diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
-rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 111 |
1 files changed, 56 insertions, 55 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index 41602a1..b9f439e 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -565,8 +565,8 @@ const uint * QT_FASTCALL fetchTransformed(uint *buffer, const Operator *, const int image_width = data->texture.width; int image_height = data->texture.height; - const qreal cx = x + 0.5; - const qreal cy = y + 0.5; + const qreal cx = x + qreal(0.5); + const qreal cy = y + qreal(0.5); const uint *end = buffer + length; uint *b = buffer; @@ -670,8 +670,8 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator * int image_width = data->texture.width; int image_height = data->texture.height; - const qreal cx = x + 0.5; - const qreal cy = y + 0.5; + const qreal cx = x + qreal(0.5); + const qreal cy = y + qreal(0.5); const uint *end = buffer + length; uint *b = buffer; @@ -747,8 +747,8 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator * while (b < end) { const qreal iw = fw == 0 ? 1 : 1 / fw; - const qreal px = fx * iw - 0.5; - const qreal py = fy * iw - 0.5; + const qreal px = fx * iw - qreal(0.5); + const qreal py = fy * iw - qreal(0.5); int x1 = int(px) - (px < 0); int x2 = x1 + 1; @@ -927,7 +927,7 @@ static const SourceFetchProc sourceFetch[NBlendTypes][QImage::NImageFormats] = { static inline uint qt_gradient_pixel(const QGradientData *data, qreal pos) { - int ipos = int(pos * (GRADIENT_STOPTABLE_SIZE - 1) + 0.5); + int ipos = int(pos * (GRADIENT_STOPTABLE_SIZE - 1) + qreal(0.5)); // calculate the actual offset. if (ipos < 0 || ipos >= GRADIENT_STOPTABLE_SIZE) { @@ -1008,8 +1008,8 @@ static const uint * QT_FASTCALL fetchLinearGradient(uint *buffer, const Operator if (op->linear.l == 0) { t = inc = 0; } else { - rx = data->m21 * (y + 0.5) + data->m11 * (x + 0.5) + data->dx; - ry = data->m22 * (y + 0.5) + data->m12 * (x + 0.5) + data->dy; + rx = data->m21 * (y + qreal(0.5)) + data->m11 * (x + qreal(0.5)) + data->dx; + ry = data->m22 * (y + qreal(0.5)) + data->m12 * (x + qreal(0.5)) + data->dy; t = op->linear.dx*rx + op->linear.dy*ry + op->linear.off; inc = op->linear.dx * data->m11 + op->linear.dy * data->m12; affine = !data->m13 && !data->m23; @@ -1045,7 +1045,7 @@ static const uint * QT_FASTCALL fetchLinearGradient(uint *buffer, const Operator } } } else { // fall back to float math here as well - qreal rw = data->m23 * (y + 0.5) + data->m13 * (x + 0.5) + data->m33; + qreal rw = data->m23 * (y + qreal(0.5)) + data->m13 * (x + qreal(0.5)) + data->m33; while (buffer < end) { qreal x = rx/rw; qreal y = ry/rw; @@ -1092,10 +1092,10 @@ static const uint * QT_FASTCALL fetchRadialGradient(uint *buffer, const Operator int y, int x, int length) { const uint *b = buffer; - qreal rx = data->m21 * (y + 0.5) - + data->dx + data->m11 * (x + 0.5); - qreal ry = data->m22 * (y + 0.5) - + data->dy + data->m12 * (x + 0.5); + qreal rx = data->m21 * (y + qreal(0.5)) + + data->dx + data->m11 * (x + qreal(0.5)); + qreal ry = data->m22 * (y + qreal(0.5)) + + data->dy + data->m12 * (x + qreal(0.5)); bool affine = !data->m13 && !data->m23; //qreal r = data->gradient.radial.radius; @@ -1141,8 +1141,8 @@ static const uint * QT_FASTCALL fetchRadialGradient(uint *buffer, const Operator ++buffer; } } else { - qreal rw = data->m23 * (y + 0.5) - + data->m33 + data->m13 * (x + 0.5); + qreal rw = data->m23 * (y + qreal(0.5)) + + data->m33 + data->m13 * (x + qreal(0.5)); if (!rw) rw = 1; while (buffer < end) { @@ -1171,10 +1171,10 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato int y, int x, int length) { const uint *b = buffer; - qreal rx = data->m21 * (y + 0.5) - + data->dx + data->m11 * (x + 0.5); - qreal ry = data->m22 * (y + 0.5) - + data->dy + data->m12 * (x + 0.5); + qreal rx = data->m21 * (y + qreal(0.5)) + + data->dx + data->m11 * (x + qreal(0.5)); + qreal ry = data->m22 * (y + qreal(0.5)) + + data->dy + data->m12 * (x + qreal(0.5)); bool affine = !data->m13 && !data->m23; const uint *end = buffer + length; @@ -1182,25 +1182,25 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato rx -= data->gradient.conical.center.x; ry -= data->gradient.conical.center.y; while (buffer < end) { - qreal angle = atan2(ry, rx) + data->gradient.conical.angle; + qreal angle = qAtan2(ry, rx) + data->gradient.conical.angle; - *buffer = qt_gradient_pixel(&data->gradient, 1 - angle / (2*Q_PI)); + *buffer = qt_gradient_pixel(&data->gradient, 1 - angle / Q_2PI); rx += data->m11; ry += data->m12; ++buffer; } } else { - qreal rw = data->m23 * (y + 0.5) - + data->m33 + data->m13 * (x + 0.5); + qreal rw = data->m23 * (y + qreal(0.5)) + + data->m33 + data->m13 * (x + qreal(0.5)); if (!rw) rw = 1; while (buffer < end) { - qreal angle = atan2(ry/rw - data->gradient.conical.center.x, + qreal angle = qAtan2(ry/rw - data->gradient.conical.center.x, rx/rw - data->gradient.conical.center.y) + data->gradient.conical.angle; - *buffer = qt_gradient_pixel(&data->gradient, 1. - angle / (2*Q_PI)); + *buffer = qt_gradient_pixel(&data->gradient, qreal(1.) - angle / Q_2PI); rx += data->m11; ry += data->m12; @@ -5168,8 +5168,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); int x = int((data->m21 * cy + data->m11 * cx + data->dx) * fixed_scale) - half_point; @@ -5243,8 +5243,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); qreal x = data->m21 * cy + data->m11 * cx + data->dx; qreal y = data->m22 * cy + data->m12 * cx + data->dy; @@ -5258,8 +5258,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_argb(int count, const 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; + const qreal px = x * iw - qreal(0.5); + const qreal py = y * iw - qreal(0.5); int x1 = int(px) - (px < 0); int x2 = x1 + 1; @@ -5670,8 +5670,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_tiled_argb(int count, 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); int x = int((data->m21 * cy + data->m11 * cx + data->dx) * fixed_scale) - half_point; @@ -5753,8 +5753,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_tiled_argb(int count, 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); qreal x = data->m21 * cy + data->m11 * cx + data->dx; qreal y = data->m22 * cy + data->m12 * cx + data->dy; @@ -5768,8 +5768,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_bilinear_tiled_argb(int count, 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; + const qreal px = x * iw - qreal(0.5); + const qreal py = y * iw - qreal(0.5); int x1 = int(px) - (px < 0); int x2 = x1 + 1; @@ -5861,8 +5861,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_argb(int count, const QSpan *s 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); int x = int((data->m21 * cy + data->m11 * cx + data->dx) * fixed_scale); @@ -5909,8 +5909,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_argb(int count, const QSpan *s 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); qreal x = data->m21 * cy + data->m11 * cx + data->dx; qreal y = data->m22 * cy + data->m12 * cx + data->dy; @@ -6261,8 +6261,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_tiled_argb(int count, const QS 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); int x = int((data->m21 * cy + data->m11 * cx + data->dx) * fixed_scale); @@ -6313,8 +6313,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_tiled_argb(int count, const QS 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; + const qreal cx = spans->x + qreal(0.5); + const qreal cy = spans->y + qreal(0.5); qreal x = data->m21 * cy + data->m11 * cx + data->dx; qreal y = data->m22 * cy + data->m12 * cx + data->dy; @@ -6998,7 +6998,7 @@ static void qt_gradient_quint32(int count, const QSpan *spans, void *userData) */ const int gss = GRADIENT_STOPTABLE_SIZE - 1; int yinc = int((linear.dy * data->m22 * gss) * FIXPT_SIZE); - int off = int((((linear.dy * (data->m22 * 0.5 + data->dy) + linear.off) * gss) * FIXPT_SIZE)); + int off = int((((linear.dy * (data->m22 * qreal(0.5) + data->dy) + linear.off) * gss) * FIXPT_SIZE)); while (count--) { int y = spans->y; @@ -7046,7 +7046,7 @@ static void qt_gradient_quint16(int count, const QSpan *spans, void *userData) */ const int gss = GRADIENT_STOPTABLE_SIZE - 1; int yinc = int((linear.dy * data->m22 * gss) * FIXPT_SIZE); - int off = int((((linear.dy * (data->m22 * 0.5 + data->dy) + linear.off) * gss) * FIXPT_SIZE)); + int off = int((((linear.dy * (data->m22 * qreal(0.5) + data->dy) + linear.off) * gss) * FIXPT_SIZE)); uint oldColor = data->solid.color; while (count--) { @@ -7125,13 +7125,13 @@ void qt_build_pow_tables() { #ifdef Q_WS_MAC // decided by testing a few things on an iMac, should probably get this from the // system... - smoothing = 2.0; + smoothing = qreal(2.0); #endif #ifdef Q_WS_WIN int winSmooth; if (SystemParametersInfo(0x200C /* SPI_GETFONTSMOOTHINGCONTRAST */, 0, &winSmooth, 0)) - smoothing = winSmooth / 1000.0; + smoothing = winSmooth / qreal(1000.0); #endif #ifdef Q_WS_X11 @@ -7141,18 +7141,19 @@ void qt_build_pow_tables() { qt_pow_rgb_invgamma[i] = uchar(i); } #else + const qreal inv_255 = 1 / qreal(255.0); for (int i=0; i<256; ++i) { - qt_pow_rgb_gamma[i] = uchar(qRound(pow(i / qreal(255.0), smoothing) * 255)); - qt_pow_rgb_invgamma[i] = uchar(qRound(pow(i / qreal(255.), 1 / smoothing) * 255)); + qt_pow_rgb_gamma[i] = uchar(qRound(qPow(i * inv_255, smoothing) * 255)); + qt_pow_rgb_invgamma[i] = uchar(qRound(qPow(i * inv_255, 1 / smoothing) * 255)); } #endif #if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) - const qreal gray_gamma = 2.31; + const qreal gray_gamma = qreal(2.31); for (int i=0; i<256; ++i) - qt_pow_gamma[i] = uint(qRound(pow(i / qreal(255.), gray_gamma) * 2047)); + qt_pow_gamma[i] = uint(qRound(qPow(i / qreal(255.), gray_gamma) * 2047)); for (int i=0; i<2048; ++i) - qt_pow_invgamma[i] = uchar(qRound(pow(i / 2047.0, 1 / gray_gamma) * 255)); + qt_pow_invgamma[i] = uchar(qRound(qPow(i / qreal(2047.0), 1 / gray_gamma) * 255)); #endif } |