Esempio n. 1
0
void
BFont::GetGlyphShapes(const char charArray[], int32 numChars,
	BShape* glyphShapeArray[]) const
{
	// TODO: implement code specifically for passing BShapes to and
	// from the server
	if (!charArray || numChars < 1 || !glyphShapeArray)
		return;

	int32 code;
	BPrivate::AppServerLink link;

	link.StartMessage(AS_GET_GLYPH_SHAPES);
	link.Attach<uint16>(fFamilyID);
	link.Attach<uint16>(fStyleID);
	link.Attach<float>(fSize);
	link.Attach<float>(fShear);
	link.Attach<float>(fRotation);
	link.Attach<float>(fFalseBoldWidth);
	link.Attach<uint32>(fFlags);
	link.Attach<int32>(numChars);

	uint32 bytesInBuffer = UTF8CountBytes(charArray, numChars);
	link.Attach<int32>(bytesInBuffer);
	link.Attach(charArray, bytesInBuffer);

	if (link.FlushWithReply(code) != B_OK || code != B_OK)
		return;

	for (int32 i = 0; i < numChars; i++)
		link.ReadShape(glyphShapeArray[i]);
}
Esempio n. 2
0
void
BFont::GetEscapements(const char charArray[], int32 numChars,
	escapement_delta* delta, BPoint escapementArray[],
	BPoint offsetArray[]) const
{
	if (charArray == NULL || numChars < 1 || escapementArray == NULL)
		return;

	BPrivate::AppServerLink link;
	link.StartMessage(AS_GET_ESCAPEMENTS);
	link.Attach<uint16>(fFamilyID);
	link.Attach<uint16>(fStyleID);
	link.Attach<float>(fSize);
	link.Attach<uint8>(fSpacing);
	link.Attach<float>(fRotation);
	link.Attach<uint32>(fFlags);

	link.Attach<float>(delta ? delta->nonspace : 0.0);
	link.Attach<float>(delta ? delta->space : 0.0);
	link.Attach<bool>(offsetArray != NULL);
	link.Attach<int32>(numChars);

	// TODO: Should we not worry about the port capacity here?!?
	uint32 bytesInBuffer = UTF8CountBytes(charArray, numChars);
	link.Attach<int32>(bytesInBuffer);
	link.Attach(charArray, bytesInBuffer);

	int32 code;
	if (link.FlushWithReply(code) != B_OK || code != B_OK)
		return;

	link.Read(escapementArray, sizeof(BPoint) * numChars);
	if (offsetArray)
		link.Read(offsetArray, sizeof(BPoint) * numChars);
}
Esempio n. 3
0
BCursor::BCursor(const void *cursorData)
	:
	fServerToken(-1),
	fNeedToFree(false)
{
	const uint8 *data = (const uint8 *)cursorData;

	if (data == B_HAND_CURSOR || data == B_I_BEAM_CURSOR) {
		// just use the default cursors from the app_server
		fServerToken = data == B_HAND_CURSOR ?
			B_CURSOR_DEFAULT : B_CURSOR_TEXT;
		return;
	}

	// Create a new cursor in the app_server

	if (data == NULL
		|| data[0] != 16	// size
		|| data[1] != 1		// depth
		|| data[2] >= 16 || data[3] >= 16)	// hot-spot
		return;

	// Send data directly to server
	BPrivate::AppServerLink link;
	link.StartMessage(AS_CREATE_CURSOR);
	link.Attach(cursorData, 68);

	status_t status;
	if (link.FlushWithReply(status) == B_OK && status == B_OK) {
		link.Read<int32>(&fServerToken);
		fNeedToFree = true;
	}
}
Esempio n. 4
0
void
BFont::_GetBoundingBoxes(const char charArray[], int32 numChars,
	font_metric_mode mode, bool string_escapement, escapement_delta* delta,
	BRect boundingBoxArray[], bool asString) const
{
	if (charArray == NULL || numChars < 1 || boundingBoxArray == NULL)
		return;

	int32 code;
	BPrivate::AppServerLink link;

	link.StartMessage(asString
		? AS_GET_BOUNDINGBOXES_STRING : AS_GET_BOUNDINGBOXES_CHARS);
	link.Attach<uint16>(fFamilyID);
	link.Attach<uint16>(fStyleID);
	link.Attach<float>(fSize);
	link.Attach<float>(fRotation);
	link.Attach<float>(fShear);
	link.Attach<float>(fFalseBoldWidth);
	link.Attach<uint8>(fSpacing);

	link.Attach<uint32>(fFlags);
	link.Attach<font_metric_mode>(mode);
	link.Attach<bool>(string_escapement);

	if (delta != NULL) {
		link.Attach<escapement_delta>(*delta);
	} else {
		escapement_delta emptyDelta = {0, 0};
		link.Attach<escapement_delta>(emptyDelta);
	}

	link.Attach<int32>(numChars);
	uint32 bytesInBuffer = UTF8CountBytes(charArray, numChars);
	link.Attach<int32>(bytesInBuffer);
	link.Attach(charArray, bytesInBuffer);

	if (link.FlushWithReply(code) != B_OK || code != B_OK)
		return;

	link.Read(boundingBoxArray, sizeof(BRect) * numChars);
}
Esempio n. 5
0
void
BFont::GetHasGlyphs(const char charArray[], int32 numChars,
	bool hasArray[]) const
{
	if (!charArray || numChars < 1 || !hasArray)
		return;

	int32 code;
	BPrivate::AppServerLink link;

	link.StartMessage(AS_GET_HAS_GLYPHS);
	link.Attach<uint16>(fFamilyID);
	link.Attach<uint16>(fStyleID);
	link.Attach<int32>(numChars);

	uint32 bytesInBuffer = UTF8CountBytes(charArray, numChars);
	link.Attach<int32>(bytesInBuffer);
	link.Attach(charArray, bytesInBuffer);

	if (link.FlushWithReply(code) != B_OK || code != B_OK)
		return;

	link.Read(hasArray, sizeof(bool) * numChars);
}
Esempio n. 6
0
void
BFont::GetEdges(const char charArray[], int32 numChars,
	edge_info edgeArray[]) const
{
	if (!charArray || numChars < 1 || !edgeArray)
		return;

	int32 code;
	BPrivate::AppServerLink link;

	link.StartMessage(AS_GET_EDGES);
	link.Attach<uint16>(fFamilyID);
	link.Attach<uint16>(fStyleID);
	link.Attach<int32>(numChars);

	uint32 bytesInBuffer = UTF8CountBytes(charArray, numChars);
	link.Attach<int32>(bytesInBuffer);
	link.Attach(charArray, bytesInBuffer);

	if (link.FlushWithReply(code) != B_OK || code != B_OK)
		return;

	link.Read(edgeArray, sizeof(edge_info) * numChars);
}