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/*
* Copyright © 1998 Keith Packard
* Copyright © 2012 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "fb.h"
#include "fbclip.h"
static void
fbPushPattern(DrawablePtr drawable, GCPtr gc,
FbStip *src, FbStride srcStride, int srcX,
int x, int y, int width, int height)
{
FbStip *s, bitsMask, bitsMask0, bits;
int xspan;
int w;
int lenspan;
src += srcX >> FB_STIP_SHIFT;
srcX &= FB_STIP_MASK;
bitsMask0 = FbStipMask(srcX, 1);
while (height--) {
bitsMask = bitsMask0;
w = width;
s = src;
src += srcStride;
bits = READ(s++);
xspan = x;
while (w) {
if (bits & bitsMask) {
lenspan = 0;
do {
if (++lenspan == w)
break;
bitsMask = FbStipRight(bitsMask, 1);
if (!bitsMask) {
bits = READ(s++);
bitsMask = FbBitsMask(0, 1);
}
} while (bits & bitsMask);
fbFill(drawable, gc, xspan, y, lenspan, 1);
xspan += lenspan;
w -= lenspan;
} else {
do {
xspan++;
if (!--w)
break;
bitsMask = FbStipRight(bitsMask, 1);
if (!bitsMask) {
bits = READ(s++);
bitsMask = FbBitsMask(0, 1);
}
} while (!(bits & bitsMask));
}
}
y++;
}
}
static void
fbPushFill(DrawablePtr drawable, GCPtr gc,
FbStip *src, FbStride srcStride, int srcX,
int x, int y, int width, int height)
{
FbGCPrivPtr pgc = fb_gc(gc);
if (gc->fillStyle == FillSolid) {
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
int dstX;
int dstWidth;
fbGetDrawable(drawable, dst,
dstStride, dstBpp, dstXoff, dstYoff);
dst = dst + (y + dstYoff) * dstStride;
dstX = (x + dstXoff) * dstBpp;
dstWidth = width * dstBpp;
if (dstBpp == 1) {
fbBltStip(src, srcStride, srcX,
(FbStip *)dst, dstStride, dstX,
dstWidth, height,
FbStipple1Rop(gc->alu, gc->fgPixel), pgc->pm, dstBpp);
} else {
fbBltOne(src, srcStride, srcX,
dst, dstStride, dstX, dstBpp,
dstWidth, height,
pgc->and, pgc->xor,
fbAnd(GXnoop, (FbBits) 0, FB_ALLONES),
fbXor(GXnoop, (FbBits) 0, FB_ALLONES));
}
} else
fbPushPattern(drawable, gc, src, srcStride, srcX,
x, y, width, height);
}
struct fbPushImage {
FbStip *src;
FbStride stride;
int x0, y0;
};
inline static void
_fbPushImage(DrawablePtr drawable, GCPtr gc, const BoxRec *b, void *_data)
{
struct fbPushImage *data = _data;
fbPushFill(drawable, gc,
data->src + (b->y1 - data->y0) * data->stride, data->stride,
b->x1 - data->x0,
b->x1, b->y1,
b->x2 - b->x1, b->y2 - b->y1);
}
void
fbPushImage(DrawablePtr drawable, GCPtr gc,
FbStip *src, FbStride stride, int dx,
int x, int y, int width, int height)
{
struct fbPushImage data;
BoxRec box;
DBG(("%s (%d, %d)x(%d, %d)", __FUNCTION__, x, y, width, height));
data.src = src;
data.stride = stride;
data.y0 = y;
data.x0 = x - dx;
box.x1 = x;
box.y1 = y;
box.x2 = x + width;
box.y2 = y + height;
fbDrawableRun(drawable, gc, &box, _fbPushImage, &data);
}
void
fbPushPixels(GCPtr gc, PixmapPtr bitmap, DrawablePtr drawable,
int dx, int dy, int xOrg, int yOrg)
{
FbStip *stip;
FbStride stipStride;
int stipBpp;
_X_UNUSED int stipXoff, stipYoff;
DBG(("%s bitmap=%x%d\n", __FUNCTION__,
bitmap->drawable.width, bitmap->drawable.height));
fbGetStipDrawable(&bitmap->drawable, stip,
stipStride, stipBpp, stipXoff, stipYoff);
fbPushImage(drawable, gc, stip, stipStride, 0, xOrg, yOrg, dx, dy);
}
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