels), kCFCompareCaseInsensitive)) {
depth = 30;
} else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive)) {
depth = 16;
} else if (kCFCompareEqualTo == CFStringCompare(pixelEncoding, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive)) {
depth = 8;
}
CFRelease(pixelEncoding);
return depth;
}
/***********************************************************************
* copy_display_modes
*
* Wrapper around CGDisplayCopyAllDisplayModes() to include additional
* modes on Retina-capable systems, but filter those which would confuse
* Windows apps (basically duplicates at different DPIs).
*
* For example, some Retina Macs support a 1920x1200 mode, but it's not
* returned from CGDisplayCopyAllDisplayModes() without special options.
* This is especially bad if that's the user's default mode, since then
* no "available" mode matches the initial settings.
*/
static CFArrayRef copy_display_modes(CGDirectDisplayID display)
{
CFArrayRef modes = NULL;
#if defined(MAC_OS_X_VERSION_10_8) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_8
if (&kCGDisplayShowDuplicateLowResolutionModes != NULL &&
CGDisplayModeGetPixelWidth != NULL && CGDisplayModeGetPixelHeight != NULL)
{
CFDictionaryRef options;
struct display_mode_descriptor* desc;
CFMutableDictionaryRef modes_by_size;
CFIndex i, count;
CGDisplayModeRef* mode_array;
options = CFDictionaryCreate(NULL, (const void**)&kCGDisplayShowDuplicateLowResolutionModes,
(const void**)&kCFBooleanTrue, 1, &kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
modes = CGDisplayCopyAllDisplayModes(display, options);
if (options)
CFRelease(options);
if (!modes)
return NULL;
desc = create_original_display_mode_descriptor(display);
modes_by_size = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
count = CFArrayGetCount(modes);
for (i = 0; i < count; i++)
{
BOOL better = TRUE;
CGDisplayModeRef new_mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(modes, i);
BOOL new_is_original = display_mode_matches_descriptor(new_mode, desc);
CFDictionaryRef key = create_mode_dict(new_mode);
/* If a given mode is the user's default, then always list it in preference to any similar
modes that may exist. */
if (new_is_original)
better = TRUE;
else
{
CFStringRef pixel_encoding = CGDisplayModeCopyPixelEncoding(new_mode);
CGDisplayModeRef old_mode;
if (pixel_encoding)
{
BOOL bpp30 = CFEqual(pixel_encoding, CFSTR(kIO30BitDirectPixels));
CFRelease(pixel_encoding);
if (bpp30)
{
/* This is an odd pixel encoding. It seems it's only returned
when using kCGDisplayShowDuplicateLowResolutionModes. It's
32bpp in terms of the actual raster layout, but it's 10
bits per component. I think that no Windows program is
likely to need it and they will probably be confused by it.
Skip it. */
CFRelease(key);
continue;
}
}
old_mode = (CGDisplayModeRef)CFDictionaryGetValue(modes_by_size, key);
if (old_mode)
{
BOOL old_is_original = display_mode_matches_descriptor(old_mode, desc);
if (old_is_original)
better = FALSE;
else
{
/* Otherwise, prefer a mode whose pixel size equals its point size over one which
is scaled. */
size_t width_points = CGDisplayModeGetWidth(new_mode);
size_t height_points = CGDisplayModeGetHeight(new_mode);
size_t new_width_pixels = CGDisplayModeGetPixelWidth(new_mode);
size_t new_height_pixels = CGDisplayModeGetPixelHeight(new_mode);
size_t old_width_pixels = CGDisplayModeGetPixelWidth(old_mode);
size_t old_height_pixels = CGDisplayModeGetPixelHeight(old_mode);
BOOL new_size_same = (new_width_pixels == width_points && new_height_pixels == height_points);
BOOL old_size_same = (old_width_pixels == width_points && old_height_pixels == height_points);
if (new_size_same && !old_size_same)
better = TRUE;
else if (!new_size_same && old_size_same)
better = FALSE;
else
{
/* Otherwise, prefer the mode with the smaller pixel size. */
if (old_width_pixels < new_width_pixels || old_height_pixels < new_height_pixels)
better = FALSE;
}
}
}
}
if (better)
CFDictionarySetValue(modes_by_size, key, new_mode);
CFRelease(key);
}
free_display_mode_descriptor(desc);
CFRelease(modes);
count = CFDictionaryGetCount(modes_by_size);
mode_array = HeapAlloc(GetProcessHeap(), 0, count * sizeof(mode_array[0]));
CFDictionaryGetKeysAndValues(modes_by_size, NULL, (const void **)mode_array);
modes = CFArrayCreate(NULL, (const void **)mode_array, count, &kCFTypeArrayCallBacks);
HeapFree(GetProcessHeap(), 0, mode_array);
CFRelease(modes_by_size);
}
else
#endif
modes = CGDisplayCopyAllDisplayModes(display, NULL);
return modes;
}
/*
* xprAddScreen
* Init the framebuffer and record pixmap parameters for the screen.
*/
static Bool
xprAddScreen(int index, ScreenPtr pScreen)
{
DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
int depth = darwinDesiredDepth;
DEBUG_LOG("index=%d depth=%d\n", index, depth);
if(depth == -1) {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
depth = CGDisplaySamplesPerPixel(kCGDirectMainDisplay) * CGDisplayBitsPerSample(kCGDirectMainDisplay);
#else
CGDisplayModeRef modeRef;
CFStringRef encStrRef;
modeRef = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
if(!modeRef)
goto have_depth;
encStrRef = CGDisplayModeCopyPixelEncoding(modeRef);
CFRelease(modeRef);
if(!encStrRef)
goto have_depth;
if(CFStringCompare(encStrRef, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
depth = 24;
} else if(CFStringCompare(encStrRef, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
depth = 15;
} else if(CFStringCompare(encStrRef, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
depth = 8;
}
CFRelease(encStrRef);
#endif
}
have_depth:
switch(depth) {
case 8: // pseudo-working
dfb->visuals = PseudoColorMask;
dfb->preferredCVC = PseudoColor;
dfb->depth = 8;
dfb->bitsPerRGB = 8;
dfb->bitsPerPixel = 8;
dfb->redMask = 0;
dfb->greenMask = 0;
dfb->blueMask = 0;
break;
case 15:
dfb->visuals = TrueColorMask; //LARGE_VISUALS;
dfb->preferredCVC = TrueColor;
dfb->depth = 15;
dfb->bitsPerRGB = 5;
dfb->bitsPerPixel = 16;
dfb->redMask = RM_ARGB(0,5,5,5);
dfb->greenMask = GM_ARGB(0,5,5,5);
dfb->blueMask = BM_ARGB(0,5,5,5);
break;
// case 24:
default:
if(depth != 24)
ErrorF("Unsupported color depth requested. Defaulting to 24bit. (depth=%d darwinDesiredDepth=%d)\n", depth, darwinDesiredDepth);
dfb->visuals = TrueColorMask; //LARGE_VISUALS;
dfb->preferredCVC = TrueColor;
dfb->depth = 24;
dfb->bitsPerRGB = 8;
dfb->bitsPerPixel = 32;
dfb->redMask = RM_ARGB(0,8,8,8);
dfb->greenMask = GM_ARGB(0,8,8,8);
dfb->blueMask = BM_ARGB(0,8,8,8);
break;
}
if (noPseudoramiXExtension)
{
CGDirectDisplayID dpy;
CGRect frame;
ErrorF("Warning: noPseudoramiXExtension!\n");
dpy = displayAtIndex(index);
QuartzCopyDisplayIDs(pScreen, 1, &dpy);
frame = displayScreenBounds(dpy);
dfb->x = frame.origin.x;
dfb->y = frame.origin.y;
dfb->width = frame.size.width;
dfb->height = frame.size.height;
}
else
{
xprAddPseudoramiXScreens(&dfb->x, &dfb->y, &dfb->width, &dfb->height, pScreen);
}
/* Passing zero width (pitch) makes miCreateScreenResources set the
screen pixmap to the framebuffer pointer, i.e. NULL. The generic
rootless code takes care of making this work. */
dfb->pitch = 0;
dfb->framebuffer = NULL;
DRIScreenInit(pScreen);
return TRUE;
}
bool DisplayManagerOSX::initialize()
{
int totalModes = 0;
m_displays.clear();
for (int i = 0; i < m_osxDisplayModes.size(); i++)
{
if (m_osxDisplayModes[i])
CFRelease(m_osxDisplayModes[i]);
}
m_osxDisplayModes.clear();
CGError err = CGGetActiveDisplayList(MAX_DISPLAYS, m_osxDisplays, &m_osxnumDisplays);
if (err)
{
m_osxnumDisplays = 0;
QLOG_ERROR() << "CGGetActiveDisplayList returned failure:" << err;
return false;
}
for (int displayid = 0; displayid < m_osxnumDisplays; displayid++)
{
// add the display to the list
DMDisplayPtr display = DMDisplayPtr(new DMDisplay);
display->m_id = displayid;
display->m_name = QString("Display %1").arg(displayid);
m_displays[display->m_id] = display;
m_osxDisplayModes[displayid] = CGDisplayCopyAllDisplayModes(m_osxDisplays[displayid], nullptr);
if (!m_osxDisplayModes[displayid])
continue;
int numModes = (int)CFArrayGetCount(m_osxDisplayModes[displayid]);
for (int modeid = 0; modeid < numModes; modeid++)
{
totalModes++;
// add the videomode to the display
DMVideoModePtr mode = DMVideoModePtr(new DMVideoMode);
mode->m_id = modeid;
display->m_videoModes[modeid] = mode;
// grab videomode info
CGDisplayModeRef displayMode =
(CGDisplayModeRef)CFArrayGetValueAtIndex(m_osxDisplayModes[displayid], modeid);
mode->m_height = CGDisplayModeGetHeight(displayMode);
mode->m_width = CGDisplayModeGetWidth(displayMode);
mode->m_refreshRate = CGDisplayModeGetRefreshRate(displayMode);
CFStringRef pixEnc = CGDisplayModeCopyPixelEncoding(displayMode);
if (CFStringCompare(pixEnc, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
mode->m_bitsPerPixel = 32;
else if (CFStringCompare(pixEnc, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
mode->m_bitsPerPixel = 16;
else if (CFStringCompare(pixEnc, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
mode->m_bitsPerPixel = 8;
CFRelease(pixEnc);
mode->m_interlaced = (CGDisplayModeGetIOFlags(displayMode) & kDisplayModeInterlacedFlag) > 0;
if (mode->m_refreshRate == 0)
mode->m_refreshRate = 60;
}
}
if (totalModes == 0)
return false;
else
return DisplayManager::initialize();
}
/**********************************************************************
* device_init
*
* Perform initializations needed upon creation of the first device.
*/
static void device_init(void)
{
CGDirectDisplayID mainDisplay = CGMainDisplayID();
CGSize size_mm = CGDisplayScreenSize(mainDisplay);
CGDisplayModeRef mode = CGDisplayCopyDisplayMode(mainDisplay);
CGDirectPaletteRef palette;
/* Initialize device caps */
log_pixels_x = log_pixels_y = get_dpi();
if (!log_pixels_x)
{
size_t width = CGDisplayPixelsWide(mainDisplay);
size_t height = CGDisplayPixelsHigh(mainDisplay);
log_pixels_x = MulDiv(width, 254, size_mm.width * 10);
log_pixels_y = MulDiv(height, 254, size_mm.height * 10);
}
horz_size = size_mm.width;
vert_size = size_mm.height;
bits_per_pixel = 32;
if (mode)
{
CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);
horz_res = CGDisplayModeGetWidth(mode);
vert_res = CGDisplayModeGetHeight(mode);
if (pixelEncoding)
{
if (CFEqual(pixelEncoding, CFSTR(IO32BitDirectPixels)))
bits_per_pixel = 32;
else if (CFEqual(pixelEncoding, CFSTR(IO16BitDirectPixels)))
bits_per_pixel = 16;
else if (CFEqual(pixelEncoding, CFSTR(IO8BitIndexedPixels)))
bits_per_pixel = 8;
CFRelease(pixelEncoding);
}
CGDisplayModeRelease(mode);
}
else
{
horz_res = CGDisplayPixelsWide(mainDisplay);
vert_res = CGDisplayPixelsHigh(mainDisplay);
}
macdrv_get_desktop_rect();
desktop_horz_res = desktop_rect.size.width;
desktop_vert_res = desktop_rect.size.height;
palette = CGPaletteCreateWithDisplay(mainDisplay);
if (palette)
{
palette_size = CGPaletteGetNumberOfSamples(palette);
CGPaletteRelease(palette);
}
else
palette_size = 0;
device_data_valid = TRUE;
}
bool macosxSetScreenResolution(QSize resolution, QPoint screenPoint)
{
CGDirectDisplayID display = displayAtPoint(screenPoint);
if (display == kCGNullDirectDisplay)
{
return false;
}
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
if (CGDisplayCopyAllDisplayModes != NULL)
{
bool ok = false;
CGDisplayModeRef currentMainDisplayMode = CGDisplayCopyDisplayMode(display);
CFStringRef currentPixelEncoding = CGDisplayModeCopyPixelEncoding(currentMainDisplayMode);
CFArrayRef displayModes = CGDisplayCopyAllDisplayModes(display, NULL);
for (CFIndex i = 0, c = CFArrayGetCount(displayModes); i < c; i++)
{
bool isEqual = false;
CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(displayModes, i);
CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(mode);
if (CFStringCompare(pixelEncoding, currentPixelEncoding, 0) == kCFCompareEqualTo
&& CGDisplayModeGetWidth(mode) == (size_t)resolution.width()
&& CGDisplayModeGetHeight(mode) == (size_t)resolution.height())
{
isEqual = true;
}
CFRelease(pixelEncoding);
if (isEqual)
{
CGDisplaySetDisplayMode(display, mode, NULL);
ok = true;
break;
}
}
CFRelease(currentPixelEncoding);
CFRelease(displayModes);
return ok;
}
else
#endif
{
CFDictionaryRef currentMainDisplayMode = CGDisplayCurrentMode(display);
int bpp;
dictget(currentMainDisplayMode, Int, kCGDisplayBitsPerPixel, &bpp);
boolean_t exactMatch = false;
CFDictionaryRef bestMode = CGDisplayBestModeForParameters(display, bpp, resolution.width(), resolution.height(), &exactMatch);
if (bestMode != NULL)
{
if (!exactMatch)
{
qWarning("No optimal display mode for requested parameters.");
}
CGDisplaySwitchToMode(display, bestMode);
return true;
}
else
{
qWarning("Bad resolution change: Invalid display.");
return false;
}
}
}
bool macosxAppendAvailableScreenResolutions(QList<QSize> &resolutions, QSize minSize, QPoint screenPoint)
{
CGDirectDisplayID display = displayAtPoint(screenPoint);
if (display == kCGNullDirectDisplay)
{
return false;
}
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
bool modern = (CGDisplayCopyAllDisplayModes != NULL); // where 'modern' means >= 10.6
#endif
CFArrayRef displayModes;
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
if (modern)
{
displayModes = CGDisplayCopyAllDisplayModes(display, NULL);
}
else
#endif
{
displayModes = CGDisplayAvailableModes(display);
}
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
CFStringRef currentPixelEncoding = NULL;
#endif
double currentRefreshRate;
int curBPP, curBPS, curSPP;
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
if (modern)
{
CGDisplayModeRef currentDisplayMode = CGDisplayCopyDisplayMode(display);
currentRefreshRate = CGDisplayModeGetRefreshRate(currentDisplayMode);
currentPixelEncoding = CGDisplayModeCopyPixelEncoding(currentDisplayMode);
CFRelease(currentDisplayMode);
}
else
#endif
{
CFDictionaryRef currentDisplayMode = CGDisplayCurrentMode(display);
dictget(currentDisplayMode, Double, kCGDisplayRefreshRate, ¤tRefreshRate);
dictget(currentDisplayMode, Int, kCGDisplayBitsPerPixel, &curBPP);
dictget(currentDisplayMode, Int, kCGDisplayBitsPerSample, &curBPS);
dictget(currentDisplayMode, Int, kCGDisplaySamplesPerPixel, &curSPP);
}
for (CFIndex j = 0, c = CFArrayGetCount(displayModes); j < c; j++)
{
int width, height;
double refreshRate;
bool pixelEncodingsEqual;
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
if (modern)
{
CGDisplayModeRef displayMode = (CGDisplayModeRef)CFArrayGetValueAtIndex(displayModes, j);
width = (int)CGDisplayModeGetWidth(displayMode);
height = (int)CGDisplayModeGetHeight(displayMode);
refreshRate = CGDisplayModeGetRefreshRate(displayMode);
CFStringRef pixelEncoding = CGDisplayModeCopyPixelEncoding(displayMode);
pixelEncodingsEqual = (CFStringCompare(pixelEncoding, currentPixelEncoding, 0) == kCFCompareEqualTo);
CFRelease(pixelEncoding);
}
else
#endif
{
CFDictionaryRef displayMode = (CFDictionaryRef)CFArrayGetValueAtIndex(displayModes, j);
dictget(displayMode, Int, kCGDisplayWidth, &width);
dictget(displayMode, Int, kCGDisplayHeight, &height);
dictget(displayMode, Double, kCGDisplayRefreshRate, &refreshRate);
int bpp, bps, spp;
dictget(displayMode, Int, kCGDisplayBitsPerPixel, &bpp);
dictget(displayMode, Int, kCGDisplayBitsPerSample, &bps);
dictget(displayMode, Int, kCGDisplaySamplesPerPixel, &spp);
pixelEncodingsEqual = (bpp == curBPP && bps == curBPS && spp == curSPP);
}
QSize res(width, height);
if (!resolutions.contains(res)
&& width >= minSize.width() && height >= minSize.height()
&& refreshRate == currentRefreshRate && pixelEncodingsEqual)
{
resolutions += res;
}
}
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
if (modern)
{
CFRelease(currentPixelEncoding);
CFRelease(displayModes);
}
#endif
return true;
}
static BOOL write_display_settings(HKEY parent_hkey, CGDirectDisplayID displayID)
{
BOOL ret = FALSE;
char display_key_name[19];
HKEY display_hkey;
CGDisplayModeRef display_mode;
DWORD val;
CFStringRef pixel_encoding;
size_t len;
WCHAR* buf = NULL;
snprintf(display_key_name, sizeof(display_key_name), "Display 0x%08x", CGDisplayUnitNumber(displayID));
/* @@ Wine registry key: HKLM\Software\Wine\Mac Driver\Initial Display Mode\Display 0xnnnnnnnn */
if (RegCreateKeyExA(parent_hkey, display_key_name, 0, NULL,
REG_OPTION_VOLATILE, KEY_WRITE, NULL, &display_hkey, NULL))
return FALSE;
display_mode = CGDisplayCopyDisplayMode(displayID);
if (!display_mode)
goto fail;
val = CGDisplayModeGetWidth(display_mode);
if (RegSetValueExA(display_hkey, "Width", 0, REG_DWORD, (const BYTE*)&val, sizeof(val)))
goto fail;
val = CGDisplayModeGetHeight(display_mode);
if (RegSetValueExA(display_hkey, "Height", 0, REG_DWORD, (const BYTE*)&val, sizeof(val)))
goto fail;
val = CGDisplayModeGetRefreshRate(display_mode) * 100;
if (RegSetValueExA(display_hkey, "RefreshRateTimes100", 0, REG_DWORD, (const BYTE*)&val, sizeof(val)))
goto fail;
val = CGDisplayModeGetIOFlags(display_mode);
if (RegSetValueExA(display_hkey, "IOFlags", 0, REG_DWORD, (const BYTE*)&val, sizeof(val)))
goto fail;
#if defined(MAC_OS_X_VERSION_10_8) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_8
if (CGDisplayModeGetPixelWidth != NULL && CGDisplayModeGetPixelHeight != NULL)
{
val = CGDisplayModeGetPixelWidth(display_mode);
if (RegSetValueExA(display_hkey, "PixelWidth", 0, REG_DWORD, (const BYTE*)&val, sizeof(val)))
goto fail;
val = CGDisplayModeGetPixelHeight(display_mode);
if (RegSetValueExA(display_hkey, "PixelHeight", 0, REG_DWORD, (const BYTE*)&val, sizeof(val)))
goto fail;
}
#endif
pixel_encoding = CGDisplayModeCopyPixelEncoding(display_mode);
len = CFStringGetLength(pixel_encoding);
buf = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
CFStringGetCharacters(pixel_encoding, CFRangeMake(0, len), (UniChar*)buf);
buf[len] = 0;
CFRelease(pixel_encoding);
if (RegSetValueExW(display_hkey, pixelencodingW, 0, REG_SZ, (const BYTE*)buf, (len + 1) * sizeof(WCHAR)))
goto fail;
ret = TRUE;
fail:
HeapFree(GetProcessHeap(), 0, buf);
if (display_mode) CGDisplayModeRelease(display_mode);
RegCloseKey(display_hkey);
if (!ret)
RegDeleteKeyA(parent_hkey, display_key_name);
return ret;
}
static Bool
QuartzRandREnumerateModes(ScreenPtr pScreen,
QuartzModeCallback callback,
void *data)
{
Bool retval = FALSE;
QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
/* Just an 800x600 fallback if we have no attached heads */
if (pQuartzScreen->displayIDs) {
CGDisplayModeRef curModeRef, modeRef;
CFStringRef curPixelEnc, pixelEnc;
CFComparisonResult pixelEncEqual;
CFArrayRef modes;
QuartzModeInfo modeInfo;
int i;
CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0];
curModeRef = CGDisplayCopyDisplayMode(screenId);
if (!curModeRef)
return FALSE;
curPixelEnc = CGDisplayModeCopyPixelEncoding(curModeRef);
CGDisplayModeRelease(curModeRef);
modes = CGDisplayCopyAllDisplayModes(screenId, NULL);
if (!modes) {
CFRelease(curPixelEnc);
return FALSE;
}
for (i = 0; i < CFArrayGetCount(modes); i++) {
int cb;
modeRef = (CGDisplayModeRef)CFArrayGetValueAtIndex(modes, i);
/* Skip modes that are not usable on the current display or have a
different pixel encoding than the current mode. */
if ((CGDisplayModeGetIOFlags(modeRef) &
kDisplayModeUsableFlags) !=
kDisplayModeUsableFlags)
continue;
pixelEnc = CGDisplayModeCopyPixelEncoding(modeRef);
pixelEncEqual = CFStringCompare(pixelEnc, curPixelEnc, 0);
CFRelease(pixelEnc);
if (pixelEncEqual != kCFCompareEqualTo)
continue;
QuartzRandRGetModeInfo(modeRef, &modeInfo);
modeInfo.ref = modeRef;
cb = callback(pScreen, &modeInfo, data);
if (cb == CALLBACK_CONTINUE) {
retval = TRUE;
}
else if (cb == CALLBACK_SUCCESS) {
CFRelease(modes);
CFRelease(curPixelEnc);
return TRUE;
}
else if (cb == CALLBACK_ERROR) {
CFRelease(modes);
CFRelease(curPixelEnc);
return FALSE;
}
}
CFRelease(modes);
CFRelease(curPixelEnc);
}
switch (callback(pScreen, &pQuartzScreen->rootlessMode, data)) {
case CALLBACK_SUCCESS:
return TRUE;
case CALLBACK_ERROR:
return FALSE;
case CALLBACK_CONTINUE:
retval = TRUE;
default:
break;
}
switch (callback(pScreen, &pQuartzScreen->fullscreenMode, data)) {
case CALLBACK_SUCCESS:
return TRUE;
case CALLBACK_ERROR:
return FALSE;
case CALLBACK_CONTINUE:
retval = TRUE;
default:
break;
}
return retval;
}
double UIDisplay::GetRefreshRatePriv(void)
{
CocoaAutoReleasePool pool;
double rate = 0.0f;
CGDirectDisplayID disp = GetOSXDisplay(m_widget->winId());
if (!disp)
{
LOG(VB_GENERAL, LOG_WARNING, "Failed to get OS X display");
return rate;
}
CGDisplayModeRef current = CGDisplayCopyDisplayMode(disp);
if (current)
{
rate = CGDisplayModeGetRefreshRate(current);
if (qFuzzyCompare((double)1.0f, rate + 1.0f))
m_variableRefreshRate = true;
}
else
{
LOG(VB_GENERAL, LOG_WARNING, "Failed to get current display mode");
return rate;
}
if (m_variableRefreshRate)
{
CGDisplayModeRelease(current);
return rate;
}
// if we've run this already, release the modes
m_modes.clear();
m_originalModeIndex = -1;
if (gDisplayModes)
CFRelease(gDisplayModes);
gDisplayModes = CGDisplayCopyAllDisplayModes(disp, NULL);
if (gDisplayModes)
{
for (int i = 0; i < CFArrayGetCount(gDisplayModes); ++i)
{
CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(gDisplayModes, i);
int modewidth = CGDisplayModeGetWidth(mode);
int modeheight = CGDisplayModeGetHeight(mode);
double moderate = CGDisplayModeGetRefreshRate(mode);
int32_t flags = CGDisplayModeGetIOFlags(mode);
bool interlaced = flags & kDisplayModeInterlacedFlag;
CFStringRef fmt = CGDisplayModeCopyPixelEncoding(mode);
int depth = DepthFromStringRef(fmt);
CFRelease(fmt);
bool ignore = modewidth != m_pixelSize.width() ||
modeheight != m_pixelSize.height() ||
(flags & kDisplayModeNotGraphicsQualityFlag) ||
!(flags & kDisplayModeSafetyFlags) ||
depth < 32 || moderate < 10.0f || moderate > 121.0f;
LOG(VB_GUI, LOG_INFO, QString("Mode %1x%2@%3Hz %4bpp%5%6%7")
.arg(modewidth).arg(modeheight).arg(moderate).arg(depth)
.arg(interlaced ? QString(" Interlaced") : "")
.arg(ignore ? QString(" Ignoring") : "")
.arg(mode == current ? QString(" CURRENT"): ""));
if (!ignore)
{
m_modes.append(UIDisplayMode(modewidth, modeheight, depth, moderate, interlaced, i));
if (mode == current)
m_originalModeIndex = m_modes.size() - 1;
}
}
}
CGDisplayModeRelease(current);
return rate;
}
MMBitmapRef copyMMBitmapFromDisplayInRect(MMRect rect)
{
#if defined(IS_MACOSX)
size_t bytewidth;
uint8_t bitsPerPixel, bytesPerPixel;
uint8_t *buffer;
CGDirectDisplayID displayID = CGMainDisplayID();
//Replacement for CGDisplayBitsPerPixel.
CGDisplayModeRef mode = CGDisplayCopyDisplayMode(displayID);
size_t depth = 0;
CFStringRef pixEnc = CGDisplayModeCopyPixelEncoding(mode);
if(CFStringCompare(pixEnc, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
depth = 32;
else if(CFStringCompare(pixEnc, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
depth = 16;
else if(CFStringCompare(pixEnc, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
depth = 8;
bitsPerPixel = (uint8_t) depth;
bytesPerPixel = bitsPerPixel / 8;
/* Align width to padding. */
bytewidth = ADD_PADDING(rect.size.width * bytesPerPixel);
/* Convert Quartz point to postscript point. */
rect.origin.y = CGDisplayPixelsHigh(displayID) - rect.origin.y - rect.size.height;
CGImageRef image = CGDisplayCreateImageForRect(displayID, CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height));
// Request access to the raw pixel data via the image's DataProvider.
CGDataProviderRef provider = CGImageGetDataProvider(image);
CFDataRef data = CGDataProviderCopyData(provider);
size_t width, height;
width = CGImageGetWidth(image);
height = CGImageGetHeight(image);
size_t bpp = CGImageGetBitsPerPixel(image) / 8;
uint8 *pixels = malloc(width * height * bpp);
memcpy(pixels, CFDataGetBytePtr(data), width * height * bpp);
CFRelease(data);
CGImageRelease(image);
return createMMBitmap(pixels, rect.size.width, rect.size.height, bytewidth,
bitsPerPixel, bytesPerPixel);
#elif defined(USE_X11)
MMBitmapRef bitmap;
Display *display = XOpenDisplay(NULL);
XImage *image = XGetImage(display,
XDefaultRootWindow(display),
(int)rect.origin.x,
(int)rect.origin.y,
(unsigned int)rect.size.width,
(unsigned int)rect.size.height,
AllPlanes, ZPixmap);
XCloseDisplay(display);
if (image == NULL) return NULL;
bitmap = createMMBitmap((uint8_t *)image->data,
rect.size.width,
rect.size.height,
(size_t)image->bytes_per_line,
(uint8_t)image->bits_per_pixel,
(uint8_t)image->bits_per_pixel / 8);
image->data = NULL; /* Steal ownership of bitmap data so we don't have to
* copy it. */
XDestroyImage(image);
return bitmap;
#elif defined(IS_WINDOWS)
MMBitmapRef bitmap;
void *data;
HDC screen = NULL, screenMem = NULL;
HBITMAP dib;
BITMAPINFO bi;
/* Initialize bitmap info. */
bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
bi.bmiHeader.biWidth = (long)rect.size.width;
bi.bmiHeader.biHeight = -(long)rect.size.height; /* Non-cartesian, please */
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
bi.bmiHeader.biSizeImage = (DWORD)(4 * rect.size.width * rect.size.height);
bi.bmiHeader.biXPelsPerMeter = 0;
bi.bmiHeader.biYPelsPerMeter = 0;
bi.bmiHeader.biClrUsed = 0;
bi.bmiHeader.biClrImportant = 0;
screen = GetDC(NULL); /* Get entire screen */
if (screen == NULL) return NULL;
/* Get screen data in display device context. */
dib = CreateDIBSection(screen, &bi, DIB_RGB_COLORS, &data, NULL, 0);
/* Copy the data into a bitmap struct. */
if ((screenMem = CreateCompatibleDC(screen)) == NULL ||
SelectObject(screenMem, dib) == NULL ||
!BitBlt(screenMem,
(int)rect.origin.x,
(int)rect.origin.y,
(int)rect.size.width,
(int)rect.size.height, screen, 0, 0, SRCCOPY)) {
/* Error copying data. */
ReleaseDC(NULL, screen);
DeleteObject(dib);
if (screenMem != NULL) DeleteDC(screenMem);
return NULL;
}
bitmap = createMMBitmap(NULL,
rect.size.width,
rect.size.height,
4 * rect.size.width,
(uint8_t)bi.bmiHeader.biBitCount,
4);
/* Copy the data to our pixel buffer. */
if (bitmap != NULL) {
bitmap->imageBuffer = malloc(bitmap->bytewidth * bitmap->height);
memcpy(bitmap->imageBuffer, data, bitmap->bytewidth * bitmap->height);
}
ReleaseDC(NULL, screen);
DeleteObject(dib);
DeleteDC(screenMem);
return bitmap;
#endif
}
