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[[ RevPDFPrinter ]] Add Android implementation to revpdfprinter external
This patch extends the revprdprinter external to add support for Android.
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‎livecode.gyp‎

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},
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],
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[
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'OS != "android" and OS != "emscripten"',
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'OS != "emscripten"',
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{
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'dependencies':
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[

‎revpdfprinter/revpdfprinter.gyp‎

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'src/revpdfprinter_w32.cpp',
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'src/revpdfprinter_coretext.mm',
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'src/revpdfprinter_ios.mm',
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'src/revpdfprinter_android.cpp',
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],
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# Even on OSX, we don't use the non-coretext method any more
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],
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},
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],
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[
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'OS == "android"',
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{
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'product_name': 'RevPdfPrinter',
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'product_extension': '',
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'dependencies':
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[
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'../prebuilt/thirdparty.gyp:thirdparty_prebuilt_freetype',
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],
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},
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],
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],
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'xcode_settings':

‎revpdfprinter/src/revpdfprinter_android.cpp‎

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/* Copyright (C) 2018 LiveCode Ltd.
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This file is part of LiveCode.
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LiveCode is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License v3 as published by the Free
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Software Foundation.
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LiveCode is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LiveCode. If not see <http://www.gnu.org/licenses/>. */
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#include "revpdfprinter.h"
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_SIZES_H
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#include <cairo-ft.h>
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#include <time.h>
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static cairo_user_data_key_t s_ft_face_key;
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struct ft_face_user_data_t
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{
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FT_Face face;
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FT_Size size;
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FT_Size old_size;
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};
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static void free_ft_face_func(void* p_face)
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{
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ft_face_user_data_t *t_data;
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t_data = (ft_face_user_data_t*)p_face;
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if (t_data->old_size != nil)
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FT_Activate_Size(t_data->old_size);
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if (t_data->size != nil)
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FT_Done_Size(t_data->size);
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if (t_data->face != nil)
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FT_Done_Face(t_data->face);
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MCMemoryDelete(t_data);
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}
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bool MCPDFPrintingDevice::create_cairo_font_from_custom_printer_font(const MCCustomPrinterFont &p_cp_font, cairo_font_face_t* &r_cairo_font)
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{
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bool t_success;
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t_success = true;
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ft_face_user_data_t *t_user_data;
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t_user_data = nil;
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if (t_success)
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t_success = MCMemoryNew(t_user_data);
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// Get the FreeType face
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if (t_success)
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{
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t_user_data->face = (FT_Face)p_cp_font.handle;
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t_success = t_user_data->face != nil;
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}
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// Retain a reference to the FreeType face
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if (t_success)
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FT_Reference_Face(t_user_data->face);
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// Store the old face size so it can be restored once cairo is finished
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if (t_success)
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{
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t_user_data->old_size = t_user_data->face->size;
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t_success = FT_Err_Ok == FT_New_Size(t_user_data->face, &t_user_data->size);
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}
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if (t_success)
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t_success = FT_Err_Ok == FT_Activate_Size(t_user_data->size);
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if (t_success)
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t_success = FT_Err_Ok == FT_Set_Char_Size(t_user_data->face, p_cp_font.size * 64, 0, 0, 0);
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bool t_free_user_data;
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t_free_user_data = true;
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// We can now create the cairo_font
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cairo_font_face_t *t_font;
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t_font = nil;
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if (t_success)
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{
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t_font = cairo_ft_font_face_create_for_ft_face(t_user_data->face, 0);
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t_success = t_font != nil && (m_status = cairo_font_face_status(t_font)) == CAIRO_STATUS_SUCCESS;
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}
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if (t_success)
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{
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// Finally, add a piece of user data to the font face. This will ensure
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// the FreeType font is restored to its original state and released when
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// the cairo font is destroyed.
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if (cairo_font_face_get_user_data(t_font, &s_ft_face_key) == nil)
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{
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m_status = cairo_font_face_set_user_data(t_font, &s_ft_face_key, t_user_data, free_ft_face_func);
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t_success = m_status == CAIRO_STATUS_SUCCESS;
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if (t_success)
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t_free_user_data = false;
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}
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}
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if (t_free_user_data && t_user_data != nil)
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free_ft_face_func(t_user_data);
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if (t_success)
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r_cairo_font = t_font;
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else
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{
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if (t_font != nil)
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cairo_font_face_destroy(t_font);
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}
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return t_success;
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}
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bool MCPDFPrintingDevice::set_cairo_pdf_datetime_to_now(cairo_pdf_datetime_t &r_datetime)
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{
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time_t t_time;
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tm * t_datetime;
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time ( &t_time );
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t_datetime = gmtime ( &t_time );
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r_datetime.year = t_datetime->tm_year + 1900;
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r_datetime.month = t_datetime->tm_mon + 1;
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r_datetime.day = t_datetime->tm_mday;
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r_datetime.hour = t_datetime->tm_hour;
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r_datetime.minute = t_datetime->tm_min;
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r_datetime.second = t_datetime->tm_sec;
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r_datetime.utc_minute_offset = 0;
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return true;
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}
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// SN-2014-12-23: [[ Bug 14278 ]] Added system-specific to get the path.
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bool MCPDFPrintingDevice::get_filename(const char* p_utf8_path, char *& r_system_path)
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{
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return MCCStringClone(p_utf8_path, r_system_path);
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}

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