24 JpegWriter::JpegWriter() : mInfo(),  in JpegWriter()
56     SetupErrMgr(reinterpret_cast<j_common_ptr>(&mInfo), &mErrorManager);  in setup()
64     jpeg_create_compress(&mInfo);  in setup()
67     int32_t flags = MakeDst(&mInfo, env, out);  in setup()
73     mInfo.image_width = width;  in setup()
74     mInfo.image_height = height;  in setup()
78         mInfo.input_components = 1;  in setup()
79         mInfo.in_color_space = JCS_GRAYSCALE;  in setup()
83         mInfo.input_components = 3;  in setup()
84         mInfo.in_color_space = JCS_RGB;  in setup()
91     jpeg_set_defaults(&mInfo);  in setup()
92     mInfo.density_unit = DEFAULT_DENSITY_UNIT; // JFIF code for pixel size units:  in setup()
94     mInfo.X_density = DEFAULT_X_DENSITY; // Horizontal pixel density  in setup()
95     mInfo.Y_density = DEFAULT_Y_DENSITY; // Vertical pixel density  in setup()
98     jpeg_set_quality(&mInfo, quality, TRUE);  in setup()
105     mScanlineBuf = (JSAMPLE *) (mInfo.mem->alloc_small)(  in setup()
106             reinterpret_cast<j_common_ptr>(&mInfo), JPOOL_PERMANENT,  in setup()
111     jpeg_start_compress(&mInfo, TRUE);  in setup()
133     while (mInfo.next_scanline < mInfo.image_height) {  in write()
153         if (jpeg_write_scanlines(&mInfo, row_pointer, 1) != 1) {  in write()
160     jpeg_finish_compress(&mInfo);  in write()
203     UpdateDstEnv(&mInfo, env);  in updateEnv()
212     CleanDst(&mInfo);  in reset()
214     jpeg_destroy_compress(&mInfo);  in reset()