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First check-in of the "jucequake": a major re-organisation of the library to break it up into modules. For more details about this, see the website forum..

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This commit is contained in:
Julian Storer 2011-08-12 10:04:52 +01:00
parent 1a21c89755
commit b70e0a28d2
1527 changed files with 90380 additions and 396643 deletions
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207
src/native/android/juce_android_Fonts.cpp
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/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-11 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
// (This file gets included by juce_android_NativeCode.cpp, rather than being
// compiled on its own).
#if JUCE_INCLUDED_FILE
//==============================================================================
#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD) \
STATICMETHOD (create, "create", "(Ljava/lang/String;I)Landroid/graphics/Typeface;") \
STATICMETHOD (createFromFile, "createFromFile", "(Ljava/lang/String;)Landroid/graphics/Typeface;") \
DECLARE_JNI_CLASS (TypefaceClass, "android/graphics/Typeface");
#undef JNI_CLASS_MEMBERS
//==============================================================================
StringArray Font::findAllTypefaceNames()
{
StringArray results;
Array<File> fonts;
File ("/system/fonts").findChildFiles (fonts, File::findFiles, false, "*.ttf");
for (int i = 0; i < fonts.size(); ++i)
results.add (fonts.getReference(i).getFileNameWithoutExtension());
return results;
}
void Font::getPlatformDefaultFontNames (String& defaultSans, String& defaultSerif, String& defaultFixed, String& defaultFallback)
{
defaultSans = "sans";
defaultSerif = "serif";
defaultFixed = "monospace";
defaultFallback = "sans";
}
//==============================================================================
class AndroidTypeface : public Typeface
{
public:
AndroidTypeface (const Font& font)
: Typeface (font.getTypefaceName()),
ascent (0),
descent (0)
{
jint flags = 0;
if (font.isBold()) flags = 1;
if (font.isItalic()) flags += 2;
JNIEnv* env = getEnv();
File fontFile (File ("/system/fonts").getChildFile (name).withFileExtension (".ttf"));
if (fontFile.exists())
typeface = GlobalRef (env->CallStaticObjectMethod (TypefaceClass, TypefaceClass.createFromFile,
javaString (fontFile.getFullPathName()).get()));
else
typeface = GlobalRef (env->CallStaticObjectMethod (TypefaceClass, TypefaceClass.create,
javaString (getName()).get(), flags));
rect = GlobalRef (env->NewObject (RectClass, RectClass.constructor, 0, 0, 0, 0));
paint = GlobalRef (android.createPaint (Graphics::highResamplingQuality));
const LocalRef<jobject> ignored (paint.callObjectMethod (Paint.setTypeface, typeface.get()));
const float standardSize = 256.0f;
paint.callVoidMethod (Paint.setTextSize, standardSize);
ascent = std::abs (paint.callFloatMethod (Paint.ascent)) / standardSize;
descent = paint.callFloatMethod (Paint.descent) / standardSize;
const float height = ascent + descent;
unitsToHeightScaleFactor = 1.0f / 256.0f;//(height * standardSize);
}
float getAscent() const { return ascent; }
float getDescent() const { return descent; }
float getStringWidth (const String& text)
{
JNIEnv* env = getEnv();
const int numChars = text.length();
jfloatArray widths = env->NewFloatArray (numChars);
const int numDone = paint.callIntMethod (Paint.getTextWidths, javaString (text).get(), widths);
HeapBlock<jfloat> localWidths (numDone);
env->GetFloatArrayRegion (widths, 0, numDone, localWidths);
env->DeleteLocalRef (widths);
float x = 0;
for (int i = 0; i < numDone; ++i)
x += localWidths[i];
return x * unitsToHeightScaleFactor;
}
void getGlyphPositions (const String& text, Array<int>& glyphs, Array<float>& xOffsets)
{
JNIEnv* env = getEnv();
const int numChars = text.length();
jfloatArray widths = env->NewFloatArray (numChars);
const int numDone = paint.callIntMethod (Paint.getTextWidths, javaString (text).get(), widths);
HeapBlock<jfloat> localWidths (numDone);
env->GetFloatArrayRegion (widths, 0, numDone, localWidths);
env->DeleteLocalRef (widths);
String::CharPointerType s (text.getCharPointer());
xOffsets.add (0);
float x = 0;
for (int i = 0; i < numDone; ++i)
{
glyphs.add ((int) s.getAndAdvance());
x += localWidths[i];
xOffsets.add (x * unitsToHeightScaleFactor);
}
}
bool getOutlineForGlyph (int /*glyphNumber*/, Path& /*destPath*/)
{
return false;
}
EdgeTable* getEdgeTableForGlyph (int glyphNumber, const AffineTransform& t)
{
JNIEnv* env = getEnv();
jobject matrix = android.createMatrix (env, AffineTransform::scale (unitsToHeightScaleFactor, unitsToHeightScaleFactor).followedBy (t));
jintArray maskData = (jintArray) android.activity.callObjectMethod (JuceAppActivity.renderGlyph, (jchar) glyphNumber, paint.get(), matrix, rect.get());
env->DeleteLocalRef (matrix);
const int left = env->GetIntField (rect.get(), RectClass.left);
const int top = env->GetIntField (rect.get(), RectClass.top);
const int right = env->GetIntField (rect.get(), RectClass.right);
const int bottom = env->GetIntField (rect.get(), RectClass.bottom);
const Rectangle<int> bounds (left, top, right - left, bottom - top);
if (bounds.isEmpty())
return nullptr;
jint* const maskDataElements = env->GetIntArrayElements (maskData, 0);
EdgeTable* et = new EdgeTable (bounds);
const jint* mask = maskDataElements;
for (int y = top; y < bottom; ++y)
{
#if JUCE_LITTLE_ENDIAN
const uint8* const lineBytes = ((const uint8*) mask) + 3;
#else
const uint8* const lineBytes = (const uint8*) mask;
#endif
et->clipLineToMask (left, y, lineBytes, 4, bounds.getWidth());
mask += bounds.getWidth();
}
env->ReleaseIntArrayElements (maskData, maskDataElements, 0);
env->DeleteLocalRef (maskData);
return et;
}
GlobalRef typeface, paint, rect;
float ascent, descent, unitsToHeightScaleFactor;
private:
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AndroidTypeface);
};
//==============================================================================
Typeface::Ptr Typeface::createSystemTypefaceFor (const Font& font)
{
return new AndroidTypeface (font);
}
#endif