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Support for writing JPG even if the image has an alpha channel. Added assertion to warn if you try to use a fallback font on OSX. Minor fixes and features for PopupMenu, ComboBox.

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This commit is contained in:
jules 2011-09-28 17:10:38 +01:00
parent 6b07bfb51b
commit ce0b4bdb9c
14 changed files with 86 additions and 76 deletions
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4
modules/juce_graphics/fonts/juce_Font.cpp
View file

@ -310,6 +310,10 @@ const String& Font::getFallbackFontName()
void Font::setFallbackFontName (const String& name)
{
FontValues::fallbackFont = name;
#if JUCE_MAC || JUCE_IOS
jassertfalse; // Note that use of a fallback font isn't currently implemented in OSX..
#endif
}
//==============================================================================

36
modules/juce_graphics/image_formats/juce_JPEGLoader.cpp
View file

@ -339,21 +339,13 @@ bool JPEGImageFormat::writeImageToStream (const Image& image, OutputStream& out)
using namespace jpeglibNamespace;
using namespace JPEGHelpers;
if (image.hasAlphaChannel())
{
// this method could fill the background in white and still save the image..
jassertfalse;
return true;
}
struct jpeg_compress_struct jpegCompStruct;
jpeg_create_compress (&jpegCompStruct);
struct jpeg_error_mgr jerr;
setupSilentErrorHandler (jerr);
jpegCompStruct.err = &jerr;
jpeg_create_compress (&jpegCompStruct);
JuceJpegDest dest;
jpegCompStruct.dest = &dest;
@ -396,15 +388,29 @@ bool JPEGImageFormat::writeImageToStream (const Image& image, OutputStream& out)
while (jpegCompStruct.next_scanline < jpegCompStruct.image_height)
{
const uint8* src = srcData.getLinePointer ((int) jpegCompStruct.next_scanline);
uint8* dst = *buffer;
for (int i = (int) jpegCompStruct.image_width; --i >= 0;)
if (srcData.pixelFormat == Image::RGB)
{
*dst++ = ((const PixelRGB*) src)->getRed();
*dst++ = ((const PixelRGB*) src)->getGreen();
*dst++ = ((const PixelRGB*) src)->getBlue();
src += srcData.pixelStride;
const uint8* src = srcData.getLinePointer ((int) jpegCompStruct.next_scanline);
for (int i = srcData.width; --i >= 0;)
{
*dst++ = ((const PixelRGB*) src)->getRed();
*dst++ = ((const PixelRGB*) src)->getGreen();
*dst++ = ((const PixelRGB*) src)->getBlue();
src += srcData.pixelStride;
}
}
else
{
for (int x = 0; x < srcData.width; ++x)
{
const Colour pixel (srcData.getPixelColour (x, (int) jpegCompStruct.next_scanline));
*dst++ = pixel.getRed();
*dst++ = pixel.getGreen();
*dst++ = pixel.getBlue();
}
}
jpeg_write_scanlines (&jpegCompStruct, buffer, 1);

6
modules/juce_graphics/images/juce_Image.cpp
View file

@ -309,8 +309,8 @@ const Colour Image::BitmapData::getPixelColour (const int x, const int y) const
switch (pixelFormat)
{
case Image::ARGB: return Colour (((const PixelARGB*) pixel)->getUnpremultipliedARGB());
case Image::RGB: return Colour (((const PixelRGB*) pixel)->getUnpremultipliedARGB());
case Image::ARGB: return Colour (((const PixelARGB*) pixel)->getUnpremultipliedARGB());
case Image::RGB: return Colour (((const PixelRGB*) pixel)->getUnpremultipliedARGB());
case Image::SingleChannel: return Colour (((const PixelAlpha*) pixel)->getUnpremultipliedARGB());
default: jassertfalse; break;
}
@ -328,7 +328,7 @@ void Image::BitmapData::setPixelColour (const int x, const int y, const Colour&
switch (pixelFormat)
{
case Image::ARGB: ((PixelARGB*) pixel)->set (col); break;
case Image::RGB: ((PixelRGB*) pixel)->set (col); break;
case Image::RGB: ((PixelRGB*) pixel)->set (col); break;
case Image::SingleChannel: *pixel = col.getAlpha(); break;
default: jassertfalse; break;
}

22
modules/juce_graphics/native/juce_mac_CoreGraphicsContext.mm
View file

@ -520,13 +520,13 @@ void CoreGraphicsContext::drawVerticalLine (const int x, float top, float bottom
{
if (state->fillType.isColour())
{
#if MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_5
#if MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_5
CGContextFillRect (context, CGRectMake (x, flipHeight - bottom, 1.0f, bottom - top));
#else
#else
// On Leopard, unless both co-ordinates are non-integer, it disables anti-aliasing, so nudge
// the x co-ord slightly to trick it..
CGContextFillRect (context, CGRectMake (x + 1.0f / 256.0f, flipHeight - bottom, 1.0f + 1.0f / 256.0f, bottom - top));
#endif
#endif
}
else
{
@ -538,13 +538,13 @@ void CoreGraphicsContext::drawHorizontalLine (const int y, float left, float rig
{
if (state->fillType.isColour())
{
#if MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_5
#if MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_5
CGContextFillRect (context, CGRectMake (left, flipHeight - (y + 1.0f), right - left, 1.0f));
#else
#else
// On Leopard, unless both co-ordinates are non-integer, it disables anti-aliasing, so nudge
// the x co-ord slightly to trick it..
CGContextFillRect (context, CGRectMake (left, flipHeight - (y + (1.0f + 1.0f / 256.0f)), right - left, 1.0f + 1.0f / 256.0f));
#endif
#endif
}
else
{
@ -559,15 +559,15 @@ void CoreGraphicsContext::setFont (const Font& newFont)
state->fontRef = 0;
state->font = newFont;
MacTypeface* mf = dynamic_cast <MacTypeface*> (state->font.getTypeface());
OSXTypeface* osxTypeface = dynamic_cast <OSXTypeface*> (state->font.getTypeface());
if (mf != nullptr)
if (osxTypeface != nullptr)
{
state->fontRef = mf->fontRef;
state->fontRef = osxTypeface->fontRef;
CGContextSetFont (context, state->fontRef);
CGContextSetFontSize (context, state->font.getHeight() * mf->fontHeightToCGSizeFactor);
CGContextSetFontSize (context, state->font.getHeight() * osxTypeface->fontHeightToCGSizeFactor);
state->fontTransform = mf->renderingTransform;
state->fontTransform = osxTypeface->renderingTransform;
state->fontTransform.a *= state->font.getHorizontalScale();
CGContextSetTextMatrix (context, state->fontTransform);
}

34
modules/juce_graphics/native/juce_mac_Fonts.mm
View file

@ -32,11 +32,10 @@
#if JUCE_CORETEXT_AVAILABLE
//==============================================================================
class MacTypeface : public Typeface
class OSXTypeface : public Typeface
{
public:
//==============================================================================
MacTypeface (const Font& font)
OSXTypeface (const Font& font)
: Typeface (font.getTypefaceName()),
fontRef (nullptr),
fontHeightToCGSizeFactor (1.0f),
@ -46,7 +45,6 @@ public:
ascent (0.0f),
unitsToHeightScaleFactor (0.0f)
{
JUCE_AUTORELEASEPOOL
CFStringRef cfName = font.getTypefaceName().toCFString();
ctFontRef = CTFontCreateWithName (cfName, 1024, nullptr);
CFRelease (cfName);
@ -112,7 +110,7 @@ public:
}
}
~MacTypeface()
~OSXTypeface()
{
if (attributedStringAtts != nullptr)
CFRelease (attributedStringAtts);
@ -256,7 +254,7 @@ private:
}
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MacTypeface);
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OSXTypeface);
};
#else
@ -282,11 +280,10 @@ private:
#endif
//==============================================================================
class MacTypeface : public Typeface
class OSXTypeface : public Typeface
{
public:
//==============================================================================
MacTypeface (const Font& font)
OSXTypeface (const Font& font)
: Typeface (font.getTypefaceName())
{
JUCE_AUTORELEASEPOOL
@ -415,7 +412,7 @@ public:
#endif
}
~MacTypeface()
~OSXTypeface()
{
#if ! JUCE_IOS
[nsFont release];
@ -425,15 +422,8 @@ public:
CGFontRelease (fontRef);
}
float getAscent() const
{
return ascent;
}
float getDescent() const
{
return 1.0f - ascent;
}
float getAscent() const { return ascent; }
float getDescent() const { return 1.0f - ascent; }
float getStringWidth (const String& text)
{
@ -569,7 +559,7 @@ public:
switch ([bez elementAtIndex: i associatedPoints: p])
{
case NSMoveToBezierPathElement: path.startNewSubPath ((float) p[0].x, (float) -p[0].y); break;
case NSLineToBezierPathElement: path.lineTo ((float) p[0].x, (float) -p[0].y); break;
case NSLineToBezierPathElement: path.lineTo ((float) p[0].x, (float) -p[0].y); break;
case NSCurveToBezierPathElement: path.cubicTo ((float) p[0].x, (float) -p[0].y,
(float) p[1].x, (float) -p[1].y,
(float) p[2].x, (float) -p[2].y); break;
@ -725,7 +715,7 @@ private:
ScopedPointer <CharToGlyphMapper> charToGlyphMapper;
#endif
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MacTypeface);
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OSXTypeface);
};
#endif
@ -733,7 +723,7 @@ private:
//==============================================================================
Typeface::Ptr Typeface::createSystemTypefaceFor (const Font& font)
{
return new MacTypeface (font);
return new OSXTypeface (font);
}
StringArray Font::findAllTypefaceNames()

2
modules/juce_graphics/native/juce_win32_Direct2DGraphicsContext.cpp
View file

@ -574,7 +574,7 @@ public:
{
// xxx The font shouldn't be managed by the graphics context.
// The correct way to handle font lifetimes is to use a subclass of Typeface - see
// MacTypeface and WindowsTypeface classes. D2D support could probably just be added to the
// OSXTypeface and WindowsTypeface classes. D2D support could probably just be added to the
// WindowsTypeface class.
if (currentFontFace == 0)