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32-bit color support

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This commit is contained in:
elasota
2020-06-13 04:33:41 -04:00
parent 24f43b973a
commit 4920781619
42 changed files with 1161 additions and 450 deletions
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85
GpApp/Environ.cpp
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@@ -207,30 +207,6 @@ Boolean DoWeHaveDragManager (void)
return true;
}
//-------------------------------------------------------------- WhatsOurDepth
// Determines the pixel bit depth for current device (monitor).
short WhatsOurDepth (void)
{
GpPixelFormat_t pixelFormat;
PortabilityLayer::HostDisplayDriver::GetInstance()->GetDisplayResolution(nil, nil, &pixelFormat);
switch (pixelFormat)
{
case GpPixelFormats::k8BitCustom:
case GpPixelFormats::k8BitStandard:
return 8;
case GpPixelFormats::kRGB555:
return 16;
case GpPixelFormats::kRGB24:
case GpPixelFormats::kRGB32:
return 32;
default:
return 0;
}
}
void SwitchToDepth (short, Boolean)
{
}
@@ -321,9 +297,6 @@ void CheckOurEnvirons (void)
thisMac.can4Bit = true;
thisMac.can8Bit = true;
thisMac.numScreens = HowManyUsableScreens(false, true, true);
thisMac.wasDepth = WhatsOurDepth();
thisMac.wasColorOrGray = AreWeColorOrGrayscale();
thisMac.isResolutionDirty = true;
FlushResolutionChange();
@@ -417,53 +390,21 @@ void ReflectSecondMonitorEnvirons (Boolean use1Bit, Boolean use4Bit, Boolean use
void HandleDepthSwitching (void)
{
if (thisMac.hasColor)
switch (isDepthPref)
{
switch (isDepthPref)
{
case kSwitchIfNeeded:
if ((thisMac.wasDepth != 8) &&
((thisMac.wasDepth != 4) || (thisMac.wasColorOrGray)))
SwitchDepthOrAbort();
break;
case kSwitchTo256Colors:
if (thisMac.wasDepth != 8)
{
if (thisMac.can8Bit)
SwitchToDepth(8, true);
else
SwitchDepthOrAbort();
}
break;
case kSwitchTo16Grays:
if ((thisMac.wasDepth != 4) || (thisMac.wasColorOrGray))
{
if (thisMac.can4Bit)
SwitchToDepth(4, false);
else
SwitchDepthOrAbort();
}
break;
default:
break;
}
case 32:
PortabilityLayer::DisplayDeviceManager::GetInstance()->SetPixelFormat(GpPixelFormats::kRGB32);
break;
case 8:
PortabilityLayer::DisplayDeviceManager::GetInstance()->SetPixelFormat(GpPixelFormats::k8BitStandard);
break;
default:
isDepthPref = 8;
PortabilityLayer::DisplayDeviceManager::GetInstance()->SetPixelFormat(GpPixelFormats::k8BitStandard);
break;
}
thisMac.isDepth = WhatsOurDepth();
}
//-------------------------------------------------------------- RestoreColorDepth
// Restores a monitor to its previous depth when we quit (if we changed it).
void RestoreColorDepth (void)
{
if ((thisMac.hasColor) && ((thisMac.wasDepth != thisMac.isDepth) ||
(thisMac.wasColorOrGray != AreWeColorOrGrayscale())))
SwitchToDepth(thisMac.wasDepth, true);
thisMac.isDepth = isDepthPref;
}
//-------------------------------------------------------------- CheckMemorySize
@@ -574,7 +515,7 @@ void GetDeviceRect(Rect *rect)
{
unsigned int width;
unsigned int height;
PortabilityLayer::HostDisplayDriver::GetInstance()->GetDisplayResolution(&width, &height, nil);
PortabilityLayer::HostDisplayDriver::GetInstance()->GetDisplayResolution(&width, &height);
SetRect(rect, 0, 0, static_cast<short>(width), static_cast<short>(height));
}