1/* 2 Copyright (C) 2009-2010 ProFUSION embedded systems 3 Copyright (C) 2009-2010 Samsung Electronics 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Library General Public 7 License as published by the Free Software Foundation; either 8 version 2 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public License 16 along with this library; see the file COPYING.LIB. If not, write to 17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 Boston, MA 02110-1301, USA. 19*/ 20 21#include "config.h" 22#include "CairoUtilitiesEfl.h" 23 24#include "RefPtrCairo.h" 25 26namespace WebCore { 27 28EflUniquePtr<Evas_Object> evasObjectFromCairoImageSurface(Evas* canvas, cairo_surface_t* surface) 29{ 30 EINA_SAFETY_ON_NULL_RETURN_VAL(canvas, 0); 31 EINA_SAFETY_ON_NULL_RETURN_VAL(surface, 0); 32 33 cairo_status_t status = cairo_surface_status(surface); 34 if (status != CAIRO_STATUS_SUCCESS) { 35 EINA_LOG_ERR("cairo surface is invalid: %s", cairo_status_to_string(status)); 36 return nullptr; 37 } 38 39 cairo_surface_type_t type = cairo_surface_get_type(surface); 40 if (type != CAIRO_SURFACE_TYPE_IMAGE) { 41 EINA_LOG_ERR("unknown surface type %d, required %d (CAIRO_SURFACE_TYPE_IMAGE).", 42 type, CAIRO_SURFACE_TYPE_IMAGE); 43 return nullptr; 44 } 45 46 cairo_format_t format = cairo_image_surface_get_format(surface); 47 if (format != CAIRO_FORMAT_ARGB32 && format != CAIRO_FORMAT_RGB24) { 48 EINA_LOG_ERR("unknown surface format %d, expected %d or %d.", 49 format, CAIRO_FORMAT_ARGB32, CAIRO_FORMAT_RGB24); 50 return nullptr; 51 } 52 53 int width = cairo_image_surface_get_width(surface); 54 int height = cairo_image_surface_get_height(surface); 55 int stride = cairo_image_surface_get_stride(surface); 56 if (width <= 0 || height <= 0 || stride <= 0) { 57 EINA_LOG_ERR("invalid image size %dx%d, stride=%d", width, height, stride); 58 return nullptr; 59 } 60 61 void* data = cairo_image_surface_get_data(surface); 62 if (!data) { 63 EINA_LOG_ERR("could not get source data."); 64 return nullptr; 65 } 66 67 EflUniquePtr<Evas_Object> image = EflUniquePtr<Evas_Object>(evas_object_image_filled_add(canvas)); 68 if (!image) { 69 EINA_LOG_ERR("could not add image to canvas."); 70 return nullptr; 71 } 72 73 evas_object_image_colorspace_set(image.get(), EVAS_COLORSPACE_ARGB8888); 74 evas_object_image_size_set(image.get(), width, height); 75 evas_object_image_alpha_set(image.get(), format == CAIRO_FORMAT_ARGB32); 76 77 if (evas_object_image_stride_get(image.get()) != stride) { 78 EINA_LOG_ERR("evas' stride %d diverges from cairo's %d.", 79 evas_object_image_stride_get(image.get()), stride); 80 return nullptr; 81 } 82 83 evas_object_image_data_copy_set(image.get(), data); 84 85 return WTF::move(image); 86} 87 88PassRefPtr<cairo_surface_t> createSurfaceForBackingStore(Ecore_Evas* ee) 89{ 90 ASSERT(ee); 91 92 int width; 93 int height; 94 ecore_evas_geometry_get(ee, 0, 0, &width, &height); 95 ASSERT(width > 0 && height > 0); 96 97 unsigned char* buffer = static_cast<unsigned char*>(const_cast<void*>(ecore_evas_buffer_pixels_get(ee))); 98 RefPtr<cairo_surface_t> surface = adoptRef(cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_ARGB32, width, height, width * 4)); 99 100 cairo_status_t status = cairo_surface_status(surface.get()); 101 if (status != CAIRO_STATUS_SUCCESS) { 102 EINA_LOG_ERR("Could not create cairo surface: %s", cairo_status_to_string(status)); 103 return 0; 104 } 105 106 return surface.release(); 107} 108 109PassRefPtr<cairo_surface_t> createSurfaceForImage(Evas_Object* image) 110{ 111 ASSERT(image); 112 113 Evas_Coord width; 114 Evas_Coord height; 115 evas_object_image_size_get(image, &width, &height); 116 ASSERT(width > 0 && height > 0); 117 118 unsigned char* buffer = static_cast<unsigned char*>(const_cast<void*>(evas_object_image_data_get(image, true))); 119 RefPtr<cairo_surface_t> surface = adoptRef(cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_ARGB32, width, height, width * 4)); 120 121 cairo_status_t status = cairo_surface_status(surface.get()); 122 if (status != CAIRO_STATUS_SUCCESS) { 123 EINA_LOG_ERR("Could not create cairo surface: %s", cairo_status_to_string(status)); 124 return 0; 125 } 126 127 return surface.release(); 128} 129 130} 131