1 files changed, 118 insertions, 0 deletions
diff --git a/chalk/chalkcolor/kis_u8_base_colorspace.cpp b/chalk/chalkcolor/kis_u8_base_colorspace.cpp
new file mode 100644
index 000000000..338d95d6b
--- /dev/null
+++ b/chalk/chalkcolor/kis_u8_base_colorspace.cpp
@@ -0,0 +1,118 @@
+/*
+ *  Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <tqcolor.h>
+
+#include <kdebug.h>
+
+#include "kis_abstract_colorspace.h"
+#include "kis_u8_base_colorspace.h"
+#include "kis_integer_maths.h"
+
+TQ_UINT8 KisU8BaseColorSpace::getAlpha(const TQ_UINT8 * pixel) const
+{
+    return pixel[m_alphaPos];
+}
+
+
+
+void KisU8BaseColorSpace::setAlpha(TQ_UINT8 * pixels, TQ_UINT8 alpha, TQ_INT32 nPixels) const
+{
+    if (m_alphaPos < 0) return;
+    TQ_INT32 psize = pixelSize();
+
+    pixels += m_alphaPos;
+    while (nPixels > 0) {
+        *pixels = alpha;
+        --nPixels;
+        pixels += psize;
+    }
+
+}
+
+void KisU8BaseColorSpace::multiplyAlpha(TQ_UINT8 * pixels, TQ_UINT8 alpha, TQ_INT32 nPixels)
+{
+    if (m_alphaPos < 0) return;
+    TQ_INT32 psize = pixelSize();
+
+    while (nPixels > 0) {
+        pixels[m_alphaPos] = UINT8_MULT(pixels[m_alphaPos], alpha);
+        --nPixels;
+        pixels += psize;
+    }
+}
+
+void KisU8BaseColorSpace::applyAlphaU8Mask(TQ_UINT8 * pixels, TQ_UINT8 * alpha, TQ_INT32 nPixels)
+{
+    TQ_INT32 psize = pixelSize();
+
+    while (nPixels--) {
+
+        pixels[m_alphaPos] = UINT8_MULT(*(pixels + m_alphaPos) , *alpha);
+
+        alpha++;
+        pixels += psize;
+
+    }
+}
+
+void KisU8BaseColorSpace::applyInverseAlphaU8Mask(TQ_UINT8 * pixels, TQ_UINT8 * alpha, TQ_INT32 nPixels)
+{
+    TQ_INT32 psize = pixelSize();
+
+    while(nPixels--) {
+
+            TQ_UINT16 p_alpha, s_alpha;
+
+            p_alpha = getAlpha(pixels);
+            s_alpha = MAX_SELECTED - *alpha;
+
+            setAlpha(pixels, UINT8_MULT(p_alpha, s_alpha), 1);
+
+            pixels += psize;
+            ++alpha;
+    }
+}
+
+TQString KisU8BaseColorSpace::channelValueText(const TQ_UINT8 *pixel, TQ_UINT32 channelIndex) const
+{
+    Q_ASSERT(channelIndex < (TQ_UINT32)nChannels());
+    TQ_UINT32 channelPosition = m_channels[channelIndex]->pos();
+
+    return TQString().setNum(pixel[channelPosition]);
+}
+
+TQString KisU8BaseColorSpace::normalisedChannelValueText(const TQ_UINT8 *pixel, TQ_UINT32 channelIndex) const
+{
+    Q_ASSERT(channelIndex < (TQ_UINT32)nChannels());
+    TQ_UINT32 channelPosition = m_channels[channelIndex]->pos();
+
+    return TQString().setNum(100.0 * static_cast<float>(pixel[channelPosition]) / UINT8_MAX);
+}
+
+
+TQ_UINT8 KisU8BaseColorSpace::scaleToU8(const TQ_UINT8 * pixel, TQ_INT32 channelPos)
+{
+    return pixel[channelPos];
+}
+
+TQ_UINT16 KisU8BaseColorSpace::scaleToU16(const TQ_UINT8 * pixel, TQ_INT32 channelPos)
+{
+    return UINT8_TO_UINT16(pixel[channelPos]);
+}
+