- port to minGw

git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@235 b431acfa-c32f-4a4a-93f1-934dc6c82436
2015-02-21 17:09:43 +00:00
parent 843c6e300c
commit cfc9645b0b
1093 changed files with 426078 additions and 143 deletions
@@ -0,0 +1,189 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found 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.juce.com for more information.
+
+  ==============================================================================
+*/
+
+ImageButton::ImageButton (const String& text_)
+    : Button (text_),
+      scaleImageToFit (true),
+      preserveProportions (true),
+      alphaThreshold (0)
+{
+}
+
+ImageButton::~ImageButton()
+{
+}
+
+void ImageButton::setImages (const bool resizeButtonNowToFitThisImage,
+                             const bool rescaleImagesWhenButtonSizeChanges,
+                             const bool preserveImageProportions,
+                             const Image& normalImage_,
+                             const float imageOpacityWhenNormal,
+                             Colour overlayColourWhenNormal,
+                             const Image& overImage_,
+                             const float imageOpacityWhenOver,
+                             Colour overlayColourWhenOver,
+                             const Image& downImage_,
+                             const float imageOpacityWhenDown,
+                             Colour overlayColourWhenDown,
+                             const float hitTestAlphaThreshold)
+{
+    normalImage = normalImage_;
+    overImage = overImage_;
+    downImage = downImage_;
+
+    if (resizeButtonNowToFitThisImage && normalImage.isValid())
+    {
+        imageBounds.setSize (normalImage.getWidth(),
+                             normalImage.getHeight());
+
+        setSize (imageBounds.getWidth(), imageBounds.getHeight());
+    }
+
+    scaleImageToFit = rescaleImagesWhenButtonSizeChanges;
+    preserveProportions = preserveImageProportions;
+
+    normalOpacity = imageOpacityWhenNormal;
+    normalOverlay = overlayColourWhenNormal;
+    overOpacity   = imageOpacityWhenOver;
+    overOverlay   = overlayColourWhenOver;
+    downOpacity   = imageOpacityWhenDown;
+    downOverlay   = overlayColourWhenDown;
+
+    alphaThreshold = (uint8) jlimit (0, 0xff, roundToInt (255.0f * hitTestAlphaThreshold));
+
+    repaint();
+}
+
+Image ImageButton::getCurrentImage() const
+{
+    if (isDown() || getToggleState())
+        return getDownImage();
+
+    if (isOver())
+        return getOverImage();
+
+    return getNormalImage();
+}
+
+Image ImageButton::getNormalImage() const
+{
+    return normalImage;
+}
+
+Image ImageButton::getOverImage() const
+{
+    return overImage.isValid() ? overImage
+                               : normalImage;
+}
+
+Image ImageButton::getDownImage() const
+{
+    return downImage.isValid() ? downImage
+                               : getOverImage();
+}
+
+void ImageButton::paintButton (Graphics& g,
+                               bool isMouseOverButton,
+                               bool isButtonDown)
+{
+    if (! isEnabled())
+    {
+        isMouseOverButton = false;
+        isButtonDown = false;
+    }
+
+    Image im (getCurrentImage());
+
+    if (im.isValid())
+    {
+        const int iw = im.getWidth();
+        const int ih = im.getHeight();
+        int w = getWidth();
+        int h = getHeight();
+        int x = (w - iw) / 2;
+        int y = (h - ih) / 2;
+
+        if (scaleImageToFit)
+        {
+            if (preserveProportions)
+            {
+                int newW, newH;
+                const float imRatio = ih / (float) iw;
+                const float destRatio = h / (float) w;
+
+                if (imRatio > destRatio)
+                {
+                    newW = roundToInt (h / imRatio);
+                    newH = h;
+                }
+                else
+                {
+                    newW = w;
+                    newH = roundToInt (w * imRatio);
+                }
+
+                x = (w - newW) / 2;
+                y = (h - newH) / 2;
+                w = newW;
+                h = newH;
+            }
+            else
+            {
+                x = 0;
+                y = 0;
+            }
+        }
+
+        if (! scaleImageToFit)
+        {
+            w = iw;
+            h = ih;
+        }
+
+        imageBounds.setBounds (x, y, w, h);
+
+        const bool useDownImage = isButtonDown || getToggleState();
+
+        getLookAndFeel().drawImageButton (g, &im, x, y, w, h,
+                                          useDownImage ? downOverlay
+                                                       : (isMouseOverButton ? overOverlay
+                                                                            : normalOverlay),
+                                          useDownImage ? downOpacity
+                                                       : (isMouseOverButton ? overOpacity
+                                                                            : normalOpacity),
+                                          *this);
+    }
+}
+
+bool ImageButton::hitTest (int x, int y)
+{
+    if (alphaThreshold == 0)
+        return true;
+
+    Image im (getCurrentImage());
+
+    return im.isNull() || ((! imageBounds.isEmpty())
+                            && alphaThreshold < im.getPixelAt (((x - imageBounds.getX()) * im.getWidth()) / imageBounds.getWidth(),
+                                                               ((y - imageBounds.getY()) * im.getHeight()) / imageBounds.getHeight()).getAlpha());
+}