static void testStrokeShape(BView *view, BRect frame)
{
frame.InsetBy(2, 2);
BShape shape;
shape.MoveTo(BPoint(frame.left, frame.bottom));
shape.LineTo(BPoint(frame.right, frame.top));
shape.LineTo(BPoint(frame.left, frame.top));
shape.LineTo(BPoint(frame.right, frame.bottom));
view->StrokeShape(&shape);
}
void
LineChartRenderer::Render(BView* view, BRect updateRect)
{
if (!updateRect.IsValid() || updateRect.left > fFrame.right
|| fFrame.left > updateRect.right) {
return;
}
if (fDomain.min >= fDomain.max || fRange.min >= fRange.max)
return;
if (!_UpdateSamples())
return;
// get the range to draw (draw one more sample on each side)
int32 left = (int32)fFrame.left;
int32 first = (int32)updateRect.left - left - 1;
int32 last = (int32)updateRect.right - left + 1;
if (first < 0)
first = 0;
if (last > fFrame.IntegerWidth())
last = fFrame.IntegerWidth();
if (first > last)
return;
double minRange = fRange.min;
double sampleRange = fRange.max - minRange;
if (sampleRange == 0) {
minRange = fRange.min - 0.5;
sampleRange = 1;
}
double scale = (double)fFrame.IntegerHeight() / sampleRange;
// draw
view->SetLineMode(B_ROUND_CAP, B_ROUND_JOIN);
for (int32 i = 0; DataSourceInfo* info = fDataSources.ItemAt(i); i++) {
float bottom = fFrame.bottom;
BShape shape;
shape.MoveTo(BPoint(left + first,
bottom - ((info->samples[first] - minRange) * scale)));
for (int32 i = first; i <= last; i++) {
shape.LineTo(BPoint(float(left + i),
float(bottom - ((info->samples[i] - minRange) * scale))));
}
view->SetHighColor(info->config.Color());
view->MovePenTo(B_ORIGIN);
view->StrokeShape(&shape);
}
}
BShape*
TransportControlGroup::_CreatePlayShape(float height) const
{
BShape* shape = new BShape();
float step = floorf(height / 8);
shape->MoveTo(BPoint(height + step, height / 2));
shape->LineTo(BPoint(-step, height + step));
shape->LineTo(BPoint(-step, 0 - step));
shape->Close();
return shape;
}
void
MouseView::_CreateButtonsPicture()
{
BeginPicture(&fButtonsPicture);
SetScale(1.8 * fScaling);
SetOrigin(-21 * fScaling, -14 * fScaling);
BShape mouseShape;
mouseShape.MoveTo(BPoint(48, 12));
// top
BPoint control3[3] = { BPoint(44, 8), BPoint(20, 8), BPoint(16, 12) };
mouseShape.BezierTo(control3);
// left
BPoint control[3] = { BPoint(12, 16), BPoint(13, 27), BPoint(13, 27) };
mouseShape.BezierTo(control);
// bottom
BPoint control4[] = { BPoint(18, 30), BPoint(46, 30), BPoint(51, 27) };
mouseShape.BezierTo(control4);
// right
BPoint control2[3] = { BPoint(51, 27), BPoint(50, 14), BPoint(48, 12) };
mouseShape.BezierTo(control2);
mouseShape.Close();
SetHighColor(255, 0, 0, 255);
FillShape(&mouseShape, B_SOLID_HIGH);
EndPicture();
SetScale(1);
}
static void
draw_shape(void* _context, const BShape& shape, bool fill)
{
DrawingContext* context = reinterpret_cast<DrawingContext *>(_context);
ShapePainter drawShape(context);
drawShape.Iterate(&shape);
drawShape.Draw(shape.Bounds(), fill);
}
static void
draw_shape(void* _canvas, const BShape& shape, bool fill)
{
Canvas* const canvas = reinterpret_cast<Canvas*>(_canvas);
ShapePainter drawShape(canvas);
drawShape.Iterate(&shape);
drawShape.Draw(shape.Bounds(), fill);
}
static void
DrawStuff(BView *view)
{
// StrokeShape
BShape shape;
BPoint bezier[3] = {BPoint(100,0), BPoint(100, 100), BPoint(25, 50)};
shape.MoveTo(BPoint(150,0));
shape.LineTo(BPoint(200,100));
shape.BezierTo(bezier);
shape.Close();
view->StrokeShape(&shape);
// Stroke/FillRect, Push/PopState, SetHighColor, SetLineMode, SetPenSize
view->PushState();
const rgb_color blue = { 0, 0, 240, 0 };
view->SetHighColor(blue);
view->SetLineMode(B_BUTT_CAP, B_BEVEL_JOIN);
view->SetPenSize(7);
view->StrokeRect(BRect(10, 220, 50, 260));
view->FillRect(BRect(65, 245, 120, 300));
view->PopState();
// Stroke/FillEllipse
view->StrokeEllipse(BPoint(50, 150), 50, 50);
view->FillEllipse(BPoint(100, 120), 50, 50);
// Stroke/FillArc
view->StrokeArc(BRect(0, 200, 50, 250), 180, 180);
view->FillArc(BPoint(150, 250), 50, 50, 0, 125);
// DrawString, SetHighColor, SetFontSize
const rgb_color red = { 240, 0, 0, 0 };
view->SetHighColor(red);
view->SetFontSize(20);
view->DrawString("BPicture ", BPoint(30, 20));
view->DrawString("test");
// DrawLine with pen position
const rgb_color purple = { 200, 0, 220, 0 };
view->SetHighColor(purple);
view->StrokeLine(BPoint(50, 30), BPoint(30, 50));
view->StrokeLine(BPoint(80, 50));
view->StrokeLine(BPoint(50, 30));
}
void
Leaves::Draw(BView* view, int32 frame)
{
float scale = fLeafSize / kLeafWidth / (kMaximumLeafSize * 2);
scale *= view->Bounds().Width();
scale += scale * drand48() * fSizeVariation / 100.;
BAffineTransform transform;
transform.TranslateBy(-kLeafWidth / 2, -kLeafHeight / 2);
// draw the leaf centered on the point
transform.RotateBy(drand48() * 2. * M_PI);
if ((rand() & 64) == 0) transform.ScaleBy(-1., 1.);
// flip half of the time
transform.ScaleBy(scale);
transform.TranslateBy(_RandomPoint(view->Bounds()));
BPoint center = transform.Apply(BPoint(kLeafWidth / 2, kLeafHeight / 2));
BPoint gradientOffset = BPoint(60 * scale, 80 * scale);
BGradientLinear gradient(center - gradientOffset, center + gradientOffset);
int color = (rand() / 7) % kColorCount;
gradient.AddColor(kColors[color][0], 0.f);
gradient.AddColor(kColors[color][1], 255.f);
BShape leafShape;
leafShape.MoveTo(transform.Apply(kLeafBegin));
for (int i = 0; i < kLeafCurveCount; ++i) {
BPoint control[3];
for (int j = 0; j < 3; ++j)
control[j] = transform.Apply(kLeafCurves[i][j]);
leafShape.BezierTo(control);
}
leafShape.Close();
view->PushState();
view->SetDrawingMode(B_OP_ALPHA);
view->SetHighColor(0, 0, 0, 50);
for (int i = 2; i >= 0; --i) {
view->SetOrigin(i * 0.1, i * 0.3);
view->SetPenSize(i * 2);
view->StrokeShape(&leafShape);
}
view->PopState();
view->FillShape(&leafShape, gradient);
}
BShape*
TransportControlGroup::_CreateForwardShape(float height) const
{
BShape* shape = new BShape();
shape->MoveTo(BPoint(height, height / 2));
shape->LineTo(BPoint(0, height));
shape->LineTo(BPoint(0, 0));
shape->Close();
shape->MoveTo(BPoint(height * 2, height / 2));
shape->LineTo(BPoint(height, height));
shape->LineTo(BPoint(height, 0));
shape->Close();
return shape;
}
void
PDFWriter::ClipChar(BFont* font, const char* unicode, const char* utf8,
int16 size, float width)
{
BShape glyph;
bool hasGlyph[1];
font->GetHasGlyphs(utf8, 1, hasGlyph);
if (hasGlyph[0]) {
BShape *glyphs[1];
glyphs[0] = &glyph;
font->GetGlyphShapes(utf8, 1, glyphs);
} else {
REPORT(kWarning, fPage, "glyph for %*.*s not found!", size, size, utf8);
// create a rectangle instead
font_height height;
fState->beFont.GetHeight(&height);
BRect r(0, 0, width, height.ascent);
float w = r.Width() < r.Height() ? r.Width()*0.1 : r.Height()*0.1;
BRect o = r; o.InsetBy(w, w);
w *= 2.0;
BRect i = r; i.InsetBy(w, w);
o.OffsetBy(0, -height.ascent);
i.OffsetBy(0, -height.ascent);
glyph.MoveTo(BPoint(o.left, o.top));
glyph.LineTo(BPoint(o.right, o.top));
glyph.LineTo(BPoint(o.right, o.bottom));
glyph.LineTo(BPoint(o.left, o.bottom));
glyph.Close();
glyph.MoveTo(BPoint(i.left, i.top));
glyph.LineTo(BPoint(i.left, i.bottom));
glyph.LineTo(BPoint(i.right, i.bottom));
glyph.LineTo(BPoint(i.right, i.top));
glyph.Close();
}
BPoint p(fState->penX, fState->penY);
PushInternalState(); SetOrigin(p);
{
DrawShape iterator(this, false);
iterator.Iterate(&glyph);
}
PopInternalState();
}
void
BMenuItem::_DrawSubmenuSymbol(rgb_color bgColor)
{
fSuper->PushState();
BRect r(fBounds);
float rightMargin;
MenuPrivate(fSuper).GetItemMargins(NULL, NULL, &rightMargin, NULL);
r.left = r.right - rightMargin + 3;
r.right -= 1;
BPoint center(floorf((r.left + r.right) / 2.0),
floorf((r.top + r.bottom) / 2.0));
float size = min_c(r.Height() - 2, r.Width());
r.top = floorf(center.y - size / 2 + 0.5);
r.bottom = floorf(center.y + size / 2 + 0.5);
r.left = floorf(center.x - size / 2 + 0.5);
r.right = floorf(center.x + size / 2 + 0.5);
BShape arrowShape;
center.x += 0.5;
center.y += 0.5;
size *= 0.25;
float hSize = size * 0.7;
arrowShape.MoveTo(BPoint(center.x - hSize, center.y - size));
arrowShape.LineTo(BPoint(center.x + hSize, center.y));
arrowShape.LineTo(BPoint(center.x - hSize, center.y + size));
fSuper->SetDrawingMode(B_OP_OVER);
fSuper->SetHighColor(tint_color(bgColor, B_DARKEN_MAX_TINT));
fSuper->SetPenSize(ceilf(size * 0.4));
// NOTE: StrokeShape() offsets the shape by the current pen position,
// it is not documented in the BeBook, but it is true!
fSuper->MovePenTo(B_ORIGIN);
fSuper->StrokeShape(&arrowShape);
fSuper->PopState();
}
void
LeafView::Draw(BRect updateRect)
{
float scale = Bounds().Width() / kLeafWidth;
BAffineTransform transform;
transform.ScaleBy(scale);
// BGradientRadial gradient(BPoint(kLeafWidth * 0.75, kLeafHeight * 1.5),
// kLeafWidth * 2);
BGradientLinear gradient(B_ORIGIN,
transform.Apply(BPoint(kLeafWidth, kLeafHeight)));
rgb_color lightBlue = make_color(6, 169, 255);
rgb_color darkBlue = make_color(0, 50, 126);
gradient.AddColor(darkBlue, 0.0);
gradient.AddColor(lightBlue, 255.0);
// build leaf shape
BShape leafShape;
leafShape.MoveTo(transform.Apply(kLeafBegin));
for (int i = 0; i < kNumLeafCurves; ++i) {
BPoint controlPoints[3];
for (int j = 0; j < 3; ++j)
controlPoints[j] = transform.Apply(kLeafCurves[i][j]);
leafShape.BezierTo(controlPoints);
}
leafShape.Close();
PushState();
SetDrawingMode(B_OP_ALPHA);
SetHighColor(0, 0, 0, 50);
for (int i = 2; i >= 0; --i) {
SetOrigin(i * 0.1, i * 0.3);
SetPenSize(i * 2);
StrokeShape(&leafShape);
}
PopState();
FillShape(&leafShape, gradient);
}
void PathView::Draw(BRect updateRect) {
if (fMode == kDrawOutline) {
} else if (fMode == kStroke) {
const int n = fPath.CountPoints();
BShape shape;
for (int i = 0; i < n; i++) {
if (i == 0)
shape.MoveTo(fPath.PointAt(i));
else
shape.LineTo(fPath.PointAt(i));
}
if (fPath.IsClosed()) shape.Close();
SetPenSize(fWidth);
StrokeShape(&shape);
ShapeLPB path(&fPath, fWidth, LineCapMode(), LineJoinMode(), LineMiterLimit());
path.CreateLinePath();
SetPenSize(1);
BPicture picture;
BeginPicture(&picture);
FillShape(path.Shape());
EndPicture();
PushState();
ClipToPicture(&picture);
SetHighColor(0, 255, 0);
FillRect(Bounds());
PopState();
SetOrigin(200, 0);
SetHighColor(255, 0, 0);
StrokeShape(path.Shape());
Flush();
}
}
status_t
ServerLink::AttachShape(BShape& shape)
{
int32 opCount, ptCount;
uint32* opList;
BPoint* ptList;
shape.GetData(&opCount, &ptCount, &opList, &ptList);
fSender->Attach(&opCount, sizeof(int32));
fSender->Attach(&ptCount, sizeof(int32));
if (opCount > 0)
fSender->Attach(opList, opCount * sizeof(uint32));
if (ptCount > 0)
fSender->Attach(ptList, ptCount * sizeof(BPoint));
return B_OK;
}
void
MouseView::Draw(BRect updateFrame)
{
SetDrawingMode(B_OP_ALPHA);
SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
SetScale(fScaling * 1.8);
BShape mouseShape;
mouseShape.MoveTo(BPoint(16, 12));
// left
BPoint control[3] = { BPoint(12, 16), BPoint(8, 64), BPoint(32, 64) };
mouseShape.BezierTo(control);
// right
BPoint control2[3] = { BPoint(56, 64), BPoint(52, 16), BPoint(48, 12) };
mouseShape.BezierTo(control2);
// top
BPoint control3[3] = { BPoint(44, 8), BPoint(20, 8), BPoint(16, 12) };
mouseShape.BezierTo(control3);
mouseShape.Close();
// Draw the shadow
SetOrigin(-17 * fScaling, -11 * fScaling);
SetHighColor(kMouseShadowColor);
FillShape(&mouseShape, B_SOLID_HIGH);
// Draw the body
SetOrigin(-21 * fScaling, -14 * fScaling);
BGradientRadial bodyGradient(28, 24, 128);
bodyGradient.AddColor(kMouseBodyTopColor, 0);
bodyGradient.AddColor(kMouseBodyBottomColor, 255);
FillShape(&mouseShape, bodyGradient);
// Draw the outline
SetPenSize(1 / 1.8 / fScaling);
SetDrawingMode(B_OP_OVER);
SetHighColor(kMouseOutlineColor);
StrokeShape(&mouseShape, B_SOLID_HIGH);
// bottom button border
BShape buttonsOutline;
buttonsOutline.MoveTo(BPoint(13, 27));
BPoint control4[] = { BPoint(18, 30), BPoint(46, 30), BPoint(51, 27) };
buttonsOutline.BezierTo(control4);
SetHighColor(kMouseButtonOutlineColor);
StrokeShape(&buttonsOutline, B_SOLID_HIGH);
SetScale(1);
SetOrigin(0, 0);
// Separator between the buttons
const int32* offset = getButtonOffsets(fType);
for (int32 i = 1; i < fType; i++) {
BRect buttonRect = _ButtonRect(offset, i);
StrokeLine(buttonRect.LeftTop(), buttonRect.LeftBottom());
}
mouse_map map;
fSettings.Mapping(map);
SetDrawingMode(B_OP_OVER);
if (fButtons != 0)
ClipToPicture(&fButtonsPicture, B_ORIGIN, false);
for (int32 i = 0; i < fType; i++) {
// draw mapping number centered over the button
bool pressed = (fButtons & map.button[_ConvertFromVisualOrder(i)]) != 0;
// is button currently pressed?
if (pressed) {
SetDrawingMode(B_OP_ALPHA);
SetHighColor(kButtonPressedColor);
FillRect(_ButtonRect(offset, i));
}
BRect border(fScaling * (offset[i] + 1), fScaling * (kButtonTop + 5),
fScaling * offset[i + 1] - 1,
fScaling * (kButtonTop + kMouseDownHeight - 4));
if (i == 0)
border.left += fScaling * 5;
if (i == fType - 1)
border.right -= fScaling * 4;
char number[2] = {0};
number[0] = getMappingNumber(map.button[_ConvertFromVisualOrder(i)])
+ '1';
SetDrawingMode(B_OP_OVER);
SetHighColor(kButtonTextColor);
DrawString(number, BPoint(
border.left + (border.Width() - StringWidth(number)) / 2,
border.top + fDigitBaseline
+ (border.IntegerHeight() - fDigitHeight) / 2));
}
if (fButtons != 0)
ClipToPicture(NULL);
}
BShape*
TransportControlGroup::_CreateSpeakerShape(float height) const
{
BShape* shape = new BShape();
float step = floorf(height / 8);
float magnetWidth = floorf(height / 5);
float chassieWidth = floorf(height / 1.5);
float chassieHeight = floorf(height / 4);
shape->MoveTo(BPoint(0, height - step));
shape->LineTo(BPoint(magnetWidth, height - step));
shape->LineTo(BPoint(magnetWidth, height / 2 + chassieHeight));
shape->LineTo(BPoint(magnetWidth + chassieWidth - step, height + step));
shape->LineTo(BPoint(magnetWidth + chassieWidth, height + step));
shape->LineTo(BPoint(magnetWidth + chassieWidth, -step));
shape->LineTo(BPoint(magnetWidth + chassieWidth - step, -step));
shape->LineTo(BPoint(magnetWidth, height / 2 - chassieHeight));
shape->LineTo(BPoint(magnetWidth, step));
shape->LineTo(BPoint(0, step));
shape->Close();
float offset = magnetWidth + chassieWidth + step * 2;
add_bow(shape, offset, 3 * step, height, step * 2);
offset += step * 2;
add_bow(shape, offset, 5 * step, height, step * 2);
offset += step * 2;
add_bow(shape, offset, 7 * step, height, step * 2);
return shape;
}
point.x += fOffsetX; point.y += fOffsetY; return B_OK; } private: float fOffsetX; float fOffsetY; } translator; MovePenTo(B_ORIGIN); const float arcRX = 50; const float arcRY = 80; BShape shape; shape.MoveTo(BPoint(20, 10)); shape.LineTo(BPoint(10, 90)); shape.LineTo(BPoint(90, 100)); shape.ArcTo(arcRX, arcRY, 45, true, true, BPoint(100, 20)); shape.Close(); StrokeShape(&shape); shape.Clear(); shape.MoveTo(BPoint(20, 10)); shape.LineTo(BPoint(10, 90)); shape.LineTo(BPoint(90, 100)); shape.ArcTo(arcRX, arcRY, 45, false, true, BPoint(100, 20)); shape.Close();
void
ActivityView::_DrawHistory(bool drawBackground)
{
_UpdateOffscreenBitmap();
BView* view = this;
if (fOffscreen != NULL) {
fOffscreen->Lock();
view = _OffscreenView();
}
BRect frame = _HistoryFrame();
BRect outerFrame = frame.InsetByCopy(-2, -2);
// draw the outer frame
uint32 flags = 0;
if (!drawBackground)
flags |= BControlLook::B_BLEND_FRAME;
be_control_look->DrawTextControlBorder(this, outerFrame,
outerFrame, fLegendBackgroundColor, flags);
// convert to offscreen view if necessary
if (view != this)
frame.OffsetTo(B_ORIGIN);
view->SetLowColor(fHistoryBackgroundColor);
view->FillRect(frame, B_SOLID_LOW);
uint32 step = 2;
uint32 resolution = fDrawResolution;
if (fDrawResolution > 1) {
step = 1;
resolution--;
}
uint32 width = frame.IntegerWidth() - 10;
uint32 steps = width / step;
bigtime_t timeStep = RefreshInterval() * resolution;
bigtime_t now = system_time();
// Draw scale
// TODO: add second markers?
view->SetPenSize(1);
rgb_color scaleColor = view->LowColor();
uint32 average = (scaleColor.red + scaleColor.green + scaleColor.blue) / 3;
if (average < 96)
scaleColor = tint_color(scaleColor, B_LIGHTEN_2_TINT);
else
scaleColor = tint_color(scaleColor, B_DARKEN_2_TINT);
view->SetHighColor(scaleColor);
view->StrokeLine(BPoint(frame.left, frame.top + frame.Height() / 2),
BPoint(frame.right, frame.top + frame.Height() / 2));
// Draw values
view->SetPenSize(1.5);
BAutolock _(fSourcesLock);
for (uint32 i = fSources.CountItems(); i-- > 0;) {
ViewHistory* viewValues = fViewValues.ItemAt(i);
DataSource* source = fSources.ItemAt(i);
DataHistory* values = fValues.ItemAt(i);
viewValues->Update(values, steps, fDrawResolution, now, timeStep,
RefreshInterval());
uint32 x = viewValues->Start() * step;
BShape shape;
bool first = true;
for (uint32 i = viewValues->Start(); i < steps; x += step, i++) {
float y = _PositionForValue(source, values,
viewValues->ValueAt(i));
if (first) {
shape.MoveTo(BPoint(x, y));
first = false;
} else
shape.LineTo(BPoint(x, y));
}
view->SetHighColor(source->Color());
view->SetLineMode(B_BUTT_CAP, B_ROUND_JOIN);
view->MovePenTo(B_ORIGIN);
view->StrokeShape(&shape);
}
// TODO: add marks when an app started or quit
view->Sync();
if (fOffscreen != NULL) {
fOffscreen->Unlock();
DrawBitmap(fOffscreen, outerFrame.LeftTop());
}
}
BShape*
TransportControlGroup::_CreatePauseShape(float height) const
{
BShape* shape = new BShape();
float stemWidth = floorf(height / 3);
shape->MoveTo(BPoint(0, height));
shape->LineTo(BPoint(stemWidth, height));
shape->LineTo(BPoint(stemWidth, 0));
shape->LineTo(BPoint(0, 0));
shape->Close();
shape->MoveTo(BPoint(height - stemWidth, height));
shape->LineTo(BPoint(height, height));
shape->LineTo(BPoint(height, 0));
shape->LineTo(BPoint(height - stemWidth, 0));
shape->Close();
return shape;
}
BShape*
TransportControlGroup::_CreateSkipForwardShape(float height) const
{
BShape* shape = new BShape();
shape->MoveTo(BPoint(height, height / 2));
shape->LineTo(BPoint(0, height));
shape->LineTo(BPoint(0, 0));
shape->Close();
shape->MoveTo(BPoint(height * 2, height / 2));
shape->LineTo(BPoint(height, height));
shape->LineTo(BPoint(height, 0));
shape->Close();
float stopWidth = ceilf(height / 6);
shape->MoveTo(BPoint(height * 2, height));
shape->LineTo(BPoint(height * 2 + stopWidth, height));
shape->LineTo(BPoint(height * 2 + stopWidth, 0));
shape->LineTo(BPoint(height * 2, 0));
shape->Close();
return shape;
}
void ShapeLPB::LineTo(BPoint p)
{
fShape.LineTo(p);
}
void
TextDocumentView::_GetSelectionShape(BShape& shape, int32 start, int32 end)
{
float startX1;
float startY1;
float startX2;
float startY2;
fTextDocumentLayout.GetTextBounds(start, startX1, startY1, startX2,
startY2);
startX1 = floorf(startX1);
startY1 = floorf(startY1);
startX2 = ceilf(startX2);
startY2 = ceilf(startY2);
float endX1;
float endY1;
float endX2;
float endY2;
fTextDocumentLayout.GetTextBounds(end, endX1, endY1, endX2, endY2);
endX1 = floorf(endX1);
endY1 = floorf(endY1);
endX2 = ceilf(endX2);
endY2 = ceilf(endY2);
int32 startLineIndex = fTextDocumentLayout.LineIndexForOffset(start);
int32 endLineIndex = fTextDocumentLayout.LineIndexForOffset(end);
if (startLineIndex == endLineIndex) {
// Selection on one line
BPoint lt(startX1, startY1);
BPoint rt(endX1, endY1);
BPoint rb(endX1, endY2);
BPoint lb(startX1, startY2);
shape.MoveTo(lt);
shape.LineTo(rt);
shape.LineTo(rb);
shape.LineTo(lb);
shape.Close();
} else if (startLineIndex == endLineIndex - 1 && endX1 <= startX1) {
// Selection on two lines, with gap:
// ---------
// ------###
// ##-------
// ---------
float width = ceilf(fTextDocumentLayout.Width());
BPoint lt(startX1, startY1);
BPoint rt(width, startY1);
BPoint rb(width, startY2);
BPoint lb(startX1, startY2);
shape.MoveTo(lt);
shape.LineTo(rt);
shape.LineTo(rb);
shape.LineTo(lb);
shape.Close();
lt = BPoint(0, endY1);
rt = BPoint(endX1, endY1);
rb = BPoint(endX1, endY2);
lb = BPoint(0, endY2);
shape.MoveTo(lt);
shape.LineTo(rt);
shape.LineTo(rb);
shape.LineTo(lb);
shape.Close();
} else {
// Selection over multiple lines
float width = ceilf(fTextDocumentLayout.Width());
shape.MoveTo(BPoint(startX1, startY1));
shape.LineTo(BPoint(width, startY1));
shape.LineTo(BPoint(width, endY1));
shape.LineTo(BPoint(endX1, endY1));
shape.LineTo(BPoint(endX1, endY2));
shape.LineTo(BPoint(0, endY2));
shape.LineTo(BPoint(0, startY2));
shape.LineTo(BPoint(startX1, startY2));
shape.Close();
}
}
void GraphicsContext::fillRoundedRect(const IntRect& rect, const IntSize& topLeft, const IntSize& topRight, const IntSize& bottomLeft, const IntSize& bottomRight, const Color& color, ColorSpace colorSpace)
{
if (paintingDisabled() || !color.alpha())
return;
BPoint points[3];
const float kRadiusBezierScale = 0.56f;
BShape shape;
shape.MoveTo(BPoint(rect.x() + topLeft.width(), rect.y()));
shape.LineTo(BPoint(rect.maxX() - topRight.width(), rect.y()));
points[0].x = rect.maxX() - kRadiusBezierScale * topRight.width();
points[0].y = rect.y();
points[1].x = rect.maxX();
points[1].y = rect.y() + kRadiusBezierScale * topRight.height();
points[2].x = rect.maxX();
points[2].y = rect.y() + topRight.height();
shape.BezierTo(points);
shape.LineTo(BPoint(rect.maxX(), rect.maxY() - bottomRight.height()));
points[0].x = rect.maxX();
points[0].y = rect.maxY() - kRadiusBezierScale * bottomRight.height();
points[1].x = rect.maxX() - kRadiusBezierScale * bottomRight.width();
points[1].y = rect.maxY();
points[2].x = rect.maxX() - bottomRight.width();
points[2].y = rect.maxY();
shape.BezierTo(points);
shape.LineTo(BPoint(rect.x() + bottomLeft.width(), rect.maxY()));
points[0].x = rect.x() + kRadiusBezierScale * bottomLeft.width();
points[0].y = rect.maxY();
points[1].x = rect.x();
points[1].y = rect.maxY() - kRadiusBezierScale * bottomRight.height();
points[2].x = rect.x();
points[2].y = rect.maxY() - bottomRight.height();
shape.BezierTo(points);
shape.LineTo(BPoint(rect.x(), rect.y() + topLeft.height()));
points[0].x = rect.x();
points[0].y = rect.y() - kRadiusBezierScale * topLeft.height();
points[1].x = rect.x() + kRadiusBezierScale * topLeft.width();
points[1].y = rect.y();
points[2].x = rect.x() + topLeft.width();
points[2].y = rect.y();
shape.BezierTo(points);
shape.Close();
rgb_color oldColor = m_data->view()->HighColor();
m_data->view()->SetHighColor(color);
m_data->view()->MovePenTo(B_ORIGIN);
m_data->view()->FillShape(&shape);
m_data->view()->SetHighColor(oldColor);
}
void ShapeLPB::MoveTo(BPoint p)
{
fShape.MoveTo(p);
}
void
PlaylistListView::Item::Draw(BView* owner, BRect frame, const font_height& fh,
bool tintedLine, uint32 mode, bool active, uint32 playbackState)
{
rgb_color color = (rgb_color) {
255, 255, 255, 255
};
if (tintedLine)
color = tint_color(color, 1.04);
// background
if (IsSelected())
color = tint_color(color, B_DARKEN_2_TINT);
owner->SetLowColor(color);
owner->FillRect(frame, B_SOLID_LOW);
// label
rgb_color black = (rgb_color) {
0, 0, 0, 255
};
owner->SetHighColor(black);
const char* text = Text();
switch (mode) {
case DISPLAY_NAME:
// TODO
break;
case DISPLAY_PATH:
// TODO
break;
default:
break;
}
float playbackMarkSize = playback_mark_size(fh);
float textOffset = text_offset(fh);
BString truncatedString(text);
owner->TruncateString(&truncatedString, B_TRUNCATE_MIDDLE,
frame.Width() - playbackMarkSize - textOffset);
owner->DrawString(truncatedString.String(),
BPoint(frame.left + playbackMarkSize + textOffset,
floorf(frame.top + frame.bottom + fh.ascent) / 2 - 1));
// playmark
if (active) {
rgb_color green = (rgb_color) {
0, 255, 0, 255
};
if (playbackState != PLAYBACK_STATE_PLAYING)
green = tint_color(color, B_DARKEN_1_TINT);
BRect r(0, 0, playbackMarkSize, playbackMarkSize);
r.OffsetTo(frame.left + 4,
ceilf((frame.top + frame.bottom - playbackMarkSize) / 2));
#ifdef __ANTARES__
uint32 flags = owner->Flags();
owner->SetFlags(flags | B_SUBPIXEL_PRECISE);
BShape shape;
shape.MoveTo(r.LeftTop());
shape.LineTo(r.LeftBottom());
shape.LineTo(BPoint(r.right, (r.top + r.bottom) / 2));
shape.Close();
owner->MovePenTo(B_ORIGIN);
owner->FillShape(&shape);
shape.Clear();
r.InsetBy(1, 1);
shape.MoveTo(r.LeftTop());
shape.LineTo(r.LeftBottom());
shape.LineTo(BPoint(r.right, (r.top + r.bottom) / 2));
shape.Close();
BGradientLinear gradient;
gradient.SetStart(r.LeftTop());
gradient.SetEnd(r.LeftBottom());
gradient.AddColor(tint_color(green, B_LIGHTEN_1_TINT), 0);
gradient.AddColor(tint_color(green, B_DARKEN_1_TINT), 255.0);
owner->FillShape(&shape, gradient);
owner->SetFlags(flags);
#else
BPoint arrow[3];
arrow[0] = r.LeftTop();
arrow[1] = r.LeftBottom();
arrow[2].x = r.right;
arrow[2].y = (r.top + r.bottom) / 2;
rgb_color lightGreen = tint_color(green, B_LIGHTEN_2_TINT);
rgb_color darkGreen = tint_color(green, B_DARKEN_2_TINT);
owner->BeginLineArray(6);
// black outline
owner->AddLine(arrow[0], arrow[1], black);
owner->AddLine(BPoint(arrow[1].x + 1.0, arrow[1].y - 1.0),
arrow[2], black);
owner->AddLine(arrow[0], arrow[2], black);
// inset arrow
arrow[0].x += 1.0;
arrow[0].y += 2.0;
arrow[1].x += 1.0;
arrow[1].y -= 2.0;
arrow[2].x -= 2.0;
// highlights and shadow
owner->AddLine(arrow[1], arrow[2], darkGreen);
owner->AddLine(arrow[0], arrow[2], lightGreen);
owner->AddLine(arrow[0], arrow[1], lightGreen);
owner->EndLineArray();
// fill green
arrow[0].x += 1.0;
arrow[0].y += 1.0;
arrow[1].x += 1.0;
arrow[1].y -= 1.0;
arrow[2].x -= 2.0;
owner->SetLowColor(owner->HighColor());
owner->SetHighColor(green);
owner->FillPolygon(arrow, 3);
#endif // __ANTARES__
}
}
void
PlaylistListView::Item::Draw(BView* owner, BRect frame, const font_height& fh,
bool tintedLine, uint32 mode, bool active, uint32 playbackState)
{
rgb_color color = (rgb_color){ 255, 255, 255, 255 };
if (tintedLine)
color = tint_color(color, 1.04);
// background
if (IsSelected())
color = tint_color(color, B_DARKEN_2_TINT);
owner->SetLowColor(color);
owner->FillRect(frame, B_SOLID_LOW);
// label
rgb_color black = (rgb_color){ 0, 0, 0, 255 };
owner->SetHighColor(black);
const char* text = Text();
switch (mode) {
case DISPLAY_NAME:
// TODO
break;
case DISPLAY_PATH:
// TODO
break;
default:
break;
}
float playbackMarkSize = playback_mark_size(fh);
float textOffset = text_offset(fh);
BString truncatedString(text);
owner->TruncateString(&truncatedString, B_TRUNCATE_MIDDLE,
frame.Width() - playbackMarkSize - textOffset);
owner->DrawString(truncatedString.String(),
BPoint(frame.left + playbackMarkSize + textOffset,
floorf(frame.top + frame.bottom + fh.ascent) / 2 - 1));
// playmark
if (active) {
rgb_color green = (rgb_color){ 0, 255, 0, 255 };
if (playbackState != PLAYBACK_STATE_PLAYING)
green = tint_color(color, B_DARKEN_1_TINT);
BRect r(0, 0, playbackMarkSize, playbackMarkSize);
r.OffsetTo(frame.left + 4,
ceilf((frame.top + frame.bottom - playbackMarkSize) / 2));
uint32 flags = owner->Flags();
owner->SetFlags(flags | B_SUBPIXEL_PRECISE);
BShape shape;
shape.MoveTo(r.LeftTop());
shape.LineTo(r.LeftBottom());
shape.LineTo(BPoint(r.right, (r.top + r.bottom) / 2));
shape.Close();
owner->MovePenTo(B_ORIGIN);
owner->FillShape(&shape);
shape.Clear();
r.InsetBy(1, 1);
shape.MoveTo(r.LeftTop());
shape.LineTo(r.LeftBottom());
shape.LineTo(BPoint(r.right, (r.top + r.bottom) / 2));
shape.Close();
BGradientLinear gradient;
gradient.SetStart(r.LeftTop());
gradient.SetEnd(r.LeftBottom());
gradient.AddColor(tint_color(green, B_LIGHTEN_1_TINT), 0);
gradient.AddColor(tint_color(green, B_DARKEN_1_TINT), 255.0);
owner->FillShape(&shape, gradient);
owner->SetFlags(flags);
}
}
status_t
PicturePlayer::_Play(const picture_player_callbacks& callbacks, void* userData,
const void* buffer, size_t length, uint16 parentOp)
{
#if DEBUG
printf("Start rendering %sBPicture...\n", parentOp != 0 ? "sub " : "");
bigtime_t startTime = system_time();
int32 numOps = 0;
#endif
DataReader pictureReader(buffer, length);
while (pictureReader.Remaining() > 0) {
const picture_data_entry_header* header;
const uint8* opData = NULL;
if (!pictureReader.Get(header)
|| !pictureReader.Get(opData, header->size)) {
return B_BAD_DATA;
}
DataReader reader(opData, header->size);
// Disallow ops that don't fit the parent.
switch (parentOp) {
case 0:
// No parent op, no restrictions.
break;
case B_PIC_ENTER_STATE_CHANGE:
if (header->op <= B_PIC_ENTER_STATE_CHANGE
|| header->op > B_PIC_SET_TRANSFORM) {
return B_BAD_DATA;
}
break;
case B_PIC_ENTER_FONT_STATE:
if (header->op < B_PIC_SET_FONT_FAMILY
|| header->op > B_PIC_SET_FONT_FACE) {
return B_BAD_DATA;
}
break;
default:
return B_BAD_DATA;
}
#if DEBUG > 1
bigtime_t startOpTime = system_time();
printf("Op %s ", PictureOpToString(header->op));
#endif
switch (header->op) {
case B_PIC_MOVE_PEN_BY:
{
const BPoint* where;
if (callbacks.move_pen_by == NULL || !reader.Get(where))
break;
callbacks.move_pen_by(userData, *where);
break;
}
case B_PIC_STROKE_LINE:
{
const BPoint* start;
const BPoint* end;
if (callbacks.stroke_line == NULL || !reader.Get(start)
|| !reader.Get(end)) {
break;
}
callbacks.stroke_line(userData, *start, *end);
break;
}
case B_PIC_STROKE_RECT:
case B_PIC_FILL_RECT:
{
const BRect* rect;
if (callbacks.draw_rect == NULL || !reader.Get(rect))
break;
callbacks.draw_rect(userData, *rect,
header->op == B_PIC_FILL_RECT);
break;
}
case B_PIC_STROKE_ROUND_RECT:
case B_PIC_FILL_ROUND_RECT:
{
const BRect* rect;
const BPoint* radii;
if (callbacks.draw_round_rect == NULL || !reader.Get(rect)
|| !reader.Get(radii)) {
break;
}
callbacks.draw_round_rect(userData, *rect, *radii,
header->op == B_PIC_FILL_ROUND_RECT);
break;
}
case B_PIC_STROKE_BEZIER:
case B_PIC_FILL_BEZIER:
{
const size_t kNumControlPoints = 4;
const BPoint* controlPoints;
if (callbacks.draw_bezier == NULL
|| !reader.Get(controlPoints, kNumControlPoints)) {
break;
}
callbacks.draw_bezier(userData, kNumControlPoints,
controlPoints, header->op == B_PIC_FILL_BEZIER);
break;
}
case B_PIC_STROKE_ARC:
case B_PIC_FILL_ARC:
{
const BPoint* center;
const BPoint* radii;
const float* startTheta;
const float* arcTheta;
if (callbacks.draw_arc == NULL || !reader.Get(center)
|| !reader.Get(radii) || !reader.Get(startTheta)
|| !reader.Get(arcTheta)) {
break;
}
callbacks.draw_arc(userData, *center, *radii, *startTheta,
*arcTheta, header->op == B_PIC_FILL_ARC);
break;
}
case B_PIC_STROKE_ELLIPSE:
case B_PIC_FILL_ELLIPSE:
{
const BRect* rect;
if (callbacks.draw_ellipse == NULL || !reader.Get(rect))
break;
callbacks.draw_ellipse(userData, *rect,
header->op == B_PIC_FILL_ELLIPSE);
break;
}
case B_PIC_STROKE_POLYGON:
case B_PIC_FILL_POLYGON:
{
const uint32* numPoints;
const BPoint* points;
if (callbacks.draw_polygon == NULL || !reader.Get(numPoints)
|| !reader.Get(points, *numPoints)) {
break;
}
bool isClosed = true;
const bool* closedPointer;
if (header->op != B_PIC_FILL_POLYGON) {
if (!reader.Get(closedPointer))
break;
isClosed = *closedPointer;
}
callbacks.draw_polygon(userData, *numPoints, points, isClosed,
header->op == B_PIC_FILL_POLYGON);
break;
}
case B_PIC_STROKE_SHAPE:
case B_PIC_FILL_SHAPE:
{
const uint32* opCount;
const uint32* pointCount;
const uint32* opList;
const BPoint* pointList;
if (callbacks.draw_shape == NULL || !reader.Get(opCount)
|| !reader.Get(pointCount) || !reader.Get(opList, *opCount)
|| !reader.Get(pointList, *pointCount)) {
break;
}
// TODO: remove BShape data copying
BShape shape;
shape.SetData(*opCount, *pointCount, opList, pointList);
callbacks.draw_shape(userData, shape,
header->op == B_PIC_FILL_SHAPE);
break;
}
case B_PIC_DRAW_STRING:
{
const float* escapementSpace;
const float* escapementNonSpace;
const char* string;
size_t length;
if (callbacks.draw_string == NULL
|| !reader.Get(escapementSpace)
|| !reader.Get(escapementNonSpace)
|| !reader.GetRemaining(string, length)) {
break;
}
callbacks.draw_string(userData, string, length,
*escapementSpace, *escapementNonSpace);
break;
}
case B_PIC_DRAW_PIXELS:
{
const BRect* sourceRect;
const BRect* destinationRect;
const uint32* width;
const uint32* height;
const uint32* bytesPerRow;
const uint32* colorSpace;
const uint32* flags;
const void* data;
size_t length;
if (callbacks.draw_pixels == NULL || !reader.Get(sourceRect)
|| !reader.Get(destinationRect) || !reader.Get(width)
|| !reader.Get(height) || !reader.Get(bytesPerRow)
|| !reader.Get(colorSpace) || !reader.Get(flags)
|| !reader.GetRemaining(data, length)) {
break;
}
callbacks.draw_pixels(userData, *sourceRect, *destinationRect,
*width, *height, *bytesPerRow, (color_space)*colorSpace,
*flags, data, length);
break;
}
case B_PIC_DRAW_PICTURE:
{
const BPoint* where;
const int32* token;
if (callbacks.draw_picture == NULL || !reader.Get(where)
|| !reader.Get(token)) {
break;
}
callbacks.draw_picture(userData, *where, *token);
break;
}
case B_PIC_SET_CLIPPING_RECTS:
{
const uint32* numRects;
const BRect* rects;
if (callbacks.set_clipping_rects == NULL
|| !reader.Get(numRects) || !reader.Get(rects, *numRects)) {
break;
}
callbacks.set_clipping_rects(userData, *numRects, rects);
break;
}
case B_PIC_CLEAR_CLIPPING_RECTS:
{
if (callbacks.set_clipping_rects == NULL)
break;
callbacks.set_clipping_rects(userData, 0, NULL);
break;
}
case B_PIC_CLIP_TO_PICTURE:
{
const int32* token;
const BPoint* where;
const bool* inverse;
if (callbacks.clip_to_picture == NULL || !reader.Get(token)
|| !reader.Get(where) || !reader.Get(inverse))
break;
callbacks.clip_to_picture(userData, *token, *where, *inverse);
break;
}
case B_PIC_PUSH_STATE:
{
if (callbacks.push_state == NULL)
break;
callbacks.push_state(userData);
break;
}
case B_PIC_POP_STATE:
{
if (callbacks.pop_state == NULL)
break;
callbacks.pop_state(userData);
break;
}
case B_PIC_ENTER_STATE_CHANGE:
case B_PIC_ENTER_FONT_STATE:
{
const void* data;
size_t length;
if (!reader.GetRemaining(data, length))
break;
if (header->op == B_PIC_ENTER_STATE_CHANGE) {
if (callbacks.enter_state_change != NULL)
callbacks.enter_state_change(userData);
} else if (callbacks.enter_font_state != NULL)
callbacks.enter_font_state(userData);
status_t result = _Play(callbacks, userData, data, length,
header->op);
if (result != B_OK)
return result;
if (header->op == B_PIC_ENTER_STATE_CHANGE) {
if (callbacks.exit_state_change != NULL)
callbacks.exit_state_change(userData);
} else if (callbacks.exit_font_state != NULL)
callbacks.exit_font_state(userData);
break;
}
case B_PIC_SET_ORIGIN:
{
const BPoint* origin;
if (callbacks.set_origin == NULL || !reader.Get(origin))
break;
callbacks.set_origin(userData, *origin);
break;
}
case B_PIC_SET_PEN_LOCATION:
{
const BPoint* location;
if (callbacks.set_pen_location == NULL || !reader.Get(location))
break;
callbacks.set_pen_location(userData, *location);
break;
}
case B_PIC_SET_DRAWING_MODE:
{
const uint16* mode;
if (callbacks.set_drawing_mode == NULL || !reader.Get(mode))
break;
callbacks.set_drawing_mode(userData, (drawing_mode)*mode);
break;
}
case B_PIC_SET_LINE_MODE:
{
const uint16* capMode;
const uint16* joinMode;
const float* miterLimit;
if (callbacks.set_line_mode == NULL || !reader.Get(capMode)
|| !reader.Get(joinMode) || !reader.Get(miterLimit)) {
break;
}
callbacks.set_line_mode(userData, (cap_mode)*capMode,
(join_mode)*joinMode, *miterLimit);
break;
}
case B_PIC_SET_PEN_SIZE:
{
const float* penSize;
if (callbacks.set_pen_size == NULL || !reader.Get(penSize))
break;
callbacks.set_pen_size(userData, *penSize);
break;
}
case B_PIC_SET_FORE_COLOR:
{
const rgb_color* color;
if (callbacks.set_fore_color == NULL || !reader.Get(color))
break;
callbacks.set_fore_color(userData, *color);
break;
}
case B_PIC_SET_BACK_COLOR:
{
const rgb_color* color;
if (callbacks.set_back_color == NULL || !reader.Get(color))
break;
callbacks.set_back_color(userData, *color);
break;
}
case B_PIC_SET_STIPLE_PATTERN:
{
const pattern* stipplePattern;
if (callbacks.set_stipple_pattern == NULL
|| !reader.Get(stipplePattern)) {
break;
}
callbacks.set_stipple_pattern(userData, *stipplePattern);
break;
}
case B_PIC_SET_SCALE:
{
const float* scale;
if (callbacks.set_scale == NULL || !reader.Get(scale))
break;
callbacks.set_scale(userData, *scale);
break;
}
case B_PIC_SET_FONT_FAMILY:
{
const char* family;
size_t length;
if (callbacks.set_font_family == NULL
|| !reader.GetRemaining(family, length)) {
break;
}
callbacks.set_font_family(userData, family, length);
break;
}
case B_PIC_SET_FONT_STYLE:
{
const char* style;
size_t length;
if (callbacks.set_font_style == NULL
|| !reader.GetRemaining(style, length)) {
break;
}
callbacks.set_font_style(userData, style, length);
break;
}
case B_PIC_SET_FONT_SPACING:
{
const uint32* spacing;
if (callbacks.set_font_spacing == NULL || !reader.Get(spacing))
break;
callbacks.set_font_spacing(userData, *spacing);
break;
}
case B_PIC_SET_FONT_SIZE:
{
const float* size;
if (callbacks.set_font_size == NULL || !reader.Get(size))
break;
callbacks.set_font_size(userData, *size);
break;
}
case B_PIC_SET_FONT_ROTATE:
{
const float* rotation;
if (callbacks.set_font_rotation == NULL
|| !reader.Get(rotation)) {
break;
}
callbacks.set_font_rotation(userData, *rotation);
break;
}
case B_PIC_SET_FONT_ENCODING:
{
const uint32* encoding;
if (callbacks.set_font_encoding == NULL
|| !reader.Get(encoding)) {
break;
}
callbacks.set_font_encoding(userData, *encoding);
break;
}
case B_PIC_SET_FONT_FLAGS:
{
const uint32* flags;
if (callbacks.set_font_flags == NULL || !reader.Get(flags))
break;
callbacks.set_font_flags(userData, *flags);
break;
}
case B_PIC_SET_FONT_SHEAR:
{
const float* shear;
if (callbacks.set_font_shear == NULL || !reader.Get(shear))
break;
callbacks.set_font_shear(userData, *shear);
break;
}
case B_PIC_SET_FONT_FACE:
{
const uint32* face;
if (callbacks.set_font_face == NULL || !reader.Get(face))
break;
callbacks.set_font_face(userData, *face);
break;
}
case B_PIC_SET_BLENDING_MODE:
{
const uint16* alphaSourceMode;
const uint16* alphaFunctionMode;
if (callbacks.set_blending_mode == NULL
|| !reader.Get(alphaSourceMode)
|| !reader.Get(alphaFunctionMode)) {
break;
}
callbacks.set_blending_mode(userData,
(source_alpha)*alphaSourceMode,
(alpha_function)*alphaFunctionMode);
break;
}
case B_PIC_SET_TRANSFORM:
{
const BAffineTransform* transform;
if (callbacks.set_transform == NULL || !reader.Get(transform))
break;
callbacks.set_transform(userData, *transform);
break;
}
case B_PIC_AFFINE_TRANSLATE:
{
const double* x;
const double* y;
if (callbacks.translate_by == NULL || !reader.Get(x)
|| !reader.Get(y)) {
break;
}
callbacks.translate_by(userData, *x, *y);
break;
}
case B_PIC_AFFINE_SCALE:
{
const double* x;
const double* y;
if (callbacks.scale_by == NULL || !reader.Get(x)
|| !reader.Get(y)) {
break;
}
callbacks.scale_by(userData, *x, *y);
break;
}
case B_PIC_AFFINE_ROTATE:
{
const double* angleRadians;
if (callbacks.rotate_by == NULL || !reader.Get(angleRadians))
break;
callbacks.rotate_by(userData, *angleRadians);
break;
}
case B_PIC_BLEND_LAYER:
{
Layer* const* layer;
if (callbacks.blend_layer == NULL || !reader.Get<Layer*>(layer))
break;
callbacks.blend_layer(userData, *layer);
break;
}
case B_PIC_CLIP_TO_RECT:
{
const bool* inverse;
const BRect* rect;
if (callbacks.clip_to_rect == NULL || !reader.Get(inverse)
|| !reader.Get(rect)) {
break;
}
callbacks.clip_to_rect(userData, *rect, *inverse);
break;
}
case B_PIC_CLIP_TO_SHAPE:
{
const bool* inverse;
const uint32* opCount;
const uint32* pointCount;
const uint32* opList;
const BPoint* pointList;
if (callbacks.clip_to_shape == NULL || !reader.Get(inverse)
|| !reader.Get(opCount) || !reader.Get(pointCount)
|| !reader.Get(opList, *opCount)
|| !reader.Get(pointList, *pointCount)) {
break;
}
callbacks.clip_to_shape(userData, *opCount, opList,
*pointCount, pointList, *inverse);
break;
}
default:
break;
}
#if DEBUG
numOps++;
#if DEBUG > 1
printf("executed in %" B_PRId64 " usecs\n", system_time()
- startOpTime);
#endif
#endif
}
#if DEBUG
printf("Done! %" B_PRId32 " ops, rendering completed in %" B_PRId64
" usecs.\n", numOps, system_time() - startTime);
#endif
return B_OK;
}
void ShapeLPB::BezierTo(BPoint p[3])
{
fShape.BezierTo(p);
}
// _Import
status_t
StyledTextImporter::_Import(Icon* icon, const char *text, text_run_array *runs)
{
CALLED();
status_t ret = Init(icon);
if (ret < B_OK) {
printf("StyledTextImporter::Import() - "
"Init() error: %s\n", strerror(ret));
return ret;
}
BString str(text);
if (str.Length() > 50) {
BAlert* alert = new BAlert("too big",
"The text you are trying to import is quite long, are you sure?",
"Yes", "No", NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT);
if (alert->Go())
return B_CANCELED;
}
// import run colors as styles
if (runs) {
delete[] fStyleMap;
fStyleMap = new struct style_map[runs->count];
for (int32 i = 0; runs && i < runs->count; i++) {
_AddStyle(icon, &runs->runs[i]);
}
}
int32 currentRun = 0;
text_run *run = NULL;
if (runs)
run = &runs->runs[0];
int32 len = str.Length();
int32 chars = str.CountChars();
BPoint origin(0,0);
BPoint offset(origin);
for (int32 i = 0, c = 0; i < len && c < chars; c++) {
// make sure we are still on the (good) run
while (run && currentRun < runs->count - 1 &&
i >= runs->runs[currentRun + 1].offset) {
run = &runs->runs[++currentRun];
//printf("switching to run %d\n", currentRun);
}
int charLen;
for (charLen = 1; str.ByteAt(i + charLen) & 0x80; charLen++);
BShape glyph;
BShape *glyphs[1] = { &glyph };
BFont font(be_plain_font);
if (run)
font = run->font;
// first char
if (offset == BPoint(0,0)) {
font_height height;
font.GetHeight(&height);
origin.y += height.ascent;
offset = origin;
}
// LF
if (str[i] == '\n') {
// XXX: should take the MAX() for the line
// XXX: should use descent + leading from previous line
font_height height;
font.GetHeight(&height);
origin.y += height.ascent + height.descent + height.leading;
offset = origin;
i++;
continue;
}
float charWidth;
charWidth = font.StringWidth(str.String() + i, charLen);
//printf("StringWidth( %d) = %f\n", charLen, charWidth);
BString glyphName(str.String() + i, charLen);
glyphName.Prepend("Glyph (");
glyphName.Append(")");
font.GetGlyphShapes((str.String() + i), 1, glyphs);
if (glyph.Bounds().IsValid()) {
//offset.x += glyph.Bounds().Width();
offset.x += charWidth;
Shape* shape = new (nothrow) Shape(NULL);
shape->SetName(glyphName.String());
if (!shape || !icon->Shapes()->AddShape(shape)) {
delete shape;
return B_NO_MEMORY;
}
for (int j = 0; run && j < fStyleCount; j++) {
if (fStyleMap[j].run == run) {
shape->SetStyle(fStyleMap[j].style);
break;
}
}
ShapeIterator iterator(icon, shape, offset, glyphName.String());
if (iterator.Iterate(&glyph) < B_OK)
return B_ERROR;
}
// skip the rest of UTF-8 char bytes
for (i++; i < len && str[i] & 0x80; i++);
}
delete[] fStyleMap;
fStyleMap = NULL;
return B_OK;
}
void ShapeLPB::ClosePath(void)
{
fShape.Close();
}
