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authorDavid Boddie <david.boddie@nokia.com>2010-09-06 12:54:55 (GMT)
committerDavid Boddie <david.boddie@nokia.com>2010-09-06 12:54:55 (GMT)
commit4b68c14af425a3f8441ae0377c178d398192d45a (patch)
treec6f1fe35f946fde9e0f276d7e3b2c00386fd471d /src/gui/painting/qdrawhelper.cpp
parent5cfc65d04858563e53987b224f36ee71356aa73c (diff)
parentb3de9c2ee4c9f36a6133fc78109909c3ee6317fd (diff)
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Merge branch '4.7' into qmldocs
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
-rw-r--r--src/gui/painting/qdrawhelper.cpp197
1 files changed, 11 insertions, 186 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 5e1509d..cf487b5 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -684,8 +684,8 @@ Q_STATIC_TEMPLATE_FUNCTION inline void fetchTransformedBilinear_pixelBounds(int
} else {
if (v1 < l1) {
v2 = v1 = l1;
- } else if (v1 >= l2 - 1) {
- v2 = v1 = l2 - 1;
+ } else if (v1 >= l2) {
+ v2 = v1 = l2;
} else {
v2 = v1 + 1;
}
@@ -715,8 +715,8 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator *
int image_x1 = data->texture.x1;
int image_y1 = data->texture.y1;
- int image_x2 = data->texture.x2;
- int image_y2 = data->texture.y2;
+ int image_x2 = data->texture.x2 - 1;
+ int image_y2 = data->texture.y2 - 1;
const qreal cx = x + 0.5;
const qreal cy = y + 0.5;
@@ -763,9 +763,9 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator *
x %= image_width;
if (x < 0) x += image_width;
} else {
- lim = qMin(count, image_x2-x);
+ lim = qMin(count, image_x2-x+1);
if (x < image_x1) {
- Q_ASSERT(x < image_x2);
+ Q_ASSERT(x <= image_x2);
uint t = fetch(s1, image_x1, data->texture.colorTable);
uint b = fetch(s2, image_x1, data->texture.colorTable);
quint32 rb = (((t & 0xff00ff) * idisty + (b & 0xff00ff) * disty) >> 8) & 0xff00ff;
@@ -818,7 +818,7 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator *
if (blendType == BlendTransformedBilinearTiled) {
if (x >= image_width) x -= image_width;
} else {
- x = qMin(x, image_x2 - 1);
+ x = qMin(x, image_x2);
}
uint t = fetch(s1, x, data->texture.colorTable);
@@ -5335,181 +5335,6 @@ static void blend_tiled_rgb444(int count, const QSpan *spans, void *userData)
blend_tiled_generic<RegularSpans>(count, spans, userData);
}
-
-template <SpanMethod spanMethod, TextureBlendType blendType> /* blendType must be either BlendTransformedBilinear or BlendTransformedBilinearTiled */
-Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const QSpan *spans, void *userData)
-{
- QSpanData *data = reinterpret_cast<QSpanData *>(userData);
- if (data->texture.format != QImage::Format_ARGB32_Premultiplied
- && data->texture.format != QImage::Format_RGB32) {
- blend_src_generic<spanMethod>(count, spans, userData);
- return;
- }
-
- CompositionFunction func = functionForMode[data->rasterBuffer->compositionMode];
- uint buffer[buffer_size];
-
- const int image_x1 = data->texture.x1;
- const int image_y1 = data->texture.y1;
- const int image_x2 = data->texture.x2;
- const int image_y2 = data->texture.y2;
- const int image_width = data->texture.width;
- const int image_height = data->texture.height;
- const int scanline_offset = data->texture.bytesPerLine / 4;
-
- if (data->fast_matrix) {
- // The increment pr x in the scanline
- int fdx = (int)(data->m11 * fixed_scale);
- int fdy = (int)(data->m12 * fixed_scale);
-
- while (count--) {
- void *t = data->rasterBuffer->scanLine(spans->y);
-
- uint *target = ((uint *)t) + spans->x;
- uint *image_bits = (uint *)data->texture.imageData;
-
- const qreal cx = spans->x + 0.5;
- const qreal cy = spans->y + 0.5;
-
- int x = int((data->m21 * cy
- + data->m11 * cx + data->dx) * fixed_scale) - half_point;
- int y = int((data->m22 * cy
- + data->m12 * cx + data->dy) * fixed_scale) - half_point;
-
- int length = spans->len;
- const int coverage = (data->texture.const_alpha * spans->coverage) >> 8;
- while (length) {
- int l = qMin(length, buffer_size);
- const uint *end = buffer + l;
- uint *b = buffer;
- while (b < end) {
- int x1 = (x >> 16);
- int x2;
- int y1 = (y >> 16);
- int y2;
-
- fetchTransformedBilinear_pixelBounds<blendType>(image_width, image_x1, image_x2, x1, x2);
- fetchTransformedBilinear_pixelBounds<blendType>(image_height, image_y1, image_y2, y1, y2);
-
- int y1_offset = y1 * scanline_offset;
- int y2_offset = y2 * scanline_offset;
-
-#if defined(Q_IRIX_GCC3_3_WORKAROUND)
- uint tl = gccBug(image_bits[y1_offset + x1]);
- uint tr = gccBug(image_bits[y1_offset + x2]);
- uint bl = gccBug(image_bits[y2_offset + x1]);
- uint br = gccBug(image_bits[y2_offset + x2]);
-#else
- uint tl = image_bits[y1_offset + x1];
- uint tr = image_bits[y1_offset + x2];
- uint bl = image_bits[y2_offset + x1];
- uint br = image_bits[y2_offset + x2];
-#endif
-
- int distx = (x & 0x0000ffff) >> 8;
- int disty = (y & 0x0000ffff) >> 8;
- int idistx = 256 - distx;
- int idisty = 256 - disty;
-
- uint xtop = INTERPOLATE_PIXEL_256(tl, idistx, tr, distx);
- uint xbot = INTERPOLATE_PIXEL_256(bl, idistx, br, distx);
- *b = INTERPOLATE_PIXEL_256(xtop, idisty, xbot, disty);
- ++b;
-
- x += fdx;
- y += fdy;
- }
- if (spanMethod == RegularSpans)
- func(target, buffer, l, coverage);
- else
- drawBufferSpan(data, buffer, buffer_size,
- spans->x + spans->len - length,
- spans->y, l, coverage);
- target += l;
- length -= l;
- }
- ++spans;
- }
- } else {
- const qreal fdx = data->m11;
- const qreal fdy = data->m12;
- const qreal fdw = data->m13;
-
- while (count--) {
- void *t = data->rasterBuffer->scanLine(spans->y);
-
- uint *target = ((uint *)t) + spans->x;
- uint *image_bits = (uint *)data->texture.imageData;
-
- const qreal cx = spans->x + 0.5;
- const qreal cy = spans->y + 0.5;
-
- qreal x = data->m21 * cy + data->m11 * cx + data->dx;
- qreal y = data->m22 * cy + data->m12 * cx + data->dy;
- qreal w = data->m23 * cy + data->m13 * cx + data->m33;
-
- int length = spans->len;
- const int coverage = (data->texture.const_alpha * spans->coverage) >> 8;
- while (length) {
- int l = qMin(length, buffer_size);
- const uint *end = buffer + l;
- uint *b = buffer;
- while (b < end) {
- const qreal iw = w == 0 ? 1 : 1 / w;
- const qreal px = x * iw - 0.5;
- const qreal py = y * iw - 0.5;
-
- int x1 = int(px) - (px < 0);
- int x2;
- int y1 = int(py) - (py < 0);
- int y2;
-
- int distx = int((px - x1) * 256);
- int disty = int((py - y1) * 256);
- int idistx = 256 - distx;
- int idisty = 256 - disty;
-
- fetchTransformedBilinear_pixelBounds<blendType>(image_width, image_x1, image_x2, x1, x2);
- fetchTransformedBilinear_pixelBounds<blendType>(image_height, image_y1, image_y2, y1, y2);
-
- int y1_offset = y1 * scanline_offset;
- int y2_offset = y2 * scanline_offset;
-
-#if defined(Q_IRIX_GCC3_3_WORKAROUND)
- uint tl = gccBug(image_bits[y1_offset + x1]);
- uint tr = gccBug(image_bits[y1_offset + x2]);
- uint bl = gccBug(image_bits[y2_offset + x1]);
- uint br = gccBug(image_bits[y2_offset + x2]);
-#else
- uint tl = image_bits[y1_offset + x1];
- uint tr = image_bits[y1_offset + x2];
- uint bl = image_bits[y2_offset + x1];
- uint br = image_bits[y2_offset + x2];
-#endif
-
- uint xtop = INTERPOLATE_PIXEL_256(tl, idistx, tr, distx);
- uint xbot = INTERPOLATE_PIXEL_256(bl, idistx, br, distx);
- *b = INTERPOLATE_PIXEL_256(xtop, idisty, xbot, disty);
- ++b;
-
- x += fdx;
- y += fdy;
- w += fdw;
- }
- if (spanMethod == RegularSpans)
- func(target, buffer, l, coverage);
- else
- drawBufferSpan(data, buffer, buffer_size,
- spans->x + spans->len - length,
- spans->y, l, coverage);
- target += l;
- length -= l;
- }
- ++spans;
- }
- }
-}
-
template <class DST, class SRC>
Q_STATIC_TEMPLATE_FUNCTION void blendTransformedBilinear(int count, const QSpan *spans,
void *userData)
@@ -6760,7 +6585,7 @@ static const ProcessSpans processTextureSpans[NBlendTypes][QImage::NImageFormats
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // Indexed8
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB32
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB32
- blend_transformed_bilinear_argb<RegularSpans, BlendTransformedBilinear>, // ARGB32_Premultiplied
+ SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB32_Premultiplied
blend_transformed_bilinear_rgb565,
blend_transformed_bilinear_argb8565,
blend_transformed_bilinear_rgb666,
@@ -6779,7 +6604,7 @@ static const ProcessSpans processTextureSpans[NBlendTypes][QImage::NImageFormats
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // Indexed8
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB32
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB32
- blend_transformed_bilinear_argb<RegularSpans, BlendTransformedBilinearTiled>, // ARGB32_Premultiplied
+ SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB32_Premultiplied
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB16
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB8565_Premultiplied
SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB666
@@ -6878,7 +6703,7 @@ static const ProcessSpans processTextureSpansCallback[NBlendTypes][QImage::NImag
blend_src_generic<CallbackSpans>, // Indexed8
blend_src_generic<CallbackSpans>, // RGB32
blend_src_generic<CallbackSpans>, // ARGB32
- blend_transformed_bilinear_argb<CallbackSpans, BlendTransformedBilinear>, // ARGB32_Premultiplied
+ blend_src_generic<CallbackSpans>, // ARGB32_Premultiplied
blend_src_generic<CallbackSpans>, // RGB16
blend_src_generic<CallbackSpans>, // ARGB8565_Premultiplied
blend_src_generic<CallbackSpans>, // RGB666
@@ -6897,7 +6722,7 @@ static const ProcessSpans processTextureSpansCallback[NBlendTypes][QImage::NImag
blend_src_generic<CallbackSpans>, // Indexed8
blend_src_generic<CallbackSpans>, // RGB32
blend_src_generic<CallbackSpans>, // ARGB32
- blend_transformed_bilinear_argb<CallbackSpans, BlendTransformedBilinearTiled>, // ARGB32_Premultiplied
+ blend_src_generic<CallbackSpans>, // ARGB32_Premultiplied
blend_src_generic<CallbackSpans>, // RGB16
blend_src_generic<CallbackSpans>, // ARGB8565_Premultiplied
blend_src_generic<CallbackSpans>, // RGB666