diff options
Diffstat (limited to 'src/gui')
-rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 276 |
1 files changed, 61 insertions, 215 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index 6561419..322882d 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -5143,7 +5143,7 @@ static void blend_tiled_rgb444(int count, const QSpan *spans, void *userData) } -template <SpanMethod spanMethod> +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); @@ -5156,10 +5156,12 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const CompositionFunction func = functionForMode[data->rasterBuffer->compositionMode]; uint buffer[buffer_size]; - int image_x1 = data->texture.x1; - int image_y1 = data->texture.y1; - int image_x2 = data->texture.x2; - int image_y2 = data->texture.y2; + 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) { @@ -5193,15 +5195,27 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const int y1 = (y >> 16); int y2 = y1 + 1; - int distx = ((x - (x1 << 16)) >> 8); - int disty = ((y - (y1 << 16)) >> 8); - int idistx = 256 - distx; - int idisty = 256 - disty; - - x1 = qBound(image_x1, x1, image_x2 - 1); - x2 = qBound(image_x1, x2, image_x2 - 1); - y1 = qBound(image_y1, y1, image_y2 - 1); - y2 = qBound(image_y1, y2, image_y2 - 1); + if (blendType == BlendTransformedBilinearTiled) { + x1 %= image_width; + x2 %= image_width; + y1 %= image_height; + y2 %= image_height; + + if (x1 < 0) x1 += image_width; + if (x2 < 0) x2 += image_width; + if (y1 < 0) y1 += image_height; + if (y2 < 0) y2 += image_height; + + Q_ASSERT(x1 >= 0 && x1 < image_width); + Q_ASSERT(x2 >= 0 && x2 < image_width); + Q_ASSERT(y1 >= 0 && y1 < image_height); + Q_ASSERT(y2 >= 0 && y2 < image_height); + } else { + x1 = qBound(image_x1, x1, image_x2 - 1); + x2 = qBound(image_x1, x2, image_x2 - 1); + y1 = qBound(image_y1, y1, image_y2 - 1); + y2 = qBound(image_y1, y2, image_y2 - 1); + } int y1_offset = y1 * scanline_offset; int y2_offset = y2 * scanline_offset; @@ -5218,6 +5232,11 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const 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); @@ -5276,10 +5295,27 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const int idistx = 256 - distx; int idisty = 256 - disty; - x1 = qBound(image_x1, x1, image_x2 - 1); - x2 = qBound(image_x1, x2, image_x2 - 1); - y1 = qBound(image_y1, y1, image_y2 - 1); - y2 = qBound(image_y1, y2, image_y2 - 1); + if (blendType == BlendTransformedBilinearTiled) { + x1 %= image_width; + x2 %= image_width; + y1 %= image_height; + y2 %= image_height; + + if (x1 < 0) x1 += image_width; + if (x2 < 0) x2 += image_width; + if (y1 < 0) y1 += image_height; + if (y2 < 0) y2 += image_height; + + Q_ASSERT(x1 >= 0 && x1 < image_width); + Q_ASSERT(x2 >= 0 && x2 < image_width); + Q_ASSERT(y1 >= 0 && y1 < image_height); + Q_ASSERT(y2 >= 0 && y2 < image_height); + } else { + x1 = qBound(image_x1, x1, image_x2 - 1); + x2 = qBound(image_x1, x2, image_x2 - 1); + y1 = qBound(image_y1, y1, image_y2 - 1); + y2 = qBound(image_y1, y2, image_y2 - 1); + } int y1_offset = y1 * scanline_offset; int y2_offset = y2 * scanline_offset; @@ -5372,8 +5408,9 @@ Q_STATIC_TEMPLATE_FUNCTION void blendTransformedBilinear(int count, const QSpan int y1 = (y >> 16); int y2 = y1 + 1; - const int distx = ((x - (x1 << 16)) >> 8); - const int disty = ((y - (y1 << 16)) >> 8); + const int distx = (x & 0x0000ffff) >> 8; + const int disty = (y & 0x0000ffff) >> 8; + x1 = qBound(src_minx, x1, src_maxx); x2 = qBound(src_minx, x2, src_maxx); y1 = qBound(src_miny, y1, src_maxy); @@ -5648,197 +5685,6 @@ static void blend_transformed_bilinear_rgb444(int count, const QSpan *spans, voi } template <SpanMethod spanMethod> -Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_tiled_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]; - - int image_width = data->texture.width; - 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 = (spans->coverage * data->texture.const_alpha) >> 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 = (x1 + 1); - int y1 = (y >> 16); - int y2 = (y1 + 1); - - int distx = ((x - (x1 << 16)) >> 8); - int disty = ((y - (y1 << 16)) >> 8); - int idistx = 256 - distx; - int idisty = 256 - disty; - - x1 %= image_width; - x2 %= image_width; - y1 %= image_height; - y2 %= image_height; - - if (x1 < 0) x1 += image_width; - if (x2 < 0) x2 += image_width; - if (y1 < 0) y1 += image_height; - if (y2 < 0) y2 += image_height; - - Q_ASSERT(x1 >= 0 && x1 < image_width); - Q_ASSERT(x2 >= 0 && x2 < image_width); - Q_ASSERT(y1 >= 0 && y1 < image_height); - Q_ASSERT(y2 >= 0 && y2 < image_height); - - 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; - } - 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 = (spans->coverage * data->texture.const_alpha) >> 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 = x1 + 1; - int y1 = int(py) - (py < 0); - int y2 = y1 + 1; - - int distx = int((px - x1) * 256); - int disty = int((py - y1) * 256); - int idistx = 256 - distx; - int idisty = 256 - disty; - - x1 %= image_width; - x2 %= image_width; - y1 %= image_height; - y2 %= image_height; - - if (x1 < 0) x1 += image_width; - if (x2 < 0) x2 += image_width; - if (y1 < 0) y1 += image_height; - if (y2 < 0) y2 += image_height; - - Q_ASSERT(x1 >= 0 && x1 < image_width); - Q_ASSERT(x2 >= 0 && x2 < image_width); - Q_ASSERT(y1 >= 0 && y1 < image_height); - Q_ASSERT(y2 >= 0 && y2 < image_height); - - 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 <SpanMethod spanMethod> Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_argb(int count, const QSpan *spans, void *userData) { QSpanData *data = reinterpret_cast<QSpanData *>(userData); @@ -6740,7 +6586,7 @@ 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 - SPANFUNC_POINTER(blend_transformed_bilinear_argb, RegularSpans), // ARGB32_Premultiplied + blend_transformed_bilinear_argb<RegularSpans, BlendTransformedBilinear>, // ARGB32_Premultiplied blend_transformed_bilinear_rgb565, blend_transformed_bilinear_argb8565, blend_transformed_bilinear_rgb666, @@ -6759,7 +6605,7 @@ 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 - SPANFUNC_POINTER(blend_transformed_bilinear_tiled_argb, RegularSpans), // ARGB32_Premultiplied + blend_transformed_bilinear_argb<RegularSpans, BlendTransformedBilinearTiled>, // ARGB32_Premultiplied SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB16 SPANFUNC_POINTER(blend_src_generic, RegularSpans), // ARGB8565_Premultiplied SPANFUNC_POINTER(blend_src_generic, RegularSpans), // RGB666 @@ -6858,7 +6704,7 @@ 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>, // ARGB32_Premultiplied + blend_transformed_bilinear_argb<CallbackSpans, BlendTransformedBilinear>, // ARGB32_Premultiplied blend_src_generic<CallbackSpans>, // RGB16 blend_src_generic<CallbackSpans>, // ARGB8565_Premultiplied blend_src_generic<CallbackSpans>, // RGB666 @@ -6877,7 +6723,7 @@ 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_tiled_argb<CallbackSpans>, // ARGB32_Premultiplied + blend_transformed_bilinear_argb<CallbackSpans, BlendTransformedBilinearTiled>, // ARGB32_Premultiplied blend_src_generic<CallbackSpans>, // RGB16 blend_src_generic<CallbackSpans>, // ARGB8565_Premultiplied blend_src_generic<CallbackSpans>, // RGB666 |