/* (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org) (c) Copyright 2000-2004 Convergence (integrated media) GmbH All rights reserved. Written by Denis Oliver Kropp , Andreas Hundt , Sven Neumann , Ville Syrjälä and Claudio Ciccani . This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include "idirectfbfont_requestor.h" static DFBResult Probe( void ); static DFBResult Construct( IDirectFBFont *thiz, VoodooManager *manager, VoodooInstanceID instance, void *arg ); #include DIRECT_INTERFACE_IMPLEMENTATION( IDirectFBFont, Requestor ) /**************************************************************************************************/ static void IDirectFBFont_Requestor_Destruct( IDirectFBFont *thiz ) { IDirectFBFont_Requestor_data *data = thiz->priv; D_DEBUG( "%s (%p)\n", __FUNCTION__, thiz ); data->buffer->Release( data->buffer ); voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_Release, VREQ_NONE, NULL, VMBT_NONE ); DIRECT_DEALLOCATE_INTERFACE( thiz ); } /**************************************************************************************************/ static DirectResult IDirectFBFont_Requestor_AddRef( IDirectFBFont *thiz ) { DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) data->ref++; return DFB_OK; } static DirectResult IDirectFBFont_Requestor_Release( IDirectFBFont *thiz ) { DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (--data->ref == 0) IDirectFBFont_Requestor_Destruct( thiz ); return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetAscender( IDirectFBFont *thiz, int *ret_ascender ) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; int ascender; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!ret_ascender) return DFB_INVARG; ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetAscender, VREQ_RESPOND, &response, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_INT( parser, ascender ); VOODOO_PARSER_END( parser ); voodoo_manager_finish_request( data->manager, response ); *ret_ascender = ascender; return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetDescender( IDirectFBFont *thiz, int *ret_descender ) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; int descender; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!ret_descender) return DFB_INVARG; ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetDescender, VREQ_RESPOND, &response, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_INT( parser, descender ); VOODOO_PARSER_END( parser ); voodoo_manager_finish_request( data->manager, response ); *ret_descender = descender; return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetHeight( IDirectFBFont *thiz, int *ret_height ) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; int height; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!ret_height) return DFB_INVARG; ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetHeight, VREQ_RESPOND, &response, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_INT( parser, height ); VOODOO_PARSER_END( parser ); voodoo_manager_finish_request( data->manager, response ); *ret_height = height; return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetMaxAdvance( IDirectFBFont *thiz, int *ret_maxadvance ) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; int maxadvance; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!ret_maxadvance) return DFB_INVARG; ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetMaxAdvance, VREQ_RESPOND, &response, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_INT( parser, maxadvance ); VOODOO_PARSER_END( parser ); voodoo_manager_finish_request( data->manager, response ); *ret_maxadvance = maxadvance; return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetKerning( IDirectFBFont *thiz, unsigned int prev_index, unsigned int current_index, int *ret_kern_x, int *ret_kern_y) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; int kern_x; int kern_y; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!ret_kern_x && !ret_kern_y) return DFB_INVARG; ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetMaxAdvance, VREQ_RESPOND, &response, VMBT_UINT, prev_index, VMBT_UINT, current_index, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_INT( parser, kern_x ); VOODOO_PARSER_GET_INT( parser, kern_y ); VOODOO_PARSER_END( parser ); voodoo_manager_finish_request( data->manager, response ); *ret_kern_x = kern_x; *ret_kern_y = kern_y; return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetStringExtents( IDirectFBFont *thiz, const char *text, int bytes, DFBRectangle *logical_rect, DFBRectangle *ink_rect ) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; const DFBRectangle *logical; const DFBRectangle *ink; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!text || (!logical_rect && !ink_rect)) return DFB_INVARG; if (bytes < 0) bytes = strlen (text); if (bytes == 0) { if (logical_rect) memset( logical_rect, 0, sizeof(DFBRectangle) ); if (ink_rect) memset( ink_rect, 0, sizeof(DFBRectangle) ); return DFB_OK; } ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetStringExtents, VREQ_RESPOND, &response, VMBT_DATA, bytes, text, VMBT_INT, bytes, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_DATA( parser, logical ); VOODOO_PARSER_GET_DATA( parser, ink ); VOODOO_PARSER_END( parser ); if (logical_rect) *logical_rect = *logical; if (ink_rect) *ink_rect = *ink; voodoo_manager_finish_request( data->manager, response ); return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetStringWidth( IDirectFBFont *thiz, const char *text, int bytes, int *ret_width ) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; int width; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!text || !ret_width) return DFB_INVARG; if (bytes < 0) bytes = strlen (text); if (bytes == 0) return DFB_OK; ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetStringWidth, VREQ_RESPOND, &response, VMBT_DATA, bytes, text, VMBT_INT, bytes, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_INT( parser, width ); VOODOO_PARSER_END( parser ); voodoo_manager_finish_request( data->manager, response ); *ret_width = width; return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetGlyphExtents( IDirectFBFont *thiz, unsigned int index, DFBRectangle *rect, int *ret_advance ) { DirectResult ret; VoodooResponseMessage *response; VoodooMessageParser parser; const DFBRectangle *extents; int advance; DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) if (!rect && !ret_advance) return DFB_INVARG; ret = voodoo_manager_request( data->manager, data->instance, IDIRECTFBFONT_METHOD_ID_GetGlyphExtents, VREQ_RESPOND, &response, VMBT_UINT, index, VMBT_NONE ); if (ret) return ret; ret = response->result; if (ret) { voodoo_manager_finish_request( data->manager, response ); return ret; } VOODOO_PARSER_BEGIN( parser, response ); VOODOO_PARSER_GET_DATA( parser, extents ); VOODOO_PARSER_GET_INT( parser, advance ); VOODOO_PARSER_END( parser ); if (rect) *rect = *extents; if (advance) *ret_advance = advance; voodoo_manager_finish_request( data->manager, response ); return DFB_OK; } static DFBResult IDirectFBFont_Requestor_GetStringBreak( IDirectFBFont *thiz, const char *text, int bytes, int max_width, int *ret_width, int *ret_str_length, const char **ret_next_line ) { DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) return DFB_UNIMPLEMENTED; } static DFBResult IDirectFBFont_Requestor_SetEncoding( IDirectFBFont *thiz, DFBTextEncodingID encoding ) { DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) return DFB_UNIMPLEMENTED; } static DFBResult IDirectFBFont_Requestor_EnumEncodings( IDirectFBFont *thiz, DFBTextEncodingCallback callback, void *ctx ) { DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) return DFB_UNIMPLEMENTED; } static DFBResult IDirectFBFont_Requestor_FindEncoding( IDirectFBFont *thiz, const char *name, DFBTextEncodingID *encoding ) { DIRECT_INTERFACE_GET_DATA(IDirectFBFont_Requestor) return DFB_UNIMPLEMENTED; } /**************************************************************************************************/ static DFBResult Probe() { /* This implementation has to be loaded explicitly. */ return DFB_UNSUPPORTED; } static DFBResult Construct( IDirectFBFont *thiz, VoodooManager *manager, VoodooInstanceID instance, void *arg ) { IDirectFBDataBuffer *buffer = arg; DIRECT_ALLOCATE_INTERFACE_DATA(thiz, IDirectFBFont_Requestor) buffer->AddRef( buffer ); data->ref = 1; data->manager = manager; data->instance = instance; data->buffer = buffer; thiz->AddRef = IDirectFBFont_Requestor_AddRef; thiz->Release = IDirectFBFont_Requestor_Release; thiz->GetAscender = IDirectFBFont_Requestor_GetAscender; thiz->GetDescender = IDirectFBFont_Requestor_GetDescender; thiz->GetHeight = IDirectFBFont_Requestor_GetHeight; thiz->GetMaxAdvance = IDirectFBFont_Requestor_GetMaxAdvance; thiz->GetKerning = IDirectFBFont_Requestor_GetKerning; thiz->GetStringWidth = IDirectFBFont_Requestor_GetStringWidth; thiz->GetStringExtents = IDirectFBFont_Requestor_GetStringExtents; thiz->GetGlyphExtents = IDirectFBFont_Requestor_GetGlyphExtents; thiz->GetStringBreak = IDirectFBFont_Requestor_GetStringBreak; thiz->SetEncoding = IDirectFBFont_Requestor_SetEncoding; thiz->EnumEncodings = IDirectFBFont_Requestor_EnumEncodings; thiz->FindEncoding = IDirectFBFont_Requestor_FindEncoding; return DFB_OK; }